CN219681347U - Disposable needle for implanted drug delivery device - Google Patents
Disposable needle for implanted drug delivery device Download PDFInfo
- Publication number
- CN219681347U CN219681347U CN202321078363.8U CN202321078363U CN219681347U CN 219681347 U CN219681347 U CN 219681347U CN 202321078363 U CN202321078363 U CN 202321078363U CN 219681347 U CN219681347 U CN 219681347U
- Authority
- CN
- China
- Prior art keywords
- needle
- puncture
- drug delivery
- puncture needle
- needle point
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012377 drug delivery Methods 0.000 title claims abstract description 47
- 230000000903 blocking effect Effects 0.000 claims abstract description 43
- 239000003814 drug Substances 0.000 claims description 34
- 230000014759 maintenance of location Effects 0.000 claims description 29
- 239000007788 liquid Substances 0.000 claims description 28
- 238000005452 bending Methods 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 8
- 230000000717 retained effect Effects 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 1
- 238000004080 punching Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 229940127554 medical product Drugs 0.000 abstract description 2
- 238000001802 infusion Methods 0.000 description 6
- 230000035515 penetration Effects 0.000 description 6
- 238000013001 point bending Methods 0.000 description 4
- 229940079593 drug Drugs 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000002906 medical waste Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to the technical field of manufacturing of implantable drug delivery devices, in particular to an anti-needling disposable implantable drug delivery device special needle capable of completing needle blocking after puncturing and avoiding puncturing an operator of a disposable medical product after using.
Description
Technical field:
the utility model relates to the technical field of manufacturing of implantable drug delivery devices, in particular to a needle special for an anti-needling disposable implantable drug delivery device, which can finish needle locking after puncture and avoid puncturing an operator with disposable medical products after use.
The background technology is as follows:
the implanted drug delivery device is a medical device which is buried under the skin and can realize drug infusion or nutrient solution delivery, and after the product is fixed on a patient, the drug infusion can be realized repeatedly, and the patient can move under the condition of carrying the device, so that the implanted drug delivery device is suitable for long-time use. The implanted drug delivery device needs to be punctured when in use, and in the prior art, the puncture needle head is completely separated from the base of the implanted drug delivery device after the use is finished, and the puncture needle head is exposed. This results in a risk of injury to the staff during subsequent processing and high cost of subsequent sorting processes.
The utility model comprises the following steps:
aiming at the working requirement of the disposable implantable drug delivery device, the utility model provides the needle special for the disposable needle-pricking-preventing implantable drug delivery device, which can lock the puncture needle tip after puncturing, avoid exposing the puncture needle head under the condition of not influencing the normal drug delivery working condition of the disposable implantable drug delivery device, and effectively improve the product safety and the subsequent medical waste treatment efficiency.
The utility model is achieved by the following measures:
the needle special for the disposable needling prevention implantable drug delivery device is provided with a base, a drug delivery cavity is arranged in the base and communicated with an external catheter through a puncture assembly, and is characterized in that the puncture assembly comprises a puncture needle, a needle point blocking part, a needle point retention part and a needle seat connecting piece, the needle point blocking part is connected with the front part of the puncture needle, the needle point blocking part is positioned in the drug delivery cavity, a puncture needle hole and a puncture needle hole are formed in the drug delivery cavity, the needle point blocking part comprises a sealing piece arranged between the puncture needle hole and the puncture needle hole, and an elastic section connected with the sealing piece, a puncture needle hole is formed in the sealing piece, the elastic section of the needle point blocking part is propped against the inner wall of the drug delivery cavity, and when the elastic section is in a compressed state, the puncture needle hole on the sealing piece is coaxial with the puncture needle hole and the puncture needle hole; the needle point retention component is arranged at the puncture hole of the puncture needle, the needle point of the puncture needle is provided with a bending part matched with the needle point retention component, and the needle seat connecting piece is connected with the tail end of the puncture needle.
The elastic section of the needle point locking component at least comprises a V-shaped bending part, and more than two continuous V-shaped bending parts are arranged in the elastic section so as to provide enough elasticity; in order to ensure that the blocking piece in the needle point blocking part effectively blocks the puncture needle channel, a positioning boss is arranged on the side edge of the blocking piece opposite to the elastic section, and the positioning boss is 90 degrees with the blocking piece.
According to the utility model, the needle point locking part can be of an integrated structure, namely, the elastic section and the positioning boss can be of an integrated structure with the blocking piece, so that the strength of the blocking piece is improved, when the needle point locking part is arranged in the dosing cavity, before the puncture operation is not completed, the puncture needle body passes through the dosing cavity along a puncture needle channel coaxially arranged with the puncture needle puncture hole, the puncture needle hole and the puncture needle puncture outlet hole and is exposed out of the base, and at the moment, the elastic section of the needle point locking part is in a compressed state.
The needle point retention part is provided with a hollow lumen type main body, the hollow lumen type main body of the needle point retention part is arranged at a puncture needle puncture hole of a medicine feeding cavity and is communicated with the medicine feeding cavity, a protrusion used for being clamped with a needle point bending part of a puncture needle is arranged on the inner wall of the hollow lumen type main body and is in a barb shape, when the puncture needle point penetrates out in the direction of the medicine feeding cavity, the protrusion cannot prevent the movement of the puncture needle point, but when the puncture needle point exits in the direction away from the medicine feeding cavity, the protrusion is clamped with a bending part of the puncture needle point, so that the needle point part of the puncture needle is retained in the hollow lumen type main body of the needle point retention part.
The needle seat connecting piece is connected with the rear end of the needle body of the puncture needle, a liquid medicine channel is arranged in the needle seat connecting piece and is communicated with the inner needle body channel of the puncture needle, a liquid medicine connector connected with an external catheter is further arranged on the needle seat connecting piece, and the external catheter is communicated with the liquid medicine channel in the needle seat connecting piece through the liquid medicine connector; further, the needle seat connecting piece and the base are provided with a matched clamping structure which is used for being connected with the base shell to assist in positioning the puncture needle, and the clamping structure is a matched groove and a boss.
The needle seat connecting piece is also provided with the branch connecting channel communicated with the liquid medicine channel, the branch connecting channel is provided with the threaded cover body, the branch connecting channel is closed in a non-use state, and when the branch connecting channel is required to be arranged, the liquid medicine can be injected into the liquid medicine channel in the needle seat connecting piece through the branch connecting channel after the threaded cover body is taken down.
The puncture needle adopts a bending type nondestructive needle, and the external catheter is also provided with a pipeline clamp.
The cavity of the dosing cavity is flat, so that the implanted dosing device is more comfortable when being carried, when the implanted dosing device is used, before the puncture operation is not completed, the puncture needle body passes through the dosing cavity along a puncture needle channel coaxially arranged with the puncture needle puncture hole, the puncture needle hole and the puncture needle puncture outlet, the needle point at the front end of the puncture needle is exposed out of the base, at the moment, the elastic section of the needle point locking part is in a compressed state, and the needle seat connecting piece is connected with the base; after that, the operator uses the puncture needle point to complete the puncture, the puncture needle can withdraw from the puncture channel in the administration cavity, the needle seat connecting piece drives the puncture needle to withdraw from, the needle seat connecting piece is separated from the base, the puncture channel in the administration cavity is plugged by the plugging piece, at the moment, the puncture needle point stays in the hollow tube cavity type main body of the needle point retention part and is limited in the hollow tube cavity type main body by the bulge, the liquid medicine in the external catheter is still sent into the administration cavity along the puncture needle point through the hollow tube cavity type main body, if the liquid medicine is required to be further input, the puncture needle can be realized through the connection channel of the access branch until the liquid medicine is completely infused, the puncture needle point is always limited in the needle point retention part connected with the administration cavity, and the needle point cannot be exposed and the continuous infusion of the external liquid medicine can be ensured.
Compared with the prior art, the utility model can give consideration to the continuous infusion of liquid medicine and the anti-puncture protection of the puncture needle component, and has the remarkable advantages of reasonable structure, simple and convenient operation and the like.
Description of the drawings:
fig. 1 is a schematic diagram of the structure of the present utility model.
Fig. 2 is another angular schematic view of the present utility model.
Fig. 3 is a schematic structural view of the base and hub connector of the present utility model.
Fig. 4 is a perspective view of the base and hub connection of the present utility model.
Fig. 5 is a perspective view of an administration lumen in an embodiment of the present utility model.
Fig. 6 is a schematic view of the structure of the needle tip blocking member in an embodiment of the present utility model.
Fig. 7 is another angular schematic view of a needle tip blocking member in accordance with an embodiment of the present utility model.
Reference numerals: base 1, puncture needle 2, needle seat connecting piece 3, external catheter 4, pipeline clamp 5 and clamping structure 6 、 The needle comprises an administration cavity 7, a needle point retention part 8, a needle point locking part 9, a blocking piece 10, an elastic section 11, a puncture needle hole 12, a positioning boss 13 and a puncture needle point bending part 14.
The specific embodiment is as follows:
the utility model will be further described with reference to the drawings and examples.
As shown in fig. 1 and 2, the utility model provides a disposable implantable drug delivery device special needle, which is provided with a base 1, a drug delivery cavity 7 is arranged in the base 1, the drug delivery cavity 7 is communicated with an external catheter 4 through a puncture assembly, the puncture assembly comprises a puncture needle 2, a needle point locking part, a needle point retention part 8 and a needle seat connecting piece 3, the needle point locking part 9 is connected with the front part of the puncture needle 2, the needle point locking part 9 is positioned in the drug delivery cavity 7, a puncture needle puncture hole and a puncture needle puncture outlet hole are formed in the drug delivery cavity 7, the needle point locking part 9 comprises a blocking piece 10 arranged between the puncture needle puncture hole and the puncture needle puncture outlet hole, an elastic section 11 connected with the blocking piece 10, a puncture needle hole 12 is formed in the blocking piece 10, the elastic section 11 of the needle point locking part abuts against a positioning convex rib 15 on the inner wall of the drug delivery cavity 7, and the puncture needle hole 12 on the blocking piece 10 is positioned on the same axis as the puncture needle puncture hole and the puncture needle puncture outlet hole when the elastic section 11 is in a compressed state; the needle point retention component 8 is arranged at the puncture hole of the puncture needle, the needle point of the puncture needle 2 is provided with a bending part matched with the needle point retention component 8, and the needle seat connecting piece 3 is connected with the tail end of the puncture needle 2.
The elastic section of the needle point locking component at least comprises a V-shaped bending part, and more than two continuous V-shaped bending parts are arranged in the elastic section 11 to provide enough elasticity; in order to ensure that the blocking piece in the needle point blocking part effectively blocks the puncture needle channel, a positioning boss is arranged on the side edge of the blocking piece opposite to the elastic section, and the positioning boss is 90 degrees with the blocking piece.
According to the utility model, the needle point locking part 9 can be of an integrated structure, namely the elastic section 11 and the positioning boss 13 can be of an integrated structure with the blocking piece 10, so that the strength of the blocking piece 10 is improved, when the needle point locking part 9 is arranged in the dosing cavity 7, before a puncture operation is not completed, the needle body of the puncture needle 2 passes through the dosing cavity 7 along a puncture needle channel coaxially arranged with the puncture needle puncture hole, the puncture needle hole 12 and the puncture needle puncture outlet hole, and is exposed outside the base 1, and at the moment, the elastic section 11 of the needle point locking part 9 is in a compressed state.
The needle point retention part 9 is provided with a hollow cavity type main body, the hollow cavity type main body of the needle point retention part 9 is arranged at a puncture needle puncture hole of the administration cavity 7 and is communicated with the administration cavity 7, a bulge for being clamped with a puncture needle point bending part is arranged on the inner wall of the hollow cavity type main body, the bulge is in a barb shape, when the puncture needle point is penetrated out towards the administration cavity 7, the bulge can not prevent the movement of the puncture needle 2 needle point, but when the puncture needle 2 needle point is withdrawn along the direction far away from the administration cavity 7, the bulge is clamped with the bending part of the puncture needle 2 needle point, so that the needle point part of the puncture needle 2 is retained in the hollow cavity type main body of the needle point retention part 9.
The needle seat connecting piece 3 is connected with the rear end of the needle body of the puncture needle 2, a liquid medicine channel is arranged in the needle seat connecting piece 3 and is communicated with the inner needle body channel of the puncture needle 2, a liquid medicine connector connected with the external catheter 4 is also arranged on the needle seat connecting piece 3, and the external catheter 4 is communicated with the liquid medicine channel in the needle seat connecting piece through the liquid medicine connector; further, as shown in fig. 3, the hub connector 3 and the base 1 are provided with a matched clamping structure 6 for connecting with the housing of the base 1 to assist in positioning the puncture needle 2, and the clamping structure 6 is a matched groove and a matched boss.
The puncture needle 2 adopts a bending type nondestructive needle, and the external catheter 4 is also provided with a pipeline clamp 5.
Example 1:
the embodiment provides a disposable implantable drug delivery device special needle preventing needling, which is provided with a base 1, wherein a drug delivery cavity 7 is arranged in the base 1, the drug delivery cavity 7 is communicated with an external catheter 4 through a puncture assembly, the puncture assembly comprises a puncture needle 2, a needle point locking part, a needle point retention part 8 and a needle seat connecting piece 3, the needle point locking part 9 is connected with the front part of the puncture needle 2, the needle point locking part 9 is positioned in the drug delivery cavity 7, a puncture needle penetration hole and a puncture needle penetration hole are formed in the drug delivery cavity 7, as shown in figure 6, the needle point locking part 9 comprises a blocking piece 10 arranged between the puncture needle penetration hole and the puncture needle penetration hole, and an elastic section 11 connected with the blocking piece 10, as shown in figure 5, a puncture needle hole 12 is formed in the blocking piece 10, and the elastic section 11 of the needle point locking part abuts against the inner wall of the drug delivery cavity 7, so that when the elastic section 11 is in a compressed state, the puncture needle hole 12 on the blocking piece 10 is positioned on the same axis as the puncture needle penetration hole and the puncture needle penetration hole; the needle point retention component 8 is arranged at the puncture hole of the puncture needle, the needle point of the puncture needle 2 is provided with a bending part matched with the needle point retention component 8, and the needle seat connector 3 is connected with the tail end of the puncture needle 2;
as shown in fig. 5 and 7, the elastic section of the needle tip locking component in this embodiment is provided with more than two continuous V-shaped bending parts to provide enough elastic force; in order to ensure that the blocking piece in the needle point blocking part effectively blocks the puncture needle channel, a positioning boss 13 is arranged on the side edge of the blocking piece 10 opposite to the elastic section 11, and the positioning boss 13 and the blocking piece form 90 degrees; in this example, the needle tip locking member 9 is in an integral structure, that is, the elastic section 11 and the positioning boss 13 are in an integral structure with the plugging sheet 10, the front end of the elastic section 11 is connected with the positioning boss 13 of the plugging sheet 10, and the rear end of the elastic section is abutted against the positioning rib 15 in the dosing chamber 7, so that the strength of the plugging sheet 10 is improved, when the needle tip locking member 9 is arranged in the dosing chamber 7, before the puncture operation is not completed, the needle body of the puncture needle 2 passes through the dosing chamber 7 along the puncture needle channel coaxially arranged with the puncture needle puncture hole, the puncture needle hole 12 and the puncture needle puncture outlet hole, and is exposed outside the base 1, and at this time, the elastic section 11 of the needle tip locking member 9 is in a compressed state;
the needle point retention part 9 is provided with a hollow cavity type main body, the hollow cavity type main body of the needle point retention part 9 is arranged at a puncture needle puncture hole of the administration cavity 7 and is communicated with the administration cavity 7, a bulge for being clamped with a puncture needle point bending part 14 is arranged on the inner wall of the hollow cavity type main body, the bulge is in a barb shape, when the puncture needle point is penetrated out towards the direction of the administration cavity 7, the bulge can not prevent the movement of the puncture needle 2, but when the puncture needle 2 point is withdrawn along the direction far away from the administration cavity 7, the bulge is clamped with the bending part of the puncture needle 2 point, so that the needle point part of the puncture needle 2 is retained in the hollow cavity type main body of the needle point retention part 9; the needle seat connecting piece 3 is connected with the rear end of the needle body of the puncture needle 2, a liquid medicine channel is arranged in the needle seat connecting piece 3 and is communicated with the inner needle body channel of the puncture needle 2, a liquid medicine connector connected with the external catheter 4 is also arranged on the needle seat connecting piece 3, and the external catheter 4 is communicated with the liquid medicine channel in the needle seat connecting piece through the liquid medicine connector; as shown in fig. 3, the needle seat connecting piece 3 and the base 1 are provided with a matched clamping structure 6 for connecting with the outer shell of the base 1 to assist in positioning the puncture needle 2, and the clamping structure 6 is a matched groove and a matched boss; the puncture needle 2 is a bending type nondestructive needle, and the external catheter 4 is also provided with a pipeline clamp 5;
the cavity of the dosing cavity 7 is flat, so that the implanted dosing device is more comfortable when being carried, when the implanted dosing device is used, before the operation of puncturing is not completed, the needle body of the puncture needle 2 passes through the dosing cavity 7 along a puncture needle channel coaxially arranged with the puncture needle puncturing hole, the puncture needle hole 12 and the puncture needle puncturing outlet, the needle point at the front end of the puncture needle 2 is exposed out of the base, at the moment, the elastic section 11 of the needle point locking component 9 is in a compressed state, and the needle seat connecting piece 3 is connected with the base 1; after that, the operator uses the needle point of the puncture needle 2 to complete the puncture, the puncture needle 2 can exit the puncture channel in the administration cavity 7, the needle seat connecting piece 3 drives the puncture needle to exit, the needle seat connecting piece 3 is separated from the base 1, the puncture channel in the administration cavity 7 is blocked by the blocking piece 10, at the moment, the needle point of the puncture needle 2 stays in the hollow tube cavity type main body of the needle point retention part 9 and is limited in the hollow tube cavity type main body by the bulge, the liquid medicine in the external catheter 4 is still conveyed into the administration cavity 7 along the needle point of the puncture needle 2 through the hollow tube cavity type main body, if the liquid medicine needs to be further input, the operation can be realized through the connection channel of the access branch until the needle point of the puncture needle 2 is always limited in the needle point retention part 8 connected with the administration cavity, the needle point cannot be exposed and continuous infusion of the external liquid medicine can be ensured.
Compared with the prior art, the utility model can give consideration to the continuous infusion of liquid medicine and the anti-puncture protection of the puncture needle component, and has the remarkable advantages of reasonable structure, simple and convenient operation and the like.
Claims (8)
1. The needle special for the disposable needling prevention implantable drug delivery device is provided with a base, a drug delivery cavity is arranged in the base and communicated with an external catheter through a puncture assembly, and is characterized in that the puncture assembly comprises a puncture needle, a needle point blocking part, a needle point retention part and a needle seat connecting piece, the needle point blocking part is connected with the front part of the puncture needle, the needle point blocking part is positioned in the drug delivery cavity, a puncture needle hole and a puncture needle hole are formed in the drug delivery cavity, the needle point blocking part comprises a sealing piece arranged between the puncture needle hole and the puncture needle hole, and an elastic section connected with the sealing piece, a puncture needle hole is formed in the sealing piece, the elastic section of the needle point blocking part is propped against the inner wall of the drug delivery cavity, and when the elastic section is in a compressed state, the puncture needle hole on the sealing piece is coaxial with the puncture needle hole and the puncture needle hole; the needle point retention component is arranged at the puncture hole of the puncture needle, the needle point of the puncture needle is provided with a bending part matched with the needle point retention component, and the needle seat connecting piece is connected with the tail end of the puncture needle.
2. The needle for a single use implantable drug delivery device of claim 1, wherein the resilient section of the needle tip blocking member comprises at least one V-shaped bend.
3. The needle for a single use implantable drug delivery device of claim 2, wherein the elastic section has two or more continuous V-shaped bends.
4. The needle for a disposable implantable drug delivery device of claim 1, wherein the side of the blocking piece opposite to the elastic section is provided with a positioning boss, and the positioning boss is 90 ° with respect to the blocking piece.
5. The needle for a single use implantable drug delivery device of claim 1, wherein said needle tip blocking member is of unitary construction.
6. The needle for the disposable implantable drug delivery device of claim 1, wherein the needle point retention member has a hollow lumen-type body, the hollow lumen-type body of the needle point retention member is mounted at the puncture hole of the drug delivery chamber and is communicated with the drug delivery chamber, a protrusion for being clamped with the bent portion of the needle point of the puncture needle is arranged on the inner wall of the hollow lumen-type body, the protrusion is in a barb shape, when the needle point of the puncture needle is penetrated out in the direction of the drug delivery chamber, the protrusion does not prevent the movement of the needle point of the puncture needle, but when the needle point of the puncture needle is withdrawn in the direction away from the drug delivery chamber, the protrusion is clamped with the bent portion of the needle point of the puncture needle, so that the needle point portion of the puncture needle is retained in the hollow lumen-type body of the retention portion of the needle point.
7. The needle for the disposable implantable drug delivery device for preventing needle punching of claim 1, wherein the needle seat connecting piece is connected with the rear end of the needle body of the puncture needle, a liquid medicine channel is arranged in the needle seat connecting piece and is communicated with the internal needle channel of the puncture needle, a liquid medicine connector connected with an external catheter is further arranged on the needle seat connecting piece, and the external catheter is communicated with the liquid medicine channel in the needle seat connecting piece through the liquid medicine connector.
8. The needle for the disposable implantable drug delivery device of claim 1, wherein the needle holder connector and the base are provided with a matched clamping structure for connecting with the base shell, and the clamping structure is a matched groove and a matched boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321078363.8U CN219681347U (en) | 2023-05-08 | 2023-05-08 | Disposable needle for implanted drug delivery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321078363.8U CN219681347U (en) | 2023-05-08 | 2023-05-08 | Disposable needle for implanted drug delivery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219681347U true CN219681347U (en) | 2023-09-15 |
Family
ID=87962743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321078363.8U Active CN219681347U (en) | 2023-05-08 | 2023-05-08 | Disposable needle for implanted drug delivery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219681347U (en) |
-
2023
- 2023-05-08 CN CN202321078363.8U patent/CN219681347U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4889529A (en) | Needle | |
| US7214215B2 (en) | Puncture device with a flexible catheter tube for connecting to a medical infusion line | |
| US6749589B1 (en) | Subcutaneous injection set for use with a reservoir that has a septum | |
| CN1970100A (en) | Safety infusion set | |
| CN219681347U (en) | Disposable needle for implanted drug delivery device | |
| CN211659007U (en) | Continuous plexus blocking kit | |
| CN209916919U (en) | Indwelling needle | |
| KR200493225Y1 (en) | Syringe | |
| CN115068741A (en) | Anti-reflux anti-needling retention needle | |
| CN113893413A (en) | Remaining needle with blood blocking and acupuncture preventing functions | |
| CN109045400B (en) | Reinforced CT anti-extravasation indwelling needle | |
| CN218187460U (en) | Device is pulled out in special needle installation of implanted device of dosing | |
| KR20040007850A (en) | Needle socket for a blood vessel injection | |
| CN205145281U (en) | Syringe needle subassembly for needle is kept somewhere to vein | |
| CN215653091U (en) | Remaining needle with blood blocking and acupuncture preventing functions | |
| CN209847326U (en) | Puncture needle for auricle pseudocyst | |
| CN219127706U (en) | Infusion device | |
| US20230060176A1 (en) | Injection Assembly Apparatuses, Systems, and Methods | |
| CN219251208U (en) | Needle-puncture-preventing venous indwelling needle with wings | |
| CN118059346B (en) | Remaining needle assembly with anti-interference hemostatic clamp | |
| CN215537306U (en) | Indwelling needle | |
| CN210020647U (en) | Novel puncture trocar | |
| CN220513223U (en) | Prevent pressing vein and keep somewhere needle device | |
| CN209316695U (en) | A kind of transfusion needle of stereotactic puncture | |
| CN219557779U (en) | Ophthalmic syringe needle and syringe with same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |