73results about How to "Surgical vision is clear" patented technology

The invention relates to a medical surgical clamp matched with an endoscope, in particular to a visible surgical clamp with an endoscope sheath used for taking the intrauterine device out from the uterus. The existing visible surgical clamp is used in the birth control surgery, for example in the surgery to take the intrauterine device out from the uterus with the endoscope. Due to the easy bleeding of the endometrium tissue, the lens of the endoscope is easily contaminated to dim the surgery view, and the device is inserted in and taken out repeatedly for flashing, therefore the surgery time is prolonged and the operation is complicated. After the improvement, the groove formed after the side by side arrangement of the endoscope sheath and the drive rod is also fixed with two flush pipes 15 and 17, wherein the open of one flush pipe faces the open of the endoscope sheath 10, and the open of the other flush pipe faces a clamp head 6. A surgical cannula is provided, and the water nozzle on the surgical cannula is communicated with a negative pressure source to absorb and remove the water of flushing. The improved surgical clamp provides clear surgery view, has compact integral structure and convenient operation, and can shorten the surgery time.

The invention relates to a preparation method and a refining method of medical hemostatic polysaccharide starch. With pretreated potato starch as a raw material and epichlorohydrin as a crosslinking agent, a microsphere adopting a three-dimensional network structure is synthesized by an emulsifying and crosslinking technology. The medical hemostatic polysaccharide starch is high in biocompatibility; the medical hemostatic polysaccharide starch is full with wrinkles on the surface, so that the particle surface area is increased, the water absorbing rate is significantly improved and the hemostatic time is greatly reduced; the medical hemostatic polysaccharide starch is especially applicable to large-area blood seepage, deep bleeding, and bleeding at a part difficult to reach by operative procedures.

The invention provides an anti-plugging multifunctional surgical aspirator, which comprises a handle (1) and an aspiration washing head (2), and is characterized in that: a negative pressure passageway (3) and a washing passageway (4) are arranged in the aspiration washing head (2); the negative pressure passageway (3) is communicated with a negative pressure generating device through a negative pressure aspirating interface (5); the washing passageway (4) is communicated with the output end of a washing water inlet passageway (7) on the handle (1) through a washing passageway switchover interface (6); the washing passageway switchover interface (6) is rotatably arranged in one end, close to the handle (1), of the aspiration washing head (2); and a flow guide passageway (8) which is respectively communicated with the washing passageway (4) and the negative pressure passageway (3) by rotation so as to enter the normal washing procedure or dredge the negative pressure passageway (3). The anti-plugging multifunctional surgical aspirator can be used for washing, is capable of preventing plugging, has simple structure and is convenient to use.

The invention relates to a fusion instrument under a mirror, in particular to a distractable fusion cage with the adjustable middle bone grafting height. The distractable fusion cage comprises a supporting platform, a support and an adjusting assembly, adopts an internal hollow and external hollow design, has a large bone grafting space and facilitates bone grafting, so that the stability of the lumbar vertebra can be better established and maintained after the fusion cage is implanted, the parallel distracting function of the fusion cage main body can be achieved, the lifting height is increased, the distractable fusion cage adapts to the heights of intervertebral spaces of different segments, the application range is wide, and the overall cost is low.

The invention discloses a multipurpose laser endoscope, which comprises an endoscope channel, an optical fiber-electrode common channel and a front handle body with a handle, wherein the endoscope channel and the optical fiber-electrode common channel are fixedly connected; the outer parts of the endoscope channel and the optical fiber-electrode common channel are fixedly provided with the front handle body; the front handle body is provided with an elastic sealing mechanism communicated with the optical fiber-electrode common channel; the endoscope channel on the rear end of the front handle body is provided with a sliding support; the sliding support is provided with an electrode locking button, an optical fiber locking button, an optical fiber leading hole and an optical fiber leading channel communicated with the optical fiber leading hole; the sliding support is connected with a rear handle body; the endoscope channel is connected with an endoscope interface after passing through the sliding support; the endoscope is provided with an endoscope adapter substitute. According to the endoscope, the assemblies of other different brands of endoscopes can be used in order to realize a purpose that the endoscopes can be mutually replaced, the functions of a resectoscope and the endoscope are realized by the optical fiber-electrode common channel and an energy platform interface, and the multipurpose laser endoscope is suitable for different optical fibers and electrodes.

A high-frequency electrosurgical station applicable to surgeries and worthy of popularization is a special high-power high frequency generator. The high-frequency electrosurgical station generates high frequency current of specific frequency, waveform and load power curves; the high frequency current directly acts on the surface of biological tissues and centrally heats the tissues to volatilize tissue elements, and accordingly physical effects such as cutting and hemostasis are achieved. Through high-frequency power output by a main unit of the high-frequency electrosurgical station and jaw pressure of vessel forceps, collagen and fibrous protein in human tissues fuse and degenerate, walls of blood vessels fuse into a transparent tape, and permanent luminal closure is achieved. In open surgery or endoscopic surgery, a vessel closure cutting system can be given to full play for any vein, artery or tissue-bundle, smaller than 7mm in diameter, and closing or cutting is safer, faster or more convenient. The above advantages are hardly found in ultracision harmonic scalpels and bipolar coagulation. The high-frequency electrosurgical station has the functions of unipolar incision, unipolar coagulation, bipolar coagulation, bipolar incision, large vessel close-cutting and the like and is a necessity for operating rooms in future.

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.

The invention discloses a multifunctional cutting and sucking knife for an endoscope. The multifunctional cutting and sucking knife combines an aspirator and an electrotome into a whole. When the surface of a wound has a bleeding phenomenon, the surface of the wound can be rinsed and sucked in time, tool replacement is not needed, therefore, operation time is saved, and the amount of bleeding is reduced. The multifunctional cutting and sucking knife comprises the electrotome and a suction pipeline, wherein the front end of the suction pipeline is provided with an opening in a beveling mode. One end of the electrotome extends from the opening by 2-3mm. The other of the electrotome is connected to a power supply through an electrode wire. The width of the electrotome is equal to the inner diameter of the suction pipeline. The rear end of the suction pipeline is provided with a suction opening and a water inlet. The suction opening is connected with a suction device, and the water inlet is connected with a rinsing device. The suction device is controlled by a suction button on the suction pipeline, and the rinsing device is controlled by a rinsing button on the suction pipeline. All mist generated by the electrotome falls in a suction region of the suction pipeline.

The invention discloses a lumen flusher. The lumen flusher comprises a bottle splicing needle and a liquid outlet unit, wherein the bottle splicing needle comprises a needle head for splicing a flushing liquid bottle, a needle base which is connected at the tail end of the needle head and an output tube which is arranged at the tail end of the needle base; the needle head and the needle base are cavity structures; the cavities are connected with the output tube in a penetration mode; a liquid outlet joint is arranged at the tail end of the output tube; the liquid outlet unit is connected with the liquid outlet joint in a matched mode through a liquid inlet joint arranged at an end opening of the liquid outlet unit; the liquid flows into the liquid outlet unit through the bottle splicing needle; the liquid outlet unit is further provided with a liquid outlet for the liquid to flow out. According to the scheme adopted by the invention, the flusher is stable in flow; the liquid outlet flow can be controlled by virtue of frequency of pressing a pushing rod; the liquid outlet flow is great when the pushing rod is quickly pressed, and the liquid outlet flow is small when the pushing rod is slowly pushed. The flusher disclosed by the invention is stable in liquid flow; and the liquid outlet flow can be controlled by virtue of frequency of pressing the pushing rod; the liquid outlet flow is great when the pushing rod is quickly pressed, and the liquid outlet flow is small when the pushing rod is slowly pushed.

The invention discloses a bone-grafting height-adjustable opening-type fusion cage. The bone-grafting height-adjustable opening-type fusion cage comprises a support, a sliding block and a supporting platform, wherein the first slant grooves are formed in the two sides of the back surface of the front end of the support, a positioning square groove is formed in top of the back end of the support, aguiding hole is formed in the back end in the horizontal direction, and a slant groove rail is arranged on the inner side face of the support; the sliding block is arranged on the front of the back end in the support, second slant grooves are formed in the two sides of the front end of the sliding block, the sliding block is in threaded connection with the back through a threaded rod, a limitinggroove corresponding to the positioning square groove is formed in a rod head of the threaded rod, and limiting plates are clamped into the limiting groove and the positioning square groove through the rod head of the threaded rod and are locked and connected with the support; the supporting platform comprises an upper supporting platform body and a lower supporting platform body, and the slidingblock moves for driving the upper supporting platform body and the lower supporting platform body to slide along the slant groove rail, the first slant grooves and the second slant grooves to achieveopening movement and closing movement of the supporting platform. The bone-grafting height-adjustable opening-type fusion cage is high in stability, and can adapt to adjustment of intervertebral spaceheights of different segments.

The invention relates to a method for precise registration and coincidence of a preoperative CT or nuclear magnetic image and a corresponding focus in an operation. The method is used for assisting planning and implementation of a clinical operation. The method comprises the following steps: acquiring a point cloud of a preoperative CT image or a nuclear magnetic image as a target point cloud; acquiring a point cloud of a focus area of a patient in an operation as an integral point cloud; acquiring a feature region overlapped with the target point cloud from the overall point cloud; adopting a super-4PCS algorithm to carry out registration on the target point cloud and the overall point cloud with the overlapped areas, and obtaining point cloud coordinates of the focus area of the patient in the operation, wherein the point cloud coordinates are space coordinates when the point cloud of the focus area of the patient in the operation and the point cloud of the preoperative CT image or the nuclear magnetic image are registered and coincide. According to the method, the registration precision problem of the three-dimensional model of the non-rigid organs and tissues of the patient and the focus area of the patient in the real operation environment is mainly solved, a doctor can quickly and accurately find the organ corresponding to the three-dimensional model of the patient during the operation, and the three-dimensional model is accurately matched with the organ.

The invention relates to a shadow-less incision protector. The shadow-less incision protector comprises an outer clamping ring, a channel, an inner clamping ring and an illumination lamp. The outer clamping ring is arranged on one side of the channel, and the inner clamping ring is arranged on the other side of the channel. The channel is made of a silica gel material or a PU material. The inner clamping ring comprises an upper protruding edge portion, a lower protruding edge portion and a concave portion. The upper protruding edge portion is connected to one side of the concave portion, and the lower protruding edge portion is connected to the other side of the concave portion. The illumination lamp is arranged on the inner surface of the concave portion. The shadow-less incision protector has the advantages that the shadow-less incision protector can provide illumination, a surgical field is not affected and the surgical operation difficulty is reduced while a surgical incision is protected, the surgical operation field under the shadow-less incision protector can be clearer, the surgical safety is remarkably improved, and surgical related complications are decreased. The shadow-less incision protector can become a special medial instrument product and has a wide application prospect in clinic popularization.

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 discloses an incision protector having a smoke discharge function. The incision protector comprises an upper locating ring, a lower locating ring, a protecting membrane and a smoke discharge system. The smoke discharge system comprises a smoke inlet, a smoke discharge passage and a negative-pressure connecting port. The smoke discharge passage of the smoke discharge system moves downwards along the edge of the upper locating ring, fits to the edge of the protecting membrane and reaches the lower locating ring; and the smoke inlet is arranged on or nearby the lower locating ring.Smoke, which is generated from operations, enters the smoke discharge system via the smoke inlet and is sucked out of a body from the negative-pressure connecting port along the smoke discharge passage, so that interference of smoke to a thoracoscope is avoided and a clear operative field is guaranteed in an operating process; and a good protecting effect can be achieved on patients and doctors, so that the operating process becomes more convenient and safer.

The invention discloses a single-port thoracoscope incision separation fixator which comprises an incision retraction fixator and an incision separation fixing clamp retainer. The incision separation fixing clamp retainer is connected with an outer clamp ring of the incision retraction fixator through a buckle. The incision retraction fixator comprises an inner elastic clamp ring, an outer elastic clamp ring and a connecting pipeline which are integrated. The incision separation fixing clamp retainer is connected with the outer clamp ring of the incision retraction fixator to divide the space of an incision into two operation ducts. The single-port thoracoscope incision separation fixator has the advantages that by arranging the incision retraction fixator and the incision separation fixing clamp retainer, the single-port thoracoscope incision separation fixator has the effects of a single-port thoracoscope surgery operation platform; furthermore, the single-port thoracoscope incision separation fixator is convenient to use and practical, and single-port thoracoscope operation can be achieved.

A microwound fusion device used between servical pyramids is a barrel body made of memory NiTi alloy, which has many holes, an open slot, several barrier bosses at its one end, and an end cover at its another end. After it is shrunk at low temp, an endoscope is used to put it in the gap between two servical pyramides. After its temp is restored, it can restore to original size.

The invention relates to a single-port laparoscopic instrument system for V-NOTES surgery, including an elastic connector, an air bag, a surgical instrument passages, and a fixture. The elastic connector is provided with a tubular elastic connector body, and the proximal end of the elastic connector body is connected with a connecting sleeve; the airbag comprises an elliptical annular airbag bodyand an inflatable tube; the surgical instrument channel comprises a channel body and a handle; In the used state, the airbag body is inclined in the elastic connector body, and the proximal end of theinflatable tube extends from the connecting sleeve and is fixedly sealed by the fixing member; The channel body is inserted into the connecting sleeve and fixed and sealed by a fixing piece; The airbag body inflates and expands to support the elastic connector body; The elastic connector is also inflated. The device system of the invention has the advantages of simple structure, low cost, firm fixation, flexible operation and good stability, and creates conditions for the improvement of V-NOTES surgery.

The invention relates to a ureteroscope urinary bladder pressure reducing device. The pressure reducing device comprises an outer sheath and an inner core; the inner core is arranged in the outer sheath; the far end of the inner core extends out of the outer sheath; the near end of the inner core is clamped on the end portion of the outer sheath; a telescopic device is arranged at the far end of the outer sheath; a base is arranged at the near end of the outer sheath; a side pipe is arranged on the base; a regulator is connected to the side pipe; a clamping groove is formed in the regulator; the two ends of the telescopic device are closed up towards the middle to form a protrusion when the telescopic device is in a contraction state; the outline face of the protrusion is an arc-shaped face. The ureteroscope urinary bladder pressure reducing device has the advantages that the pressure reducing of the urinary bladder is achieved through the modes that liquid in the urinary bladder is released through the outer sheath, and meanwhile the opening and the closing of a liquid outlet is controlled through the regulator, repeat mirror returning is not needed, and the facts that the pressure in the urinary bladder is too high or the injure of the urinary bladder occurs caused by the continuous increase of the liquid in the urinary bladder are avoided; the inner core controls the contraction and the recovery of the telescopic device, the operation is simple, and the minimally invasive injure is small; the inner core is arranged in the outer sheath in a penetrating mode before and after an operation, dredging and guiding functions are achieved, and the outer sheath can be prevented from being blocked.

The invention discloses an automatic flow control method of a perfusion suction system. The perfusion suction system comprises a main control unit, a perfusion device, a suction device, an endoscope sheath and a cavity pressure sensor, wherein a perfusion flow sensor is arranged on a hose of the perfusion device, and a suction flow sensor is provided on a suction tube of the suction device. The automatic flow control method comprises the following steps: S1, presetting at least intracavity pressure, intracavity volume, perfusion flow, suction flow and suction pressure, and then starting to work; S2, at the beginning, the perfusion device starts to work, liquid enters a cavity of a patient through the endoscope sheath, at this time, the suction device does not work, and when one of the intracavity pressure and the intracavity volume reaches the set value, the suction device starts to work; and S3, when one of the intracavity pressure and the intracavity volume reaches the set value, thesuction flow and the perfusion flow automatically enter a synchronous state, namely the suction flow and the perfusion flow are equal. The perfusion flow and the suction flow are in a dynamic adjustment process, the liquid is always flowing, and operation safety is ensured.

The invention discloses a far-end drainage device for an operation electrode and an operation electrode instrument. The operation electrode instrument is internally provided with an infusion channel.The far-end drainage device for the operation electrode comprises a guide pipe, a fixing sleeve, and a drainage pipe. The guide pipe is used for installing the electrode part of the operation electrode instrument, and the far-end part of the guide pipe is used for fixedly connecting with an electrode tip of the electrode part. The fixing sleeve sleeves the periphery of the guide pipe. The near-endpart of the drainage pipe is fixedly connected to the fixing sleeve. The far-end part of the drainage pipe is positioned at the periphery of the guide pipe. The far-end drainage device for the operation electrode is capable of enabling the outlet for flowing out liquid to be completely consistent with the electrode excitation area of the electrode tip, and has the characteristics of more accuratetarget positioning, convenient assembly, simple technology and good universality. The size of the drainage device can be regulated according to the size of the electrode tip and the guide pipe, and is not limited by the position of the liquid outlet. The processing cost is remarkably reduced, and the device is suitable for any types of the operation electrode instruments.

The invention mainly relates to a surgical instrument, that is, a TaTMEtransanal operation platform, for a middle and low rectal tumor by using a TaTME surgical resection. The platform includes an anal tube region inner ring, an anal tube region inflation portion, a poke card channel and an anal tube region outer ring; the anal tube region inner ring and the anal tube region outer ring are both inwardly recessed; the anal tube region inner ring and the anal tube region outer ring are both made of plastic silicone material, and the anal tube region inflation portion is made of plastic siliconematerial, and the middle waist is slightly depressed at a minimum diameter of 3.5cm; 3 poke card channels are fixedly arranged on the inside of the anal tube region inflation portion, and the inner and outer openings of the channel are respectively located in the anal tube region inner ring and the anal tube region outer ring; except the poke card channel, the anal tube region inflation portion isall inflatable spaces, which can be expanded under external air pressure to expand the anal canal; a three-way switch is arranged on the anal canal area outer ring, and the anal tube region inflationportion can be inflated after externally connecting a pneumoperitoneum. The TaTMEtransanal operation platform has simple structure and easy operation, and can provide a convenient operation platformand a clear surgical field for the surgeon in the TaTME operation mode, and is convenient for the operator to operate from the bottom to the top through the anus.

The invention relates to the technical field of medical instruments, in particular to an endoscope lens anti-fog device and an endoscope. The device comprises an air blowing pipe, which sleeves the outer side of an outer pipe of the endoscope; an air blowing cavity is formed between the air blowing pipe and the outer pipe; and air blown out of the air blowing cavity faces the front end of the outer pipe. Air blown out of the air blowing cavity can prevent steam, fat particles, human tissue and the like from getting close to the lens, so that image blurring caused by steam, fat particles, humantissue and the like condensed at the lens is avoided. Due to the arrangement of the anti-fog device, the normal use of the endoscope is effectively ensured; the operation visual field is clear; the operation accuracy of an operator is improved; the case that a doctor needs to pull the endoscope out of the body for many times to wipe the lens due to fogging, dirt and the like of the endoscope lensand then needs to insert the endoscope into the body again to search for an operation part again is avoided, thus saving the operation time is saved and smoothing the operation.

The invention discloses a nerve microvessel pressure relief gasket imbedding device which comprises a pushing-in body and a shell arranged on the pushing-in body in a sleeving mode. The shell is provided with a cylindrical separation portion section with the open front end. A channel allowing the gasket to pass therein is formed in the separation portion section. The pushing-in body is arranged to slide in the channel relative to the separation portion section till the front end face of the pushing-in body reaches the front end face of the separation portion section. On the one hand, the device can achieve the effect of a stripping device for separating nerves and vessels; on the other hand, the device can be used for imbedding the gasket. Accordingly, in operation, medical staff can completely operate the imbedding device with one hand, the nerves and vessels are separated, and the gasket is imbedded, so that the other hand is free to be used for using a sucker to suck cerebrospinal fluid, it is always ensured that the operation visual field is clear, operation apparatuses are prevented from being replaced frequently under a microscope, the operation time is shortened, and the pains of a patient are relieved.

The invention relates to the technical field of medical instruments, in particular to a lengthened water flushing and water sucking dissection stick for a laparoscopic operation. The lengthened water flushing and water sucking dissection stick comprises a hollow stick body, a handle end fixed to the rear end of the stick body, an operation end fixed to the front end of the stick body and multiple through holes formed in the operation end. A water flushing end is arranged at the rear end of the handle end, and a water sucking end is arranged on one side of the handle end. The water flushing and water sucking dissection stick can accurately conduct flushing, sucking, dissecting, exposing and other operations through the through holes, the water flushing end and the water sucking end, subsidiary injuries caused in the inspection process are reduced, hematocele and hydrops can be removed in a sucked mode at any time, the operation field can be kept clear, operation quality is improved, instruments do not need to be replaced frequently by getting in and out of the abdominal cavity, and a lateral hole is formed in a single side of the operation end, so that the problem that the operation is affected due to the facts that air in the abdominal cavity is lost and abdominal pressure is made to reduce can be solved. The lengthened water flushing and water sucking dissection stick is simple in structure, high in controllability, economical and practical.

The invention discloses a minimally invasive scalpel for general surgery. The scalpel comprises a handle, an illumination switch and a micro pump switch are arranged at one end of the front side of the outer surface of the handle, a connecting seat is arranged at the right end of the handle, an inserting groove is formed in the connecting seat, a blade is clamped in the inserting groove, a hollowgroove is formed in the blade, small holes are formed in the front side face and rear side face of the blade, the small holes are communicated with the hollow groove, a connecting groove is formed inthe handle, the connecting groove is communicated with the hollow groove, a miniature pump is arranged at the left end of the handle, the input end of the miniature pump is electrically connected withthe output end of a miniature pump switch, the inlet end of the miniature pump is communicated with the connecting groove, and the outlet end of the miniature pump is connected with a liquid drainagepipe. The scalpel has the advantages of convenient dismantling, blood in an incision can be timely cleaned to make medical workers obtain clear surgical operation views conveniently, illumination canbe provided, an anesthesia syringe and the scalpel are combined, and convenience is brought for use.

The invention provides a multifunctional visible soft tissue dissection apparatus, which is mainly composed of a dissection apparatus handle, an electric coagulation (knife) path, an optical fiber path, a push-push structure and a visible mirror, wherein the electric coagulation (knife) path and the optical fiber path are arranged in the dissection apparatus handle; and the visible mirror is provided with a power switch and a display screen and is rotatable and detachable. According to the dissection apparatus provided by the invention, the dissection apparatus handle and the electric coagulation (knife) device are combined with a light guide device, so that an operative field can be clearly observed fully; therefore, a blind operation is turned into a visible operation, dissection layersbecome precise, a dissection range becomes clear, tissue injury is relieved, complete hemostasis is guaranteed and complications during and after an operation are reduced and relieved. With the application of the device (the dissection apparatus) provided by the invention, an entire operating process is minimally invasive and convenient. The dissection apparatus is integrated with an endoscope into a whole body, so that expenses on apparatuses are reduced, operating difficulty is reduced and complications during and after the operation are relieved. The dissection apparatus provided by the invention is reasonable in design and broad in application scope, and the dissection apparatus is applicable to various subjects and fields. The dissection apparatus is suitable for all surgical operations that soft tissue dissection is conducted.

The invention relates to an incision retracting fixator applicable to single-pore thoracoscopic surgery. The incision retracting fixator has two kinds of structures A and B and comprises an elastic pipeline, an oval elastic pipeline is embedded in the circular elastic pipeline, the oval pipeline and the elastic pipeline are integrated, and two ends of an acute point of the oval elastic pipeline embedded in the circular elastic pipeline are closely embedded with circular elastic the pipeline. The circular elastic pipeline is an elastic waist-drum-shaped cylinder, and the oval elastic pipeline is embedded in the pipeline and is arranged in the middle to form three channels or at the edge to form two channels. During surgical operation, a thoracoscope and an operation instrument can pass the same incision, and compared with conventional thoracoscopic surgery, the single-pore thoracoscopic surgery performed with the incision retracting fixator has the advantages that two incisions can be reduced and surgical operation is more minimally invasive and has the remarkable advantages in reducing postoperative incision pain and paresthesia of the thoracic wall and accelerating postoperative recovery and the like, and for those patients with poor cardio-pulmonary function, operation risk is reduced.