321 results about "Surgical incision" patented technology

The invention relates to the technical field of postoperative nursing devices, in particular to a clinical postoperative nursing drainage device which comprises a shell, a supporting disc is rotationally arranged in the shell, a plurality of arc-shaped plates are elastically and slidably connected to the periphery of the supporting disc in the radial direction, and a drainage tube is arranged in the shell in a penetrating mode and surrounds the arc-shaped plates by a circle to form a reducing ring. When the drainage tube is pulled, the arc-shaped plates on the periphery of the supporting disc can elastically slide in the radial direction, so that the diameter of a reducing ring formed by the drainage tube is reduced, pulling force energy is absorbed, the pulling force borne by a surgical incision is reduced, and the pain of a patient is relieved; when the drainage tube is blocked due to the fact that the inner diameter is reduced due to pulling deformation, hydrops can be dredged through vibration.

The invention relates to the field of demonstration teaching aids, in particular to a pediatric orthopedic repair demonstration box which comprises a box body, a front chamber is formed in the middle of the front side of the box body, silos are rotationally connected to the upper portion and the lower portion in the front chamber, and mounting discs are mounted on the inner sides of the ends, close to each other, of the silos. The ends, close to each other, of the mounting discs are fixedly connected with a plurality of simulation blood vessels, electric heating wires are arranged in the simulation blood vessels, the ends, away from the simulation blood vessels, of the mounting discs are fixedly connected with power connection bins, and the power connection bins are used for supplying power to the electric heating wires in the simulation blood vessels; according to the device, how to avoid the main blood vessel of the leg when a surgical incision is formed in a fracture point can be trained, the actual surgical condition is simulated, the surgical scene is highly restored, the practical training pertinence is improved, and the practical training efficiency is improved. And the operation opening proficiency of people is trained.

An incisional instrument and method of use for creating accurate, reproducible surgical incisions. An exemplary embodiment includes an incisional instrument configured for attachment to a patient's eye and for use performing arcuate limbal relaxing incisions (LRIs). The incisional instrument is made up of two coaxial, interconnecting pieces: a docking piece and a cutting piece. The docking piece includes a suction mechanism and is configured for being secured to a patient's eye just outside the corneal limbus. The cutting piece is configured to fit flush within the docking piece and includes cutting blades and one or more handles for rotating the cutting piece relative to the docking piece. When assembled, the cutting blades extend into a patient's eye a desired LRI depth. An embodiment further includes an arcuate guide template with stoppers for providing lateral, arcuate stops for precise cuts in the desired LRI locations. An LRI method includes the steps of utilizing the incisional instrument in an ophthalmologic LRI procedure.

An osmotic bandage for treating wounds, such as cuts, abrasions, minor burns, blisters, and post-surgical incisions. The bandage includes a bandage strip with an adhesive along with a plurality of apertures or airholes disposed therethrough for breathability. The bandage further includes a multi-layered gauze pad. The multi-layered gauze pad includes a first layer, a second salt laced layer, and a third odor-reducing layer. The salt is a natural bactericide, through the dehydration of water in bacteria, and kills any bacteria that attempt to invade or enter the wound site. A semi-permeable membrane cover may be disposed in overlying relation to the pad to prevent the salt from being in direct contact with the wound tissue and causing the patient pain.

A tissue retractor for laparoscopic surgery according to the present invention is a device for retracting tissues including organs in the abdominal cavity during laparoscopic surgery. The device has a structure in which four bar-shaped main frames are connected to each other to form a rhombus shape, and the four vertices thereof can be folded or unfolded. Accordingly, when one pair of first vertices facing each other are completely folded and the other pair of second vertices are completely unfolded, the device becomes a straight line and can be inserted into the abdominal cavity via a trocar installed in a surgical incision.

The invention discloses an incision protection sleeve for medical engineering and a production process thereof, the incision protection sleeve comprises an outer layer protection film and an inner layer protection film, the outer layer protection film is composed of a polytetrafluoroethylene base material and a nano-silver composite layer coated on the surface, the density of the nano-silver composite layer is 1.5-3.0 mg / cm, the thickness of the nano-silver composite layer is 0.1-0.3 mm, the diameter of hollow microspheres is 50-200 [mu] m, the wall thickness of the hollow microspheres is 5-15 [mu] m, and the filling rate of the hollow microspheres is 10-30% of the volume of a buffer ring; according to the material innovation, the PTFE-nano-silver composite layer gives consideration to antibacterial performance and durability, the collagen-silica gel buffer layer promotes tissue repair, the structure innovation is that magnetic fixation and a shape memory support achieve one-key type rapid installation, the operation time in an operation is shortened by more than 20%, the process innovation is that laser welding and plasma spraying technologies are combined, the product consistency (tolerance + / -0.05 mm) is ensured, and the production efficiency is improved. Clinical values are as follows: animal experiments prove that the postoperative infection rate is reduced to 1.2% (8.7% in a control group), and the incision healing time is shortened by 3-5 days.

The invention discloses a film water collection negative pressure system for an antibacterial operation. The film water collection negative pressure system comprises a water collection main body, a waterproof film and a negative pressure drainage tube. The shape of the water collecting main body is configured to surround a water collecting area on the outer side of a surgical incision on the body surface of a patient, and microporous structures facing the stoma of the human body are distributed on the water collecting main body; the water collecting main body and the water collecting area are covered with the waterproof thin film, the waterproof thin film is provided with a surgical operation opening corresponding to the stoma of the human body in position, and the waterproof thin film is further provided with a liquid passing hole facing the micropore structure; the head end of a tube body of the negative pressure drainage tube is connected with the micropore structure in an attached mode. And the tail end of the tube body of the negative pressure drainage tube is communicated and connected with a negative pressure source. Sterile normal saline for lavage incision can be prevented from flowing to an operating table, a bed sheet and the ground along the body of a patient, the sterile environment of an operation area is guaranteed, the risks of low body temperature, postoperative infection and the like in the operation of the patient are reduced, and the experience of the patient in the perioperative period is improved.

The utility model provides a deburring machine for a TPU (thermoplastic polyurethane) fixing ring of an incision protector for operation, which comprises a rack (1) and a table board (2), and is characterized in that a rotating frame (3) is arranged on the table board (2), a TPU fixing ring clamping component (4) is arranged on the rotating frame (3), a moving frame (5) is arranged on the table board (2), a pair of liftable electric scissors (6) is arranged on the moving frame (5), and the TPU fixing ring clamping component (4) is arranged on the moving frame (5). A telescopic positioning assembly (7) of the TPU fixing ring is arranged on the rack (1) below the table top (2), and a control module of the rotating frame (3), the TPU fixing ring clamping assembly (4) and the positioning assembly (7) of the TPU fixing ring is further arranged on the rack (1). The device is simple in structure and convenient to use, ensures the product quality and improves the percent of pass; manual machining is replaced, and the machining difficulty and the proficiency requirement are lowered; direct contact between a worker and a sharp machining tool is avoided, and potential safety hazards are eliminated.

Oral surgery collaborative surgical field exposure assistance surgical robot and control method, comprising two 6-degree-of-freedom robotic arms, two force-sensing surgical retractor assemblies and a main control computer. The force-sensing surgical retractor assembly includes a force-sensing surgical retractor, and there is a contact sensor inside the end cover plate of the force-sensing surgical retractor. The force-sensing surgical retractor is connected to the end of the robotic arm through a surgical retractor connecting piece. There are drag mode interaction and reference force adjustment interaction on the main control computer. The present invention is used to assist doctors in continuously retracting the surgical incision. The doctor only needs to place the surgical retractor at the initial position of the target area, input the reference retraction force on the interaction interface, and turn on the control system. The robot drives the force-sensing surgical retractor to safely and stably retract the surgical incision. For the convenience of doctors' operation and to ensure human-machine safety, the present invention has designed control strategies such as detailed modeling analysis, torque compensation, active retraction compensation, and safety threshold for the surgical retraction process.

The invention relates to the technical field of medical supplies, and discloses a microcapsule controlled-release medical dressing and a preparation method thereof.The microcapsule controlled-release medical dressing comprises a base cloth layer, a microcapsule layer arranged on one side of the base cloth layer and a protective layer covering the microcapsule layer; the microcapsule layer is composed of a plurality of drug-loaded microcapsules, each microcapsule is composed of a wall material and a core material, the core material is a wound treatment drug, and the wall material is a modified chitosan-sodium alginate composite wall material; the base cloth layer is a polyurethane non-woven fabric with air holes, and the protective layer is a degradable hyaluronic acid film. The microcapsule is suitable for various types of wounds, such as surgical incisions, burn wounds, chronic ulcers and the like, different wound treatment requirements can be met by adjusting the types of antibiotics in the microcapsule, the crosslinking degree of the wall materials and the drug loading capacity, and the microcapsule has a wide clinical application prospect.

The assembled intraocular tweezers comprise an outer cylinder, a lens bin and a lens clamping assembly, the lens bin is fixed to the front end face of the outer cylinder, the front end of the lens bin can be inserted into the cornea, and the lens clamping assembly comprises a wall cylinder slidably connected to the interior of the outer cylinder; a guide sliding seat slidably connected into the outer cylinder is arranged in front of the wall cylinder, a first spring is arranged between the guide sliding seat and the front wall of the outer cylinder, a fixing plate is arranged at the rear end of the interior of the wall cylinder, forceps rods are fixed to the front end of the fixing plate, and the forceps rods penetrate through the guide sliding seat and the front wall of the outer cylinder to extend into the crystal bin. And two elastic forceps heads are arranged at one end, extending into the crystal bin, of the forceps rod. Compared with the prior art, the surgical incision is small (the main incision does not need to be expanded), the anterior chamber operation is less, the intraocular lens is easy to take out, and the corneal endothelium injury is less; the method is also suitable for an intraocular lens falling into a vitreous cavity.

The invention relates to the technical field of medical nursing materials, in particular to a cesarean postoperative hemostasis bellyband which comprises a main bellyband body used for being fixed to the abdomen of a puerpera in a sleeving mode, an auxiliary adjusting band used for adjusting the tightening tension of the main bellyband body and a tourniquet used for conducting pressing hemostasis on the position of a cesarean operation incision. The two sides of the tourniquet are detachably connected with the main bellyband body through zippers, the tourniquet comprises a fabric layer, a filling layer, a heating layer and a hemostasis layer which are sequentially arranged from outside to inside, a gap is formed between the fabric layer and the filling layer, and medical cotton cloth is arranged in the gap; the filling layer acts on an operative incision through inflation expansion, and a heat insulation sheet is arranged between the filling layer and the heating layer and sewn to the heating layer. The outer side of the hemostasis layer adheres to the heating layer, and the inner side of the hemostasis layer makes contact with a surgical incision. The invention aims to solve the defects of the existing bellyband in the aspects of hemostasis and adaptive adjustment after cesarean section.

The invention provides a gall-stone removing and crushing device under a laparoscope, and belongs to the technical field of gall-stone treatment. Comprising a catheter, the top of the catheter is fixedly connected with a first camera, the catheter is internally provided with a bag sealing assembly which is used for forming a controllable closed cavity in a gall bladder and wrapping a target calculus, and the bag sealing assembly comprises a first guide tube slidably connected to the interior of the catheter. The bag sealing assembly, the calculus removing assembly and the calculus crushing assembly are arranged and are matched with one another for use, and the integrated process of wrapping, grabbing, crushing and collecting is formed through the integrated design of a nested guide pipe, the bag sealing assembly constructs a closed cavity to isolate an operation area, and the calculus removing assembly accurately grabs calculus and fixes the calculus in a bag; the stone crushing assembly efficiently crushes target stones in a closed environment, internal and external double-view-angle monitoring is achieved through double cameras in the whole process, and the risk of gallbladder injury caused by the fact that an incision is exposed to the outside in a traditional operation is avoided through cooperation of the three assemblies.

The invention relates to the technical field of surgical equipment, in particular to a disposable medical dilator which comprises a dilator body and a power supply cable, the dilator body is used for hooking a human body part to dilate a surgical operation window so as to completely display a surgical operation part of a human body, and a hooking part for hooking the human body part is arranged at the head end of the dilator body. A flue is arranged in the hooking part, a light-emitting mechanism used for providing illumination is embedded in the expander body, and the tail end of the expander body is detachably installed on a power supply part of a power supply cable. A series of work such as hooking of a human body part, expansion of an operative incision, collection and exhaust of smoke and light source irradiation of the human body operative part can be achieved, operation is convenient and rapid, the operation view of a doctor during an operation can be effectively expanded, and the operation efficiency is improved. Meanwhile, the tail end of the dilator body is detachably installed on the power supply part of the power supply cable, rapid replacement of the dilator body can be achieved, disinfection is convenient, and economic benefits are improved.

The invention provides a sterilizing, breathable, self-liquid-absorbing and anti-adhesion dressing and a preparation method thereof. The dressing comprises a hydrophobic inner layer and a hydrophilic surface layer, the hydrophilic surface layer is formed by weaving hydrophilic warp yarns and surface layer weft yarns; the hydrophobic inner layer is composed of a plurality of juncus effuses which are uniformly distributed along the weft direction; and the junci medulla and the warp yarns of the hydrophilic surface layer are fixed through a specific binding double-layer weave weaving structure. Through a specific fabric weave structure weaving method and mutual cooperation of different layer structures and raw materials, the junci medulla is firmly fixed to the hydrophobic layer, and the high-performance dressing of a specific structure is obtained; the dressing is reasonable in design and simple in structure, facilitates absorption of wound moisture, promotes wound healing, has a good anti-inflammation effect, and can be widely applied to anti-inflammation and binding materials of trauma such as surgical incisions, burns and scalds and repair of wound surfaces.

The application discloses a surface treatment process of an antistatic and low-fuzz surgical drape, and relates to the field of layered products.The treatment process comprises the following steps: S1, using a dielectric barrier discharge plasma to treat the surgical drape; S2, using a padding method or a spraying method to apply an antistatic agent solution; S3, uniformly spraying an end-capping agent solution on the surface of the drape treated in the step S2; and S4, steam sterilization, and obtaining the antistatic and low-fuzz surgical drape after cooling.The low-melting-point polymer is compounded with the water-soluble end-capping agent, and combined with high-pressure steam sterilization, so that the polymer can migrate to the end along the capillary effect of the fiber surface after contacting the surface of the drape, and the auxiliary film-forming agent can be instantaneously swelled when meeting water vapor, the polymer can be guided to wrap the fiber end breaking point, and the polymer can be solidified to form a microspherical mechanical lock after cooling.The physical wrapping mechanism of the application can more completely control the falling of the fuzz, so that the risk of foreign body reaction or infection of a surgical incision caused by the falling of the fuzz can be further reduced.

The invention belongs to the technical field of postoperative incision protection, and particularly relates to a surgical incision protection device for thoracic surgery patients, which comprises a back plate assembly, a thoracic-abdominal assembly is arranged on the back plate assembly, one end of the thoracic-abdominal assembly is connected with a belt retracting device, a waist support plate is arranged on the lower side of the back plate assembly, and a first fixing belt is arranged on the waist support plate. According to the chest and abdomen assembly, through cooperation of the belt collecting device and the isolation protection device, the belt collecting device can adjust the tension of the chest and abdomen assembly in real time based on a tension sensor, and a buffering air bag and elastic spokes of the isolation protection device synchronously buffer impact; a tension adjusting-buffering protection dual-protection system is formed, the chest and abdomen traction force generated when the patient moves or bends down can be accurately counteracted, and the incision is prevented from being torn due to traction.

The utility model relates to the technical field of surgical instruments, in particular to a disposable anoscope with a notch structure, which comprises a shell, a placing block is arranged on one side of the top end of the shell, a clamping block is fixedly connected to the inner wall of the placing block, an inner plug is fixedly connected to one side of the clamping block, and a rotating rod is fixedly connected to the inner wall of the inner plug. A placement groove is formed in the surface of the shell, an insertion block is clamped to the inner wall of the placement groove, and a fixing groove is formed in one side of the shell. According to the disposable anoscope with the notch structure, through the arrangement of the containing groove and the inserting block, when the disposable anoscope is used, after the device is inserted into the anus, the containing groove is aligned with the position where hemorrhoids are needed, the hemorrhoids can be placed in the containing groove, hemorrhoids can be conveniently cut off in an operation, and operation incision exposure and alignment suture are facilitated; the situation that the hemorrhoids are not placed in the containing groove and the hemorrhoids are hurt and a patient pains when the hemorrhoids are rotated is avoided, and therefore the effect that the hemorrhoids are conveniently cut off and wounds are conveniently sutured is achieved.

The invention discloses an abdominal belt capable of monitoring errhysis and seepage, and belongs to the technical field of medical instruments. A bellyband capable of monitoring errhysis and seepage comprises a bellyband body and hanging buckle structures connected to the two ends of the bellyband body, an elastic band is arranged in the bellyband body, the bellyband body is provided with a display screen, and the bellyband further comprises a seepage collecting assembly arranged on the inner wall of the bellyband body; the detection assembly is arranged on one side of the collection assembly, the detection assembly is used for detecting the seepage in time, the detection assembly is electrically connected with the display screen, and the display screen is used for displaying seepage components; cleanness of the exudate collecting box and the sponge block is guaranteed, and the risk of cross infection caused by exudation or exudate deposition is further avoided; according to seepage detection, the type of seepage is determined and displayed through a display screen, so that medical staff can conveniently master the seepage condition in time, a surgical incision is treated, and seepage generation is controlled in time. The pipeline is prevented from being blocked through dredging, and it is guaranteed that seepage smoothly enters the pipeline for subsequent detection.

A surgical retractor may be configured for mounting to a self-retained surgical retractor frame. The surgical retractor may include dual capability for both retracting tissue at a wound or surgical incision site and for providing surgical site illumination. The surgical retractor may include a light conduit, a mounting post, and a blade. The light conduit may be disposed along at least a part of the blade at a distance to define an offset gap between the light conduit and the post. In operation, the post may be translatably received within an aperture formed in the connector so that the connector is moved within the offset gap and the blade moved in a direction suitable for tissue retraction.

The invention discloses a surgical incision recovery nursing device, and relates to the technical field of medical instruments, the surgical incision recovery nursing device comprises a nursing frame, the two sides of the nursing frame are fixedly connected with fixing bands and a blood scab auxiliary cleaning mechanism, and the blood scab auxiliary cleaning mechanism is arranged in the middle of the nursing frame; the blood scab auxiliary cleaning mechanism comprises a middle cross rod fixedly connected to the middle of the nursing frame, two push-pull columns are inserted into the middle cross rod, the lower ends of the two push-pull columns are fixedly connected with a strip-shaped cover, the lower end of the strip-shaped cover is fixedly connected with a rubber skirt edge, and a connecting pipe is inserted into the rear end of the middle cross rod. The lower end of the connecting pipe is communicated with the upper surface of the rear end of the strip-shaped cover, the upper end of the connecting pipe is in threaded connection with a threaded sleeve, the upper end of the threaded sleeve is communicated with a liquid injection cylinder, and the upper ends of the two push-pull columns are fixedly connected with a connecting long plate, so that the problems that blood scab and gauze are bonded together, direct separation is difficult, and wound recovery is not facilitated are solved.

This invention relates to a novel detachable rib circumferential device, comprising a crossbeam and at least two circumferential arms. The crossbeam is made of a flexible and shapeable medical material, and its sides have positioning grooves corresponding to the number of circumferential arms. The circumferential arms are made of a material that automatically shrinks when heated, and their width is less than or equal to the width of the positioning grooves. This invention features an ingenious structure and reasonable design, allowing for easy and convenient insertion even through small incisions, simplifying surgical procedures and adapting to the current trend of increasingly minimally invasive surgical incisions.

The invention belongs to the technical field of surgical incision rehabilitation equipment, and particularly relates to a chest incision intelligent compression device for DBS postoperative management, the chest incision intelligent compression device comprises a fixing cloth strip and an air supply box, the two side ends of the fixing cloth strip are fixedly connected with fixing mechanisms, and the inner side wall of the fixing cloth strip is connected with a compression mechanism; a plurality of mounting through holes for connecting the compression mechanism are formed in the outer wall of the fixed cloth strip. The chest incision intelligent compression device used for DBS postoperative management has the functions that use is stable, the chest incision is compressed intermittently according to the breathing frequency of a patient, safe compression force meets personalized adjustment of the patient, the intelligent degree of the device can be effectively improved, the effect of compression management on the chest incision of the patient can be improved, and the patient experience is improved. The device further has the functions of heat preservation and drying of the chest incision of the patient, the situation that the chest incision of the patient is infected by bacteria bred due to moisture can be effectively avoided, the incision healing effect is effectively promoted, and the use reliability of the device is improved.

The set of inventions relates to medical devices, in particular to surgical retractors and wound retractors for displacing and securing anatomy of a surgical incision in a given position during surgery to provide access to a surgical region of a patient's body. A removable clip for a surgical retractor, made as an L-shaped curved member, includes a base provided with a device for fixation in a surgical retractor and a microsurgical instrument recess, and a pair of teeth for holding an anatomical structure. The toothing is configured as a profiled plate with a working area widening to ensure contact with the anatomical structure, the widening being formed by a raised pad located at least on the inner and / or outer end edge side of the lower end of the plane of the toothing plate. The included angle between each tooth part and the plane of the base is smaller than 90 degrees, and therefore gaps used for passing of microsurgical instruments are formed between the tooth parts. The surgical retractor comprises a frame with a rack carrying a fixed arm and a movable arm, the fixed arm and the movable arm being hingedly connected to a retainer for the detachable clip, where the retainer is configured to receive at least one of the aforementioned detachable clips. A removable clip assembly for a surgical retractor includes at least one central dual tooth removable clip; the at least one peripheral double-tooth detachable clamp is constructed to be capable of accommodating the central double-tooth clamp between the tooth parts of the central double-tooth clamp; and at least one central single-tooth detachable clamp. The use of the invention provides an increased working space and a higher degree of freedom of surgical instrument operation, enabling access to the lateral region of the operated structure during surgery without extending the skin incision.

This invention relates to a biopsy needle for trabecular meshwork tissue of the eye, belonging to the field of medical device technology. It solves the problem of large incisions caused by the large surgical incisions in traditional trabeculectomy procedures, where a scalpel is used to cut a block of ocular tissue containing the trabeculae and deep cornea and sclera. The invention includes a needle, a scraper unit, and a handle. The needle is connected to the handle, the scraper unit is disposed within the needle, and the handle is for the user to hold. The needle is inserted into the patient's eyeball, and the scraper unit is used to cut the trabecular meshwork and Schlemm's canal wall tissue. The scraper unit of this invention is a bendable scraper unit. The first, second, and third sections can form grooved hooks for hooking the trabecular meshwork and Schlemm's canal wall tissue. The grooved hooks of this invention are specifically designed to hook the trabecular meshwork and Schlemm's canal wall tissue, resulting in minimal trauma to the ocular incision.

The utility model discloses a nasal cavity surgical incision protective sleeve conveying device, which relates to the field of nasal cavity surgical instruments, and comprises a conveying rod and a pressing rod, a guide head is arranged at the head of the conveying rod, a cylindrical hole is arranged on the guide head, a cylindrical raised head is arranged at the head of the pressing rod, and the cylindrical raised head is connected with the pressing rod. The conveying rod and the pressing rod are connected in a clamped mode through the cylindrical hole and the cylindrical protruding head. The plurality of cylindrical holes are uniformly distributed around the axis of the conveying rod; the guide head of the conveying rod and the head of the pressing rod are connected in a clamped mode through the cylindrical holes and the cylindrical protruding heads, and meanwhile the cylindrical holes are evenly formed in the circumferential side of the guide head, so that when the pressing rod is used for pressing a notch protection sleeve wound around the outer surface of the conveying rod, the notch protection sleeve is not prone to falling off. The pressing position of the pressing rod can be flexibly adjusted according to the tail end position of the protective sleeve, clamping is conducted through the adaptive cylindrical hole, the protective sleeve cannot be adjusted, operation is easy and convenient, and clinical application is convenient.

The invention belongs to the technical field of medical supplies, particularly relates to a surgical incision scar prevention device and a surgical incision scar prevention method, and aims to solve the problem that an existing surgical incision scar prevention device is poor in effect when coping with a long surgical incision, the surgical incision scar prevention device comprises a tensioning end plate, and a fixing end plate is arranged outside the tensioning end plate; first medical double-faced adhesive tape is arranged at the bottom of the tensioning end plate and the bottom of the fixing end plate, a connecting pipe is arranged between the tensioning end plate and the fixing end plate, and a plurality of tensioning lines distributed at equal intervals are arranged outside the connecting pipe. According to the surgical incision scar prevention device and method disclosed by the invention, the length of the device can be prolonged and expanded, so that the adaptability of the device to a relatively long surgical incision is improved by forming a whole on the basis of taking the body as a main body, the tension reducing effect of the device on the incision is uniform and effective, and the surgical incision scar prevention effect is improved. The incision closing effect is improved, and the incision scar prevention capability of the device is remarkably improved.

The invention belongs to the technical field of medical instruments, and particularly relates to a thoracic cavity supporting device for operation, which comprises a cylinder body, and the inner wall of the cylinder body is fixedly connected with an isolating membrane; the expansion mechanism is arranged in the cylinder body, the expansion mechanism comprises two expansion plates which are slidably installed on the two sides of the interior of the cylinder body respectively, and the bottoms of the expansion plates are fixedly connected with air bags; and the clamping mechanism comprises a clamping assembly rotationally connected to the outer wall of the cylinder body, and a lifting ring is arranged below the clamping assembly. The isolation membrane can be driven to contract and expand through the expansion plate of the expansion mechanism, the isolation membrane can conveniently penetrate through a surgical incision, the supporting convenience is improved, surgical instruments such as surgical forceps can be clamped through the clamping assembly of the clamping mechanism, after the air bag is inflated and expanded, the surgical incision can be conveniently supported and expanded, and the operation efficiency is improved. And surgical instruments can be conveniently supported and fixed.

The utility model discloses a membrane self-expansion stent thrombectomy catheter, which relates to the technical field of medical instruments and comprises a thrombectomy catheter and a conveying catheter, the thrombectomy catheter and the conveying catheter are both of bendable flexible structures, the conveying catheter can be movably sleeved outside the thrombectomy catheter, a membrane self-expansion stent is arranged at the head end of the thrombectomy catheter, and the membrane self-expansion stent is arranged at the tail end of the thrombectomy catheter. A barrier film is arranged outside the self-expansion stent with the film, the self-expansion stent with the film is of a net-shaped flexible cover body structure with one end connected with the thrombectomy catheter and the other end open, and the self-expansion stent with the film can be shrunk into the delivery catheter; the thrombectomy catheter and the conveying catheter are used in a matched mode, the self-expansion support with the film is arranged at the end of the thrombectomy catheter to be combined with the thrombectomy balloon to conduct thrombectomy operation, and minimally invasive and thorough thrombectomy is achieved under the condition that blood vessels are cut in an interventional mode instead of a surgical mode. Compared with traditional interventional thrombus suction, thrombus extraction is more thorough; compared with traditional surgical blood vessel incision thrombectomy, wounds and complications caused by surgical incision operation are avoided.

This invention discloses a 3D-printed customized postoperative positioning support and nursing device for orthopedic spinal surgery, comprising a support plate, wearable components, a protective bladder, a control box, and a power supply component. The support plate is a customized rigid support structure 3D-printed based on the patient's spinal CT / MRI image data. Its outer contour conforms to the physiological curvature of the patient's back spine and body shape characteristics, and its surface has evenly distributed ventilation holes. It includes shoulder straps, a lumbar support, and a waist belt. The shoulder straps are symmetrically arranged on both sides of the upper part of the support plate, the lumbar support is located on the lower part of the support plate, and the waist belt is located on the outer side of the lumbar support, used to stably fix the support plate to the patient's back. The protective bladder is fitted inside the support plate and is detachably connected to the support plate via Velcro or buckles. The beneficial effects of this invention are: it avoids direct pressure from the rigid support plate on the surgical incision and surrounding soft tissues; the independent chamber of the inflation section allows for precise adjustment of inflation pressure according to the patient's needs, adapting to different activity levels and rehabilitation stages.