CN218165746U - Continuous positive pressure remaining needle - Google Patents
Continuous positive pressure remaining needle Download PDFInfo
- Publication number
- CN218165746U CN218165746U CN202220280191.1U CN202220280191U CN218165746U CN 218165746 U CN218165746 U CN 218165746U CN 202220280191 U CN202220280191 U CN 202220280191U CN 218165746 U CN218165746 U CN 218165746U
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- infusion tube
- cap
- silica gel
- indwelling needle
- way valve
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Abstract
The utility model relates to the field of medical equipment, in particular to a continuous positive pressure indwelling needle, which comprises a protective shell, a silica gel bag, a first infusion tube, a heparin cap, a one-way valve, a first water stop clip, a second infusion tube, a flow limiting tube, a second water stop clip, a connecting cap and a magic bandage; the upper side of the silica gel bag is fixedly communicated with a first end of a first infusion tube, and a second end of the first infusion tube is fixedly connected with a heparin cap; a one-way valve is fixedly arranged in the infusion tube I, and the access of the one-way valve is from a heparin cap to a silica gel capsule; the lower side of the silica gel bag is fixedly communicated with a first end of a second infusion tube, and a section of flow limiting pipe is arranged on the path of the second infusion tube; the connecting cap is fixed on the second section of the second infusion tube and is communicated with the second infusion tube, and an inner hole of the connecting cap is provided with a threaded hole; the connecting cap is used for being in threaded connection with a connecting pipe of the end cap of the indwelling needle; the remaining needle continuously circulates normal saline, and then the effect that blood can not flow back and coagulate is realized.
Description
Technical Field
The utility model relates to the field of medical equipment, in particular to needle is kept somewhere to continuous malleation.
Background
The indwelling needle becomes a medical instrument commonly used in hospital nursing work, and has the advantages of reducing puncture times for patients, reducing puncture pain, reducing workload of medical staff and the like.
The existing indwelling needle device has one end which is punctured into the human body and the other end which is closed during indwelling; the blood of the human body can flow back into the remaining needle, and then the blood in the remaining needle can be coagulated, so that the remaining needle is blocked.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned not enough among the prior art, the utility model provides a needle is kept somewhere to continuous malleation, keeps somewhere the needle and lasts the circulation normal saline, and then realizes that backward flow, the effect of condensing can not appear in blood.
In order to achieve the purpose of the utility model, the utility model adopts the technical scheme that:
the continuous positive pressure indwelling needle comprises a protective shell, a silica gel bag, a first infusion tube, a heparin cap, a one-way valve, a first water stop clamp, a second infusion tube, a flow limiting tube, a second water stop clamp, a connecting cap and a magic bandage;
the upper side of the silica gel capsule is fixedly communicated with a first end of a first infusion tube, and a heparin cap is fixedly connected with a second end of the first infusion tube;
a one-way valve is fixedly arranged in the infusion tube I, and the access of the one-way valve is from a heparin cap to a silica gel capsule;
the lower side of the silica gel capsule is fixedly communicated with a first end of a second infusion tube, and a section of flow limiting pipe is arranged on the path of the second infusion tube;
the connecting cap is fixed on the second section of the second infusion tube and is communicated with the second infusion tube, and an inner hole of the connecting cap is provided with a threaded hole; the connecting cap is used for being in threaded connection with an end cap connecting pipe of the indwelling needle.
Further, the flow restriction tube restricts the flow rate to 2ml/h.
Further, a second water stop clamp is arranged on a pipeline of the second infusion tube and is positioned between the connecting cap and the flow limiting tube.
Furthermore, the first water stop clamp is arranged on the first infusion tube and is positioned between the silicone bag and the one-way valve.
Further, the protective shell covers the outer side of the silica gel bag, and the protective shell is fixedly connected with the second infusion tube; the protective housing is used for protecting the silica gel capsule.
Further, the periphery wall fixedly connected with magic bandage of protective housing, the magic bandage is used for tying up on human arm.
The utility model has the advantages that:
the silicone bag is respectively communicated with one ends of a first infusion tube and a second infusion tube, a heparin cap is fixedly arranged at the other end of the first infusion tube, a section of flow limiting pipe is arranged on a pipeline of the second infusion tube, and the other end of the second infusion tube is fixedly connected with a connecting cap; when the injector punctures the heparin cap and injects the normal saline into the silica gel bag through the one-way valve, the silica gel bag expands and has a tendency of contraction, the normal saline in the silica gel bag has a certain pressure, and the flow limiting pipe limits the flow of the normal saline in the infusion tube II; when keeping somewhere needle one end and inserting in the human body, but the other end is when idle, will connect the cap and be used for and keep somewhere the end cap connecting pipe threaded connection of needle for there is a small amount of normal saline to continuously flow to the human body, keep somewhere needle and continuously circulate normal saline, and then realize that backward flow, the effect of condensing can not appear in blood.
Drawings
FIG. 1 is a schematic view of the present application in combination with an indwelling needle;
reference symbol comparison table:
the medical device comprises a protective shell 10, a silicone bag 20, a first infusion tube 30, a heparin cap 40, a one-way valve 50, a first water stop clip 60, a second infusion tube 70, a flow limiting tube 80, a second water stop clip 90, a connecting cap 100 and a magic bandage 110.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
In order to make the content of the present invention more clearly understood, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the attached drawings in the embodiment of the present invention.
As shown in fig. 1, the continuous positive pressure indwelling needle comprises a protective shell 10, a silicone bag 20, a first infusion tube 30, a heparin cap 40, a one-way valve 50, a first water stop clip 60, a second infusion tube 70, a flow limiting tube 80, a second water stop clip 90, a connecting cap 100 and a magic bandage 110;
the silicone capsule 20 is used for containing physiological saline, the upper side of the silicone capsule 20 is fixedly communicated with a first end of a first infusion tube 30, and a second end of the first infusion tube 30 is fixedly connected with a heparin cap 40;
a one-way valve 50 is fixedly arranged in the infusion tube I30, and the access of the one-way valve 50 is from the heparin cap 40 to the silicone capsule 20;
the lower side of the silicone capsule 20 is fixedly communicated with a first end of a second infusion tube 70, and a section of flow limiting tube 80 is arranged on the path of the second infusion tube 70; preferably, the flow restriction tube 80 restricts the flow to 2ml/h;
the connecting cap 100 is fixed on the second section of the second infusion tube 70, the connecting cap 100 is communicated with the second infusion tube 70, and a threaded hole is formed in an inner hole of the connecting cap 100. The connection cap 100 is used for being threadedly connected with an end cap connection tube of an indwelling needle.
The principle is as follows: the silicone bag 20 is respectively communicated with one ends of a first infusion tube 30 and a second infusion tube 70, a heparin cap 40 is fixedly arranged at the other end of the first infusion tube 30, a section of flow limiting tube 80 is arranged on a pipeline of the second infusion tube 70, and the other end of the second infusion tube 70 is fixedly connected with a connecting cap 100; when the syringe puncture heparin cap 40 injects the physiological saline into the silicone capsule 20 through the one-way valve 50, the silicone capsule 20 expands tightly and has a tendency of contraction, the physiological saline in the silicone capsule 20 has a certain pressure, and the flow limiting pipe 80 limits the flow of the physiological saline in the infusion tube II 70; when keeping somewhere in needle one end inserts the human body, but the other end is when idle, will connect cap 100 be used for with keep somewhere the end cap connecting pipe threaded connection of needle for there is a small amount of normal saline to continuously flow to the human body, keep somewhere the needle and continuously circulate normal saline, and then realize that backward flow, the effect of condensing can not appear in blood.
Further, a second water stop clip 90 is disposed on the tube of the second infusion tube 70, and the second water stop clip 90 is located between the connection cap 100 and the flow-limiting tube 80. When the patient needs to be infused through the indwelling needle again, the second water stop clamp 90 can be used for enabling the second infusion tube 70 to form an open circuit; the other channel of the indwelling needle is utilized to transfuse the liquid to the human body.
Further, the first water stop clamp 60 is arranged on the first infusion tube 30, and the first water stop clamp 60 is positioned between the silicone bag 20 and the one-way valve 50; if the one-way valve 50 is damaged, the first infusion tube 30 may be closed with the first water stop clip 60.
Further, the protective shell 10 covers the outer side of the silicone capsule 20, and the protective shell 10 is fixedly connected with the second infusion tube 70; the protective shell 10 is used for protecting the silicone capsule 20.
Further, a magic strap 110 is fixedly connected to the outer circumferential wall of the protective case 10, and the magic strap 110 is used for being tied to the arm of the human body (since the indwelling needle is generally also left on the arm of the human body).
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and all modifications, equivalents, improvements and the like that are 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 continuous positive pressure indwelling needle is characterized by comprising a protective shell, a silica gel bag, a first infusion tube, a heparin cap, a one-way valve, a first water stop clip, a second infusion tube, a flow limiting tube, a second water stop clip, a connecting cap and a magic bandage;
the upper side of the silica gel bag is fixedly communicated with a first end of a first infusion tube, and a second end of the first infusion tube is fixedly connected with a heparin cap;
a one-way valve is fixedly arranged in the infusion tube I, and the access of the one-way valve is from a heparin cap to a silica gel capsule;
the lower side of the silica gel bag is fixedly communicated with a first end of a second infusion tube, and a section of flow limiting pipe is arranged on the path of the second infusion tube;
the connecting cap is fixed on the second section of the second infusion tube and is communicated with the second infusion tube, and a threaded hole is formed in the inner hole of the connecting cap; the connecting cap is used for being in threaded connection with an end cap connecting pipe of the indwelling needle.
2. The continuous positive pressure indwelling needle of claim 1,
the flow limiting pipe limits the flow to 2ml/h.
3. The continuous positive pressure indwelling needle of claim 1,
the second water stop clamp is arranged on a pipeline of the second infusion tube and is positioned between the connecting cap and the flow limiting tube.
4. The continuous positive pressure indwelling needle according to claim 1 or 3,
the first water stop clamp is arranged on the first infusion tube and located between the silica gel bag and the one-way valve.
5. The continuous positive pressure indwelling needle of claim 1,
the protective shell covers the outer side of the silica gel bag, and the protective shell is fixedly connected with the second infusion tube; the protective housing is used for protecting the silica gel capsule.
6. The sustained positive pressure indwelling needle according to claim 5,
the periphery wall fixedly connected with magic bandage of protective housing, the magic bandage is used for tying up on human arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220280191.1U CN218165746U (en) | 2022-02-11 | 2022-02-11 | Continuous positive pressure remaining needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220280191.1U CN218165746U (en) | 2022-02-11 | 2022-02-11 | Continuous positive pressure remaining needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218165746U true CN218165746U (en) | 2022-12-30 |
Family
ID=84604947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220280191.1U Active CN218165746U (en) | 2022-02-11 | 2022-02-11 | Continuous positive pressure remaining needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218165746U (en) |
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2022
- 2022-02-11 CN CN202220280191.1U patent/CN218165746U/en active Active
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