CN107320813A - A kind of high pressure resistant remaining needle - Google Patents
A kind of high pressure resistant remaining needle Download PDFInfo
- Publication number
- CN107320813A CN107320813A CN201710684562.6A CN201710684562A CN107320813A CN 107320813 A CN107320813 A CN 107320813A CN 201710684562 A CN201710684562 A CN 201710684562A CN 107320813 A CN107320813 A CN 107320813A
- Authority
- CN
- China
- Prior art keywords
- remaining needle
- high pressure
- needle
- pressure resistant
- extension tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
- A61M2005/1586—Holding accessories for holding infusion needles on the body
Landscapes
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The application provides a kind of high pressure resistant remaining needle, including remaining needle catheter component, needle tubing component and infusion liquid adapter assembly, and remaining needle catheter component is connected with needle tubing component and infusion liquid adapter assembly respectively；Parenteral solution adapter assembly includes extension tube, three-way pipe and high pressure resistant helmet；One end of extension tube is connected with remaining needle catheter component, and the other end of extension tube is connected with the first end of three-way pipe；Second end of three-way pipe is provided with calparine cap；3rd end of three-way pipe is provided with sticking department；High pressure resistant helmet is connected by female Luer portion with sticking department.Extension tube is using the structure for protecting outer wall and pressure-resistant outer wall; and the thickness of pressure-resistant outer wall is more than or equal to the thickness of protection outer wall; greatly increase the compressive resistance of extension tube; and high pressure resistant helmet is connected by female Luer with threeway; the resistance to pressure of threeway is improved, the application can ensure under high-pressure injection, non-leakage, not booster; ensure the personal safety of patient, have the advantages that high pressure resistant effect is good, easy to use and safety and comfort.
Description
Technical field
The application is related to medical instruments field, more particularly to a kind of high pressure resistant remaining needle.
Background technology
Venous detaining needle is connection high pressure injector, for the medicine equipment of vein detaining needle for fluids infusion, is mainly used in and faces
Bed venipuncture, medication is carried out to sick body, nutrition is provided, while can avoid repeatedly puncturing the injury of blood vessel caused and mitigation
The pain of patient, is also beneficial to reduce the manipulation strength of nurse.
High pressure resistant remaining needle has the advantages that steel nook closing member diameter is small, outer tube is soft, wall is thin and tube chamber is big, it is ensured that
In contrast agent high flow rate, high pressure intravasation, the success rate of contrast agent injection is improved, is widely used in CT enhancings are checked,
But the structure of existing high pressure-resistant remaining needle, the pressure-resistant effect of part is good, is easily caused because pressure is excessive, makes remaining needle
Part explosion risk.
The content of the invention
This application provides a kind of high pressure resistant remaining needle, to solve the structure of existing high pressure-resistant remaining needle, part
Pressure-resistant effect is not good, is easily caused because pressure is excessive, makes the problem of part of remaining needle bursts.
The application provides a kind of high pressure resistant remaining needle, including remaining needle catheter component, needle tubing component and note infusion connector group
Part, the remaining needle catheter component is connected with the needle tubing component and infusion liquid adapter assembly respectively；
The parenteral solution adapter assembly includes extension tube, three-way pipe and high pressure resistant helmet；
The extension tube is more than or equal to protection outer wall provided with pressure-resistant outer wall and protection outer wall, the thickness of the pressure-resistant outer wall
Thickness；
One end of the extension tube is connected with the remaining needle catheter component, the other end of the extension tube and the threeway
The first end of pipe is connected；
Second end of the three-way pipe is provided with calparine cap；
3rd end of the three-way pipe is provided with sticking department；
The high pressure resistant helmet is connected by female Luer portion with the sticking department；
The sticking department is hollow tubular structure, and the outer peripheral face of the sticking department is provided with external screw thread；
The female Luer portion is provided with the internal thread being adapted with external screw thread.
Further, the remaining needle catheter component include with remaining needle fixed sheath, connect with the preset pin fixed sheath
Logical protective case, the batching pig being arranged in the remaining needle fixed cover and it is arranged in the middle part of the remaining needle fixed sheath
Y-type conduit；
The batching pig includes shell and the first cock body and the second cock body that are arranged in the shell；
First cock body and the second cock body are equipped with otch vertically；
The middle part of the shell is provided with annular protrusion；
Provided with the annular groove being adapted with annular groove in the remaining needle fixed sheath.
Further, the annular protrusion is prismatoid structure.
Further, the needle tubing component includes puncture needle,
The one end of the puncture needle away from tip is provided with Paracentesis needle holder, and the outside of the Paracentesis needle holder is provided with the pin wing,
The puncture needle is stretched into the protective case by the batching pig；
Remaining needle sleeve pipe is provided between the puncture needle and the protective case.
Further, the pin wing is conformed with.
Further, the extension tube is provided with tongs.
From above technical scheme, the application provides a kind of high pressure resistant remaining needle, and extension tube uses protection outer wall and resistance to
The structure of outer wall is pressed, and the thickness of the pressure-resistant outer wall is more than or equal to the thickness for protecting outer wall, makes the compressive resistance of extension tube
Greatly increase, and high pressure resistant helmet is connected by female Luer with three-way pipe, improves the resistance to pressure of three-way pipe, therefore, this Shen
Can please ensure under high-pressure injection, non-leakage, not booster, it is ensured that the personal safety of patient, with high pressure resistant effect it is good, using just
The advantage of prompt and safety and comfort.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the application, letter will be made to the required accompanying drawing used in embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without having to pay creative labor,
Other accompanying drawings can also be obtained according to these accompanying drawings.
A kind of structure chart for high pressure resistant remaining needle that Fig. 1 provides for the application；
Fig. 2 is Fig. 1 partial enlarged drawing；
Fig. 3 is the structure chart of Fig. 1 batching pig；
Fig. 4 is the structure chart of Fig. 1 extension tube.
Wherein, 1- protective cases, 2- remaining needle sleeve pipes, 3- puncture needles, 4- batching pigs, 41- otch, the cock bodys of 42- first, 43-
Second cock body, 44- shells, 45- annular grooves, 5- remaining needle fixed sheaths, 6- Paracentesis needle holders, the 7- pin wings, 8-Y type conduits, 9-
Tongs, 10- extension tubes, 101- protection outer walls, 102- is pressure-resistant outer wall, 11- three-way pipes, the high pressure resistant helmets of 12-, 13- calparine caps,
14- sticking departments, 15- female Luers portion.
Embodiment
Referring to Fig. 1 to Fig. 4, the application provides a kind of high pressure resistant remaining needle, including remaining needle catheter component, needle tubing component and
Infusion liquid adapter assembly, the remaining needle catheter component is connected with the needle tubing component and infusion liquid adapter assembly respectively；
The parenteral solution adapter assembly includes extension tube 10, three-way pipe 11 and high pressure resistant helmet 12；
The extension tube 10 provided with pressure-resistant outer wall 102 and protection outer wall 101, the thickness of the pressure-resistant outer wall 102 be more than or
Equal to the thickness of protection outer wall 101；
One end of the extension tube 10 is connected with the remaining needle catheter component, the other end of the extension tube 10 with it is described
The first end of three-way pipe 11 is connected；
Second end of the three-way pipe 11 is provided with calparine cap 13；
3rd end of the three-way pipe 11 is provided with sticking department 14；
The high pressure resistant helmet 12 is connected by female Luer portion 15 with the sticking department 14；
The sticking department 14 is hollow tubular structure, and the outer peripheral face of the sticking department 14 is provided with external screw thread；
The female Luer portion 15 is provided with the internal thread being adapted with external screw thread.
From above technical scheme, the application provides a kind of high pressure resistant remaining needle, and extension tube 10 is using protection outer wall 101
It is more than or equal to the thickness of protection outer wall 101 with the thickness of the structure of pressure-resistant outer wall 102, and the pressure-resistant outer wall 102, makes extension
The compressive resistance of pipe 10 is greatly increased, and high pressure resistant helmet 12 is connected by female Luer with three-way pipe 11, improves three-way pipe
11 resistance to pressure, therefore, the application can ensure under high-pressure injection, non-leakage, not booster, it is ensured that the personal safety of patient, tool
Have the advantages that high pressure resistant effect is good, easy to use and safety and comfort.
Further, the remaining needle catheter component include with remaining needle fixed sheath 5, connect with the preset pin fixed sheath
Logical protective case 1, the batching pig 4 being arranged in the remaining needle fixed cover and it is arranged in the remaining needle fixed sheath 5
The Y-type conduit 8 in portion；
The batching pig 4 includes shell 44 and the first cock body 42 and the second cock body 43 that are arranged in the shell 44；
The cock body 43 of first cock body 42 and second is equipped with otch 41 vertically；
The middle part of the shell 44 is provided with annular protrusion；
Provided with the annular groove 45 being adapted with annular groove 45 in the remaining needle fixed sheath 5.
Otch 41 can be used for puncture needle 3 to pass through batching pig 4, and batching pig 4 is made up of elastomeric material, and elastomeric material can be day
One or more mixing in right rubber, isoprene, TPU, TPE, PVC or silica gel, with stronger recovery function, are punctured
After pin 3 is exited, the natural resilience closing of otch 41, effectively anti-Hemostatic Oral Liquid flows back and liquid leakage.
Batching pig 4 is connected annular groove 45 by way of the annular protrusion clamping of remaining needle fixed sheath 5, makes isolation
Plug 4 and the connection of remaining needle fixed sheath 5 are more solid and reliable, improve resistance to pressure.
Further, the annular protrusion is prismatoid structure.
Trapezium structure can increase the contact area with annular groove 45, increase frictional force, and then improve batching pig 4 and indwelling
The stability of the connection of pin fixed sheath 5, improves resistance to pressure.
Further, the needle tubing component includes puncture needle 3,
The described one end of puncture needle 3 away from tip is provided with Paracentesis needle holder 6, and the outside of the Paracentesis needle holder 6 is provided with the pin wing 7,
The puncture needle 3 is stretched into the protective case 1 by the batching pig 4；
Remaining needle sleeve pipe 2 is provided between the puncture needle 3 and the protective case 1.
Further, the pin wing 7 is conformed with.
Projection can play anti-skidding effect, during the hand-held pin wing 7 of medical personnel, prevent the pin wing 7 from being come off from medical personnel's hand, more
Plus it is convenient and swift.
Further, the extension tube 10 is provided with tongs 9.
From above technical scheme, the application provides a kind of high pressure resistant remaining needle, and extension tube 10 is using protection outer wall 101
It is more than or equal to the thickness of protection outer wall 101 with the thickness of the structure of pressure-resistant outer wall 102, and the pressure-resistant outer wall 102, makes extension
The compressive resistance of pipe 10 is greatly increased, and high pressure resistant helmet 12 is connected by female Luer with three-way pipe 11, improves three-way pipe
11 resistance to pressure, therefore, the application can ensure under high-pressure injection, non-leakage, not booster, it is ensured that the personal safety of patient, tool
Have the advantages that high pressure resistant effect is good, easy to use and safety and comfort.
Claims (6)
1. a kind of high pressure resistant remaining needle, it is characterised in that including remaining needle catheter component, needle tubing component and note infusion connector group
Part, the remaining needle catheter component is connected with the needle tubing component and infusion liquid adapter assembly respectively；
The parenteral solution adapter assembly includes extension tube (10), three-way pipe (11) and high pressure resistant helmet (12)；
The extension tube (10) is provided with pressure-resistant outer wall (102) and protection outer wall (101), and the thickness of the pressure-resistant outer wall (102) is big
In or equal to protection outer wall (101) thickness；
One end of the extension tube (10) is connected with the remaining needle catheter component, the other end of the extension tube (10) with it is described
The first end of three-way pipe (11) is connected；
Second end of the three-way pipe (11) is provided with calparine cap (13)；
3rd end of the three-way pipe (11) is provided with sticking department (14)；
The high pressure resistant helmet (12) is connected by female Luer portion (15) with the sticking department (14)；
The sticking department (14) is hollow tubular structure, and the outer peripheral face of the sticking department (14) is provided with external screw thread；
The female Luer portion (15) is provided with the internal thread being adapted with external screw thread.
2. high pressure resistant remaining needle as claimed in claim 1, it is characterised in that the remaining needle catheter component includes and remaining needle
Fixed sheath (5), the protective case (1) connected with the preset pin fixed sheath, be arranged in the remaining needle fixed cover every
From plug (4) and the Y-type conduit (8) being arranged in the middle part of the remaining needle fixed sheath (5)；
The batching pig (4) includes shell (44) and the first cock body (42) being arranged in the shell (44) and the second cock body
(43)；
First cock body (42) and the second cock body (43) are equipped with otch (41) vertically；
The middle part of the shell (44) is provided with annular protrusion；
Provided with the annular protrusion being adapted with annular groove (45) in the remaining needle fixed sheath (5).
3. high pressure resistant remaining needle as claimed in claim 2, it is characterised in that the annular protrusion is prismatoid structure.
4. high pressure resistant remaining needle as claimed in claim 2, it is characterised in that the needle tubing component includes puncture needle (3), described
The one end of puncture needle (3) away from tip is provided with Paracentesis needle holder (6), and the outside of the Paracentesis needle holder (6) is provided with the pin wing (7),
The puncture needle (3) is stretched into the protective case (1) by the batching pig (4)；
Remaining needle sleeve pipe (2) is provided between the puncture needle (3) and the protective case (1).
5. high pressure resistant remaining needle as claimed in claim 4, it is characterised in that the pin wing (7) is conformed with.
6. high pressure resistant remaining needle as claimed in claim 1, it is characterised in that the extension tube (10) is provided with tongs (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710684562.6A CN107320813A (en) | 2017-08-11 | 2017-08-11 | A kind of high pressure resistant remaining needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710684562.6A CN107320813A (en) | 2017-08-11 | 2017-08-11 | A kind of high pressure resistant remaining needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107320813A true CN107320813A (en) | 2017-11-07 |
Family
ID=60199273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710684562.6A Pending CN107320813A (en) | 2017-08-11 | 2017-08-11 | A kind of high pressure resistant remaining needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107320813A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108992738A (en) * | 2018-08-11 | 2018-12-14 | 闫红魁 | Plug assembly and the remaining needle without glue connection is isolated |
| CN108992737A (en) * | 2018-08-11 | 2018-12-14 | 闫红魁 | Preventing thrombosis not plugging remaining needle |
| CN113144377A (en) * | 2021-04-22 | 2021-07-23 | 深圳麦普奇医疗科技有限公司 | Distal access guiding catheter |
| CN113287601A (en) * | 2021-05-20 | 2021-08-24 | 江苏康进医疗器材有限公司 | Three-dimensional multi-cavity cell bag suitable for ultra-low temperature cryopreservation |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203107853U (en) * | 2013-03-08 | 2013-08-07 | 湖南平安医械科技有限公司 | Self-lock device of infusion apparatus connecting piece |
| CN203183419U (en) * | 2013-03-08 | 2013-09-11 | 湖南平安医械科技有限公司 | Novel steel needle puncture device |
| CN204181960U (en) * | 2014-10-24 | 2015-03-04 | 北京天地和协科技有限公司 | A kind of remaining needle |
| CN205849916U (en) * | 2016-06-24 | 2017-01-04 | 河南驼人贝斯特医疗器械有限公司 | A kind of high pressure-resistant remaining needle |
-
2017
- 2017-08-11 CN CN201710684562.6A patent/CN107320813A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203107853U (en) * | 2013-03-08 | 2013-08-07 | 湖南平安医械科技有限公司 | Self-lock device of infusion apparatus connecting piece |
| CN203183419U (en) * | 2013-03-08 | 2013-09-11 | 湖南平安医械科技有限公司 | Novel steel needle puncture device |
| CN204181960U (en) * | 2014-10-24 | 2015-03-04 | 北京天地和协科技有限公司 | A kind of remaining needle |
| CN205849916U (en) * | 2016-06-24 | 2017-01-04 | 河南驼人贝斯特医疗器械有限公司 | A kind of high pressure-resistant remaining needle |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108992738A (en) * | 2018-08-11 | 2018-12-14 | 闫红魁 | Plug assembly and the remaining needle without glue connection is isolated |
| CN108992737A (en) * | 2018-08-11 | 2018-12-14 | 闫红魁 | Preventing thrombosis not plugging remaining needle |
| CN113144377A (en) * | 2021-04-22 | 2021-07-23 | 深圳麦普奇医疗科技有限公司 | Distal access guiding catheter |
| CN113287601A (en) * | 2021-05-20 | 2021-08-24 | 江苏康进医疗器材有限公司 | Three-dimensional multi-cavity cell bag suitable for ultra-low temperature cryopreservation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171107 |
|
| RJ01 | Rejection of invention patent application after publication |