104 results about "Needle placement" patented technology

The invention discloses a hemodialysis puncture needle fixator, and relates to the technical field of medical instruments. The hemodialysis puncture needle fixator comprises a connecting rod, a puncture needle placing plate, a base, a sliding block and a fastening screw, the base is used for being placed in front of a puncture position of a patient, and sliding grooves perpendicular to the edges of the front side, the rear side and the right side of the upper surface of the base are formed in the front side, the rear side and the right side of the upper surface of the base; the puncture needle placing plate is arranged on the upper surface of the base, is positioned among the three chutes, and is parallel to the front side edge and the rear side edge of the upper surface of the base; the number of the connecting rods and the number of the sliding blocks are both three, connecting lugs are arranged on the upper surfaces of the sliding blocks in an upward protruding mode, and the three sliding blocks are arranged in three sliding grooves in the base in a sliding mode. The middle areas of the front side wall and the rear side wall of the puncture needle containing plate are perpendicularly and rotationally connected with rotating shafts, and connecting lugs are arranged at the ends, opposite to the ends connected to the puncture needle containing plate, of the rotating shafts. According to the hemodialysis puncture needle fixator, the fixing angle of the puncture needle can be changed at will, and high efficiency of dialysis treatment is effectively guaranteed.

A self-service workstation for replacing tungsten needles in welding guns comprises a circular conveyor line assembly, a number of loading units mounted on the conveyor line assembly, and a first, second, third, fourth, fifth, and sixth station, arranged sequentially on the outside of the conveyor line assembly. The first station is a tungsten needle placement station, the second station is a tungsten needle clamping station, the third station is a tungsten needle collection station, the fourth station is a tungsten needle grinding station, the fifth station is a tungsten needle clamp opening station, and the sixth station is a tungsten needle removal station. The first to fourth stations are located at the front end of the conveyor line assembly, while the fifth and sixth stations are located at the rear end of the conveyor line assembly, forming a "qualified tungsten needle storage area" between the fourth and fifth stations. Driven by the conveyor line assembly, any loading unit can be transported to a specific station. This workstation can complete the replacement of tungsten needles and automatically grind old tungsten needles, effectively improving the efficiency of robot welding.

An exemplary medical device includes a handle, an actuation mechanism coupled to the handle, and a delivery needle, where a proximal end of the delivery needle is coupled to a first end of the handle. A fluid delivery device is coupled to the second end of the housing, and a retractable sensor is positioned within the handle. The retractable sensor is configured to extend through a lumen of the delivery needle in a non-retracted position during placement of the delivery needle in a patient, where actuation of the actuation mechanism proximally retracts the retractable sensor through the lumen of the delivery needle into the handle to the retracted position.

The utility model relates to a fixing patch for preventing a remaining needle from being bruised, which comprises a transparent dressing, a fixing mechanism and a remaining needle, the transparent dressing covers the upper surfaces of the fixing mechanism and the remaining needle and is adhered to the skin, and the remaining needle fixing patch is formed by placing the remaining needle between a first non-woven fabric adhesive tape and a second non-woven fabric adhesive tape in the fixing mechanism. The first non-woven fabric adhesive tape is located below the protective cap, the end, away from the end fixed to the second non-woven fabric adhesive tape 22, of the first non-woven fabric adhesive tape covers the infusion tee joint and the PVC infusion tube, the first non-woven fabric adhesive tape adheres to the skin, the infusion tee joint and the PVC infusion tube, the protective cap does not rotate, and at the moment, the protective cap of the remaining needle is located over the sponge block. The sponge block plays a role in pressure buffering, skin pressure injury is avoided, the skin is protected, then the second non-woven fabric adhesive tape covers the protective cap and the upper surface of the first non-woven fabric adhesive tape, the remaining needle is fixed and does not swing left and right, and the whole structure is simple and convenient to operate.

The utility model discloses an in-vitro sighting device for femoral trochanter fracture, and relates to the technical field of fracture surgical instruments. Comprising a matching frame, an extension structure, a guide cylinder and a developing needle, the matching frame is U-shaped, the corner of the matching frame is of a right-angle structure, the opening of the matching frame is placed towards one of two sides, a matching hole is formed in a middle plate between two side plates of the matching frame, the extension structure is arranged on the upper side of the matching frame, and the guide cylinder is arranged on the extension structure. The extending structure extends in the direction away from the matching frame, a guide cylinder is arranged on the extending structure and is arranged in the opening direction of the matching frame, a sliding hole is formed in the central axis of the guide cylinder, and a developing needle is slidably connected into the sliding hole of the guide cylinder; through cooperation of the matching frame and the sighting device and the height of the extension structure, the developing needle in the guide cylinder is higher than the front side of the thigh and corresponds to the position of the guide needle to be placed through the sighting device, the position of the guide needle is prompted in a perspective mode, and damage to a patient caused by wrong position and repeated placement of the guide needle is avoided.

The invention relates to a continuous needle placement device and a continuous needle placement robot system. The continuous needle placing device is mounted at the tail end of the mechanical arm and is used for storing and automatically supplying one or more internal fixing needles; and the inner fixing needles are conveyed according to the poses of the inner fixing needles, so that one or more inner fixing needles are sequentially placed into the target object. According to the device, continuous and automatic needle placement of the multiple internal fixing needles can be achieved, and continuous placement of the multiple internal fixing needles can be conducted at a time.

The invention belongs to the technical field of medical equipment, and discloses a multi-card needle arrangement device and method based on magnetic induction navigation, the multi-card needle arrangement device comprises a puncture needle, a magnetic excitation controller, a body surface electrode slice and an electromagnetic navigation host, the puncture needle comprises a main needle and at least one slave needle, the needle tips of the main needle and the slave needle are provided with ablation electrodes, and the needle tails are provided with electrode caps. Intermittent weak alternating current is injected into a loop formed by the main needle and the body surface electrode plate through the magnetic excitation controller, and a positioning magnetic field is generated in the object body; the slave needle detects the magnetic field intensity through the built-in MEMS magnetic sensor, and realizes accurate positioning by combining the angle data of the tilt angle sensor. The device is reasonable in structural design, convenient to operate, safe, reliable and suitable for a multi-needle collaborative ablation operation in tumor minimally invasive therapy, the problems of external interference and sensor drifting in traditional multi-needle navigation are solved, and the precision and stability of multi-needle needle arrangement are remarkably improved.

The present invention discloses an infusion safety clamp, characterized by comprising a clamp head and a positioning piece; the clamp head having a clamping groove capable of being clamped to the neck of an infusion bottle, and left and right clamping plates for an operator to apply force to open the clamping groove; the left and right clamping plates respectively having an infusion needle placement groove and an infusion needle positioning hole; the positioning piece is bendable, with one end connected to the clamp head and the other end having a puncture device positioning portion. The present invention can prevent the puncture needle from falling and provide a place for the infusion device, significantly improving the convenience of operation for medical personnel.

The invention relates to the technical field of sewing machine equipment, in particular to a needle taking device of a sewing machine needle, a touch display screen, a face camera, a recycling mechanism and a needle withdrawing mechanism are arranged on a machine case, in the needle taking device, when a worker needs to replace a damaged needle, the damaged needle is placed on the recycling mechanism, and the needle withdrawing mechanism is used for withdrawing the needle; according to the needle replacing and recycling device, the touch display screen is started, the face camera is started through the touch display screen to register a worker, then the recycling mechanism recycles the damaged needle, finally, the needle needed by the worker is sent to the needle discharging platform through the needle discharging mechanism, the worker takes away a new needle, and therefore the damaged needle is replaced and recycled. Compared with the prior art, the needle changing recording device has the advantages that needle changing recording can be automatically performed on needle changing workers without human participation, and new needles are recycled and sent out, so that the working efficiency of needle changing is improved.

The invention discloses a kirschner wire positioning device for an Illis frame, and relates to the technical field of medical instruments, and the kirschner wire positioning device comprises a positioning frame which is used for being connected to an Illis frame ring and can be adjusted in the circumferential direction of the Illis frame ring and fix the relative position of the positioning frame and the Illis frame ring; the positioning frame is provided with at least one needle placing channel, and the needle placing channel is used for allowing a kirschner wire to penetrate through. According to the kirschner wire positioning device for the Illis frame, the needle placing efficiency is improved, and the operation time is shortened.

The embodiment of the invention provides a needle supply device which comprises a supporting arm, a first driving assembly and a needle box, the needle box comprises a box body and a clamping piece, and the first driving assembly is arranged at the first end of the supporting arm and connected with the first end of the box body to drive the box body to rotate around the axis of the box body; the box body is cylindrical, N clamping piece sets are arranged on the outer wall of the box body in the circumferential direction, and one clamping piece set comprises M clamping pieces arranged in the axial direction of the box body; the clamping piece is used for clamping the inner fixing needle; the M clamping pieces in one clamping piece group are used for clamping the same inner fixing needle, so that the inner fixing needle is parallel to the axis of the box body, and N and M are integers greater than or equal to 1.

The invention discloses an angle locator for ablation biopsy needle puncture under CT guidance, which belongs to the technical field of ablation biopsy needle angle locators. During the movement, the main gear at the outer end of the rotating rod drives the slave gear one and the slave gear two to be linked, and drives the positive screw and the reverse screw to rotate. During the rotation, the positive screw and the reverse screw push the abutment pad to extend outward for fixation, so as to realize the function of fixation during the movement and the function of double linkage. The abutment pad can also be moved outward and inward by manual rotation. The internal angle scanning part and the angle identification groove are used in combination to realize the measurement of the rotation angle of the biopsy needle angle adjustment part during the rotation, so as to improve the rotation accuracy and quickly focus. The alignment laser is used in combination with the biopsy needle placement groove, and the alignment laser is connected with the focusing points of the fixed laser and the rotating laser accordingly, so as to realize the function of the biopsy needle being able to be adjusted separately.

This invention provides an imaging-guided placement device for needles or other tissue puncture instruments. In some embodiments, the device includes a guide body comprising MRI-visible material and defining an elongated channel configured to receive and guide the axis of the needle or other tissue puncture instrument along the axis for insertion into a patient.

The invention discloses a traditional Chinese medicine acupuncture and moxibustion nursing disinfection box, and relates to the technical field of traditional Chinese medicine acupuncture and moxibustion nursing equipment.The box body is internally provided with a base table, a strip-shaped opening is formed in the top face of the base table, and an acupuncture and moxibustion needle containing mechanism is slidably assembled on the strip-shaped opening and is in transmission connection with a transmission mechanism below the base table; the transmission mechanism is also in transmission connection with a liftable ultraviolet lamp; the acupuncture needle containing mechanism comprises a vertical frame, the lower portion of the vertical frame slides along a strip-shaped opening through a fixed sliding block, a lead screw nut is machined at the bottom of the sliding block, a rack is arranged above the vertical frame, and a plurality of needle containing hoop frames are integrally machined on the rack. The transmission mechanism comprises a motor, the motor is in transmission connection with a ball screw seat and a spline shaft, a screw of the ball screw seat is in transmission connection with the acupuncture needle placing mechanism, and the shaft end of the spline shaft is fixed on the ultraviolet lamp. Compared with the prior art, the device has the advantages that disinfection is thorough, acupuncture needles can be fixed and protected during disinfection, operation is convenient, and the automation degree is high.

The invention relates to the field of waste liquid recycling equipment, in particular to a dropping liquid recycling mechanism before needle throwing, which comprises a mechanical arm, a needle placing table and two garbage cans are arranged beside the mechanical arm, a tray is placed on the needle placing table, a plurality of injectors are placed in the tray, and a mounting plate is arranged on the mechanical arm. A clamping assembly, an extruding assembly and a separating assembly are arranged on the mounting plate, a recycling frame is arranged beside the mechanical arm, a sealing box with the hollow interior and one open side is arranged on the recycling frame, a sealing door is hinged to the open end of the sealing box and used for sealing the open end of the sealing box, a collecting bottle is placed in the sealing box, and a needle containing opening is formed in the top of the sealing box. The needle containing opening is located over an opening in the top of the collecting bottle, an airtight assembly is arranged on the sealing box, when the needle is inserted into the needle containing opening and separated from the needle cylinder, the airtight assembly is used for sealing a gap between the needle containing opening and the needle, and a negative pressure piece is arranged on the recycling frame. The syringe has the effect of reducing liquid medicine residues in the syringe.

The present invention belongs to the technical field of angle locators for ablation biopsy needles. Disclosed is an angle locator for ablation biopsy needle puncture under CT guidance. During movement, a main gear at the outer end of a rotating rod drives a first driven gear and a second driven gear to perform linkage, so as to drive a right-hand threaded screw and a left-hand threaded screw to rotate; then during rotation, the right-hand threaded screw and the left-hand threaded screw push an abutting pad to extend outward for fixation, thereby realizing the fixation function during movement, and achieving a double-linkage function. The abutting pad also can be manually rotated to move outward and inward. By using an inner angle scanning member in cooperation with angle marking holes, the rotation angle of a biopsy needle angle adjustment member can be measured during rotation, thereby improving the rotation accuracy and also allowing quick focusing. Moreover, an alignment laser is used in cooperation with a biopsy needle placement slot, so that by correspondingly aligning the focus point of the alignment laser and the focus points of a fixed laser and a rotating laser, the function of independently adjusting a biopsy needle can be realized.

The application relates to a needle roller bearing assembling device, and relates to the technical field of needle roller bearings. The assembling device comprises a machine body, an oiling mechanism, a needle placing mechanism, a needle pressing mechanism, a pressing mechanism and a pushing mechanism. The needle placing mechanism comprises a needle placing table provided with a needle placing hole, a needle placing disc rotatably arranged on the machine body and provided with a needle placing groove, a driving assembly for driving the needle placing disc to rotate, a moving table slidably arranged on the machine body, a needle placing pipe connected with a vibrating feeder and used for vertically stacking the needle rollers in the needle placing pipe, and a needle placing assembly used for placing the needle rollers in the inner side of the outer ring. The oiling mechanism is used for applying lubricating grease, the needle placing mechanism is used for extending the needle rollers to the inner side of the outer ring, the needle pressing mechanism is used for pushing the needle rollers to be clamped and installed on the outer groove bodies, and the pressing mechanism is used for pressing the inner ring into the inner side of the outer ring to realize assembling. Therefore, the efficiency and quality of the assembling can be greatly improved.

The invention relates to the technical field of universal joints, in particular to a universal joint bearing pin mounting mechanism which comprises a machining table and a supporting base fixedly arranged on the bottom face of the machining table, a roller pin containing box is fixedly installed on the machining table, a fixing support is further fixedly installed on the machining table, and a transverse pushing air cylinder is further arranged at the top of the fixing support. A downward grabbing device is arranged on the transverse pushing air cylinder, a shell fixing piece is further arranged on the machining table, when the needle is installed, indentations are not prone to appearing on the rolling needle, the phenomenon of early abrasion caused by scratches and scratches on the surface of the rolling needle after the rolling needle is installed is avoided, and the service life and the reliability are guaranteed.

The utility model relates to the technical field of traditional Chinese medicine health care, in particular to a multifunctional box for traditional Chinese medicine health care, according to the multifunctional box for traditional Chinese medicine health care, through cooperation of a classification mechanism, a first placement mechanism and a second placement mechanism, classified placement work of different articles is achieved, searching and taking work is facilitated, and practicability is high; a box door is hinged to the containing box, the containing box and the box door are connected through two lock catches, a silver needle containing area is arranged on the box door, a classifying mechanism is arranged on the containing box and comprises a plurality of partition plates, a containing groove is formed in the containing box, the partition plates are fixedly installed in the containing groove in a crossed mode, and a first containing mechanism is arranged on the containing box. The first placing mechanism comprises two first placing bars, two first sliding grooves are formed in the placing box, the two first placing bars are slidably connected with the two first sliding grooves correspondingly, a connecting shaft is fixedly installed on the placing box, and a baffle is rotatably installed on the connecting shaft.

The utility model belongs to the technical field of blood taking needle production equipment, and particularly relates to a batch type blood taking needle automatic needle distributing and feeding all-in-one machine which comprises a machine frame, a needle distributing device and a needle adsorbing and conveying device, and the needle distributing device comprises a supporting plate, a needle distributing and placing rail, a needle bin and a needle distributing and feeding lead screw module. And the needle head adsorption conveying device comprises a mounting plate, a translation plate, a vacuum adsorption plate, a needle pressing cylinder and a needle feeding lead screw module. The automatic needle distributing and feeding all-in-one machine for the batch type blood taking needle heads is suitable for the point-to-point conveying and injection molding process of the batch type blood taking needle heads, manual operation is replaced, the automation degree is high, and the production efficiency is high.

The utility model discloses standard equipment for detecting loop transfer needle bending selection, which relates to the technical field of knitting production and comprises a box body, a supporting column, an electric push rod, a supporting plate, a pressing rod and a sensor. When the loop transfer needle needs to be detected, the loop transfer needle is placed on the detection plate, then the loop transfer needle is detected through the sensor located above the detection plate, and if the loop transfer needle is detected to be qualified, the electric push rod can drive the supporting plate fixedly connected with the output end of the electric push rod to drive the pressing rod to move; the angle of the detection plate is adjusted through the adjusting part, before the detection plate rotates, the limiting part can relieve limiting on the detection plate, the loop transfer needle falls into a collector located below the detection plate, the detection plate is adjusted to rotate by one circle every time, and if detection is not qualified, the detection plate can be taken away manually; therefore, confusion of qualified products and defective products during detection is avoided.

A joint stabilization method is disclosed. The method includes placing an elongated blunt-tipped pin within a joint of a human, the blunt-tipped pin including a cannulated interior, placing at least one of contrast and medicine within the cannulated interior of the elongated blunt-tipped pin, placing a dilator having a substantially hollow interior over the elongated blunt-tipped pin, while the elongated blunt-tipped pin remains inserted within the joint, placing a drill guide over the dilator and the elongated blunt-tipped pin, the drill guide having a substantially hollow interior section, removing the dilator and the elongated blunt-tipped pin, leaving the drill guide, drilling through the interior of the drill guide to provide a pathway for an implant, and placing the implant within the pathway, the implant to reside within the joint.

The present embodiments relate generally to medical care and more particularly to a new imaging modality referred to herein as electroacoustic tomography (EAT) that not only depicts electrical field energy distribution in real time, but also enables clear discrimination between IRE and RE zones in situ during the treatment. According to some aspects, EAT exploits the phenomenon that the amplitude of acoustic emission generated by an electric field is proportional to the electrical energy deposition in tissue. After detecting these acoustic waves with ultrasound transducers, an image of the electric field distribution can be reconstructed in real-time. This will allow real time monitoring the IRE and provides feedback control of the treatment. Some embodiments are directed to a novel EAT combined with ultrasound (EAT / US) guided IRE intervention that permits a) real time ultrasound image-guided needle placement, and b) intraoperational discrimination of IRE and RE zones during the treatment of cancer.

The utility model discloses a wrist joint injury auxiliary treatment brace with a replaceable micro-needle module, which comprises a wrist joint brace body, and the wrist joint brace body comprises a soft high polymer material layer and support frameworks distributed in the soft high polymer material layer. A movable joint is arranged at the position, corresponding to a wrist joint, of the supporting framework on the wrist joint supporting tool body, at least one micro-needle containing groove is formed in the wrist joint supporting tool body in a penetrating mode, and a micro-needle module is detachably arranged in the micro-needle containing groove. The wrist joint brace comprises a wrist joint brace body, a micro-needle module is arranged on the wrist joint brace body, the micro-needle module comprises a breathable application and a microporous adhesive tape area arranged in the middle of the breathable application, a plurality of micro-needles are arranged in the microporous adhesive tape area, the micro-needle module is combined with the wrist joint brace body, the micro-needles can be used for acupuncture treatment when the wrist joint brace is worn, and the micro-needles are very convenient to replace.

A method for needle position optimization for prostate brachytherapy for use with a radiation delivery device configured to use a plurality of needles inserted into a prostate of a patient includes obtaining imagery of the prostate of the patient, generating a needle pool for prostate brachytherapy treatment of the patient based on the imagery of the prostate of the patient, and determining at a computing device an optimum prostate brachytherapy treatment plan for the patient by iteratively removing needles from the needle pool by forming and computationally solving a convex optimization problem wherein the convex optimization problem uses a quadratic dosimetric penalty function, dwell time regularization by total variation, and block sparsity regularization term.

The present invention relates to a device for measuring, recording, and acting in response to changes in air pressures encountered through the lumen of a connected needle. The device signals when it has been powered and signals when the device recognizes both pressures and pressure change rates indicative of intra-articular or synovial cavity joint penetration, such as knee joint penetration. Synovial cavity pressures detected and acted upon may either be supra- (positive) or sub-atmospheric (negative). Internal light emitting diodes and a laptop connected display are demonstrated as signaling and communication mechanisms. Methods for delivering medicaments into human and animal intra-articular cavities or joints such as synovial cavities are provided. Furthermore, methods for facilitating the diagnoses of joint effusion also are provided.

A medical puncturing device and a system. The medical puncturing device includes a syringe barrel (1), a gasket seal (3), a push shaft (2), an elastic element (12) and a catheter (16). The medical puncturing device enables injection, access, expansion, and / or device implantation in an apparent or potential tissue void, cavity, or vessel (e.g., an epidural space), and is especially useful for achieving precise control of puncturing depth and needle placement, as well as steady injection and injection of a defined volume (e.g., for epidural anesthesia).

The utility model discloses a liquid medicine auxiliary type multifunctional universal needle tank which comprises a piston sleeve, a supporting rod is arranged in the center of the interior of the piston sleeve, the supporting rod is of a hollow tubular structure, the supporting rod and the center line of the piston sleeve are coaxially arranged, and a needle containing block is arranged at the bottom of the supporting rod. A sliding block is horizontally arranged in the needle containing block and slidably connected into the needle containing block, a blood taking needle is arranged at the bottom of the sliding block, a pressing rod and a clamping block are arranged in the supporting rod, the bottom of the pressing rod is fixed to the top of the sliding block, one end of the spring is fixedly connected with the bottom of the clamping block, and the other end of the spring is fixedly connected with the bottom of the clamping block. The sliding block is provided with a liquid medicine storage space, buckles are arranged on the two sides of the sliding block, a plastic film is arranged at the bottom of the piston sleeve, and an alcohol cotton piece is arranged between the piston sleeve and the plastic film, so that the convenience of clinical operation is improved, and the working efficiency of medical workers is improved; the infection risk in the treatment process is reduced.

The utility model discloses sewing machine needle receiving equipment which comprises a cabinet, a plurality of machine needle placing units, a plurality of driving units, a machine needle receiving unit, a receiving opening and a control unit. The machine needle placing unit is arranged in the machine cabinet and is used for placing different types of machine needles; a discharging structure is arranged on the machine needle placing unit; each driving unit is correspondingly arranged on one side of the machine needle placing unit and is used for driving and opening the discharging structure and moving the machine needles out of the machine needle placing unit; the machine needle receiving and taking unit is mounted in the machine cabinet, is positioned below the machine needle placing unit and is used for receiving the machine needle at the material taking structure; the receiving opening is used for receiving the machine needle in the machine needle receiving unit; and the control unit is electrically connected with the driving unit and the machine needle receiving unit respectively. A plurality of machine needle placing units and a plurality of corresponding driving units are arranged in the machine cabinet, and the control unit controls the driving units to move the machine needles in the corresponding machine needle placing units to the machine needle receiving unit for receiving, so that the situation that the machine needles are taken too many and mistakenly is avoided.

The invention relates to the technical field of medical images, in particular to a nerve anesthesia puncture auxiliary positioning method based on an ultrasonic image, which comprises the following steps: acquiring a real-time ultrasonic image of a target area; carrying out automatic identification and segmentation on a neural structure in the ultrasonic image; fusing the probe space pose data acquired by the electromagnetic positioning system with the three-dimensional coordinates of the puncture needle; projecting a neural structure position and a virtual needle insertion path guide line on augmented reality display equipment in real time; compared with the prior art which depends on manual visual inspection of an ultrasonic image to position a neural structure and has the defects of high subjectivity, high requirement on operator experience and low minor nerve tract recognition rate, the scheme adopts a deep learning model based on an improved U-Net + + architecture; millimeter-level accurate recognition and segmentation of a neural structure are achieved in combination with a multi-modal fusion enhancement technology, the definition and stability of neural development under complex anatomical conditions are remarkably improved, and a reliable anatomical basis is provided for puncture path planning.