533results about How to "Avoid stabbing" patented technology

A surgical device for suspending soft tissue in a procedure for elevation of the malar fat pad is constructed from a pair of shafts that are fused to the ends of two sutures, such that both sutures are fused at one end to a common shaft at the proximal end of the shaft, and at their other ends to a second common shaft at its proximal end. The distal ends of both shafts are free for insertion into incisions in the patient, and are blunt-tipped to avoid injuries to nerves or blood vessels. In certain embodiments, one of the sutures, termed the suspension suture, is threaded through an anchor graft, to engage and elevate the malar fat pad, the anchor graft preferably being ring-shaped to allow ingrowth of soft tissue.

The invention discloses a picking cart for prickly pear. The cart comprises a mobile mechanism, a cutting mechanism, a tightening mechanism, a conveying mechanism, a thorn removal mechanism, a screening mechanism, a supporting mechanism and a key module. The supporting mechanism is arranged on the mobile mechanism, the screening mechanism is arranged on the mobile mechanism, and the thorn removalmechanism is arranged on the screening mechanism; the cutting mechanism is arranged on the supporting mechanism, the conveying mechanism is arranged on the cutting mechanism and the mobile mechanism,the tightening mechanism is arranged on the cutting mechanism, and the key module is arranged on the supporting mechanism and the tightening mechanism. The invention belongs to the technical field ofagricultural machinery and particularly provides the picking cart for the prickly pear. The picking cart for the prickly pear is easy to operate, convenient to move, high in safety and picking efficiency and capable of cutting the prickly pear without damage, guaranteeing that the prickly pear without damage is conveyed to a loading box and achieving real-time thorn removal and screening.

The invention relates to a non-needle sealing transfusion connector, which is formed by a frame (6), a liquid outlet tube (1), the sealing rings (4a, 4b), and a piston (3), wherein the edge of piston (3) is embedded with silicon rubber ring (4a) whose lower end is larger 1.5 times than upper end, while the lower end is hollow (3a) and the inner wall is smooth; the liquid outlet tube 91) has one extending part (1f) into the frame (6) whose edge of upper end is embedded with the silicon rubber ring (4b) and the upper end has hole (3C), to form the spring (5) space with the lower hollow end of piston (3); the bottom of hole (3C) has hole (1d) through to the side hole (1b) of liquid outlet tube (1); the inner wall at 2 / 3 of lower end of frame (6) has one semi-circle groove whose radius is 2mm, to form the liquid channel with the base hole (1a) of extending part (1F) and the liquid outlet tube (1); when using, the taper head of injector pushes the piston (3); the medicine liquid will flow into human body via the top incline of piston and the liquid channel; then taking out the taper head, the spring (5) will return; the gas channel will feed the passive pressure inside the piston; and the piston will generate positive pressure to inject liquid to vein to avoid solidifying blood without using anticoagulant.

The invention discloses a knapsack type walking high-legged vehicle for roxburgh rose picking, which comprises a knapsack moving mechanism, a shearing and fastening mechanism, a conveying mechanism, arotary screening mechanism and an oscillating and bin-packing mechanism, wherein the shearing and fastening mechanism is arranged on the right side wall of the knapsack moving mechanism, the conveying mechanism is arranged on the left side of the knapsack moving mechanism, the oscillating and bin-packing mechanism is arranged on the knapsack moving mechanism, and the rotary screening mechanism isarranged on the oscillating and bin-packing mechanism. The invention belongs to the technical field of agricultural machinery, and particularly provides the knapsack type walking high-legged vehiclefor roxburgh rose picking which has the advantages of high practicability and comfort, simple operation, convenient movement, high safety coefficient, and nondestructive picking of roxburgh rose. Theknapsack type walking high-legged vehicle for roxburgh rose picking can overcome the problem of difficult picking of roxburgh rose in the middle of a plant, can automatically and nondestructively screen roxburgh rose in real time, and can automatically bin the screened roxburgh rose, so that the storage time of the roxburgh rose is effectively prolonged and the transportation and sales of the roxburgh rose are convenient.

The invention relates to an automatic medicine dispensing machine for penicillin bottles, and belongs to the technical field of medicine dispensing machines. The automatic medicine dispensing machinefor penicillin bottles comprises a bottle delivery mechanism, a piercing mechanism and a pumping mechanism, wherein the bottle delivery mechanism can rotate peripherally and is used for conveying thepenicillin bottles to preset positions, the piercing mechanism can move vertically and is used for piercing the penicillin bottles at the preset positions, and the pumping mechanism is used for pumping medicinal liquid; the bottle delivery mechanism is driven by a first driving motor and provided with multiple clamping parts used for clamping the penicillin bottles, the piercing mechanism is driven by a second driving motor and connected with the pumping mechanism through a penicillin liquid dispensing pipeline, and when the piercing mechanism pierces the penicillin bottles, the pumping mechanism can help the medicinal liquid to be fed into the penicillin bottles or pumping out mixed medicinal liquid in the penicillin bottles . The automatic medicine dispensing machine for the penicillin bottles can freely match the several kinds of penicillin bottles, is high in automation degree, realizes automatic arrangement of the medicinal liquid, improves working efficiency, saves labor, guarantees the safety of medicine dispensing, and avoids that medical workers are pierced by needles.

The invention discloses an automatic packaging protection cart for nondestructively picking prickly pears and totally removing spines. The automatic packaging protection cart comprises a protection moving mechanism, a telescopic breaking and pulling full picking mechanism, a flexible telescopic folding gliding tube, a nondestructive spiral primary spine-removing gliding mechanism, a totally spine-removing mechanism and a packaging loader mechanism, wherein the packaging loader mechanism is arranged on the protection moving mechanism, the totally spine-removing mechanism is arranged on the packaging loader mechanism, the nondestructive spiral primary spine-removing gliding mechanism is arranged on the totally spine-removing mechanism, the telescopic breaking and pulling full picking mechanism is arranged on the nondestructive spiral primary spine-removing gliding mechanism, and the flexible telescopic folding gliding tube is arranged on the telescopic breaking and pulling full picking mechanism and the nondestructive spiral primary spine-removing gliding mechanism. The invention belongs to the technical field of prickly pear picking equipment, and particularly relates to the automatic packaging protection cart which can be used for safely and nondestructively picking the prickly pears, ensuring nondestructive gliding of the prickly pears, automatically and nondestructively removing prickly pear skin inverted spines and packaging the prickly pears without the spines in real time.

The invention relates to a full-automatic dissecting bone extractor for eel, comprising a feeding component, a storing component, a delivery component, a holding component, a dissecting component, a discharging component, a transmission assembly and a power control component, wherein, the feeding component, the storing component, the delivery component, the holding component, the dissecting component and the discharging component are arranged on a main body rack, and the transmission assembly and the power control component are arranged among the above components; the storing component is a triangular box and is arranged at one side of the top part of the main body rack; the feeding component is a rotatable barrel body and is arranged on the upper part of the storing component by an auxiliary rack; the delivery component is communicated with the delivery opening of the storing component, is a group of gears and deliveries eel to the dissecting component E; the dissecting component is composed of a rotatable dissecting wheel, a dissecting knife arranged besides the dissecting wheel and a boning knife, and is suspended on the main body rack by a fixed shaft; the holding component is arranged adjacent to the dissecting component, and a clamping pliers of the clamping component is arranged at the back opening of the dissecting wheel and is used for clamping the head of eel; and the discharging component is arranged on the dissecting component. The dissecting bone extractor for eel is efficient, safe, sanitary and very practical.

The invention discloses a filling and sealing machine for syringes. The filling and sealing machine comprises a main disc capable of doing intermittent rotation motion, an upper syringe device, a downward pressing device, a filling device, a pre-screwing device, a cap screwing device and an output device, wherein the upper syringe device, the downward pressing device, the filling device, the pre-screwing device, the cap screwing device and the output device are sequentially distributed on the periphery of the main disc. A groove for containing the syringes is formed in the main disc. The syringes are transferred to the groove of the main disc through the upper syringe device and are moved to stations where corresponding devices are located along with rotation of the main disc. A filling pump assembly through which the syringe is filled with liquid is arranged on the filling device. The pre-screwing device is used for hanging a cone-head cap on the syringe filled with the liquid in advance. The cap screwing device is used for screwing up the cone-head cap hung on the syringe. The output device outputs the syringes obtained after filling and sealing are completed by outputting the rotary disc. By the adoption of the filling and sealing machine for the syringes, the secondary pollution is reduced effectively, and the transfusion safety is improved.

The invention relates to a needle used for puncturing and positioning a pulmonary nodule. The needle comprises a stylet and a sleeve, wherein the sleeve is a hollow cavity of which both ends are opened; one end of the stylet is provided with a hook-shaped structure which is restrained in the sleeve to realize contraction; and the other end of the stylet extends out of the sleeve, and a thickening part is arranged on the stylet and positioned in the sleeve. When the needle used for puncturing and positioning a pulmonary nodule, which is provided by the invention, is used, the needle used for puncturing and positioning a pulmonary nodule has the advantages of accurate positioning and difficult fall-off, and due to the improvement of the structure, pneumothorax is not easily caused in an operation process, so that necessary time is provided for an operator to accurately positioning a focus, and secondary injuries caused by repeated puncturing to a patient are avoided; and meanwhile, the risk of bringing the secondary injuries to the patient is also eliminated by a fixing device at the tail part of the stylet.

The invention discloses a fixed shaft compass. The fixed shaft compass comprises a fixed vertical shaft, a rotary sleeve which can sleeve the fixed vertical shaft in a rotatable mode, a sleeve rail which is fixedly connected to the lateral portion of the rotary sleeve, a cross rod which sleeves the sleeve rail and can horizontally slide and a pen clamping sleeve which can be longitudinally connected to the tail end of the cross rod in an elastic mode. According to the fixed shaft compass, the fixed vertical shaft is arranged to avoid a needle point at the lower end of the vertical shaft from puncturing paper during a rotation process and the fixed vertical shaft plays a role in protecting the paper; the rotary sleeve is connected with the sleeve rail and the cross rod, the cross rod can horizontally move to select the drawing radius of a circle or an arc shape, the circle or a camber line can be drew on the paper by rotating the rotary sleeve, a pen for drawing the circle or the camber line is connected to the tail end of the cross rod through the pen clamping sleeve and has elasticity in the longitudinal direction, namely the pen can slightly move in the longitudinal direction, the compass has an elastic downward pressing force to the pen during the process of drawing the circle or the arc, the pen has tiny extension, a pen tip is tightly adhered to the paper, and accordingly a uniform and clear line can be drew and the paper is not punctured and scraped.

A magnetically controlled football game machine is composed of magnetic controllers fixed to telescopic control rods, control rods under a table, football game table, football players arranged in serveral lines on the table and controlled by magnetic controllers on the control rods, goals on the table, and electronic score unit.

The invention belongs to the technical field of material machining and particularly relates to a machining method of a slender shaft made of a 17-4PH stainless steel material. The machining method of the slender shaft made of the 17-4PH stainless steel material at least includes the steps of firstly, stress relief annealing heat treatment, secondly, slender shaft end face machining and drilling, thirdly, determination of the grinding benchmark of the slender shaft, fourthly, rough turning, semi-finish turning and penetration flaw detection, fifthly, solid solution and aging thermal treatment, sixthly, grinding treatment, seventhly, surface quenching and annealing heat treatment and eighthly, obtainment of the slender shaft, wherein the slender shaft obtained in the seventh step is subjected to finish grinding, a plug is removed, the following conventional shaft end fine dressing or end cut-off is conducted, and the finished slender shaft is obtained. By the adoption of the method, the defect that the machining rejection rate of the slender shaft made of the 17-4 PH stainless steel material is high at present can be effectively overcome, the high-precision shape of the slender shaft and the surface roughness machining of the slender shaft are guaranteed, the machining efficiency of the slender shaft is improved, and the yield is increased.

The invention relates to a comfortable and safe front-cross sash-type tightening trace free shape-modifying bra which integrates functions of supporting and centralizing breasts as well as stabilizing fixing positions. The bra adopts a structure that shoulders sashes of the bra are designed to cross at the front prothorax for supporting upwards and constricting inwards so as to improve the functionality and the attraction; meanwhile, two cup edge supports of flexible plastic strip rings and corner angle and sharp end free flat back fasteners are adopted so as to improve the safety and the comfort.

The invention discloses a method for trapping and adopting fries and breeding yellow-spot siganus. The method comprises: selecting a trapping sea area, making a trapping and adopting fry net cage device, naturally trapping and adopting fries and breeding, and performing cultivation daily management. According to life habit, morphological structure, ingestion and behavior characteristics of the yellow-spot siganus, natural fry adopting and cage culture of the yellow-spot siganus are realized, so the yellow-spot siganus does not leave water in whole trapping and culture process, preventing stress and concentrated capture of the yellow-spot siganus caused by capture and transport operation, and preventing the yellow-spot siganus from stabbing and wounding each other. The method can effectively solve problems that yellow-spot siganus is difficult to cultivate caused by stab wound and stress occurred in capture and transportation of the yellow-spot siganus cage culture fries at present, and opens up an efficient ecological breeding mode for natural fry adopting, cage culture, rotation for capturing and selling, and circulating culture of yellow-spot siganus. The invention provides a new culture technology for yellow-spot siganus net cage breeding industry, and greatly improves culture benefit of the yellow-spot siganus.

The novel bra support includes two arced steel rings with two inner ends connected with hot shrinking casing of polyethylene so as to form one W-shaped structure. The connecting hot shrinking casing can prevent the inner ends of the steel rings from piercing bra support sleeve and injuring body and reduce the pushing force to breast ditch. The present invention makes the bra safe and comfortable.

The invention relates to a needle point shielding type anti-backflow venous indwelling needle, belonging to an infusion medical device; the needle point shielding type anti-backflow venous indwelling needle comprises the following accessories: a needle tube, a catheter, a catheter seat, a needle core, a reflux valve, a double-wing needle seat and a needle point shielding device. The venous indwelling needle is good in safety performance and convenient to operate, and the needle tube is completely protected in a guide slot after venipuncture, so that the medical workers or others are prevented from being hurt by the exposed needle tube, blood is prevented from flowing back, and the blood is avoided being polluted by contacting with the outside air.

The embodiment of the invention discloses a secure type indwelling needle and a shielding cap and is used for prevent a medical personnel from being punctured by a puncture needle. The secure type indwelling needle provided by the embodiment comprises an indwelling catheter component 1, a puncture needle component 2 and a shielding cap 3; after the puncture needle component 2 is pulled out, the puncture needle component 2 is accommodated inside the shielding cap 3; and when the puncture needle component 2 exits from a front end limitation device 31, the front end limitation device 31 deviates from an original position and slides towards a lower part under the action of gravity so as to stop an extending channel 33 and prevent a puncture needle 21 from reversely passing. A back end limitation position 32 can prevent the puncture needle component 2 from leaving the shielding cap 3; thus, the puncture needle component 2 and the indwelling catheter component 1 are separated, and the puncture needle component 2 is safely discarded, so that the medical personnel is prevented from being punctured by a puncture needle; because the volume of the shielding cap 3 is smaller than that of a complete protection housing in the prior art, the secure type indwelling needle is more conveniently used by the medical personnel.

The invention relates to a ring seal assembly of a bidirectional metal seal structure, which is used for a marine oil and gas extraction underwater wellhead system and comprises a seal driving sleeve, a locking sleeve and a metal sealing ring. The upper portion of the periphery of the locking sleeve is provided with an annular groove and a wellhead locking ring, the lower portion of the periphery of the locking sleeve is provided with an annular groove for mounting a support belt, a locking cavity is arranged at the lower end of an inner hole of the locking sleeve and corresponds to a hanger locking ring which is arranged below the locking cavity and on the upper portion of the inner hole of the seal driving sleeve, a bidirectional U-shaped seal ring is arranged at the lower end of the metal sealing ring, a radial pin hole is arranged on the periphery of the upper end of the metal sealing ring and matched with a shear pin arranged on the seal driving sleeve, and an annular groove is arranged below the radial pin hole and matched with a recovery ring arranged on the lower portion of the inner hole of the seal driving sleeve. The annular space between a wellhead and a casing hanger can be effectively sealed and hermetically self-locked, the ring seal assembly is high in damage resistance, long in service life, simple in structure and simple and convenient in assembly and disassembly procedures, rapid assembly and disassembly can be realized, and work efficiency is improved.

The invention discloses a hand-held cutting tool, and particularly relates to limiting scissors. The limiting scissors comprise handles, tool bits and a tension spring, wherein the handles comprise the left handle and the right handle; the tension spring is mounted between the handles; a limiting sleeve is arranged outside the tension spring in a sleeving mode; the left end of the limiting sleeve is fixed on the left handle; the right end of the limiting sleeve is fixed on the right handle; the limiting sleeve is a telescopic wrinkle-shaped limiting sleeve; the handles are food-level plastic handles; the tool bits are food-level stainless steel tool bits; the tension spring is a food-level stainless steel tension spring; and the limiting sleeve is a food-level plastic limiting sleeve. The limiting scissors can eliminate potential safety hazards due to the fact that the tool bits of the scissors are open excessively, and also can be used for shearing and preparing instant food for children.

The invention provides a syringe needle manual retracting type intravenous infusion needle, which comprises a needle base, a built-in slide sleeve, and a protecting shell body; the needle base is a hollow cylinder, wherein one end of the needle base is used for mounting the syringe needle while the other end is used for connecting a conveying pipe; the needle base is detachably mounted in the built-in slide sleeve, and freely glided in the built-in slide sleeve; the protecting shell body is formed by buckling upper and lower protecting shell bodies together; the built-in slide sleeve is installed in the protecting shell bod y and freely glided in the protecting shell body; when the needle base is pulled from the built-in slide sleeve out of the limited place, and the built-in slide sleeve is pulled from the protecting shell body out of the limited place, the needle pipe is completely covered and thus the syringe needle cannot be exposed. The syringe needle manual retracting type intravenous infusion needle has the advantages of preventing pricking wound and crossing infection; the product design is minimized, the production technique is simple, and the cost is low.

The invention relates to novel anti-bee clothes, and relates to a self-protective garment, which comprises a jacket (1) and trousers (2), wherein the jacket (1) and the trousers (2) are connected into a whole; a cap is arranged on the upper part of the jacket (1); a first air vent (3) is formed on the top of the cap; second air vents (4) are formed on two sides of the cap; a third air vent (5) is formed on the front part of the cap; a fourth air vent (7) is formed on the front part of the jacket (1); a fifth air vent (8) is formed on the rear part of the jacket (1) symmetrically; and a zipper (9) is arranged on the rear part of the jacket (1). The anti-bee clothes is made of composite cloth, and a plurality of air vents are formed on the clothes; and due to the design of the air vents, people can be prevented from being punctured by tail tips of bees, the bees also can be prevented from ejecting urine, and the cost is low.

The invention discloses a fixing device for a water stop belt for water conservancy engineering and a water stop belt installing method and belongs to the field of water stop belt fixing devices. The fixing device for the water stop belt for the water conservancy engineering and the water stop belt installing method aim at solving the technical problems how to achieve two-way fixation of the water stop belt and prevent deviation of the water stop belt. The fixing device for the water stop belt for the water conservancy engineering structurally comprises a positioning support used for fixing the water stop belt in concrete and a fixing support used for fixing the water stop belt outside the concrete; the positioning support comprises a clamping plate, an adjusting mechanism and a tie piece rod; the clamping plate is a clamping plate shaped like a Chinese character 'fang' and mainly composed of two cross plates and one vertical plate; the adjusting mechanism is arranged on the clamping plate and can adjust the caliber of an opening of the clamping plate; the tie piece rod is perpendicularly fixed to the outer side face of the vertical plate; the fixing support comprises a pressing rod and a fixing bolt; the pressing rod is a pressing rod shaped like a Chinese character 'fang' and mainly composed of two cross rods and one vertical rod; and the fixing bolt perpendicularly penetrates any cross rod. According to the water stop belt installing method, the water stop belt is fixed between first-stage concrete and second-stage concrete through the fixing device for the water stop belt.

The invention discloses a tattooing needle without a resilience force and a tattooing device by using the needle. The tattooing needle without a resilience force comprises a syringe, a needle body, a needle base, a first connection rod and a first connection block, wherein the first connection block is driven by an external force to directly perform reciprocating motion; and the first connection block drives the needle body via the first connection rod and the needle base to perform reciprocating linear motion. The tattooing needle without a resilience force has the beneficial effects that the needle does not use any spring, any rubber band or any rubber ring to provide a resilience force, the external force is directly used for driving, and quick withdrawing can be realized; and the problems that resilience disappears due to long-time use of the resilience force and the needle can not be withdrawn are solved. The invention also provides a tattooing device, which comprises a motor, a handle shell, a second connection rod and the above mentioned tattooing needle. When the motor pushes the needle body, resilience force work does not need to be overcome, current and power of the motor are maintained to be stable, and the service life of the motor is greatly prolonged.

The application relates to a controllable release system comprising an implantation instrument and a conveying system. A plurality of first holes are formed in the near-end area of the implantation instrument. The conveying system includes a plurality of traction rods and a plurality of release wires; the plurality of release wires, the plurality of traction rods and the plurality of first holes are in one-to-one correspondence in number and position; each traction rod is provided with a second hole and a constraint part; the second holes are formed in the far ends of the traction rods; the release wires penetrate the constraint parts and the first holes or the second holes to realize connection between the implantation instrument and the conveying system. During the conveying process, theconstraint parts can limit movement of the release wires; and when the implantation instrument is released, the release wires can move relative to the traction rods. According to the system, the implantation instrument is convenient to repeatedly recover timely before dismounting of the implantation instrument; and during the releasing process, the implantation instrument can slowly stretch to anoptimal form from a sheath tube, detachable connection can be realized by withdrawing the release wires to realize the controllable release function. The system is simple in overall structure, convenient to operate, safe and reliable.

The invention relates to the field of machining, in particular to a small-diameter double-line inner trapezoidal thread machining method. The small-diameter double-line inner trapezoidal thread machining method comprises the following steps of firstly turning a bottom hole according to the size accuracy requirement, then using a trapezoidal threading tool to complete turning of two spiral grooves, making two straight lines perpendicular to the axis at the bottoms of turned tooth grooves, utilizing left-right tool assisting of a small sliding plate between the wide bottoms of the groove and using a middle sliding plate to control tooth depth to perform turning as long as two tool points of the threading tool uses the bottom widths of the grooves as the standard, and accordingly completing rough turning. Due to the fact that a tool bit is thin and small, it is appropriate that a straight feeding method and a left-right tool assisting method are adopted to perform four-layer turning according to the tooth depth and the bottom widths of the grooves. By means of the small-diameter double-line inner trapezoidal thread machining method, the pressure of a turning tool can be decreased, chip removal can be smooth, an edge breaking phenomenon is also avoided, the rigidity of the turning tool is improved, vibration of the turning tool is prevented, the machining quality of parts can be ensured, and production efficiency can be improved.

The invention relates to a double-umbrella-type recoverable venous thrombus filter. The filter is composed of an upper part umbrella-shaped structure and a lower part umbrella-shaped structure. The upper part umbrella-shaped structure is composed of a recoverable hook, a connecting inner nut, a reverse prick and an upper part supporting rod, and the lower umbrella-shaped structure is composed of aconnecting pipe, a diamond filter net and a lower part supporting rod. Aiming at the problems that a single-umbrella-shaped venous thrombus filter exists in the market easily tilts under the flushingof blood resulting in poor thrombus capturing, and the structure of the contact position of the single-umbrella-shaped filter and a vascular wall is of a filiform structure which easily causes the puncturing of the vascular wall even hurts extra-vascular tissues, nerves and the like by stabbing, an upper and lower two-layer umbrella-shaped structure is provided by the filter to effectively maintain the balancing performance of the filter under the flushing of blood flow, and lower part supporting rod of the filter is bent inwards in the radial direction so that the supporting rod of the filter can be prevented from puncturing through the vascular wall to hurt the extra-vascular tissues, nerves and the like of a patient by stabbing. By means of the filter, not only can the thrombus capturing efficiency of the filter be improved, but also the using safety of the patient can be greatly improved.

The invention discloses a visual puncture outfit, and the puncture outfit comprises a main body structure, a puncture mechanism and a first auxiliary mechanism; the main body structure comprises a puncture sleeve, anti-skid lines, an anti-skid pad and a limiting groove; the anti-skid lines and the anti-skid pad are arranged on the puncture sleeve; the puncture mechanism comprises a connecting block, a handle rod, a protruding block, a fastener, a puncture rod and an anti-skid strip; the left end of the connecting block is connected with the second auxiliary mechanism through the puncture rod, and the first auxiliary mechanism is arranged in the puncture mechanism. According to the visual puncture outfit with the puncture head convenient to replace, the second camera is arranged and can shoot the position of the puncture head in the abdominal cavity, so the puncture head is prevented from accidentally puncturing viscera or other normal tissues of a patient, potential safety hazards are reduced conveniently, and meanwhile, when the puncture head needs to be cleaned or replaced, a worker can manually pull out the puncture head from the puncture rod, so the puncture head can be replaced, and the disassembly process is simple.

The invention discloses a laparoscopic varicocele ligation puncture device. Such structure design that a fixing mechanism and an anti-disengagement mechanism is adopted, the expansion stretch-out and draw-back principle of an elastic air bag and the adsorption principle of a carbon nano tube array are made use of, a conical head can be effectively prevented from being disengaged from a puncture part, a main sheath tube thus does not move in the human body or outside the human body in the operation process, the operability is largely improved, meanwhile an air guide hole is formed in the conical head, the air inflation effect of a veress needle can be achieved, and the safe use function requirements of puncture and pneumoperitoneum are met.