CN216877445U - Anti-wall-sticking venous indwelling needle - Google Patents
Anti-wall-sticking venous indwelling needle Download PDFInfo
- Publication number
- CN216877445U CN216877445U CN202123258516.0U CN202123258516U CN216877445U CN 216877445 U CN216877445 U CN 216877445U CN 202123258516 U CN202123258516 U CN 202123258516U CN 216877445 U CN216877445 U CN 216877445U
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- Prior art keywords
- needle
- transparent tee
- tee joint
- liquid outlet
- transparent
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- 239000007788 liquid Substances 0.000 claims abstract description 47
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 230000002265 prevention Effects 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 24
- 210000003462 vein Anatomy 0.000 claims description 6
- 238000002955 isolation Methods 0.000 abstract description 12
- 238000001802 infusion Methods 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract 1
- 210000004204 blood vessel Anatomy 0.000 description 9
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 239000010836 blood and blood product Substances 0.000 description 1
- 229940125691 blood product Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000000004 hemodynamic effect Effects 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000002085 irritant Substances 0.000 description 1
- 231100000021 irritant Toxicity 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 210000004761 scalp Anatomy 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to the technical field of venous indwelling needles, and discloses a wall-sticking prevention venous indwelling needle which comprises a transparent tee joint and an indwelling needle assembly arranged on the transparent tee joint; the needle subassembly of keeping somewhere includes white isolation stopper, hold the needle handle, the steel needle, sealed piece and pipe, transparent tee bend's top sets up white isolation stopper, white isolation stopper's top installation holds the needle handle, white isolation stopper is kept away from the one end of holding the needle handle and is connected the steel needle, the steel needle is located transparent tee bend's inside, the one end that white isolation stopper was kept away from to the steel needle runs through transparent tee bend, the sealed piece of side wall mounting of steel needle, the pipe cover is established on the lateral wall of steel needle, and the pipe is connected with transparent tee bend's below, the pipe link up each other with transparent tee bend, transparent tee bend's one end is kept away from to the pipe has seted up first liquid outlet, the second liquid outlet has been seted up on the lateral wall of pipe, sealed piece is located the inside of second liquid outlet. The indwelling needle assembly prevents the catheter from being blocked and prevents the continuous infusion.
Description
Technical Field
The utility model relates to the technical field of venous indwelling needles, in particular to a wall-sticking prevention venous indwelling needle.
Background
The venous indwelling needle consists of a stainless steel core, a soft outer sleeve and a plastic needle seat. An infusion tool for puncturing a blood vessel with an outer cannula and a stylet during puncture, withdrawing the stylet after the cannula is fed into the blood vessel, and only leaving the soft outer cannula in the blood vessel for infusion. The application range of the venous indwelling needle is intermittent, continuous or daily venous transfusion treatment. The use of scalp needles should be limited to short-term or single dose administration, collection of blood samples or infusion of blood, blood products, hemodynamic monitoring, infusion of fluids at or near isotonic, normal PH range (irritant drugs: only intermittent bolus injections).
The vein indwelling needle on the existing market is technically to be further promoted, after the puncture of the clinical vein indwelling needle on the existing market, a nurse needs to use a transparent dressing to fix the indwelling needle, when the white isolating plug at the tail of the vein indwelling needle seat is fixed by using the transparent dressing, one downward pressure is given to the needle seat, according to the lever principle, the indwelling needle is bent in a blood vessel, the needle point of the needle head slightly tilts upwards, the needle point contacts with the blood vessel wall to cause the phenomenon that liquid does not drip, and in the face of the situation, the nurse needs to make the indwelling needle keep consistent with the trend of the blood vessel by replacing the fixed transparent dressing or pulling the puncture needle backwards by using a medical adhesive tape, so that discomfort can be brought to the patient, the remaining time of the vein indwelling needle is obviously shortened, the economic burden of the patient is increased, and the workload of the nurse is increased.
SUMMERY OF THE UTILITY MODEL
The utility model provides a wall-sticking prevention venous indwelling needle, which solves the problems that in the using process of the prior art, the indwelling needle is bent in a blood vessel, the needle point of a needle head slightly tilts upwards, and the needle point contacts with the blood vessel wall to cause the phenomenon that liquid does not drip.
In order to solve the problems, the utility model adopts the following technical scheme: a wall-sticking prevention venous indwelling needle comprises a transparent tee joint and an indwelling needle assembly arranged on the transparent tee joint;
the indwelling needle assembly comprises a white isolating plug, a needle holding handle, a steel needle, a sealing block and a conduit, the white isolating plug is arranged at the top of the transparent tee joint, the needle holding handle is arranged at the top of the white isolating plug, one end of the white isolating plug, which is far away from the needle holding handle, is connected with the steel needle, the steel needle is positioned in the transparent tee joint, one end of the steel needle, which is far away from the white isolating plug, penetrates through the transparent tee joint, the sealing block is arranged on the side wall of the steel needle, the guide pipe is sleeved on the side wall of the steel needle, the guide pipe is connected with the lower part of the transparent tee joint and is communicated with the transparent tee joint, the pipe is kept away from the one end of transparent tee bend has seted up first liquid outlet, seted up the second liquid outlet on the lateral wall of pipe, sealed piece is located the inside of second liquid outlet.
Preferably, an extension pipe is arranged on the side wall of the transparent tee joint, and the extension pipe is communicated with the inside of the transparent tee joint.
Preferably, the number of the sealing blocks is multiple, the sealing blocks are uniformly distributed on the side wall of the steel needle, the number of the second liquid outlets is the same as that of the sealing blocks, and the second liquid outlets are uniformly distributed on the side wall of the guide pipe.
Preferably, the size of the sealing block is matched with that of the second liquid outlet.
Preferably, the number of the first liquid outlets is two, and the two first liquid outlets are uniformly distributed on the side wall of the guide pipe.
The utility model has the advantages that the steel needle can be driven to enter the hand of a patient through the arrangement of the steel needle, the steel needle can be conveniently driven to be pulled out from the interior of the transparent tee joint through the arrangement of the white isolating plug and the needle holding handle, the patient can be transfused through the arrangement of the extension tube, continuous transfusion can be ensured even if the catheter is partially blocked through the arrangement of the first liquid outlet and the second liquid outlet, and the second liquid outlet is sealed through the arrangement of the sealing block, so that bacteria are prevented from entering the interior of the catheter.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a wall-sticking prevention venous indwelling needle according to the present invention;
FIG. 2 is a schematic view of the surface of a steel needle of the anti-wall-sticking venous indwelling needle of the present invention;
FIG. 3 is an enlarged view of the anti-wall-sticking venous indwelling needle B of the present invention;
fig. 4 is an enlarged schematic view of the position A of the anti-wall-sticking venous indwelling needle of the utility model.
The reference numbers in the figures illustrate: 1. a transparent tee joint; 2. a white isolating plug; 3. a needle holding handle; 4. a steel needle; 5. a sealing block; 6. a conduit; 601. a first liquid outlet; 602. a second liquid outlet; 7. and (4) extending the tube.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a wall-sticking prevention venous indwelling needle comprises a transparent tee joint 1 and an indwelling needle assembly arranged on the transparent tee joint 1;
the indwelling needle assembly comprises a white isolation plug 2, a needle handle 3, a steel needle 4, a sealing block 5 and a conduit 6, the top of a transparent tee joint 1 is provided with the white isolation plug 2, the needle handle 3 is held at the top of the white isolation plug 2, the white isolation plug 2 is far away from one end of the needle handle 3 and is connected with the steel needle 4, the steel needle 4 is positioned inside the transparent tee joint 1, one end of the steel needle 4, which is far away from the white isolation plug 2, penetrates through the transparent tee joint 1, the sealing block 5 is arranged on the side wall of the steel needle 4, the conduit 6 is sleeved on the side wall of the steel needle 4, the conduit 6 is connected with the lower part of the transparent tee joint 1, the conduit 6 is communicated with the transparent tee joint 1, the conduit 6 is far away from one end of the transparent tee joint 1 and is provided with a first liquid outlet 601, the side wall of the conduit 6 is provided with a second liquid outlet 602, and the sealing block 5 is positioned inside the second liquid outlet 602.
Wherein, seted up extension pipe 7 on the lateral wall of transparent tee bend 1, and extension pipe 7 link up each other with transparent tee bend 1's inside, and it is convenient for carry out the infusion in its effect.
The number of the sealing blocks 5 is multiple, the plurality of sealing blocks 5 are uniformly distributed on the side wall of the steel needle 4, the number of the second liquid outlets 602 is the same as that of the sealing blocks 5, and the plurality of second liquid outlets 602 are uniformly distributed on the side wall of the guide tube 6, so that better infusion can be facilitated.
Wherein the size of the sealing block 5 is matched with that of the second liquid outlet 602, and the sealing performance between the sealing block 5 and the conduit 6 is increased.
The number of the first liquid outlets 601 is two, and the two first liquid outlets 601 are uniformly distributed on the side wall of the conduit 6, so that when one first liquid outlet 601 is blocked, the other first liquid outlet 601 can also perform liquid infusion.
Working principle;
when the staff inserts steel needle 4 in patient's the hand, steel needle 4 drives sealed piece 5 and enters into patient's hand, staff's pulling this moment holds needle handle 3, it drives white isolation stopper 2 to hold needle handle 3, white isolation stopper 2 drives steel needle 4 and takes out from transparent tee bend 1's inside, steel needle 4 drives sealed piece 5 and breaks away from the inside of pipe 6 simultaneously moving, liquid enters into transparent tee bend 1's inside through extension pipe 7 this moment, liquid enters into the inside of pipe 6 through transparent tee bend 1, liquid enters into patient's internally along first liquid outlet 601 and second liquid outlet 602, setting through two first liquid outlets 601, even a first liquid outlet 601 and the laminating of blood vessel inner wall, liquid also can continue the input from another first liquid outlet 601, also can infuse through second liquid outlet 602.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. The wall-sticking prevention venous indwelling needle is characterized by comprising a transparent tee joint (1) and an indwelling needle assembly arranged on the transparent tee joint (1);
the indwelling needle assembly comprises a white isolating plug (2), a needle holding handle (3), a steel needle (4), a sealing block (5) and a conduit (6), wherein the white isolating plug (2) is arranged at the top of the transparent tee joint (1), the needle holding handle (3) is installed at the top of the white isolating plug (2), the white isolating plug (2) is far away from one end of the needle holding handle (3) and connected with the steel needle (4), the steel needle (4) is positioned in the transparent tee joint (1), one end of the steel needle (4) far away from the white isolating plug (2) penetrates through the transparent tee joint (1), the sealing block (5) is installed on the side wall of the steel needle (4), the conduit (6) is sleeved on the side wall of the steel needle (4), the conduit (6) is connected with the lower part of the transparent tee joint (1), and the conduit (6) is communicated with the transparent tee joint (1), a first liquid outlet (601) is formed in one end, far away from the transparent tee joint (1), of the guide pipe (6), a second liquid outlet (602) is formed in the side wall of the guide pipe (6), and the sealing block (5) is located inside the second liquid outlet (602).
2. The wall-sticking prevention venous indwelling needle of claim 1, wherein an extension tube (7) is provided on the side wall of the transparent tee joint (1), and the extension tube (7) is communicated with the inside of the transparent tee joint (1).
3. The anti-sticking vein indwelling needle of claim 1, wherein the number of the sealing blocks (5) is multiple, the sealing blocks (5) are uniformly distributed on the side wall of the steel needle (4), the number of the second liquid outlets (602) is the same as the number of the sealing blocks (5), and the second liquid outlets (602) are uniformly distributed on the side wall of the catheter (6).
4. The anti-wall sticking vein indwelling needle of claim 3, wherein the size of the sealing block (5) matches with the size of the second liquid outlet (602).
5. The anti-wall-sticking venous indwelling needle according to claim 3, wherein the number of the first liquid outlet (601) is two, and the two first liquid outlets (601) are uniformly distributed on the side wall of the catheter (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123258516.0U CN216877445U (en) | 2021-12-23 | 2021-12-23 | Anti-wall-sticking venous indwelling needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123258516.0U CN216877445U (en) | 2021-12-23 | 2021-12-23 | Anti-wall-sticking venous indwelling needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216877445U true CN216877445U (en) | 2022-07-05 |
Family
ID=82206940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123258516.0U Active CN216877445U (en) | 2021-12-23 | 2021-12-23 | Anti-wall-sticking venous indwelling needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216877445U (en) |
-
2021
- 2021-12-23 CN CN202123258516.0U patent/CN216877445U/en active Active
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