CN217471950U - Double-cavity blood taking needle - Google Patents
Double-cavity blood taking needle Download PDFInfo
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- CN217471950U CN217471950U CN202220239683.6U CN202220239683U CN217471950U CN 217471950 U CN217471950 U CN 217471950U CN 202220239683 U CN202220239683 U CN 202220239683U CN 217471950 U CN217471950 U CN 217471950U
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Abstract
The utility model belongs to the technical field of the blood taking needle technique and specifically relates to a double-chamber type blood taking needle. This dual chamber blood taking needle includes: a transparent visualization catheter, a shunt, a dual lumen first catheter, and a dual lumen second catheter; a vein puncture needle is arranged at the end part of the transparent visual catheter; the intravenous puncture needle is provided with an intravenous needle cap; a safety needle cap is arranged outside the intravenous needle cap; the transparent visual catheter is provided with a fixed wing, and the back of the fixed wing is provided with a sticker; the double-cavity first catheter is connected with an integrated double-cavity first catheter and a split double-cavity second catheter through a splitter respectively. The utility model relates to a novelty, the structure is ingenious, does benefit to popularization and application.
Description
Technical Field
The utility model belongs to the technical field of the blood taking needle technique and specifically relates to a dual-chamber formula blood taking needle.
Background
The blood taking needle is a medical consumable used widely in places such as hospitals and physical examination mechanisms, and generally comprises a needle seat, wherein two ends of the needle seat are respectively provided with a needle head, one needle head is used for puncturing veins, the other needle head is used for penetrating a blood taking tube, and then blood in the veins is conveyed into the blood taking tube. However, the straight needle blood taking needle with the existing structure cannot see the return blood during operation, and if the blood meets the veins which are difficult to puncture, the puncture can not be ensured to be in place, and the operation accuracy can not be ensured. Moreover, the existing structure can not be effectively fixed, and the needle head is easy to move when the vacuum blood collection tube is connected back and forth. Meanwhile, the single-cavity blood taking needle wastes time and labor.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a double-chamber formula blood taking needle to solve the technical problem who exists among the prior art.
In order to realize the purpose, the utility model adopts the following technical scheme:
the utility model provides a double-chamber formula blood taking needle, it includes: a transparent visualization catheter, a shunt, a dual lumen first catheter, and a dual lumen second catheter; a vein puncture needle is arranged at the end part of the transparent visual catheter; the vein puncture needle is provided with a vein needle cap; a safety needle cap is arranged outside the intravenous needle cap; the transparent visual catheter is provided with a fixed wing, and the back of the fixed wing is provided with a sticker; the double-cavity first catheter is respectively connected with a double-cavity first catheter and a double-cavity second catheter through a shunt; the double-cavity first catheter is connected with the shunt in an integrated manner, and is provided with a first needle seat; the double-cavity second catheter is detachably connected with the shunt and provided with a second needle seat.
Furthermore, a puncture needle matched with a blood collection tube is arranged on the first needle seat;
the needle holder is provided with a penetrating nozzle for the puncture needle to penetrate;
the penetrating nozzle is detachably connected with the first needle seat.
Further, a puncture needle matched with the blood collection tube is arranged on the second needle seat;
a puncture mouth for puncture needle to penetrate is arranged on the needle holder;
the penetrating nozzle is detachably connected with the second needle seat.
Furthermore, the puncture needle is provided with a tail end needle head protective sleeve.
Further, the vein puncture needle is provided with a first connecting part;
the transparent visual conduit is provided with a second connecting part which is detachably connected with the first connecting part.
Further, the shunt is provided with a first connecting part;
the double-cavity second catheter is provided with a second connecting part which is detachably connected with the first connecting part.
Furthermore, be provided with first shrink section on the first connecting portion, the great end and the first connecting portion transitional coupling of first shrink section, cooperation first shrink section is provided with the second shrink section on the second connecting portion, the great end and the second connecting portion transitional coupling of second shrink section.
Further, the first connecting portion and the second connecting portion are connected through threads, so that the first shrinkage section and the second shrinkage section are in interference fit.
Further, the fixed wing includes: the left side pasting part, the middle connecting part and the right side pasting part are sequentially connected; the back surface of the left side pasting part is provided with a glue paste;
the middle connecting part is provided with an arc-shaped section fixedly connected with the transparent visual catheter;
the back of the right side pasting part is provided with a glue sticker.
Adopt above-mentioned technical scheme, the utility model discloses following beneficial effect has:
the utility model discloses changed traditional straight needle blood taking needle, can not direct-viewing, accurate seeing back blood puncture during the puncture, lead to the operation failure easily. The utility model discloses a double needle cap fixed protection syringe needle utilizes safe type needle cap design preventable needle stick to hinder. The utility model discloses have on the stationary vane and paste the fixed glue of type and paste, can directly paste on skin after the puncture is successful, simple and convenient has optimized the tradition and has torn the rubberized fabric, the operation of being more convenient for. The utility model discloses two-chamber pipe blood sampling ward nurse of being convenient for is when taking a blood sample for the patient, because of patient's examination project is many, and the volume of taking a blood sample and heparin tube are when many, more labour saving and time saving. The double-cavity catheter of the utility model can be connected with a needle holder, which is double-protection, prevents needle-prick injury and is more convenient. The operation is accurate and simple, saves time and labor and is beneficial to clinical nursing work.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an exploded view of FIG. 2;
FIG. 4 is an enlarged view of a portion of FIG. 1 at B;
FIG. 5 is an exploded view of FIG. 4;
FIG. 6 is an enlarged view of a portion of FIG. 1 at C;
FIG. 7 is an exploded view of FIG. 6;
fig. 8 is a schematic structural view of a second embodiment of the present invention;
FIG. 9 is an enlarged view of a portion of FIG. 8 at D;
fig. 10 is an exploded view of fig. 8.
An icon: 1-a transparent visualization catheter; 2-a flow divider; 3-a dual lumen first catheter; 4-a dual lumen second catheter; 5-a first connection; 6-a second connection; 7-a pedestal; 8-vein puncture needle; 9-a first constriction; 10-a second constriction; 11-fixed wing; 12-a needle stand body; 13-puncture needle; 14-a third connection end; 15-a fourth connection end; 16-a needle holder; 17-a penetration mouth; 18-a protective jacket; 19-a stationary table; 20-boss; 21-venous needle cap; 22-safety needle cap.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The following describes in detail embodiments of the present invention with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
Example one
The present embodiment provides a dual chamber type blood lancet, which includes: a transparent visualization catheter 1, a shunt 2, a dual lumen first catheter 3, and a dual lumen second catheter 4.
Transparent visual pipe 1 is transparent material, and the medical personnel of being convenient for observe the blood backward flow condition in the transparent visual pipe 1, conveniently grasps the condition that vein pjncture needle 8 penetrated the vein more, and more specifically, first pipe 3 of two-chamber and two-chamber second pipe 4 are transparent material, and further for medical personnel observe the blood return condition and provide convenience.
The end part of the transparent visual catheter 1 is provided with a vein puncture needle 8; the vein puncture needle 8 is provided with a vein needle cap 21; the safety needle cap 22 is arranged outside the venous needle cap 21, the protective needle head is fixed by adopting double needle caps, and the safety needle cap 22 is designed to prevent needle stick injuries. The specific form of the safety needle cap 22 is not limited, and the safety needle cap can be flexibly arranged according to actual needs, and can be in a buckling type or a threaded type.
The transparent visual catheter 1 is provided with a fixed wing 11, and the back of the fixed wing 11 is provided with an adhesive sticker; specifically, the rubberizing can be for the medical adhesive tape that tears, and the back that should tear the adhesive tape sets up the protecting film, tears the back with the protecting film and can fix transparent visual pipe 1 on skin, great increase the utility model discloses a stability prevents that 8 activities of venipuncture needle from deviating from, and it is more convenient to use.
Further, the stationary vane 11 includes: the left side pasting part, the middle connecting part and the right side pasting part are sequentially connected; the back of the left side pasting part is provided with a glue paste.
The middle connecting part is provided with an arc-shaped section fixedly connected with the transparent visual catheter 1;
the back of the right side pasting part is provided with a glue paste.
The double-cavity first catheter 3 is respectively connected with a double-cavity first catheter 3 and a double-cavity second catheter 4 through a shunt 2; the double-cavity first catheter 3 is integrally connected with the shunt 2, and the double-cavity first catheter 3 is provided with a first needle seat; the double-cavity second catheter 4 is detachably connected with the shunt 2, and the double-cavity second catheter 4 is provided with a second needle seat.
The specific form of the first needle mount and the second needle mount is not limited.
For example: the first needle seat and the second needle seat have the same structure.
Furthermore, a puncture needle matched with the blood collection tube is arranged on the first needle seat;
the needle holder 16 is provided with a penetrating nozzle 17 for a puncture needle to penetrate;
the penetration mouth 17 is detachably connected with the first needle holder.
Furthermore, a puncture needle matched with the blood collection tube is arranged on the second needle seat;
the needle holder 16 is provided with a penetrating nozzle 17 for a puncture needle to penetrate;
the penetration mouth 17 is detachably connected with the second needle seat.
Furthermore, the puncture needle is provided with a tail end needle head protective sleeve.
For example: the structure of the first needle seat and the second needle seat can also be different.
Further, the second needle seat can be designed into a separable structure. The puncture needle is detachably connected with the second needle seat, and when the puncture needle is detached from the second needle seat, the puncture needle can be connected with the injector.
In another embodiment, further, the venipuncture needle 8 is provided with a first connection portion; the transparent visualization catheter 1 is provided with a second connecting portion detachably connected with the first connecting portion. Further, the shunt 2 is provided with a first connection portion; the double-cavity second catheter 4 is provided with a second connecting part which is detachably connected with the first connecting part.
Furthermore, be provided with first shrink section 9 on first connecting portion 5, the great end and the first connecting portion 5 transitional coupling of first shrink section 9, cooperation first shrink section 9 is provided with second shrink section 10 on the second connecting portion 6, the great end and the second connecting portion 6 transitional coupling of second shrink section 10. Further, the first connecting portion 5 and the second connecting portion 6 are connected by screw threads, so that the first contracting section 9 and the second contracting section 10 are in interference fit.
Specifically, the venipuncture needle 8 comprises a pedestal 7, a metal needle for puncturing veins of a human body is arranged on one side of the pedestal 7, a first connecting portion 5 is arranged on the other side of the pedestal 7, the first connecting portion 5 penetrates through the inside of a second connecting portion 6, the first connecting portion 5 and the second connecting portion 6 can be in threaded fit or interference fit, specifically, the pedestal 7 protrudes out of the first connecting portion 5, namely, the outer diameter of the pedestal 7 is larger than that of the first connecting portion 5, the pedestal 7 can be more conveniently held, and the first connecting portion 5 and the second connecting portion 6 can be conveniently installed, in the embodiment, a first contraction section 9 is arranged on the first connecting portion 5, the first contraction section 9 is provided with a larger end and a smaller end, the larger end of the first contraction section 9 is in transitional connection with the first connecting portion 5, correspondingly, a second contraction section 10 is arranged on the second connecting portion 6 in cooperation with the first contraction section 9, the second contraction section 10 has a larger end and a smaller end, the larger end of the second contraction section 10 is in transition connection with the second connecting part 6, specifically, the second connecting part 6 on the transparent visualization catheter 1 is connected with the transparent visualization catheter 1 through the second contraction section 10, and the second connecting part 6 on the double-lumen second catheter 4 is connected through the second contraction section 10. In this embodiment, the first connection portion 5 and the second connection portion 6 are preferably connected by a screw thread, so that the connection strength and the sealing performance between the first connection portion 5 and the second connection portion 6 are increased, when the first connection portion 5 and the second connection portion 6 are screwed, the first contraction section 9 and the second contraction section 10 are in interference fit, the sealing performance between the venipuncture needle 8 and the transparent visual catheter 1 or between the shunt 2 and the dual-lumen second catheter 4 is further increased, and the phenomenon of blood leakage is avoided.
The venipuncture needle 8 can be mounted on either the transparent visualization catheter 1 or the dual lumen second catheter 4, and the dual lumen second catheter 4 can be connected to both the shunt 2 and the venipuncture needle 8.
When only needing a blood sampling tube to take a blood sample, install vein puncture needle 8 on two-chamber second pipe 4 through the cooperation of first connecting portion 5 and second connecting portion 6 can, under the guide effect of vein puncture needle 8 and two-chamber second pipe 4, carry blood to the blood sampling tube, abandon two-chamber second pipe 4 and vein puncture needle 8 can after the blood sampling is accomplished.
When the blood sampling of two heparin tubes is carried out simultaneously to needs, install two-chamber second pipe 4 on shunt 2 through the cooperation of first connecting portion 5 and second connecting portion 6, install vein puncture needle 8 on transparent visual pipe 1 through the cooperation of first connecting portion 5 and second connecting portion 6, the end of two-chamber first pipe 3 and the end of two-chamber second pipe 4 all can with the heparin tube be connected, under the guide effect of vein puncture needle 8, transparent visual pipe 1, two-chamber first pipe 3 and two-chamber second pipe 4, realize taking a blood sample when two heparin tubes, whole abandon after the completion of taking a blood sample can, make the utility model discloses an applicability is stronger, and according to the blood sampling actual conditions, can effectually save the consumption of consumptive material.
In this embodiment, the first needle holder and the second needle holder include a needle holder body 12, a puncture needle 13 is disposed on one side of the needle holder body 12, the puncture needle 13 is used for being connected with a blood collection tube in a matching manner, a third connecting end 14 is disposed on the other side of the needle holder body 12, a fourth connecting end 15 is disposed at the end of the dual-lumen first catheter 3 and the end of the dual-lumen second catheter 4, the third connecting end 14 and the fourth connecting end 15 are detachably connected, so as to facilitate the installation of the second needle assembly, more specifically, the third connecting end 14 is also in a form of being penetrated through the fourth connecting end 15, and the third connecting end 14 and the fourth connecting end 15 can be connected in a threaded connection or an interference fit manner, in this embodiment, the needle holder body 12 protrudes out of the third connecting end 14, that is, the outer diameter of the needle holder body 12 is larger than the outer diameter of the third connecting end 14, so that the needle holder body 12 can be more conveniently held, so as to facilitate the matching connection of the third connecting end 14 and the fourth connecting end 15, more preferably, third link 14 and first connecting portion 5 can be the same specification, and fourth link 15 and second connecting portion 6 can be the same specification, and needle file body 12 and pedestal 7 also are the same specification, in production the utility model discloses the time, reduce the die sinking cost, great reduction the utility model discloses a manufacturing cost.
In this embodiment, the needle holder 16 is provided with a penetration nozzle 17 for penetrating the puncture needle 13, and the penetration nozzle 17 is detachably connected with the needle holder body 12, so that the needle holder 16 is convenient to mount and dismount, and the needle holder 16 can be reused.
In the actual blood collection process, when the needle holder 16 is repeatedly used, after the puncture needle 13 is drawn out of the blood collection tube, when the puncture needle 13 is drawn out from the penetration nozzle 17, the puncture needle 13 is easily contacted with the penetration nozzle 17, so that the residual blood on the outer surface of the puncture needle 13 is easily contaminated at the penetration nozzle 17, and the repeated use of the needle holder 16 is influenced, therefore, a protective sleeve 18 is detachably arranged on the needle seat body 12 in a matched manner with the penetration nozzle 17, the protective sleeve 18 is sleeved on the needle seat body 12, so that the needle seat body 12 is connected with the penetration nozzle 17 through the protective sleeve 18, the length of the protective sleeve 18 is greater than the axial length of the penetration nozzle 17, the axial projection of the puncture needle 13 is positioned inside the projection of the protective sleeve 18 in the direction, specifically, a fixing table 19 is arranged on the needle seat body 12, the fixing table 19 is in interference fit with the protective sleeve 18, and the protective sleeve 18 is connected with the penetration nozzle 17 in a threaded manner, the outer wall of the protecting sleeve 18 is provided with external threads, the inner wall of the penetrating nozzle 17 is provided with internal threads, when the blood sampling needle is used practically, the protecting sleeve 18 is firstly screwed to the inside of the penetrating nozzle 17, after the blood sampling needle is installed, the end part of the protecting sleeve 18 extends out of the penetrating nozzle 17 and extends into the needle holder 16, the length of the end part is 4-6 mm, on one hand, the protection effect on the needle holder 16 can be improved, on the other hand, interference on the matching of the blood sampling tube and the puncture needle 13 is avoided, then, the puncture needle 13 penetrates into the inside of the penetrating nozzle 17, so that the fixing table 19 extends into the protecting sleeve 18 and is in interference fit with the protecting sleeve 18, after the blood sampling is completed, the blood sampling tube is drawn out, the outer wall of the puncture needle 13 is remained with blood, due to the interference fit between the fixing table 19 and the protecting sleeve 18, the thread fit between the protecting sleeve 18 and the penetrating nozzle 17, the fixing table 19 can be drawn out from the inside of the protecting sleeve 18, and in the drawing process, under the protection effect of the protective sleeve 18, blood remained on the puncture needle 13 can be prevented from being stained with the needle holder 16, then the protective sleeve 18 is screwed down and discarded, the dimension specification of the protective sleeve 18 is equivalent to that of the needle holder 16, the consumption of raw materials of discarded consumables is greatly reduced, and cost saving is facilitated.
It is specific, all set up boss 20 on pedestal 7 or needle file body 12, conveniently install vein needle cap 21 through boss 20, avoid sharp-pointed position to cause unnecessary injury to medical personnel, can also set up safe type needle cap 22 on pedestal 7 in addition, safe type needle cap 22 covers in the outside of vein needle cap 21, further increase the utility model discloses security in the use.
More specifically, the protecting sleeve 18 is provided with a flange 23, the flange 23 extends outwards and can extend out of the outer wall of the penetrating nozzle 17, the end of the penetrating nozzle 17 and the needle seat body 12 can abut against the flange 23, and the protecting sleeve 18 can be conveniently screwed and mounted and dismounted.
When a single blood collection tube is needed to collect blood, the venous puncture needle is installed on the double-cavity second catheter 4, then the puncture needle 13 at the tail end of the double-cavity second catheter 4 penetrates into the needle holder 16, so that the fixing table 19 on the needle holder body 12 is in interference fit with the protective sleeve 18 on the needle holder 16, and then the metal needle head is pricked into a vein.
When the blood backflow phenomenon occurs in the double-cavity second conduit 4, the blood collection tube is placed in the needle holder 16, the puncture needle 13 penetrates into the blood collection tube, after the blood collection is completed, the blood collection tube is taken out, then the fixing platform 19 is pulled out from the protective sleeve 18, in the process, even if residual blood exists on the puncture needle 13, under the protection effect of the protective sleeve 18, only the protective sleeve 18 can be contaminated, the needle holder 16 cannot be contaminated, and then the protective sleeve 18 is screwed down and discarded, so that the waste of raw materials is greatly reduced, when the blood collection of two blood collection tubes needs to be carried out simultaneously, the vein puncture needle is installed on the transparent visual conduit 1, the double-cavity second conduit 4 is installed on the shunt 2, so that the utility model forms a double-cavity structure that the double-cavity first conduit 3 and the double-cavity second conduit 4 can convey the blood simultaneously and side by side, the needle holders 16 are respectively arranged at the tail ends of the double-cavity first conduit 3 and the double-cavity second conduit 4, then prick the vein with the metal syringe needle, when appearing the blood reflux phenomenon in transparent visual pipe 1, put into the heparin tube respectively to two needle holders 16 to make pjncture needle 13 penetrate the heparin tube, can carry out the simultaneous blood sampling of two heparin tubes, after the blood sampling finishes, take out the heparin tube, dismantle lag 18 again and abandon can.
To sum up, the utility model discloses changed traditional straight needle blood taking needle, can not direct-view, accurate seeing back blood puncture during the puncture, lead to the operation failure easily. The utility model discloses a fixed protection syringe needle of double needle cap utilizes safe type needle cap design preventable acupuncture to hinder. The utility model discloses have on the stationary vane and paste the fixed glue of type and paste, can directly paste on skin after the puncture is successful, simple and convenient has optimized the tradition and has torn the rubberized fabric, the operation of being more convenient for. The utility model discloses two-chamber pipe blood sampling ward nurse of being convenient for is when taking a blood sample for the patient, because of patient's examination project is many, and the volume of taking a blood sample and heparin tube are when many, more labour saving and time saving. The double-cavity catheter of the utility model can be connected with a needle holder, thereby realizing double protection, preventing needle-prick injury and being more convenient. The operation is accurate and simple, saves time and labor, and is beneficial to clinical nursing work.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.
Claims (9)
1. A dual chamber blood lancet, comprising: a transparent visualization catheter, a shunt, a dual lumen first catheter, and a dual lumen second catheter;
a vein puncture needle is arranged at the end part of the transparent visual catheter;
the vein puncture needle is provided with a vein needle cap;
a safety needle cap is arranged outside the intravenous needle cap;
the transparent visual catheter is provided with a fixed wing, and the back of the fixed wing is provided with a sticker;
the double-cavity first catheter is connected with a double-cavity first catheter and a double-cavity second catheter through a shunt respectively; the double-cavity first catheter and the shunt are connected in an integrated manner, and the double-cavity first catheter is provided with a first needle seat; the double-cavity second catheter is detachably connected with the shunt and is provided with a second needle seat.
2. The dual chamber lancet of claim 1,
a puncture needle matched with the blood collection tube is arranged on the first needle base;
the needle holder is provided with a penetrating nozzle for the puncture needle to penetrate;
the penetrating nozzle is detachably connected with the first needle seat.
3. The dual chamber lancet of claim 1,
a puncture needle matched with the blood collection tube is arranged on the second needle base;
the needle holder is provided with a penetrating nozzle for the puncture needle to penetrate;
the penetrating nozzle is detachably connected with the second needle seat.
4. The dual chamber lancet according to claim 2 or 3,
the puncture needle is provided with a tail end needle head protective sleeve.
5. The dual chamber lancet of claim 4,
the vein puncture needle is provided with a first connecting part;
the transparent visual catheter is provided with a second connecting part detachably connected with the first connecting part.
6. The dual chamber lancet of claim 5,
the shunt is provided with a first connecting part;
the double-cavity second catheter is provided with a second connecting part which is detachably connected with the first connecting part.
7. The dual chamber lancet of claim 6,
the first connecting portion are provided with a first contraction section, the larger end of the first contraction section is in transitional connection with the first connecting portion, the second connecting portion is provided with a second contraction section in a matching mode with the first contraction section, and the larger end of the second contraction section is in transitional connection with the second connecting portion.
8. The dual chamber lancet of claim 7,
the first connecting portion and the second connecting portion are connected through threads, so that the first shrinkage section and the second shrinkage section are in interference fit.
9. The dual chamber lancet of claim 8,
the fixed wing includes: the left side pasting part, the middle connecting part and the right side pasting part are connected in sequence;
the back of the left side pasting part is provided with a sticker;
the middle connecting part is provided with an arc-shaped section fixedly connected with the transparent visual catheter;
and the back surface of the right side pasting part is provided with a glue paste.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220239683.6U CN217471950U (en) | 2022-01-28 | 2022-01-28 | Double-cavity blood taking needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220239683.6U CN217471950U (en) | 2022-01-28 | 2022-01-28 | Double-cavity blood taking needle |
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| Publication Number | Publication Date |
|---|---|
| CN217471950U true CN217471950U (en) | 2022-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220239683.6U Active CN217471950U (en) | 2022-01-28 | 2022-01-28 | Double-cavity blood taking needle |
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| CN (1) | CN217471950U (en) |
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- 2022-01-28 CN CN202220239683.6U patent/CN217471950U/en active Active
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