CN210933168U - Multi-head type injection needle - Google Patents

Multi-head type injection needle Download PDF

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Publication number
CN210933168U
CN210933168U CN201921353551.0U CN201921353551U CN210933168U CN 210933168 U CN210933168 U CN 210933168U CN 201921353551 U CN201921353551 U CN 201921353551U CN 210933168 U CN210933168 U CN 210933168U
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China
Prior art keywords
seat
hole
needle
self
destruction
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Active
Application number
CN201921353551.0U
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Chinese (zh)
Inventor
张洪杰
王兴国
胡良苗
余步新
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Beipu Medical Technology Co.,Ltd.
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Beipu Medical Technology Co ltd
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Priority to CN201921353551.0U priority Critical patent/CN210933168U/en
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Abstract

A multi-headed injection needle comprising: the needle seat is provided with a concave cavity and a needle tube fixing hole; the needle tube is fixed on the needle seat; the shunting seat is arranged in the concave cavity of the needle seat and is provided with a through hole, and the upper end of the needle tube penetrates into the through hole; the conical seat is provided with a channel, the middle part of the conical seat is provided with an external thread and an annular boss, the side surface of the annular boss is provided with a warning bulge and a first self-destruction bulge, the bottom of the annular boss is arranged in the concave cavity of the needle seat, and the bottom of the annular boss is assembled with the top of the shunting seat and surrounds a cavity; the negative pressure seat is sleeved outside the needle seat, a transverse clapboard is arranged in the negative pressure seat, the transverse clapboard limits the descending of the needle seat, and a needle tube through hole is arranged on the transverse clapboard; and the adjusting seat is sleeved at the middle part of the conical seat and the top of the negative pressure seat and is provided with a step through hole, and an internal thread and a second self-destruction bulge are arranged in the step through hole. The utility model discloses can adjust the length that the needle tubing stretches out, have self-destruction function and the warning function before the self-destruction. The whole volume is small, the matching between the parts is compact, the matching degree is high, and the assembly can be completed at one time.

Description

Multi-head type injection needle
Technical Field
The utility model relates to the technical field of syringes, in particular to multi-head type injection needle.
Background
In the current multihead syringe needle, the structure between each part is firm inadequately, can't adjust the length that the needle tubing stretches out, and need redesign to disposable self-destruction structure.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a bull formula syringe needle.
The purpose of the utility model can be realized by the following technical scheme:
a multi-headed injection needle comprising: the needle seat is provided with a concave cavity with an opening on the top surface and a needle tube fixing hole communicated with the bottom surface of the concave cavity; the needle tube is fixedly arranged in the concave cavity of the needle seat and the needle tube fixing hole in a penetrating way; the shunting seat is arranged in the concave cavity of the needle seat and is provided with a through hole penetrating through the top and the bottom, and the upper end of the needle tube penetrates into the through hole; the conical seat is provided with a channel penetrating from top to bottom, the middle part of the conical seat is provided with an external thread and an annular boss, the bottom of the conical seat is arranged in the cavity of the needle seat, the bottom of the conical seat is assembled with the top of the flow distribution seat and surrounds a cavity, the annular boss is arranged below the external thread and is arranged along the circumferential direction of the middle part of the conical seat, the diameter of the annular boss is equal to the major diameter of the external thread, the side surface of the annular boss is sequentially provided with a warning bulge and a first self-destruction bulge along the circumferential direction, and the cavity is communicated with the through hole of the flow distribution seat and the channel; the negative pressure seat is sleeved outside the needle seat, is in a cylinder shape with openings at the top and the bottom, is internally provided with a transverse partition plate, limits the needle seat downwards, and is provided with a needle tube through hole; the adjusting seat is sleeved at the middle of the conical seat and the top of the negative pressure seat, is in a cover body shape, and is provided with a stepped through hole along the axis, the stepped through hole comprises a first hole and a second hole, the first hole and the second hole are arranged up and down, the first hole is provided with an internal thread, the internal thread is matched with an external thread at the middle of the conical seat, the diameter of the second hole is larger than that of the first hole and larger than that of an annular boss at the middle of the conical seat, the second hole is provided with a second self-destruction bulge, and the second self-destruction bulge is matched with a warning bulge and a first self-destruction bulge on the annular boss.
Furthermore, the bottom surface of the concave cavity of the needle seat is provided with a limiting step, and the limiting step limits the downward movement of the shunting seat.
Furthermore, a guide rib is arranged on the side wall of the concave cavity of the needle seat, and the guide rib extends along the axial direction of the concave cavity; the side of reposition of redundant personnel seat is equipped with first guide way, the bottom side of awl seat is equipped with the second guide way, first guide way and second guide way all cooperate with the direction muscle.
Furthermore, a first inverted cone is arranged on the bottom surface of the needle seat, and a needle tube fixing hole is formed in the first inverted cone along the axis; the bottom surface of the diaphragm plate of the negative pressure seat is provided with a second inverted cone, the second inverted cone corresponds to the first inverted cone, the second inverted cone is provided with a needle tube through hole along the axis, the needle tube through hole is inverted cone, the needle tube through hole holds and supports the first inverted cone, and the lower end of the needle tube penetrates out from the needle tube through hole.
Furthermore, a circle of positioning steps are arranged along the edge of the top surface of the shunting seat, a circle of positioning grooves are arranged along the edge of the bottom surface of the bottom of the conical seat, and the positioning steps are matched with the positioning grooves.
Furthermore, a flow guide boss is arranged on the top surface of the flow distribution seat and connected with the through hole; the bottom surface of conical seat bottom is equipped with the water conservancy diversion recess, the water conservancy diversion recess corresponds with the water conservancy diversion boss, and communicates with the passageway.
Furthermore, guide surfaces are arranged on two sides of the warning bulge of the conical seat and one side, close to the warning bulge, of the first self-destruction bulge, and a stop surface is arranged on the other side of the first self-destruction bulge; one side of the adjusting seat on the second self-destruction bulge is provided with a stop surface, and the other side of the adjusting seat on the second self-destruction bulge is provided with a guide surface.
Furthermore, the top outer wall of the negative pressure seat is provided with a circle of buckling positions along the circumferential direction, the inner side surface of the adjusting seat is provided with a fixing buckle along the circumferential direction, and the buckling positions are in axial limiting fit with the fixing buckle.
Furthermore, a suction connecting port is formed in the side wall of the negative pressure seat and communicated with the space below the diaphragm plate.
Compared with the prior art, the beneficial effects of the utility model are that: the needle seat, the needle tube, the shunt seat, the conical seat, the negative pressure seat and the adjusting seat are adopted to form the self-destroying needle, the extending length of the needle tube can be adjusted, and the self-destroying needle has a warning function before self-destroying and a self-destroying function. The whole product has small volume, compact matching among components and high matching degree, and can be assembled at one time.
Drawings
Fig. 1 is an overall schematic diagram of an embodiment of the present invention.
Fig. 2 is a cross-sectional view of an embodiment of the present invention.
Fig. 3 is an exploded view of an embodiment of the present invention.
Fig. 4 is a schematic structural view of a needle holder in an embodiment of the present invention.
Fig. 5 is a sectional view of a needle holder according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a shunt base according to an embodiment of the present invention.
Fig. 7 is another schematic structural diagram of the shunt seat according to an embodiment of the present invention.
Fig. 8 is a schematic structural diagram of a conical seat according to an embodiment of the present invention.
Fig. 9 is another schematic structural diagram of the conical seat according to an embodiment of the present invention.
Fig. 10 is a schematic structural view of a negative pressure seat according to an embodiment of the present invention.
Fig. 11 is another schematic structural diagram of the negative pressure seat according to an embodiment of the present invention.
Fig. 12 is a sectional view of a negative pressure seat according to an embodiment of the present invention.
Fig. 13 is a schematic structural diagram of an adjusting seat according to an embodiment of the present invention.
Fig. 14 is another schematic structural diagram of an adjusting seat according to an embodiment of the present invention.
Fig. 15 is an assembly view of the needle holder, the needle tube, the shunt holder, and the conical holder according to an embodiment of the present invention.
Fig. 16 is an assembly diagram of the needle seat, the needle tube, the shunt seat, the taper seat, the negative pressure seat and the adjusting seat according to an embodiment of the present invention.
Fig. 17 is a schematic view of an embodiment of the present invention in normal use, mainly illustrating a bottom view of the matching portion of the conical seat and the adjusting seat.
Fig. 18 is a schematic view of an embodiment of the present invention from a normal use state to a self-destruction state, mainly illustrating a bottom view of the matching portion of the conical seat and the adjusting seat.
The parts in the figures are numbered as follows:
1 needle stand
101 cavity
102 limiting step
103 guide rib
104 first inverted cone
105 needle tube fixing hole
2 needle tube
3 shunting seat
301 through hole
302 flow guiding boss
303 positioning step
304 first guide groove
4 conical seat
401 channel
402 external screw thread
403 annular boss
404 Warning bump
405 first self-destructing bulge
406 flow guiding groove
407 positioning hole
408 locating slot
409 second guide groove
5 negative pressure seat
501 fastening position
502 diaphragm
503 boss
504 second inverted cone
505 the needle tube passes through the hole
506 suction connection port
6 adjust seat
601 step through hole
6011 first hole
6012 second hole
602 internal thread
603 second self-destruction bump
604 secure the clasp.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings to make it clear to those skilled in the art how to practice the invention. While the invention has been described in connection with its preferred embodiments, these embodiments are intended to be illustrative, and not to limit the scope of the invention.
Fig. 1 to 3 show a multi-headed injection needle of this embodiment, which includes a needle seat 1, a needle tube 2, a shunt seat 3, a conical seat 4, a negative pressure seat 5 and an adjusting seat 6.
Referring to fig. 4 and 5, the needle holder 1 is a block with a square cross section and a round corner, a cavity 101 with an open top is arranged in the needle holder 1, a circle of limiting steps 102 are circumferentially arranged on the bottom surface of the cavity 101, 2 guiding ribs 103 are arranged on the side wall of the cavity 101, 2 guiding ribs 103 are symmetrically arranged along the axis of the cavity 101 by 180 degrees and extend along the axial direction, 9 first inverted cones 104 are distributed on the bottom surface of the needle holder 1 along the central array, each first inverted cone 104 is provided with an inverted cone-shaped needle tube fixing hole 105 along the axis, and the needle tube fixing hole 105 is communicated with the cavity 101.
The number of the needle tubes 2 is more than 3, in this embodiment, 9 needle tubes 2 are taken as an example, after the 9 needle tubes 2 pass through the concave cavity 101 of the needle base 1, the 9 needle tubes 2 respectively freely fall to a designed height from the needle tube fixing holes 105 of the 9 first inverted cones 104, and are fixed by the environment-friendly quick-drying glue.
The shunting seat 3 is arranged in the concave cavity 101 of the needle seat 1, and the bottom surface of the shunting seat is matched with the limiting step 102. Referring to fig. 6 and 7, the shunt seat 3 is in a thin block shape with a round-corner square cross section, the cross section of the shunt seat 3 is matched with the cross section of the cavity 101 of the needle seat 1, 9 axially extending through holes 301 are distributed in the shunt seat 3 along the axis array, the 9 through holes 301 respectively correspond to the 9 first inverted cones 104 of the needle seat 1, and the upper ends of the 9 needle tubes respectively penetrate into the 9 through holes 301 without interference. The top surface of reposition of redundant personnel seat 3 is equipped with 8 water conservancy diversion bosss 302, 8 water conservancy diversion boss 302 distributes to the radiation all around along the top surface center of reposition of redundant personnel seat 3, and 8 holistic centers of water conservancy diversion boss 302 and 8 tip are connected with 9 through-holes respectively, and the top surface edgewise of reposition of redundant personnel seat 3 is equipped with round location step 303, and the side of reposition of redundant personnel seat 3 is equipped with 2 first guide ways 304, 2 first guide way 304 is 180 symmetrical arrangement, 2 along the axis of reposition of redundant personnel seat 3 first guide way 304 cooperatees with 2 direction muscle 103 of needle file 1 respectively.
The bottom of the conical seat 4 is arranged in the concave cavity 101 of the needle seat 1 and assembled with the shunt seat 3. Referring to fig. 8 and 9, the conical seat 4 is provided with a channel 401 along the axis, the top and the middle of the conical seat 4 are in a column shape, the outer side of the middle of the conical seat 4 is provided with an external thread 402 and an annular boss 403, the annular boss 403 is arranged below the external thread 402, the annular boss 403 is arranged along the circumferential direction of the middle of the conical seat 4, the diameter of the annular boss 403 is equal to the major diameter of the external thread 402, the side surface of the annular boss 403 is sequentially provided with a warning protrusion 404 and a first self-destruction protrusion 405 along the circumferential direction, both sides of the warning protrusion 404 and one side of the first self-destruction protrusion 405 close to the warning protrusion 404 are provided with guide surfaces, and the other side of the first self-destruction protrusion 405 far away from the warning protrusion 404. The bottom of awl seat 4 is that the cross section is the square thin block of fillet, the cross section of awl seat 4 bottom and the cross section phase-match of the cavity 101 of needle file 1, the bottom surface of awl seat 4 bottom is equipped with 8 water conservancy diversion recesses 406, 8 water conservancy diversion recess 406 is along the bottom surface center of awl seat 4 bottom to the radial distribution all around, 8 water conservancy diversion recesses 406 are corresponding with 8 water conservancy diversion bosss 302 of reposition of redundant personnel seat 3 respectively, 8 one end and the passageway 401 intercommunication of water conservancy diversion recess 406, 8 the other end of water conservancy diversion recess 406 all is equipped with locating hole 407, the bottom surface edgewise of awl seat 4 bottom is equipped with the constant head tank 408 of round and reposition of redundant personnel seat 3 matched with of location step 303, the side of awl seat 4 bottom is equipped with 2 second guide way 409, 2 the second guide way 409 is 180 symmetrical arrangement along the axis of awl seat 4, 2 the second guide way 409 cooperatees with 2 direction muscle 103 of needle file 1 respectively.
The negative pressure seat 5 is sleeved outside the needle seat 1. Referring to fig. 10 to 12, the negative pressure seat 5 is in a cylindrical shape with an opening at the top and the bottom, the cross section of the top of the negative pressure seat 5 is circular, the outer wall of the top of the negative pressure seat 5 is circumferentially provided with a ring of fastening locations 501, the cross sections of the middle and the bottom of the negative pressure seat 5 are in a rounded square shape, the middle of the negative pressure seat 5 is internally provided with a transverse partition plate 502, the top surface of the transverse partition plate 502 is centrally and array-distributed with 4 circular bosses 503, 4 bosses 503 are arranged in the gaps between the 9 first inverted cones 104 of the needle hub 1, the bottom surface of the transverse partition plate 502 is centrally and array-distributed with 9 second inverted cones 504, 9 second inverted cones 504 respectively correspond to the 9 first inverted cones 104 of the needle hub 1, the lower end of each second inverted cone 504 is flush with the bottom surface of the negative pressure seat 5, the second inverted cone 504 is axially provided with a needle tube through hole 505, the needle tube 505 receives and supports the first inverted cone 104 of the needle hub 1, meanwhile, the lower end of the needle tube 2 passes through the needle tube through hole 505, and the side wall of the middle part of the negative pressure seat 5 is provided with a suction connecting port 506, and the suction connecting port 506 is communicated with the space below the diaphragm 502 in the negative pressure seat 5.
The adjusting seat 6 is sleeved on the middle part of the conical seat 4 and the top part of the negative pressure seat 5. Referring to fig. 13 and 14, the adjusting seat 6 is in a cover body shape, a stepped through hole 601 is formed in the adjusting seat 6 along an axis, the stepped through hole 601 includes a first hole 6011 and a second hole 6012, the first hole 6011 and the second hole 6012 are vertically arranged, the first hole 6011 is provided with an internal thread 602, the internal thread 602 is matched with an external thread 402 in the middle of the conical seat 4, the diameter of the second hole 6012 is greater than the diameter of the first hole 6011 and greater than the diameter of the annular boss 403 in the middle of the conical seat 4, the second hole 6012 is provided with a second self-destruction protrusion 603, the second self-destruction protrusion 603 is matched with the warning protrusion 404 and the first self-destruction protrusion 405 on the annular boss 403, one side of the second self-destruction protrusion 603 is provided with a stop surface, and the other side of the second self-destruction protrusion 603 is provided with a guide surface. The medial surface of adjusting seat 6 has more than 2 fixed buckles 604 along the circumference equipartition, more than 2 fixed buckle 604 and the position 501 spacing cooperation of detaining at negative pressure seat 5 top axial.
During assembly, referring to fig. 15, the needle tube 2 is fixed in the needle tube fixing hole 105 of the needle seat 1 through environment-friendly quick-drying glue, the shunt seat 3 and the conical seat 4 are assembled by matching the positioning step 303 and the positioning groove 408, a cavity is defined between the top surface of the shunt seat 3 and the bottom surface of the conical seat 4, the shunt seat 3 and the conical seat 4 are respectively matched with the guide rib 103 of the needle seat 1 through the first guide groove 304 and the second guide groove 409 in a guiding manner and are installed into the concave cavity 101 of the needle seat 1 together, and the upper end of the needle tube 2 penetrates into the through hole 301 of the shunt seat 3 without interference; referring to fig. 16, the assembled needle holder 1, needle tube 2, shunt holder 3 and conical holder 4 are installed in the negative pressure holder 5, the adjusting holder 6 is sleeved on the middle of the conical holder 4 and the top of the negative pressure holder 5, the internal thread 602 of the adjusting holder 6 is matched with the external thread 402 on the middle of the conical holder 4, and the adjusting holder 6 and the negative pressure holder 5 are assembled in an axial limiting fit manner through the fixing buckle 604 and the buckle position 501.
During normal use, referring to fig. 17, the adjusting seat 6 is rotated clockwise, because the internal thread 602 of the adjusting seat 6 is matched with the external thread 402 at the middle part of the conical seat 4, the adjusting seat 6 pushes the conical seat 4 to move downwards along the axial direction, the conical seat 4 drives the shunt seat 3 and the needle tube 2 to move downwards together, and the needle tube 2 extends downwards from the negative pressure seat 5.
The multi-head injection needle has the self-destruction function, and in order to prevent the multi-head injection needle from being directly self-destroyed by accident in clinical use, the warning bulge 404 on the conical seat 4 plays a warning role before self-destruction. Referring to fig. 18, the adjusting seat 6 is rotated counterclockwise, because the internal thread 602 of the adjusting seat 6 is matched with the external thread 402 at the middle part of the conical seat 4, the adjusting seat 6 pushes the conical seat 4 to move upward along the axial direction, and the conical seat 4 drives the shunt seat 3 and the needle tube 2 to move upward together. Before the second self-destruction bulge 603 of the adjusting seat 6 slides to realize self-destruction through the first self-destruction bulge 405 in the middle of the conical seat 4, the second self-destruction bulge 603 interferes with the warning bulge 404 in the middle of the conical seat 4, so that a warning effect is achieved. After the second self-destruction protrusion 603 of the adjusting seat 6 slides through the first self-destruction protrusion 405 in the middle of the conical seat 4, the adjusting seat 6 is tried to rotate clockwise, the stop surface of the second self-destruction protrusion 603 is blocked by the stop surface of the first self-destruction protrusion 405, the internal thread 602 cannot rotate back to the external thread 402, the adjusting seat 6 cannot reset, and the multi-head injection needle enters a self-destruction state and cannot be reused.
It should be noted that many variations and modifications of the embodiments of the present invention are possible, which are fully described, and are not limited to the specific examples of the above embodiments. The above embodiments are merely illustrative of the present invention and are not intended to limit the present invention. In conclusion, the scope of the present invention should include those changes or substitutions and modifications which are obvious to those of ordinary skill in the art.

Claims (9)

1. A multi-headed injection needle comprising:
the needle seat is provided with a concave cavity with an opening on the top surface and a needle tube fixing hole communicated with the bottom surface of the concave cavity;
the needle tube is fixedly arranged in the concave cavity of the needle seat and the needle tube fixing hole in a penetrating way;
the shunting seat is arranged in the concave cavity of the needle seat and is provided with a through hole penetrating through the top and the bottom, and the upper end of the needle tube penetrates into the through hole;
the conical seat is provided with a channel penetrating from top to bottom, the middle part of the conical seat is provided with an external thread and an annular boss, the bottom of the conical seat is arranged in the cavity of the needle seat, the bottom of the conical seat is assembled with the top of the flow distribution seat and surrounds a cavity, the annular boss is arranged below the external thread and is arranged along the circumferential direction of the middle part of the conical seat, the diameter of the annular boss is equal to the major diameter of the external thread, the side surface of the annular boss is sequentially provided with a warning bulge and a first self-destruction bulge along the circumferential direction, and the cavity is communicated with the through hole of the flow distribution seat and the channel;
the negative pressure seat is sleeved outside the needle seat, is in a cylinder shape with openings at the top and the bottom, is internally provided with a transverse partition plate, limits the needle seat downwards, and is provided with a needle tube through hole; and
the adjusting seat is sleeved at the middle of the conical seat and the top of the negative pressure seat, is in a cover body shape and is provided with a stepped through hole along the axis, the stepped through hole comprises a first hole and a second hole, the first hole and the second hole are arranged up and down, the first hole is provided with an internal thread, the internal thread is matched with an external thread at the middle of the conical seat, the diameter of the second hole is larger than that of the first hole and larger than that of an annular boss at the middle of the conical seat, the second hole is provided with a second self-destruction bulge, and the second self-destruction bulge is matched with a warning bulge and a first self-destruction bulge on the annular boss.
2. The multi-headed injection needle according to claim 1, wherein the bottom surface of the cavity of the needle holder is provided with a limiting step which limits the downward movement of the shunt holder.
3. The multi-headed injection needle according to claim 1, wherein the side wall of the cavity of the needle holder is provided with a guide rib extending in the axial direction of the cavity; the side of reposition of redundant personnel seat is equipped with first guide way, the bottom side of awl seat is equipped with the second guide way, first guide way and second guide way all cooperate with the direction muscle.
4. The multi-headed injection needle according to claim 1, wherein the bottom surface of the needle holder is provided with a first inverted cone, and the first inverted cone is provided with a needle tube fixing hole along the axis; the bottom surface of the diaphragm plate of the negative pressure seat is provided with a second inverted cone, the second inverted cone corresponds to the first inverted cone, the second inverted cone is provided with a needle tube through hole along the axis, the needle tube through hole is inverted cone, the needle tube through hole holds and supports the first inverted cone, and the lower end of the needle tube penetrates out from the needle tube through hole.
5. The multi-headed injection needle according to claim 1 wherein the top surface of the manifold is provided with a ring of positioning steps along the edges thereof, the bottom surface of the conical seat is provided with a ring of positioning grooves along the edges thereof, and the positioning steps are engaged with the positioning grooves.
6. The multi-headed injection needle according to claim 1, wherein the top surface of the flow dividing seat is provided with a flow guide boss, and the flow guide boss is connected with the through hole; the bottom surface of conical seat bottom is equipped with the water conservancy diversion recess, the water conservancy diversion recess corresponds with the water conservancy diversion boss, and communicates with the passageway.
7. The multi-headed injection needle according to claim 1, wherein both sides of the warning projection of the conical seat and one side of the first self-destruction projection adjacent to the warning projection are provided with guide surfaces, and the other side of the first self-destruction projection is provided with a stop surface; one side of the adjusting seat on the second self-destruction bulge is provided with a stop surface, and the other side of the adjusting seat on the second self-destruction bulge is provided with a guide surface.
8. The multi-headed injection needle according to claim 1, wherein the outer wall of the top of the negative pressure seat is circumferentially provided with a ring of buckling positions, the inner side surface of the adjusting seat is circumferentially provided with a fixed buckle, and the buckling positions are axially and limitedly matched with the fixed buckle.
9. The multi-headed injection needle according to claim 1, wherein the side wall of the negative pressure seat is provided with a suction port communicating with a space below the diaphragm.
CN201921353551.0U 2019-08-20 2019-08-20 Multi-head type injection needle Active CN210933168U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921353551.0U CN210933168U (en) 2019-08-20 2019-08-20 Multi-head type injection needle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921353551.0U CN210933168U (en) 2019-08-20 2019-08-20 Multi-head type injection needle

Publications (1)

Publication Number Publication Date
CN210933168U true CN210933168U (en) 2020-07-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921353551.0U Active CN210933168U (en) 2019-08-20 2019-08-20 Multi-head type injection needle

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CN (1) CN210933168U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110384844A (en) * 2019-08-20 2019-10-29 贝普医疗科技有限公司 A kind of multiple-head type injection needle
CN114129821A (en) * 2020-12-21 2022-03-04 艾诺克医美科技(珠海)有限公司 Multi-needle injection needle head capable of controlling needle outlet length with high precision

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110384844A (en) * 2019-08-20 2019-10-29 贝普医疗科技有限公司 A kind of multiple-head type injection needle
WO2021032098A1 (en) * 2019-08-20 2021-02-25 贝普医疗科技有限公司 Multi-head type injection needle
CN114129821A (en) * 2020-12-21 2022-03-04 艾诺克医美科技(珠海)有限公司 Multi-needle injection needle head capable of controlling needle outlet length with high precision
CN114129821B (en) * 2020-12-21 2024-03-19 艾诺克医美科技(珠海)有限公司 Multi-needle injection needle head capable of controlling needle-out length with high precision

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Address after: No.14, Xingji Road, Yongxing street, Longwan District, Wenzhou City, Zhejiang Province

Patentee after: Beipu Medical Technology Co.,Ltd.

Address before: No.14, Xingji Road, Yongxing street, Longwan District, Wenzhou City, Zhejiang Province

Patentee before: Beipu Medical Technology Co.,Ltd.