241 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 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.

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.

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 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 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 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 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 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.

The invention discloses an eyelid traction device for eye surgery, and belongs to the technical field of eyelid surgery traction equipment, the eyelid traction device comprises a brain back base plate, a multidirectional adjusting device for adjusting the traction equipment is arranged on the brain back base plate, a traction adjusting handle structure for clamping rotation is arranged on the multidirectional adjusting device, and an eyelid wound pulling device is arranged on the traction adjusting handle structure. The eyelid traction device for the eye surgery aims at reducing damage to the face caused by an overlarge eyelid surgical incision and ensuring that the surgical field is exposed to the maximum degree, the eyelid traction device for the eye surgery is provided, the position of the traction incision of traction equipment can be adjusted while the eyelid surgical incision is dragged, the traction angle and position can be changed according to needs, and the operation efficiency is improved. The frictional resistance between the traction equipment and the incision skin is ensured, and the surgical field is fully exposed.

The invention belongs to the technical field of medical instruments, and particularly relates to an absorbable suture and a preparation method and application thereof. Two coatings are loaded, from inside to outside, the first coating is the rapamycin coating with the anti-scar effect, the second coating is the artemisinin coating with the antibacterial and anti-inflammatory effects, and stable loading and slow release of the rapamycin medicine and the artemisinin are achieved through the structure of the two coatings. The suture can release artemisinin in the surgical suture incision inflammation period, infection is prevented, and inflammatory response is reduced. The rapamycin is released in a surgical suture incision scar proliferation period, so that scar proliferation of a surgical incision is prevented and reduced.

The application discloses a pelvic tumor resection surgical incision construction system and a pelvic tumor whole piece resection system. When a tumor does not affect a Ⅳ area, a projection point of a iliac crest on a body surface is taken as a starting point, and a projection point on the body surface is extended in a pubis direction of the iliac bone. According to different extension points, a single smooth virtual incision path one is constructed by bending downward in a thigh direction. When the tumor affects the Ⅳ area and other areas, the virtual incision path is two independent and non-intersecting first incision paths and second incision paths. The first incision path is extended from a body surface projection point of a longitudinal axis of a vertebral body to a sacrum direction, and is an incision path that is inclined to a tumor side in a sacrum area. The second incision path is a line connecting a body back projection point of the iliac crest to a body front projection point, and is combined with a corresponding smooth virtual incision path one to construct a complete smooth virtual incision path two. Through the above-mentioned method, incision intersection can be effectively avoided, and the incision path is beneficial to blood supply, and the healing effect is ensured.

The application provides a stent of a prosthetic valve, the stent of the prosthetic valve having opposite inflow and outflow sides, comprising: a support part surrounded by a plurality of U-shaped frames, the openings of the U-shaped frames facing the outflow side, the side edges of adjacent two U-shaped frames being adjacent to each other to form a joint column, and the side edges of the adjacent two U-shaped frames meeting at the top end of the joint column; and a ring part being a mesh structure that is radially deformable and located on the inflow side of the support part as a whole, the connection part between the ring part and the support part being at multiple positions and corresponding to the bottoms of the U-shaped frames on the inflow side respectively. The prosthetic valve prepared by using the stent of the prosthetic valve provided by the application can be implanted in the body in a surgical manner, and meanwhile, based on the partial compressibility of the prosthetic valve, the delivery performance is improved, and the surgical incision can be smaller.

The present invention relates to a positioning assistance device and positioning assistance method. The device includes: a base, a robotic arm movably connected to the base, the robotic arm being used to perform surgical operations; a positioning device, the positioning device being disposed on the base and configured to transmit a positioning signal to a surgical table; and a control unit, the control unit communicating with the robotic arm to control the movement of the robotic arm. The control unit also communicates with the positioning device to control the positioning device to transmit positioning information to the surgical table, and to determine the spatial relationship between the base and the surgical table and a target working area based on the positioning information. The present invention controls the positioning device to output positioning information relative to the surgical table, and uses the positional relationship of the positioning information to allow an operator to determine the spatial relationship between the base and the surgical table, as well as to determine the target working area based on the positioning information. This method solves the problem of difficulty in aligning and positioning existing medical devices with the surgical table, and provides positioning assistance for determining the target location of a surgical incision.

The invention relates to the technical field of medical equipment, in particular to a compression hemostat for a surgical incision in a carotid artery operation area. Comprising a controller, a second supporting plate, a mounting plate, four universal rods, electric clamps, photoelectric sensors and the like, the mounting plate is rotatably connected to the upper portion of the second supporting plate, the four universal rods are connected to the mounting plate at intervals, and the electric clamps used for clamping blood vessels of a patient are installed at the bottom ends of the universal rods; photoelectric sensors for sensing blood vessels are mounted on the electric clamps, and the photoelectric sensors and the electric clamps are electrically connected with the controller, so that the electric clamps can automatically clamp and close the blood vessels. Through cooperation of a photoelectric sensor and an electric clamp, the electric clamp can automatically clamp and close the blood vessel of a patient, operation steps of a doctor are reduced, and then through cooperation of a roller and an inclined groove, the doctor can only control the electric clamp to sequentially loosen the blood vessel of the patient according to a set sequence; the situation that the internal carotid artery is loosened in advance due to misoperation of a doctor can be prevented.

The utility model provides a scalpel which comprises a scalpel body, the scalpel body is used for penetrating into eye soft tissue, and the scalpel is characterized in that the scalpel body comprises a first thickness part and a second thickness part, and the thickness of the first thickness part is different from that of the second thickness part. By the adoption of the structure, at least two thicknesses are formed, so that the strength of the scalpel body can be improved through the thick part, fracture or deformation during an operation is avoided, the size of a surgical incision is reduced through the thin part, small puncture resistance is kept in the puncture process of the surgical scalpel, and a cut wound with high self-closing performance is formed; wound healing is facilitated, and postoperative complications of patients are reduced. Therefore, by the adoption of the structure of the implementation mode, the risks of fracture and deformation of the scalpel can be reduced, and postoperative complications of a patient can be reduced.

The invention discloses a skin and incision disinfection effect detection method and device, and the method comprises the steps: synchronously collecting an ATP bioluminescence signal, a spectrum signal and a microenvironment monitoring signal of a detection region through a detection terminal, carrying out the preprocessing to obtain various standardized feature data, packaging the feature data with scene metadata into a detection data package, and carrying out the detection of the skin and incision disinfection effect. And inputting the data to a pre-trained MD-Net deep learning model. After the model is subjected to feature coding of a three-way modal encoder, cross-modal fusion trunk bidirectional cross attention fusion and context modulation and interference separation of a de-confusion hybrid expert layer, a preliminary result is generated by a multi-task output header, finally, evaluation and probability calibration are completed through an uncertainty calibration layer, and a final disinfection effect judgment result is output. According to the method, deep fusion of multi-modal signals and effective separation of interference factors are realized, the accuracy and credibility of disinfection effect judgment are improved, and an objective and quantitative detection basis can be provided for clinical disinfection operation.

The utility model discloses a thyroid surgery traction device, and relates to the field of medical instruments. The thyroid surgery traction device comprises a traction device and a traction device fixing device. The traction device comprises an annular guide rail, a traction structure and a drag hook; the number of the traction structures is at least two, the traction structures are arranged on the annular guide rail in a sleeving mode and can move along the annular guide rail, and each traction structure comprises a traction rod capable of moving inwards and outwards in the radial direction of the annular guide rail; the drag hooks and the traction structures are arranged in a one-to-one correspondence manner and are detachably connected with the traction rods; the number of the retractor fixing devices is two, the two retractor fixing devices are arranged on the two sides of the retractor respectively and connected with the annular guide rail, and the outer ends of the retractor fixing devices can be detachably connected with the operating bed. According to the utility model, the function of pulling an operative incision open can be realized, the device only needs to be adjusted when the device is arranged and needs to be adjusted in the operation process, and the traction of the operative incision does not need manual participation in other time.

The invention provides a breast augmentation method and method.The method comprises the steps that firstly, a shape memory biopolymer material with biological absorbability is selected, and a filling device with a preset three-dimensional configuration is formed through a weaving technology or a 3D printing technology; 2, the filling device is conveyed to the posterior gap of the breast through an endoscope channel or a conveying catheter or directly through a surgical incision and is released, and friction fixation with surrounding tissue is achieved through the radial supporting force of the filling device; 3, after the filling device is stably anchored in the posterior gap of the breast, attachment is completed by means of biocompatibility of the filling device, and surface autologous tissue growth is achieved. According to the method, the filling device is gradually degraded and absorbed by human tissues, only few polymer wire binding points are left finally, an autologous tissue filling structure is formed in the breast, the full, natural, lasting and stable breast augmentation effect is achieved, and the technical problems that autologous fat breast augmentation is easy to absorb, and a silica gel prosthesis is not natural in hand feeling are effectively solved.

The present application provides an imaging method and imaging system for surgical implantation, and the imaging system includes: a support; a mechanical arm, where a first end of the mechanical arm is rotatably connected to the support; an imaging device, connected to a second end of the mechanical arm, where the imaging device rotates freely under the driving of the mechanical arm, and is used to obtain a light signal reflected by an observation object and perform imaging; a light source providing device, where one end of the light source providing device is provided on the support, and some or all of the light signals provided by the light source providing device are transmitted to the observation object through an surgical incision, and are reflected to the imaging device by the observation object; a retractor, where the retractor is used for placement within the surgical incision to establish a surgical channel, so that the light signal reflected by the observation object can be obtained by the imaging device; and a controller, where the controller is electrically connected to the mechanical arm and the imaging device, makes an adjustment to a posture according to a position and a direction of the retractor, and controls the mechanical arm to drive the imaging device to rotate freely. According to the imaging system of the embodiment of the present application, long-distance shooting can be implemented, and it is conducive to performing the surgery.

The invention discloses a rotary winding and traction action combined releasing apparatus, which comprises a releasing part, which comprises two bending structures with opposite orientations, and at least two bending structures are arranged in each orientation; the drawing part is a section of straight rod connected with the releasing part, the length of the straight rod is larger than or equal to 3 cm, and the straight rod is used for guaranteeing sufficient moving distance during withdrawing and drawing and guaranteeing that the releasing part is maintained in an operative incision during operation; and the operating handle is connected with the drawing part and is used for rotating and drawing in vitro so as to complete the actions of rotating, winding and releasing and withdrawing, drawing and releasing of the releasing part. Through the arrangement and cooperation of the releasing part, the drawing part and the operating handle, releasing in the winding direction and the pulling direction of the position needing to be released is guaranteed, and the releasing range meets the requirement; the drawing part not smaller than 3cm is arranged, so that irregular bending of the bending structure can be greatly prevented from being in contact with a wound during drawing operation, and it is ensured that the whole loosening process is performed subcutaneously within an operative incision.

The application provides a kind of upper arm fixing bag for postoperative patient rehabilitation activity and high blood pressure detection, relating to the technical field of blood pressure detection for postoperative patient rehabilitation.The upper arm fixing bag for postoperative patient rehabilitation activity and high blood pressure detection includes a limiting belt and a fixing shell: a central control mechanism is arranged on the outer side of the front end of the limiting belt, the bottom end of the central control mechanism is connected with an induction patch through a wire harness, a connecting shell is fixedly connected to the left end of the limiting belt, a contraction ring is rotatably connected to the right end of the limiting belt, and the inner side of the connecting shell and the outer side of the contraction ring are connected through a contraction assembly. By accurately calibrating the position of the upper arm, the accuracy of the high blood pressure detection data is effectively guaranteed, the movement of the upper limbs is intelligently limited to protect the surgical incision, the flexible pressure regulating structure avoids discomfort caused by compression of the limbs, the integrated design simplifies clinical operation, and the monitoring data can be transmitted remotely, ensuring the safety of postoperative rehabilitation, detection accuracy and convenience.

The utility model belongs to the technical field of medical instruments, and discloses a 3D printing inner patellofemoral ligament reconstruction femoral tunnel positioner and a preparation device thereof.The 3D printing inner patellofemoral ligament reconstruction femoral tunnel positioner comprises a first cylinder, a second cylinder, a bone adapting shell and an operating rod; wherein the diameter of the second cylinder is larger than that of the first cylinder, the length of the second cylinder is smaller than that of the first cylinder, the second cylinder is connected to the outer side of the first cylinder in a sleeving mode, the bone adapting shell is connected to the outer side of the second cylinder in a sleeving mode, and the operating rod is fixedly connected with the outer side of the second cylinder. The first cylinder can penetrate through a standard surgical incision, the second cylinder is connected to the first cylinder in a sleeving mode so that the operating rod and the bone adapting shell can be installed, the operating rod facilitates operation of the positioner, the positioner can be firmly attached to the posterior condylar groove of the femur through the bone adapting shell, therefore, perfect attachment to the femur is achieved, and the positioning accuracy is guaranteed.