Medical acupuncture needle ejector
Technical Field
the invention relates to the technical field of auxiliary tools for acupuncture and moxibustion, in particular to a medical acupuncture needle ejector.
Background
The traditional acupuncture needle-manipulating is that the acupuncture needle is manually pinched to rotate to manipulate the needle, and the efficiency is low. The applicant invents and creates a needle-manipulating mode of ejecting an acupuncture needle by using an ejector on the basis of long-term clinical practice, and the work efficiency is high.
Disclosure of Invention
The invention aims to solve the technical problem of providing a medical acupuncture needle ejector, which is used for ejecting an acupuncture needle for acupuncture and has high working efficiency.
In order to solve the technical problems, the invention provides the following technical scheme: the medical acupuncture needle ejector comprises an ejection barrel positioned at the upper part, a needle supply barrel positioned at the lower part, an ejection device fixed in the ejection barrel and a continuous needle supply device which can be transversely connected in the needle supply barrel in a sliding way, wherein an ejection channel which is vertically distributed and is used for acupuncture needles to pass through is arranged in the needle supply barrel, the top end of the needle supply barrel is connected to the bottom end of the ejection barrel in a threaded way, and the ejection channel of the needle supply barrel is communicated with the inner cavity of the ejection barrel; a sliding channel which is transversely distributed and is in sliding fit with the continuous needle supply device is formed in the needle supply cylinder, a plurality of accommodating grooves with openings at the top and the bottom are formed in the continuous needle supply device, a magnet block is placed in each accommodating groove in a lifting and sliding manner, the width of the magnet block is larger than that of the opening at the bottom of the accommodating groove, and an acupuncture needle is placed in the accommodating groove from the opening at the bottom of the accommodating groove and adsorbed on the magnet block; an elastic positioning piece is fixed on the outer side wall of the continuous needle supply device at the position corresponding to the two sides of each accommodating groove, and positioning holes corresponding to the elastic positioning pieces are respectively formed on the two sides of the sliding channel of the needle cylinder;
When the continuous needle supply device slides transversely along the sliding channel to enable the elastic positioning pieces on two sides of an accommodating groove to slide into the corresponding positioning holes, the accommodating groove is positioned in the ejection channel, the inner cavity of the accommodating groove is communicated with the inner cavity of the ejection channel, and the magnet block in the accommodating groove corresponds to the position under the ejection device and is connected with the ejection device; when the acupuncture needle needs to be ejected, the ejection device is started to eject the acupuncture needle out of the needle supply cylinder along the ejection channel.
on the basis of the technical scheme, the continuous needle supply device comprises a sliding plate positioned at the upper part and a plurality of mounting tubes connected below the sliding plate, wherein the accommodating groove is formed in the sliding plate, and each mounting tube is correspondingly communicated below the bottom opening of the accommodating groove; a metal suspender which can be in adsorption connection with the magnet block and is vertically distributed is fixed at the bottom of the ejection device, a moving groove for the metal suspender to transversely move and penetrate is embedded in the top surface of the sliding plate, the moving groove is transversely distributed and is communicated with each accommodating groove, and the bottom of the moving groove extends to the position corresponding to the lower part of each accommodating groove;
The sliding channel comprises an upper transverse moving cavity corresponding to the sliding plate, a middle transverse moving cavity corresponding to the mounting tube and a lower transverse moving cavity corresponding to the acupuncture needle which are sequentially communicated and distributed from top to bottom; when one end of the continuous needle supply device is inserted into the sliding channel and slides transversely along the sliding channel, the sliding plate slides along the upper transverse moving cavity, the mounting tube slides along the middle transverse moving cavity, and the acupuncture needle moves transversely along the lower transverse moving cavity;
When the continuous needle supply device transversely slides along the sliding channel to enable the elastic positioning pieces on two sides of the accommodating groove to slide into the corresponding positioning holes, the metal suspender is arranged in the accommodating groove and adsorbs and lifts the corresponding magnet block, so that the ejection device is adsorbed and connected with the magnet block by utilizing the metal suspender; when the acupuncture needle needs to be ejected, the ejection device is started to drive the metal suspender to move upwards, then the metal suspender drives the magnet block and the acupuncture needle to move upwards along the accommodating groove, then the ejection device ejects the metal suspender to move downwards, and then the magnet block is ejected to move downwards to impact the side wall at the bottom end of the accommodating groove and eject the acupuncture needle along the ejection channel for injection.
On the basis of the technical scheme, the elastic positioning piece comprises an arc-shaped positioning protrusion, a first compression spring and two support legs, the positioning protrusion corresponds to the first compression spring and is fixedly connected between the side surface of the outer side wall of the sliding plate and the outer side wall of the sliding plate, the two ends of the side surface of the outer side wall of the sliding plate, corresponding to the support legs, of the positioning protrusion are respectively fixed with the support legs, the position, corresponding to the support legs, of the outer side wall of the sliding plate is respectively embedded with a telescopic hole, and the support legs are.
on the basis of the technical scheme, the ejection device comprises a movable column capable of moving up and down along the axial direction of the ejection cylinder, a pressing column fixed at the top end of the movable column, drive plates fixed at two sides of the bottom end of the movable column, the ejection column relatively positioned between the drive plates at two sides, a fixed plate fixed in the ejection cylinder and a support plate fixed in the ejection cylinder, wherein the fixed plate is positioned above the support plate, a limit ring extends inwards from the upper end of the inner side wall of the ejection cylinder, an extension ring extends outwards from the upper end of the outer side wall of the movable column and is positioned above the limit ring, the movable column can move up and down along the limit ring, and a driving expansion spring is fixedly connected between the limit ring and the extension ring;
the middle part of the supporting plate is provided with a lifting hole corresponding to the ejection column, the ejection column is arranged in the lifting hole in a lifting and moving way, the top end of the ejection column is fixedly connected to the bottom surface of the fixing plate through a second compression spring, the bottom end of the ejection column is fixedly connected with the metal suspender, two sides of the fixing plate are respectively provided with a first through groove through which the driving plate can pass in a lifting and moving way, two sides of the supporting plate are respectively provided with a second through groove through which the driving plate can pass in a lifting and moving way, the second through grooves on the two sides are respectively connected with a driving slider in a transverse sliding way, two driving sliders are respectively hinged with a driving rod between the side walls of the corresponding sides of the ejection column, and the side surface of one side of the bottom end of;
When the pressing column is pressed downwards, the movable column compresses to drive the telescopic spring to move downwards, the drive plate moves downwards along with the movable column and is inserted into the second through groove, the inclined drive surface of the drive plate is attached to the drive slide block and pushes the drive slide block to move towards the direction of the ejection column, the drive slide block further drives the ejection column to compress the second compression spring to move upwards through the drive rod, and the metal suspender moves upwards along with the ejection column; when the pressing column is loosened, the movable column drives the driving plate to move upwards under the action of the restoring force of the driving telescopic spring, the bottom end of the driving plate moves out of the second through groove, and the ejection column is ejected under the action of the restoring force of the second compression spring to drive the ejection column and the metal suspender to move downwards.
On the basis of the technical scheme, the top end of the ejection barrel is in threaded connection with a barrel cap, and a pressing hole for the pressing column to penetrate through is vertically formed in the middle of the barrel cap.
Compared with the prior art, the invention has the beneficial effects that: the medical acupuncture needle ejector provided by the invention utilizes the ejector to eject the acupuncture needle for needle movement, replaces the traditional needle movement rotating mode, has high needle ejection speed, can reduce needle movement pain, can continuously supply needles and has high working efficiency.
drawings
FIG. 1 is a schematic view of the ejector of the present invention;
FIG. 2 is a schematic side view of the continuous needle supply device in cooperation with the sliding channel according to the present invention;
FIG. 3 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;
FIG. 4 is an enlarged view of the invention at B in FIG. 1;
FIG. 5 is an enlarged view of the invention at C of FIG. 1;
FIG. 6 is a schematic top view of a retaining plate according to the present invention;
FIG. 7 is a schematic top view of a support plate according to the present invention;
FIG. 8 is a top perspective view of the sliding plate in mating relationship with the upper traverse chamber of the present invention;
Fig. 9 is an enlarged view of the invention at D in fig. 8.
The reference numbers in the figures are: 1-an ejection cylinder, 2-a needle supply cylinder, 3-an ejection channel, 4-a sliding channel, 5-a receiving groove, 6-an opening, 7-a magnet block, 8-an elastic positioning piece, 9-a positioning hole, 10-a sliding plate, 11-a mounting tube, 12-a metal suspender, 13-a moving groove, 14-an upper traverse chamber, 15-a middle traverse chamber, 16-a lower traverse chamber, 17-a positioning protrusion, 18-a first compression spring, 19-a leg, 20-a telescopic hole, 21-a moving column, 22-a pressing column, 23-a driving plate, 24-an ejection column, 25-a fixing plate, 26-a supporting plate, 27-a limiting ring, 28-an extension ring, 29-a driving extension spring, 30-a lifting hole, 31-a second compression spring, 32-a first through groove, 33-a second through groove, 34-a driving slide block, 35-a driving rod, 36-a sliding groove, 37-an inclined driving surface, 38-a barrel cap, 39-a pressing hole, 40-a hanging fastener and 41-an acupuncture needle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
referring to fig. 1 to 9, the medical acupuncture needle ejector includes an ejection cylinder 1 located at an upper portion, a needle supply cylinder 2 located at a lower portion, an ejection device fixed in the ejection cylinder 1, and a continuous needle supply device slidably connected in the needle supply cylinder 2 in a transverse direction, wherein an ejection channel 3 vertically distributed and through which an acupuncture needle 41 passes is formed in the needle supply cylinder 2, the top end of the needle supply cylinder 2 is connected to the bottom end of the ejection cylinder 1 in a threaded manner, and the ejection channel 3 of the needle supply cylinder 2 is communicated with an inner cavity of the ejection cylinder 1; a sliding channel 4 which is transversely distributed and is in sliding fit with the continuous needle supply device is formed in the needle supply cylinder 2, a plurality of accommodating grooves 5 with openings 6 at the top and the bottom are formed in the continuous needle supply device, a magnet block 7 is placed in each accommodating groove 5 in a lifting and sliding manner, the width of the magnet block 7 is larger than that of the opening 6 at the bottom of the accommodating groove 5, and the acupuncture needle 41 is loaded into the accommodating groove 5 from the opening 6 at the bottom of the accommodating groove 5 and is adsorbed on the magnet block 7; an elastic positioning piece 8 is fixed on the outer side wall of the continuous needle supply device corresponding to the two sides of each accommodating groove 5, and positioning holes 9 corresponding to the elastic positioning pieces 8 are respectively arranged on the two sides of the sliding channel 4 of the needle supply cylinder 2.
when the continuous needle supplying device transversely slides along the sliding channel 4 to enable the elastic positioning pieces 8 on two sides of the containing groove to slide into the corresponding positioning holes 9, the containing groove 5 is just positioned in the ejection channel 3, the inner cavity of the containing groove 5 is communicated with the inner cavity of the ejection channel 3, and the magnet block 7 in the containing groove 5 is correspondingly positioned under the ejection device and is connected with the ejection device; when the acupuncture needle 41 needs to be ejected, the ejection device is started to eject the acupuncture needle 41 out of the needle cylinder 2 along the ejection channel 3, so that one-time ejection of the acupuncture needle is realized; then continuously pushing the continuous needle supply device to move transversely, enabling the elastic positioning pieces on two sides of the next accommodating groove to slide into the positioning holes, then starting the next ejection operation by using the ejection device, and repeating the steps. The continuous needle supply device is convenient to replace for needles by utilizing the sliding fit of the continuous needle supply device and the sliding channel, and after the acupuncture needles in one continuous needle supply device are ejected, the continuous needle supply device slides out of the sliding channel to replace another continuous needle supply device filled with the acupuncture needles so as to continuously supply the needles.
Referring to fig. 1 and 5, the continuous needle supply device includes a sliding plate 10 located at the upper part, and a plurality of mounting tubes 11 connected below the sliding plate 10, wherein the receiving groove 5 is formed on the sliding plate 10, that is, the sliding plate 10 is provided with a plurality of receiving grooves 5 having openings 6 at the top and bottom, each mounting tube 11 is correspondingly communicated with the bottom of the receiving groove 5 below the opening 6, and the acupuncture needle 41 is loaded into the receiving groove 5 from the mounting tube 11 and the opening 6 at the bottom of the receiving groove 5 and adsorbed on the magnet block 7; a metal suspender 12 which can be in adsorption connection with the magnet block 7 and is vertically distributed is fixed at the bottom of the ejection device, a moving groove 13 which can be penetrated by the metal suspender 12 in a transverse moving manner is embedded in the top surface of the sliding plate 10, the moving groove 13 is transversely distributed and is communicated with each accommodating groove 5, the bottom of the moving groove 13 extends to a position corresponding to the lower part of each accommodating groove 5, and after the metal suspender 12 is in adsorption connection with the magnet block 7, a space for the magnet block 7 to move upwards and rise is reserved at the upper part of each accommodating groove 5.
Referring to fig. 1 and 2, the sliding channel 4 comprises an upper traverse chamber 14 corresponding to the sliding plate 10, a middle traverse chamber 15 corresponding to the mounting tube 11, and a lower traverse chamber 16 corresponding to the acupuncture needle 41, which are sequentially communicated from top to bottom; when one end of the continuous needle feeding unit is inserted into the slide passage 4 and laterally slid along the slide passage 4, the slide plate 10 is slid along the upper-traverse chamber 14, the mounting tube 11 is slid along the middle-traverse chamber 15, and the needle 41 is laterally moved along the lower-traverse chamber 16.
When the continuous needle supply device transversely slides along the sliding channel 4 to enable the elastic positioning pieces 8 on two sides of the accommodating groove 5 to slide into the corresponding positioning holes 9, the accommodating groove 5 is just positioned in the ejection channel 3, the inner cavity of the accommodating groove 5 is communicated with the inner cavity of the ejection channel 3, the metal suspender 12 is arranged in the accommodating groove 5 and adsorbs and lifts the corresponding magnet block 7, and the ejection device is adsorbed and connected with the magnet block 7 by the metal suspender 12; when the acupuncture needle 41 needs to be ejected, the ejection device is started to drive the metal suspender 12 to move upwards, then the metal suspender 12 drives the magnet block 7 and the acupuncture needle 41 to move upwards along the accommodating groove 5, then the ejection device is used for ejecting the metal suspender 12 to move downwards, and then the magnet block 7 is ejected to move downwards to impact the side wall at the bottom end of the accommodating groove 5 and eject the acupuncture needle 41 out of the needle cylinder 2 along the ejection channel 3.
Referring to fig. 8 and 9, the elastic positioning member 8 of the continuous needle feeding device includes an arc-shaped positioning protrusion 17, a first compression spring 18, and two support legs 19, the first compression spring 18 is fixedly connected between the side surface of the positioning protrusion 17 corresponding to the outer side wall of the sliding plate and the outer side wall of the sliding plate 10, the support legs 19 are respectively fixed at two ends of the positioning protrusion 17 corresponding to the side surface of the outer side wall of the sliding plate, the positions of the outer side wall of the sliding plate 10 corresponding to the support legs are respectively embedded with a telescopic hole 20, and the support legs 19 are slidably fitted in the telescopic hole 20; the positioning cavity 9 is of an arc structure corresponding to the positioning protrusion 17 and is arranged on the side walls of the two sides of the upper transverse moving cavity 14. The continuous needle supply device transversely slides along the sliding channel 4, the sliding plate 10 slides along the upper transverse moving cavity 14, when the elastic positioning pieces 8 at two sides of one accommodating groove 5 slide to the position of the positioning hole 9, the positioning bulge 17 is clamped into the positioning hole 9 under the elastic action of the first compression spring 18 to realize the position determination of the accommodating groove 5, and at the moment, the inner cavity of the accommodating groove 5, the inner cavity of the mounting tube 11 and the inner cavity of the ejection channel 3 are communicated and positioned on the same axis to allow the acupuncture needle 41 to pass through; when the acupuncture needle 41 corresponding to the accommodating groove 5 is ejected and the next acupuncture needle needs to be ejected, the sliding plate 10 is continuously pushed to slide the positioning protrusions 17 on both sides of the accommodating groove out of the positioning holes 9, the metal suspender 12 is separated from the magnet block 7 in the accommodating groove 5 to remove the adsorption connection relationship, and the next acupuncture needle can be ejected when the positioning protrusions on both sides of the next accommodating groove are clamped into the positioning holes.
Referring to fig. 1, 3 and 4, the ejection device includes a movable post 21 capable of moving up and down along an axial direction of the ejection cylinder 1, a pressing post 22 fixed at a top end of the movable post 21, driving plates 23 fixed at two sides of a bottom end of the movable post 21, an ejection post 24 relatively located between the driving plates 23 at two sides, a fixing plate 25 fixed in the ejection cylinder 1, and a supporting plate 26 fixed in the ejection cylinder 1, wherein the fixing plate 25 is located above the supporting plate 26, a limit ring 27 extends inwards from an upper end of an inner side wall of the ejection cylinder 1, an extension ring 28 extends outwards from an upper end of an outer side wall of the movable post 21, the extension ring 28 is located above the limit ring 27, the movable post 21 can move up and down along the limit ring 27, and a driving extension spring 29 is fixedly connected between the limit ring 27 and.
the middle part of the supporting plate 26 is provided with a lifting hole 30 corresponding to the ejection column 24, the ejection column 24 is arranged in the lifting hole 30 in a lifting and moving way, the top end of the ejection column 24 is fixedly connected to the bottom surface of the fixing plate 25 through a second compression spring 31, and the bottom end of the ejection column 24 is fixedly connected with the metal suspender 12. Referring to fig. 6 and 7, two sides of the fixing plate 25 are respectively provided with a first through groove 32 through which the driving plate 23 can pass in a lifting and moving manner, two sides of the supporting plate 26 are respectively provided with a second through groove 33 through which the driving plate 23 can pass in a lifting and moving manner, the second through grooves 33 on the two sides are respectively connected with a driving slider 34 in a transverse sliding manner, side walls on the two sides in the second through groove 33 are respectively provided with a sliding groove 36 in a transverse distribution manner, two sides of the driving slider 34 are respectively matched in the sliding grooves 36 on the corresponding sides in a transverse sliding manner to realize transverse movement, a driving rod 35 is hinged between each of the two driving sliders 14 and the side wall on the corresponding side of the ejection column 24, and a side surface on the side of the bottom end of the driving plate 23 corresponding to the driving slider 34 is provided with an inclined driving surface 37 which is distributed in.
When the pressing column 22 is pressed downwards, the moving column 21 compresses and drives the extension spring 29 to move downwards, the driving plate 23 moves downwards along with the moving column 21 and is inserted into the second through groove 33, the inclined driving surface 37 of the driving plate 23 is attached to the driving slider 34 and pushes the driving slider 34 to move towards the ejection column 24, the driving slider 34 further drives the ejection column 24 to compress the second compression spring 31 to move upwards through the driving rod 35, and the metal suspender 12 moves upwards along with the ejection column 24; when the pressing column 22 is released, the moving column 21 takes the driving plate 23 to move upwards under the restoring force of the driving expansion spring 29, the bottom end of the driving plate 23 moves out of the second through groove 33, and the second compression spring 31 drives the ejection column 24 to eject and the metal suspender 12 to move downwards under the restoring force. The metal suspender 12 is driven by the ejection device to move upwards and then move downwards in an ejection manner, so that the metal suspender 12 is adsorbed and connected with the magnet block 7 and then drives the magnet block 7 to move up and down in the accommodating groove 5.
Furthermore, referring to fig. 1 and 2, a barrel cap 38 is connected to the top end of the shooting barrel 1 through a thread, and a pressing hole 39 for the pressing column 22 of the shooting device to pass through is vertically formed in the middle of the barrel cap 38; and a hanging fastener 40 is fixed on the outer side wall of the barrel cap 38, so that the ejector can be conveniently hung on a pocket.