CN220275605U - Blood sampling indwelling needle - Google Patents
Blood sampling indwelling needle Download PDFInfo
- Publication number
- CN220275605U CN220275605U CN202321545987.6U CN202321545987U CN220275605U CN 220275605 U CN220275605 U CN 220275605U CN 202321545987 U CN202321545987 U CN 202321545987U CN 220275605 U CN220275605 U CN 220275605U
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- Prior art keywords
- needle
- tube
- blood sampling
- indwelling needle
- seat
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- 238000010241 blood sampling Methods 0.000 title claims abstract description 30
- 239000008280 blood Substances 0.000 claims abstract description 54
- 210000004369 blood Anatomy 0.000 claims abstract description 54
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 239000012780 transparent material Substances 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 claims 2
- 229960002897 heparin Drugs 0.000 claims 2
- 229920000669 heparin Polymers 0.000 claims 2
- 238000011010 flushing procedure Methods 0.000 abstract description 4
- 238000001802 infusion Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to the technical field of medical equipment, and in particular discloses a blood sampling indwelling needle, which comprises: the device comprises an indwelling needle component, a positive pressure connector and a blood collection component, wherein the indwelling needle component is communicated with the positive pressure connector through an extension tube, a sealing tube clamp is sleeved on the extension tube, a side tube communicated with the positive pressure connector is arranged beside the positive pressure connector, the end part of the side tube is detachably connected with an end cap, the indwelling needle component is communicated with the blood collection component through the blood collection tube, and a detachable movable end is arranged at the connection position of the blood collection tube and the indwelling needle component; according to the utility model, the needle head is inserted into a patient through the indwelling needle assembly, and then the blood sampling operation on the patient can be completed through the structure of the blood sampling assembly matched with the indwelling needle assembly, the blood sampling assembly and the indwelling needle tube are directly retracted from the indwelling needle assembly, so that the times of puncturing the patient are reduced, meanwhile, the flow of flushing the indwelling needle is omitted, the operation of medical staff is facilitated, the rescue time is greatly saved, the work load of the medical staff is reduced, and the rescue success rate is improved.
Description
Technical Field
The utility model belongs to the technical field of medical appliances, and particularly relates to a blood sampling indwelling needle.
Background
In clinic, some patients need to be infused after blood sampling, as the disposable blood taking needle is discarded after the use is completed, when the infusion is needed, medical staff can puncture the skin of the patient again, the patient can experience two or more times of punctures, the pain of the patient is increased, the use of the indwelling needle can effectively reduce the contact pin times of the patient who infuses continuously for a plurality of days, and then the pain of the patient in infusion and the damage to the body of the patient caused by repeated insertion are reduced. However, in terms of blood collection, since the indwelling needle is a dead space during non-use, the residual blood inside thereof does not participate in the circulation of the human body, resulting in a certain difference between various indexes of the residual blood in the indwelling needle and the actual indexes of the blood in the human body, and the blood of the indwelling needle cannot be directly used for blood sample collection. The existing method is to collect a blood sample after drawing about 2ml of blood remaining in the indwelling needle using a disposable syringe.
Disclosure of Invention
The utility model aims to provide a blood collection indwelling needle so as to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a blood collection indwelling needle comprising: the device comprises an indwelling needle component, a positive pressure connector and a blood collection component, wherein the indwelling needle component is communicated with the positive pressure connector through an extension tube, a sealing tube clamp is sleeved on the extension tube, a side tube communicated with the positive pressure connector is arranged beside the positive pressure connector, the end part of the side tube is detachably connected with an end cap, the indwelling needle component is communicated with the blood collection component through the blood collection tube, and a detachable movable end is arranged at the connection position of the blood collection tube and the indwelling needle component;
the indwelling needle assembly comprises a catheter seat, a needle tube sleeve and a needle seat, wherein the catheter seat is connected with the extension tube, the needle tube is arranged outside the catheter seat, the needle tube sleeve is sleeved outside the needle tube, the needle seat is arranged at the other end of the catheter seat far away from the needle tube, and a fixed end connected with the detachable movable end is arranged inside the needle seat;
the blood sampling assembly comprises a blood sampling needle, a blood sampling needle seat, a blood sampling tube and a detachable movable end head, wherein the blood sampling needle seat is arranged at one end of the blood sampling tube, which is far away from the detachable movable end head, and the blood sampling needle is arranged at one side of the blood sampling needle seat, which is far away from the blood sampling tube.
Preferably, the extension pipe is made of transparent materials, the pipe sealing clamp is made of white plastic materials, and a fixed piston is arranged in the positive pressure joint.
Preferably, the blood collection tube is made of transparent materials, the specification and the size of the detachable movable end head and the specification and the size of the fixed end are matched, and the specification and the size of the needle tube sleeve and the specification and the size of the catheter seat are matched.
Preferably, the detachable connection end cap is connected with the side pipe through threads, the specification and the size of the sealing pipe clamp are matched with those of the extension pipe, and the side edge of the conduit seat is provided with a communication pipe connected with the extension pipe.
Preferably, the blood collection tube is connected with the needle tube of the indwelling needle, and the indwelling needle can be withdrawn from the needle tube of the indwelling needle after blood collection, and infusion can be performed without a flushing tube.
Compared with the prior art, the utility model has the beneficial effects that:
when the device is used, the needle head is inserted into a patient through the indwelling needle assembly, then the blood collection operation on the patient can be completed through the structure of the blood collection assembly matched with the indwelling needle assembly, and after the blood collection is completed, the blood collection assembly and the indwelling needle tube are directly retracted from the indwelling needle assembly, so that the patient can be infused through the structure of the indwelling needle assembly, the structure of the indwelling tube, the tube sealing clamp, the side tube and the like, the times of puncturing the patient are reduced, meanwhile, the flow of flushing the indwelling needle is omitted, the operation of medical staff is facilitated, the rescue time is greatly saved, the work load of the medical staff is reduced, and the rescue success rate is improved.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a perspective view of an indwelling needle assembly according to the present utility model;
fig. 3 is a cross-sectional view of an indwelling needle assembly according to the present utility model.
In the figure: 1. an indwelling needle assembly; 11. a catheter holder; 12. a needle tube; 13. a needle cannula sleeve; 14. a needle stand; 2. a positive pressure joint; 3. a blood collection assembly; 31. a detachable movable end; 32. a blood collection tube; 33. a blood sampling needle seat; 34. a blood taking needle; 4. an extension tube; 5. sealing pipe clamp; 6. a side pipe; 7. the end cap is detachably connected.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
referring to fig. 1 to 3, a blood collection indwelling needle, comprising: the device comprises an indwelling needle assembly 1, a positive pressure connector 2 and a blood collection assembly 3, wherein the indwelling needle assembly 1 is communicated with the positive pressure connector 2 through an extension tube 4, a sealing tube clamp 5 is sleeved on the extension tube 4, a side tube 6 communicated with the positive pressure connector 2 is arranged beside the positive pressure connector, the end part of the side tube 6 is detachably connected with an end cap 7, the indwelling needle assembly 1 is communicated with the blood collection assembly 3 through a blood collection tube 32, and a detachable movable end head 31 is arranged at the connection position of the blood collection tube 32 and the indwelling needle assembly 1;
the indwelling needle assembly 1 comprises a catheter seat 11, a needle tube 12, a needle tube sleeve 13 and a needle seat 14, wherein the catheter seat 11 is connected with the extension tube 4, the needle tube 12 is arranged outside the catheter seat 11, the needle tube sleeve 13 is sleeved outside the needle tube 12, the needle seat 14 is arranged at the other end of the catheter seat 11 far away from the needle tube, and a fixed end connected with a detachable movable end head 31 is arranged inside the needle seat 14;
the blood collection assembly 3 comprises a blood collection needle 34, a blood collection needle seat 33, a blood collection tube 32 and a detachable movable end head 31, wherein the blood collection needle seat 33 is arranged at one end of the blood collection tube 32 far away from the detachable movable end head 31, and the blood collection needle 34 is arranged at one side of the blood collection needle seat 33 far away from the blood collection tube 32.
The extension tube 4 is made of transparent materials, the tube sealing clamp 5 is made of white plastic materials, and a fixed piston is arranged in the positive pressure joint 2; the blood collection tube 32 is made of transparent materials, the specification and the size of the detachable movable end head 31 are matched with those of the fixed end, and the specification and the size of the needle tube sleeve 13 are matched with those of the catheter seat 11; the detachable connection end cap 7 is connected with the side tube 6 through threads, the specification and the size of the tube sealing clamp 5 are matched with those of the extension tube 4, the side edge of the catheter seat 11 is provided with a communication tube connected with the extension tube 4, the blood taking tube is connected with the indwelling needle core, and the indwelling needle core can be used for transfusion after blood taking without a wash pipe.
From the above, the needle is inserted into the patient through the indwelling needle assembly 1, then the blood collection operation on the patient can be completed through the structure of the indwelling needle assembly 1 matched with the blood collection assembly 3, and after the blood collection is completed, the blood collection assembly 3 and the indwelling needle tube 12 are directly retracted from the indwelling needle assembly 1, so that the patient can be infused through the structure of the indwelling needle assembly 1 and the structures of the extension tube 4, the tube sealing clamp 5, the side tube 6 and the like, the times of puncturing the patient are reduced, meanwhile, the flow of flushing the indwelling needle is omitted, the operation of medical staff is facilitated, the rescue time is greatly saved, the work load of the medical staff is reduced, and the rescue success rate is improved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A blood collection indwelling needle, comprising: keep somewhere needle subassembly (1), malleation connect (2) and blood sampling subassembly (3), keep somewhere needle subassembly (1) and malleation connect (2) and be linked together through extension pipe (4), cover on extension pipe (4) is established and is sealed pipe clamp (5), the side of malleation connect (2) set up side pipe (6) rather than the intercommunication, the tip of side pipe (6) can be dismantled and connect end cap (7), keep somewhere needle subassembly (1) and blood sampling subassembly (3) and be linked together through heparin tube (32), the position that heparin tube (32) and keep somewhere needle subassembly (1) are connected is provided with can dismantle movable end (31);
the indwelling needle assembly (1) comprises a catheter seat (11), a needle tube (12), a needle tube sleeve (13) and a needle seat (14), wherein the catheter seat (11) is connected with an extension tube (4), the needle tube (12) is arranged outside the catheter seat (11), the needle tube sleeve (13) is sleeved outside the needle tube (12), the needle seat (14) is arranged at the other end, far away from the needle tube, of the catheter seat (11), and a fixed end connected with a detachable movable end (31) is arranged inside the needle seat (14);
the blood sampling assembly (3) comprises a blood sampling needle (34), a blood sampling needle seat (33), a blood sampling tube (32) and a detachable movable end head (31), wherein the blood sampling needle seat (33) is arranged at one end of the blood sampling tube (32) away from the detachable movable end head (31), and the blood sampling needle (34) is arranged at one side of the blood sampling needle seat (33) away from the blood sampling tube (32).
2. The blood collection indwelling needle according to claim 1, wherein: the extension pipe (4) is made of transparent materials, the pipe sealing clamp (5) is made of white plastic materials, and a fixed piston is arranged in the positive pressure joint (2).
3. The blood collection indwelling needle according to claim 1, wherein: the blood sampling tube (32) is made of transparent materials, the specification and the size of the detachable movable end head (31) are matched with those of the fixed end, and the specification and the size of the needle tube sleeve (13) are matched with those of the catheter seat (11).
4. The blood collection indwelling needle according to claim 1, wherein: the detachable connecting end cap (7) is connected with the side pipe (6) through threads, the specification and the size of the sealing pipe clamp (5) are matched with those of the extension pipe (4), and the side edge of the catheter seat (11) is provided with a communication pipe connected with the extension pipe (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321545987.6U CN220275605U (en) | 2023-06-16 | 2023-06-16 | Blood sampling indwelling needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321545987.6U CN220275605U (en) | 2023-06-16 | 2023-06-16 | Blood sampling indwelling needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220275605U true CN220275605U (en) | 2024-01-02 |
Family
ID=89339488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321545987.6U Active CN220275605U (en) | 2023-06-16 | 2023-06-16 | Blood sampling indwelling needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220275605U (en) |
-
2023
- 2023-06-16 CN CN202321545987.6U patent/CN220275605U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240205 Address after: 730060 No. 733 Fuli West Road and 487 Fuli East Road, Xigu District, Lanzhou City, Gansu Province Patentee after: Lanzhou Petrochemical General Hospital (Fourth Affiliated Hospital of Gansu University of Traditional Chinese Medicine) Country or region after: China Address before: Room 9, No. 1553 Shandan Street, Xigu District, Lanzhou City, Gansu Province, 730060 Patentee before: Zang Qing Country or region before: China |
|
| TR01 | Transfer of patent right |