34 results about "Needle placement" patented technology

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 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 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.

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.

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 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 utility model discloses an ablation needle surface heat shrink sleeve cutting jig, the top between the shaft rod of utility model discloses and the top wall of accommodating groove is connected through elastic part, the installation block of annular cutter head is rotatably installed with the adjusting gap between connecting seat in bottom, the upper surface of bottom plate is provided with the first mounting seat of top opening first arc slot, the second mounting seat of top opening second arc slot, the first arc slot for ablation needle placement, second arc slot is coaxial arrangement, is located below first arc slot and is opened in the top of first mounting seat with one first recess that is installed with two driving rollers, is located below second arc slot and is opened in the top of second mounting seat with one second recess that is rotatably installed with two driven rollers. The ablation needle surface heat shrink sleeve cutting jig of utility model can cut the multiple of ablation needle simultaneously, also avoided the situation that the needle body is damaged due to excessive cutting, also avoided the situation that heat shrink sleeve is not cut completely, improved the cutting effect.

The utility model discloses a kind of needle placing boxes, including box body and several circular substrates and fan-shaped extension board, the box cover is rotatably installed in the box body top, the box body and box cover opposite surface are respectively provided with recessed placement cavity and containing cavity, the first insertion post and the second insertion post are respectively arranged in the inner wall axial center of one side of the placement cavity and containing cavity, the first insertion post is used to connect the circular substrate and fan-shaped extension board of several needle placements, the second insertion post is used to connect remaining circular substrate and fan-shaped extension board, several circular substrates and fan-shaped extension board are all provided with several needle insertion holes of different diameters, the insertion hole is provided in the surface axial center of each circular substrate and fan-shaped extension board, by double-cavity design, the modular combination of circular substrate and fan-shaped extension board is combined, the cooperation of insertion hole and first insertion post, second insertion post is used to realize accurate stacking, and it can be flexibly adapted to storage needs according to needle diameter and quantity.

The utility model belongs to the technical field of bur disinfection, and particularly relates to a dental bur disinfection box which comprises a storage box and a box cover covering an opening in the top of the storage box, a bur hanging plate is placed in the storage box, and a plurality of bur holes are formed in the top of the bur hanging plate in a rectangular distribution mode. A locking assembly is installed at the bottom of the needle hanging plate and comprises two sets of rod frames fixed to the bottom of the needle hanging plate, guide rods are fixedly connected between the opposite faces of the two rod frames in the same set, and a plurality of locking bodies are slidably installed between the two guide rods at equal intervals. According to the dental bur disinfection box, a bur is clamped between the two clamping strips to be fixed, so that even if the bur hanging plate is in an inverted state, the bur cannot fall off from the bur hanging plate due to gravity as the bur is clamped between the two clamping strips, the bur placing stability is improved, the bur placing state flexibility is also improved, and the bur disinfection box is convenient to use. And moreover, the needle head faces upwards, so that a doctor can find a proper machine needle more conveniently.

The invention discloses an auxiliary treatment brace capable of replacing a microneedle module, which comprises a brace body, a limb accommodating space is formed in the brace body, the brace body is made of a soft high polymer material, support frameworks are dispersedly arranged on the brace body, at least one microneedle placing groove is formed in the brace body in a penetrating manner, and the microneedle placing groove is provided with at least one microneedle. A micro-needle module is detachably arranged in the micro-needle placement groove, the micro-needle module comprises a breathable patch and a microporous adhesive tape area arranged in the middle area of the breathable patch, a plurality of micro-needles are arranged in the microporous adhesive tape area, a graphene heating conducting strip is arranged in the brace body, and the graphene heating conducting strip is connected with a temperature regulator through an electric wire. The micro-needle module is combined with the brace body, the micro-needles can be used for acupuncture and moxibustion treatment when the brace body is worn, replacement is convenient, the graphene heating conducting strip and the temperature regulator are arranged and can directly act on soft tissue, blood circulation can be accelerated, and pain caused by an injured part can be relieved.

The utility model discloses a dispensing mechanism for indwelling needle head assembly, which comprises a main machine body, the main machine body is used for placing steel needles through a feeding area at the front side position, a support seat is fixed at the left side position of the upper end of the main machine body, and a display screen of the device is fixed with a support frame. The outer wall of the supporting column is sleeved with the supporting frame, a plurality of insertion holes with different heights are distributed in the outer wall of the supporting column, when the height of the display screen is adjusted, the handle is pulled outwards to enable the insertion column to be separated from the insertion holes, and the stainless steel spring is compressed by the fixed circular plate due to pulling of the handle, so that the height of the display screen is adjusted. At the moment, the supporting frame can move up and down along the supporting column, after the supporting frame is adjusted to a proper height, the handle is loosened, the stainless steel spring releases the elastic force to insert the inserting column into the inner position of the inserting hole, and therefore height adjustment of the display screen is completed, and through the adjusting mode, height adjustment can be conducted without tools; and the operation is more convenient.

Methods, systems, media, and implementations for robotically guided instrument insertion. A pre-planned path between a three-dimensional (3D) entry pose on the skin of the patient and a 3D pose of the target is generated for surgery of the target within the patient. The robot uses the pre-planned path as guidance to insert the surgical instrument from the 3D entry pose to reach the 3D pose of the target. During the procedure, a next pose is determined based on a current pose of the surgical instrument and a pre-planned path and a spatial relationship with the surrounding anatomical structure, and used to move the surgical instrument thereon. When the robot advances the surgical instrument to the next pose, an updated current pose of the instrument is obtained via tracking. The process is repeated until the instrument reaches the target pose.

This invention provides a needle holding device for use in conjunction with a robotic arm-guided navigation-assisted puncture system. The device includes: a robotic arm connecting flange, positioning balls, an L-shaped connecting rod, an adjustable positioning ball fixing rod, a locking screw, a dovetail groove slide with graduations, a slider, a rotatable and closable semi-circular fixing plate, and a locking buckle. This holding device is used in image-guided navigation-assisted puncture systems. Multiple positioning balls guide the image-guided navigation-assisted control robotic arm to accurately position the puncture site. The slider and fixing plate can move along the dovetail groove slide, and the puncture depth is controlled by the scale on the slide. The locking screw controls the fixed position of the slider. The slider and semi-circular fixing plate are connected by a pin, allowing for rotational opening and closing, facilitating needle placement and separation. The locking buckle, through an interference fit, locks the fixing plate and slider. This invention ensures accurate needle placement, adjustable puncture depth, and simple needle placement and separation.

A needle application mechanism and its working method for an abdominal acupuncture robot with limit protection are disclosed, relating to the field of abdominal acupuncture robot technology. The mechanism includes: a needle application mechanism, a needle handle and acupuncture needle held at the lower part of the needle application mechanism, and a needle placement plate assembly. The needle application mechanism is connected to a robotic arm via a top flange interface. The needle application mechanism includes a housing, a drive assembly disposed inside the housing, an execution assembly connected to the drive assembly, a pneumatic control assembly disposed on the upper side of the execution assembly, and a limit detection component disposed inside the housing. The drive assembly provides axial needle insertion power. The chuck body of the execution assembly has a pneumatic channel inside, and the positive and negative pressure generated by the pneumatic control assembly enables the adsorption and release of the needle. The limit detection component limits the movement of the chuck body.

The utility model discloses a flat knitting machine needle bed structure capable of adjusting the position of a knitting needle, relates to the technical field of flat knitting machines, and aims to provide a flat knitting machine needle bed structure capable of conveniently adjusting the position of the knitting needle, which comprises a needle plate, a plurality of mounting seats and a limit seat, the limiting seat is provided with a plurality of limiting grooves for limiting the mounting seat, the mounting seat is provided with a needle groove for placing a knitting needle and is used for fixing the knitting needle, the mounting seat is fixed in the sliding groove and the limiting grooves, and when the position of the knitting needle needs to be changed, the limiting seat is detached from the needle plate, and the knitting needle can be replaced according to requirements. The limiting seats with the spacing between every two adjacent limiting grooves being the same as the needed needle pitch are selected and installed on the needle plate, and in the installation process, the multiple installation seats are matched with the limiting grooves respectively, so that the position of the knitting needle can be adjusted.

The utility model discloses a sampling needle placing rack and a headspace sample injector, a sampling needle comprises a flow guide pipe and a needle head connected to the end part of the flow guide pipe, and the sampling needle placing rack comprises a mounting plate, a fixing plate and a positioning plate. The fixing plate is connected to one side of the mounting plate, the fixing plate is provided with a fixing convex column, and the fixing convex column is provided with a containing groove for allowing the needle head to be inserted therein. The two positioning plates are connected to the fixed plate and located above the convex column of the fixed plate, the two positioning plates are arc-shaped plates, the arcs are arranged in the opposite directions in an arc bending mode, and the inner side walls of the two positioning plates can abut against the outer wall of the flow guide pipe so that the sampling needle can be positioned and placed.

The invention relates to the technical field of auxiliary medical equipment, and discloses a needle application auxiliary positioning device for scientific research of the acupuncture and massage department, which comprises a positioning mechanism, a needle body guide assembly and a multi-degree-of-freedom adjusting mechanism which are connected with one another, the positioning mechanism comprises at least three positioning columns which are arranged in a surrounding mode, the positioning columns are arranged in a radial mode from top to bottom, and a positioning layer is arranged at the bottoms of the positioning columns; the needle body guide assembly comprises a vertical cylinder arranged in the center of the defined positioning column, a needle body placing part is arranged in the middle of the cylinder, at least three sliding grooves are vertically formed in the side wall of the cylinder, and clamping parts are arranged on the side walls of the sliding grooves; a needle clamp is arranged in the middle of the cylinder, and a sliding block matched with the sliding groove is arranged on the needle clamp; the multi-degree-of-freedom adjusting mechanism comprises two groups of universal joints which are respectively arranged above and below the cylinder, and each group comprises at least three universal joints. Through precise positioning, multi-degree-of-freedom angle adjustment, quantitative depth control and integrated disinfection and visualization functions, the precision, standardization, safety and convenience of acupuncture and moxibustion needle application are achieved.

A deep vein intravenous introducer has a wheel located toward the front end of the device that can be rotated by the index finger of the user. After placement of the needle in the lumen of the vessel, the user rotates the wheel, which turns a drive wheel. The drive wheel has an outer surface that advances the guide wire through the center of the needle and into the patient. Once the guide wire is advanced into the vessel lumen the catheter can be advanced over the guide wire with a hub or finger tab on the catheter close to the index finger. The operation can be performed by one hand without moving the hand from its initial position.

The utility model discloses an auxiliary sample liquid transfer device for a medical 96-well plate. Comprising a main machine body, a loading plate, a travel switch, an orthogonal moving unit, a pipetting execution unit and a needle replacement unit, a disposable needle head is preassembled in the needle head replacing unit and is a capillary glass tube, and a needle handle is arranged at the top of the disposable needle head. Through effective combination of the orthogonal moving unit and the pipetting execution unit, automatic transfer of sample liquid in an EP tube plate and a 96-well plate is realized, meanwhile, automatic replacement of a needle head can be realized by virtue of the needle head replacement unit, and a needle head recovery chamber is additionally arranged, so that the pollution problem caused by disordered placement of the needle head is prevented; the full-process operation of manually transferring the sample liquid, replacing the disposable needle head and abandoning the needle is simulated to a great extent, the manual labor force is liberated by an automatic method, the technical risk of sample liquid transfer dislocation is also prevented, and the accuracy and the working efficiency are improved.

The utility model relates to a cement standard consistency and setting time probe storage box which comprises a lower box body, the lower box body is provided with a containing cavity, a buffer cushion block is arranged in the containing cavity, and the buffer cushion block is provided with a first arrangement groove used for arrangement of probes; the buffer cushion block is also provided with a mounting groove communicated with the lower surface of the buffer cushion block on the bottom surface of the first arrangement groove, and an ejection mechanism used for ejecting the probe out of the first arrangement groove is arranged in the mounting groove; the ejection mechanism comprises an ejection bottom plate, an elastic structure, a locking structure and an unlocking mechanism, wherein one end of the ejection bottom plate is hinged to the inner bottom face of the lower box body, the elastic structure abuts against the movable end of the ejection bottom plate and is used for ejecting the probe out of the first arrangement groove, the locking structure is used for locking the ejection bottom plate in the installation groove, and the unlocking mechanism is used for unlocking the locking structure. The probe storage box has the effect that the problem that the probe is not easy to take when being placed in the storage box is solved.

The invention discloses a lactate analyzer for athletic ability evaluation, and belongs to the technical field of lactate analyzers, the lactate analyzer comprises a supporting mechanism, a detection mechanism, a display screen, a needle changing mechanism and a needle feeding mechanism, the supporting mechanism comprises a puncture needle, a first electric cylinder, a placement assembly and a supporting assembly, and the puncture needle, the placement assembly and the first electric cylinder are all mounted on the supporting assembly; the placing assembly is installed above the first electric cylinder, the detection mechanism comprises a detection box and a detection assembly, the detection box is installed below the supporting assembly, and the detection box is connected with the detection assembly; the needle replacing mechanism comprises a middle plate, an adsorption block, a middle box, a lifting assembly and a turnover adsorption assembly, the middle plate is installed below the supporting assembly, the turnover adsorption assembly is located between the supporting assembly and the middle box, the middle box is connected with the lifting assembly, and the lifting assembly is connected with the puncture needle; the needle feeding mechanism comprises a needle storage box and a needle pushing assembly, and a plurality of puncture needles are placed in the needle storage box.

The invention relates to a surgical device. Comprising a surgical mechanical arm and a needle placement guide device, the needle placement guide device comprises a base, a needle placement guide rod, a needle placement guide rod, a needle placement guide rod and a needle placement guide rod, the first guide rail is fixed on the base, and the trend of the first guide rail can be adjusted through the movement of the surgical mechanical arm; the sliding connecting piece is slidably connected to the first guide rail and can slide along the trend of the guide rail; the guide seat is configured to be provided with a surgical needle placement power machine, is connected with the sliding connecting piece and moves along the guide rail through sliding of the sliding connecting piece; the damping mechanism is configured to increase the sliding damping of the sliding connecting piece so as to reduce the gravitational potential energy of the operation needle placement power machine; and the quick release mechanism is mounted on the base and is provided with a preset structure which is quickly connected with or detached from the surgical mechanical arm, so that the mounting or dismounting time is shortened, and further the surgical pollution is reduced. According to the technical scheme, needle placement is stable, operation is easy, and the pollution risk is small.

The invention relates to the technical field of waterproof vibrating needle processing, in particular to a forming method of a coated waterproof vibrating needle and a waterproof vibrating needle structure, and the forming method comprises the following steps: S1, placing the vibrating needle in a first mold; s2, a first mold is adopted for injection molding of a first forming part, and after the formed first forming part wraps a part of the elastic needle, a first forming piece is obtained; s3, the first forming piece in the S2 is put into a second mold, and a second forming part is formed through injection molding of the second mold; the formed second forming part wraps the first forming part to obtain a waterproof vibrating needle product; compared with an existing fusion and assembly method needing assistance of equipment and tools, the forming method of the wrapping type waterproof vibrating needle has the advantages that an integrally-formed wrapping type waterproof vibrating needle structure is obtained, the production cost is reduced, the production efficiency is improved, the reliability of functions of a waterproof vibrating needle product and the sealing stability of a waterproof structure are improved, and the waterproof vibrating needle is suitable for popularization and application. And the quality consistency of the vibrating needle product is good, and batch production is facilitated.

The utility model provides a phalanx auxiliary positioning assembly which is characterized in that a plurality of knuckle fixing pieces extend along the direction of knuckles and are arranged around the knuckles; the knuckle adjusting piece is arranged on the knuckle fixing piece in a sleeving manner and can slide, and the knuckle fixing piece can be locked on the knuckle after the knuckle adjusting piece slides in place; the needle placement guide piece is arranged at the far end of the knuckle fixing piece and is provided with a needle placement channel, and the needle placement channel allows a bone needle to enter an area defined by the knuckle fixing piece. According to the utility model, the knuckle fixing piece surrounds and is arranged around the knuckles of a patient, the knuckle fixing piece is fixed on the knuckles and the straightening state of the knuckles is adjusted through the sliding of the knuckle adjusting piece, and a Kirschner wire is used for carrying out needle placement on the knuckles according to the guide direction of the needle placement channel on the needle placement guide piece. According to the utility model, reliable and objective needle placement parameter comparison is provided for bone needle internal fixation, so that needle insertion is more accurate, the influence of personal errors on the operation process is remarkably reduced, and the operation time is effectively shortened.

The utility model belongs to the technical field of traditional Chinese medicine acupuncture and moxibustion, and particularly relates to an acupuncture and moxibustion positioner which comprises a positioning supporting assembly, a fire needle fixing control assembly is installed on the side of the positioning supporting assembly, and a lighting auxiliary assembly is arranged on the outer wall of the positioning supporting assembly. The fire needle fixing control assembly comprises a handheld end, the bottom of the handheld end is fixedly connected with a fixing fireproof block, the outer wall of the handheld end is fixedly connected with a rotating seat, the outer wall of the rotating seat is rotatably connected with a control rod, the outer wall of the control rod is fixedly connected with an anti-skid grip, and the outer wall of the anti-skid grip is integrally provided with convex points. The bottom of the control rod is fixedly connected with a control fireproof block. The exposed length of the fire needle can be controlled when the fire needle is placed in the flexible layer, the exposed length of the fire needle is equal to the depth of the fire needle inserted into an acupuncture point after needle feeding, meanwhile, the needle feeding position can be conveniently positioned in advance, errors occurring in acupuncture are reduced, and in addition, lighting is provided during acupuncture positioning, and the acupuncture point can be conveniently found.

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 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.