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213 results about "Skin flap" patented technology

Self-growing robot based on vacuum layer blocking and rigidity changing method thereof

PendingCN119370215AVehiclesRoboticsAlgorithm
The invention relates to the field of soft robots, in particular to a self-growing robot based on vacuum layer blocking and a variable stiffness method thereof, and the self-growing robot comprises a main body, a base, a blocking layer, an electromagnetic valve and an end cover; the end cover is fixed at the tip of the main body and consists of an outer end cover, an inner end cover and an electromagnet; the blocking layer is composed of skin flaps and a sealing bag, the skin flaps are formed by overlapping multiple layers of polyester films and packaged in the sealing bag, and the blocking layer is vacuumized to enable the layer interference skin flaps to be overlapped to increase the rigidity of the blocking layer; the base is divided into an inflation layer and an exhaust layer, the main body is stored in the inflation layer of the base after being turned inwards, the main body is fixedly connected to the base, and after the base is inflated, the tip end of the main body is driven by air pressure to be turned outwards for growth; furthermore, the blocking layer is fixed on the main body and is connected with the base air exhaust layer through an electromagnetic valve; the problem that the rigidity of a main body becomes poor after long-span extension of the self-growing robot can be solved.
Owner:XIAN GUANGLIN VINE TECHNOLOGY CO LTD

Intelligent nursing monitor used after oral cancer fibula skin flap repair operation

The invention provides an intelligent nursing monitor used after an oral cancer fibula skin flap repair operation. The monitor integrates functional modules of skin flap physiological parameter monitoring, oral cavity function evaluation, patient whole body state monitoring, intelligent nursing scheme generation and pushing, data storage, remote medical support and the like. Accurate and real-time multi-parameter monitoring is realized through a high-sensitivity sensor, and data processing and early warning are performed by applying a big data analysis technology and an artificial intelligence algorithm. The invention aims to improve the postoperative care quality and effect of the oral cancer patient, has remote monitoring capability, can break through the regional restriction, and provides technical support for the timely intervention of professional medical resources. The monitor is portable in design and simple and convenient to operate.
Owner:FOURTH MILITARY MEDICAL UNIVERSITY

Device for repairing wound surface after skin grafting or skin flap operation

The device comprises a pre-stretching elastic film layer which is sequentially stacked, a gradient drainage layer is arranged below the pre-stretching elastic film layer, and sealing edges are arranged on the outer edges of the pre-stretching elastic film layer and the gradient drainage layer. The sealing edge surrounds the edges of the pre-stretching elastic film layer and the gradient drainage layer and is used for being bonded with the skin to form a closed cavity. Continuous negative pressure is provided through retraction force of the pre-stretched elastic thin film layer, compared with a traditional external pump, the cost is lower, use is more convenient, adhesion with a postoperative wound part is prevented through the arrangement of the anti-adhesion contact layer, and the postoperative wound part is prevented from being damaged. And meanwhile, the anti-adhesion contact layer is provided with a micron-sized bulge array and nano-sized surface textures, so that the anti-adhesion effect is further ensured, and the drainage efficiency is improved through the design of the gradient drainage layer.
Owner:ANQING MUNICIPAL HOSPITAL

Flap retractor for breast cancer surgery

The invention provides a flap retractor for breast cancer surgery, and belongs to the technical field of medical instruments. Comprising an arc-shaped frame, third bent parts are arranged at the two ends of the arc-shaped frame, rebound frames are fixedly connected to the inner walls of the two ends of the arc-shaped frame, air bags are installed in the rebound frames, and second connectors are fixedly connected to the outer walls of the air bags; the drainage assembly is used for sucking interstitial fluid at the incision position of the skin flap, and the drainage assembly is connected with the arc-shaped frame and the rebound frame. By arranging the arc-shaped frame, the position of a skin flap incision can be supported and pulled, the skin flap incision is pulled and opened by means of the air bag and the rebound frame, by means of the pulling mode, operation is convenient and labor-saving, an operator does not need to continuously hold and apply force with hands in the actual operation process, manpower and material resources are saved, and the working efficiency is improved. And the size of the opening of the skin flap incision is controlled according to the air filled in the air bag, so that the control of the size of the opening is more stable, and the accuracy is higher.
Owner:THE FIFTH AFFILIATED HOSPITAL SUN YAT SEN UNIV

Nomogram clinical prediction method for postoperative skin flap vascular crisis of oral and maxillofacial tumor patient

The invention discloses a Nomogram clinical prediction method for postoperative skin flap vascular crisis of an oral and maxillofacial tumor patient, and the method comprises the following steps: analyzing an influence factor Meta, and forming a data collection table; matching logistic regression analysis, and adjusting a data collection table: collecting clinical data, and collecting related information of a patient; processing the collected information, and screening variables by adopting single factor analysis; a logistic regression algorithm is adopted to analyze the multi-factor field; constructing a risk prediction model, and performing internal and external verification; carrying out analysis modeling on the training group, and carrying out visual presentation through a Nomogram graph; a Bootstrp 1000-time re-sampling method is adopted to carry out replacement extraction on the model data, and internal verification is carried out on the development model; and drawing a clinical decision curve. The objective of the invention is to explore risk factors of vascular crisis after free tissue valve repair operation of oral and maxillofacial tumor patients from finer and simplified clinical variables and establish an efficient and rapid model to predict the risk of vascular crisis after operation.
Owner:SICHUAN UNIV

Backpack having a body, a handle, and a top flap made entirely of ethylene-vinyl acetate foam enabling a buttressed open top flap functionality

A backpack having a body, a handle, and a top flap made entirely of made from ethylene-vinyl acetate. The body having rear surface, a front surface, an upper surface, and a base surface, wherein the upper surface defines an opening by way of an upper periphery. The handle projects upward from the upper periphery. The top flap extends from a rear end to a forward end, wherein the rear end is connected to the rear surface so that the flap is movable between an open condition and a closed condition blocking access to the opening. A flap opening formed in the flap forward of the rear end thereof, wherein the flap opening is dimensioned, shaped, and located along the flap so that in the open condition the handle engages the flap opening so as to prop the flap in a vertically upright position.
Owner:GARDNER BRITTANY +1

Ultrasonic evaluation method for wound condition of free flap transplantation

The invention relates to the technical field of medical information processing, in particular to a wound condition ultrasonic assessment method for free flap transplantation, which comprises the following steps: performing block processing on an acquired ultrasonic gray image to obtain each enhancement analysis candidate block, the block processing being beneficial to improving the contrast ratio of a fat area and an edema area; a plurality of enhanced analysis target blocks are screened through fat feature screening parameters, so that the image data analysis amount is reduced to a certain extent, and the wound condition ultrasonic evaluation efficiency is improved; a blood vessel ultrasonic frequency shift feature value and a fat echo factor are combined to determine a fat feature first evaluation value of an enhanced analysis target block, and then a fat feature second evaluation value of each gray level is determined, so that enhancement of fat discrimination under the condition that a probe is in poor contact with wound skin is facilitated; and an enhanced ultrasonic grayscale image which has a better enhancement effect and is used for ultrasonic evaluation of wound injury conditions is obtained.
Owner:THE FIRST MEDICAL CENT CHINESE PLA GENERAL HOSPITAL

Free flap riser anastomosis intelligent decision-making method and system based on hemodynamics

The invention provides an intelligent decision-making method and system for free flap riser anastomosis based on hemodynamics. According to the method, firstly, the blood flow direction, the flow speed and the blood vessel wall tension parameter of a target blood vessel are collected, and a dynamic correlation model of intravascular fluid mechanics and external tissue deformation is established; a three-dimensional blood flow pressure gradient map is generated based on the model, then, a system automatically screens an anastomosis path meeting a blood flow resistance threshold value and the endothelial cell survival rate requirement, and the optimal anastomosis pose is determined by analyzing the blood vessel wall elasticity matching degree and the turbulence generation probability. Then, guiding the accurate adjustment of the clamping direction of the blood vessel and the suture needle pitch in the operation, ensuring that the pressure of the lumen of the anastomosed blood vessel is kept balanced when the anastomosed blood vessel is axially stretched, meanwhile, effectively inhibiting local vortex, and remarkably improving the long-term smoothness of the anastomosis of the blood vessel. According to the method, mechanical precise matching and blood flow stable control of free flap vascular anastomosis are achieved, and the postoperative risk is remarkably reduced.
Owner:THE FIRST MEDICAL CENT CHINESE PLA GENERAL HOSPITAL

Devices and methods for creating or augmenting gastric flap valves

This document provides devices and methods for prosthetic flap valve system, comprising an elongation member having a first end and a second end, a first anchor member coupled to the first end of the elongation member and configured to couple the first end of the elongation member to the gastric wall of a subject, a second anchor member coupled to the second end of the elongation member and configured to couple the second end of the elongation member to a flap valve, wherein, the elongation member is configured to bias the flap valve to a closed position, and the closed position of the flap valve provides a separation between the esophagus and the stomach.
Owner:MAYO FOUNDATION FOR MEDICAL EDUCATION & RESEARCH

Preparation method of composite artificial flap with bionic structure and function induction activity

The invention provides a preparation method of a composite artificial flap with a bionic structure and function induction activity. The preparation method comprises the following steps: S1, preparing an epidermis induction layer; s2, preparing a dermis functional remodeling layer; s3, preparation of a vascularization integration substrate layer; and S4, three-layer compounding and sterilization. Through an epidermis-basilar membrane-dermis three-layer integrated structure, a micron-nano multistage gradient pore and basilar membrane belt adhesion structure of natural skin is accurately simulated, and the problems of epidermis-dermis layering and non-uniform cell infiltration of an existing skin flap are solved.
Owner:FOURTH MILITARY MEDICAL UNIVERSITY

Intelligent skin flap microcirculation detection compression air bag

InactiveCN119326517AEar treatmentDiagnosticsMedical equipmentSkin flap necrosis
The invention relates to the field of medical equipment, in particular to an intelligent compression air bag for skin flap microcirculation detection. The intelligent skin flap microcirculation detection compression air bag comprises a bag body, pressure sensors are evenly and dispersedly embedded in the surface of the bag body, the bag body is connected with a medium injection pipe communicated with an inner cavity of the bag body, a connector is arranged at the end of the medium injection pipe, and the pressure sensors are connected with a processor. The pressure-adjustable balloon has the advantages that the structural design is simple and reasonable, the pressure change can be monitored in real time in the using process, especially when the balloon is implanted under the tissue of a patient, the pressure in the balloon is adjusted according to the pressure change, and therefore the purposes that the balloon is adjusted according to the difference of individual forms, and the balloon has enough pressure to effectively prevent hematoma from forming are achieved; and moreover, the problems of skin flap necrosis, pressure sores and the like caused by damage to blood circulation of the skin flap due to excessive compression are solved.
Owner:PLASTIC SURGERY HOSPITAL CHINESE ACADEMY OF MEDICAL SCIENCES

Auxiliary identification method and system for flap transplantation state

PendingCN119235287ACatheterSensorsFlap TransplantMedicine
The invention provides an auxiliary identification method and system for a flap transplantation state. The method comprises the following steps: acquiring physical detection information of a flap area and monitoring results of various physiological monitoring types detected by equipment such as a laser speckle instrument; identifying a first state probability of the flap area in each flap state and monitoring change information of each physiological monitoring type; identifying a state change degree corresponding to each piece of monitoring change information and a second state probability of each flap state through a monitoring analysis strategy of each physiological monitoring type; based on the first state probability of the flap region in each flap state and the second state probability of the flap region in each flap state, identifying the target state probability of the flap region in each flap state, and identifying the target state probability of the flap region in each flap state as the second state probability of the flap region in each flap state; and taking the information as flap transplantation state auxiliary identification information of the flap area. By adopting the scheme, the recognition accuracy of a worker on the flap transplantation state can be improved.
Owner:TONGJI HOSPITAL ATTACHED TO TONGJI MEDICAL COLLEGE HUAZHONG SCI TECH

Multi-degree-of-freedom double-arm flap retraction robot

The invention provides a multi-degree-of-freedom double-arm skin flap retraction robot which comprises a multi-source sensing system, driving systems, a supporting frame and at least two skin flap supporting arms, the driving systems are installed on the supporting frame, each skin flap supporting arm is connected with one driving system, and the driving systems are installed on the supporting frame. The driving system drives the skin flap supporting arm to advance, retreat, lift and pitch, and the multi-source sensing system comprises a spatial position and posture sensing unit and a force touch sensing unit. Each skin flap supporting arm is provided with a spatial position and posture sensing unit and a force touch sensing unit which can monitor the configuration change and the stress state of the skin flap supporting arm in real time. The skin flap retractor has the advantages that dynamic supporting and retraction of skin flap tissue can be achieved, it is guaranteed that the surgical field is fully exposed, meanwhile, single-point tissue compression and trauma risks caused by a traditional retractor are reduced, manpower resources are saved, operation safety is guaranteed, and retraction efficiency and stability are improved.
Owner:HARBIN INSTITUTE OF TECHNOLOGY (SHENZHEN) (INSTITUTE OF SCIENCE AND TECHNOLOGY INNOVATION HARBIN INSTITUTE OF TECHNOLOGY SHENZHEN)

Nickel-titanium alloy stent for limiting brain bulging and flap sinking after skull flap removal and preparation method of nickel-titanium alloy stent

PendingCN121059913ASurgeryCoatingsNitinol stentTitanium alloy
The invention relates to a nickel-titanium alloy stent for limiting brain bulging and flap sinking after skull flap removal and a preparation method of the nickel-titanium alloy stent, and relates to the field of biomedical materials, the stent is of an elastic net-shaped structure which is arranged according to the radian of a missing flap on a bone window and is provided with a plurality of reserved gaps; the stress deformation pressure of the bracket ranges from 103.085 kPa to 103.285 kPa, and the stress deformation pressure of the bracket ranges from 103.085 kPa to The stent comprises a plurality of polygonal grid units which are uniformly distributed, the plurality of polygonal grid units are connected to form a net-shaped structure, and pores in the middles of the polygonal grid units are reserved gaps; and each polygonal grid unit consists of a plurality of S-shaped edge wires which are connected end to end. In a deboning decompression operation, the nickel-titanium alloy stent provided by the invention is placed on a bone window to solve the problems of early-stage brain bulging and later-stage skin flap sinking after a skull flap is removed; the prepared nickel-titanium alloy stent is excellent in mechanical property, high in biological safety and high in clinical adaptability.
Owner:NANFANG HOSPITAL OF SOUTHERN MEDICAL UNIV

Elastic pulling paste for skin wound

The utility model relates to the technical field of medical instruments, in particular to an elastic pull-fit patch for skin wounds, which comprises two elastic patches, a centering structure is arranged between the two elastic patches, and the centering structure comprises a fixing groove frame and two pull-fit belts. The two pulling belts are fixedly connected with the two elastic stickers respectively; by means of the centering structure, when the device is fixed to the wound of a patient, a cotton ball covers the middle of the wound, then a rotating button is rotated, a rotating rod drives a small gear to rotate, due to the fact that the outer surface of the small gear is meshed with gear racks on the two sides, pulling-closing belts on the two sides can slide in a fixing groove frame, and therefore elastic stickers on the two sides are driven to symmetrically cover the two sides of the wound; when the elastic pastes on the two sides reach proper positions, the elastic pastes stop rotating, the covering films on the two sides are torn down, the elastic pastes on the two sides are pasted on the skin of a patient, and therefore the purpose that the pulling pastes can be symmetrically pasted on the two sides of a wound and skin flaps on the two sides can be aligned when the pulling pastes are tensioned is achieved.
Owner:THE FIFTH PEOPLES HOSPITAL OF SHANGHAI

Flap dissociating knife with replaceable blade

The utility model discloses a flap dissociation knife with a replaceable blade, which relates to the field of medical instruments and comprises a knife rest, a knife head is arranged at the front end of the knife rest, the blade is mounted on the knife head in a clamping groove manner, and the rear end of the knife rest is connected with a handle. The surface of the knife rest is provided with first anti-skidding grains. The knife head and the blade are connected in a clamping groove mode, the blade can be replaced at any time according to operation requirements and different patients, the service life of the flap dissociation knife is prolonged, and operation efficiency is improved. The blade, the knife head and the knife rest are distributed in an arc shape after being assembled, so that the surgical operation is smoother; the surface of the knife rest is provided with first anti-skid grains which are convenient for near-holding use, the surface of the handle is provided with second anti-skid grains which are convenient for holding the far end of the handle for surgical operation, and both far-holding and near-holding are anti-skid; cutter entering scales are marked on the surface of the knife rest, the distance of the free knife entering the subcutaneous part can be known in time during operation, and operation precision is improved.
Owner:HANG ZHOU EUPRUN MEDICAL INSTR CO LTD

A breast tumor cutter

The present invention discloses a breast tumor cutter, comprising a gripping sleeve, a rotating structure mounted at the rear end of the gripping sleeve, a grasping and cutting structure disposed within the gripping sleeve, the gripping sleeve comprising a sleeve and a movable sleeve, the rotating structure comprising a sleeve column and a rotating seat, and the grasping and cutting structure comprising a straight rod, a plurality of clamping rods, and a cover. The present invention utilizes the rotating structure and the grasping and cutting structure disposed within the gripping sleeve. After peeling back a breast flap and finding the tumor, the rotating seat can be rotated to cause the head end of the clamping rod to pull the cover, deforming the cover and placing it over the tumor. At this point, the grasping and cutting structure can be rotated to cause the cutting head at the head end of the clamping rod to cut along the edge of the tumor, achieving rapid cutting, a complete cutting surface, and a clear cutting edge.
Owner:THE FIRST AFFILIATED HOSPITAL OF ARMY MEDICAL UNIV

Flap taking device applied to oral cavity

The utility model discloses a skin flap taking device applied to an oral cavity, relates to the technical field of medical auxiliary tools, and aims to solve the problems that when palate skin flaps are cut, sharp blades are usually adopted for cutting, the sizes are not consistent, the widths are not uniform, the palate skin flaps are easily broken or cut off, appropriate soft tissue flaps cannot be obtained, suturing is not facilitated, and the palate skin flaps cannot be taken out easily. And later tissue healing and keratinized gingival formation are not facilitated. According to the flap taking device applied to the oral cavity, the flap cutting size can be adjusted according to needs, and observation is facilitated. Comprising a first connecting rod and a second connecting rod which are arranged in a crossed mode and rotationally connected, one ends of the first connecting rod and the second connecting rod are provided with a cutting part and a fixing part respectively, the other ends of the first connecting rod and the second connecting rod are provided with adjusting structures, the adjusting structures control the opening degree of the first connecting rod and the second connecting rod, and the cutting part is provided with a blade used for cutting.
Owner:FOURTH MILITARY MEDICAL UNIVERSITY

Device for dynamically monitoring blood supply disorder after flap transplantation based on MEMS capacitive sensor and use method

The invention discloses a skin flap transplantation post-operation blood supply disorder dynamic monitoring device based on an MEMS capacitive sensor and a using method, the device comprises a fitting layer and a sensor layer, the fitting layer is of a three-layer structure, and stable fitting and biocompatibility of the device and a skin flap area are achieved; the sensor layer comprises a signal monitoring module and a signal transmission module, the signal monitoring module forms an array by a plurality of capacitive sensing units, and skin flap tissue swelling is converted into a capacitance signal with position identification through the MEMS parallel plate capacitance principle; after being processed and converted, the capacitance signal is wirelessly transmitted to external equipment through low-power-consumption Bluetooth. And medical personnel judge the blood supply disorder and the occurrence area after the skin flap operation based on the capacitance signal change trend. The device disclosed by the invention integrates miniaturization and integration, can monitor in real time, reduces manpower consumption, provides data support for early intervention of blood supply disorder, and is suitable for post-operation clinical monitoring of skin flap transplantation.
Owner:YICHANG CENT PEOPLES HOSPITAL +1

Flap transplantation constant-temperature monitoring device

PendingCN121795842Aincrease diversityImproving the information base for clinical assessmentDiagnostics using lightSensorsMedicineElectric machinery
A flap transplantation constant temperature monitoring device disclosed by the present invention is characterized in that the flap transplantation constant temperature monitoring device comprises a base, a monitoring mechanism and a constant temperature mechanism, a control table and a support are fixedly installed above the base, a humidifier is arranged on one side of the support, and the monitoring mechanism comprises a cover body fixedly installed on one side of the support; a plurality of gooseneck pipes are installed in the cover body, temperature measuring modules are arranged at the bottoms of the gooseneck pipes, and an adjusting groove is formed in the bottom of the cover body; the constant temperature mechanism comprises a first lead screw rotationally installed on one side in the adjusting groove, a sliding rod is fixedly installed on the other side of the adjusting cavity, a sliding rail is slidably installed between the first lead screw and the sliding rod, a second lead screw is rotationally installed in the sliding rail, a second motor is arranged on one side of the sliding rail, and a sliding block is slidably installed in the sliding rail. Heating plates are arranged at the bottoms of the sliding blocks; the skin flap area appearance image automatic acquisition, continuous temperature monitoring and intelligent constant-temperature warm keeping functions can be integrated into a monitoring device.
Owner:920TH HOSPITAL OF THE JOINT LOGISTIC SUPPORT FORCE OF THE CHINESE PEOPLES LIBERATION ARMY

An evaluation and early warning method for postoperative nursing scheme of free skin flap based on multi-modal monitoring data fusion

The application discloses a kind of free skin flap postoperative nursing scheme evaluation and early warning method based on multi-modal monitoring data fusion, it is related to intelligent medical care technical field, for solving the problem that existing monitoring cannot distinguish vascular pathological crisis and nursing environment interference.First, a multi-dimensional time-varying state matrix containing physiological drive and nursing environment characteristics is constructed, realizing the time sequence alignment of heterogeneous data;Subsequently, the pressure-flow conduction characteristics are analyzed, and the blood flow conduction efficiency index reflecting the inherent patency of blood vessels is extracted;At the same time, a physical gain mapping is established based on nursing parameters, and the theoretical target perfusion trajectory under the current nursing state is deduced;Finally, the dynamic residual vector is calculated and combined with the conduction efficiency index for joint determination, accurately identifying vascular structural occlusion and functional inhibition of nursing program, achieving accurate tracing of postoperative crisis and dynamic evaluation of nursing program.
Owner:FIRST HOSPITAL AFFILIATED TO GENERAL HOSPITAL OF PLA

An intelligent probe patch for micro free skin flap blood supply monitoring

This invention relates to the field of medical device technology, and more particularly to an intelligent probe patch for monitoring blood circulation in microscopic free flaps, comprising: a disposable probe patch configured to be attached to the surface or edge of the free flap; a biocompatible adhesive layer is provided on the bottom surface of the flexible base of the disposable probe patch, and an auxiliary structure is provided on the top of the flexible base to resist postoperative tissue activity or secretions; the disposable probe patch integrates an optical sensing unit and a temperature sensing unit for collecting local blood oxygen saturation, pulse rate, and surface temperature of the flap, respectively; a repeater, establishing non-contact near-field coupling with the disposable probe patch, the repeater being configured to provide working power to the disposable probe patch through near-field coupling, enabling it to operate without a built-in battery; and synchronously receiving physiological parameter data reflecting the local microcirculation status of the flap collected by the disposable probe patch; and a terminal device, wirelessly connected to the repeater, receiving and processing the physiological parameter data.
Owner:SHANGHAI NINTH PEOPLES HOSPITAL SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE

Noninvasive full-flexible skin flap transplantation post-operation multi-index monitoring wearable sensor

The utility model discloses a non-invasive full-flexible skin flap transplantation post-operation multi-index monitoring wearable sensor which comprises a sealing cover sensing layer, a skin isolation layer and a sensor assembly arranged between the sealing cover sensing layer and the skin isolation layer. The sensor assembly comprises a strain sensor, a temperature sensor, a humidity sensor and a blood oxygen saturation degree sensor, the sealing cover sensing layer and the skin isolation layer are both made of flexible materials, and the lower layer of the skin isolation layer is used for making contact with the skin of a patient; the strain sensor, the temperature sensor, the humidity sensor and the oxyhemoglobin saturation sensor are respectively used for monitoring swelling, temperature, humidity and oxyhemoglobin saturation of a transplanted flap of a patient. The non-invasive full-flexible skin flap transplantation post-operation multi-index monitoring wearable sensor can non-invasively and continuously detect the swelling, temperature and humidity states of postoperative transplanted skin flaps and the change condition of blood oxygen saturation in real time, and the success rate of skin flap transplantation is increased.
Owner:NINGBO NOTTINGHAM CHINA BEACONS OF EXCELLENCE RES & INNOVATION INST +1

Arc-shaped knife handle for endoscopic breast surgery

ActiveCN222870597UIncision instrumentsAreolaBreast Duct
The utility model relates to an arc-shaped knife handle for an endoscopic breast surgery. The arc-shaped knife handle is suitable for being combined with a scalpel to form an arc-shaped flap free knife for the single-hole endoscopic breast surgery. Distance scales are arranged on the side walls of the arc-shaped handle and the blade holder main body; the arc-shaped handle is provided with a lengthened handle so as to extend the operation range; the arc-shaped handle is beneficial for being tightly attached to the curve of the breast and the thorax and conveniently complies with and crosses the natural radian of the breast and the thorax, precise dissociation of the skin flap blocked by the nipple and areola complex during skin flap separation in the operation is achieved, the amount of bleeding in the operation is reduced, and the operation efficiency is improved. Damage to a nipple and areola complex and a breast duct behind the nipple and areola complex in the operation process is remarkably reduced, and the risk of skin flap necrosis is reduced; distance scales are convenient for measuring the radial width of the breast base along the thoracic radian in an operation, and accurate operation positioning and prosthesis selection reference is provided for doctors; therefore, the operation area can be accurately and efficiently determined in the endoscopic operation, and the success rate of the operation and the satisfaction degree of a patient are improved.
Owner:PEOPLES HOSPITAL PEKING UNIV

Cable stripping device for cable production and processing

The invention discloses a cable stripping device for cable production and processing, and belongs to the technical field of cables. The device comprises a middle cylinder, a conical ring frame is arranged in the middle cylinder, a peeling blade and an adjusting frame are arranged on the surface of the conical ring frame, a sliding mechanism is arranged on the end face of the adjusting frame, and the sliding mechanism comprises a threaded contact piece and a special-shaped rotating frame; according to the invention, multi-point coating type clamping processing can be carried out on a cable to be peeled, and the peeling blade is driven by the adjusting frame and the sliding frame to carry out multi-axial adjustment along the conical ring frame, so that the peeling blade can carry out peeling processing according to the cable model and the conveying process; and the extrusion wheel is used for carrying out coating type extrusion and transverse pushing on the to-be-cut skin flaps, so that under the condition that the cable is kept limited, part of the pressed skin flaps are separated along the surface of the wire, pressing limiting is carried out along the root parts of the skin flaps in combination with the pressing sheet, and the vibration blade is helped to carry out targeted cutting on the preliminarily stripped skin flaps.
Owner:JIANGSU YUSHENG ELECTRONIC TECH CO LTD

Abdomen pedicle skin flap postoperative affected limb fixing device

The utility model provides a belly pedicle skin flap postoperative affected limb fixing device which comprises a belly fixing band fixed around the waist of a human body and a shoulder strap arranged on the side face of the neck of the human body, one end of the shoulder strap is fixed to the position, close to the back of a patient, of the belly fixing band, and the other end of the shoulder strap is connected with the front face of the belly fixing band through a hook-and-loop fastener. The forearm fixing strap is connected with at least one of the shoulder straps or the abdomen fixing strap through a magic tape; the upper arm fixing band is connected with the forearm fixing band through a first auxiliary band, and the upper arm fixing band is connected with the abdomen fixing band through a second auxiliary band; the shoulder strap, the first auxiliary strap, the second auxiliary strap, the upper arm fixing strap and the abdomen fixing strap are all provided with length adjusters. The fixing device can be flexibly adjusted, and the length of the belt body is easy and convenient to adjust.
Owner:HUIZHOU CENT PEOPLES HOSPITAL

Flap retractor for artificial cochlea electrode implantation operation

The invention belongs to the technical field of flap retraction, and particularly relates to a flap retraction device for artificial cochlea electrode implantation surgery, which comprises a top plate, electric telescopic rods are fixedly connected to the two sides of the bottom wall, movable boxes are symmetrically and slidably connected to the bottom wall of the top plate, and guide rods are slidably connected to the bottom walls of the movable boxes in a linear array; the guide rod is hollow, the hollow part of the guide rod is communicated with the hollow part of the moving box, and the bottom end of the guide rod is coaxially and fixedly communicated with a connecting seat; the bottom wall of the suction cup is completely attached to the skin of a patient, the problem that local skin is bruised due to untight attachment in traditional rigid traction is avoided, the suction cup automatically adsorbs the skin and retracts the skin, when the skin is stretched to the limit, transverse traction is stopped, longitudinal lifting is conducted, and through linkage of a touch switch and a touch switch, the skin can be automatically pulled out. Excessive skin stretching caused by traditional traction is avoided, transverse and longitudinal two-dimensional traction is achieved, and a deep operation area is fully exposed.
Owner:THE SIXTH MEDICAL CENT OF THE CHINESE PEOPLES LIBERATION ARMY GENERAL HOSPITAL

Duvet cover with zipper

The invention relates to a duvet cover (1) comprising an upper layer (10) and a lower layer (20) delimiting a head edge (30), a foot edge (50), two side edges (40A, 40B), said lower layer (20) comprising a fixed portion (210) in the shape of a U, a single zipper (230) and a flap (220), said fixed portion (210) defining a first free edge running along the two side edges (40A, 40B) and the foot edge (50), at a distance from the corners so as to form a pocket along the head edge (30), the two side edges (40A, 40B) and the foot edge (50), the flap (220) being connected to the first free edge by open seams at each end zone of the head edge (30) and by said zipper (230) on the remainder of the first free edge. Figure for the abbreviation: Figure 1
Owner:BILLEBAULT JOELLE +1

Surgical knife handle with adjustable curvature

The utility model relates to the technical field of medical instruments, in particular to a curvature-adjustable surgical knife handle, which comprises a blade, a blade mounting piece, a knife handle main body, a support block, a screw rod, a knob and two steel ropes, the knife handle main body comprises a plurality of block bodies and a plurality of capsule bodies, each block body is provided with two arc-shaped grooves, and the capsule bodies are respectively arranged in the corresponding arc-shaped grooves. Two first round holes are formed in the block body, two second round holes are formed in the capsule body, one ends of the two steel ropes are fixedly connected with the blade mounting piece, and the two steel ropes are connected with the knob, so that the problems that in the prior art, in a surgical operation, skin flaps need to be stripped through a small incision embedded dilator, the cross section of stripped skin tissue is arc-shaped, and the skin flaps cannot be stripped are solved. The technical problems that when a deep flap is stripped, tissue close to an incision protrudes on the cross section, a straight knife handle cannot enter the stripping position through the small incision, and the required flap with the uniform thickness cannot be stripped are solved.
Owner:SICHUAN MILAN BRAVOU MEDICAL BEAUTY HOSPITAL CO LTD