5480results about "Tourniquets" patented technology

The invention discloses an endoscope with a built-in grabbing mechanism, and relates to the technical field of medical instruments. According to the technical scheme, the device comprises a clamp assembly, a driving outer pipe and a driving inner wire; the grabbing mechanism further comprises a grabbing mechanism shell, a first moving seat and a second moving seat, wherein the first moving seat and the second moving seat are arranged in the grabbing mechanism shell. The near end of the driving outer tube is connected with the first moving seat, and the near end of the driving inner wire is connected with the second moving seat; when the second moving seat is fixed relative to the grabbing mechanism shell, the first moving seat moves towards the far end direction relative to the grabbing mechanism shell so as to control the clamp assembly to execute the clamping action. According to the invention, the clamping action is carried out while forward extension is carried out, so that high-precision operation is facilitated, and tissues can be accurately clamped; and moreover, the grabbing mechanism is integrated in the endoscope handle, so that accurate single-hand control is facilitated, meanwhile, the clamping action is controlled in a button mode, the human engineering is met, and operation is convenient.

The invention discloses a flexible mechanical arm driving system for minimally invasive interventional surgery, a flexible mechanical arm comprises a hollow first sleeve assembly which is coaxially configured, the first sleeve assembly comprises an inner tube and an outer tube, the inner tube and the outer tube are thin-walled tubes, the inner tube is arranged in the outer tube in a penetrating manner, and the inner tube and the outer tube are fixedly connected at the far end part; the inner tube and the outer tube are each provided with a straight tube section at the near end and a deformation section at the far end, and the deformation sections can be bent and deformed when the inner tube is pushed / pulled. The driving system comprises an instrument assembly and a driving module assembly; a driving driven module is arranged in the instrument assembly, and the flexible mechanical arm is connected with the driving driven module; a driving driving module and a PCB control board are arranged in the driving module assembly, the driving driving module is in transmission connection with the driving driven module, and the driving module assembly is used for driving the flexible mechanical arm to do linear, rotating and bending movement. The driving device is used for driving the coaxial antagonism tubular flexible mechanical arm to achieve bending, rotating and linear motion, full-automatic control can be achieved, and the control accuracy and safety are high.

The invention provides a first-aid tourniquet pressure monitoring and automatic alarm system, and relates to the technical field of pressure monitoring. The system comprises a biological reaction monitoring module, a pressure adjustment analysis module, a real-time pressure adjustment module, a safety threshold detection module and an emergency response activation module. According to the invention, through real-time monitoring of biological reactions, changes of micro blood flow, skin electrical impedance and tissue morphology of a patient after the patient uses the tourniquet are captured, so that monitoring of individual reactions is more comprehensive, the safety and effect of pressure are evaluated in combination with the actual physiological state of the patient, monitoring is more dynamic and personalized, and the monitoring accuracy is improved. Through the combination of pressure real-time adjustment and emergency response, it is ensured that when the pressure exceeds a safety range, pressure adjustment is conducted rapidly, warning is given out through an alarm, secondary injury caused by improper pressure is avoided, the use safety and response speed of the tourniquet are improved, tissue injury of a patient can be more accurately prevented, and the patient can be more accurately protected. And the real-time effectiveness and safety in the emergency treatment process are ensured.

The invention relates to the field of medical instruments, in particular to a marine war wound hemostasis fixing device which comprises a framework, a hemostasis module, a fixing module and an intelligent monitoring module are mounted on the framework, the framework comprises a plurality of angle-adjustable split arc-shaped assemblies, and the arc-shaped assemblies are connected in series through flexible connecting pieces; the hemostasis module comprises a gradient pressure air bag assembly, the gradient pressure air bag assembly comprises a central pressurizing bag and a peripheral stabilizing bag, the gradient pressure air bag assembly is communicated with a multi-stage air pump assembly, and the multi-stage air pump assembly is installed on one side of the framework; the intelligent monitoring module comprises a controller, an acceleration sensor, a pressure sensor, a microwave blood flow sensor and a biological impedance monitoring electrode, and the multistage air pump assembly, the acceleration sensor, the pressure sensor, the microwave blood flow sensor and the biological impedance monitoring electrode are all in signal connection with the controller. The invention aims to overcome the defects in the prior art, and provides an efficient, reliable and intelligent solution for maritime war wound first aid.

The invention relates to the technical field of medical apparatus and instruments, and discloses a multi-degree-of-freedom flexible arthroscope bite forceps which comprise a handle shell, a rigid connecting pipe is fixedly connected to the front end of the handle shell, and a driving handle is hinged to the rear end of the handle shell; the bite forceps assembly comprises a flexible pipe and a bite forceps head, one end of the flexible pipe is connected with the rigid connecting pipe, the bite forceps head is detachably connected with the other end of the flexible pipe, and the driving handle is connected with the bite forceps head and is configured to enable the bite forceps head to be meshed when the driving handle is pinched; the control assembly comprises two control pieces, the two control pieces are arranged in the handle shell respectively, the top ends of the two control pieces stretch out of the handle shell to be fixedly connected with a rotary knob, and the two control pieces are connected with the bite forceps head respectively and are configured to drive the bite forceps head to conduct vertical / transverse angle adjustment when the rotary knob is manually screwed. Multi-degree-of-freedom rotation operation of the arthroscope bite forceps is achieved, the operation flexibility of surgeons is guaranteed, and the operation efficiency is improved.

The angiography auxiliary device comprises a bandage and a hemostasis mechanism, adjusting air bags are symmetrically arranged on the two sides of the bandage, one end of each adjusting air bag is connected with an air conveying pipe, and one end of each air conveying pipe extends to the outer side of the bandage and is connected with an inflation air bag; the hemostasis mechanism comprises a shell, a pressurization plate, a hemostasis plate and an induction pressurization assembly, one end of the shell is fixedly connected with one end of the bandage, and the other end of the shell is detachably connected with the other end of the bandage through a movable loop bar assembly; a mounting groove is formed in the bottom of the shell, a pressurizing plate moves in the mounting groove, the two sides of the pressurizing plate are supported upwards through elastic supporting pieces in the mounting groove, and a hemostasis plate is detachably mounted at the bottom of the pressurizing plate; the upper end of the pressurizing plate is driven by the induction pressurizing assembly to achieve displacement, the induction pressurizing assembly comprises a miniature air pump, a supporting air bag, an air release valve and a pressure detection unit, the lower end of the supporting air bag abuts against the upper end of the pressurizing plate, and the pressure detection unit can accurately measure the compression strength of the hemostasis plate in real time and can conduct automatic pressurization according to a preset pressure value. Meanwhile, the problem of excessive compression or insufficient compression is also avoided.

The invention relates to the technical field of medical apparatus and instruments, in particular to a pressure-visible automatic decompression radial artery compression hemostat which comprises a base, a fixing box is fixedly mounted at the upper end of the base, two sets of fixing rods are fixedly connected to the two sides of the base, and the outer surfaces of one set of fixing rods are movably sleeved with a bandage. A radial artery pressing block is installed at the bottom of the base, and a pressing mechanism is arranged in the fixing box. Through the arrangement of the compression mechanism, the pressing distance of the hemostatic pad is controlled according to a set pressure value, the pressure reduction time and the number of turns of the threaded rod driven by the automatic control driving motor to rotate are set according to the time point needing pressure reduction and the amount needing pressure reduction, the pressing strength on a puncture part is reduced every time when the pressure reduction time point is reached, and the puncture effect is improved. The situation that a doctor cannot adjust the hemostat in time is avoided, the doctor is reminded to check and observe whether the skin color of the puncture part of the patient is abnormal or not through the loudspeaker and the wireless communication module, and therefore pressure can be adjusted in time.

The invention belongs to the technical field of medical instruments, and particularly relates to a postoperative hemostasis nursing device for thoracic surgery rehabilitation, which comprises a nursing box and a plastic cushion block arranged on one side of the nursing box, a controller is mounted on the side wall of the nursing box, a detachable gauze pad is mounted at the bottom of the plastic cushion block, and the postoperative hemostasis nursing device further comprises a pressure cylinder, a pressure cylinder is fixedly connected to the side wall of one side of the plastic cushion block in an inserted mode, a movable piston is arranged in the pressure cylinder in a sliding mode, and a supporting spring is fixedly arranged between the movable piston and the inner wall of the pressure cylinder; the connecting block is arranged on one side of the pressure cylinder, and the connecting block and the moving piston are jointly provided with a tension detection mechanism. According to the device, the binding force on the incision of a patient can be automatically adjusted, the situation that the pressure borne by the incision is increased due to breathing of the patient is avoided, cold compress compression can be continuously conducted on the incision, wound healing is promoted, meanwhile, continuous disinfection and bacteriostasis treatment can be conducted on the periphery of the incision, and the protection effect on the incision is good.

The invention belongs to the technical field of radial artery haemostat, and particularly relates to a multifunctional radial artery haemostat which comprises a base, a haemostasis sliding hole is formed in the top of the base in a penetrating mode, a haemostasis pressure piece is arranged in the haemostasis sliding hole in a sliding mode, mounting grooves are formed in the two ends of the base, and a bandage is fixedly mounted between the two mounting grooves jointly. The bandage is made of flexible non-woven fabric, and the hemostasis pressing piece comprises a compression internal thread tube which is installed in the hemostasis sliding hole in a sliding mode. After a medical worker stops pressing the two pressing blocks, a reset spring pushes the friction tile to reset under the action of resilience force, and the abutting effect with the friction ring is relieved, that is, after the medical worker stops pressing the two pressing blocks, if the twisting sleeve rotates again, the adjusting screw cannot be driven to rotate, and therefore the pressing inner threaded pipe cannot move upwards or downwards, and the medical worker cannot be damaged. The twisting sleeve is prevented from rotating and hurting the wound of the radial artery of the patient again, and the safety protection performance of hemostasis is improved.

The utility model relates to the technical field of medical auxiliary equipment, in particular to a multifunctional internal arteriovenous fistula training instrument which comprises a first module and a second module, and the second module acts on the proximal end of a fistula. The first module is connected with the second module and has a pressure applying state for applying pressure to limbs to prolong the pressurizing duration of the fistula, a pressure releasing state for quickly releasing the pressure to the limbs and a pressure measuring state for measuring the blood pressure of the limbs, and the first module comprises an electric control assembly which is in control connection with the second module; the electric control assembly controls the second module to be switched among the pressure applying state, the pressure releasing state and the pressure measuring state. Through the arrangement, the normativity of fistula training operation is improved, the fistula is accelerated to become thick, strong and mature, and the training effect is remarkable.

The invention provides a negative pressure suction sheath which comprises a sheath tube, a negative pressure connector and a dilator, the negative pressure connector comprises a main channel cavity and a negative pressure suction channel cavity located on one side of the main channel cavity, the near end of the sheath tube is connected with the far end of the main channel cavity, and the dilator is inserted from the near end of the main channel cavity and extends out of the far end of the sheath tube. The main channel cavity is detachably connected with the main channel cavity; a side channel opening is formed in one side of the main channel cavity, and the negative pressure suction channel cavity communicates with the side channel opening. The cavity wall of the main channel cavity is further provided with a pressure adjusting opening, the pressure adjusting opening corresponds to the side channel opening or is located at the end, away from the sheathing canal, of the side channel opening, the negative pressure in the sheathing canal can be adjusted by adjusting the opening size of the pressure adjusting opening, and therefore an operator does not need to leave to adjust the negative pressure device to adjust the suction force in the sheathing canal. The negative pressure in the sheathing canal can be adjusted only by adjusting the size of the pressure adjusting opening in the handheld negative pressure connector.

The invention relates to the technical field of neurosurgical intelligent operations, and discloses a neuroendoscopic surgery intelligent puncture positioning system based on image navigation, and the system comprises a preoperative modeling module which constructs a preoperative tissue model and a corresponding elastic tensor field based on a three-dimensional medical image of a patient; the image fusion module is used for receiving the data of the preoperative modeling module, collecting intraoperative endoscopic images, predicting the tensor disturbance of tissues through a deep learning model, and feeding back the updated tensor disturbance to the tensor updating module; and the tensor updating module is in two-way communication with the image fusion module and is used for superposing tensor disturbance obtained by processing the intraoperative image with the preoperative tensor. Through fusion of an image navigation technology and preoperative modeling, a three-dimensional positioning frame based on neuroendoscopy operation requirements is constructed, intelligent planning and real-time correction of a puncture path are realized, important brain regions and vascular structures are effectively avoided, intra-operative risks are reduced, and positioning precision and safety are improved.

The utility model discloses a cardiovascular intervention postoperative artery wound compression device, which relates to the technical field of wound compression devices and comprises a shell, two sides of the shell are movably connected with two sides of a bandage, an adjusting mechanism is arranged at the bottom of the shell and comprises a circular ring, and the inner side of the circular ring is slidably connected with the bottom of the shell. The inner side of the shell is slidably connected with a pressing block, the front portion and the rear portion of the pressing block are both fixedly connected with threaded blocks, the outer sides of the threaded blocks are in meshed connection with the inner side of a circular ring, the inner side of the top of the shell is rotationally connected with a rotating disc, the bottom of the inner side of the pressing block is fixedly connected with the bottom of a rack, and one side of the rack is in meshed connection with the front portion of a gear. One side of the gear is fixedly connected with a worm, the rear portion of the worm is connected with a worm gear in a meshed mode, through the adjusting structure, the effect that the compression pressure can be observed is achieved, and the problem that in a traditional wound compression device, the wound compression force cannot be accurately controlled according to the pulse pressure of a patient is solved.

The invention discloses a blocking sheathing canal device for bleeding in a robot bronchoscope operation and a bronchoscope system, and belongs to the technical field of medical instruments. The blocking sheathing canal device comprises a guide pipeline, a blocking balloon, a medium channel and a pressure device; a pipe cavity is formed in the guide pipeline, and the robot bronchoscope enters a focus position through the pipe cavity; the blocking balloon is arranged at the far end of the guiding pipeline, can expand and deform in the radial direction of the guiding pipeline in the pressure state and is used for blocking the bronchus or / and the lumen; the medium channel is arranged on the guide pipeline, the pressure device is communicated with the near end of the medium channel, and a pressure medium is injected into the plugging balloon through the medium channel; under the bleeding condition, the balloon can be rapidly inflated through the pressure device at the near end of the guide pipeline, so that the balloon is expanded and deformed to completely block the gap between the guide pipeline and the bronchus, the emergency bleeding in the robot bronchoscope operation is blocked, and the safety of the robot bronchoscope operation is improved; and popularization and application of the robot bronchoscope operation are promoted.

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 invention provides a visual catheter with perfusion and suction functions, the catheter comprises a catheter body and a camera shooting assembly, the catheter body comprises an operation part and an intubation tube from the near end to the far end, the camera shooting assembly comprises a camera installed at the head end of the intubation tube, and the operation part is connected with the camera shooting assembly. The operation part comprises an operation part shell, and a perfusion joint, a suction joint and an instrument inlet which are arranged on the operation part shell; a main channel extending in the longitudinal direction, at least one liquid drainage channel and at least one instrument channel allowing instruments to pass through are arranged in the cannula, and the main channel, the liquid drainage channel and the instrument channel are arranged in a separated mode.

Disclosed are methods and devices for obtaining patent hemostasis of the radial artery by compressing the uninstrumented ulnar artery to increase radial artery flow. The device comprises a band having an inflatable bladder for applying blunt pressure to the ulnar artery. The method comprises applying a pressure to the homolateral ulnar artery and applying a pressure to the radial artery at the access site to obtain hemostasis at the access site. The method further comprises administering an anticoagulant to a patient at a dose ranging from about 20 units per kg of body weight to about 30 units per kg of body weight.

The invention discloses a constipation patient defaecation device and mobile terminal integrated system based on endoscope visualization and air bag assistance, and relates to the technical field of medical instruments, the constipation patient defaecation device comprises a display terminal, a connecting line, an operating handle and a comprehensive pipe, and the two ends of the operating handle are connected with the connecting line and the comprehensive pipe respectively. According to the non-invasive, high-safety and portable constipation patient defecation device, through the integrated design of endoscope real-time visual positioning, air bag auxiliary mechanical defecation and mobile terminal data interaction, the invasive operation pain is reduced, the defecation time is shortened, the complication risk is reduced, and the constipation patient defecation efficiency is improved. The pressure sensor monitors the internal pressure of the air bag in real time and feeds back the internal pressure to the dynamic pressure upper limit module and the mobile terminal in real time, and double protection of a hardware pressure release valve and software pressure limiting is triggered when the pressure exceeds the limit. The problems of high intestinal injury risk, low treatment efficiency, limited application scene and the like caused by operation blindness, function singleness or high invasiveness in the prior art are solved.

The utility model relates to the technical field of medical auxiliary products, and specifically to a filled hemostatic patch, comprising an application body, and a first strap and a second strap arranged at the left and right ends of the application body, wherein a squeezing block is slidably connected to the bottom of the application body, and a liquid-absorbing swelling material is filled between the squeezing block and the application body, and the liquid-absorbing swelling material is sealed in the squeezing block by a hemostatic cotton patch, and has double squeezing protection. During the hemostasis process, the liquid-absorbing swelling material can first be expanded by exuding blood, and the squeezing block is forced to push the squeezing block to compress the bleeding position, so as to stop the bleeding at the bleeding position, and when the expansion squeezing effect is not ideal, the secondary auxiliary squeezing of the bleeding position is achieved by the pressure belt until the purpose of hemostasis is achieved, thereby solving the problem that the squeezing force of the hemostatic application in the prior art is difficult to control, the squeezing force needs to be manually adjusted, and the use is inconvenient, which leads to poor hemostasis effect.

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 invention relates to an adjustable electric intracavity cutting stitching instrument, and relates to the technical field of stitching instruments. The device comprises a handle, a rotating head, a suturing rod and a suturing head, the suturing rod is connected with the handle, the suturing rod is sleeved with an outer pipe, the handle is used for driving the outer pipe to move in the length direction of the suturing rod, and the rotating head is rotationally connected to the handle, fixed to the outer pipe and used for driving the outer pipe to drive the suturing rod to rotate. The sewing head is rotatably connected to the end, away from the handle, of the sewing rod through a rotating assembly, a driving assembly is arranged on the sewing rod, connected with the rotating assembly and used for driving the rotating assembly to rotate, a handle and a rotating motor are arranged on the rotating head, the rotating motor is connected with the driving assembly through an electromagnetic clutch, and the handle is rotatably connected to the rotating head. And the base is fixed with the driving assembly. According to the invention, manual or automatic adjustment can be carried out according to conditions so as to realize the effect of accurate control or rapid control.

The invention relates to the technical field of medical instruments, and discloses a pedal control type urinary surgery ureteroscope perfusion pressure pulse adjusting device which is characterized in that the piston head in the middle of three groups of piston heads is inserted into a liquid injection cavity, and the piston heads on the two sides are inserted into a pressure cavity; the three sets of piston heads can inject liquid and high-pressure gas into the control valve cavity from the liquid injection cavity and the pressure cavity. A pedal control mechanism is innovatively introduced, a worker treads a pedal frame in a reciprocating mode, controls liquid to clean a lens and flushes broken stones in a matched mode, the rhythm of treading flushing can be better controlled through autonomous reciprocating treading of a doctor, the situation that an assistant needs to repeatedly use an injector and an extension tube for pushing injection in a traditional urinary surgery is avoided, and the working efficiency is improved. The problems that doctors need to be frequently matched with nurses, the examination concentration of the doctors is easily affected are solved, operation is more efficient, and the problem that the injectors are repeatedly replaced is solved.

The invention relates to the technical field of medical instruments, and provides a pneumoperitoneum machine pressure measurement abnormity control method which comprises the following steps: acquiring air inlet pressure, pressure measurement pressure and smoke exhaust pressure; calculating a difference value between the air inlet pressure and the pressure measuring pressure and a difference value between the pressure measuring pressure and the smoke exhaust pressure; when the difference value between the air inlet pressure and the pressure measuring pressure is larger than a first preset difference value and smaller than a second preset difference value, and the difference value between the pressure measuring pressure and the smoke discharging pressure is larger than a third preset difference value and smaller than a fourth preset difference value, the pressure measuring pressure is selected as display pressure; otherwise, starting a first pressure measurement abnormity detection program. By monitoring the difference value between the air inlet pressure and the measured pressure and the change of the difference value between the measured pressure and the smoke exhaust pressure, pressure monitoring abnormity caused by equipment faults in the operation process can be recognized, the equipment stability is improved, and the operation risk is reduced.

The invention relates to the technical field of medical instruments, and discloses a pulling forceps type continuous-shooting hemostatic clip capable of turning, rotating and repeatedly opening and closing, the pulling forceps type continuous-shooting hemostatic clip comprises a hemostatic clip assembly and an inner guide assembly which are sequentially connected in an outer tube assembly, the hemostatic clip assembly comprises two hemostatic clips, a hemostatic clip transmission block and a hemostatic clip sleeve, and the front end of each hemostatic clip is provided with a buckling part; the rear ends of the two hemostatic clips are hinged to the front end of a hemostatic clip transmission block, a clamping part is arranged on the rear portion of the hemostatic clip transmission block, the hemostatic clip transmission block penetrates through the hemostatic clip sleeve, and the clamping part is connected with the buckling part of the adjacent hemostatic clip on the rear side in a clamped mode. An opening and closing mechanism for opening or closing the two hemostatic clips is arranged between the two hemostatic clips and the hemostatic clip sleeve; a protruding part is arranged on the outer side of the hemostatic clip sleeve, and a reducing part matched with the protruding part is arranged at the front end of the outer tube assembly. According to the hemostatic clip, tedious operation steps of a doctor can be reduced, operation time is saved, resource waste is reduced, operation efficiency is improved, and operation cost is reduced.

The utility model discloses a magnetic traction operation field exposure system magnet adjusting structure and a traction device, and relates to the technical field of medical instruments.The magnetic traction operation field exposure system magnet adjusting structure is applied to the traction device of an endoscope and comprises a driving source and an outer magnet connected with the driving end of the driving source, and the driving source drives the outer magnet to move; the magnet is used for getting close to or away from the inner magnet to adjust the magnetic force between the inner magnet and the outer magnet. According to the magnet adjusting structure and the traction device of the magnetic traction operation field exposure system, the magnitude of magnetic force can be controlled, and traction and release in the operation process can be accurately and conveniently controlled.

The invention belongs to the technical field of medical treatment, and discloses a laryngeal membrane implantation system combined with a central vein puncture device, which comprises a self-retaining laryngoscope, a hollow puncture needle, a catheter sleeved on the puncture needle, a skin expander, a metal guide wire, a central vein catheter, a non-absorbable suture and a laryngeal membrane. The puncture needle penetrates into the laryngeal cavity, and the catheter is retained. And guiding by using a metal guide wire, expanding the skin by using a skin expander, and smoothly placing into the central venous catheter. The central venous catheter is pulled out of the self-retaining laryngoscope, and the non-absorbable suture is reversely arranged along the tip of the catheter, so that the suture smoothly penetrates out of the larynx from the inside of the larynx to the outside of the larynx, the laryngeal membrane is firmly fixed on the larynx, and further adhesion of vocal cords is avoided. Components required by the invention are simple and easy to obtain. Compared with a traditional method, the method is simple and easy to operate, saves operation time and is easy to popularize nationwide.

The invention belongs to the technical field of medical equipment, and particularly relates to a cardiovascular intervention postoperative radial artery compressor which comprises a U-shaped base, a rubber sleeve is fixedly connected to the inner wall of the bottom end of the U-shaped base, a metal iron plate is fixedly connected to the upper surface of the rubber sleeve, and an auxiliary mechanism is fixedly connected to the outer wall of the metal iron plate. The radial artery compressor has a compression force visualization function, can help medical care to precisely regulate and control compression force, formulate a personalized scheme, facilitate real-time monitoring and data analysis, reduce the complication risk of a patient and improve the nursing effect, also has a skin heat preservation function, can promote local blood circulation, accelerate wound healing and relieve discomfort of the patient, and has a good application prospect. And the compressor has the functions of stabilizing a punctured arm and adjusting the height, and is beneficial to venous return, swelling reduction, reduction of blood deposition at a puncture point and improvement of the use reliability and effect of the compressor.

The utility model provides a slave hand device and a surgical robot, and relates to the technical field of medical equipment. The slave hand device comprises a base, a guide assembly, a telescopic assembly and a limiting assembly. The guide assembly is connected with the base, and the telescopic assembly is connected with the guide assembly, so that the telescopic assembly and the guide assembly can be fixedly installed. One end of the telescopic assembly can be connected with the surgical instrument piece, the telescopic assembly moves relative to the guide assembly in the telescopic direction, the surgical instrument piece can also move in the telescopic direction, and therefore the surgical instrument piece can be conveniently adjusted to the designated position. The limiting assembly can limit the telescopic assembly in the telescopic direction of the telescopic assembly, and excessive stretching of the telescopic assembly in the telescopic direction can be avoided. After the guiding assembly, the telescopic assembly and the limiting assembly are assembled in advance, the guiding assembly and the limiting assembly are installed on the base, then the telescopic assembly, the guiding assembly and the limiting assembly are installed in a matched mode, and therefore the modularization degree and the integration degree of the slave manipulator device are higher.

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 provides a laparoscopic surgery fetching bag with a fascia expansion function, and relates to the technical field of laparoscopic surgery instruments.The laparoscopic surgery fetching bag comprises a main pipe arranged on the outer side of the fetching bag in a sleeving mode, at least two guide shells, a connecting rod and a traction rod, and the at least two guide shells are located on the two opposite sides of the main pipe respectively; the lower end of the main pipe is rotationally connected with the guide shell, the interior of the guide shell is rotationally connected with one end of the connecting rod, and the other end of the connecting rod is connected with the traction rod. The traction rod is installed on the outer side of the main pipe and slides in the central axis direction of the main pipe. When the traction rod slides towards the side away from the guide shell along the main pipe, the connecting rod drives the guide shell to unfold, the expansion range of a muscle layer incision can be accurately controlled, the problem that a traditional fetching bag is difficult to penetrate through the incision due to expansion is solved, meanwhile, when the fetching bag is closed, the storage cavity formed by the guide shell can tightly wrap the fetching bag body, and the fetching bag is convenient to use. And the guide shell can be directly taken out, so that the friction damage of the fetching bag to the muscle layer is reduced.