36results about How to "Reduce the difficulty of piercing" patented technology

The invention provides a deep sealing type hole sealing device which can solve the technical problem that a traditional hole sealing device is complex in process and cumbersome in operation. The deep sealing type hole sealing device comprises a suction pipe and a grouting pipe, wherein the suction pipe and the grouting pipe are arranged in parallel, two sealed bags are arranged at the two ends of a hole sealing segment of the suction pipe and the grouting pipe respectively, the bag close to a hole opening is a hole opening bag, the bag close to a hole bottom is a hole bottom bag, the bags wrap the suction pipe and the grouting pipe, the tail end of the grouting pipe is sealed and arranged at the bottom of the hole bottom bag, a one-way valve is arranged at the position, in the corresponding bag, of the grouting pipe, and an explosion valve is arranged between the two bags. The deep sealing type hole sealing device further comprises a floral pipe, wherein the floral pipe is provided with a plurality of notches, one end of the floral pipe is fixed to the outer portion of the bottom of the hole bottom bag, a sharp cone is arranged at the other end of the floral pipe, the tail end of the suction pipe stretches out of the bottom of the hole bottom bag to be connected into the notches of the floral pipe, and the end, close to the hole bottom, of the suction pipe is provided with a plurality of holes. According to the deep sealing type hole sealing device, casing installation, hole sealing and drainage are integrated, so that convenience is achieved, and operation procedures are reduced.

The invention relates to automatic puncture equipment. The automatic puncture equipment comprises a machine base, a moving device, a vein puncture device, a detection device, a puncture area positioning platform and an analysis device, wherein the analysis device determines a puncture needle inserting point, a needle inserting parameter and a puncture target point according to a detection image acquired by the detection device, physical sign parameters of a target human body corresponding to a puncture area and pre-stored medical data, and the moving device drives the vein puncture device to move to the puncture target point determined by the analysis device; and a puncture needle is arranged on the vein puncture device, and the vein puncture device punctures the puncture needle into a vein blood vessel according to the needle inserting parameter. According to the technical scheme, the vein blood vessel and the puncture needle inserting point can be automatically recognized, the needleinserting parameter and the puncture target point are automatically calculated, then vein puncture is automatically performed, manual puncture operation errors are avoided, the blood vessel puncturedifficulty is reduced, and remarkable advantages are achieved for some blood vessels which are difficult to recognize.

The invention relates to a CT coplanar puncture template provided with identifier guiding devices. The CT coplanar puncture template comprises a plate body, puncture needle holes, marking lines and lead wires, wherein the puncture needle holes are uniformly distributed in the plate body in rows and columns; the marking lines are arranged on the portions, positioned between any two rows of puncture needle holes and positioned between any two lines of puncture needle holes, of the surface of the plate body; the lead wires are embedded in portions, right below the marking lines, of the plate body; and the lead wires are consistent with the marking lines in length and are parallel with the marking lines. According to the coplanar puncture template provided with the identifier guiding devices, puncture directions of puncture needles can be precisely guided, the template can be placed in accordance with the position and size of a focus before an operation so as to avoid dangerous organs around the focus, the puncture needles can be precisely inserted, and by virtue of the template, the various puncture needles can be kept under a parallel state. The CT coplanar puncture template can shorten an operation time, reduce operation risks and reduce operation difficulty. The template is provided with the guiding lead wires as the puncture needle guiding devices, so that a doctor can intuitively predict moving trends of the puncture needles before inserting the puncture needles, and therefore CT scanning times and puncture difficulty are further reduced.

The invention relates to the technical field of medical instruments, and discloses a puncture angle adjusting device and a puncture auxiliary robot, the puncture angle adjusting device comprises a base, and a lead screw mechanism and a connecting rod mechanism arranged on the base; the lead screw mechanism comprises a lead screw and a nut arranged on the lead screw in a sleeving mode. The lead screw is rotationally arranged on the base around the axis of the lead screw so as to drive the nut to do linear motion along the axis of the lead screw. The connecting rod mechanism comprises a transmission connecting block, a push rod and a rotating rod, one side of the transmission connecting block is connected to the nut, and the other side of the transmission connecting block is rotationally connected to one end of the push rod; the other end of the push rod is rotationally connected to the first connecting end of the rotary rod, the second connecting end of the rotary rod is rotationally connected to the base, and the third connecting end of the rotary rod is used for being connected with a puncture needle assembly. The puncture angle adjusting device can achieve continuous adjustment of the puncture angle by arranging the lead screw mechanism and the connecting rod mechanism, and has the advantages of being high in angle adjusting precision, long in service life, compact in structure and small in size.

The invention discloses an ultrasonic out-of-plane puncture guide stent, and relates to the technical field of medical instruments. The ultrasonic out-of-plane puncture guide stent comprises a fixing seat and a puncture frame. Openings are formed in the upper end and the lower end of the fixing seat, through grooves are formed, the outer side of an ultrasonic probe is sleeved with the through grooves, and the through grooves are used for fixing the ultrasonic probe; the puncture frame is vertically arranged in the center of the side wall of the fixing seat and comprises a puncture frame body, scale marks are arranged on the side wall of the puncture frame body, a sliding groove is formed in the top of the puncture frame body, and a guide needle sliding block is arranged in the sliding groove in a sliding mode; and the upper surface of the guide needle sliding block is provided with at least two guide needle channels which penetrate through the lower bottom face of the guide needle sliding block and are used for guiding and fixing puncture needles, and needle outlets of the guide needle channels face the central axis of the ultrasonic probe. According to the guide stent, operation is convenient, the puncture direction, the puncture angle and the puncture depth are convenient to control, the difficulty and the workload of a doctor for puncture are greatly reduced by setting a buzzer early warning function, the accuracy and the efficiency of puncture are improved, and the pain of a patient is relieved.

The invention discloses a sticking type ultrasonic probe out-of-plane puncture guide frame. The sticking type ultrasonic probe out-of-plane puncture guide frame comprises a double faced adhesive tapefor connecting an ultrasonic probe with a puncture guide frame, a puncture guide frame base plate stuck to the wide edge of the ultrasonic probe, an inverted trapezoidal vertical base plate in the center of the guide frame base plate, and a semi-arc columnar needle groove part connected to the side edge of the vertical base plate. The sticking type ultrasonic probe out-of-plane puncture guide frame can be matched with most existing ultrasonic probes for vascular puncture, the production and sales cost is reduced, and besides, the mismatching probability of clinicians during application is reduced.

The invention discloses an amniocentesis positioning device used for the obstetrics and gynecology department. The positioning device comprises a positioning device body and first fixing blocks, the two first fixing blocks are fixedly connected to the front face of the positioning device body, the opposite faces of the two first fixing blocks are fixedly connected with the two ends of a sliding rod respectively, the surface of the sliding rod is sleeved with a sliding bush, the front face of the sliding bush is movably connected with the back face of a needle tube through a pin shaft, and a positioning needle is arranged on the lower surface of the needle tube. A first hook and loop fastener, a second hook and loop fastener, fixing bands, sponge cushions, sliding blocks, sliding grooves, bearings, the needle tube, the positioning needle, waist-protecting cushions, telescopic rods, springs, connecting plates, clamping rods, clamping grooves, positioning bands, a fixing buckle, the sliding rod and the sliding bush are used in cooperation, the positioning needle can accurately puncture a pregnant women, in this way, the difficulty of puncturing is lowered, the accuracy of puncturing is improved, and the working difficulty of a doctor is lowered.

The invention discloses a device and a method for guiding and realizing precise puncture based on an infrared binocular camera and a robot mechanical arm holding needle sleeve. Unconscious movement of a human body can cause errors such as angle deviation between a puncture needle and a puncture path and distance deviation between a needle point of the puncture needle and a puncture center, and the puncture process is affected. In order to solve the existing problems, the invention provides a mechanical arm holding needle sleeve device based on the six free arms, the position of a puncture needle sleeve is monitored in real time in combination with an infrared positioning method, an operator can find deviation and adjust the position in time, and after the needle sleeve device is determined, a puncture needle is guided to puncture.

The invention relates to an internal fistula puncture needle combined type-B ultrasonic probe convenient to use, and relates to the technical field of internal fistula puncture, the internal fistula puncture needle combined type-B ultrasonic probe comprises a handheld column and a puncture needle, one end of the handheld column is provided with a first penetrating hole, the puncture needle comprises an indwelling part and a blood sampling part which are connected, the indwelling part is inserted in the first penetrating hole, and the handheld column is hollow and is provided with a probe part. The device has the effects of improving the puncture success rate, reducing the puncture difficulty and facilitating single-hand operation.

The invention discloses a single-pole nano knife treatment unit. Through arranging a single ablation electrode, a plurality of neutral electrodes and a pulse generator, adopting the field energy and using irreversible electroporation, the purpose of tissue ablation is realized, through applying a high-strength external electric field to make a cell membrane be permanently transparent and destroy the steady state in a cell, the ablation time is short without being influenced by blood flow, so that complete cell death can be generated around a blood vessel; since living cells are ablated, cell matrix and cell surrounding structure can be retained, and the structures and functions of great vessels and bile ducts remain complete. According to the single-pole nano knife treatment unit, the single ablation electrode is arranged, so that the puncture difficulty is reduced, the trauma of a patient is also reduced; the plurality of neutral electrodes are used for adjusting electric field distribution, so as to provide a return loop for current; the pulse generator is arranged to apply an electric field intensity which exceeds a threshold value between the ablation electrode and the neutralelectrodes, so that the volume of single ablation can be increased, the ablation frequency is reduced, and the ablation treatment time is further shortened.

The invention provides a special puncture needle for TIPS. The special puncture needle comprises a puncture part and a long and thin tubular main body, wherein a reference end face is arranged at oneend of the tubular main body; the puncture part is located at one end, close to the reference end face, of the tubular main body and comprises a plurality of inner tubes; every two adjacent inner tubes are connected end to end in a sleeved mode; a sleeve tube located at an outermost side position is inserted into the tubular main body in a sliding mode; a telescopic end face is arranged at one end, far away from the tubular main body, of each inner tube; and a control piece is installed at one end, far away from the reference end face, of the tubular main body and used for driving the inner tubes to slide along the axis of the tubular main body, so the plurality of telescopic end faces and the reference end face are coplanar to form a feeding puncture head, or the plurality of telescopic end faces are separated from one another to form a conical puncture head. The special puncture needle for the TIPS provided by the invention is convenient to puncture, facilitates reducing the puncturedifficulty and reduces the puncture risk.

The invention discloses a movable support rotary hydraulic control loop of a winding machine. The loop comprises a three-position four-way reversing valve, two balance valves and a two-position four-way reversing valve. The three-position four-way reversing valve is respectively connected with inlet ends of a liquid inlet pipeline, a liquid return pipeline, a first balance valve and a second balance valve. The three-position four-way reversing valve is positioned on a Y-shaped middle position machine when being in middle position. A control end of the first balance valve is connected with an inlet end of the second balance valve through a one-way throttling valve; and a control end of the second balance valve is connected with an inlet end of the first balance valve through a one-way throttling valve. The first balance valve and the second balance valve are respectively connected with two cavities of a rotary hydraulic cylinder. The two-position four-way reversing valve is respectively connected with control ends of the liquid inlet pipeline, the liquid return pipeline, the first balance valve and the second balance valve. The loop can prevent the unstable condition of a rotating arm due to the gravity center change in movable support rotation, reduces radial external force suffered by the rotating arm in transverse moving actions, reduces the winding drum perforation difficulty, and prolongs the winding drum life.

The invention belongs to the technical field of medical supplies, and particularly relates to a multipurpose artery positioning pen for the pediatric department. The multipurpose artery positioning pen comprises a first pen holder, wherein a switch is arranged at one end of the first pen holder; a second pen holder is installed at one end of the first pen holder in a threaded mode; a first pen point is arranged at the other end of the first pen holder; a pen sleeve matched with the first pen point is arranged on the outer surface of the first pen point; an amplitude sensor and a positioning marking head are arranged on the first pen point; an induction bead is arranged in the positioning marking head; scale marks are arranged on the outer surface of the first pen holder; a mercury bead isarranged in the first pen holder; one end of a telescopic rod is fixedly installed on one side of the second pen holder; a round rod is fixedly installed at the other end of the telescopic rod; a fixed tip and a second pen point are installed at the ends, away from the first pen point, of the second pen holder and the round rod in a threaded mode respectively; and the fixed tip is opposite to thesecond pen point and the first pen point in direction. The multipurpose artery positioning pen is simple in structure, convenient to use, accurate in positioning, capable of reducing puncture difficulty, multifunctional and high in creativity.