CN211155837U - Remaining needle with blood sampling function - Google Patents
Remaining needle with blood sampling function Download PDFInfo
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- CN211155837U CN211155837U CN201921215747.3U CN201921215747U CN211155837U CN 211155837 U CN211155837 U CN 211155837U CN 201921215747 U CN201921215747 U CN 201921215747U CN 211155837 U CN211155837 U CN 211155837U
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- blood
- spout
- terminal surface
- connecting seat
- indwelling needle
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Abstract
The utility model discloses an indwelling needle with blood sampling function, including indwelling needle subassembly, pipe and Y type joint, the first link of Y type joint is equipped with the infusion and connects, and the second link of Y type joint is equipped with the blood sampling subassembly, and the blood sampling subassembly includes connecting seat, roating seat and blood sampling needle, can realize the connection with Y type joint through setting up the connecting seat, through setting up the roating seat, can close the first through-hole on the connecting seat through the rotation, make blood can not flow out the blood sampling subassembly, can avoid the dribbling of blood when changing the vacuum test tube; through setting up the blood taking needle of being connected with the vacuum test tube, can directly flow to the vacuum test tube after the blood flows out, directly flow to the vacuum test tube after the blood flows out and avoid with the air contact, detection accuracy is high, stops blood sample hemolysis, the blood coagulation emergence, improves the chemical examination result rate of accuracy, reduces the risk of nursing staff's puncture wound.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, especially, relate to a keep somewhere needle with blood sampling function.
Background
The use of the indwelling needle can reduce the pain of the patient caused by repeated puncture and the fear of injection, is convenient for clinical medication, emergency treatment medication of critical patients, reduces the workload of nurses and the pain of the sick children. In the course of theranosis of patients, it is often necessary to resort to blood tests. In clinical blood collection for patients with indwelling needles, blood is usually drawn from an indwelling line by a syringe and then injected into a corresponding vacuum blood collection tube. However, the method is easy to cause hemolysis and blood coagulation of the blood sample, and the contact of the blood and the air may cause inaccurate measurement results, needle stick injuries of nursing staff and the like; if puncture the blood sampling with the blood taking needle, when the blood volume of taking a blood sample is great, need change the vacuum test tube, blood drip can appear in the change process, arouses patient and medical personnel's panic easily.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a keep somewhere needle with blood sampling function.
An indwelling needle with a blood sampling function comprises an indwelling needle assembly, a catheter and a Y-shaped connector, wherein one end of the catheter is communicated with the indwelling needle assembly, the other end of the catheter is communicated with the Y-shaped connector, a first connecting end of the Y-shaped connector is provided with an infusion connector, and a second connecting end of the Y-shaped connector is provided with a blood sampling assembly; the blood sampling subassembly include with the connecting seat that the second link is connected, the connecting seat is kept away from the one end of second link is equipped with the blood taking needle, the connecting seat is kept away from the one end of blood taking needle is equipped with first terminal surface, all be equipped with the first through-hole that a plurality of supplied blood flowed out on the first terminal surface, be equipped with the roating seat in the connecting seat, the roating seat is close to the one end of first terminal surface is equipped with the second terminal surface, the other end of roating seat is open, be equipped with on the second terminal surface with the second through-hole that first through-hole position corresponds, the outer periphery of roating seat is equipped with the column spinner, the outer periphery of connecting seat is equipped with the spout, the column spinner can slide in the spout, make the second through-hole with first.
Above technical scheme is preferred, the spout is including the first spout, second spout and the third spout that connect gradually, first spout, second spout and the equal parallel arrangement of third spout, and all with the axis of connecting seat is perpendicular, first spout is located the second spout is kept away from one side of first terminal surface, the third spout is located the second spout is close to one side of first terminal surface, first spout with distance between the third spout equals the second terminal surface with distance between the first terminal surface.
Preferably, a sealing gasket is arranged on one side, close to the first end face, of the second end face.
Above technical scheme is preferred, the outer periphery of roating seat is equipped with the screw hole, the column spinner be equipped with the external screw thread, with screw hole threaded connection.
Above technical scheme is preferred, the column spinner stretches out the spout certain distance.
Above technical scheme is preferred, the blood taking needle is equipped with the protection gum cover outward.
Above technical scheme is preferred, the protection gum cover is equipped with the safety cover outward.
The utility model has the advantages and positive effects that: the utility model provides an indwelling needle with blood sampling function, including indwelling needle subassembly, pipe and Y type joint, the first link of Y type joint is equipped with the infusion and connects, the second link of Y type joint is equipped with the blood sampling subassembly, through setting up the infusion and connecting, insert the infusion coupling in the infusion and connect and just can realize the infusion function, can realize the blood sampling function through setting up the blood sampling subassembly, has avoided puncturing once more to the patient because of taking a blood sample; the blood sampling assembly comprises a connecting seat, a rotating seat and a blood sampling needle, the connecting seat can be connected with the Y-shaped joint, the rotating seat is arranged, the first through hole in the connecting seat can be closed through rotation, blood cannot flow out of the blood sampling assembly, and the blood can be prevented from dripping and leaking when the vacuum blood sampling tube is replaced; through setting up the blood taking needle of being connected with the vacuum test tube, can directly flow to the vacuum test tube after the blood flows out, directly flow to the vacuum test tube after the blood flows out and avoid with the air contact, detection accuracy is high, stops blood sample hemolysis, the blood coagulation emergence, improves the chemical examination result rate of accuracy, reduces the risk of nursing staff's puncture wound.
Drawings
Fig. 1 is a schematic structural view of an indwelling needle having a blood sampling function according to an embodiment of the present invention;
Fig. 2 is a schematic structural view of the blood collection assembly in an open state according to an embodiment of the present invention;
Fig. 3 is a schematic structural view of the first end face and the second end face in an open state according to an embodiment of the present invention;
Fig. 4 is a schematic structural view of the blood collection assembly in a closed state according to an embodiment of the present invention;
Fig. 5 is a schematic structural diagram of the first end face and the second end face in a closed state according to an embodiment of the present invention.
Wherein: 1. an indwelling needle assembly; 2. a conduit; 3. a first connection end; 4. an infusion connector; 5. a second connection end; 6. a connecting seat; 7. a blood collection needle; 8. a first end face; 9. a first through hole; 10. a rotating base; 11. a second end face; 12. a second through hole; 13. a spin column; 14. a first chute; 15. a second chute; 16. a third chute; 17. a gasket; 18. protecting the rubber sleeve; 19. a protective cover.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The present embodiment provides an indwelling needle having a blood collecting function, which includes an indwelling needle assembly 1, a catheter 2 and a Y-connector as shown in fig. 1 to 5, wherein one end of the catheter 2 communicates with the indwelling needle assembly 1, and the other end of the catheter 2 communicates with the Y-connector. A first connecting end 3 of the Y-shaped joint is provided with an infusion joint 4, and a second connecting end 5 of the Y-shaped joint is provided with a blood sampling assembly; in this embodiment, the structures of the indwelling needle assembly 1, the catheter 2, the Y-shaped connector and the infusion connector 4 belong to the prior art, and are not described herein again; after the infusion joint 4 is sterilized, the joint on the infusion tube is inserted into the infusion joint 4, and normal infusion can be realized; when blood sampling is not needed, the second connecting end 5 can also be provided with the transfusion connector 4, when blood sampling is needed, the transfusion connector 4 of the second connecting end 5 is detached, and the blood sampling assembly is arranged at the second connecting end 5.
The blood sampling assembly comprises a connecting seat 6 connected with the second connecting end 5, and a blood sampling needle 7 is arranged at one end, far away from the second connecting end 5, of the connecting seat 6. The connecting seat 6 and the second connecting end 5 can be in plug connection or threaded connection; in this embodiment, no external thread is provided outside the second connecting end 5, the inner hole of the second connecting end 5 is tapered, the large end of the inner hole of the second connecting end 5 is far away from the indwelling needle assembly 1, so the connecting seat 6 is tapered, the large end of the connecting seat 6 is close to the blood collection needle 7, the small end is far away from the blood collection needle 7, and the connecting seat 6 and the second connecting end 5 are more tightly connected due to the tapered arrangement. One end of the connecting seat 6, which is far away from the blood taking needle 7, is provided with a first end face 8, the first end face 8 is provided with a plurality of first through holes 9 for blood to flow out, a rotating seat 10 is arranged in the connecting seat 6, one end of the rotating seat 10, which is close to the first end face 8, is provided with a second end face 11, the other end of the rotating seat 10 is open, the second end face 11 is provided with second through holes 12 corresponding to the first through holes 9, the outer circumferential face of the rotating seat 10 is provided with a rotating column 13, the outer circumferential face of the connecting seat 6 is provided with a sliding groove, and the rotating column 13 can slide in the sliding groove, so that the second.
Specifically, the spout is including the first spout 14 that connects gradually, second spout 15 and third spout 16, first spout 14, the equal parallel arrangement of second spout 15 and third spout 16, and all perpendicular with the axis of connecting seat 6, first spout 14 is located second spout 15 and is kept away from one side of first terminal surface 8, third spout 16 is located one side that second spout 15 is close to first terminal surface 8, the distance between first spout 14 and third spout 16 equals the distance between second terminal surface 11 and first terminal surface 8. When the rotary column 13 is positioned in the first sliding groove 14, the second end surface 11 is spaced from the first end surface 8 by a certain distance, the second through hole 12 corresponds to the first through hole 9, the collected blood flows to the vacuum blood collection tube through the overlapped first through hole 9 and the second through hole 12, and the blood circulation speed is high; when needing to be changed the vacuum test tube, in rotatory to third spout 16 with column spinner 13, column spinner 13 drives the second terminal surface 11 rotatory and remove towards first terminal surface 8, because the distance between first spout 14 and third spout 16 equals the distance between second terminal surface 11 and first terminal surface 8, second terminal surface 11 and the laminating of first terminal surface 8 this moment, and second through-hole 12 does not switch on with first through-hole 9, realizes closing of blood sampling subassembly, can avoid the water clock of blood. Only the rotating column 13 needs to be operated during operation, and the operation is rapid and convenient.
In order to prevent blood from flowing out from the inner wall of the connecting seat 6 and the outer wall of the rotating seat 10 and ensure that the second end surface 11 is well attached to the first end surface 8 when the blood sampling assembly is closed, a sealing gasket 17 is arranged on one side, close to the first end surface 8, of the second end surface 11. The outer periphery of roating seat 10 is equipped with the screw hole, and roating column 13 is equipped with the external screw thread, and roating column 13 and screw hole threaded connection. To facilitate the operation, the rotary column 13 extends a certain distance out of the chute.
In order to avoid the medical staff from being pricked, a protective rubber sleeve 18 is arranged outside the blood taking needle 7. A protective cover 19 is arranged outside the protective rubber sleeve 18.
The working process of the embodiment: when the patient need take a blood sample, insert the second link 5 that Y type connects with connecting seat 6 of blood sampling subassembly, column spinner 13 is located first spout 14, pull down the outer safety cover 19 of blood taking needle 7, insert in the vacuum blood sampling pipe with blood taking needle 7, under the intraductal negative pressure effect of vacuum blood sampling, blood flows to the vacuum blood sampling pipe, when needs tube replacement, slide column spinner 13 to third spout 16 in, close the blood sampling subassembly, insert new vacuum blood sampling pipe, continue to slide column spinner 13 to first spout 14 in, it can to take a blood sample.
The utility model has the advantages and positive effects that: the utility model provides an indwelling needle with blood sampling function, including indwelling needle subassembly 1, pipe 2 and Y type joint, the first link 3 of Y type joint is equipped with infusion joint 4, the second link 5 of Y type joint is equipped with the blood sampling subassembly, through setting up infusion joint 4, insert the infusion joint in infusion joint 4 and just can realize the infusion function, can realize the blood sampling function through setting up the blood sampling subassembly, has avoided because the blood sampling is to the puncture once more of patient; the blood sampling assembly comprises a connecting seat 6, a rotating seat 10 and a blood sampling needle 7, the connecting seat 6 can be connected with the Y-shaped joint, the rotating seat 10 is arranged, a first through hole 9 in the connecting seat 6 can be closed through rotation, blood cannot flow out of the blood sampling assembly, and the blood can be prevented from leaking when the vacuum blood sampling tube is replaced; through setting up blood taking needle 7 of being connected with the vacuum test tube, can directly flow to the vacuum test tube after the blood flows out, directly flow to the vacuum test tube after the blood flows out and avoid with the air contact, detection accuracy is high, stops blood sample hemolysis, the blood coagulation emergence, improves the assay result rate of accuracy, reduces the risk of nursing staff's stab wound.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (7)
1. An indwelling needle with a blood sampling function comprises an indwelling needle assembly, a catheter and a Y-shaped joint, wherein one end of the catheter is communicated with the indwelling needle assembly, and the other end of the catheter is communicated with the Y-shaped joint; the blood sampling subassembly include with the connecting seat that the second link is connected, the connecting seat is kept away from the one end of second link is equipped with the blood taking needle, the connecting seat is kept away from the one end of blood taking needle is equipped with first terminal surface, all be equipped with the first through-hole that a plurality of supplied blood flowed out on the first terminal surface, be equipped with the roating seat in the connecting seat, the roating seat is close to the one end of first terminal surface is equipped with the second terminal surface, the other end of roating seat is open, be equipped with on the second terminal surface with the second through-hole that first through-hole position corresponds, the outer periphery of roating seat is equipped with the column spinner, the outer periphery of connecting seat is equipped with the spout, the column spinner can slide in the spout, make the second through-hole with first.
2. The indwelling needle with blood collection function according to claim 1, wherein: the spout is including the first spout, second spout and the third spout that connect gradually, first spout, second spout and the equal parallel arrangement of third spout, and all with the axis of connecting seat is perpendicular, first spout is located the second spout is kept away from one side of first terminal surface, the third spout is located the second spout is close to one side of first terminal surface, first spout with distance between the third spout equals the second terminal surface with distance between the first terminal surface.
3. The indwelling needle with blood collection function according to claim 2, wherein: and a sealing gasket is arranged on one side of the second end surface, which is close to the first end surface.
4. The indwelling needle with blood collection function according to claim 3, wherein: the outer periphery of roating seat is equipped with the screw hole, the column spinner is equipped with the external screw thread, with screw hole threaded connection.
5. The indwelling needle with blood collection function according to claim 4, wherein: the rotating column extends out of the sliding groove for a certain distance.
6. The indwelling needle with blood collection function according to claim 5, wherein: and a protective rubber sleeve is arranged outside the blood taking needle.
7. The indwelling needle with blood collection function according to claim 6, wherein: and a protective cover is arranged outside the protective rubber sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921215747.3U CN211155837U (en) | 2019-07-30 | 2019-07-30 | Remaining needle with blood sampling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921215747.3U CN211155837U (en) | 2019-07-30 | 2019-07-30 | Remaining needle with blood sampling function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211155837U true CN211155837U (en) | 2020-08-04 |
Family
ID=71787971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921215747.3U Active CN211155837U (en) | 2019-07-30 | 2019-07-30 | Remaining needle with blood sampling function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211155837U (en) |
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2019
- 2019-07-30 CN CN201921215747.3U patent/CN211155837U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 510620 vascular surgery, second floor, outpatient backseat, Third Affiliated Hospital, Sun Yat sen University, 600 Tianhe Road, Tianhe District, Guangzhou City, Guangdong Province Patentee after: THE THIRD AFFILIATED HOSPITAL OF SUN YAT-SEN University Address before: 510620 No.600 gangtianhe Road, Shipai, Tianhe District, Guangzhou, Guangdong Province Patentee before: THE THIRD AFFILIATED HOSPITAL OF SUN YAT-SEN University |
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| CP02 | Change in the address of a patent holder |