461 results about "Thoracic surgery department" patented technology

Methods and apparatus for a surgical retractor include a ring, a plurality of flexible straps connected to the ring, a patch of hook or loop material connected to each strap, a coordinating patch of hook or loop material connectable to the patient's skin or the surgical drape. The flexible straps of the surgical retractor may be frangibly connected together. LEDs molded into the distal end create a light source to illuminate the surgical site. The ring may take several forms including a flexible or adjustable ring and an inflatable bladder. The ring of the surgical retractor is inserted into the surgical incision, a patch of loop fastener is attached to the patient, a set of straps connected to the ring are pulled outward and the hook portion is applied to the loop portion to hold the incision open. The retractor is useable for thoracic and other types of surgery.

The invention relates to a biocompatible bleed-stopping and bone healing promoting material and a preparation method thereof. The material is applied to the bone surface or bone section of a human body or an animal, and is characterized in that the biocompatible bleed-stopping and bone healing promoting material is modified starch prepared by modifying natural starch serving as a raw material, and comprises one or more than two of modified starch granules, modified starch sponges, modified starch films, modified starch foams or modified starch glues, wherein the molecular weight of the modified starch is 15,000 to 10,000,000, and the water absorption rate is 1 to 100 times; in the natural starch serving as the raw material, the content of the amylopectin is at least no less than 70 percent of the total amount of the raw material. The invention fulfills the aim of stopping bleeding through direct spraying, daubing and pasting the biocompatible bleed-stopping and bone healing promoting material to touch the bone bleeding surface of wound; meanwhile, the biocompatible bleed-stopping and bone healing promoting material has a function of promoting bone healing, and can be used in the bleed stopping in the sternotomy of Cardio-Thoracic Surgery, spinal surgeries and joint surgeries of orthopedics department, Craniotomy and maxillo-facial surgery and the bleed stopping in the process of trauma care.

The invention discloses a porous calc silicate bioceramic material, a preparation method and application. The porous bioceramic material comprises the following components in an oxide form in percentage by weight: 44 to 52 percent of CaO, 47 to 54 percent of SiO2, 0 to 3.0 percent of B2O3, 0 to 3.4 percent of ZnO and 0.2 to 4.8 percent of MgO, wherein the content of B2O3 and ZnO is not simultaneously 0; the ratio of the content of MgO and the content sum of B2O3 and ZnO is 1:(0.2-5). The preparation method comprises the following steps: preparing boron, zinc and magnesium-containing calc silicate superfine powder by using a wet-chemical method and a sol-gel method, preparing a porous material of which the shape is consistent with that of a skeleton of each part of a human body and the pore passage size is 80 to 800[mu]m by using a three-dimensional printing technology, and performing high-temperature sintering treatment. The material can be applied to the bone defect repair and bone regeneration medicine of the department of orthopedics, department of stomatology, plastic surgery, maxillofacial surgery, thoracic surgery department or ophthalmology department.

The invention discloses a postoperative exercise device for the thoracic surgery department. On the basis of the design, the problems that an existing postoperative rehabilitation exercise device forthe thoracic surgery is single in exercise mode to prolong the recovery period of the patient, only upper limbs or lower limbs can be exercised, some upper limb exercises similar to chest expanding exercises cannot be carried out, and the patient needs to lie still on the bed at the early stage after operation and the back is compressed frequently to cause non-circulation of blood and pressure sores and thus the pain of a patient is increased invisibly are solved. The postoperative exercise device comprises a base; the right side of the upper end of the base is fixedly connected with a supporting frame; a movable box capable of sliding up and down is arranged in the supporting frame; two rotatable massage boxes are arranged in the movable box; a cylindrical cam capable of synchronously rotating along with the corresponding massage box is arranged on the right side of each massage box; a fixed rod is correspondingly provided with the rear side of each cylindrical cam in a matching mode,a movable rod is fixedly connected to the left side of each cylindrical cam, four massage rods are evenly hinged to the left side of each movable rod, and a massage ball is fixedly connected to the left end of each massage rod.

The invention discloses a thoracic anti-blocking drainage apparatus for thoracic surgery. The drainage apparatus comprises an accommodating box and a drainage tube, wherein an air pressure sensor is fixed to the upper side of the inner wall of the accommodating cavity (the accommodating box); a negative-pressure pump is fixed to the upper surface of the accommodating cavity; an air intake end of the negative-pressure pump communicates with one end of an air intake tube, and the other end of the air intake tube runs through and extends to the interior of the accommodating box; a holding box is fixedly arranged on the left side face of the accommodating cavity; a single chip, an electrical control switch and a storage battery are fixedly arranged in the holding box sequentially from top to bottom; a liquid inlet of the accommodating cavity communicates with a liquid outlet cavity of the drainage tube by virtue of a liquid guide tube; a check valve is arranged on the liquid guide tube; the single chip is electrically connected to the electrical control switch, the storage battery and the air pressure sensor; a fixing plate and an airbag cooperate for use, so that a tube body, which stretches into a human body, is prevented from shaking due to movement of an external apparatus, and pain in a patient is prevented; and the interior of the tube body is divided into two areas, namely a liquid inlet cavity and the liquid outlet cavity, so that human body infection caused by waste solutions is prevented and medical safety is guaranteed.

The invention relates to a high-efficiency bio gel sealant and application thereof, which consists of main gel lyophilized powder, catalyst lyophilized powder, main gel cytolysate and catalyst cytolysate; during use, the main gel lyophilized powder is dissolved in the main gel cytolysate and the catalyst lyophilized powder is dissolved in the catalyst cytolysate, which are respectively absorbed in an aseptic injector of a double-cavity liquid pusher; the two solution are evenly mixed by the conehead of the double-cavity liquid pusher, and then sprayed on the wounds after surgery and bleeding, so as to form a semi-transparent ivory film; the invention also discloses a method of preparing all components of the high-efficiency bio gel sealant, including preparation of the main gel lyophilized powder, the catalyst lyophilized powder, etc. with pig blood as the raw material; the product of the invention is an absorbable bio gel combination which can be used immediately for blood stopping, sealing and adhesion of tissues, and is widely applicable in surgery fields, such as general surgery, orthopedics, cardiothoracic surgery, neurosurgery, obstetrics and gynaecology, etc.

The invention discloses a respiratory exercise device for a chronic obstructive pulmonary disease. By means of the design, the problems that an existing postoperative rehabilitation exercise device for the thoracic surgery cannot synchronously exercise the upper limbs and the lower limbs of a patient at the same time, after the exercise is finished, the exercise device occupies a large space, theback knocking operation cannot be performed on the back of the exercised patient, sputum coughed by the patient cannot be collected, and the heavy peculiar smell is caused in a ward are solved. The device includes a base, a turnover cover plate is hinged to a front end of the base, a rear side of an upper end of the cover plate is fixedly connected with an upper box body, two handles capable of moving up and down in a reciprocating manner are arranged at a rear end of the upper box body, a lower end of the cover plate is fixedly connected with a lower box body, a rear end of the lower box bodyis slidably connected with two pedals capable of moving up and down along with the handles and moving left and right in a reciprocating mode, an upper end of the base is slidably connected with a sitting plate capable of being folded into the base along with backward overturning of the cover plate, and a rear end in the base is provided with a collecting barrel capable of being overturned backwards along with the cover plate and extending backwards.

The invention relates to the technology of biological material in the field of biomedical engineering, specifically a preparation technology for bioactive bone-repairing cement material, which is suitable for medical application in the fields of orthopaedics department, thoracic surgery department and reconstructive surgery, such as artificial joint fixation, bone defect filling and implant restoration. The invention relates to a new material which is a combination of powder and liquid with bioactivity for bone repairing and is characterized in that the combination comprises a powder component including homopolymerization powder of methyl methacrylate or copolymerization powder of methyl methacrylate, and a sosoloid powder doped with strontium hydroxyapatite capable of being hardened and solidified to form solid substance with a certain mechanical intensity and synostosis activity when mixed with the liquid component. The main component of the liquid includes methyl methacrylate monomer, which can form bioactive bone-repairing cement when mixed with the powder component. Compared with the prior art, the material can further increase osteoconduction and osteoconduction activity of the combination, and accelerate healing of bone defect part; thus, the material is suitable for orthopaedics department and craniomaxillofacial plastic repair.

The invention discloses a surgical rehabilitation nursing bed for thoracic surgery department. The nursing bed comprises a bed body, wherein a going-through groove is arranged in the middle of the interior of a fixed boss; one end of three groups of electric telescopic rods, which are distributed by equal spacing, is connected to one side of the interior of the going-through groove; protective plates are connected to the other ends of the electric telescopic rods; more than four groups of connecting bosses, which are distributed by equal spacing, are arranged at two sides of the bed body; sliding shafts are arranged between the connecting bosses; sliding plates, which are uniformly distributed by equal spacing, are arranged in the middles of sliding shafts; U-shaped supporting rods are arranged at the upper sides of the sliding plates; baffle cloth is arranged in the middles of the U-shaped supporting rods; the U-shaped supporting rods, which are driven along with the moving of the sliding plates, are moved along the axial lines of the sliding shafts, so that the baffle cloth is driven to cover the upper side of a patient without contact with the body of the patient; therefore, theproblem that incision pain due to compression can be caused easily when the body is covered by bedding or clothing can be solved; and via a wireless caller, the patient can be helped conveniently, and medical personnel can conduct treatment conveniently.

A surgical port for use during a thoracic surgery includes a first port element and a second port element. The first port element includes a first sidewall and a first flange that is positioned adjacent a proximal portion of the first sidewall. The first flange extends in a laterally outward direction. The second port element includes a second sidewall and a second flange that is positioned adjacent a distal portion of the second sidewall. The second flange extends in a laterally outward direction. The first port element is configured to securely couple to the second port element and each of the first and second sidewalls defines a passageway to allow a surgical instrument to pass therethrough.

The invention relates to the technical field of auxiliary instruments for the thoracic surgery department, in particular to a three-point locating type craniocerebral operation locating device. The device comprises a head fixing device used for fixing the head and a fixing installing assembly used for installing the head fixing device. According to the three-point locating type craniocerebral operation locating device, two clamping plates and a fixing belt fix the three surfaces of the head, three-point head fixing is achieved, and the head fixing effect is improved; the reactive force generated from bending of a clamping strip can make the clamping strip tightly fit the surface of the head, the head fixing effect is further improved, and the clamping stability of the head fixing device isimproved; a supporting rod pushes a connecting piece to shift integrally, the integral position of an adjusting box is adjusted, and an installing rod rotates in a rotation groove to adjust the integral angle of a connecting block; an internal threaded cylinder rotates in a swivel to adjust the inclining angle of a connecting base, the installing angle of the adjusting box is adjusted, and multi-angle installment is convenient.

The invention discloses novel flushing and suction apparatus for a thoracic surgery. The novel flushing and suction apparatus comprises a base, a flushing and suction cylinder, a water tank, a collection box, a water suction pipe, and a water flushing pipe, wherein an inner cavity of the flushing and suction cylinder is connected with a piston in a slide manner, the piston is driven to lift by anelectric cylinder, a top plate of the flushing and suction cylinder is fixedly connected with a water inlet pipe and a water outlet pipe in a left and right symmetry manner, and a bottom plate of theflushing and suction cylinder is fixedly connected with a water discharge pipe and a water pump pipe in a left and right symmetry manner. The beneficial effect of the novel flushing and suction apparatus is as follows: when the apparatus is used, the electric cylinder drives the piston to reciprocate up and down, when the piston rises, an effusion is sucked through the water suction pipe, and thewater flushing pipe performs flushing, and when the piston descends, the effusion is discharged through the water discharge pipe, and water is supplied through the water inlet pipe. Through the apparatus, the synchronous carrying-out of flushing and water-pumping is realized, the flushing and suction time of a surgical site during the thoracic surgery is greatly accelerated, and thereby the surgery process is accelerated.

The invention discloses a clinical operation positioning device used in a general surgery department and relates to the field of medical instruments. Aiming at the problems that in conventional thoracic surgery department operation, the expansion precision is uncontrollable, the positioning is not accurate, the working intensity is high, and the working efficiency is low as an operation wound needs to be tracked and expanded by a medical operator manually, the invention discloses a scheme that the device comprises a bed, wherein U-shaped moving bases which are transversely arranged are mountedon both the left edge and the right edge of one end of the bed in a sliding manner, the two U-shaped moving bases slide in the length direction of the bed, guide blocks are fixedly mounted on inner side walls of the tops of the U-shaped moving bases, vertical support rods are rotationally connected with upper sides of the U-shaped moving bases, angle adjusting devices are arranged between the support rods and the U-shaped moving bases. By adopting the device, traction positions, precision and angles of hooks upon an operation wound can be adjusted according to practical situations, the deviceis applicable to traction and positioning of wounds in different positions of chests of different patients, the working intensity of medical operators is alleviated, in addition, the device is simpleto operate and high in working efficiency.

The invention discloses a drainage device special for the thoracic surgery department. The device comprises a drainage tube and a negative-pressure instrument, a silica gel liquid suction head is arranged at the front end of the drainage tube, and a plurality of liquid suction holes are formed in the silica gel liquid suction head; the negative-pressure instrument is connected with the back end ofthe drainage tube, a hemispherical protrusion is arranged in the middle of the drainage tube, and a liquid outlet is formed in the portion between the hemispherical protrusion and the drainage tube;a connection flange is arranged on the outer side of the liquid outlet, a liquid connection bag is communicated with the connection flange through a connection tube, and a first one-way valve is arranged in an inner cavity of a connection tube; a liquid inlet is further formed in the outer wall of the drainage tube, a disinfectant storage tank which is arranged on the outer wall of the negative-pressure instrument is communicated with the liquid inlet through a liquid outlet tube, and a second one-way valve is arranged on the liquid outlet tube. The drainage device special for the thoracic surgery department is simple in structure and principle, drainage on accumulated liquid of the thoracic cavity can be achieved, meanwhile, the drainage tube can also be quickly washed and sterilized, thedrainage tube does not need to be disassembled to be cleaned, and the working intensity of medical personnel is reduced.

The invention provides a method and system for generating a longitudinal lymph node segmentation model, and relates to the technical field of medical image processing, and the method comprises the steps: obtaining lung CT images of a plurality of thoracic surgery patients, carrying out the three-dimensional reconstruction of each lung CT image, and obtaining a three-dimensional image; respectivelycarrying out three-dimensional segmentation on each three-dimensional image to obtain a three-dimensional marked image marked with a real longitudinal lymph node lesion area; grouping the three-dimensional annotation images to obtain a training set, a test set and a correction set; training the training set to obtain a diaphragm lymph node segmentation model; inputting the test set into a longitudinal lymph node segmentation model to obtain a corresponding segmentation image, and calculating the segmentation accuracy of the longitudinal lymph node segmentation model; if the segmentation accuracy is smaller than an accuracy threshold, enabling the correction set to correct the diaphragm lymph node segmentation model; and if the segmentation accuracy is not less than the accuracy threshold,storing the diaphragm lymph node segmentation model. The accuracy of longitudinal lymph node segmentation is effectively improved, manual intervention is not needed, and the practicability is high.

The invention discloses a flushing device for clinical surgeries of thoracic surgery department. The flushing device comprises a bottom plate; a flushing device body and a water tank on one side of the flushing device body are fixedly mounted at the top of the bottom plate; a high-pressure flushing pump is fixedly mounted at the top of the water tank; and a water pipe is fixedly mounted at the input end of the high-pressure flushing pump. The flushing device for the clinical surgeries of the thoracic surgery department is capable of flushing a plurality of thoracoscopes at once, thereby savingthe time and improving the flushing efficiency; through the synchronous rolling of two adjacent rollers, the thoracoscopes can roll in an interval groove for flushing, so that a sprayer is capable offlushing the whole bodies of the thoracoscopes, thereby avoiding the trouble that the users need to handheld the thoracoscopes to flush the whole bodies of the thoracoscopes, liberating the hands ofthe users, making the flushing efficiency higher, avoiding the condition that the hands crossly infect the thoracoscopes and satisfying the using demands of the users.

The invention relates to the technical field of medical equipment, in particular to a nursing stretcher bed for the thoracic surgery department. Supporting legs are fixedly connected to four lower corners of a supporting plate, universal wheels are in rotational connection with lower ends of the four supporting legs respectively, and a supporting column is fixedly connected to the upper end of thesupporting plate. An internal threaded sleeve is rotationally connected to the supporting plate through a mounted bearing, an external threaded rod is in threaded connection in the internal threadedsleeve, and the upper end of the external threaded rod is semispherical. A stretcher can be taken down for single use to make it convenient to perform first aid on a patient. In a treatment process, when the patient needs to be transferred to another place, a right handle is pulled outwards to drive a clamping component to separate from a bed board, and nursing personnel can directly lift the stretcher without moving the patient, so that troubles in operation, time consumption, labor consumption and condition exacerbation caused by secondary injuries to the patient are avoided, work difficultyis lowered for the nursing personnel, an convenience in nursing is achieved.

The invention discloses a drainage nursing device for the thoracic surgery department. The drainage nursing device comprises a bed frame, a telescopic frame, a motor and a motor timer, wherein the bedframe is provided with a bottle rack, the upper side of the bed frame is fixedly welded with a bed board, the bed board is fixedly provided with a protection plate, the front end of the bed board ishinged with a backrest, the front side of the backrest is provided with a second sliding groove, the second sliding groove is provided with a back pillow through a second sliding block, the front endside face of the bed frame is provided with a tube clamp, the left side of the tube clamp is provided with a cam, the cam is arranged on the motor, the motor is fixedly arranged on the bed board, andthe bed board is fixedly provided with the motor timer. The drainage nursing device for the thoracic surgery department has the advantages that an exercise device is arranged to selectively exercise the legs to reduce the numbness of limbs, a moving device is arranged and used for moving the hip of a drainage patient to promote the blood circulation, and the tube clamp of the cam structure is arranged to squeeze a drainage tube regularly to avoid the blockage of the drainage tube caused by blood clotting.

The invention discloses a puncture device for the thoracic surgery department. The puncture device comprises a needle body, an injection hole formed in the needle body and a liquid suction cavity formed in the needle body; a liquid suction tube is arranged in the liquid suction cavity, the needle body is provided with a fixing plate, and the fixing plate is provided with a liquid suction connecting head connected with the liquid suction tube; the needle body is provided with an injection mechanism, the injection mechanism comprises a syringe connected with the needle body, the syringe is provided with a liquid suction syringe, and the liquid suction syringe is connected with the liquid suction connecting head. The puncture device can be used for conducting puncture and sucking liquid in one time and injecting medicine, one person can operate the device, and the injection and liquid suction effects are good.

The invention relates to the technical field of a lung protecting device for thoracic surgery department, and provides a lung protecting device for thoracic surgery department. The lung protecting device comprises an arc-shaped housing, wherein a placing groove is formed in the inner concave side of the arc-shaped housing from front to rear; guiding grooves communicate with the left side and rightside of the placing groove; the lung protecting device is mounted on the arc-shaped housing through the pacing groove; each regulating mechanism on the arc-shaped housing comprises a groove which isformed inwards from the side surface of the arc-shaped housing; a reel which penetrates through the arc-shaped housing is arranged between the upper surface and the lower surface of each groove; a sleeve with external threads is fixedly connected to the top surface of the arc-shaped housing; a rotating knob is fixedly connected to the lower end of each reel; a plurality of fastening belts are coiled onto each reel; velcro tapes are arranged on the corresponding fastening belts on the left side and the right side; fixing belts each of which is arranged at the same position of the correspondingguiding groove are arranged on the inner concave side of the arc-shaped housing in a bilateral symmetry manner; and velcro tapes are arranged between the rear side surface of the arc-shaped housing and the fixing belts. According to the lung protecting device disclosed by the invention, mounting and disassembling of the lung protecting device body are convenient, and the lung protecting device isconvenient to replace for a patient in time; and besides, the length of the fastening belts can be regulated, and the lung protecting device is suitable for obese crowds.

The invention discloses a thoracic surgery department cavity scopic surgical instrument taking and storing device including an overturning mechanism, a storing mechanism and a sterilizing mechanism. The storing mechanism is composed of a storage box, self-locking wheels, a box door, a lifting partition plate, a sliding partition plate, a first electric telescopic rod, a connecting plate, a transmission box, a lifting driving motor, a driving sliding block, a driving screw rod, a travel switch, a storage battery, a fixed partition plate and a lifting sliding rod. Through arrangement of the lifting driving motor and the driving sliding block, the position of the lifting partition plate is flexibly adjusted, and placement of devices at different heights on the bottom of the storage box is facilitated; moreover, under the flexible adjustment of the lifting partition plate, the devices at the bottom layer of the storage box are convenient to take; through arrangement of the first electric telescopic rod, the sliding partition plate is convenient to push out, and tools are convenient to place and store; through arrangement of the overturning driving motor and a driven gear, a first overturning plate and a second overturning plate are convenient to adjust, and surgical instruments can be opened and ejected out automatically.

The invention discloses an anti-blocking drainage device for the thoracic surgery department. The device comprises a bottom plate, wherein supporting legs are fixedly connected to the four corners ofthe top of the bottom plate, the tops of the four supporting legs are fixedly connected with a first clamping plate, the top of the first clamping plate is fixedly connected with a filter tank and a recycle tank, and the filter tank comprise a tank body, a first connecting hole, a second connecting hole, a third connecting hole, a top cover, a sealing ring, a sleeve, an external thread and an internal thread. The anti-blocking drainage device for the thoracic surgery department has the advantages that the drainage device is arranged, and three conveying pipes are utilized, so that air or liquid in the thoracic cavity can be divided, then a filter mechanism can isolate sediment, a filter element can further filter, thereby achieving the purposes of a good filter effect and an excellent anti-blocking effect; a vacuum pump extracts air in the recycle tank through a breather pipe, so that negative pressure is formed in the recycle tank, thereby introducing a liquid in a transition tank into the recycle tank, achieving the purposes of convenient drainage and a good use effect.

The invention relates to the technical field of chest surgery, and in particular to a multifunctional operation table for chest surgery. The multifunctional operation table comprises a bed frame and arib expander; a bed plate is arranged on the upper surface of the bed frame; a sliding seat is slidably arranged at the end part of the bed frame; the upper surface of the sliding seat is fixedly connected with the bottom of a lifting hydraulic rod; a cross rod is fixedly connected with the top of the lifting hydraulic rod; an illuminating lamp and the rib expander are arranged on the cross rod;a first sliding block sleeves the cross rod; the bottom of the first sliding block is connected with the rib expander through a telescopic rod; the rib expander comprises a mounting shell and a bidirectional hydraulic rod; the bidirectional hydraulic rod is fixedly arranged inside the mounting shell; nesting rods are respectively and slidably nested at two ends of the hydraulic rod; pressure sensors are respectively arranged at end parts of the bidirectional hydraulic rod; and each nesting rod is connected with an expansion plate through a connecting rod. The multifunctional operation table has the advantages of simple structure, convenient adjustment, high automation degree, high applicability, small pain and injury, good stability and convenient popularization and implementation.

The invention discloses a gas supporting type rib retractor for thoracic surgery doctors. The gas supporting type rib retractor comprises a cylinder body, wherein a first connecting arm is fixedly connected to one side of the outer surface of the cylinder body; a duct is arranged at the end of the left side of the cylinder body, and communicates with the cylinder body; a valve is arranged at the middle part of the duct; the duct is connected with an external air pump; a piston disk is in movable clamping connection to the inner part of the cylinder body; a connecting rod is arranged on the side surface of the piston disk; a positioning ring is arranged at the end of the right side of the cylinder body; the connecting rod penetrates through a through hole in the inner part of the positioning ring; a connecting seat is arranged at the end of the connecting rod; an accumulator is arranged in a groove in the end of the right side of the connecting seat; and a cylinder cover is in threadedconnection to the end of the right side of the connecting seat. The gas supporting type rib retractor for the thoracic surgery doctors disclosed by the invention is convenient to use; an air source isused to push traction baffles in one direction to move, so that ribs are supported, medical personnel do not need to perform hand operation, and workload of the medical personnel is reduced; besides,the traction baffles are detachably separated, so that cleaning and disinfecting are convenient, and illumination can be provided; and the gas supporting type rib retractor is convenient for the medical personnel to undergo surgery.

The invention discloses an anti-blocking drainage device for the thoracic surgery department. The anti-blocking drainage device comprises a base; a drainage bottle is arranged on the left side of the top of the base; a fixing assembly is arranged on the left side of the top of the base; a drainage hose is connected to the top of the drainage bottle; a drainage head is connected to the end of the drainage hose; a filter screen is arranged on the drainage head; an air exhaust bottle is arranged on the right side of the top of the base; the drainage bottle is connected with the air exhaust bottle through a connecting pipe; an air suction pipe is connected to the top of the air exhaust bottle; a first one-way valve is arranged on the air suction pipe; an exhaust pipe is connected to the right side of the air suction pipe; a second one-way valve is arranged on the exhaust pipe; an air suction assembly is connected to the end of the air suction pipe; and a damping moving assembly is arranged at the bottom of the base. The drainage bottle is fixed through the fixing assembly, and the fixing effect on the drainage bottle is good; meanwhile, the filter screen is arranged on the drainage head, so that the drainage hose can be prevented from being blocked; the damping effect can be achieved through the damping moving assembly when the device moves; continuous drainage can be guaranteed through air suction of the air suction assembly, and the drainage effect is good.

The invention discloses bletilla glucomannan self-assembled nano particles, and a preparation method and applications thereof. According to the preparation method, bletilla glucomannan dry powder with a molecular weight ranging from 20 to 150kDa is extracted from bletilla striata tuber, and the bletilla glucomannan self-assembled nano particles are obtained via a plurality of steps. According to the bletilla glucomannan self-assembled nano particles, the porosity, the gelling capacity, and the stability of bletilla glucomannan are maintained and improved; no toxic or side effect is caused; the bletilla glucomannan self-assembled nano particles possess excellent biocompatibility, is capable of stopping bleeding, promoting wound healing, and stopping overflow of exudate, and can be used for tissue haemostasis, tissue sealing, and tissue bonding in surgical fields such as general surgery department, orthopedics department, cardiothoracic surgery department, neurosurgery department, and gynaecology and obstetrics.

The invention provides an adjustable thoracic cavity distraction device for the thoracic surgery department. The device comprises a rectangular transverse pipe, a movable hole, a measuring ruler, scale marks, a grabbing handle, a protective shell, a switch, a battery, a metal hose, a lamp holder, a rotatable wound distraction rod device, an adjustable wound distraction plate device, a supporting and containing rod frame structure, a reinforcing and stabilizing plate structure and a detachable garbage containing barrel structure, and the movable hole is formed in the middle of the interior of the rectangular transverse pipe; the measuring ruler is welded on the lower surface of the rectangular transverse pipe; the scale marks are carved on the front surface of the measuring ruler; the grabbing handle is connected to the right side of the outer wall of the rectangular transverse pipe in a sleeving mode; and the protective shell is embedded in the left side and the right side of the uppersurface of the grabbing handle respectively. The device has the beneficial effects that: through the arrangement of the rotatable wound distraction rod device, when in use, the shallower position ofthe wound of a patient can be conveniently distracted, and medical staff can conveniently conduct an operation.

The invention relates to the technical field of medical auxiliary instruments, and aims to provide a wearable postoperative rehabilitation training device for a thoracic surgery patient, wherein the device can autonomously realize muscle group rehabilitation training. The device comprises a back plate matched with the back curve of the human body, the left side and the right side of the upper portion of the back plate are each provided with an arm plate, the arm plates and the back plate are hinged to each other, and torsional springs used for driving the arm plates to reset are further arranged at the hinged positions; first binding belts used for fixing the arm plates to the upper arms of a patient are arranged on the upper sides and the lower sides of the arm plates, and second bindingbelts used for fixing the back plate to the trunk of the patient are arranged on the left sides and the right sides of the middle portion and the lower portion of the back plate. The device is worn onthe body of a patient for use, assists the patient in exercising the chest and related muscle groups, is simple to operate and convenient to use, can assist the patient in quickly recovering the functions of the muscle groups, replaces a traditional manual assistance mode, and saves manpower resources.

The invention relates to a nursing drainage device for the thoracic surgery department. The device comprises a puncturing needle, the tail end of the puncturing needle penetrates through an adhesive piece and extends into an upper liquid collection chamber, an outlet end of the upper liquid collection chamber is provided with an upper biological nano-membrane, the whole upper liquid collection chamber is sleeved with a lower liquid collection chamber, and an outlet end of the lower liquid collection chamber is provided with a lower biological nano-membrane and connected with a drainage tube; the drainage tube comprises an upper drainage tube body and a lower drainage tube body which are communicated with each other through a rubber hose, the upper drainage tube body is provided with a one-way valve, the lower drainage tube body is provided with a fixing device, a negative pressure air-suction device and a flow meter, and the tail end of the lower drainage tube body is communicated witha drainage bag. By means of the nursing drainage device, the situations that infection occurs in the thoracic cavity and liquid flows back can be avoided, and the device is convenient to fix, easy tooperate and capable of filtering liquid in the thoracic cavity and not polluting the environment; the biological nano-membranes replace water seal and valves, so that the device is convenient to carry and good in use effect.