155results about How to "Expanded surgical field of view" patented technology

The invention relates to the field of medicine, in particular to an augmented reality operation navigation system for reconstructing anterior cruciate ligament. The system is constituted by augmentedreality glasses, operation navigation software for reconstructing the anterior cruciate ligament, binocular vision, labeling needles, femur joint labels, tibia joint labels, a computer and vision tracking software, wherein the operation navigation software, the binocular vision, labeling needles, femur joint labels, tibia joint labels and the computer are installed on the augmented reality glasses, and the vision tracking software is installed on the computer. Before an operation, diagnosis image CT data and MRI data are subjected to image fusing and division processing, three-dimensional reconstruction is conducted, and a reconstructed three-dimensional model is subjected to pre-operation planning; in the operation, the labeling needles are adopted to collect knee joint dissection joints,the collected knee joint dissection joints and the pre-operation knee joint model are rectified, and according to labeling of the tibia and femur, the knee joint three-dimensional model and a planning path are displayed in real time in the augmented reality glasses. According to the augmented reality operation navigation system for reconstructing the anterior cruciate ligament, precise locating of the starting point and the ending point of the anterior cruciate ligament can be achieved, the problem that an existing endoscope technique operation is narrow in vision is solved, and the operationrisks are effectively lowered.

A system is disclosed for cannulating the vena cava of a patient during cardiopulmonary bypass procedures. Such cannulation is necessary for drainage of venous blood from the patient so that it may be oxygenated and pumped back to the patient to perfuse tissues during cardiac surgery and, more specifically, during periods of ischemic cardiac arrest or dysfunction. The device of the present invention not only provides venous drainage for cardiopulmonary bypass, but also performs the function of routing cardioplegic solution through the heart in the retrograde direction. Such cardioplegia provides protection to the heart during periods of ischemic cardiac arrest. This invention replaces a plurality of cannulae currently used for open-heart surgery, thus simplifying the surgical field and improving visibility of the heart. The device allows for the delivery of retrograde cardioplegia to the coronary circulation of both the right and the left side of the heart. The device further includes protection mechanisms to prevent overinflation or excessive pressurization of the right atrium during retrograde delivery of cardioplegia solution.

A laparoscope lens washing-drying device comprises a sleeve, a washing tube, a drying component, a connecting piece and a handle, wherein the nominal dimensions of the inner diameter of the sleeve and the outer diameter of the laparoscope are the same and the sleeve and the laparoscope are in movable fit, two through holes used for mounting the washing tube and the drying component are arranged in the wall of the sleeve, an arc groove is arranged at the rear end of the sleeve, a flushing liquor outlet is arranged on the side wall at the front end of the flushing tube, a flushing liquor control switch is arranged on the side wall at the rear end of the flushing tube, the drying component is a pipe fitting provided with a water sucking sponge, an opening for introducing the flushing liquor into the water sucking sponge is arranged on the side wall at the front end of the pipe fitting, the front end of the flushing tube is inserted in the through hole for mounting the flushing tube on the wall of the sleeve, the front end of the pipe fitting provided with the water sucking sponge is inserted in the through hole for mounting the drying component on the wall of the sleeve, one end of the connecting piece is connected with the rear end part section of the flushing tube, the other end of the connecting piece is connected with the rear end part section of the pipe fitting provided with the water sucking sponge, and the handle is arranged on the connecting piece.

The invention relates to a novel surgical instrument with multiple sections being bendable after adjusting. The novel surgical instrument comprises a functional instrument component, an instrument shaft and a control handle, wherein the instrument shaft comprises an outer pipe, a functional instrument control piece, a bending adjusting controlling wire and a bending angle regulating unit; the control handle further comprises a bending adjusting operating piece; the near end of the bending angle regulating unit or the near end of the outer pipe is fixedly connected with the bending adjusting operating piece; the bending angle regulating unit is provided with one or more fixing bending angle sections; parts adjacent to the fixing bending angle sections are straight sections; the outer pipe is provided with one or more bendable sections; parts adjacent to the bendable sections are rigid straight sections; when the bending adjusting operating piece is operated, the outer pipe and the bending angle regulating unit take relative displacement; when the fixing bending angle sections enter the bendable sections, the bendable sections are driven to be changed in angles; when the fixing bending angle sections enter the rigid straight sections, the bendable sections are driven to be straightened. The novel surgical instrument with multiple sections being bendable after adjusting is simple and reasonable in structure and can be bent at multiple sections, straight insertion and extraction are realized, mutual collision and interference among instruments can be reduced, and the operation is convenient.

The invention relates to a multifunctional abdomen retractor which comprises a cross piece (1), a supporting rod (2), a rack type amplitude changing rod (3), a rocking bar (5) and a hook plate (6). The supporting rod (2) can be positioned in the cross piece (1) in a liftable manner through a stopper bolt; the rack type amplitude changing rod (3) is mounted on a universal base (12); and the hook plate (6) is hooked at the end part of the rack type amplitude changing rod (3). The multifunctional abdomen retractor is characterized in that a convex plate (13) is connected to the lower part of the universal base (12) and is pivotally mounted on a pin shaft (15) at the upper end of a connector (14); the lower end of the connector (14) is inserted and mounted in an inserting hole at the upper part of the supporting rod (2) and can be rotationally positioned in the inserting hole through an elastic bolt (4) and an annular groove (16) at the lower part of the connector (14); a supporting rod sleeve (7) is also mounted on the supporting rod (2) at the lower part of the connector (14); an L-shaped curved rod (8) is mounted on the supporting rod sleeve (7); a fastening device (9) is mounted on the curved rod (8); and a long handle hook plate (10) is tightly fixed in the fastening device (9). The invention has simple structure and large traction and can finish the traction of abdomens on any position, thereby obtaining ideal operation field.

The invention discloses one-time double-clamp cutting-off clamping forceps which comprise double-clamp structures, double-chuck mechanisms, clamping transmission mechanisms, cutting-off blade and cutting-off transmission mechanisms, rotation mechanisms and fixing handle mechanisms. The one-time double-clamp cutting-off clamping forceps have the advantages that two ends, with certain lengths, of each blood vessel can be accurately fixed and can be simultaneously fastened and closed, and each blood vessel with the two fastened and closed ends can be cut off from the middle; the blood vessels can be prevented from being excessively ligatured or cut, and accordingly injury on healthy tissues of human bodies can be obviously reduced; the blood vessels are fastened and cut off by the same instrument at one step, and procedures in which a surgeon extends ligature forceps into a human body at first, fastens and close two ends of a blood vessel, takes the ligature forceps out of the human body, extends a cutting-off appliance into the human body and cuts off the blood vessel can be omitted; the surgical speeds can be obviously effectively increased, and the surgical risks can be reduced; ligature clips are plastic clips with self-locking inverted fasteners, are firm and reliable and can be prevented from falling off; the ligature clips made of recyclable materials can automatically decompose in the human bodies within 6-8 months.

The invention discloses a non-contact positioning auxiliary device used for the minimally invasive intracranial hematoma cleaning operation. The non-contact positioning auxiliary device comprises a fixed rack, a right-angle connecting rod, a right-angle connecting rod fixing shaft, a height adjusting device, a horizontal telescopic boom, a vertical telescopic boom, a vertical-direction laser alignment device and a horizontal-direction laser alignment device, wherein the far end of the horizontal telescopic boom is provided with the vertical-direction laser alignment device, the vertical-direction sector-shaped laser face emitted by the vertical-direction laser alignment device is vertical to the long shaft of the horizontal telescopic boom, a light source points to the downward direction, and a guiding datum line mark is provided; the far end of the vertical telescopic boom is provided with the horizontal-direction laser alignment device, the sector-shaped laser face emitted by the horizontal-direction laser alignment device can rotate along the optical axis of the laser through a rotation adjusting mechanism, and the sector-shaped laser face emitted by the horizontal-direction laser alignment device is enabled to be always vertical to the vertical-direction sector-shaped laser face through the right-angle-shaped adjusting booms. According to the non-contact positioning auxiliary device, the non-frame cantilever laser alignment guide technology is adopted, therefore, the puncture needle is accurately guided continuously during the operation; the non-contact design increases the visual operative field, and thus the steric hindrance in the puncture process is avoided.

The invention provides a set of instruments for anterior thoracic and lumbar vertebra surgery, comprising a long-handle drag hook I, a long-handle periosteum detacher II, a long-handle osteotome III, a long-handle curet IV and a long-handle endplate curet V; the long-handle drag hook I comprises a drag hook point 1, a head section 2, a body section 3, a back end circular hole 4; the long-handle periosteum detacher II comprises an obtuse head section 5, a body section 6 and a handle 7; the long-handle osteotome comprises a flat osteotome head 8, a body section 9 and a back end 10; the long-handle curet IV comprises an obtuse curet head 11 with hook, a body 12 and a conical handle 13; the long-handle endplate curet V comprises a hollow curet head 14 with elliptic structure, a body section 15 and a handle 16. The invention has advantages of reasonable design, easy manufacture process, and low cost. By using the instruments of the invention, smaller surgical incision, improved surgery range of vision, optimized operative procedure, reduced surgery difficulty, reduced hemorrhage in surgery and shortened surgery time can be obtained.

A large-channel percutaneous spinal endoscope suitable for a microsurgical fusion cage includes a working sheath assembly and an endoscope. A channel portion of the endoscope includes an instrument channel, water inlet channels, an imaging optical channel and lighting optical channels, wherein the central axis of the instrument channel and the central axis of an outer working pipe coincide, and afusion cage assembly is inserted in the body cavity through the instrument channel; the water inlet channels are disposed on the left side and the right side of the upper portion of the instrument channel; the imaging optical channel is disposed under the instrument channel, an imaging optical system is integrated in the imaging optical channel, and the imaging optical channel extends into an endoscope body; the lighting optical channels are distributed on the left side and the right side of the imaging optical channel in a surrounding mode, and the lighting optical channels extend into the endoscope body and are full of densely-arranged lighting optical fibers. The outer working pipe of the endoscope can be inserted in a working sleeve pipe of the working sheath assembly; after the fusioncage and a regulating tool are assembled and inserted, the endoscope rotates with the fusion cage with the axis and the regulating tool as the fixed axis, and the implantation conditions of the fusion cage can be observed in a maximum surgical field of vision. The implantation accuracy is improved.

The invention relates to a distracter applied to a renal transplantation operation. The distracter is provided with two handles, two distraction arms, two blocking pieces and a locking piece, wherein one end of each distraction arm is connected with the corresponding handle, and the other end of each distraction arm is connected with the corresponding blocking piece; the two distraction arms are hinged through a first hinging shaft; each blocking piece is provided with an upper blocking piece and a lower blocking piece; the upper blocking pieces are shaped into horizontal surfaces; the lower edges of the lower blocking pieces are overturned to the outer sides; sliding chutes are formed in the outer lateral surfaces of the lower blocking pieces, and first sliding teeth are arranged on the two sidewalls of the sliding chutes; the blocking pieces are regulated to be embedded into the sliding chutes through second sliding teeth on the two sides of the blocking pieces, and can move in the sliding chutes; the distraction arms are movably connected with the blocking pieces through second hinging shafts. The distracter is adjustable in distraction depth, and can be applied to fat and thin patients, and the operation field is fully exposed; the blocking pieces can rotate, so that the distracter is higher in flexibility; the locking piece is firmer; the whole distracter has the advantages of high practicability, simple structure and convenience in operate, and is suitable for clinical popularization and application.

The invention provides a flexible surgery terminal module. The flexible surgery terminal module comprises a flexible arm and a bending driving mechanism, wherein the bending driving mechanism is used for driving the flexible arm to bend to an assigned direction; and the flexible arm comprises a plurality of bending control rings, a corrugated pipe and a sleeve. The invention also provides a throat minimally invasive surgery flexible robot. The throat minimally invasive surgery flexible robot comprises a linear motion module, a rotation motion module, the flexible surgery terminal module and a surgery instrument channel module. Through the adoption of the flexible surgery terminal module disclosed by the invention, through the cooperation of the flexible surgery terminal module, the linear motion module and the rotation motion module, the surgery view field is enlarged, the edge nidus region can be exposed, the problems that visual sense blind areas and operation blind areas exist in a conventional surgery on larynx are solved, the surgery quality is improved, and the surgery operation precision is improved; and through a multichannel design in the surgery instrument channel module, the replacement and the disinfection of flexible surgery instruments are convenient, so that complicated surgery requirements can be met.

Innovative instrument holders used for minimally invasive surgical simulation and training are disclosed when used in conjunction with a smartphone, tablet or mini-tablet computer enabling visualization of the surgical field. The surgical field used with these instrument holders can include animal models, physical models, and both virtual and augmented reality models. Some embodiments can be used with applications that can be downloaded to the smartphone, tablet or mini-tablet computer in order to enhance specific hand-eye coordination tasks. Some embodiments can be used as an adjunct surgical trainer for endoscopy, colonoscopy, and other minimally invasive gastrointestinal and gynecological surgical procedures using surgical instruments that incorporate fiber optics.

A system is disclosed for cannulating the vena cava of a patient during cardiopulmonary bypass procedures. Such cannulation is necessary for drainage of venous blood from the patient so that it may be oxygenated and pumped back to the patient to perfuse tissues during cardiac surgery and, more specifically, during periods of ischemic cardiac arrest or dysfunction. The device of the present invention not only provides venous drainage for cardiopulmonary bypass, but also performs the function of routing cardioplegic solution through the heart in the retrograde direction. Such cardioplegia provides protection to the heart during periods of ischemic cardiac arrest. This invention replaces a plurality of cannulae currently used for open-heart surgery, thus simplifying the surgical field and improving visibility of the heart. The device allows for the delivery of retrograde cardioplegia to the coronary circulation of both the right and the left side of the heart. The device further includes protection mechanisms to prevent overinflation or excessive pressurization of the right atrium during retrograde delivery of cardioplegia solution.

An ultrasound osteotome system comprises a control plate, a handle, a high frequency power source, a liquid feeding system and a liquid discharging system, wherein the high frequency power source, the liquid feeding system and the liquid discharging system are connected with the handle respectively. The control plate is used for communicating the handle with the high frequency power source, the liquid feeding system and the liquid discharging system respectively. An ultrasonic transducer connected with the high frequency power source, an amplitude changing rod connected with the ultrasonic transducer and a detachable osteotome knife arranged at the front end of the handle are arranged in the handle. The ultrasound osteotome system is fast in cutting, neat in a wound surface edge and favorable for recovery of tissues. The ultrasound osteotome system can effectively improve cutting efficiency and effects of the knife, has a remarkable cleaning effect on bacteria contaminating wound, promotes the wound to heal fast, and improves medical treatment effect.

The invention provides a hollow vector support multifunctional protection device for a minimally invasive surgery, which can be applied to minimally invasive surgeries of the oral cavity, pharynx andthroat, digestive tract, respiratory tract, thoracic cavity, abdominal cavity and other cavities. A flap on a protective head of the protection device can be used for protecting an operation area by adjusting an opening degree through an axial movement mechanism of an inner cylinder, and the size of the operation area can be freely adjusted; and the protective head can also be rotated outwards through a pitching mechanism of the protective head to increase an operation visual field, so that vector adjustment of the protective head and the flap is achieved, and the direction, force and size ofthe protective head and the flap can be adjusted as required. The hollow vector support multifunctional protection device is also provided with a gas fluid transfusion and delivery passage and an illumination device on the flap, so that the integration of multiple functions of illumination, flushing, drug administration, cleaning, disinfection, hemostasis, provision of support channels for surgical tools such as a laser scalpel and the like is achieved; and by covering the part between the protective head and a shell and / or between a plurality of flaps with an elastic membrane and the like, the wound of the operation area is reduced.

The invention discloses a skin caring shadowless lamp, and relates to the technical field of shadowless lamps. The skin caring shadowless lamp comprises a base, rollers, a pedal component, a height adjusting component, a main lighting lamp component and auxiliary lighting lamp components. The skin caring shadowless lamp has the beneficial effects that a surgical region is lighted from the directions of the top and the two sides by the skin caring shadowless lamp, so that a surgical lighting range is increased and the surgical visual field range is increased; the overall lighting brightness canbe improved; the brightness can be adjusted; in a surgical operation, the position of the device can be adjusted only by feet, so that the phenomenon of cross contamination is avoided. Four rollers are arranged; the bottom surface of the base is uniformly and rotatably connected with the four rollers in a surrounding manner; the pedal component is fixedly connected to the front end of the base; the two ends of the pedal component are in engaged transmission connection with the two ends of the base; the lower end of the height adjusting component is fixedly connected with the base; the upper end of the height adjusting component is fixedly connected with a main lighting lamp component; two auxiliary lighting lamp components are arranged; the two auxiliary lighting lamp components are symmetrically connected to the left end and the right end of the main lighting lamp component in a sliding manner.

The invention relates to a holeless fornixscope. The holeless fornixscope comprises a puncture channel tube and clamp tubes arranged in puncture channel tube and is characterized in that a spring clamp is arranged in each clamp tube, the spring clamp comprises a clamp end, a connecting rod connected with the clamping end, a handle connected with the connecting rod and a pull wire, the clamp end isa spring piece which is made of an elastic material and bent into a C shape, a first pull wire hole is arranged in the spring piece along the length direction, the connecting rod is provided with a second pull wire hole communicated with the first pull wire hole, the handle is provided with a pull wire adjusting mechanism, one end of the pull wire is fixed in the free end of the spring piece, andthe other end of the pull wire penetrates the first pull wire hole and the second pull wire hole and is fixed to the pull wire fixing mechanism. The holeless fornixscope has the advantages that lesion position finding efficiency is increased greatly, the clamping strength of a lesion position or a to-be-treated position can be precisely controlled, and the degree and chance that a body is hurt bythe clamping are reduced to the maximum extent.

The invention discloses a clinical head-mounted surgical auxiliary device for the gynecology department. The device comprises a medical helmet, a binding device is installed on the side face of the medical helmet, and a power supply and an open source single chip microcomputer are installed at the top of the medical helmet separately; a wireless transceiver is installed at the top of the open source single chip microcomputer, and a first angle adjustment device is installed at the front side of the open source single chip microcomputer. The clinical head-mounted surgical auxiliary device for the gynecology department is diverse in function, surgical illumination can be conducted, the surgical visual field can be enlarged through a medical surgical magnifying lens, and the effect of surgical treatment is greatly improved; through the first angle adjustment device and a second angle adjustment device, the working angles of the medical surgical magnifying lens and a medical illuminating lamp are adjusted, the device is good in flexibility and convenient to adjust, and different surgical requirements can be met; through a pupillary distance adjustment device, the working spacing of themedical surgical magnifying lens is adjusted, and the device is high in adaptive capacity and conveniently adapts to different medical personnel.

The invention relates to a medical appliance, in particular to a parallel surgical spreader which comprises parallel handles, pulleys, sliding chutes, stretching handles, a rotating shaft, an annular holder and clamp handles, wherein the two parallel handles which are parallel to each other are positioned at the left and right sides of an X-shaped frame formed by the two stretching handles, and the pulleys at the end parts of the two stretching handles are respectively positioned in the sliding chute of the parallel handle on the same side and can freely slide along the sliding chute. The pulleys at the lower ends of the two stretching handles are respectively connected with one end of the two clamp handles and are in rotating movable fit, the shaft is arranged at the intersection of the two clamp handles, and the two clamp handles are connected with the shaft and are in rotating movable fit with the shaft. The invention realizes that the incision can be pulled under the condition that the parallel handles are parallel to each other, thereby greatly widening the surgical field and improving the surgical quality compared with the prior art.

The invention discloses a control system and method for intelligently regulating an operating lamp, which relate to the field of medical equipment control, the method comprising the following steps: 1. a position acquisition module dynamically captures a doctor position change and a patient operation position change, and sends the captured data to an MCU control module; 2. the MCU control module receives and processes the data from the position acquisition module, and sends the adjustment instruction to the stepping motor driver according to the processing result; 3. a stepping motor driver receives the adjustment instruction from the MCU control module and sends the movement instruction to the corresponding stepping motor according to the adjustment instruction; 4. a stepper motor receives the motion instruction from the stepper motor driver and executes the specified action to complete the adjustment of the operating lamp. The invention sends the collected data to the MCU control module through the position acquisition module, adjusts the position of the stepping motor through the MCU, and avoids manual adjustment of the operation lamp through precise light irradiation, reduces the workload and the operation time, and improves the work efficiency.

The invention provides a periodontal flap surgical drag hook, relates to a periodontal surgical drag hook and aims to solve the problem of surgery inconvenience because the conventional surgical drag hook cannot be operated by a surgeon individually and an assistant is necessary. Two inner side walls of a tooth fixing clamp are provided with a rubber cushion respectively; a fastening screw is in threaded connection with one rubber cushion and the tooth fixing clamp from outside to inside in turn; an adjusting shell is arranged on the upper end face of a tooth fixing device; an adjusting rack is inserted into the adjusting shell; a pressure spring is inserted into a revolving shaft; the revolving shaft is arranged on the upper end face of the adjusting shell through a bracket; one end of the pressure spring is suspended, and the other end of the pressure spring passes through an adjusting post and is clamped on the adjusting rack; a connecting hook is arranged at the right end of the adjusting rack; and one end of each rubber ring is hooked on the connecting hook of a distance adjusting device, and the other end of each rubber ring is hooked on a corresponding tissue hook. The drag hook is particularly suitable for a palate side mucosal flap surgery with poor vision exposure.

The invention discloses an operation repositor having an external endoscope and being used for left displacement of abomasum of cows. The operation repository comprises a high-pressure air source, a suture line, a reset needle, and a propelling device. The propelling device is externally provided with a portable endoscope. The outer edge of the propelling device is smooth. The propelling device comprises a propelling unit, an air supply unit which is on the tail part of the propelling unit and is connected with the propelling unit, and a needle storage bin which can hold the reset needle. Theair supply unit comprises a gas pipe and a connector. The head of the needle storage bin is provided with a needle outlet hole for the reset needle to pass through. The needle storage bin is providedwith a line leading groove on the needle outlet hole. The propelling unit comprises a main cylinder, an air cylinder, a piston, a piston rod, and a buffer cushion. The tail part of the air cylinder isout of the main cylinder and is connected with the connector of the air supply unit. The piston rod passes through a guide pipe which is arranged on the bottom of the main cylinder and enters the needle storage bin. The tail part of the reset needle is fixed on the head of the piston rod. The gas pipe is connected with the high-pressure air source. The gas pipe can be flexibly bended, and reducescompression on visceral organs, and reduces operation time.

The invention discloses an anorectal anastomat. The anorectal anastomat comprises a handle seat, a transmission assembly, a percussion assembly and an osculating assembly, wherein the transmission assembly comprises a screw rod arranged in the handle seat and an adjusting mechanism which is arranged at the tail end of the handle seat and connected with the tail end of the screw rod; a nail abutting seat is fixedly mounted at the front end of the screw rod; the percussion assembly comprises a movable handle arranged on the handle seat and a straight push rod arranged on the screw rod in a sleeving manner; and the osculating assembly comprises a nail pushing piece, a nail bin sleeve, a nail bin and an annular knife. The nail pushing piece and the nail bin sleeve adopt triangular support structures, so that the pull-out gap of excised tissue during an operation is increased, and the operation space and the operation view are greatly increased; and meanwhile, the nail pushing piece, the nail bin sleeve and the nail bin are made of metal materials, the rigidity of parts is good, deformation in the operation process is avoided, the anorectal anastomat is convenient to use, and the operation quality is greatly improved.

The invention discloses a breastbone drag hook. The breastbone drag hook comprises a base, an electric telescopic rod, a horizontal rod and drag hooks, wherein the lower end part of the electric telescopic rod is vertically fixed to the base, and a rotating shaft and a supporting plate are arranged at the upper end of the electric telescopic rod; an inserting hole which is inserted into the rotating shaft is formed in one end of the horizontal rod; the bottom of the horizontal rod is supported by the supporting plate; the drag hooks are connected with the horizontal rod; each drag hook comprises a connecting rod and a drawing claw; each drawing claw is mounted on the corresponding connecting rod, and is used for drawing the breastbone of a human body; a sterile disposable sleeve sleeves each drawing claw; and a plurality of gas storing bags which can be cut by a scalpel are arranged on the surface which is in contact with the breastbone of the human body, of the sleeve. According to the breastbone drag hook disclosed by the invention, during an operation, the gas storing bags which are pressed on blood vessels or nerves are cut by the scalpel, so that a sunken part is formed in thelocation of the breastbone drag hook, the situation that the blood vessels or the nerves are pressed is avoided; the horizontal rod does not cross an operating table, and the telescopic rod is also not arranged on the standing side of a doctor, so that the operation view field is greatly enlarged; and materials of components including the telescopic rod, the horizontal rod, the drawing claws andthe like can resist high temperature, so that the high-temperature sterilization condition of operation instruments is met, and the risk of operation infection is reduced.

The invention discloses an oral cavity drag hook system and a using method thereof. The oral cavity drag hook system comprises an oral cavity drag hook device, a soft palate drag hook device and a pharyngeal back wall soft tissue opening device, wherein the oral cavity drag hook device comprises a tongue pressing component, a first adjusting part and an upper tooth opening component; the tongue pressing component and the upper tooth opening component are both connected with the first adjusting part, and the first adjusting part adjusts the tongue pressing component and the upper tooth openingcomponent to expand the lower jaw and the upper jaw; the pharyngeal back wall soft tissue opening device is positioned above the oral cavity drag hook device and comprises two soft tissue opening components and a second adjusting part connected with the two soft tissue opening components, wherein the second adjusting part adjusts the two soft tissue opening components to distract the pharyngeal back wall soft tissue; the soft palate drag hook device is positioned between the two soft tissue opening components, and the oral cavity drag hook system is easier to dilate the oral cavity, so that the back wall of the oral cavity pharynx is shown in front of an operator as much as possible, thereby maintaining a good and stable operation visual field, and meeting the requirements of the operator.

The invention relates to a flexible laparoscope actuator based on a serial elastic element and continuum configuration, and belongs to the technical field of robots. The flexible laparoscope actuator comprises a driving mechanism, a flexible cable guiding mechanism and a lens component, wherein the driving mechanism comprises four straight line motors, four flexible cables and four pre-tightening mechanisms; the flexible cable guiding mechanism comprises a hollow pipe and a flexible continuum; four flexible cables penetrate through the hollow pipe to be connected with the flexible continuum; the lens component is fixedly installed on the end part of the flexible continuum; the driving mechanism is in charge of pre-tightening and stretching four flexible cables; the flexible cable guiding mechanism is in charge of guiding the flexible cables to the lens component; and the four flexible cables enable the flexible continuum to be bent in any direction in the space through cooperative stretching so as to meet the requirement that the lens component constantly captures pictures. Through regulation of the tensioning degree of the flexible cables, the rigidity of the flexible continuum is changed, and the bending average angular velocity of the continuum is about 5.7rad / s so as to completely meet real-time requirements in a surgical process.

The invention relates to the technical field of medical apparatuses, in particular to a spreading mechanism for tissue during a spinal operation of the orthopedic department. The spreading mechanism comprises a first support plate, a second support plate, conveying tubes and a threaded push rod; support arms are hinged to the two ends of the first support plate, push-pull rods are hinged to the two ends of the second support plate, the other ends of the push-pull rods are hinged to the front ends of strip-shaped through grooves, and spreading arms are installed at the front ends of spreading rods; through holes are formed in the bottom of each spreading arm, several uniformly-spaced annular bodies are further arranged at the bottom of each spreading arm, the free ends of the conveying tubes are exposed, and the other ends of the conveying tubes penetrate through the front ends of the support arms, and stretch into the through holes in the bottoms in the spreading arms from the interiors of adjusting rods. According to the spreading mechanism, the spreading state of an incision at a spine can be kept for a long time without looseness simply through an integrated tool, after spreading, the operation view is great, specially-assigned persons for implementation are not needed, and a doctor can implement the operation by himself / herself; meanwhile, hydrops in the incision can be effectively sucked in real time, the operation is simplified, and the safety is improved.

The invention relates to an adaptive puncture outfit. The adaptive puncture outfit comprises a sleeve which is axially provided with a puncture hole and a puncture awl which arranged in the puncture hole of the sleeve in a penetrating mode and can motion axially relative to the sleeve, the sleeve is composed of a sleeve head and a sleeve body, the sleeve body comprises a straight-pipe-shaped connecting part connected to the sleeve head and a bending part which is of a petal-shaped structure and can be separated and bend outwards, and the bending part is composed of multiple pipe petals which are distributed in a circumference mode with a sleeve axial lead as a center; the inner walls of the pipe petals are provided with dovetail guide grooves, the dovetail guide grooves are internally provided with coil springs, and the periphery of the puncture awl is provided with multiple dovetail guide rails which are coordinated with the dovetail guide grooves of each pipe petal in a one-to-one correspondence mode and are used for fitting the pipe petals on the puncture awl. In the adaptive puncture outfit, the bendable sleeve of a petal-shaped structure is adopted, the sleeve is fixed on skin tissue, and besides, the adaptive puncture outfit can adapt to the thickness degree of different types of enterocoelia skin tissue of different patients, is simple in structure and convenient to use.

The invention relates to the field of medical products, and aims to provide a puncture set and a heating device applicable to the puncture set. The heating device applicable to the puncture set comprises a heat source, a driving device, an air heating device and a solid heating device, wherein the driving device is used for driving the heat source to emit heat, the air heating device and the solid heating device are used for heating an endoscope, one end of the air heating device is connected with an air inlet of an outer sheath, the other end of the air heating device is connected with an inner cavity of the outer sheath, and the solid heating device comprises a contact part for contacting with the endoscope. The endoscope can be heated by the heating device without inserting the endoscope into the outer sheath or extracting the endoscope from the outer sheath, generation of fog shielding operation fields is avoided, and operation efficiency is improved.