10416 results about "Apparatus instruments" patented technology

The invention discloses an insertion tube and a manufacturing method thereof, an insertion part and an endoscope, and relates to the technical field of medical instruments, the insertion tube comprises an insertion body and an elastic tube, a first reinforcing layer and a second reinforcing layer are arranged in the insertion body, the second reinforcing layer is arranged outside the first reinforcing layer in a surrounding mode, and the first reinforcing layer is provided with a concave part. The first reinforcing layer and the second reinforcing layer can form double limiting and wrapping supporting on the elastic pipe, the concave shape of the concave part of the first reinforcing layer is utilized to be attached to the outer wall outline of the elastic pipe, and the outer side of the second reinforcing layer is matched for enclosing and restraining, so that the installation stability of the elastic pipe in the first channel can be greatly improved; bending moment generated by self-gravity, external force and the like of the elastic tube is effectively counteracted, the elastic tube is prevented from being bent under the action of self-gravity, external force and the like, the whole insertion tube is prevented from deforming along with bending of the elastic tube, and the form stability of the insertion tube in the cavity in the propelling process is guaranteed. And the straightness of a traction rope transmission path and the accurate conduction of a control instruction are ensured.

A multi-directional bending adjustment delivery device (100) and a valve delivery system. The present invention relates to the technical field of medical instruments and devices. The multi-directional bending adjustment delivery device (100) comprises a catheter assembly (200). The catheter assembly (200) comprises a bending adjustment tube (210). The bending adjustment tube (210) comprises a bending adjustment portion (211) and a straightening portion (212) that are rotatably connected to each other. The bending adjustment portion (211) comprises a plurality of snake bone units (2111) connected end to end. One end of each of the snake bone units (2111) is provided with a pair of first connecting lugs (2113), and the other end is provided with a pair of second connecting lugs (2114). Adjacent snake bone units (2111) are pivotally connected to each other by means of the first connecting lugs (2113) and the second connecting lugs (2114). The included angle between the line connecting the centers of the two first connecting lugs (2113) and the line connecting the centers of the two second connecting lugs (2114) of the same snake bone unit (2111) is 0-90°.

The invention discloses a sealing structure, a negative pressure suction sheath and an endoscope assembly, and belongs to the technical field of medical instruments. The sealing structure is used for the negative pressure suction sheath and comprises a first cover body detachably connected with the near end of a sheath base of the negative pressure suction sheath, a first through hole is formed in the middle of the first cover body, and a first air hole is formed in the radial outer side of the first through hole; the second cover body is arranged on the outer side of the first cover body in a sleeving mode and detachably connected with a sheath base of the negative pressure suction sheath, a second through hole is formed in the middle of the second cover body, and a second air hole is formed in the radial outer side of the second through hole; the second cover body and the first cover body are in sliding fit, and the overlapping opening degree of the first air hole and the second air hole is adjusted through relative sliding; the second cover body axially limits the first cover body and provides support when the endoscope is inserted, so that the first cover body is prevented from collapsing. The sealing structure is used for the negative-pressure suction sheath, the branch switch is prevented from additionally occupying the operation space, and the operation safety is improved.

The invention provides an absorbable bioprosthetic valve design method based on artificial intelligence and biomechanics. The absorbable bioprosthetic valve design method comprises the following steps: S1, constructing a performance demand system of a valve; s2, constructing a three-dimensional reconstruction model of the original lesion structure of the human body and a parameterized structure model of the valve; s3, establishing a first deep learning model for simulating interventional mechanical behaviors of the valve; s4, constructing a second deep learning model for predicting the relationship between the stress and the material degradation behavior in the long-term use process of the valve; s5, embedding the first deep learning model and the second deep learning model into a reinforcement learning framework; and S6, carrying out simulation and experimental verification based on a design result in the step S5, and evaluating the adaptability and reliability of the design parameters under the function requirements defined in the step S1. According to the method, the biomechanical theory and the artificial intelligence algorithm are fused, the structural parameter interpretability of the absorbable bioprosthetic valve design and the automation of the whole process are realized, and a new path is provided for the intelligent optimization design of the implantable interventional medical device with a complex structure.

The invention relates to a self-guiding ultrasonic treatment head and an ultrasonic treatment hand tool, and belongs to the technical field of medical instruments.The self-guiding ultrasonic treatment head comprises a treatment head shell, a sound transmission film, a moving shaft, an energy conversion assembly, a first sealing sleeve, a second sealing sleeve and a deflection force generation structure, and the sound transmission film covers a sound transmission opening of the treatment head shell in a sealing mode; one end of the moving shaft is movably inserted into the treatment head shell, the transduction assembly comprises an installation support and a transducer, a first limiting face is formed in the treatment head shell, the deflection force generating structure enables the installation support to deflect, and a first guide protrusion of the installation support abuts against the first limiting face all the time. According to the self-guiding ultrasonic treatment head and the ultrasonic treatment hand tool provided by the invention, the mounting bracket is deflected towards the first limiting surface through the deflection force generating structure, and the first guiding bulge always abuts against the first limiting surface, so that the movement straightness of the transduction assembly is improved, the movement of the transduction assembly is not excessively hindered, and the service life of the transduction assembly is prolonged. And the transduction assembly is prevented from moving and blocking or being locked.

The invention discloses a positioning device for uterus suspension under a single-port laparoscope, and belongs to the technical field of medical instruments. Comprising a posture adjusting assembly and a suspension assembly, and the suspension assembly is arranged on the posture adjusting assembly; the suspension assembly comprises a circular mounting plate arranged above the posture adjusting assembly, an arc-shaped ring is arranged on the edge of the circular mounting plate, a plurality of lifting ropes are arranged on the arc-shaped ring, one ends of the lifting ropes penetrate through the arc-shaped plate, the other ends of the lifting ropes are downwards suspended, a supporting plate is arranged on the lower portion of the posture adjusting assembly, and the supporting plate is arranged on the lower portion of the posture adjusting assembly. One end of the supporting plate is fixed to the posture adjusting assembly, a plurality of guide plates are arranged at the other end of the supporting plate, one ends of the guide plates are connected to the supporting plate, guide rings are arranged at the other ends of the guide plates, and the other ends of the lifting ropes are located in the guide rings. According to the technical scheme, the uterus suspension positioning device is used for conducting suspension positioning on the uterus so as to expose the operation view, and meanwhile the problem that an abdominal incision is extruded in the suspension positioning process is avoided.

The present application relates to the field of medical devices, and provides a back plate adjustable exoskeleton, comprising: a column structure and a control module, the column structure is slidably connected with a back plate mechanism, and a lower limb exoskeleton connected with the back plate mechanism, and the back plate mechanism is provided with a back plate which can move up and down relative to the back plate mechanism; further comprising: a binding device arranged on the lower limb exoskeleton and a foot bottom exoskeleton, the foot bottom exoskeleton is provided with a pressure sensor. When the human body wears the exoskeleton and changes from a sitting posture to a standing posture, the back plate mechanism adjusts the back plate mechanism along the column structure to the height matched with the user according to different body shapes of the user; and when the user changes the posture in the walking process in the standing posture, the foot bottom exoskeleton detects the change of the foot bottom pressure, so that the control module can control the up and down movement of the back plate relative to the back plate mechanism according to the foot bottom pressure to adjust the human body posture.

The invention relates to the field of medical instruments, in particular to an abduction assisting device for shoulder joints, which comprises a support, a support plate for bearing arms is hinged to the top of the support, and a driving mechanism, an adjusting mechanism, a fitting mechanism, a support mechanism and a locking mechanism are arranged on the support; the driving mechanism is used for driving the adjusting mechanism, the laminating mechanism and the supporting mechanism to operate synchronously; the adjusting mechanism is used for driving the supporting plate to rotate around the hinge point so as to adjust the abduction angle. The attaching mechanism comprises an air bag fixedly connected to the supporting plate, and the attaching mechanism is used for synchronously inflating or deflating when the angle is adjusted by the adjusting mechanism so as to be attached to the arm; the supporting mechanism is used for synchronously providing or releasing additional supporting force for the supporting plate when the adjusting mechanism adjusts the angle; the locking mechanism is used for locking the adjusting mechanism after angle adjustment is completed. The use process is simplified, the operation threshold is lowered, the rehabilitation preparation time can be saved, and the clinical use efficiency is improved.

The invention discloses a method and a system for testing corrosion fatigue of a bone implantation device under a pathological condition, and relates to the technical field of orthopedic medical device evaluation, and the method comprises the following steps: constructing a dynamic load spectrum database covering physiological and pathological states; in-vitro reproduction of a dynamic mechanical environment borne by the bone implantation instrument in physiological and pathological states is completed through a multi-axis servo system; and acquiring service state data of the bone implantation instrument, and analyzing the service state data of the bone implantation instrument to obtain coupling experiment data. According to the invention, the defects of single load mode and environment simulation distortion in the traditional test method are overcome, high-fidelity simulation and comprehensive monitoring of the corrosion fatigue behavior of the bone implantation device under the pathological condition are realized, the consistency of the in-vitro test result and the in-vivo actual service performance is improved, and the application prospect is wide. And a scientific and unified evaluation basis is provided for material screening, structure optimization and service life evaluation of different types of bone implantation instruments.

The invention relates to the technical field of medical instruments, in particular to an electromagnetic focusing extracorporeal shock wave pancreatic lithotripsy device and method.The electromagnetic focusing extracorporeal shock wave pancreatic lithotripsy device comprises a device body, a bed body is installed on one side of the device body through a supporting frame, and a lithotripsy notch is formed in the side, close to the device body, of the bed body; a large C-shaped arm and a small C-shaped arm installed on the inner side of the large C-shaped arm are installed at the position of the notch of the device body, an X camera imager is installed at the upper end of the large C-shaped arm, and a shock wave generator and an ultrasonic probe installed on one side of the shock wave generator are installed on the small C-shaped arm. An energy adjusting module used for controlling the shock wave generator and a safety detection module used for detecting the skin temperature are arranged in the device body, and a displayer and a human-computer interaction interface are arranged on one side of the device body. The technical scheme in the prior art has limitations on shock wave generation, positioning precision, energy regulation and control and treatment strategies.

The invention relates to a nerve monitoring monopole electrocoagulation hook for thyroid surgery and a surgical instrument, and relates to the technical field of medical instruments.The electrocoagulation hook comprises a nerve detecting piece installed at the front end of a handle, an insulating pipe body is arranged in the nerve detecting piece, a smoke suction channel and a sliding hole are formed in the insulating pipe body, and a rod body is slidably inserted into the sliding hole and connected with an external power source; the far end of the rod body is provided with a hook body bent relative to the rod body, and the surface, deviating from the smoke suction channel, of the hook body forms an electrocoagulation face. The hook body is provided with a first-stage heat conduction assembly, avoids the electrocoagulation surface and is in heat conduction connection with the electrocoagulation surface; one end of the second-stage heat conduction assembly is in heat conduction connection with the first-stage heat conduction assembly, and the other end of the second-stage heat conduction assembly extends into the smoke suction channel. Through the combined design of two-stage heat conduction and heat dissipation, heat generated by the electrocoagulation surface during coagulation and cutting can be rapidly conducted through the heat conduction assembly and is dissipated and taken away through cooperation of the smoke suction channel, so that the diffusion risk of the heat in adjacent nerves and tissues is reduced to a certain extent, and the operation safety and stability in an operation are improved.

The utility model belongs to the technical field of medical instrument ablation, and particularly relates to an ablation assembly applied to automatic operation and an automatic-operation medical device.The ablation assembly applied to automatic operation comprises a consumable handle provided with a first sliding groove; the first adapter block can linearly move in the first sliding groove; one end of the first catheter is connected with the consumable handle; the first connecting piece can be detachably connected with an external instrument and is arranged at the other end of the first catheter; the first sliding block is movably arranged in the first sliding cavity of the first connecting piece, and the first sliding block is connected with the first adapter block; the outer sheath tube is arranged on the first adapter block, and the first sliding block is connected with the first adapter block, so that the first adapter block can drive the outer sheath tube to do reciprocating linear movement relative to the consumable handle; the ablation electrode is arranged on the outer sheath tube and can be configured with ablation energy. By the adoption of the structure, automatic conveying of the outer sheath tube and the ablation electrode can be achieved, operation is convenient and fast, and control is easy.

The invention relates to the field of suturing systems of medical instruments, and discloses a suturing system. The suturing system includes a control handle, a tube, a receiving cartridge, and a needle. The control handle comprises a shell, a driving mechanism and a rotation indicating piece, the rotation indicating piece is rotatably connected to the shell, and a plurality of position marks are arranged on the periphery of the shell. An actuating shaft in the driving mechanism is coupled to a first gear, an actuating pipe is coupled to a second gear, and the first gear and the second gear are arranged in the longitudinal direction and rotate synchronously. When the rack moves longitudinally, the conversion gear can be driven to rotate so as to drive the first gear to rotate, and the first gear and the second gear respectively drive the actuating shaft and the actuating tube to do longitudinal reciprocating motion, so that the needle is alternately combined with the actuating tube and the receiving bin. The driving mechanism in the sewing system is reliable in structure, and the failure rate can be effectively reduced. In addition, the rotation indicating piece is used in cooperation with a position mark arranged on the shell so that the positions of the shell and the driving mechanism after rotation can be indicated, and operation is convenient.

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.

This invention relates to the field of medical devices, and more particularly to a valve clip with a locking mechanism, comprising a first clamping arm, a second clamping arm, a connecting member, a push-pull device, and a locking device. The locking device partially cooperates with the connecting member, and includes a locking head and a self-locking rod. The connecting member is hinged to the first clamping arm and the second clamping arm respectively. The clamping arm includes a long arm and a short arm. One end of the long arm is hinged to the push-pull device, and one end of the short arm is provided with a locking part. When the push-pull device is operated to increase the angle between the long arms of the first and second clamping arms, the locking part on the first clamping arm and the locking part on the second clamping arm are partially misaligned. When the push-pull device is operated to decrease the angle between the long arms of the first and second clamping arms, the locking device is moved to allow the locking head to engage with the locking part and lock.

The invention relates to the technical field of medical instruments, in particular to a split type hemorrhoid artery ligation hemorrhoid suspension operation positioning device and application thereof. The device comprises an outer sleeve and an inner sleeve, the inner sleeve is movably and / or rotatably arranged in a cavity of the outer sleeve, the outer sleeve is provided with an outer sleeve operation window, the inner sleeve is provided with an inner sleeve operation window, and the outer sleeve operation window and the inner sleeve operation window can be moved or rotated. The outer sleeve operating window and the inner sleeve operating window are at least partially aligned with each other at at least one operating window position; the outer sleeve and the inner sleeve longitudinally extend to at least partially form a cylindrical or conical or truncated cone-shaped structure, the outer sleeve forms a tubular shell main body and a shell split body along the longitudinal extension direction, and the side edges of the tubular shell main body and the shell split body are detachably connected; an optical unit is arranged on the shell split body so as to irradiate the cavity of the outer sleeve.

The invention relates to the technical field of medical instruments, in particular to a sensor assembly, which comprises a base and a sensor, and is characterized in that the base comprises a base and an upper cover arranged on the base; the sensor is arranged on the base, the upper cover is matched with the base to fix the sensor, and the implanted part of the sensor extends out of the base; a connection contact of the sensor is not shielded by the base, the connection contact is used for being connected with an electric connection mechanism on the emitter, and the connection contact of the sensor is not provided with a sealing mechanism; or, an electric connecting piece is arranged in the base, the connecting contact of the sensor is connected with the electric connecting piece, the electric connecting piece is used for being connected with the electric connecting mechanism on the transmitter, and the connecting contact of the sensor and the electric connecting piece are not provided with the sealing mechanism. Meanwhile, the invention further provides an emitter assembly and an implantation tool. Compared with the prior art, the sensor assembly, the emitter assembly and the implantation tool can reduce the material cost and improve the success rate of assembly and implantation of the sensor assembly.

The invention relates to the technical field of medical instruments, and provides a control method and a control system of an electric anastomat, and the control method comprises the following steps: executing a self-checking instruction; triggering the cutting knife to trigger the switch; detecting a motor operation rotating speed, a motor operation current and a motor operation voltage for driving the cutting knife in real time; calculating a motor operation torque according to the motor operation rotating speed, the motor operation current and the motor operation voltage; the cutting difficulty degree is judged according to the motor operation torque; and according to the cutting difficulty degree, the operation rotating speed of the motor is controlled. According to the control method of the electric anastomat, by setting the self-checking mode and indirectly calculating the running torque, the technical problems of high equipment production cost and high use cost are solved, and meanwhile it can be ensured that bleeding 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 provides a medication monitoring device and a medication monitoring method, relates to the field of medical apparatuses and instruments, and solves the technical problem that whether a capsule rotates to release medicines or not is difficult to monitor in a capsule type dry powder inhalation used in a transversely placed inhaler. The medication monitoring device comprises a shell and a photoelectric sensor, the photoelectric sensor is arranged on the shell, and a light path of the photoelectric sensor is configured to penetrate through the air inlet of the inhaler and the medicine bin, so that the rotation state of the capsule in the medicine bin is judged by detecting the change of the light path; the photoelectric sensor and the air inlet of the inhaler are arranged in a spaced mode in space so as to allow the inlet air flow to pass through. The rotation state of the capsule in the medicine bin is judged by detecting the change of the light path, whether the capsule rotates or not can be directly monitored, the problems that in the prior art, whether the capsule rotates or not cannot be known, and medicine taking failure caused by improper posture of the capsule cannot be judged are solved, effectiveness of medicine taking monitoring is ensured, and medicine taking guidance is facilitated.

The invention relates to the technical field of medical instruments, and discloses a flexible ureteroscope sheath device and a pressure control method thereof.The flexible ureteroscope sheath device is characterized in that one end of a connector tube seat is connected with a sheath tube, the other end of the connector tube seat is provided with three connectors, the first connector is connected with a pressure relief device and a control device, the second connector is used for a flexible ureteroscope and perfusion, and the third connector is used for negative pressure suction; a central channel is arranged in the sheathing canal, and passage type pressure measuring sensors are axially and uniformly arranged around the channel; the control device comprises an adjusting key, a digital display, an indicating lamp and a buzzer, and is electrically connected with the pressure measuring sensor and the pressure relief device; the control device comprises an automatic pressure relief module which is used for collecting analog voltage signals and converting the analog voltage signals into pressure data values, and when a detection value reaches a set threshold value, the electric control pressure relief device automatically relieves pressure. According to the invention, real-time and continuous detection and control of the pressure in the cavity are realized.

The embodiment of the application belongs to the technical field of medical instrument equipment, and relates to a trailing end of an interventional robot, which is used for delivering an elongated medical instrument, the elongated medical instrument comprising a guide wire and at least two catheters, the latter catheter being at least partially arranged in the former catheter, and the guide wire being partially arranged in the latter catheter; wherein the trailing end of the interventional robot comprises a driving device, a power device, a sensing device and a control device, the driving device, the power device and the sensing device are connected with the control device, and in an initial state, any catheter is clamped on two adjacent driving devices in a curved state. The technical scheme provided by the application can shorten the distance between adjacent driving devices through the curved arrangement of the catheter, reduce the overall size of the equipment, reduce the product cost, and be beneficial to product installation.

The invention relates to the technical field of medical instruments, in particular to a negative pressure flushing type rectal anastomotic fistula treatment device with a blocking balloon, which comprises a drainage tube, a balloon, an annular sponge sleeve, a water injection tube and a filling tube, the balloon is arranged at the near end of the drainage tube, and the filling tube is communicated with the balloon and used for filling media into the balloon to block an enteric cavity; the annular sponge sleeve wraps the outer side of the drainage tube below the balloon, and a side hole II is formed in the section, wrapped by the annular sponge sleeve, of the drainage tube; the water injection pipe is arranged on the drainage pipe and used for injecting flushing fluid into the annular sponge sleeve area. The far end of the drainage tube is used for being connected with a negative pressure device so that a continuous negative pressure drainage environment can be formed in the annular sponge sleeve area, the negative pressure flushing type rectum anastomotic fistula treatment device with the blocking balloon does not need to be placed under an endoscope and only needs to be placed under direct vision of an anoscope, and operation is easy; near-end intestinal juice can be blocked, and the influence of the intestinal juice on healing of an anastomotic stoma is reduced.

The invention discloses a traction structure, a handle and an endoscope, belongs to the technical field of medical instruments, and aims to solve the technical problems of difficulty in precision control and proneness to errors in a traction wheel assembly process in the prior art. The traction mechanism can be used for but not limited to an endoscope, the endoscope comprises a shell, and the traction mechanism is arranged in the shell. The traction structure comprises a driving lever and a traction wheel, and the driving lever is rotationally arranged on the shell and can rotate around a first axis relative to the shell; one of the traction wheel and the driving lever is provided with an inserting part, the inserting part penetrates through the shell in the first axis direction and is rotationally matched with the shell, and the other one of the traction wheel and the driving lever is provided with a socket part which is rotationally matched with the inserting part in a limiting manner and is buckled with the inserting part. According to the traction structure, the driving lever and the traction wheel are assembled and rotationally limited and connected through the buckling mode of the inserting part and the socket part, the structure is simple, assembling is easy, assembling and disassembling are convenient, and automatic production is facilitated.

The invention relates to the technical field of industrial robot precision assembly, in particular to an intelligent power position cooperative control and precision guarantee method and system which are suitable for micron-level precision scenes such as semiconductor packaging, medical instrument precision assembly and aerospace component butt joint. Real-time sensing of the assembly force-position state, self-adaptive adjustment of parameters, dynamic optimization of a path and online verification of quality can be realized, and the problems of force-position coupling interference, difficulty in guaranteeing precision and easiness in damaging parts in traditional assembly are solved.

The invention is suitable for the technical field of medical instruments, and provides a mechanical arm control method, computer equipment and a storage medium. The method comprises the steps that first motion data and first dynamic data of all joints of the mechanical arm at the current moment and second motion data and second dynamic data of all joints at at least one historical moment are obtained; determining acting force data of the end tool at the current moment according to the first motion data and the first dynamic data; determining target rigidity of the target object according to the first motion data, the first dynamic data, the second motion data and the second dynamic data; determining a force control law of the end tool at the current moment according to the acting force data, the target rigidity and the expected acting force of the end tool relative to the target object at the current moment; and according to the force control law and the expected pose data, determining the force-position hybrid control vector at the next moment, thereby reducing the damage to the target object while improving the pose control precision of the end tool.

The invention discloses a titanium nail assembling device, and relates to the field of medical instrument production. The mechanism comprises an anastomat carrier provided with an anastomat, a moving mechanism used for finely adjusting the position of the carrier, a plurality of sets of feeding and assembling clamping jaws and a multi-jaw opening and closing mechanism integrating a cam transmission assembly and a press-fitting assembly. The cam transmission assembly converts up-and-down movement of the Z-axis driving mechanism into synchronous opening and closing actions of the multiple sets of clamping jaws through cooperation of an installation frame body, symmetrical cam opening and clamping blocks, special-shaped guide through grooves in the symmetrical cam opening and clamping blocks, first idler wheels, sliding pins, guide sliding blocks and springs. The press-fitting assembly drives a strip-shaped pressing needle through a pressing air cylinder, synchronous pressing is conducted when the clamping jaw clamps the titanium nail, and precise assembling is completed. Synchronous taking and placing, accurate positioning and cooperative press fitting of multiple sets of titanium nails are achieved, the problems of low efficiency and poor consistency caused by single-claw sequential operation in the prior art are solved, and the automation level, the assembly precision and the production efficiency of anastomat titanium nail assembly are remarkably improved.

The invention relates to the technical field of medical apparatuses and instruments, and provides a limb traction device which comprises a traction seat used for fixing a limb of a patient and provided with a mounting via hole and a rotating hole, and the rotating hole and the mounting via hole are arranged at an interval and communicate through a mounting window; the basic shaft is arranged in the mounting through hole in a penetrating manner and is provided with a rack extending in the axial direction of the basic shaft; the driving mechanism comprises a rotating shaft rotationally connected into the rotating hole, a driving gear fixed to the rotating shaft and a clutch locking mechanism arranged on the rotating shaft; the driving gear is positioned in the rotating hole and is meshed with the rack through the mounting window; the clutch locking mechanism is matched with the traction seat, has a locking state and an unlocking state, and is provided with a driving end for receiving driving force; in the locking state, the clutch locking mechanism is in limiting fit with the traction seat to limit rotation of the rotating shaft; when the driving end receives driving force, the clutch locking mechanism and the traction seat are separated from limiting fit to be switched to an unlocking state, so that the rotating shaft drives the driving gear to rotate, and the traction seat is driven to slide along the basic shaft.

The invention relates to the technical field of medical instruments, in particular to a microneedle array device for skin. Comprising a shell, and the array assembly comprises a microneedle assembly and a driving assembly used for driving the microneedle assembly; the guide assembly is used for guiding the movement of the microneedle array; the detection assembly is provided with a high-frequency ultrasonic sensor and used for detecting the skin thickness. The data acquisition module acquires thickness information, and the data analysis module determines the target penetration depth of the microneedle and generates a control instruction according to the thickness information. And the microneedle driving module drives the microneedle to act after receiving the instruction. The penetration feedback module detects the actual penetration depth in real time and judges whether the actual penetration depth reaches the standard or not. And when the penetration is unqualified, the strategy regulation and control unit adjusts the driving strategy according to the deviation direction between the actual depth and the target depth, so that accurate and controllable micro-needle penetration is realized. The problems that medicine liquid cannot be effectively injected according to different skin thicknesses, and whether potential safety hazards exist in the actual penetration depth of the skin or not cannot be found in time are solved.

The invention discloses a transfer device for ultrasound contrast of an abdominal injury patient, and relates to the field of medical apparatuses and instruments. Comprising an examination bed, a longitudinal sliding adjusting mechanism, an ultrasonic examination mechanical arm, an image acquisition adjusting support, an image acquisition positioning mechanism, an ultrasonic probe pressing force acquisition mechanism, an ultrasonic probe clamping mechanism, an ultrasonic probe, a controller and an upper computer, the ultrasonic inspection mechanical arm is fixed to the second longitudinal sliding adjusting mechanism, the image collecting adjusting support is fixed to the upper portion of the ultrasonic inspection mechanical arm, the ultrasonic probe pressing force collecting mechanism is fixed to the front end of the ultrasonic inspection mechanical arm, and the ultrasonic probe clamping mechanism is arranged in the ultrasonic probe pressing force collecting mechanism in a sliding mode. The device can improve the efficiency of remote ultrasonic inspection and the standardization of the inspection; the device detects the pressing force applied to the abdomen by the ultrasonic probe through the pressure sensor.