CN217645627U - Improved venous indwelling needle - Google Patents
Improved venous indwelling needle Download PDFInfo
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- CN217645627U CN217645627U CN202220109423.7U CN202220109423U CN217645627U CN 217645627 U CN217645627 U CN 217645627U CN 202220109423 U CN202220109423 U CN 202220109423U CN 217645627 U CN217645627 U CN 217645627U
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- needle
- tube
- indwelling needle
- sliding
- indwelling
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Abstract
The utility model discloses a needle is kept somewhere to improved generation vein, include: the supporting seat is a supporting part which is convenient for fixing the position of a puncture needle, and a sliding pipe is fixedly arranged above the supporting seat; the pushing barrel is fixedly arranged at the upper end of the supporting seat, and the pushing barrel is fixedly arranged on the left side of the sliding pipe; the indwelling needle tube is arranged on the inner side of the sliding tube, and the indwelling needle tube is connected with the sliding tube in a sliding manner; the needle file, it sets up keep somewhere the inboard of needle tubing, the needle file with keep somewhere the connected mode between the needle tubing and connect for the joint, this improved generation vein is kept somewhere the needle, can make things convenient for medical personnel to carry out one-hand operation, carries out the work of inserting the needle and implanting to make things convenient for medical personnel to hold up the patient on one hand and remain stable, thereby reduce the patient because of the misery that the failure of inserting the needle leads to repeatedly, this improved generation vein is kept somewhere the needle, adopts the stability support from the area, keeps at the best injection angle, need not to hand, thereby realizes one-hand work of inserting the needle.
Description
Technical Field
The utility model relates to the technical field of medical treatment and health, in particular to an improved venous indwelling needle.
Background
The venous indwelling needle is a needle head left in a human venous blood vessel during infusion, and the existence of the indwelling needle can help patients needing short-term or long-term infusion to avoid the pain of daily needle insertion, so the indwelling needle is compared with other departments. The indwelling needle is used in emergency departments requiring long-term infusion or is mostly used in pediatrics, but the existing indwelling needle still has some defects;
when the indwelling needle is used for children, the indwelling needle is always required to be kept stable when venipuncture is carried out, normal operation of inserting the indwelling needle can be guaranteed, a nurse is required to use one hand to control the arm of a patient, the needle insertion can only be carried out by using the other hand, and the existing indwelling needle cannot be operated by one hand, so that some problems are caused.
Therefore, an improved venous indwelling needle needs to be designed aiming at the problems, and is used for replacing the existing indwelling needle to realize one-hand operation and perform needle insertion implantation on the indwelling needle.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a needle is kept somewhere to improved generation vein to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an improved venous retention needle comprising:
the supporting seat is a supporting part convenient for fixing the position of the puncture needle, and a sliding pipe is fixedly arranged above the supporting seat;
the pushing barrel is fixedly arranged at the upper end of the supporting seat, and the pushing barrel is fixedly arranged on the left side of the sliding pipe;
the indwelling needle tube is arranged on the inner side of the sliding tube, and the indwelling needle tube is connected with the sliding tube in a sliding way;
the puncture needle base is arranged on the inner side of the indwelling needle tube, and the puncture needle base is connected with the indwelling needle tube in a clamping manner.
Preferably, the slide pipe further comprises:
and the sliding block is connected to the outer side of the sliding pipe in a sliding mode.
Preferably, the indwelling needle tube further comprises:
the extension tube is fixedly communicated with the upper end of the indwelling needle tube;
a soft needle connected to the rear side of the indwelling needle tube;
the clamping points are fixedly arranged on the left side and the right side of the indwelling needle tube, extend to the outer side of the sliding tube and are arranged behind the sliding block.
Preferably, the pushing barrel further comprises:
the push rod is connected to the inner side of the push barrel in a sliding mode, extends to the rear of the push barrel and is fixedly connected to the left side of the sliding block;
and the push handle is fixedly arranged at the upper end of the push rod and extends to the upper part of the push barrel.
Preferably, the lancet holder further comprises:
the steel needle is fixedly connected to the rear side of the needle seat, is arranged on the inner side of the soft needle and extends to the rear of the soft needle;
an end cap disposed on a left side of the positive pressure valve.
Preferably, the extension tube further comprises:
a positive pressure valve fixedly connected to a front end of the extension pipe;
an end cap disposed on a left side of the positive pressure valve.
Compared with the prior art, the beneficial effects of the utility model are that: the improved venous indwelling needle can be conveniently operated by a medical worker with one hand to carry out the operation of inserting the needle, so that the medical worker can conveniently hold a patient with one hand to keep stable, the pain of the patient caused by repeated needle inserting failure is reduced, the improved venous indwelling needle adopts a self-contained stable bracket to keep the optimal injection angle without holding the needle, and the operation of inserting the needle with one hand is realized;
1. the supporting seat is utilized to perform one-hand needle insertion to complete the implantation of the remaining needle, the biggest difficulty is how to keep the needle inserting position stable and ensure that a needle head is inserted into a blood vessel, usually one hand is used for stabilizing, and the other hand is used for completing the needle inserting action, so that the implantation of the remaining needle is realized, and the stability of a target arm cannot be kept by one-hand operation, so that the supporting seat is adopted, the supporting seat can be fixed after the vein position of the arm is determined, a certain viscosity exists between the supporting seat and the skin, so that the supporting seat cannot be easily moved, and the needle insertion can be completed only by completing the needle pushing action subsequently;
2. through pushing away the bucket, the inside that pushes away the bucket is provided with the push rod, the needle needs medical personnel to keep the stability of injection arm usually, then stabilize the vein position and carry out the operation of pricking, and to some children, there may be the action of anti-needle implantation, consequently, need a hand to stabilize the pacify to it, but the work of location and push away the needle is hardly accomplished to a hand, consequently, adopt and push away the bucket, can be under the condition of contactless needle itself, accomplish the needle action, thereby avoid deviating because of the position that rocks and produce, influence the needle effect.
Drawings
Fig. 1 is a schematic isometric view of the present invention;
FIG. 2 is a schematic top sectional view of the present invention;
fig. 3 is an enlarged schematic view of fig. 2A of the present invention.
In the figure: 1. a supporting base; 2. a slide pipe; 3. pushing the barrel; 4. an indwelling needle tube; 5. a barbed needle seat; 6. a needle holding handle; 7. an extension tube; 8. a positive pressure valve; 9. an end cap; 10. a push handle; 11. a push rod; 12. a slider; 13. sticking points; 14. a steel needle; 15. and (4) soft needles.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-3, an improved venous indwelling needle comprises: the supporting seat 1 is a supporting part which is convenient for fixing the position of the puncture needle, and a sliding tube 2 is fixedly arranged above the supporting seat 1; the pushing barrel 3 is fixedly arranged at the upper end of the supporting seat 1, and the pushing barrel 3 is fixedly arranged at the left side of the sliding pipe 2; an indwelling needle tube 4 which is provided inside the slide tube 2, and the indwelling needle tube 4 is connected to the slide tube 2 in a sliding manner; the puncture needle seat 5 is arranged on the inner side of the indwelling needle tube 4, and the puncture needle seat 5 is connected with the indwelling needle tube 4 in a clamping way. The slide 2 further includes: and a slider 12 slidably connected to the outside of the slide pipe 2. The indwelling needle tube 4 further comprises: an extension tube 7 fixedly communicated with the upper end of the indwelling needle tube 4; a soft needle 15 connected to the rear side of the indwelling needle tube 4; the indwelling needle comprises a clamping point 13, which is fixedly arranged at the left side and the right side of an indwelling needle tube 4, the clamping point 13 extends to the outer side of a sliding tube 2, the clamping point 13 is arranged at the rear part of a sliding block 12, the indwelling needle is inserted by one hand by using a supporting seat 1, the implantation of the indwelling needle is completed, the greatest difficulty is how to keep the position of the indwelling needle stable, the needle is ensured to be inserted into a blood vessel, usually, one hand is stable, and the other hand is used for completing the insertion action, so that the implantation of the indwelling needle is realized, and the stability of a target arm cannot be maintained by one-hand operation, therefore, the supporting seat 1 is adopted, after the venous position of the arm is determined, the supporting seat 1 can be fixed at the position, a certain viscosity exists between the supporting seat 1 and the skin, so that the supporting seat can not be easily moved, and the insertion can be completed only by subsequently pushing the needle.
As shown in fig. 1-3, an improved venous indwelling needle, the push barrel 3 further comprises: the push rod 11 is connected to the inner side of the push barrel 3 in a sliding mode, the push rod 11 extends to the rear of the push barrel 3, and the push rod 11 is fixedly connected to the left side of the sliding block 12; a push handle 10 fixedly arranged at the upper end of the push rod 11, the push handle 10 extending to the upper part of the push barrel 3. The bayonet seat 5 also includes: the steel needle 14 is fixedly connected to the rear side of the needle seat 5, and the steel needle 14 is arranged on the inner side of the soft needle 15 and extends to the rear side of the soft needle 15; and an end cap 9 provided on the left side of the positive pressure valve 8. The extension tube 7 further comprises: a positive pressure valve 8 fixedly connected to the front end of the extension pipe 7; end cap 9, it sets up the left side at positive pressure valve 8, through pushing away bucket 3, it is provided with push rod 11 to push away the inside of bucket 3, generally the needle needs medical personnel to keep the stability of injection arm, then stabilize the vein position and carry out the operation of pricking, and for some children, there may be the action of anti-needle implantation, consequently need a hand to stabilize the pacify it, but the work of location and push away the needle is hardly accomplished to a hand, consequently adopt and push away bucket 3, can be under the condition of not contacting needle itself, accomplish the needle action, thereby avoid deviating because of the position that rocks and produce, influence the needle effect.
In summary, before the indwelling needle is used, firstly, the injection position of a patient needs to be located, after the position is determined, the supporting seat 1 is adhered to the corresponding skin position, the sliding tube 2 is opposite to the vein position, the push barrel 3 is operated by one hand, the push rod 11 is pushed forward by pushing the push handle 10, the push rod 11 pushes the sliding block 12 forward, the indwelling needle is divided into two parts, one is an external indwelling needle tube 4, the other is an auxiliary puncture needle seat 5, the indwelling needle tube 4 is a soft needle 15, the interior of the indwelling needle tube is inserted through the steel needle 14 of the puncture needle seat 5, the indwelling needle tube 4 and the puncture needle seat 5 are pushed out along the sliding tube 2 due to the clamping point 13, the soft needle 15 and the steel needle 14 are inserted into the blood vessel together, then, the needle holding handle 6 of the puncture needle seat 5 is held, the stability of the indwelling needle is kept, the supporting seat 1 is completely removed, the indwelling needle tube 4 and the puncture needle seat 5 are left, then the needle handle 6 is held, the steel needle 14 is removed, the implantation of the indwelling needle is completed, the positive pressure valve 9 of the extension tube 7 is opened, and the extension valve 9 is opened. The infusion tube is connected, and then the infusion can be started.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An improved venous indwelling needle, comprising:
the needle inserting device comprises a supporting seat (1), a sliding pipe (2) is fixedly arranged above the supporting seat (1) so as to be convenient for a supporting part for fixing a needle inserting position;
the pushing barrel (3) is fixedly arranged at the upper end of the supporting seat (1), and the pushing barrel (3) is fixedly arranged at the left side of the sliding pipe (2);
an indwelling needle tube (4) which is arranged inside the sliding tube (2), wherein the indwelling needle tube (4) is connected with the sliding tube (2) in a sliding manner;
the puncture needle seat (5) is arranged on the inner side of the indwelling needle tube (4), and the puncture needle seat (5) is connected with the indwelling needle tube (4) in a clamping manner.
2. An improved venous indwelling needle as claimed in claim 1, wherein the slider (2) further comprises:
and the sliding block (12) is connected to the outer side of the sliding pipe (2) in a sliding manner.
3. An improved venous indwelling needle according to claim 2, wherein the indwelling needle tube (4) further comprises:
an extension tube (7) which is fixedly communicated with the upper end of the indwelling needle tube (4);
a soft needle (15) connected to the rear side of the indwelling needle tube (4);
the clamping points (13) are fixedly arranged on the left side and the right side of the indwelling needle tube (4), the clamping points (13) extend to the outer side of the sliding tube (2), and the clamping points (13) are arranged behind the sliding block (12).
4. An improved venous indwelling needle as claimed in claim 3, wherein the push barrel (3) further comprises:
the push rod (11) is connected to the inner side of the push barrel (3) in a sliding mode, the push rod (11) extends to the rear of the push barrel (3), and the push rod (11) is fixedly connected to the left side of the sliding block (12);
the push handle (10) is fixedly arranged at the upper end of the push rod (11), and the push handle (10) extends to the upper part of the push barrel (3).
5. An improved venous indwelling needle according to claim 4, wherein the needle hub (5) further comprises:
the needle (14) is fixedly connected to the rear side of the needle seat (5), and the needle (14) is arranged on the inner side of the soft needle (15) and extends to the rear of the soft needle (15).
6. An improved venous indwelling needle as claimed in claim 5, wherein the elongate tube (7) further comprises:
a positive pressure valve (8) fixedly connected to the front end of the extension pipe (7);
an end cap (9) provided on the left side of the positive pressure valve (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220109423.7U CN217645627U (en) | 2022-01-17 | 2022-01-17 | Improved venous indwelling needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220109423.7U CN217645627U (en) | 2022-01-17 | 2022-01-17 | Improved venous indwelling needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217645627U true CN217645627U (en) | 2022-10-25 |
Family
ID=83659556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220109423.7U Active CN217645627U (en) | 2022-01-17 | 2022-01-17 | Improved venous indwelling needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217645627U (en) |
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2022
- 2022-01-17 CN CN202220109423.7U patent/CN217645627U/en active Active
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