48results about How to "Easy to puncture" patented technology

The invention discloses a venipuncture path guiding method and system based on real-time images, and relates to the technical field of puncture guiding. A venipuncture path guiding system based on real-time images comprises a patient difference compensation module, a real-time image analysis module and a venipuncture guiding module. Patient physiological parameter data and puncture part sign data are introduced, deep analysis is carried out in combination with a patient individual difference analysis model, a personalized puncture guide scheme can be provided according to individual differences of different patients, and puncture accuracy and safety are remarkably improved; the real-time image features, the puncture difference auxiliary features and the venipuncture guide model are combined for path planning, and the optimal puncture path can be calculated and provided in real time, so that the puncture operation is optimized, the damage to surrounding tissues is reduced, and the puncture success rate is improved.

The invention relates to the technical field of medical instruments, in particular to an improved puncture positioning device for assisting minimally invasive spine surgery. According to the improved auxiliary spine minimally invasive surgery puncture positioning device, the height and the angle of the puncture needle can be adjusted conveniently, and therefore puncture can be more accurately conducted. An improved puncture positioning device assisting in minimally invasive spine surgery comprises a base, a sliding limiting rod, a compression spring and the like. The two bases are each fixedly connected with two sliding limiting rods, and the two bases are each fixedly connected with two compression springs. A medical worker moves a sliding supporting block upwards, the medical worker controls a sliding block to move downwards to a proper height after a patient enters the position below the device, then the medical worker rotates a rotating disc, the rotating disc rotates to drive a positioning pipe to be aligned to the position, needing an operation, of the patient, a fixing screw is tightened, and then an L-shaped pressing rod is rotated to rotate with a front rotating shaft as the center. The height and the angle of the positioning pipe can be adjusted.

The utility model belongs to the technical field of anesthesia, and discloses an ultrasound-guided nerve block anesthesia puncture device which comprises an ultrasonic probe, a fixing device, a cable, a puncture needle, an anesthetic injection channel, a sensor, an encoder, a high-performance processor, a human-computer interaction interface and a mechanical arm. Through real-time imaging of the ultrasonic probe and accurate control of the control system, the puncture needle can be accurately guided to a target nerve position, and anesthesia accuracy is improved. Due to the introduction of the mechanical arm, the puncture operation is simpler and more convenient, and the requirements on the operation experience and skills of doctors are reduced. Due to the fact that positioning is accurate, operation is easy and convenient, the pain and discomfort of the patient in the puncture process can be reduced. By means of accurate puncture operation, damage to surrounding normal tissue can be reduced, and the occurrence risk of complications is reduced.

The invention discloses a visible puncture expander, and relates to the field of puncture sheaths, the visible puncture expander comprises a supporting disc, a covering film, an endoscope and supporting rods, the supporting disc is of a disc-shaped structure with a through hole formed in the middle in a penetrating mode, and the multiple supporting rods are distributed around the circumferential side wall of the supporting disc in a circumferential array mode and rotate with the circumference of the supporting disc as the axis; the plurality of supporting rods are enclosed on one side of the supporting disc to form a conical expansion cavity; the covering film is a non-bottom-sealed component made of an elastic latex material, is arranged outside the plurality of enclosed supporting rods in a sleeving manner, and covers the outer part of the conical expansion cavity; according to the scheme, an operator can be conveniently assisted in observing the puncture direction, the puncture position and the surrounding situation in real time, the operator can accurately reach a focus, work such as puncture, expansion and sheath placement is completed at a time, side injuries caused by secondary placement of a working sheath are avoided, and therefore the accuracy, the high efficiency and the safety of an operation are improved.

The utility model relates to the technical field of medical instruments and discloses a medical puncture robot which comprises a bed body, a U-shaped adjusting groove is formed in the outer side of the top surface of the bed body, a sawtooth groove is fixedly formed in the inner bottom face of the adjusting groove, a driving block is arranged at the top of the adjusting groove, and a plurality of sections of mechanical arms are arranged at the top of the driving block. A mounting block is movably connected to one side of the tail end mechanical arm through a rotating shaft, a puncture needle is movably connected to the bottom of the mounting block, a driving gear is movably connected to the inner side of the bottom of the driving block through a connecting shaft and a bearing, and a transmission gear is connected to the top of the driving gear in an engaged mode. The driving block is arranged in the mechanical arm, the sawtooth groove is formed in the driving block, the driving motor and the transmission gear drive the driving block to rotate, so that the driving gear and the sawtooth groove move relatively, the purpose of adjusting the position of the driving block is achieved, the mechanical arm and the tail end structure of the mechanical arm are driven to adjust the position, and the comprehensiveness of the puncture covering position is greatly improved.

The utility model relates to the technical field of medical equipment, and particularly discloses a buckle assembly for an intraoperative ultrasonic probe, an ultrasonic probe assembly and a puncture system.The buckle assembly comprises a buckle body, the first end of the buckle body is arranged to be a surrounding structure, and the surrounding structure is used for surrounding the front end of the intraoperative ultrasonic probe; a fastening structure is arranged at the second end of the buckle main body, and the fastening structure is used for fastening the buckle main body on the intraoperative ultrasonic probe; a working channel is arranged in the buckle main body and is used for accommodating an electromagnetic navigation sensor suite matched with an intraoperative ultrasonic probe. According to the utility model, the technical effects of being capable of determining the position of the puncture suite in the puncture process, facilitating the puncture operation of a doctor and improving the puncture success rate in the laparoscopic ultrasound-guided puncture operation are realized, and further the technical problems that the position of the puncture suite is difficult to determine and the puncture success rate is low in the laparoscopic ultrasound-guided puncture operation in the related technology are solved. And puncture is difficult.

The utility model discloses an orthopaedic joint puncture instrument convenient to position, which belongs to the technical field of orthopaedic joint puncture and comprises a placing device, a fixing device and a positioning device, and the fixing device used for fixing legs of a patient and the positioning device used for facilitating puncture positioning are mounted on the placing device. The positioning device comprises a locking assembly used for mounting and locking, a positioning assembly used for quick positioning and a puncturing assembly used for puncturing treatment, the locking assembly is mounted on the placing device, the positioning assembly is mounted on the locking assembly, and the puncturing assembly is connected with the positioning assembly. By means of the mode, through the rotary arrangement of the observation plate and the rotary adjusting ring, the angle of the puncture assembly can be conveniently adjusted, a puncture point can be punctured more accurately, the puncture point can be rapidly positioned through the corresponding position of the observation plate and the knee of a patient, and follow-up puncture is facilitated.

The present invention discloses an anti-puncture scalp needle, comprising an outer sleeve, a steel needle assembly and an adjusting piece. An installation channel is provided inside the outer sleeve, and two ends of the installation channel respectively penetrate to the two ends of the outer sleeve. A wing is provided on one side of the outer sleeve. The steel needle assembly is arranged in the installation channel and can be moved along the length direction of the outer sleeve. The steel needle assembly can be adjusted between a first position and a second position. When the steel needle assembly is in the first position, the front end of the steel needle assembly is received in the installation channel. When the steel needle assembly is in the second position, the front end of the steel needle assembly extends out from the front end of the outer sleeve. The adjusting piece is arranged at the rear end of the outer sleeve, and is used to drive the steel needle assembly to switch between the first position and the second position. A locking mechanism is also provided on the needle wing, which is used to lock the steel needle assembly in the first position after use. The present invention has the advantages of simple structure, convenient use, strong practicality and high safety.

The invention discloses an abdominal cavity operation puncture outfit which comprises a puncture outfit body and further comprises two arc-shaped fixing plates, and the two arc-shaped fixing plates are symmetrically distributed on the two sides of the puncture outfit body. The pedal is treaded by feet, air in the arc-shaped groove is extracted through the air extraction assembly, so that the arc-shaped fixing plates suck the abdominal skin of a patient, the abdominal skin of the patient can be driven to move upwards to cater to the puncture outfit body by pulling the handle with the hand, and meanwhile an operator presses the pressing plate and drives the two arc-shaped fixing plates to deflect and open through the auxiliary assembly. Meanwhile, a puncture opening of the patient is dragged and exposed, so that puncture operation of an operator is facilitated, meanwhile, the linkage assembly is used for driving the two arc-shaped plates to be closed to form a guide channel to guide the puncture outfit body, and then the puncture precision is improved; therefore, the distance between the abdominal skin and the viscera of the patient is increased, the puncture risk is reduced, and meanwhile the operation pressure of medical staff is reduced.

The utility model discloses an embedded assembly type building foundation which comprises a first foundation and a second foundation, a positioning strip is fixed on the outer wall of the first foundation, a positioning frame connected to the outer wall of the positioning strip in a sleeved mode is fixed at the top end of the second foundation, and the positioning frame and the positioning strip are connected through a limiting mechanism. The limiting mechanism comprises a cavity, a clamping block, a clamping groove and a spring, and the cavity is formed in the positioning strip. According to the pre-embedded fabricated building foundation, after positioning strips are inserted into positioning frames, clamping blocks are pressed to be shrunk into cavities, springs are driven to be compressed, after the positioning strips continue to move, the clamping blocks correspond to clamping grooves, the clamping blocks are inserted into the clamping grooves under the springback of the springs, and therefore the first foundation and the second foundation can be completely assembled; and in the transportation process, the first foundation and the second foundation can be transported separately, the good splitting effect is achieved, the use requirement of building construction is met, and the foundation installation efficiency is improved.

The present invention discloses a breast puncture device under ultrasound guidance, including an equipment box and a moving wheel installed at the bottom of the equipment box, a display screen is arranged on the top of the equipment box, a puncture positioning assembly is arranged on the side of the equipment box, and the puncture positioning assembly includes a suspended mounting plate, and a rotating U-shaped mounting frame is fixedly installed on the top of the suspended mounting plate. In the breast puncture device under ultrasound guidance, the negative pressure inside the hollow vertical cylinder and the suction cup makes the areola of the breast completely fit with the inner wall of the suction cup, so as to realize the adsorption and positioning of the breast from the areola, and the covering range of the breast is small, which is more conducive to the doctor to perform the puncture operation. Then, the rotating knob can drive the vertical threaded rod to rotate, and under the vertical transmission action of the vertical threaded rod and the welding plate, the spacing between the movable mounting block and the welding plate is adjusted, that is, the breast is stretched up and down as a whole to avoid the sagging of the breast affecting the positioning, and the threaded control can be stopped at any time, with strong controllability and more flexibility.

The utility model relates to a special pillow for radial artery blood gas collection, which comprises a base, a box cover arranged on the base and a power supply, and a channel for an arm to pass through is formed between the base and the box cover; a supporting surface for placing an arm is arranged at the upper end of the base corresponding to the channel, an inclined supporting surface is arranged on one side of the base, and the supporting surface and the inclined supporting surface are in smooth transition; the supporting surface is provided with a concave surface for supporting an arm, the concave surface is provided with a heating module, and the concave surface extends to the inclined supporting surface; three air bag type pressing blocks are arranged in the channel corresponding to the box cover, air pump devices used for inflating the air bag type pressing blocks are arranged in the base corresponding to the air bag type pressing blocks, and the power source supplies power to the air pump devices and the heating module. The air bag type pressing blocks correspond to the position over the arm and the radial artery and ulnar artery of the arm respectively, and a puncture operation space is formed in the side, close to the inclined supporting face, of the box cover above the base. The radial artery blood gas collecting device can be used as a support for an arm during radial artery blood gas collection, and can also be used for assisting an Allen test before puncture.

The present disclosure provides a cranial puncture device, which includes a drill bit, a hose fixing part and an anti-bend joint; the drill bit includes a detachably connected base and a drill body, the hose fixing part includes a fixing seat and a fixing cap, and the anti-bend joint includes an upper section and a lower section. During implementation, the base and the drill body are detachably connected through the corresponding snap groove, the snap fit of the snap one, and the corresponding positioning column is embedded in the corresponding positioning groove one, thereby assembling into the drill bit; after the drill bit is used to complete the puncture work, the drill body is removed from the base, and only the base is retained on the skull, and the through hole on the base is maintained as an open channel, and then the base and the hose fixing part are detachably connected through the snap fit of the snap groove and the snap two, and the corresponding positioning column is embedded in the corresponding positioning groove two, thereby combining the base, the hose fixing part, and the anti-bend joint into a final fixing device, at which time all the through holes together constitute a channel for the drainage hose to pass through.

The utility model discloses a medical puncture outfit, and relates to the technical field of puncture outfits. The puncture device comprises a puncture tube, a puncture needle and an observation needle, the puncture tube is used for puncturing, the puncture needle and the observation needle are used for blocking a needle hole and observing the interior during puncturing respectively, a puncture opening is formed in one end of the puncture tube, a protection plate is fixedly arranged at one end of the puncture tube, and the protection plate is fixedly connected with the puncture tube. A connecting plate is fixedly arranged on one side of the protection plate, a connecting opening is fixedly formed in the outer surface of the connecting plate, a puncture groove is formed in one end of the puncture tube and one side of the connecting plate, and an air groove is formed in the lower end of the connecting opening. The medical puncture outfit is simple in structure and convenient to use, gas can be injected into the abdomen through the connecting port, so that the medical puncture outfit can conveniently puncture, and the needle core of the medical puncture outfit can be conveniently replaced through the puncture needle and the observation needle.

The utility model relates to the technical field of medical instruments, in particular to an improved lumbar puncture needle. Comprising a hollow puncture needle body and a needle core, scales are arranged on the hollow puncture needle body, the hollow puncture needle body further comprises a supporting limiter, the supporting limiter is used for supporting the hollow puncture needle body and limiting the puncture depth of the hollow puncture needle body, and the scales are arranged on the outer wall of the hollow puncture needle body, so that medical staff can observe the puncture depth conveniently during puncture, and the puncture depth is limited. Meanwhile, the supporting and limiting assembly is arranged and used for supporting the hollow puncture needle, the situation that in long-time puncture, the position of the hollow puncture needle moves, and the patient is affected is avoided, the puncture depth is limited through the supporting and limiting assembly, and the situation that the patient is injured due to excessive puncture in the puncture process is avoided.

The application discloses a kind of adhesive tape box sealing device, belong to adhesive tape box sealing equipment technical field.It includes sealing frame, adhesive tape support, cutting tool, adhesive tape head folding mechanism and fixed piece turnover mechanism, adhesive tape head folding mechanism includes folding pressing frame, adhesive tape head fixing part and pressing frame reset mechanism, the middle part of folding pressing frame is hingedly arranged on sealing frame, one end of folding pressing frame is pressing end, the other end is driving end, and adhesive tape pressing mechanism is arranged on driving end;Adhesive tape head fixing part is used to fix adhesive tape head, and adhesive tape head fixing part is rotatably arranged on sealing frame by connecting rod, under the action of rotating drive mechanism and fixed piece turnover mechanism, adhesive tape head fixing part can carry adhesive tape head and be turned over and adhered to the adhesive tape in the direction away from cutting tool.The application has simple structure, can meet the needs of subsequent unpacking on the basis of meeting adhesive tape sealing, improves the unpacking efficiency and safety of packaging box.

The utility model discloses a simple sampling device which comprises a sampling tube, a sampling tube shell, a sliding block and a driving device, the sampling tube is installed in the sampling tube shell in a sliding mode, the sliding block is connected and installed on the sampling tube, and the driving device drives the sliding block to slide and pushes the sampling tube to slide out of the sampling tube shell. According to the technical scheme, when the sampling tube is slidably arranged in the sampling tube shell and is similar to a plunger structure, and materials need to be sampled, the sampling tube shell can be in butt joint with the outer portion of a material bin, and then the driving device pushes the sampling tube to slide out of the sampling tube shell and extend into the material bin through sliding; and the material enters from the feeding hole of the sampling pipe and rushes out from the discharging hole at the other end, so that the sampling of the material is completed. The device is simple in structure, convenient to assemble, maintain and disassemble and small in overall size, the total weight of the device can be controlled to be about 16 kg in actual application, the weight is light, and the use convenience of the device is improved.

The present application relates to an aerosol generating device and a microwave heating module, the microwave heating module comprising a microwave radiation structure at least partially for insertion into an aerosol generating article; the microwave radiation structure comprising a main body portion and a tip portion connected to one end of the main body portion; the main body portion and the tip portion being flat. The present application can facilitate piercing of a blocking section of the aerosol generating device while allowing contact with the medium without concern, thereby achieving temperature measurement.

The invention relates to the field of medical auxiliary supplies, in particular to a far-end radial artery puncture auxiliary device which comprises a connecting block and an arm support arranged on the connecting block, a direction adjusting assembly is arranged in the arm support, a wrist support is rotatably connected to the direction adjusting assembly, an angle adjusting assembly is arranged in the wrist support, and the angle adjusting assembly is rotatably connected to the wrist support. A hand support is fixedly connected to the angle adjusting assembly, the wrist support and the hand support are both located above the connecting block, and restraint straps are arranged on the wrist support and the hand support. Adjustment of the radial artery puncture angle is achieved through the angle adjusting assembly, so that the hand is in the optimal puncture posture, the radial artery puncture part is located above and fully exposed through adjustment of the direction adjusting assembly, stable support is provided for the hand, puncture is facilitated, and the puncture success rate is increased; the technical problem that in the prior art, in the puncture process, adjustment of the puncture position and hand restraint cannot be achieved at the same time is solved.

The invention relates to the technical field of medical apparatus and instruments, in particular to a spinal anesthesia cerebrospinal fluid color-changing puncture needle for anesthesia, which at least comprises an input part used for rotatably regulating and controlling the angle of mounting an injector and forming two channels used for conveying anesthetics; the color developing part is used for assisting taking and arranged at the end of the input part, anesthetic flows into the color developing part through bidirectional impact of the input part, a puncture needle tube is arranged at the input end of the color developing part, a needle core is arranged in the puncture needle tube, and the color developing part is used for displaying when the puncture needle tube makes contact with cerebrospinal fluid. The purpose of rotationally regulating and controlling the angle of the injector is achieved by regulating and controlling the inclination angle of part of the structure through the input part, anesthetics collide with one another and are mixed doubly through other structures in the input part and the color developing part, the anesthesia effect is improved, and part of the structure of the color developing part makes contact with cerebrospinal fluid, so that the anesthetic effect is improved. And other structural colors in the color developing part are changed, so that puncture is facilitated, and pain of a patient is reduced.

The invention relates to the technical field of medical instruments, in particular to a ball pricking needle for uniform injection in tumors, which comprises a puncture part and a handheld part, the handheld part comprises an upper tube body, a lower tube body and a connecting arm connected between the upper tube body and the lower tube body; the puncture part comprises an outer tube, a core needle movably inserted into the outer tube and a puncture needle assembly connected between the outer tube and the core needle, the core needle is in threaded connection with a nut and sleeved with a sealing ring, the nut is rotationally connected between the upper tube body and the lower tube body and located on the inner side of the connecting arm, and the sealing ring is sleeved with the nut. The sealing ring is in sealing contact with the inner wall of the outer pipe, the upper end of the outer pipe is connected with the lower end of the lower pipe body, and the axis of the outer pipe coincides with the axis of the upper pipe body and the axis of the lower pipe body. One-time puncture and multi-point injection in a tumor can be achieved more easily, liquid medicine can be prevented from flowing out in the injection process, organs around the tumor are not prone to being damaged in the injection process, and use is safer.

The utility model discloses a hair follicle extraction needle, a hair follicle extraction mechanism and hair follicle extraction equipment, and relates to the technical field of hair follicle extraction. The hair follicle extraction needle comprises a hollow needle head, the needle head is assembled and fastened through the mounting positioning seat; a dynamic sealing connection hollow shaft rod is fixed at one end, deviating from the extraction needle, of the mounting positioning seat; the end, deviating from the needle head, of the inner side of the dynamic sealing connection hollow shaft rod is fixedly connected with a thread fastening device; a conicity mounting seat which is in threaded connection with a threaded fastening device is arranged in one end, facing the needle head, of the hair follicle extraction needle body; the diameter of the thread fastening device is greater than that of the needle tail of the hair follicle extraction needle; and a hollow hole step-by-step variable-diameter step exists from the needle head to the needle tail. A skin breaking structure is arranged at the front end of the device, so that puncture is facilitated, and medical staff can take out hair follicle tissue conveniently. A hollow structure is arranged in the needle, a dynamic sealing device is connected, tissue waste liquid and redundant blood after skin breaking can be extracted, and the flexibility of a puncture mechanism is improved.

The utility model belongs to the technical field of medical apparatus and instruments, and concretely relates to a multifunctional nerve stimulation needle, which comprises a puncture needle and a mounting portion arranged at the tail end of the puncture needle, an anesthetic needle is arranged in the inner cavity of the puncture needle, the sharpness of the needle tip of the anesthetic needle is greater than that of the puncture needle, an internal thread is arranged on the upper portion of the inner side wall of the mounting portion, the tail end of the anesthetic needle is provided with an extension portion, the extension portion is assembled on the mounting portion, and the extension portion axially slides and is screw-coupled relative to the mounting portion. The nerve stimulation needle of the technical scheme increases a thin sharp cavity on the basis of the existing blunt puncture needle, that is, the thin anesthetic needle passes through, which is beneficial to puncture and can reduce the damage of the nerve stimulation needle to the tissue.

The invention discloses efficient plastic lunch box processing and forming equipment and a forming method, and belongs to the technical field of plastic lunch box processing.The efficient plastic lunch box processing and forming equipment comprises a first mounting frame, a second mounting frame is fixedly connected to one end of the first mounting frame, and a heating structure is arranged on the side, close to the second mounting frame, of the upper surface of the first mounting frame; a forming structure is arranged on the side, close to the heating structure, of the upper surface of the first mounting frame. A guide assembly is arranged, a plastic film is punctured through a fixing nail, the plastic film is fixed to a connecting plate, then the connecting plate is driven to drive the plastic film to move, the plastic film sequentially penetrates through a limiting structure, a heating structure, a forming structure and a cutting structure, and after the plastic film just penetrates through a corresponding structure, the corresponding structure can be started to machine the plastic film; therefore, the plastic film can automatically penetrate through the processing and forming equipment to be processed, a large amount of time can be saved, and the working efficiency of the processing and forming equipment is improved.

The utility model relates to the technical field of medical supplies, in particular to a PICC (Peripherally Inserted Central Catheter) catheterization chair which comprises a chair back, a supporting plate is arranged on the chair back, is used for supporting arms of a patient, can move in the length direction of the chair back and has a supporting state, and the supporting plate supports the arms of the patient in the supporting state. When the supporting plate is in a supporting state, an included angle alpha is formed between the length direction of the supporting plate and the length direction of the chair back, and alpha is larger than or equal to 70 degrees and smaller than or equal to 90 degrees. In the application, the supporting plate can be conveniently adjusted to the arm of the patient, so that the supporting plate can conveniently support the arm of the patient, and during supporting, the included angle between the length direction of the supporting plate and the length direction of the chair back is 70-90 degrees, so that the arm of the patient is perpendicular to the trunk during PICC (Peripherally Inserted Central Catheter) catheterization, PICC catheterization is facilitated, and meanwhile, the supporting plate can be conveniently adjusted to the arm of the patient. The fatigue feeling of the patient is reduced, the comfort level of the patient is improved, and the condition that the patient stands or squats is avoided.

The invention belongs to the technical field of high-pressure injectors, and particularly relates to a liquid bottle puncture device and a puncture method thereof. The liquid bottle puncturing device comprises a rack; the puncture outfit seat is fixedly connected with the rack, and the puncture outfit seat is used for puncturing a liquid bottle; the support assembly is connected with the rack in a sliding mode, and the support assembly is used for fixing a bottle opening of the liquid bottle; and the downward pressing assembly is in sliding connection with the rack, and the downward pressing assembly is used for abutting against the bottle bottom of the liquid bottle and sliding towards the puncture outfit seat.

The utility model belongs to the technical field of cable connectors, and particularly relates to an RF coaxial cable connector, which comprises a cable body and a connector body, an installation space used for plugging of the cable body is formed in the connector body, the cable body is sequentially provided with a shielding layer, an insulator and a battery cell from outside to inside, and the shielding layer is arranged on the connector body. A plurality of puncture needles are arranged outside the connector body in an annular array, one end of each puncture needle can be movably inserted into the shielding layer, a wiring hole and a through hole sequentially penetrate through the connector body in the axial direction, the mounting space is formed in the wiring hole, the battery cell is arranged in the through hole in a penetrating mode, and the battery cell is arranged in the through hole in a penetrating mode. According to the utility model, the plurality of puncture needles are additionally arranged, the shell of the connector body can be connected with the shielding layer in the cable body through the puncture needles, and meanwhile, the cable body can be prevented from being separated from the connector body through the plurality of puncture needles.

The application discloses a meniscus suture device which comprises an axis extending in an extending direction, and comprises a puncture needle, a pushing needle and a handle; the pushing needle is coaxially arranged with the puncture needle and movably arranged in the puncture needle; the handle is internally provided with a pushing assembly and a rotating assembly; the pushing assembly is arranged on one side of the rotating assembly close to the proximal end; the pushing assembly is connected with the pushing needle to push the pushing needle to move in the extending direction; the rotating assembly is connected with the puncture needle to realize rotation of the puncture needle by the extending direction as an axis by a preset angle. The application realizes rotation of the puncture needle by the preset angle by the rotating assembly, solves the problem that the puncture needle of the current meniscus suture device cannot rotate left and right, and simultaneously, the rotating assembly can be adopted to accurately control the rotation angle of the puncture needle, and the puncture range of the distal end of the puncture needle is expanded.

The utility model provides an efficient cutting structure for stacked automobile seat fabric. The stacked type automobile seat fabric efficient cutting structure comprises a fabric stacking assembly, a cutting knife and a pressing head. The cutting knife is arranged on the pressing head in a protruding mode, the pressing head is used for pressing the stacked fabric assembly, and the cutting knife is used for cutting the stacked fabric assembly; the stacked fabric assembly comprises an oiled paper film, a plurality of fabric pieces and bottom punching paper which are sequentially stacked; the oil paper film faces the cutting knife, a plurality of vent holes are formed in the bottom punching paper, and the bottom punching paper is used for abutting against the workbench. A plurality of suction holes are further formed in the end, close to the cutting knife, of the pressing head, and all the suction holes face the fabric stacking assembly. According to the efficient cutting structure for the stacked type automobile seat fabric, negative pressure suction can be conducted on the fabric piece through the suction holes, so that the fabric piece can be rapidly restored after deformation, the problem that the cutting precision is low due to the deformation amount of the fabric piece is effectively solved, and finally the flatness of a tangent plane is improved.

The utility model relates to a photovoltaic module and a photovoltaic system. The photovoltaic module comprises a photovoltaic laminated piece, at least two connecting pieces, a bonding layer and a sealing piece, wherein the at least two connecting pieces are arranged on one side of the photovoltaic laminated piece at intervals; each connecting piece is connected with the photovoltaic laminated piece through a bonding layer; the sealing piece is arranged around the bonding layer, the sealing piece is connected with the photovoltaic laminating piece and the connecting piece, a sealed space is defined by the sealing piece, the photovoltaic laminating piece and the connecting piece, and the bonding layer is located in the sealed space. The connecting piece and the photovoltaic laminated piece are bonded and fixed through the bonding layer and the sealing piece, the sealing piece protects the bonding layer from being influenced by weather and illumination, water vapor acid and alkali substances are prevented from permeating and damaging the bonding performance of the bonding layer, the situation that the bonding layer is prone to aging and failure is effectively improved, the use quality of the bonding layer is improved, the service life of the bonding layer is prolonged, and the connection firmness is improved; the probability of falling and breaking of the photovoltaic module is effectively reduced, and the power generation efficiency and the service life of the photovoltaic module are improved.