71 results about "Abdominal cavity operation" patented technology

The invention discloses a laparoscopic object obtainer and relates to a device for taking out and removing organs during surgical and gynecological abdominal cavity operations. The device comprises a casing gun and an elastic rigid sheet connected to the front end of the casing gun, wherein the elastic rigid sheet is provided with an object obtaining bag, the object obtaining bag is provided with a contracting ring along an opening, a binding rope is arranged in the contracting ring and extends outward, the elastic rigid sheet and the object obtaining bag are connected through connecting points, the object obtaining bag is made of high-strength TPU material, 20 to 40 of the connecting points exist between the elastic rigid sheet and the object obtaining bag, and the width of each connecting point does not exceed 20 wires. The object obtaining bag and the elastic rigid sheet adopt the connection of the connecting points and are easy to break, the object obtaining bag falls from the elastic rigid sheet, a bag mouth contracts at the same time, the casing gun can be easily drawn out of a casing sheath, and the object obtaining bag can be drawn out along with the casing sheath after the operation is finished, thus the secondary insult during the operation is avoided, the operation time is saved at the same time, and the problem that the object obtaining bag is torn during the drawing further to endanger the service safety is avoided due to the fact that the object obtaining bag is made of high-strength TPU material.

The invention discloses a sealing device for a minimally invasive disposable puncture device, and relates to the sealing device matched with the minimally invasive disposable puncture device for use. The sealing device is a surgical instrument which is matched with minimally invasive endoscopy and suitable for laparoscopy and establishment of abdominal cavity operation working channels in the surgery process. The sealing device comprises a locking and fixing cover, an elastic sealing ring assembly, a compaction ring and a positioning guide cover; the upper end of the locking and fixing cover is provided with an installation platform which is provided with a plurality of positioning pillars; the elastic sealing ring assembly comprises an elastic sealing ring, elastic cloth, an upper fixing ring and a lower fixing ring; the elastic cloth is adhered to two sides of the elastic sealing ring; the upper fixing ring is fixed with lower fixing ring installation holes; the lower fixing ring is provided with sealing ring positioning protruded pillars; the upper fixing ring and the lower fixing ring are arranged on two sides of the elastic sealing ring to which the elastic cloth is adhered respectively; the elastic sealing ring assembly is arranged on the installation platform at the upper end of the locking and fixing cover; and the positioning guide cover is fixed on the upper part of the compaction ring through welding.

The invention discloses a parallel mechanism capable of performing spatial apocenter movement and relates to a parallel mechanism, aiming at solving the problem that when the apocenter movement with an incision as the center is performed through a serial robot during an abdominal cavity operation, as a serial mechanism is large, complex and relative weak in anti-interference capability, the incision effect of the finished operation is subpar and the incision quality of the abdominal cavity operation is affected. The parallel mechanism comprises a base, a movable platform, instruments, a set of UPR moving branch chains and two or three sets of UPRR moving branch chains, wherein four technical schemes are generated through the change of the relative position between the base and the movable platform and the change of the connection relationship between a central sway rod and the movable platform, the base is annular; the movable platform is arranged right above or below the base and the instruments are connected with the movable base. The parallel mechanism has the advantages that the structure is smart and simple, the movement interference can be reduced and the movement precision is high; the mechanism can be used in clinical operations.

The invention relates to a medical minimally invasive operation instrument, in particular to a semicircular working sleeve for a single-hole laparoscope. The semicircular working sleeve comprises a handle and a sheath connected with the handle, wherein the end face of the handle is provided with a plurality of channels, an air filling valve and an air inlet valve; the air filling valve is communicated with an air path of an inflatable air bag arranged on the concave surface at the inner side of the sheath; and the air inlet valve is connected with a carbon dioxide gas source. The semicircular working sleeve is characterized in that the handle, the sheath and the inflatable air bag form a semicircular shape. The invention has the advantages that the semicircular design of the end face of the handle increases the area and the space position for placing the plurality of channels, and a plurality of instruments can be put in; the semicircular sheath has small injuries to the abdominal wall during entering the abdominal cavity through the abdominal wall and is beneficial to the healing of an incision, and an instrument activity space is obviously increased; the port of a silicone tube is covered by an elastic soft material so as to ensure that the semicircular working sleeve for a single-hole laparoscope is easy to enter the incision of the abdominal cavity and have small resistance; and the end face of the handle forms a fusiform design. The invention can also be applied to operations with larger operation difficulties, such as rear abdominal cavity operations, front abdominal cavity operations, and the like.

The invention discloses a gastrointestinal surgery abdominal cavity operation puncture device. The gastrointestinal surgery abdominal cavity operation puncture device comprises a mounting frame, a puncture needle body and a driving mechanism for driving the puncture needle body to move, the driving mechanism is mounted on the mounting frame, the driving mechanism comprises a second U-shaped plate,a driving motor, a threaded rod and a movable block, and the mounting frame comprises an arc-shaped guide rod, a first U-shaped plate and a mounting sliding sleeve; the device is provided with the mounting frame and the driving mechanism, the first U-shaped plate moves along the length direction of an operating table to fix the device at a proper position of the operating table, a mounting sliding sleeve slides on the arc-shaped guide rod and is fixed through a second fastening bolt, so that any part of the human body can be punctured, the operation is simple, the convenience and the practicability are realized, the uniform-speed puncture can be realized, and the injury or discomfort of a patient caused by incapability of controlling the puncture speed and the puncture angle due to manualoperation is avoided.

The invention discloses a stomach enterochirurgia abdominal cavity operation puncture device, which comprises a handle, wherein the upper surface of the handle is provided with a PLC (Programmable Logic Controller); the input end of the PLC is electrically connected with the output end of a built-in battery; the built-in battery is arranged inside the handle; a fixing ring is arranged at the sidesurface of the handle; the inner side surface of the fixing ring is fixedly connected with a sleeve pipe; the side surface of the sleeve pipe is provided with an air supply valve; the inner side surface of the sleeve pipe is glidingly connected with a pushing rod; the lower surface of the pushing rod is provided with a puncture needle; the puncture needle penetrates out of the lower surface of thesleeve pipe; connecting rods are arranged at the two side surfaces of the pushing rod; and two electric telescopic rods are arranged on the upper surface of the fixing ring. The stomach enterochirurgia abdominal cavity operation puncture device uses an electric control mode to replace the manual operation of medical personnel; the puncture depth can be easily mastered; the operation precision isimproved; the use is convenient; the electric telescopic rods can be driven by the connecting rod to push the pushing rod to move, so that the puncture needle performs puncture; and through electric control, the puncture depth can be conveniently controlled.

The invention relates to a locking mechanism of a pair of abdominal operation forceps, which is a part in the pair of abdominal operation forceps and is mainly suitable for locking a forceps rod when the pair of abdominal operation forceps is used in the abdominal operation of a human body. The locking mechanism comprises a rotary shaft, a clamping block and a locking positioning pin, and is characterized in that rotary shaft locking holes are formed in the rotary shaft; the central lines of the clamping block, the locking positioning pin and the rotary shaft locking holes are on the same axis and are perpendicular to the central line of the rotary shaft; the locking positioning pin is integrally connected with the clamping block; the rotary shaft locking holes are formed in the circumference of the rotary shaft; and the locking positioning pin is matched with the rotary shaft locking holes to achieve the locking effect. The locking mechanism is reasonable in structure design; the neck part of the forceps rod can be bent at an angle of 0-60 degrees to easily reach the required part of an operator; and the forceps rod can rotate at the angle of 360 degrees and can be locked in a corresponding position, so that the operator can conveniently control the forceps rod. Therefore, the locking mechanism is convenient and reliable to use in the operation.

The present invention discloses a kind of Chinese medicine preparation for preventing and treating intestinal adhesion after abdominal cavity operation. The Chinese medicine preparation is prepared with six kinds of Chinese medicinal materials, including rhubarb, peach kernel, mirabilite, sufflower, corydalis tuber and radish seed, and through crushing into meal, mixing, alcohol reflux extracting, filtering the extracted liquid, concentrating, decompression drying, crushing to obtain fine powder and other steps to prepare granule, capsule, tablet, etc. The Chinese medicine preparation has obvious curative effect, no toxic side effect, low cost, convenient treatment and other features.

The invention belongs to the field of medical apparatuses, and particularly relates to a reducing puncture outfit. The reducing puncture outfit is an apparatus for the chest cavity and abdominal cavity endoscope check and the building of chest cavity and abdominal cavity operation working channels in the operation process. The reducing puncture outfit comprises a puncture cone, a puncture cannula, a valve body, a locking fixed cover, a positioning guide cover and a reducing mechanism, wherein the puncture cone comprises a lower cover of a fixed cover, the fixed cover and a puncture cone body; the puncture cannula comprises a sealing ring, and a mounting lug boss is arranged on the upper part of the puncture cannula; the valve body comprises an air injection valve, an air injection switch, a self-adjusting type sealing cap, and an air injection sealing sheet; the positioning guide cover comprises an upper fixed cover, a lower fixed cover and an elastic sealing ring; the reducing mechanism comprises a rotary cover, a shift disc, arc-shaped grooves, and four uniformly distributed slide blocks; the shift disc is arranged in the rotary cover, the four arc-shaped grooves are arranged on the shift disc, the four slide blocks are uniformly arranged in the arc-shaped grooves, one end of each slide block is connected with the interior of the shift disc, and the shift disc is shifted to drive the slide blocks to slide in the arc-shaped grooves, so as to conveniently adjust the slide blocks to form a hole diameter.

The invention relates to a pair of detachable and bendable insulating abdominal forceps, which is mainly applicable to abdominal operations of human bodies. According to the invention, a locking mechanism positioned which an adjusting and rotating mechanism and a handle is arranged; the locking mechanism is respectively connected with the adjusting and rotating mechanism and the handle; the locking mechanism comprises a clamping block, a locking locating pin and a rotating shaft, wherein a rotating shaft locking hole is formed in the rotating shaft; central lines of the clamping block, the locking locating pin and the rotating shaft locking hole are on the same axis and perpendicular to the central line of the rotating shaft; the locking locating pin is integrally connected with the clamping block; the rotating shaft locking hole is formed in the circumference of the rotating shaft; and the locking is achieved through matching between the locking locating pin and the rotating shaft locking hole; and the detachable and bendable insulating abdominal forceps provided by the invention have the advantages as follows: the structural design is reasonable; as the neck part of the forceps handle can be bent 0-60 degrees, the forceps are easy to reach a desired part of a surgery operator; as the locking mechanism is arranged, the forceps handle can rotate 360 degrees and can be locked in a corresponding position, so that the operator can conveniently control the forceps handle; and the forceps are convenient and reliable to use in surgical operation.

The invention discloses a handheld instrument for laparoscopic operation, and relates to the field of thoracic and abdominal cavity minimally invasive surgical medical equipment. The instrument includes an execution part and an adjustment part; the execution part includes clamping jaws connected with a pull rod through a No.1 slide block and a No.2 slide block, a clamp seat is connected with a rotatable screw sleeve, the screw sleeve is in screw connection with a deflection joint, the deflection joint is in clamp connection with a long tube through a guide groove, the long tube is connected with the adjustment part, and the adjustment part includes a handle mechanism; the pull rod passes through the clamp seat, the screw sleeve, the deflection joint and the long tube to be clamped into a handle groove of the handle mechanism; the front end of the handle mechanism is arranged in a shift wheel in a pass-through manner, and the shift wheel and a rotating sleeve are respectively axially fixed to two ends of a guide rail; the guide rail is provided with a guide rail groove, and a No.3 slide block and a No.4 slide block separately matched with inner ball grooves of the shift wheel and the rotating sleeve are arranged in the guide rail groove; and the No.3 slide block and the No.4 slide block are respectively connected with one steel wire rope, and the tail ends of the two steel wireropes are respectively connected with two sides of the deflection joint. The handheld instrument for the laparoscopic operation provided by the invention can realize small-radius deflection while realizing clamping, and is convenient for doctors to operate.

The invention relates to the technical field of medical appliances and discloses a puncture outfit applied to an anti-fouling laparoscopic surgery. A puncture casing is fixedly connected to the bottomof a fixation base, a seal cap is disposed above the fixation base, a valve is disposed on one side of the fixation base, a puncture sheath is disposed above the seal cap, a puncture rod is fixedly connected to the bottom of the puncture sheath, one end of the puncture rod penetrates inside the puncture casing, a limiting assembly is disposed outside the puncture casing, and a cleaning assembly is disposed inside the puncture casing. The limiting assembly is disposed, so that a doctor can determine a position for insertion before the surgery, and organs in an abdominal cavity can be protectedfrom being hurt due to an excessive depth of the insertion position, which may hurt a patient and cause death of the patient in case of a serious situation; and the cleaning assembly is disposed, blood or contaminants outside the puncture rod can be cleaned, and sterilization cotton is disposed and can realize effective sterilization treatment of an appliance when the appliance is inserted, so that occurrence of infection is avoided.

The invention relates to a laparoscope specimen bag capable of automatically opening and closing. The bag mouth of a bag body is of a two-layer structure which consists of an outer layer and an inner layer; an inflation chamber is communicated with an air pipe; the other end of the air pipe is connected with an inflation/deflation control device; the inflation/deflation control device comprises a valve body; the valve body is formed by butting a left valve body and a right valve body; one end of the right valve body is a closed end; an inflation hole is formed in one end of the left valve body; a baffle, a piston and a spring I are arranged in the cavity of the valve body; the cavity of the valve body is divided into two parts by the baffle; a through hole is formed in the central position of the baffle; the through hole is provided with an airtight film; the piston is arranged in the cavity between the baffle and the closed end of the valve body. The specimen bag disclosed by the invention is used for abdominal operation, and during the operation process, the specimen bag is put in an abdominal cavity; automatic opening of the bag mouth of the specimen bag can be realized; moreover, after a specimen is placed in the specimen bag, the bag mouth automatically contracts, and the process of taking out the specimen is convenient and fast.

The invention discloses an incision expander for a pleuroperitoneal cavity operation, which includes a left half body, a right half body and a double-hole connecting piece, wherein the right half body includes a right half body front assembly and a right half body rear assembly; the left half body, the right half body and the double-hole connecting piece form a controllable four connecting-rod structure by four pin shafts; the shape of the four connecting-rod structure can be changed when a handle is pressed, and the four connecting-rod structure is stable when shaped like a triangle, and an expansion piece for connecting the left half body and the front side of the right half body front assembly is at the maximum opening degree at the time. The incision expander has the automatic locking and closing functions, can be opened or locked when a surgeon exerts pressure, and can be closed when the surgeon continues to exert pressure, so that the operation is very convenient; the structure is simplified, the production cost is reduced, cooperation of all parts is reasonable, tiny parts are not involved, and the service life is long.

The invention discloses an abdominal cavity port. The abdominal cavity port comprises an outer tube, a poking core, a drainage tube and a fixing assembly, wherein the outer tube is a hollow transparent hose, one end of the outer tube is an insertion end, the other first end of the outer tube is an exposed end, and an air inlet hole is formed in the side wall of the exposed end; the poking core isa hollow transparent hard tube, is detachably inserted into the outer tube and extends out of the insertion end; the drainage tube is detachably inserted into the outer tube and extends out of the insertion end; and the fixing assembly is arranged on the inner wall of the insertion end and can fix the poking core or the drainage tube in the outer tube. The abdominal cavity port can smoothly drainhydrops in the abdominal cavity, various operations such as abdominal cavity operation and abdominal cavity drainage can be performed only by performing cathetering once, repeated cathetering is avoided, the operation time is shortened, and the risk of subsidiary injury caused by operation of entering the abdominal cavity for the second time can be reduced.

The invention discloses a novel gastrointestinal surgery abdominal cavity operation puncture device which comprises a puncture sleeve and a puncture needle body movably arranged in the puncture sleeve, a movable sealing ring is fixedly bonded to the circumference of the top end face of the puncture needle body, a puncture push rod is fixedly connected to the center of the top end face of the puncture needle body, and the movable sealing ring is fixedly connected to the bottom of the outer side of the puncture push rod in a sleeving mode. According to the novel gastrointestinal surgery abdominal cavity operation puncture device, after the puncture needle body is pulled out, the puncture sleeve is inserted into the abdominal cavity; gas in the abdominal cavity cannot leak to the outside fromthe puncture sleeve; pollution by external air is avoided, meanwhile, it is guaranteed that the internal air pressure of the abdominal cavity operation puncture device is stable, it is guaranteed that follow-up operations of doctors are stably conducted, the puncture needle body does not need to be directly pulled out of the abdominal cavity of a patient manually by doctors, and the trouble of pulling out the puncture needle body is greatly reduced.

The invention relates to a sampling bag for a laparoscopic surgery. A bag opening of a bag body has a double-layer structure consisting of an outer layer and an inner layer, and an inflatable cavity is communicated with an air pipe, wherein an inflation and deflation control device is connected to the other end of the air pipe, and comprises a valve body; an inflation hole communicated with the air pipe is formed in one end of the valve body; a baffle plate, a piston and a spring I are arranged in a cavity of the valve body; the baffle plate divides the cavity of the valve body into two parts; a through hole is formed in the central position of the baffle plate; an airtight thin film is arranged at the through hole; the piston is arranged in the cavity between the baffle plate and the sealed end of the valve body. The sampling bag is used for the laparoscopic surgery, and is placed in an abdominal cavity during the surgery, and the bag opening of the sampling bag can be automatically opened, and is automatically tightened after a sample is placed, so that the whole sample taking process is convenient and rapid.

The invention discloses a gastrointestinal surgery abdominal cavity operation puncture device which comprises an external fixing mechanism used for supporting, an inner side fixing mechanism used for adjusting the angle, an angle adjusting mechanism and a suction mechanism used for driving a puncture needle to suck, and the inner side of the external fixing mechanism is connected with the inner side fixing mechanism. The inner side fixing mechanism is connected with the angle adjusting mechanism, the inner side of the angle adjusting mechanism is connected with the suction mechanism, the suction mechanism is connected with the puncture needle, the external fixing mechanism is provided with a locking mechanism, and the outer side of the inner side fixing mechanism is provided with a control button. The initial height and position of the device can be adjusted through cooperation of the external fixing mechanism and the inner side fixing mechanism, so that subsequent operation is facilitated, the puncture angle of the puncture needle can be adjusted and the puncture depth can be automatically controlled through cooperation of the angle adjusting mechanism and the suction mechanism, and therefore the puncture accuracy and operation convenience are guaranteed.

The invention relates to a bracket for a single-incision abdominal cavity operation, which comprises a base (1), a plurality of sleeve channels distributed in the base (1), and sleeves (2) inserted in each sleeve channel, wherein one end of each sleeve (2) is provided with a sleeve cap (3), and the other end thereof penetrates through and extends out of the base (1), and a push rod (4) is inserted in one of the sleeves (2). The invention has the advantages of small wound, less pain and quick recovery, and can prevent the forming of a scar.

The invention provides an auxiliary device for natural orifice transluminal endoscopic surgery, which comprises a support rod; a fixing block fixed at one end of the supporting rod; a sliding block arranged on the supporting rod in sleeving manner and capable of reciprocating along the supporting rod; and at least three first elastic sheets distributed at intervals, the first end of the first elastic sheet being hinged to the fixing block, the second end of the first elastic sheet being hinged to the sliding block, and a permanent magnet being arranged on the inner surface of the first elasticsheet. According to the invention, the first elastic sheet is bent and arched by pushing the sliding block on the supporting rod; a larger operating space is formed within a target surgical area; surgical tools such as a laparoscope, an illumination light source and a clamp for abdominal surgery can be anchored in the operating space through the permanent magnet on the first elastic sheet; and therefore, It is convenient for doctors to perform surgery. The need for special surgical tools for natural orifice transluminal endoscopic surgery is avoided, so that the technical problem that a common abdominal operating instrument cannot meet the requirements of natural orifice transluminal endoscopic surgery is effectively solved.

The present invention relates to a robot system for abdominal surgery, which comprises a voice recognition device configured to receive voice and recognize the received voice; a visual navigation device configured to identify the acquired image of the laparoscopic surgery; a controller electrically connected with the voice recognition device and the visual navigation device respectively, wherein the controller is configured to generate control instructions respectively based on a voice recognition result of the voice recognition device and an image recognition result of the visual navigation device so as to operate the robot system for the abdominal surgery; a mechanical arm device configured to operate a laparoscope which is connected with the mechanical arm device and is used for an abdominal surgery according to the control instruction of the controller; and an intraoperative diagnosis auxiliary device configured to assist a doctor in recognizing anatomical details and anatomical variations of the surgical target by converting the human body part corresponding to the abdominal surgery into a three-dimensional model.

The invention relates to the technical field of surgical instruments, provides a dripping type suction electric hook for an abdominal cavity surgery, and aims to solve problems that although an existing single-pole electric hook can achieve the purpose of cutting coagulation, a large amount of heat and smoke can be generated in the cutting coagulation process, tissue is adhered to a front-end hook, surgical continuity and surgical efficiency are affected, and surgical safety is affected; the operation smoke affects the operation visual field and brings biological safety hazards to the operating room environment. The operating room smoke aspirator comprises an insulating handle formed through injection molding, the insulating handle is hollow, a through aspiration hose connector is integrally formed at the tail end of the insulating handle, and an aspiration tube is inserted into the insulating handle; a front end of the suction tube extends out of the insulating handle and is fixedly connected with a metal hook, and the section, located in the outer cavity of the insulating handle, of the suction tube is sleeved with an insulating sleeve. The electric hook is especially suitable for laparoscopic surgery and has high social use value and application prospect.

The invention discloses a kidney-retroperitoneal-operation opening device. The kidney-retroperitoneal-operation opening device comprises an electric gas pump, a hand gas pump and a ball sac. The electric gas pump, the hand gas pump and the ball sac are connected to three ends of a three-way gas transmission tube respectively, one-way valves are arranged on two gas transmission tube sections connected with the electric gas pump and the hand gas pump, and a gas discharging valve port is arranged on one gas transmission tube section connected with the ball sac. According to the kidney-retroperitoneal-operation opening device, the ball sac capable of inflating and deflating is used as a main member of the opening device, and in the structure, the volume is small, and incisions entering the body can be reduced; due to a gas opening mode, harm to the human body is small, opening operation is easy, the opening state is easy to keep, the working strength of medical workers is reduced, and the consistency and the safety of an operation are also improved. The kidney-retroperitoneal-operation opening device is simple in structure, low in cost and good in application effect.

The invention discloses a combined medical drainage instrument capable of being rapidly converted for an abdominal cavity operation, and relates to the technical field of drainage devices. The combined medical drainage instrument capable of being rapidly converted for the abdominal cavity operation comprises a square cylinder, a main drainage bottle, a handle assembly, springs, a fixing mechanism and a secondary drainage bottle. Under the condition of massive haemorrhage or more drainage liquid, once the main drainage bottle is about to be filled with sucked liquid, a ball-shaped tube is opened by utilizing the gradually increased gravity of the liquid, and a T-shaped rod is held and rotated without removing a negative pressure machine and liquid suction tube on the main drainage bottle filled with the liquid from a negative pressure tube and a drainage tube respectively; then the negative pressure machine and the liquid suction tube are connected onto a negative pressure tube and drainage tube of a new drainage bottle respectively, and the disassembling and assembling steps are omitted, and accordingly, continuous drainage can be realized, the drainage efficiency is improved, time is saved, and the problems that the liquid is prone to leak and the liquid flows back due to disassembling and assembling can be avoided; only bolts need to be unlocked when a door board is opened; and the medical drainage instrument is simple and is easy to operate.

The invention belongs to the technical field of medical equipment and particularly relates to an AR-based high-simulation abdominal cavity operation dummy and a simulation training method of the AR-based high-simulation laparoscopic surgery dummy. The AR-based high-simulation laparoscopic surgery dummy comprises a human body model and an AR system. The AR system comprises a positioning system andan AR display device. An operation cavity is formed in the abdominal cavity of the human body model. A tissue simulation filling layer is filled in a gap between organ models in the operation cavity,wherein the organ models are detachably arranged in the operation cavity. The operation cavity is provided with a cover plate. The cover plate comprises a cover plate framework and a first silica gellayer wrapping the cover plate framework. The first silica gel layer is provided with a simulation incision. The lower end of the cover plate is fixedly provided with an inflation bag. The inflation bag is connected with an inflation pump. The back of the human body model is provided with an installation cavity, and the inflation pump is arranged in the installation cavity. The method is used forsolving the problems that an AR simulation system for medical treatment is not accurate enough in touch and pressure feeling and the like, single visual simulation experience is prone to generating visual fatigue, the simulation bring-in feeling is poor, and the training effect of a trainee is affected.

The invention provides a gastrointestinal surgery abdominal cavity operation puncture device, and relates to the field of medical equipment. The gastrointestinal surgery abdominal cavity operation puncture device comprises a base, the sides, away from each other, of the top of the base are fixedly connected with supporting frames respectively, a through hole is formed in the center of the top of the base in a penetrating mode, limiting sliding grooves are formed in the sides, close to the two supporting frames, of the top of the base respectively, and first threaded rods are arranged on the sides, close to each other, of the two supporting frames respectively; and the two first threaded rods penetrate through the supporting frames. After a puncture task is completed, a needle body is clamped by rotating a first grip and pushing two limiting cylinders to slide, a limiting gasket limits the needle body to prevent the needle body from sliding, and then a second grip is rotated to enable a second threaded rod to fix a limiting ring to prevent loosening caused by rotation of a first limiting rod. The use effect is good, and the problem that the needle body is shaken due to manual clamping in the prior art is effectively solved.