CN215023953U - Indwelling needle convenient to clean and provided with blood needle connector - Google Patents
Indwelling needle convenient to clean and provided with blood needle connector Download PDFInfo
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- CN215023953U CN215023953U CN202120091970.2U CN202120091970U CN215023953U CN 215023953 U CN215023953 U CN 215023953U CN 202120091970 U CN202120091970 U CN 202120091970U CN 215023953 U CN215023953 U CN 215023953U
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Abstract
The utility model belongs to the technical field of medical appliances, in particular to a convenient-to-clean indwelling needle with a blood needle connector, which comprises a catheter seat, wherein the left end of the catheter seat is communicated with a catheter, the catheter and the catheter seat are internally provided with a needle tube, the catheter seat is internally and fixedly provided with an isolating plug, the right end of the catheter seat is provided with a needle seat, the right end of the needle tube penetrates through the isolating plug and extends to the right side of the isolating plug and is fixedly connected with the needle seat, the bottom end of the outer side wall of the catheter seat is communicated with a connecting tube, the other end of the connecting tube is communicated with a transfusion tube, the other end of the transfusion tube is communicated with a connector, the inner part of the connector is fixedly provided with a flow blocking part, thereby blocking an arc-shaped passage opening through a flow blocking ball, achieving the purpose of blocking blood flow, avoiding the blood from flowing into a heparin cap, and the injection needle passing through the injection tube to wash the blood sampling sealing plug connector, thereby achieving the effect of flushing the blood sampling joint.
Description
Technical Field
The utility model relates to the technical field of medical appliances, concretely relates to be convenient for abluent needle of keeping somewhere that has and adopt blood needle joint.
Background
With the continuous development of the medical industry of China, the market demands for various types of indwelling needles are increasing day by day, the indwelling needle is also called as a venous trocar, the use of the indwelling needle can reduce the pain of patients caused by repeated venipuncture and the fear of the needle, the dysphoric mood of the family members of the patients is relieved, the clinical medication is convenient, the emergency medication of the critical patients is realized, the workload of nurses is relieved, the pain of the patients is reduced, and therefore the venous indwelling needle is widely applied clinically.
However, when the conventional indwelling needle is used, when blood in the blood collection connector is flushed back after blood is collected, residual blood always exists in a heparin cap of the indwelling needle, and the residual blood is difficult to clean, so that the use of the indwelling needle is influenced.
SUMMERY OF THE UTILITY MODEL
For solving the problem that provides in the above-mentioned background art, the utility model provides a needle of keeping somewhere that abluent having of being convenient for adopted blood needle to connect has and carries out the choked purpose with blood, avoids in blood inflow heparin cap, and the syringe needle through the injection syringe passes the sealing plug and connects the blood sampling to wash to reach the effect characteristics that connect the blood sampling to wash.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a be convenient for abluent needle of keeping somewhere with adopt blood needle joint, includes the pipe seat, the left end intercommunication of pipe seat has the catheter, the internally mounted of catheter and pipe seat has the needle tubing, the inside fixed mounting of pipe seat has the isolation stopper, the needle file is installed to the right-hand member of pipe seat inside, the right-hand member of needle tubing runs through the isolation stopper and extends to the right side of isolation stopper and with needle file fixed connection, the bottom intercommunication of pipe seat lateral wall has the connecting pipe, the other end intercommunication of connecting pipe has the transfer line, the other end intercommunication of transfer line has the connector, the inside fixed mounting of connector has the choked flow portion, the left side of choked flow portion is provided with the choked flow ball, the lateral wall fixed mounting that the transfer line one end was kept away from to the connector has the heparin cap, the bottom intercommunication of connector lateral wall has the blood sampling joint, the inside fixed mounting of blood sampling joint has the sealing plug, the blood sampling connects the one end of keeping away from the connector and installs the blood sampling needle handle, the left side wall fixedly connected with blood sampling syringe needle of blood sampling needle handle, the right side wall intercommunication of blood sampling needle handle has the heparin tube.
In order to avoid blood to flow into the heparin cap, as the utility model relates to a be convenient for abluent have and adopt the blood needle to connect the needle of keeping somewhere preferred, the inside of choked flow portion is provided with the arc passageway that matches with the choked flow ball.
In order to avoid the choked flow ball to block up the people's pipeline mouth that the blood sampling connects, conduct the utility model relates to a be convenient for abluent having and adopt blood needle to connect the needle of keeping somewhere is preferred, the connector is provided with the convex part with the junction that the blood sampling connects.
In order to further avoid the choked flow ball to block up the pipeline mouth of transfer line and blood sampling joint, conduct the utility model relates to a be convenient for abluent having the needle of keeping somewhere that adopts blood needle to connect is preferred, the diameter of choked flow ball is greater than the diameter that transfer line and blood sampling connect.
In order to facilitate blood sampling, as the utility model relates to a be convenient for abluent have and adopt blood needle to connect the needle of keeping somewhere is preferred, the blood sampling syringe needle runs through the sealing plug and extends to one side that the blood sampling needle handle was kept away from to the sealing plug.
In order to conveniently control the flowing condition of liquid in the infusion tube, the indwelling needle which is convenient to clean and provided with the blood needle joint is preferred, and the fixing clamp is movably sleeved on the outer side wall of the infusion tube.
Compared with the prior art, the beneficial effects of the utility model are that:
1. according to the indwelling needle with the blood needle joint convenient to clean, when blood flows into the interior of the joint through the connecting pipe and the infusion pipe, the blood pushes the flow-blocking ball to move towards the arc-shaped channel, so that the flow-blocking ball blocks the arc-shaped channel opening of the flow-blocking part, the purpose of blocking the flow of the blood is achieved, and the blood is prevented from flowing into the heparin cap;
2. according to the indwelling needle with the blood sampling joint convenient to clean, blood is choked by the choke ball and then flows into the blood sampling joint, one end of the blood sampling tube is connected with the blood sampling vacuum tube, at the moment, the blood flows into the blood sampling tube through the blood sampling needle head and then flows into the blood sampling vacuum tube, so that blood sampling is convenient, after the blood sampling is finished, the blood sampling needle handle is pulled out of the blood sampling joint, and then the blood sampling joint is flushed through the sealing plug by the injection needle of the injection tube, so that the effect of flushing the blood sampling joint is achieved;
to sum up, this kind of be convenient for abluent have and adopt blood needle to connect keep somewhere the needle, block up the arc passway through the choked flow ball to reach and carry out choked flow's purpose with blood, avoid blood to flow into the heparin cap in, pass the sealing plug through the syringe needle and wash blood sampling joint, thereby reach and connect the effect of washing blood sampling.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of an indwelling needle with a blood needle hub for easy cleaning according to the present invention;
FIG. 2 is a cross-sectional view of the connector and blood sampling connector of the present invention;
fig. 3 is a structure of the lancet handle of fig. 2 of the present invention after being disassembled.
In the figure, 1, a catheter hub; 101. a catheter; 102. a needle tube; 2. an isolation plug; 3. a needle seat; 4. a connecting pipe; 5. a transfusion tube; 6. a fixing clip; 7. a connector; 701. a flow-impeding portion; 702. a flow blocking ball; 703. a heparin cap; 8. a blood collection connector; 801. a convex portion; 802. a sealing plug; 9. a lancet handle; 901. a blood collection tube; 902. a blood sampling needle head.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and 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 thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-3, the present invention provides the following technical solutions: a remaining needle convenient to clean and provided with a blood needle connector comprises a catheter base 1, wherein the left end of the catheter base 1 is communicated with a catheter 101, a needle tube 102 is arranged inside the catheter 101 and the catheter base 1, an isolating plug 2 is fixedly arranged inside the catheter base 1, a needle seat 3 is arranged at the right end inside the catheter base 1, the right end of the needle tube 102 penetrates through the isolating plug 2 and extends to the right side of the isolating plug 2 and is fixedly connected with the needle seat 3, a connecting tube 4 is communicated with the bottom end of the outer side wall of the catheter base 1, the other end of the connecting tube 4 is communicated with a transfusion tube 5, the other end of the transfusion tube 5 is communicated with a connector 7, a flow blocking part 701 is fixedly arranged inside the connector 7, a flow blocking ball 702 is arranged on the left side of the flow blocking part 701, a heparin cap 703 is fixedly arranged on the outer side wall of the connector 7 far away from one end of the transfusion tube 5, a blood sampling connector 8 is communicated with the bottom of the outer side wall of the connector 7, a sealing plug 802 is fixedly arranged inside the blood sampling connector 8, a blood sampling needle handle 9 is arranged at one end of the blood sampling joint 8 far away from the connector 7, a blood sampling needle head 902 is fixedly connected to the left side wall of the blood sampling needle handle 9, and a blood sampling tube 901 is communicated with the right side wall of the blood sampling needle handle 9.
In this embodiment: when blood is drawn, the needle tube 102 is inserted into a blood vessel, then the needle base 3 is moved by the other hand to withdraw the needle tube 102 from the interior of the catheter base 1, at the moment, the blood flows into the interior of the catheter base 1 through the catheter 101, the isolating plug 2 blocks the flow of the blood, so that the blood flows into the interior of the connector 7 through the connecting tube 4 and the infusion tube 5, at the moment, the blood pushes the flow blocking ball 702 to move towards the arc-shaped channel, so that the flow blocking ball 702 blocks the flow blocking part 701, the purpose of blocking the blood is achieved, the blood is prevented from flowing into the heparin cap 703, then the blood is blocked by the flow blocking ball 702 and flows into the interior of the blood collection connector 8, then one end of the blood collection tube 901 is connected with the blood collection vacuum tube, at the moment, the blood flows into the interior of the blood collection tube 901 through the blood collection needle head 902 and further flows into the blood collection vacuum tube, so that the blood collection is convenient, after the blood collection is completed, the blood collection needle handle 9 is pulled out of the blood collection connector 8, then, the blood sampling joint 8 is flushed through the sealing plug 802 by the injection needle of the injection tube, so that the effect of flushing the blood sampling joint 8 is achieved.
As a technical optimization scheme of the utility model, the inside of choked flow portion 701 is provided with choked flow ball 702 assorted arc passageway.
In this embodiment: through setting up the arc passageway, when blood got into in the connector 7, blood promoted the choked flow ball 702 and removed to the arc passageway for choked flow ball 702 blocks up at the arc passageway and forms sealedly with the arc passageway, thereby reaches and carries out the purpose that chokes the flow with blood, avoids blood to flow in the heparin cap 703.
As a technical optimization scheme of the utility model, the junction of connector 7 and blood sampling joint 8 is provided with convex part 801.
In this embodiment: by arranging the convex part 801 at the joint of the connector 7 and the blood sampling connector 8, the convex part 801 blocks the flow blocking ball 702 from falling on the joint of the connector 7 and the blood sampling connector 8, and the blocking of the human duct opening of the blood sampling connector 8 by the flow blocking ball 702 is avoided.
As a technical optimization scheme of the utility model, the diameter of the flow blocking ball 702 is larger than the diameters of the infusion tube 5 and the blood sampling joint 8.
In this embodiment: by setting the diameter of the ball 702 to be larger than the diameter of the infusion tube 5 and the blood sampling joint 8, the ball 702 is further prevented from blocking the tube openings of the infusion tube 5 and the blood sampling joint 8.
As a technical optimization scheme of the present invention, the blood sampling needle 902 runs through the sealing plug 802 and extends to one side of the sealing plug 802 away from the blood sampling needle handle 9.
In this embodiment: when blood flows into the blood collection connector 8, the blood flows into the blood collection tube 901 through the blood collection needle 902, and blood collection is facilitated.
As a technical optimization scheme of the utility model, a fixing clamp 6 is movably sleeved on the outer side wall of the infusion tube 5.
In this embodiment: the flowing state of the liquid in the transfusion tube 5 is conveniently controlled by the fixing clip 6.
The utility model discloses a theory of operation and use flow: firstly, holding the catheter holder 1 to insert the needle tube 102 into the blood vessel, then moving the needle holder 3 with the other hand to withdraw the needle tube 102 from the interior of the catheter holder 1, at this time, the blood flows into the interior of the catheter holder 1 through the catheter 101, the isolating plug 2 blocks the flow of the blood, so that the blood flows into the interior of the connector 7 through the connecting tube 4 and the infusion tube 5, at this time, the blood pushes the flow blocking ball 702 to move towards the arc-shaped channel, so that the flow blocking ball 702 blocks the arc-shaped channel opening of the flow blocking portion 701, thereby achieving the purpose of blocking the flow of the blood, preventing the blood from flowing into the heparin cap 703, the blood from flowing into the interior of the blood sampling connector 8 after being blocked by the flow blocking ball 702, then connecting one end of the blood sampling tube 901 with the blood sampling vacuum tube, at this time, the blood flows into the interior of the blood sampling tube 901 through the blood sampling needle head 902, and then flows into the blood sampling vacuum tube, thereby facilitating the blood sampling, after the blood sampling is completed, the blood sampling needle handle 9 is pulled out from the blood sampling joint 8, and then the injection needle of the injection tube passes through the sealing plug 802 to flush the blood sampling joint 8, so that the effect of flushing the blood sampling joint 8 is achieved.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a needle of keeping somewhere that adopts blood needle to connect convenient to wash has, includes pipe seat (1), the left end intercommunication of pipe seat (1) has catheter (101), the internally mounted of catheter (101) and pipe seat (1) has needle tubing (102), the inside fixed mounting of pipe seat (1) has isolation stopper (2), needle file (3) are installed to the inside right-hand member of pipe seat (1), the right-hand member of needle tubing (102) runs through isolation stopper (2) and extends to the right side of isolation stopper (2) and with needle file (3) fixed connection, its characterized in that: the bottom end of the outer side wall of the catheter seat (1) is communicated with a connecting pipe (4), the other end of the connecting pipe (4) is communicated with a transfusion pipe (5), the other end of the infusion tube (5) is communicated with a connector (7), a flow choking part (701) is fixedly arranged in the connector (7), a flow-resisting ball (702) is arranged at the left side of the flow-resisting part (701), a heparin cap (703) is fixedly arranged on the outer side wall of one end of the connector (7) far away from the infusion tube (5), the bottom of the outer side wall of the connector (7) is communicated with a blood sampling connector (8), a sealing plug (802) is fixedly arranged in the blood sampling joint (8), a blood sampling needle handle (9) is arranged at one end of the blood sampling joint (8) far away from the connector (7), the left side wall of the blood sampling needle handle (9) is fixedly connected with a blood sampling needle head (902), and the right side wall of the blood sampling needle handle (9) is communicated with a blood sampling tube (901).
2. An indwelling needle with a blood needle hub for ease of cleaning as claimed in claim 1, in which: an arc-shaped channel matched with the flow blocking ball (702) is arranged in the flow blocking part (701).
3. An indwelling needle with a blood needle hub for ease of cleaning as claimed in claim 1, in which: and a convex part (801) is arranged at the joint of the connector (7) and the blood sampling connector (8).
4. An indwelling needle with a blood needle hub for ease of cleaning as claimed in claim 1, in which: the diameter of the flow blocking ball (702) is larger than the diameters of the infusion tube (5) and the blood sampling joint (8).
5. An indwelling needle with a blood needle hub for ease of cleaning as claimed in claim 1, in which: the blood taking needle head (902) penetrates through the sealing plug (802) and extends to one side of the sealing plug (802) far away from the blood taking needle handle (9).
6. An indwelling needle with a blood needle hub for ease of cleaning as claimed in claim 1, in which: the outer side wall of the infusion tube (5) is movably sleeved with a fixing clamp (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120091970.2U CN215023953U (en) | 2021-01-14 | 2021-01-14 | Indwelling needle convenient to clean and provided with blood needle connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120091970.2U CN215023953U (en) | 2021-01-14 | 2021-01-14 | Indwelling needle convenient to clean and provided with blood needle connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215023953U true CN215023953U (en) | 2021-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120091970.2U Active CN215023953U (en) | 2021-01-14 | 2021-01-14 | Indwelling needle convenient to clean and provided with blood needle connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215023953U (en) |
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2021
- 2021-01-14 CN CN202120091970.2U patent/CN215023953U/en active Active
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