CN221285861U - Disposable epidural double-cavity puncture needle - Google Patents
Disposable epidural double-cavity puncture needle Download PDFInfo
- Publication number
- CN221285861U CN221285861U CN202322274186.7U CN202322274186U CN221285861U CN 221285861 U CN221285861 U CN 221285861U CN 202322274186 U CN202322274186 U CN 202322274186U CN 221285861 U CN221285861 U CN 221285861U
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- assembly
- wall
- connecting pipe
- puncture needle
- ring
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- 238000001802 infusion Methods 0.000 claims abstract description 63
- 230000000712 assembly Effects 0.000 claims abstract description 22
- 238000000429 assembly Methods 0.000 claims abstract description 22
- 238000009950 felting Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 210000005036 nerve Anatomy 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000003444 anaesthetic effect Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000007914 Labor Pain Diseases 0.000 description 1
- 208000035945 Labour pain Diseases 0.000 description 1
- 208000002193 Pain Diseases 0.000 description 1
- 230000036592 analgesia Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000036407 pain Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a disposable epidural double-cavity puncture needle in the technical field of puncture needles, which comprises a connecting mechanism, a needle assembly, a connecting pipe and an infusion assembly, wherein the needle assembly is movably inserted into one end of the connecting pipe, the infusion assembly is movably inserted into the other end of the connecting pipe, and the infusion assembly penetrates through the connecting pipe and is movably inserted into the inner wall of the needle assembly; the limiting mechanism comprises two groups of assembly grooves, two groups of positioning assemblies and a collision ring piece, wherein the two groups of assembly grooves are symmetrically formed in the outer wall of the connecting pipe, the two groups of positioning assemblies are movably inserted into the inner walls of the two groups of assembly grooves respectively, the two groups of positioning assemblies penetrate through the connecting pipe and are movably inserted into the outer walls of the spike assembly and the infusion assembly respectively.
Description
Technical Field
The utility model relates to the technical field of puncture needles, in particular to a disposable epidural double-cavity puncture needle.
Background
Although painless delivery is applied for years in China, the method is different, and the effect is different; under the promotion of 'Chinese line of painless delivery', the application gradually becomes wider and wider, and the effect is also better and better; the problem that can exist is the poor analgesia of the common second labor; because of one puncture point, only the upper part or the lower part can be considered, and both the upper part and the lower part cannot be considered. The two-point puncture catheter can solve the problem, but the patient is unwilling to accept, the operation is complex, and the use of the method is limited to a certain extent; single tube application mainly solves pain of the first labor, because the first labor time is long; the nerves of the second labor pain are afferent from the nerves from the sacrum 2 to the sacrum 4, the capacity of the single tube injection is often not enough to block the nerves from the sacrum 2 to the sacrum 4, and if the capacity is increased to achieve the second labor satisfaction, the complications are increased; the existing epidural double-cavity puncture needle is characterized in that the outer needle tube penetrates through the skin to be positioned, the inner needle tube is used for transfusion, but the two existing needle tubes are not fixed in use, the patient is painful due to slight shaking generated during transfusion, and the existing epidural double-cavity puncture needle is disposable in reuse and serious in resource waste, so that the problem is solved, and the disposable epidural double-cavity puncture needle is designed.
The current partial pjncture needle generally adopts the mode of buckle to fix it on fixed module, and the mode of buckle leads to the pjncture needle unstable with the connection of fixed block module easily, when the operator mishandling or force is too big lead to the possibility that the pjncture needle drops easily, and current partial pjncture needle assembly is accomplished the back stability and is not good. For this reason, we propose a disposable epidural double-lumen puncture needle to solve the above-mentioned problems.
Disclosure of utility model
This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.
Therefore, the utility model aims to provide a disposable epidural double-cavity puncture needle, which can solve the problems that the existing part of puncture needles are generally fixed on a fixed module in a buckling manner, the connection between the puncture needles and the fixed block module is unstable easily due to the buckling manner, the puncture needles are likely to fall off easily when an operator operates improperly or is excessively stressed, and the stability is poor after the existing part of puncture needles are assembled.
In order to solve the technical problems, the utility model provides a disposable epidural double-cavity puncture needle, which adopts the following technical scheme: the infusion device comprises a connecting mechanism, a needle assembly, a connecting pipe and an infusion assembly, wherein the needle assembly is movably inserted into one end of the connecting pipe, the infusion assembly is movably inserted into the other end of the connecting pipe, and the infusion assembly penetrates through the connecting pipe and is movably inserted into the inner wall of the needle assembly;
The limiting mechanism comprises two groups of assembly grooves, two groups of positioning assemblies and a collision ring piece, wherein the two groups of assembly grooves are symmetrically formed in the outer wall of the connecting pipe, the two groups of positioning assemblies are movably inserted into the inner walls of the two groups of assembly grooves respectively, the two groups of positioning assemblies penetrate through the connecting pipe and are movably inserted into the outer walls of the puncture needle assembly and the infusion assembly respectively, the collision ring piece is movably sleeved on the outer wall of the connecting pipe, and the inner wall of the connecting pipe is in sliding butt joint with one end, away from the assembly grooves, of the positioning assemblies.
Through adopting above-mentioned technical scheme, this scheme at first inserts the both ends of connecting pipe with felting needle subassembly and infusion subassembly respectively, rotates the conflict ring spare along with this and makes locating component remove to the assembly inslot to make locating component and felting needle subassembly, infusion subassembly peg graft, and then be convenient for fix felting needle subassembly and infusion subassembly inside the connecting pipe.
Optionally, the felting needle subassembly includes syringe needle, broken skin locating tube and first go-between, syringe needle fixed connection is kept away from the one end of connecting pipe at broken skin locating tube, first go-between is fixed to be cup jointed in broken skin locating tube one end that is close to the connecting pipe, first go-between activity grafting is at the inner wall of connecting pipe.
Through adopting above-mentioned technical scheme, this scheme is convenient for the operator to insert the broken skin registration arm in the patient through the syringe needle to the length that the syringe needle got into the patient is convenient for through broken skin registration arm observes, is convenient for assemble the felting needle subassembly through first go-between and locating component cooperation.
Optionally, the infusion subassembly includes transfer line, second go-between and two clamps, the second go-between is fixed to be cup jointed at the outer wall of transfer line, two one of them one end of clamp articulates through the round pin axle mutually, the inner wall of clamp and the outer wall butt of second go-between.
Through adopting above-mentioned technical scheme, this scheme is convenient for assemble the transfer line through two clamps and second go-between cooperation, is convenient for carry anesthetic through the transfer line.
Optionally, the both ends of clamp inner wall are all fixedly connected with closing plate, two opposite one side of closing plate respectively with the both ends butt of second go-between.
Through adopting above-mentioned technical scheme, this scheme is convenient for seal the inner wall of second go-between through two closing plate cooperation to be convenient for carry out spacingly to the second go-between through two closing plate cooperation.
Optionally, the clamp is kept away from the round slot of one end of round pin axle, the inner wall in round slot is provided with the pressure spring, the pressure spring is kept away from the one end and another clamp butt in round slot.
Through adopting above-mentioned technical scheme, this scheme is convenient for assemble the pressure spring through the circular slot, is convenient for promote the upside clamp through the pressure spring and removes when the infusion subassembly is dismantled from in the connecting pipe to promote two clamps separation.
Optionally, the positioning assembly comprises a T-shaped rod and a spring, wherein the T-shaped rod is connected with the assembly groove through the spring, and the edge of one end of the T-shaped rod far away from the assembly groove is subjected to fillet treatment.
Through adopting above-mentioned technical scheme, this scheme is convenient for promote T shape pole through the spring and removes and separate with felting needle subassembly, infusion subassembly to the operator of being convenient for dismantle felting needle subassembly and infusion subassembly.
Optionally, the conflict ring spare includes ring and a plurality of arc groove, the ring activity cup joints the outer wall at the connecting pipe, a plurality of the arc groove equidistance is annular distribution in the inner wall of ring, the quantity of arc groove corresponds with the quantity of locating component.
Through adopting above-mentioned technical scheme, this scheme is through rotatory ring when the arc wall aligns with locating component, and the spring promotes the T shape pole and removes and separate with felting needle subassembly, infusion subassembly to be convenient for the operator dismantles felting needle subassembly and infusion subassembly.
Optionally, both ends of ring inner wall all fixedly connected with spacing ring, two annular have been seted up to the outer wall of connecting pipe, spacing ring sliding connection is at the inner wall of annular.
Through adopting above-mentioned technical scheme, this scheme is convenient for assemble the spacing ring through the annular, is convenient for reduce the possibility of ring and connecting pipe separation through two spacing ring cooperation.
In summary, the present utility model includes at least the following beneficial effects: 1. the positioning assembly is driven to move into the assembly groove by rotating the abutting ring piece, so that the positioning assembly is driven to be spliced with the puncture needle assembly and the infusion assembly, and the puncture needle assembly and the infusion assembly are conveniently fixed in the connecting pipe, and therefore stability of the assembled device is better;
2. When the device needs to be disassembled, the abutting ring piece is rotated again, so that the positioning assembly is promoted to move and separate from the puncture needle assembly and the infusion assembly, and an operator can conveniently disassemble the puncture needle assembly and the infusion assembly, and the assembly and the disassembly are more convenient.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a cross-sectional view of a three-dimensional expanded structure of the present utility model;
Fig. 3 is a schematic view of a partially expanded structure of the present utility model.
Reference numerals illustrate: 100. a connecting mechanism; 101. a lancet assembly; 101a, a needle; 101b, a skin breaking positioning tube; 101c, a first connection ring; 102. a connecting pipe; 102a, ring grooves; 103. an infusion assembly; 103a, infusion tube; 103b, a second connecting ring; 103c, clamping; 103c1, circular grooves; 103c2, a compression spring; 103d, sealing plates;
200. A limiting mechanism; 201. an assembly groove; 202. a positioning assembly; 202a, T-bars; 202b, springs; 203. a contact ring; 203a, a circular ring; 203b, an arc-shaped groove; 203c, a limiting ring.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-3.
1-3, In order to solve the problems that the existing part of the puncture needle is generally fixed on the fixing module by adopting a buckling mode, the connection between the puncture needle and the fixing block module is unstable easily due to the buckling mode, the puncture needle is easy to fall off when an operator operates improperly or is excessively stressed, and the stability is poor after the assembly of the existing part of the puncture needle is finished, the utility model discloses a disposable epidural double-cavity puncture needle,
The infusion device comprises a connecting mechanism 100, wherein the connecting mechanism comprises a puncture needle assembly 101, a connecting pipe 102 and an infusion assembly 103, the puncture needle assembly 101 is movably inserted into one end of the connecting pipe 102, the infusion assembly 103 is movably inserted into the other end of the connecting pipe 102, the infusion assembly 103 penetrates through the connecting pipe 102 and is movably inserted into the inner wall of the puncture needle assembly 101, and the puncture needle assembly 101 and the infusion assembly 103 are respectively inserted into two ends of the connecting pipe 102, so that the puncture needle assembly 101 and the infusion assembly 103 are assembled.
The limiting mechanism 200 comprises two groups of assembly grooves 201, two groups of positioning assemblies 202 and a collision ring 203, wherein the two groups of assembly grooves 201 are symmetrically formed in the outer wall of the connecting pipe 102, the two groups of positioning assemblies 202 are movably inserted into the inner walls of the two groups of assembly grooves 201 respectively, and the positioning assemblies 202 are conveniently assembled through the assembly grooves 201.
The two groups of positioning assemblies 202 penetrate through the connecting pipe 102 and are movably spliced with the outer walls of the needle assembly 101 and the infusion assembly 103 respectively, the abutting ring members 203 are movably sleeved on the outer wall of the connecting pipe 102, the inner wall of the connecting pipe 102 is in sliding abutting connection with one end, far away from the assembly groove 201, of the positioning assembly 202, and the positioning assembly 202 is driven to move into the assembly groove 201 by rotating the abutting ring members 203, so that the positioning assembly 202 is driven to be spliced with the needle assembly 101 and the infusion assembly 103, and the needle assembly 101 and the infusion assembly 103 are conveniently fixed inside the connecting pipe 102; by rotating the interference ring 203 again, the positioning assembly 202 is moved and separated from the spike assembly 101 and the infusion assembly 103, thereby facilitating the disassembly of the spike assembly 101 and the infusion assembly 103 by an operator.
The specific working principle is as follows: firstly, the puncture needle assembly 101 and the infusion assembly 103 are respectively inserted into two ends of the connecting pipe 102, and then the abutting ring 203 is rotated to enable the positioning assembly 202 to move into the assembly groove 201, so that the positioning assembly 202 is enabled to be inserted into the puncture needle assembly 101 and the infusion assembly 103, and the puncture needle assembly 101 and the infusion assembly 103 are conveniently fixed inside the connecting pipe 102.
1-3, In order to solve the problem that in this embodiment, in order to solve the problem that the existing part of the puncture needle has a smaller volume, when the part of the puncture needle needs to be disassembled, the operator is difficult to hold the part of the puncture needle, and the operator is easy to be influenced to disassemble the part of the puncture needle, based on the same concept as the first embodiment, the disposable epidural double-cavity puncture needle further comprises:
The needle assembly 101 comprises a needle 101a, a skin breaking positioning tube 101b and a first connecting ring 101c, wherein the needle 101a is fixedly connected to one end of the skin breaking positioning tube 101b, which is far away from the connecting tube 102, the first connecting ring 101c is fixedly sleeved at one end of the skin breaking positioning tube 101b, which is close to the connecting tube 102, the first connecting ring 101c is movably inserted into the inner wall of the connecting tube 102, an operator can conveniently insert the skin breaking positioning tube 101b into a patient through the needle 101a, the needle 101a can conveniently enter the length of the patient for observation through the skin breaking positioning tube 101b, the needle assembly 101 is conveniently fixed inside the connecting tube 102 through the cooperation of the first connecting ring 101c and the positioning assembly 202, a main hole is formed in the front end of the needle 101a, side holes are opened and closed, and the distance between the side holes is 3cm.
The infusion assembly 103 comprises an infusion tube 103a, a second connecting ring 103b and two hoops 103c, wherein the second connecting ring 103b is fixedly sleeved on the outer wall of the infusion tube 103a, one end of each of the two hoops 103c is hinged through a pin shaft, the inner wall of each of the hoops 103c is abutted against the outer wall of the corresponding second connecting ring 103b, the infusion tube 103a is conveniently assembled through the cooperation of the two hoops 103c and the second connecting ring 103b, anesthetic is conveniently conveyed through the infusion tube 103a, an operator is conveniently detached from the infusion tube 103a through opening the hoops 103c, the infusion tube 103a is composed of two tube bodies, one tube body is communicated with a main hole of the needle 101a and used for first-stage injection, and the other tube body is communicated with a side hole of the needle 101a and used for second-stage injection, so that the split-stage injection of the device is realized.
Both ends of clamp 103c inner wall are all fixedly connected with closing plate 103d, and two closing plate 103 d's opposite one side respectively with the both ends butt of second go-between 103b, be convenient for seal second go-between 103 b's inner wall through two closing plate 103d cooperation to be convenient for carry out spacingly to second go-between 103b through two closing plate 103d cooperation, thereby be convenient for assemble second go-between 103b in two clamps 103 c.
The circular slot 103c1 has been seted up to the one end that round pin axle was kept away from to clamp 103c, and the inner wall of circular slot 103c1 is provided with pressure spring 103c2, and pressure spring 103c2 keeps away from the one end and the another clamp 103c butt of circular slot 103c1, is convenient for assemble pressure spring 103c2 through circular slot 103c1, is convenient for promote upside clamp 103c removal through pressure spring 103c2 when infusion set 103 is dismantled from connecting pipe 102 to impel two clamp 103c separation, and then the operator of being convenient for dismantles transfer line 103 a.
The specific working principle is as follows: when the device needs to be disassembled, the abutting ring piece 203 is rotated again, so that the positioning assembly 202 is driven to move and separate from the needle assembly 101 and the infusion assembly 103, and an operator can conveniently withdraw the needle assembly 101 and the infusion assembly 103 from the connecting pipe 102, so that the needle assembly 101 and the infusion assembly 103 are disassembled.
1-3, In order to solve the problem that the existing part of the puncture needle is assembled in a snap-in manner, and the puncture needle is easy to fall off when an operator operates improperly, the disposable epidural double-cavity puncture needle further comprises, based on the same concept as the first embodiment:
The positioning assembly 202 comprises a T-shaped rod 202a and a spring 202b, wherein the T-shaped rod 202a is connected with the assembly groove 201 through the spring 202b, the edge of one end of the T-shaped rod 202a away from the assembly groove 201 is rounded, the T-shaped rod 202a is conveniently pushed to move and separate from the needle assembly 101 and the infusion assembly 103 through the spring 202b, the needle assembly 101 and the infusion assembly 103 are conveniently detached by an operator, and the T-shaped rod 202a is conveniently moved along when the operator rotates the abutting ring 203 through the rounded corner.
The abutting ring member 203 comprises a circular ring 203a and a plurality of arc-shaped grooves 203b, the circular ring 203a is movably sleeved on the outer wall of the connecting pipe 102, the plurality of arc-shaped grooves 203b are distributed on the inner wall of the circular ring 203a in an annular mode at equal intervals, the number of the arc-shaped grooves 203b corresponds to that of the positioning assemblies 202, when the arc-shaped grooves 203b are aligned with the positioning assemblies 202, the springs 202b push the T-shaped rods 202a to move and separate from the needle assemblies 101 and the infusion assemblies 103 through rotating the circular ring 203a, so that an operator can conveniently detach the needle assemblies 101 from the infusion assemblies 103, and the abutting ring member 203 is continuously rotated so as to conveniently push the T-shaped rods 202a to reset and plug in the needle assemblies 101 and the infusion assemblies 103, so that the operator can conveniently assemble the needle assemblies 101 and the infusion assemblies 103.
Two ends of the inner wall of the circular ring 203a are fixedly connected with limiting rings 203c, two annular grooves 102a are formed in the outer wall of the connecting pipe 102, the limiting rings 203c are slidably connected to the inner wall of the annular groove 102a, the limiting rings 203c are convenient to assemble through the annular grooves 102a, the possibility that the circular ring 203a is separated from the connecting pipe 102 is reduced through the cooperation of the two limiting rings 203c, friction between the circular ring 203a and the connecting pipe 102 is increased through the cooperation of the limiting rings 203c and the annular grooves 102a, and therefore the possibility of automatic rotation of the circular ring 203a is reduced.
The specific working principle is as follows: the friction force between the circular ring 203a and the connecting pipe 102 is conveniently increased through the cooperation of the limiting ring 203c and the circular ring 102a, and the friction force between the circular ring 203a and the connecting pipe is conveniently increased through the abutting of the T-shaped rod 202a and the inner wall of the circular ring 203a, so that the possibility of automatic rotation of the circular ring 203a is reduced, and the possibility of automatic falling-off of the needle assembly 101 and the infusion assembly 103 is further reduced.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. Disposable epidural double-cavity puncture needle, its characterized in that: comprising the steps of (a) a step of,
The connecting mechanism (100) comprises a puncture needle assembly (101), a connecting pipe (102) and an infusion assembly (103), wherein the puncture needle assembly (101) is movably inserted into one end of the connecting pipe (102), the infusion assembly (103) is movably inserted into the other end of the connecting pipe (102), and the infusion assembly (103) penetrates through the connecting pipe (102) and is movably inserted into the inner wall of the puncture needle assembly (101);
Stop gear (200), it includes two sets of assembly grooves (201), two sets of locating component (202) and conflict ring (203), two sets of the outer wall at connecting pipe (102) is seted up to assembly groove (201) symmetry, two sets of locating component (202) activity respectively peg graft in the inner wall of two sets of assembly grooves (201), two sets of locating component (202) run through connecting pipe (102) and peg graft with the outer wall activity of felting needle subassembly (101), infusion subassembly (103) respectively, the outer wall at connecting pipe (102) is cup jointed in conflict ring (203) activity, the one end slip butt of assembly groove (201) is kept away from to the inner wall of connecting pipe (102) and locating component (202).
2. The disposable epidural double-lumen puncture needle of claim 1, wherein: the puncture needle assembly (101) comprises a needle head (101 a), a skin breaking positioning tube (101 b) and a first connecting ring (101 c), wherein the needle head (101 a) is fixedly connected to one end, far away from the connecting tube (102), of the skin breaking positioning tube (101 b), the first connecting ring (101 c) is fixedly sleeved at one end, close to the connecting tube (102), of the skin breaking positioning tube (101 b), and the first connecting ring (101 c) is movably spliced to the inner wall of the connecting tube (102).
3. The disposable epidural double-lumen puncture needle of claim 1, wherein: the infusion assembly (103) comprises an infusion tube (103 a), a second connecting ring (103 b) and two hoops (103 c), wherein the second connecting ring (103 b) is fixedly sleeved on the outer wall of the infusion tube (103 a), one ends of the two hoops (103 c) are hinged through a pin shaft, and the inner wall of the hoops (103 c) is abutted to the outer wall of the second connecting ring (103 b).
4. A disposable epidural dual-cavity puncture needle according to claim 3, wherein: sealing plates (103 d) are fixedly connected to two ends of the inner wall of the clamp (103 c), and opposite sides of the two sealing plates (103 d) are respectively abutted to two ends of the second connecting ring (103 b).
5. A disposable epidural dual-cavity puncture needle according to claim 3, wherein: the clamp (103 c) is far away from one end of the pin shaft and is provided with a circular groove (103 c 1), the inner wall of the circular groove (103 c 1) is provided with a pressure spring (103 c 2), and one end of the pressure spring (103 c 2) far away from the circular groove (103 c 1) is abutted with the other clamp (103 c).
6. The disposable epidural double-lumen puncture needle of claim 1, wherein: the positioning assembly (202) comprises a T-shaped rod (202 a) and a spring (202 b), wherein the T-shaped rod (202 a) is connected with the assembly groove (201) through the spring (202 b), and edges of one end, far away from the assembly groove (201), of the T-shaped rod (202 a) are rounded.
7. The disposable epidural double-lumen puncture needle of claim 1, wherein: the interference ring piece (203) comprises a circular ring (203 a) and a plurality of arc grooves (203 b), the circular ring (203 a) is movably sleeved on the outer wall of the connecting pipe (102), the arc grooves (203 b) are annularly distributed on the inner wall of the circular ring (203 a) at equal intervals, and the number of the arc grooves (203 b) corresponds to the number of the positioning assemblies (202).
8. The disposable epidural double-lumen puncture needle of claim 7, wherein: limiting rings (203 c) are fixedly connected to two ends of the inner wall of the circular ring (203 a), two annular grooves (102 a) are formed in the outer wall of the connecting pipe (102), and the limiting rings (203 c) are slidably connected to the inner wall of the annular grooves (102 a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322274186.7U CN221285861U (en) | 2023-08-22 | 2023-08-22 | Disposable epidural double-cavity puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322274186.7U CN221285861U (en) | 2023-08-22 | 2023-08-22 | Disposable epidural double-cavity puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221285861U true CN221285861U (en) | 2024-07-09 |
Family
ID=91740920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322274186.7U Active CN221285861U (en) | 2023-08-22 | 2023-08-22 | Disposable epidural double-cavity puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221285861U (en) |
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2023
- 2023-08-22 CN CN202322274186.7U patent/CN221285861U/en active Active
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