CN210844671U - Remaining needle convenient for blood sampling and transfusion - Google Patents
Remaining needle convenient for blood sampling and transfusion Download PDFInfo
- Publication number
- CN210844671U CN210844671U CN201920913721.XU CN201920913721U CN210844671U CN 210844671 U CN210844671 U CN 210844671U CN 201920913721 U CN201920913721 U CN 201920913721U CN 210844671 U CN210844671 U CN 210844671U
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- needle
- tube
- blood
- infusion
- converter
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Abstract
The utility model discloses a keep somewhere needle convenient to blood sampling and infusion, including keeping somewhere needle main part, transfer line, converter, blood sampling part, pjncture needle, its characterized in that: the indwelling needle body comprises a needle tube and a needle seat, the needle seat is a cylindrical pipeline and is fixedly connected with the end part of the needle tube, the blood sampling part comprises a blood drawing tube and a blood drawing connector, the blood drawing tube and the blood drawing connector are fixedly connected, the blood drawing tube is inserted into the needle tube from the upper end of the needle seat, the blood drawing connector is clamped at the upper end of the needle seat, and a sealing cap is arranged on the blood drawing connector through threads; the infusion tube is fixedly connected to the side wall of the needle seat, the other end of the infusion tube is connected with the converter through threads, the converter is a plastic pipeline, one end of the converter is an infusion connector and can be spliced with an infusion apparatus, and the utility model avoids that the indwelling needle is pulled out when the infusion apparatus is connected with the indwelling needle main body, so that the indwelling needle falls off; use the utility model discloses during the hemospasia, reduce and avoided more liquid medicine to get into blood even to blood purity and chemical examination degree of accuracy have been improved.
Description
Technical Field
The utility model relates to the technical field of medical transfusion tools, in particular to a remaining needle convenient for blood sampling and transfusion.
Background
The use of the indwelling needle can reduce the pain of the patient caused by repeated venipuncture and the fear of injection, reduce the anxiety of parents, facilitate clinical medication and emergency treatment of critical patients, reduce the workload of nurses and reduce the pain of patients, so that the venous indwelling needle is widely applied clinically.
In order to reduce the times of venipuncture and save time, a plurality of patients need to draw blood, and a scheme of taking blood by using an indwelling needle is thought by many people, the use instruction of the indwelling needle introduces that the blood can be drawn by using the indwelling needle for testing, but in the actual clinical operation, the blood can be drawn by using the indwelling needle rarely, because if the blood is drawn by using the indwelling needle, the liquid remained in the indwelling needle is firstly drawn by using a syringe, and a part of the blood is also drawn and discarded, so that the purity of the blood in the indwelling needle and the testing accuracy can be ensured, the syringe after the liquid is drawn is discarded, a new syringe is inserted into a transfusion interface of the indwelling needle to draw the required amount of blood, and the syringe is taken down from the indwelling needle and placed for standby;
after the operation, when taking a blood sample, need at first draw some blood and abandon, caused the waste of blood, complex operation, and ordinary transfusion system during the infusion with keep somewhere the needle joint and peg graft, when pulling out the transfusion system, can drag carelessly and keep somewhere the needle and lead to taking place to drop, influence patient's safety.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model discloses a needle keeps somewhere convenient to blood sampling and infusion, the utility model discloses the blood volume of abandoning when can reduce the blood sampling reduces the waste of blood, when extracting the transfusion system, can avoid keeping somewhere the needle and receive the dragging, prevents to keep somewhere the needle and takes place to drop.
In order to achieve the technical purpose, the above technical effects are achieved, and the utility model discloses a realize through following technical scheme:
the utility model provides a keep somewhere needle convenient to blood sampling and infusion, is including keeping somewhere needle main part, transfer line, converter, blood sampling part, pjncture needle, its characterized in that:
the indwelling needle body comprises a needle tube and a needle seat, the needle seat is a cylindrical pipeline and is fixedly connected with the end part of the needle tube, the blood sampling part comprises a blood drawing tube and a blood drawing connector, the blood drawing tube and the blood drawing connector are fixedly connected, the blood drawing tube is inserted into the needle tube from the upper end of the needle seat, the blood drawing connector is clamped at the upper end of the needle seat, and a sealing cap is arranged on the blood drawing connector through threads;
the infusion tube is fixedly connected to the side wall of the needle seat, the other end of the infusion tube is connected with a converter through threads, the converter is a plastic pipeline, one end of the converter is an infusion joint and can be spliced with an infusion device, a sealing wafer is fixedly arranged on the outer wall of the other end of the converter, a fixed joint is further sleeved on the converter, the fixed joint is of a hollow structure, one end of the fixed joint is open, the sealing wafer is positioned in the fixed joint, and internal threads are arranged in the fixed joint and are installed at; the puncture needle is sleeved in the indwelling needle main body.
Furthermore, the diameter of the blood drawing tube is one third of the diameter of the needle tube.
Furthermore, the material of the blood drawing tube and the needle tube is PVC plastic.
The utility model has the advantages that: when the infusion device is used for infusion, the infusion device is directly inserted into the converter, the converter is taken down from the infusion tube by rotating the fixed joint after the infusion is finished, and then the infusion device is pulled out, so that the phenomenon that the remaining needle is pulled out when the infusion device is connected with the remaining needle main body is avoided, and the remaining needle falls off; use the utility model discloses during the bloodletting, directly link the syringe on the connector of drawing blood, because draw the blood vessel and be located the needle tubing, directly draw blood from lieing more preceding position in the needle during the bloodletting, reduced blood and passed through the position of liquid medicine flow to reduce and avoided more liquid medicine even to get into in the blood, thereby improved blood purity and chemical examination degree of accuracy.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the structure of the puncture needle.
Fig. 3 is a schematic diagram of the structure of the converter.
In the drawings, the names of the components represented by the respective reference numerals are listed as follows:
1-an indwelling needle body, 2-a needle tube, 3-a needle seat, 4-an infusion tube, 5-a converter, 6-a blood sampling part, 7-a sealing cap, 8-a blood sampling joint, 9-a blood sampling tube, 10-a puncture needle, 11-a fixed joint, 12-a sealing disc and 13-an infusion joint.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, an indwelling needle convenient for blood collection and infusion comprises an indwelling needle body 1, an infusion tube 4, a converter 5, a blood collection part 6 and a puncture needle 10, and is characterized in that:
the indwelling needle main body 1 comprises a needle tube 2 and a needle seat 3, the needle seat 3 is a cylindrical pipeline and is fixedly connected with the end part of the needle tube 2, the blood sampling part 6 comprises a blood sampling tube 9 and a blood sampling joint 8, the blood sampling tube 9 is fixedly connected with the blood sampling joint 8, the blood sampling tube 9 is inserted into the needle tube 2 from the upper end of the needle seat 3, the blood sampling joint 8 is clamped at the upper end of the needle seat 3, and a sealing cap 7 is arranged on the blood sampling joint 8 through threads;
the infusion tube 4 is fixedly connected to the side wall of the needle seat 3, the other end of the infusion tube 4 is connected with a converter 5 through threads, the converter 5 is a plastic pipeline, one end of the converter 5 is an infusion joint 13 and can be spliced with an infusion apparatus, a sealing wafer 12 is fixedly arranged on the outer wall of the other end of the converter 5, a fixed joint 11 is further sleeved on the converter 5, the fixed joint 11 is of a hollow structure, one end of the fixed joint is open, the sealing wafer 12 is located in the fixed joint 11, and internal threads are arranged in the fixed joint 11 and are installed; the puncture needle 10 is sleeved in the remaining needle main body 1.
Furthermore, the diameter of the blood drawing tube 9 is one third of the diameter of the needle tube 2.
Furthermore, the blood drawing tube 9 and the needle tube 2 are made of pvc plastic.
The specific embodiment of the utility model is that: when in use, firstly the puncture needle 10 is sleeved in the indwelling needle body 1, then the vein of a patient is punctured, the puncture needle 10 and the needle tube 2 of the indwelling needle body 1 are punctured into the vein of the patient together, then the puncture needle 10 is pulled out, the needle tube 2 is left in the blood vessel, the blood sampling part 6 is inserted in the indwelling needle body 1, the blood sampling tube 9 is sleeved in the needle tube 2, the end part of the blood sampling tube 9 is positioned at the front end in the needle tube 2, the blood sampling joint 8 is clamped at the upper end of the needle seat 3 to seal the upper end of the needle seat 3, when in blood sampling, the blood sampling injector is inserted on the blood sampling joint 8, because the front end of the blood sampling tube 9 is positioned at the front end in the needle tube 2 and is closer to the blood in the blood vessel, the sampled blood is directly extracted from the blood vessel, the blood can not pass through the position of the liquid medicine in the indwelling needle body 1, therefore, the, the waste of blood is reduced, and after the blood is drawn, the sealing cap 7 is covered on the blood drawing joint 8 to prevent the indwelling needle from being polluted.
During the infusion, at first need pass through the screw thread with converter 5 and install on transfer line 4, rotate fixed joint 11, converter 5 front end inserts in transfer line 4, sealed disk 12 is pressed at transfer line 4 tip, the pressure through fixed joint 11 makes sealed disk 12 closely laminate with transfer line 4 tip, prevent the weeping, peg graft 5 tip of converter again with the transfusion system and infuse, the liquid medicine gets into the blood vessel through keeping somewhere the needle, when taking off the transfusion system, at first unscrew fixed joint 11 from transfer line 4, pull out the transfusion system again, then install converter 5 on transfer line 4 again, can prevent to pull when pulling out the transfusion system again and keep somewhere the needle, lead to keeping somewhere the needle and drop.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching.
Claims (3)
1. The utility model provides a keep somewhere needle convenient to blood sampling and infusion, is including keeping somewhere needle main part, transfer line, converter, blood sampling part, pjncture needle, its characterized in that:
the indwelling needle body comprises a needle tube and a needle seat, the needle seat is a cylindrical pipeline and is fixedly connected with the end part of the needle tube, the blood sampling part comprises a blood drawing tube and a blood drawing connector, the blood drawing tube and the blood drawing connector are fixedly connected, the blood drawing tube is inserted into the needle tube from the upper end of the needle seat, the blood drawing connector is clamped at the upper end of the needle seat, and a sealing cap is arranged on the blood drawing connector through threads;
the infusion tube is fixedly connected to the side wall of the needle seat, the other end of the infusion tube is connected with a converter through threads, the converter is a plastic pipeline, one end of the converter is an infusion joint and can be spliced with an infusion device, a sealing wafer is fixedly arranged on the outer wall of the other end of the converter, a fixed joint is further sleeved on the converter, the fixed joint is of a hollow structure, one end of the fixed joint is open, the sealing wafer is positioned in the fixed joint, and internal threads are arranged in the fixed joint and are installed at; the puncture needle is sleeved in the indwelling needle main body.
2. An indwelling needle for facilitating blood collection and infusion as claimed in claim 1, wherein: the diameter of the blood drawing tube is one third of the diameter of the needle tube.
3. An indwelling needle for facilitating blood collection and infusion as claimed in claim 1, wherein: the material of the blood drawing tube and the needle tube is PVC plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920913721.XU CN210844671U (en) | 2019-06-18 | 2019-06-18 | Remaining needle convenient for blood sampling and transfusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920913721.XU CN210844671U (en) | 2019-06-18 | 2019-06-18 | Remaining needle convenient for blood sampling and transfusion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210844671U true CN210844671U (en) | 2020-06-26 |
Family
ID=71297757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920913721.XU Expired - Fee Related CN210844671U (en) | 2019-06-18 | 2019-06-18 | Remaining needle convenient for blood sampling and transfusion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210844671U (en) |
-
2019
- 2019-06-18 CN CN201920913721.XU patent/CN210844671U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200626 Termination date: 20210618 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |