1889results about "Tourniquets" patented technology

The invention discloses a thoracoscope minimally invasive cardiac surgery navigation system based on multi-modal image fusion, and the system comprises the steps: constructing a 5D heart digital twin containing an anatomical structure, a soft tissue boundary, metabolic activity and electrophysiological information through fusing preoperative CT, MRI, PET and intraoperative ultrasonic images; real-time dynamic registration is realized by using an electrocardio gating driven biomechanical model; superposing the multi-color coding navigation information to the visual field of the thoracoscope through a wavelength selection type spectroscope; a dynamic risk scoring model is constructed based on the distance, the speed and the tissue vulnerability, and three-level grading intervention is triggered; a miniature force feedback actuator is integrated to realize closed-loop control; and pre-operation virtual drilling and post-operation federal learning optimization are supported. The system remarkably improves the surgical precision and safety, and is suitable for high-difficulty heart minimally invasive surgeries such as mitral valve repair and atrial fibrillation ablation.

The present application relates to a kind of snare cutting knives for endoscope, including proximal handle, tube body assembly, cutting assembly and limiting component;Proximal handle is equipped with limiting sliding slot;The proximal end of tube body assembly is connected with proximal handle, and the distal end of tube body assembly is equipped with insulating protection tube;Cutting assembly includes cutting ring and cutting head, and cutting head is set to the distal end of cutting ring;Limiting component includes sliding part and limiting control wire, sliding part is slidably arranged in limiting sliding slot, and the proximal end of limiting control wire is fixedly connected with sliding part, and sliding part is used to drive limiting control wire axial movement;When limiting control wire moves to the distal end of insulating protection tube, cutting head and insulating protection tube abut each other and are fixed;When limiting control wire exits insulating protection tube, cutting head can continue to move relative to insulating protection tube.

The utility model relates to a self-adaptive pressure tourniquet which comprises a fixing band body, the unfolding face of the fixing band body is in a sector shape with the upper portion wide and the lower portion narrow, rope drawing grooves are formed in the upper end and the lower end of the fixing band body along the edges, corresponding drawing ropes are arranged in the rope drawing grooves, and the other ends of the drawing ropes are movably connected with contraction blocks. The upper end of the side, attached to the skin, of the fixing band body is fixedly connected with a first air bag, the lower end of the side, attached to the skin, of the fixing band body is fixedly connected with a second air bag, and the fan-shaped tourniquet with the wide upper portion and the narrow lower portion can better adapt to differences of limb shapes and sizes of different patients; according to the tourniquet, the fixing band body is arranged, the attaching degree of the fixing band body and the limb is further adjusted through the drawing rope, the tourniquet can be tightly attached to the limb parts with different thicknesses, the multiple air bags can distribute pressure more evenly, and the risk of tissue ischemia and even necrosis caused by uneven pressure is reduced.

The invention is directed to a hemostasis therapeutic compression system including an apparatus and system to stop bleeding and assist recovery at a wound location. The hemostasis therapeutic compression apparatus includes a bladder having a transparent portion to visualize the bleeding wound location as well as having one side with an interface pressure sufficient to stop bleeding at the wound site, and the wrap has as an elongated tab as part of a hook and loop portion for self-application by the user or patient. The hemostasis therapeutic compression apparatus includes compression not just on the bleeding wound site but alongside the site for increased and faster recovery and less complications. The transparent portion of the bladder may be in the shape of a circle, oval, kidney, elongated kidney, square, rectangle, "U", "C", and other known shapes depending on the size and location of the bleeding wound site on the limb.

The invention relates to the technical field of data processing, in particular to an intelligent wrist type hemostasis device and a control method thereof. The method comprises the following steps: controlling the intelligent wrist hemostasis device to start pressurizing, and collecting a PPG signal of a user; recording a pressure value when the PPG signal disappears or the waveform amplitude of the PPG signal is reduced to a target threshold value; determining initial target pressure according to the pressure value; controlling the intelligent wrist hemostasis device to reach target pressure, and collecting physiological data of the user under the target pressure; inputting the physiological data into a trained risk early warning model to obtain a risk coefficient and a risk type; if the physiological data meet the preset pressure reduction condition, step-type pressure reduction is carried out; in the maintaining stage of the stepped pressure reduction, if the risk coefficient is larger than or equal to a second threshold value, the intelligent wrist type hemostasis device is controlled to return to the target pressure before pressure reduction, early warning is triggered, and the compression time is prolonged. According to the method, the hemostatic effect and safety can be improved.

The invention relates to the technical field of ischemia training, in particular to a limb ischemia pre-adaptation training method and device.The limb ischemia pre-adaptation training method comprises the steps that feature parameters, training purposes and cuff feature parameters of an individual AOP of a target user are collected; inputting the obtained feature parameters of the individual AOP of the target user, the training purpose and the feature parameters of the cuff into a pressure prediction model, and outputting a pressure value; inputting the obtained blood vessel health coefficient, the limb perimeter, the pressure value and the training purpose into a pressure blocking time prediction model, and outputting pressure blocking time; according to the method, the optimal pressure value under different training scenes can be dynamically predicted, so that the physiological requirements of different training targets are met, and then the blood vessel health coefficient and pressure application blocking time prediction model is introduced, so that the blood vessel health coefficient and pressure application blocking time prediction accuracy is improved. The training safety is further optimized, and tissue damage caused by too large pressure or too long time is avoided.

The embodiments of the present specification provide a clip device. The clip device comprises a sheath, a clip arm and a receiving tube, the receiving tube is releasably connected with the sheath, the clip arm comprises at least two clamping parts, the proximal ends of the at least two clamping parts are movably arranged in the receiving tube, the clip arm is opened when the clip arm moves distally relative to the receiving tube, the clip arm is closed when the clip arm moves proximally relative to the receiving tube, and the receiving tube is further used for locking the clip arm.

The invention belongs to the technical field of radial artery compression hemostats, and particularly relates to a radial artery hemostasis method based on real-time pulse analysis and a hemostat control system. A slow and continuously changing force is applied to a radial artery puncture opening through the pressure applying module, meanwhile, the pulse detection module transmits a pulse forced feedback signal of the puncture opening to the main control module in real time, and the main control module analyzes and processes the received feedback signal in real time and judges the current hemostatic state of the radial artery. And on this basis, the pressure applying module is controlled to adjust the pressure. The method is characterized in that the relation between pulse forced feedback signals and the forced state of the radial artery is obtained through clinical tests according to the difference of the pulse feedback signals of the radial artery in different pressed states, and therefore the pressure is stabilized in the state that the blood flow of the radial artery is stable and a puncture opening does not bleeding. According to the scheme, the individual difference between different patients can be overcome, the compression hemostasis strength is adjusted in a self-adaptive mode, and the occurrence rate of related complications such as radial artery occlusion is effectively reduced.

The utility model discloses a hand-operated wrench assembly, a hand-operated knife return device and an electric anastomat, the hand-operated wrench assembly comprises a hand-operated wrench handle, a hand-operated wrench shaft sleeve and a hand-operated wrench rotating shaft, and the hand-operated knife return device comprises a hand-operated wrench assembly, a knife return gear shaft, a knife return transmission gear, a motor gear and a rack. The tool retracting gear shaft and the tool retracting transmission gear can be driven to move upwards by rotating the manual wrench assembly, the tool retracting transmission gear is separated from the motor gear, the rack can be driven to retract through the tool retracting transmission gear by continuously rotating the manual wrench assembly, manual tool retracting is achieved, and the electric anastomat comprises a manual tool returning device. By means of the mode, when the electric gear is rotated upwards through the lower half section of the wrench assembly, the middle section of the wrench is kept static, the tool retracting transmission gear can be easily pulled out, the wrench is further used as a torsion input tool after being pulled out, manual tool retracting is achieved, operation difficulty and failure risks are reduced, large torque is generated with small force, and the tool retracting transmission gear can be pulled out easily. And rapid manual tool retracting is achieved.

The invention discloses a shapeable surgical instrument with a locking device, relates to the technical field of medical instruments, and is particularly suitable for single-port endoscopic surgery. The device comprises an outer rod assembly, an inner rod assembly and a handle assembly, the outer rod can be shaped into any continuous space curve by hands and keep the shape, and the problems that a traditional straight rod instrument cannot reach a narrow operation area, and a pre-bending instrument cannot be shaped secondarily are solved. The inner rod is a flexible force transmission element, the far end is connected with the tong head assembly, and the near end is connected with the handle assembly through a detachable locking device. The locking device drives a radial movable block (a sphere or a cylinder) to clamp the inner rod through an axial movable block, so that quick disassembly and assembly are realized; and the tong head can be synchronously driven to rotate (through the rotating wheel) and open and close (through the rear handle) in cooperation with the handle assembly. According to the design, the instrument is divided into three independent parts, namely the handle, the outer rod and the inner rod, an inner hole of the outer rod is thoroughly exposed, the problem that postoperative cleaning and sterilization are not thorough is solved, and the infection risk is reduced.

The invention relates to the technical field of medical instruments, discloses a surgical instrument, and particularly relates to a shapeable surgical instrument suitable for single-port endoscopic surgery, which comprises an inner rod assembly, an outer rod assembly and a handle assembly. The outer rod assembly is made of annealed metal (such as pure copper or copper alloy), can be shaped by hands and is kept in a bent form; the inner rod is a nickel-titanium alloy multifilament or a stranded rope, and low-resistance rotation in a bending state is achieved. The handle rotating wheel drives the inner rod to rotate and is matched with the axial push-pull of the rear handle, so that the 360-degree real-time angle adjustment and opening and closing actions of the working part (forceps piece / scissors) are controlled by a single hand, and the forceps piece / scissors do not need to be taken out of a body. The problems that a traditional straight rod instrument cannot reach a narrow area, a pre-bending instrument cannot be adjusted in an operation, and an existing shaping instrument needs in-vitro angle adjustment of two hands are solved, the operation efficiency is improved, and the cleaning and sterilizing time is shortened.

The invention discloses a minimally invasive surgical instrument, and belongs to the technical field of medical instruments, the minimally invasive surgical instrument comprises a tail end tool, an operating part, a power transmission part and a connecting part, the connecting part comprises a linear part connected with the tail end tool, a bending part connected with the operating part and a spherical pair mechanism used for connecting the linear part and the bending part; the inner side of the spherical pair mechanism is provided with an inner path for smooth transition of a jaw wire, the spherical pair mechanism is provided with a rotary limiting shaft and a locking assembly, the rotary limiting shaft is configured to enable the bent part to do pitching rotation action relative to the linear part, the locking assembly comprises a locking unit and a control unit, and the locking unit is configured to provide locking force for the spherical pair mechanism. The control unit is a locking wire for connecting the locking unit and the locking operation part, and the locking operation part is reversely interlocked with the spherical pair mechanism. By adjusting the angle between the linear part and the bent part, the wrist of a doctor is located at a comfortable moving position, so that the flexibility of the wrist in the operation process is improved, and the fatigue feeling of the doctor is reduced.

The invention provides a life support stretcher. The life support stretcher is internally provided with a controller and an air bag pressurization binding belt used for binding the wounded, wherein a vital sign data detection unit is arranged in the air bag pressurization binding belt; the life promotion data specifically comprises heart rate, breathing parameters, blood pressure, body temperature and oxyhemoglobin saturation; the controller is used for controlling the air pressure in the air bag pressurization binding belt according to the vital sign data, detected by the vital sign data detection unit, of the wounded, and dynamically adjusting the binding tightness degree through a multi-modal data fusion algorithm and wound part recognition. Thus, when the life support stretcher is used for transferring a wounded person, the air bag pressurization binding belt can be used for binding the wounded person, the vital sign data of the wounded person can be detected through the vital sign data detection unit in the air bag pressurization binding belt, and then the controller can control the wounded person according to the detected vital sign data. And the air pressure in the air bag pressurizing binding belt is controlled, so that the trauma to the wounded caused by bumping is reduced.

The utility model relates to the technical field of compression hemostasis devices, in particular to a compression hemostasis device for clinical nursing, which comprises a fixing plate and a compression hemostasis rubber head, the fixing plate is semicircular, the inner wall of the bottom of the fixing plate is fixedly connected with a fixing block, and the outer wall of the top end of the fixing block is fixedly connected with an arc-shaped plate. A sponge pad is bonded to the inner wall of the arc-shaped plate, a second clinical nursing compression belt is fixedly connected to the outer wall of one side of one side of the top end of the fixing plate, and a first clinical nursing compression belt is fixedly connected to the outer wall of the other side of the other side of the top end of the fixing plate. The top compression hemostasis rubber head can slide on the compression belt and can be conveniently and accurately adjusted to a bleeding position, the limb bottom supporting structure can be bent and folded, so that the side face of the limb is attached and limited, the compression stability is further improved, and hemostasis failure caused by limb sliding is prevented; and the use efficiency of the compression hemostasis device for clinical nursing is improved.

The utility model provides an endoscope clamping type arc-shaped needle puncture device, which is characterized in that a clamping control piece controls a matching space of a locking piece to be tightened, so that the locking piece is fixedly connected with an arc-shaped suture needle; the rotating control piece controls the connecting piece to rotate relative to the mounting frame from the initial position, and the connecting piece drives the arc-shaped suture needle to rotate relative to the shell so that the arc-shaped suture needle can penetrate through the mucosal tissue of the human body. After the connecting piece moves to the final position, reverse operation is carried out to enable the connecting piece to return to the initial position, and the operation is repeated for multiple times so that the arc-shaped suture needle can repeatedly rotate by 360 degrees to suture the mucosal tissue of the human body; due to the fact that the locking piece can be fixed to any position of the arc-shaped suture needle, the arc-shaped suture needle can be driven to rotate by any angle, the precision requirement for matching between the locking piece and the arc-shaped suture needle is lowered, and when the arc-shaped suture needle punctures a hard human mucosa tissue and is blocked or the rotating stroke is not enough, the arc-shaped suture needle can be driven to rotate by any angle. The locking piece can timely adjust the fixed position point so as to provide enough puncture force and rotation stroke for the arc-shaped suture needle.

A hemostasis device configured to apply a compressive force to a puncture site of a patient's vessel, such as an artery of the foot, is disclosed. The hemostasis device may include a compression member having a plurality of tabs and an inflatable bladder. A plurality of bands may be used to position and maintain the compression member over the puncture site until hemostasis is achieved are releasably coupled to the plurality of tabs. A first band can wrap around the ankle, a second band can wrap around the foot, and a third band can extend between two toes or around a toe. The hemostasis device may also comprise an inflation port in fluid communication with the inflatable bladder.

The air pressure type radial artery hemostat comprises a hemostat body which is detachably arranged on the wrist of a patient and provided with a plurality of compression air bags, and the multiple compression air bags are provided with puncture mark points which are arranged in a connected mode so as to be matched with the radial artery puncture position of the patient. The hemostat body is provided with inflation ports communicated with the multiple compression air bags, the inflation ports are communicated with a control air valve through an air pipe, the control air valve has multiple quantitative deflation modes for automatic pressure reduction, and the end, away from the air pipe, of the control air valve is connected with an inflation device. A pressure visible structure is arranged between the control air valve and the air pipe to reflect the hemostasis pressure applied to the wound of the patient by the multiple compression air bags. According to the radial artery compression hemostat, initial pressure applied to a wound of a patient can be visually and quantitatively displayed, the applied pressure can be automatically adjusted according to the compression hemostasis condition of the patient, meanwhile, compared with a traditional radial artery compression hemostat, the manufacturing cost is not remarkably increased, and the use requirements of clinicians are met.

According to the method and device for the endoscope to automatically follow the instruments, the electronic equipment and the storage medium, the actual focusing center and the real-time video of the endoscope are firstly obtained, then the real-time video is processed, the current operation stage is recognized, the real-time position information and the weight of each instrument in the real-time video are obtained, and the real-time position information and the weight of each instrument in the real-time video are obtained; the weights of the instruments and the corresponding position information are subjected to weighted fusion, the semantic attention center of the endoscope is obtained, and finally the focus center of the endoscope is adjusted according to the actual focus center and the semantic attention center. According to the technical scheme, the weight and the semantic attention center of each instrument are calculated by fusing the multi-dimensional features of the basic data, and finally, the logic of the focusing center of the endoscope is dynamically adjusted, so that intelligent following in a multi-instrument collaborative scene is realized, the defects of single instrument tracking and lack of semantic adaptation in the prior art are overcome, and the tracking efficiency is improved. And the flexibility and the accuracy of the automatic following instrument of the endoscope are improved.

The utility model belongs to the technical field of tourniquets, and particularly relates to a spinning tourniquet which comprises a self-adhesive tape, a buckle shaped like a Chinese character'ri 'is fixedly connected to one end of the self-adhesive tape, a screwing mechanism is arranged on the self-adhesive tape, and the screwing mechanism is close to the buckle shaped like the Chinese character'ri'. The screwing mechanism comprises a pressurizing assembly arranged on the self-adhesive tape, the pressurizing assembly is in transmission connection with a screwing assembly, a self-locking structure is arranged in the screwing assembly, a timer is arranged on the screwing assembly, and a marking pen is detachably connected to the screwing assembly. The spinning tourniquet is provided with the timer and the marking pen, a user can conveniently record the hemostasis time, and the situation that the hemostasis effect is poor due to the short hemostasis time or the limbs are damaged or necrotic due to the long hemostasis time is avoided.

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 invention relates to the technical field of medical nursing instruments, in particular to an obstetrical post-cesarean wound nursing device which comprises a binding belt, a binding part is arranged on the binding belt and fixedly connected with a first locking assembly, an abdominal cover belt is arranged between the two ends of the inner edge of the binding belt, and second locking assemblies are arranged at the two ends of the abdominal cover belt. Symmetrical positioning assemblies are arranged on the inner edge wall of the abdominal cover belt and used for positioning the wound position of a puerpera, and anti-skid assemblies are arranged on the surfaces of the positioning assemblies. An adjusting assembly is arranged on the side, away from the abdomen cover belt, of the inner edge wall of the binding belt, in the binding process of the binding belt, when the puerpera sweat, the anti-skid assembly can improve the contact stability of the binding belt and the skin of the puerpera, and the adjusting assembly dynamically adjusts the tightness of the binding belt according to the enhanced binding acting force. By designing a wound covering and positioning structure, a dynamically-adjusted binding contact mechanism and a binding force dynamic compensation mechanism, the technical defect that the nursing belt is loosened due to wound traction and mattress sweat during postpartum movement of a puerpera is overcome.

The invention provides a wound hemostasis device for the emergency department, and relates to the technical field of wound hemostasis. The wound hemostasis device for the emergency department comprises an inflatable hemostasis air bag, and a constant-temperature film bag is fixedly connected to the lower surface of the inflatable hemostasis air bag. During working, a second infusion pump is started and pumps water in a constant-temperature water storage tank through a second infusion pipeline, the water enters a constant-temperature film bag through a fourth infusion pipeline, the temperature of a wound is guaranteed, meanwhile, a first infusion pump is started, a first water valve on a first infusion pipeline is opened, and a second water valve on a second infusion pipeline is opened. Water in the constant-temperature film bag is pumped through the first liquid pumping pipeline, and finally the water enters the constant-temperature water storage tank, so that the water in the constant-temperature film bag is always in a constant-temperature state, the temperature is ensured to be close to the optimum point of thrombin reaction, platelet aggregation and fibrin formation can be accelerated, and the method is safe and efficient, can minimize tissue damage, and is suitable for clinical application. And the hemostasis speed is accelerated.

The invention discloses a dressing-change-free intelligent compression healing promoting device after cardiac pacemaker implantation. The dressing-change-free intelligent compression healing promoting device comprises a composite dressing, a polymorphic biosensor, a medicine injection hose, a pressure applying air bag, a thermoplastic material and an acceleration sensor, the polymorphic biosensor medicine injection hose and the pressure applying air bag are arranged in the inner layer of the composite dressing, the position, corresponding to an incision, of the medicine injection hose is arranged in the composite dressing, and one end of the medicine injection hose is connected with the antibiotic storage injector in a split mode; the thermoplastic material is integrally connected to the side, close to the clavicle, of the upper portion of the composite dressing, the acceleration sensor is arranged in the thermoplastic material, the pressure applying air bag is detachably connected with the air pump through the air adding hose, and the one-way valve is installed on the air adding hose. According to the dressing-change-free intelligent compression healing promoting device used after cardiac pacemaker implantation, the positions and the connection relation of all the components are defined, function cooperation is achieved, and the problems existing in an existing nursing mode are effectively solved.

A styptic harness tourniquet includes a casing with Velcro fastener. The casing contains a sling with windlass rod, and a buckle and a base on which a fixator and a strap are located. The buckle contains at least two holes, and the base contains at least six holes. The strap contains at least one hole. At least one hole of the buckle and at least two holes of the base contain teeth. At least one fixator of the buckle is located on the casing. At least two limiters are located on the fixator of the windlass rod. The holes in the buckle are arranged in at least two rows. At least one strengthening element is connected to the sling for at least one sixth of its length, and at least two protectors are located in the casing on both sides of the base.

An easily detachable inner core assembly and surgical instrument using the same, comprising an inner rod assembly and an outer tube assembly, the outer tube assembly comprising a base and a hollow outer tube. The inner rod assembly comprises a first jaw, a second jaw, a first connecting rod, a second connecting rod, a main pin, a retainer ring and a driving rod. The first jaw comprises a first jaw tail, and the second jaw comprises a second jaw tail. The main pin comprises a pin head and a pin flange. The first jaw tail and the second jaw tail are stacked together, and the retainer ring is fixed with the main pin or the second jaw tail, thereby fixing the first and second jaw tails between the pin flange and the retainer ring to form a first rotating pair that can rotate around the main pin. The first jaw tail and the first connecting rod match to form a second rotating pair, and the second jaw tail and the second connecting rod match to form a third rotating pair. The first connecting rod and the driving rod match to form a fourth rotating pair, and the second connecting rod and the driving rod match to form a fifth rotating pair. The inner rod assembly is installed in the outer tube assembly, wherein the main pin shaft matches with the base to form a quick detachable structure.

The invention belongs to the technical field of digital surgery, and particularly relates to a hysteroscope surgical robot control method and system based on multi-modal perception. The method comprises the steps of collecting multi-modal input signals such as visual, auditory, tactile, force sense and pose signals, uniformly performing time synchronization and perception track construction, and combining semantic behavior intention inference and tactile opportunity judgment to realize multi-dimensional consistency verification of operation instructions. And after the judgment result is valid, extracting control execution parameters, driving the mechanical arm to perform accurate operation, recording an execution process and updating a control threshold value to optimize feedback performance. The system comprises an input signal acquisition module, a six-dimensional force sensor module, a semantic inference module, a modal fusion module and the like, a closed-loop structure from sensing to control is constructed, and the operation precision, the interaction stability and the safety response capability of the hysteroscope robot in an operation are remarkably improved.

The invention relates to the technical field of medical instruments, and discloses a multifunctional laparoscopic gynecological surgical instrument which comprises a handle assembly, a forceps rod connected with the handle assembly, a forceps head assembly arranged at the end, away from the handle assembly, of the forceps rod and a suction assembly. The forceps rod is of a slender tubular structure, and a first channel and a second channel are arranged in the forceps rod side by side. The forceps head assembly comprises a fixed forceps seat, a movable forceps flap and a transmission connecting rod, one end of the transmission connecting rod is hinged to the middle rear portion of the movable forceps flap through a first rotating shaft, and the other end of the transmission connecting rod extends to the end, close to the handle assembly, of the forceps rod. The suction assembly comprises a suction tube and a suction head, the suction tube is arranged in the first channel, and the suction head is telescopically arranged at the far end of the forceps rod and communicated with the far end of the suction tube. The problems of low efficiency and operation risk caused by single instrument function and frequent replacement in a traditional laparoscopic gynecological operation are solved. The instrument realizes seamless fusion and rapid switching of three functions of suction, separation and clamping.

The invention provides an extrascopic rotary bone grinding device for spine endoscopic surgery, and belongs to the technical field of machinery. The extra-scope rotary bone grinding device for the spine endoscopic surgery comprises a handheld part and a driving assembly fixedly connected to the outer end face of the handheld part in a locked mode, and is characterized in that the driving end of the driving assembly is in shaft connection with a shaft rod, a grinding head is integrally manufactured at the outer end of the shaft rod, a plurality of grinding teeth are arranged on the peripheral face of the grinding head in a staggered mode, and a toothed trephine is arranged at the outer end of the grinding head; the outer wall of the shaft rod is sleeved with a protective outer sleeve, a liquid injection component is arranged on the inner layer of the protective outer sleeve, a scrap capturing component is integrally manufactured between the inner wall of the protective outer sleeve and the outer wall of the shaft rod, the inner ring wall of the scrap capturing component is in interference fit with the outer wall of the shaft rod, and one end of the interior of the scrap capturing component is in clearance fit with the outer wall of the grinding head. And in cooperation with the protective outer sleeve, the liquid injection component and the debris capturing component, the accuracy, safety and convenience of bone tunnel expansion operation in the spine endoscopic surgery can be effectively improved.

To provide a tissue traction device for an endoscopic procedure such as tissue dissection.SOLUTION: The present invention relates generally to the field of medical devices. Specifically, the present invention relates to a tissue traction device for an endoscopic procedure such as tissue dissection. For example, a tissue traction device includes first and second attachment members pivotably attached by first and second swivels to opposite ends of a stretchable traction band comprising a compliant or semi-compliant material.SELECTED DRAWING: Figure 1

The invention relates to the technical field of medical auxiliary instruments, in particular to a self-adaptive compression hemostasis device used after coronary angiography and a hemostasis method.The self-adaptive compression hemostasis device comprises an annular belt used for being worn, a pressure sensor, a humidity sensor, an air pump and a control panel, the pressure sensor and the humidity sensor are arranged on a detection part, and the inner side of the annular belt is provided with a pressure area used for covering a puncture position; an air bag is arranged in the pressure area, a detection part used for making contact with the puncture position is arranged on the inner side of the air bag, a catheter used for conveying air is arranged on the air bag, and the pressure area is constructed to apply compression force to the puncture position through air inflation of the air bag; the air pump is configured to achieve inflation pressurization and exhaust pressure reduction of the air bag by switching the current direction. The control panel is configured to use the control module to drive the air pump to adjust the state of the air bag by taking a preset hemostasis and safety threshold value as a reference so as to form continuous and dynamic self-adaptive adjustment on the compression force of the puncture part, and form negative feedback control on the self-adaptive adjustment by receiving the first electric signal and the second electric signal.