10results about How to "Improve puncture ability" patented technology

The invention discloses a high-operation-stability puncture device for nephrology doctors. The high-operation-stability puncture device comprises an adjusting mechanism and a positioning mechanism. The adjusting mechanism comprises a base, a vertical plate is fixedly connected to the top of the base, an empty groove is formed in the vertical plate, a shell is movably connected to the interior of the empty groove, an internal thread cylinder is movably connected to the interior of the shell, and a threaded column is fixedly connected to the bottom of the shell through a connecting block. According to the puncture device with the high operation stability for the nephrology department doctor, through the arrangement of the adjusting mechanism and the positioning mechanism, after the base moves to a designated position, the height position and the horizontal position of the internal thread barrel can be adjusted and positioned, and therefore the positioning mechanism can correspond to the position of a puncture needle conveniently; the bidirectional screw rod can drive the nephrology department puncture needle jacket to clamp the puncture needle under the action of the torsional spring; through the arrangement, the puncture needle is kept in a stable vertical state in the puncture process, and the puncture effect is improved.

The application relates to a clamping jaw device, which comprises a first driving structure; the first transmission structure comprises a first transmission gear assembly and a first transmission shaft; a lifting piece is sleeved on the first transmission shaft and can move along the axial direction of the first transmission shaft under the rotation action of the first transmission shaft; a guide assembly comprises a first guide piece and a second guide piece; the first guide piece is connected to the lifting piece and synchronously lifts with the lifting piece; under the lifting action of the first guide piece, at least two second guide pieces are gathered or dispersed along the radial direction of the first transmission shaft; the at least two second guide pieces are gathered or dispersed so that a clamping piece clamps or releases an internal fixation needle. The clamping jaw device provided by the application can replace the manual grabbing of the internal fixation needle by a doctor, thereby relieving the hand fatigue of the doctor; through the feedback of the electric driving structure, the clamping force of the clamping piece on the internal fixation needle and whether the internal fixation needle has the clamping deviation phenomenon can be judged, thereby improving the puncture effect and puncture efficiency.

The utility model discloses a kind of needle-in-needle puncture devices for ultrasound imaging enhanced minimally invasive lumbar puncture, the needle-in-needle puncture device includes guide needle, lumbar puncture needle and lumbar puncture auxiliary needle;The guide needle tube is hollow structure;The outer surface of one end of the guide needle tube is equipped with the first coating area of enhanced ultrasound imaging;The lumbar puncture needle includes lumbar puncture needle tube, and the lumbar puncture needle tube is located in the guide needle tube;The inside of the lumbar puncture needle tube is hollow structure;The outer surface of one end of the lumbar puncture needle tube is equipped with the second coating area of enhanced ultrasound imaging;The lumbar puncture auxiliary needle includes needle core, and the needle core is located in the lumbar puncture needle tube, and the needle core structure is compatible with the lumbar puncture needle tube structure.Compared with prior art, the needle-in-needle puncture device for ultrasound imaging enhanced minimally invasive lumbar puncture of the utility model improves the visual effect and operation accuracy under ultrasound guidance in puncture process.

The invention discloses a medical puncture device, and relates to the technical field of medical instruments, and the technical scheme is that the medical puncture device comprises a connecting frame, two first adjusting mechanisms are symmetrically arranged at the upper end of the connecting frame, transmission sliding rails are fixedly connected to the sides, away from the connecting frame, of the first adjusting mechanisms, and the first adjusting mechanisms can drive the transmission sliding rails to rotate; when the device is used, a puncture needle can be fixed to a puncture mechanism through the fixing assembly, then the sliding block can be pushed to move along the transmission sliding rail through the shifting piece, the puncture needle is driven to move through the sliding block, and the puncture needle can move to the position close to a puncture position; then the puncture needle can be driven to rotate through the first adjusting mechanism and the second adjusting mechanism, the puncture needle can be rapidly rotated to the puncture position through adjustment in two directions, the puncture angle of the puncture needle can be adjusted, and the puncture effect of the puncture needle is improved.

The utility model relates to the technical field of film production, especially to a high-strength environment-friendly wrapping film, the film body of the utility model is composed of three layers of self-adhesive layer, reinforcing layer and antistatic layer. The complementary of different layer material performance significantly improves the overall structural strength of the wrapping film. The reinforcing layer of the wrapping film selects polyethylene fiber reinforcement, the main base material of which is linear low-density polyethylene and metallocene polyethylene, and is obtained by physical blending with medium-density polyethylene as a compatibilizer. Linear low-density polyethylene has good flexibility and puncture resistance, metallocene polyethylene has high strength and excellent mechanical properties, and medium-density polyethylene as a compatibilizer can ensure uniform mixing of all components, so that the polyethylene fiber reinforcement has excellent strength and toughness, and the ability of the wrapping film to resist external impact and puncture is enhanced.

The utility model discloses a fascia suturing tool which can guide suturing and penetrate through subcutaneous fascias on the two sides of a wound, and the operation process is convenient, fast and efficient. According to the technical scheme, the pair of surgical forceps is characterized by comprising a first forceps body, a second forceps body, a control handle and a guide wire, the control handle comprises a first grip and a second grip, the first grip is connected with the first forceps body, the second forceps body is connected with the second grip, and the first forceps body and the second forceps body are hinged to each other; the end, away from the first grip, of the first forceps body and the end, away from the second grip, of the second forceps body are both puncture portions, the first forceps body is provided with a first channel allowing a guide wire to penetrate through, the second forceps body is provided with a second channel allowing the guide wire to penetrate through, and when the first forceps body and the second forceps body are buckled, the first channel is communicated with the second channel. The guide wire can drive an existing suture line to sequentially penetrate through the first channel and the second channel, and the guide wire drives the suture line to penetrate out of the side, close to the control handle, of the second clamp body.

The bionic leech adsorption type venipuncture robot comprises a puncture robot supporting frame, a puncture robot body, a skin adsorption device, a hoop hemostat, an arm support and a platform. A puncture robot supporting frame is arranged on one side of the platform, the puncture robot is composed of a continuum mechanical arm and a puncture tail end and arranged above the puncture robot supporting frame, the skin adsorption device is fixed to the top of the far end of the continuum mechanical arm, and a hoop hemostat is arranged on the other side of the platform. And the arm support is arranged behind the hoop hemostat in parallel. According to the invention, a novel adsorption puncture blood sampling mode is adopted to realize precise puncture. The device can slightly shake along with the arm of the patient to reduce the fear of the patient and improve the comfort of the patient. Compared with an existing vein blood sampling robot, the vein blood sampling robot has better follow-up performance and safety, and the harm caused by slight shaking of a patient and the risk that medical workers are infected with viruses can be reduced to a certain degree.

The utility model provides a deep venipuncture catheterization auxiliary device and a deep venipuncture catheterization system. The deep venipuncture catheterization auxiliary device comprises a base, a clamping device and a locking mechanism. The clamping device is rotationally connected with the base and used for clamping or releasing the ultrasonic probe. The locking mechanism is arranged between the base and the clamping device and used for limiting relative rotation between the clamping device and the base during locking. When deep vein puncture catheterization is carried out, a medical worker finds a puncture point through the ultrasonic probe. And then, after the ultrasonic probe is fixed on the clamping device, the base is supported on the human body, and the ultrasonic probe is aligned with the puncture point. At the moment, a medical worker can hold the base with one hand or fix the base on the human body through a sterile medical film and the like, and puncture operation can be conducted with the other hand or two hands. The base increases the contact area with the human body, so that the ultrasonic probe is more stable, and displacement is effectively prevented. And when the base is fixed by using the sterile medical adhesive film, both hands can be liberated, and the puncture effect is further improved.

The utility model provides an electrode bar device for geophysical exploration electrical method operation, which comprises an electrode bar main body, a hoop is arranged on an annular groove arranged on the side surface of the electrode bar main body through a fixing piece, the top of the electrode bar main body is electrically connected with a wire, and one end of the wire far away from the electrode bar main body is fixedly provided with a joint. A middle plate is welded to the side wall of the clamping hoop, a winding roller piece is fixed to the side wall of the middle plate, and a notch matched with a wire is formed in the winding roller piece. The winding roller is arranged on the side wall of the hoop, a wire can be manually wound on the winding column after exploration is completed, effective storage of the wire is achieved, disorder of the wire is avoided, carrying is convenient, the wire is well protected, the wire is prevented from being damaged in the carrying process, and the service life of the wire is prolonged. Meanwhile, the wound wire can be clamped and fixed through the opening formed in the winding roller piece, and it is further ensured that the wire cannot be scattered in the carrying process.

The invention relates to a multilayer microporous membrane and uses thereof. The multilayer microporous film comprises: a first layer; a second layer; and a third layer; the first layer and the third layer are arranged on two sides of the second layer; wherein the second layer comprises from 60% to 100% by weight of a homo-polypropylene having a melt flow rate at 2.16 kg / 230 DEG C of from 0.2 to 5 g / 10 min, an isotactic index of > = 95%, and a total inorganic element content of < = 50 ppm, based on the total weight of polymers in the second layer; at least one of the first layer, the second layer, and the third layer comprises a copolymer selected from a propylene-based copolymer, an ethylene-based copolymer, or a combination thereof; the thickness of the multilayer microporous membrane is less than 20 [mu] m. The multi-layer microporous membrane can be used as a battery diaphragm, and can realize membrane thickness reduction, low defect rate and safe operation in a battery assembly process.