CN211132462U - Indwelling type transfusion needle and accessory piping mechanism thereof - Google Patents
Indwelling type transfusion needle and accessory piping mechanism thereof Download PDFInfo
- Publication number
- CN211132462U CN211132462U CN201920924657.5U CN201920924657U CN211132462U CN 211132462 U CN211132462 U CN 211132462U CN 201920924657 U CN201920924657 U CN 201920924657U CN 211132462 U CN211132462 U CN 211132462U
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- CN
- China
- Prior art keywords
- needle
- indwelling
- seat
- puncture
- cap
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- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 15
- 230000014759 maintenance of location Effects 0.000 claims abstract description 10
- 238000001802 infusion Methods 0.000 claims description 15
- 239000000741 silica gel Substances 0.000 claims description 13
- 229910002027 silica gel Inorganic materials 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 239000003814 drug Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 239000011148 porous material Substances 0.000 description 3
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 description 2
- 238000004401 flow injection analysis Methods 0.000 description 2
- 229960002897 heparin Drugs 0.000 description 2
- 229920000669 heparin Polymers 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229940124645 emergency medicine Drugs 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to a retention type transfusion needle and an auxiliary piping mechanism thereof, which comprises a retention needle mechanism, an auxiliary piping mechanism and a connecting pipe, wherein the retention needle mechanism comprises a sleeve cap, a retention pipe seat, a retention pipe, a puncture needle seat and a puncture needle core; the puncture needle core is arranged in the indwelling tube seat, the front part of the puncture needle core is penetrated in the indwelling tube, the puncture needle seat is internally plugged and covered at the rear end of the indwelling tube seat, and the sleeve cap is externally sleeved and covered on the indwelling tube seat; the puncture needle seat is in a frustum shape, and a rubber ring and needle wings are arranged on the puncture needle seat; the liquid inlet joint and the needle wing guide groove are arranged on the indwelling pipe seat; the auxiliary piping mechanism comprises a Y-shaped joint, and a disinfection-free sealing cap and a positive pressure sealing cap which are respectively covered on the Y-shaped joint. The indwelling type transfusion needle and the accessory piping mechanism thereof have simple structure and convenient use, and the puncture needle head does not rotate when the needle core is drawn out; the operation is flexible and quick in midway emergency and small-amount administration; the sealing cap can be recycled and the disinfection operation is quick and convenient.
Description
Technical Field
The utility model relates to a retention type transfusion needle and an accessory piping mechanism thereof.
Background
The existing indwelling type infusion needle is easy to rotate when a guide needle core is extracted, the existing needle core is mostly an inclined plane needle core, the needle core is easy to scratch blood vessels when rotating, in addition, the existing indwelling type infusion needle can only be used for medicine feeding after being connected with a tubing and a heparin sealing cap, the medicine feeding speed is not good when emergency medicine feeding is carried out, and the heparin cap needs to be integrally disassembled and updated when puncturing at intervals, so that the existing indwelling type infusion needle is not economical, and the operation efficiency of needle replacement is influenced.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is how to overcome the above defects of the prior art, and provides a indwelling type transfusion needle and an accessory piping mechanism thereof.
In order to solve the technical problem, the indwelling type transfusion needle and the accessory piping mechanism thereof comprise an indwelling needle mechanism, an accessory piping mechanism and a connecting pipe for connecting the indwelling needle mechanism and the accessory piping mechanism, wherein the indwelling needle mechanism comprises a sleeve cap, an indwelling tube seat, an indwelling tube arranged on the indwelling tube seat, a puncture needle seat and a puncture needle core arranged on the puncture needle seat; the puncture needle core is arranged in the indwelling tube seat, the front part of the puncture needle core penetrates through the indwelling tube, the puncture needle seat is internally plugged at the rear end of the indwelling tube seat, and the sleeve cap is externally sleeved and covered on the indwelling tube seat; the puncture needle base is in a frustum shape, the front end of the puncture needle base is provided with a rubber ring for sealing a plug cover, and the lateral side of the puncture needle base is provided with a needle wing for holding a needle; the indwelling tube seat is provided with a liquid inlet joint for connecting the connecting tube and a needle wing guide groove for slidably matching the needle wing; the auxiliary piping mechanism comprises a Y-shaped joint, and a disinfection-free sealing cap and a positive pressure sealing cap which are respectively covered on the Y-shaped joint. So design, during the use, connect the infusion and hang on the exempting from disinfection sealing cap of Y type joint earlier, then open malleation joint sealing cap feed liquor exhaust, get rid of the cap, handheld needle wing advances the needle, then presses the feed liquor joint on one hand, and handheld puncture needle file draws out the puncture needle core along the needle wing guide slot.
Preferably, an inner flow channel joint is arranged inside the indwelling tube seat and comprises a frustum-shaped closing edge formed by gradually contracting the inner wall of the indwelling tube seat and a silica gel sleeve covering the closing edge, and a fine hole is formed in the center of the silica gel sleeve. So design, when needs are temporarily dosed a small amount, can directly utilize the syringe connection that does not take the syringe needle to keep somewhere the tube socket rear portion, the column nipple of syringe pushes down silica gel cover edge, can make silica gel cover deform in the ring channel that is formed between keeping somewhere tube socket inner wall and closing up edge to make silica gel cover central pore open, form the internal flow injection passageway.
Preferably, the disinfection-free sealing cap comprises a cap body and a cap body which are in threaded connection, and a disinfection liquid bag and a puncture pressure rod are arranged in the cap body.
Preferably, the center of the puncture pressure lever is provided with a needle inlet hole, and the puncture pressure lever is provided with a puncture disk inside the cap.
The cap body is internally provided with a puncture rubber pad and a guide inner edge, the design is carried out, the disinfection liquid bag is replaced before the needle is inserted each time, the cap body is screwed with the cap body, the puncture pressure rod is pushed to puncture the disinfection liquid bag, and the disinfection liquid in the liquid bag is discharged to disinfect the surface of the puncture rubber pad; the guiding inner edge guides the needle inserting direction of the external needle head to prevent the needle from colliding with the inner wall to block the liquid medicine from flowing in due to the inclination of the needle inserting.
Preferably, a telescopic return spring is arranged between the puncture pressure rod and the cap. So designed, is used for restoring after puncturing the medicine sac.
Preferably, the needle wing is provided with anti-skid convex points. The design is used for applying force to the hand and preventing slipping during needle insertion.
Preferably, the cap is provided with anti-skid lines. The design is used for applying force to the hand and preventing slipping when screwing the cap.
The utility model relates to a stay formula transfusion needle and attached piping mechanism simple structure, convenient to use thereof, it has following beneficial effect:
(1) the puncture needle head does not rotate when the needle core is drawn out;
(2) the operation is flexible and quick in midway emergency and small-amount administration;
(3) the sealing cap can be recycled and the disinfection operation is quick and convenient.
Drawings
The following will further explain the remaining transfusion needle and its accessory piping mechanism of the present invention with reference to the accompanying drawings:
FIG. 1 is a schematic plan view of the indwelling needle and its associated tubing mechanism (cap-locked state);
FIG. 2 is a schematic plan view of the indwelling needle and its accessory tubing mechanism (cap separated state);
FIG. 3 is a schematic view of the internal structure of the indwelling needle mechanism of the indwelling infusion needle and its accessory tubing mechanism;
FIG. 4 is a schematic view of the internal structure of the disinfection-free sealing cap of the indwelling type infusion needle and the accessory piping mechanism thereof.
In the figure:
1-a needle retention mechanism; 11-a sleeve cap, 12-a tube placing seat, 13-a tube placing, 14-a puncture needle seat and 15-a puncture needle core; 121-liquid inlet joint, 122-needle wing guide groove, 123-closing edge, 124-silica gel sleeve, 125-pore, 141-rubber ring, 142-needle wing and 143-anti-slip salient point;
2-an auxiliary piping mechanism; 21-Y type joint, 22-disinfection-free sealing cap and 23-positive pressure sealing cap; 221-cap, 222-cap, 223-disinfection liquid bag, 224-puncture pressure rod, 225-needle inlet hole, 226-puncture disk, 227-puncture rubber pad, 228-guide inner edge and 229-telescopic reset spring;
3-connecting pipe.
Detailed Description
As shown in fig. 1 to 4, the indwelling infusion needle and the accessory piping mechanism thereof comprise an indwelling needle mechanism 1, an accessory piping mechanism 2 and a connecting pipe 3 for connecting the indwelling needle mechanism 1 and the accessory piping mechanism 2, wherein the indwelling needle mechanism 1 comprises a cap 11, an indwelling tube seat 12, an indwelling tube 13 mounted on the indwelling tube seat 12, a puncture needle seat 14 and a puncture needle core 15 mounted on the puncture needle seat 14; the puncture needle core 15 is arranged in the indwelling tube seat 12, the front part of the puncture needle core 15 is arranged in the indwelling tube 13 in a penetrating way, the puncture needle seat 14 is internally plugged at the rear end of the indwelling tube seat 12, and the sleeve cap 11 is externally sleeved and covered on the indwelling tube seat 12; the puncture needle seat 14 is in a frustum shape, the front end of the puncture needle seat 14 is provided with a rubber ring 141 for sealing a plug cover, and the lateral side of the puncture needle seat 14 is provided with a needle wing 142 for holding a needle; the liquid inlet joint 121 for connecting the connecting pipe 3 and the needle wing guide groove 122 for slidably matching the needle wing 142 are arranged on the indwelling pipe seat 12; the auxiliary piping mechanism 2 includes a Y-joint 21, and a non-sterilization cap 22 and a positive pressure cap 23 that are respectively capped on the Y-joint 21. When the puncture needle is used, the disinfection-free sealing cap of the Y-shaped connector is connected with infusion and hung, then the positive pressure connector sealing cap is opened to feed liquid and exhaust, the sleeve cap is removed, the needle wing is held to insert the needle, then the liquid inlet connector is pressed by one hand, and the puncture needle base is held to draw out the puncture needle core along the needle wing guide groove.
The inner part of the indwelling tube seat 12 is provided with an inner flow channel joint, the inner flow channel joint comprises a frustum-shaped closing edge 123 formed by gradually contracting the inner wall of the indwelling tube seat 12 and a silica gel sleeve 124 covering the closing edge 123, and the center of the silica gel sleeve 124 is provided with a fine hole 125. When a small amount of temporary administration is needed, the injector without a needle head can be directly used for connecting the rear part of the indwelling tube seat, the columnar nipple of the injector presses the edge of the silica gel sleeve, and the silica gel sleeve can be deformed in an annular groove formed between the inner wall of the indwelling tube seat and the closing-up edge, so that the central pore 125 of the silica gel sleeve is opened to form an internal flow injection channel.
The disinfection-free sealing cap 22 comprises a cap body 221 and a cap body 222 which are connected in a threaded mode, and a disinfection liquid sac 223 and a puncture pressure rod 224 are arranged in the cap body 221.
The center of the puncturing pressure lever 224 is provided with a needle inlet hole 225, and the puncturing pressure lever 224 is provided with a puncturing disc 226 inside the cap 221.
Wherein the cap body 222 is internally provided with a puncture rubber pad 227 and a guiding inner edge 228, the disinfection liquid sac is replaced before the needle is inserted each time, the cap body and the cap body are screwed, the puncture pressure rod is pushed to puncture the disinfection liquid sac, and the disinfection liquid in the liquid sac is discharged to disinfect the surface of the puncture rubber pad; the guiding inner edge guides the needle inserting direction of the external needle head to prevent the needle from colliding with the inner wall to block the liquid medicine from flowing in due to the inclination of the needle inserting.
A telescopic return spring 229 is arranged between the puncture pressure lever 224 and the cap 221. Is used for restoring after puncturing the medicine sac.
The needle wing 142 is provided with anti-skid convex points 143. Is used for applying force to the hand and preventing slipping during needle insertion.
The cap 221 is provided with anti-slip lines. The hand-operated screw cap is used for applying force and preventing slipping when the cap is screwed.
The connecting tube 3 can be matched with various conventional flow control devices such as a sealing tube clamp, a sliding clamp or a flow controller, and the like, which are not shown in the figure.
The indwelling type transfusion needle and the accessory piping mechanism thereof have simple structure and convenient use, and the puncture needle head does not rotate when the needle core is drawn out; the operation is flexible and quick in midway emergency and small-amount administration; the sealing cap can be recycled and the disinfection operation is quick and convenient.
The above embodiments are intended to be illustrative of the manner in which the invention may be made and used by persons skilled in the art, and modifications to the above embodiments will be apparent to those skilled in the art, and it is therefore intended that the invention, including but not limited to the above embodiments, be limited to any methods, processes and products consistent with the principles and novel and inventive features disclosed herein, and which are to be interpreted as illustrative and not in a limiting sense.
Claims (8)
1. A retention type transfusion needle and an accessory piping mechanism thereof are characterized in that: comprises a retention needle mechanism (1), an auxiliary piping mechanism (2) and a connecting pipe (3) for connecting the retention needle mechanism (1) and the auxiliary piping mechanism (2),
the indwelling needle mechanism (1) comprises a sleeve cap (11), an indwelling tube seat (12), an indwelling tube (13) arranged on the indwelling tube seat (12), a puncture needle seat (14) and a puncture needle core (15) arranged on the puncture needle seat (14); the puncture needle core (15) is arranged in the indwelling tube seat (12), the front part of the puncture needle core (15) penetrates through the indwelling tube (13), the puncture needle seat (14) is internally covered at the rear end of the indwelling tube seat (12), and the sleeve cap (11) is externally sleeved and covered on the indwelling tube seat (12);
the puncture needle seat (14) is in a frustum shape, the front end of the puncture needle seat (14) is provided with a rubber ring (141) for sealing a plug cover, and the lateral side of the puncture needle seat (14) is provided with a needle wing (142) for holding a needle; the indwelling tube seat (12) is provided with a liquid inlet joint (121) for connecting the connecting tube (3) and a needle wing guide groove (122) for slidably matching the needle wing (142);
the auxiliary piping mechanism (2) comprises a Y-shaped joint (21), and a sterilization-free sealing cap (22) and a positive pressure sealing cap (23) which are respectively covered on the Y-shaped joint (21).
2. The indwelling infusion needle and accessory tubing set according to claim 1, wherein: the inner flow channel joint is arranged inside the indwelling tube seat (12), the inner flow channel joint comprises a frustum-shaped closing edge (123) formed by gradually contracting the inner wall of the indwelling tube seat (12) and a silica gel sleeve (124) covering the closing edge (123), and a fine hole (125) is formed in the center of the silica gel sleeve (124).
3. The indwelling infusion needle and accessory tubing set according to claim 2, wherein: the disinfection-free sealing cap (22) comprises a cap body (221) and a cap body (222) which are in threaded connection, and a disinfection liquid bag (223) and a puncture pressure rod (224) are arranged in the cap body (221).
4. The indwelling infusion needle and accessory tubing set according to claim 3, wherein: the center of the puncture pressure lever (224) is provided with a needle inlet hole (225), and the puncture pressure lever (224) is provided with a puncture disk (226) in the cap (221).
5. The indwelling infusion needle and accessory tubing set according to claim 4, wherein: wherein a puncture rubber pad (227) and a guide inner edge (228) are arranged in the cap body (222).
6. The indwelling infusion needle and accessory tubing set according to claim 5, wherein: a telescopic return spring (229) is arranged between the puncture pressure lever (224) and the cap (221).
7. The indwelling infusion needle and accessory tubing set according to any one of claims 1 to 6, wherein: the needle wing (142) is provided with anti-skid convex points (143).
8. The indwelling infusion needle and accessory tubing set according to any one of claims 3 to 6, wherein: the cap (221) is provided with anti-skid grains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920924657.5U CN211132462U (en) | 2019-06-19 | 2019-06-19 | Indwelling type transfusion needle and accessory piping mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920924657.5U CN211132462U (en) | 2019-06-19 | 2019-06-19 | Indwelling type transfusion needle and accessory piping mechanism thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211132462U true CN211132462U (en) | 2020-07-31 |
Family
ID=71742630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920924657.5U Expired - Fee Related CN211132462U (en) | 2019-06-19 | 2019-06-19 | Indwelling type transfusion needle and accessory piping mechanism thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211132462U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111939377A (en) * | 2020-08-21 | 2020-11-17 | 吉林大学 | Novel scalp vein indwelling needle for pediatric nerve nursing |
-
2019
- 2019-06-19 CN CN201920924657.5U patent/CN211132462U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111939377A (en) * | 2020-08-21 | 2020-11-17 | 吉林大学 | Novel scalp vein indwelling needle for pediatric nerve nursing |
| CN111939377B (en) * | 2020-08-21 | 2021-05-14 | 吉林大学 | Novel scalp vein indwelling needle for pediatric nerve nursing |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200731 |