CN103933638B - A kind of singlehanded remaining needle punctured - Google Patents
A kind of singlehanded remaining needle punctured Download PDFInfo
- Publication number
- CN103933638B CN103933638B CN201410195610.1A CN201410195610A CN103933638B CN 103933638 B CN103933638 B CN 103933638B CN 201410195610 A CN201410195610 A CN 201410195610A CN 103933638 B CN103933638 B CN 103933638B
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- CN
- China
- Prior art keywords
- needle
- singlehanded
- catheter
- punctured
- pin wing
- 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.)
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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
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/06—Body-piercing guide needles or the like
Abstract
The present invention discloses a kind of singlehanded remaining needle punctured, including indwelling needle catheter, puncture the catheter block that the pin wing that is connected with described puncture needle tubing of needle tubing is connected with described indwelling needle catheter, the extension of described catheter block side is formed with a side connector, the described pin wing is provided with the first guiding face, for guiding the described pin wing to drive described puncture needle tubing relative to described side connector displacement, pumpback from described indwelling needle catheter.The singlehanded remaining needle punctured of the present invention is capable of the whole process one-handed performance when puncturing so that more convenient to operate during puncture, quick, improves the work efficiency of medical personnel.
Description
Technical field
The present invention relates to remaining needle technical field, particularly relate to a kind of singlehanded remaining needle punctured.
Background technology
Remaining needle is a kind of medical apparatus and instruments for repeatedly carrying out infusion treatment within a period of time.Of the prior art
Remaining needle, it mainly includes indwelling needle catheter, punctures the pin wing that is connected with described puncture needle tubing of needle tubing with described
The catheter block that indwelling needle catheter connects, described puncture needle tubing penetrates institute completely from the major joint of the described catheter block other end
After stating indwelling needle catheter, the needle point of described puncture needle tubing is the most exposed outside described indwelling needle catheter, described catheter block
Extending on sidewall and be formed with a side connector, described side connector is connected with transfusion device.When medical personnel use remaining needle pair
After the blood vessel of patient punctures, puncture needle tubing is extracted from catheter block rear end and indwelling needle catheter, more soft
Conduit portion indwelling in the blood vessel of patient, continuously or discontinuously infused to patient by indwelling needle catheter.
In prior art, the piercing process of remaining needle is as follows:
First pinch the pin wing with a hands, puncture needle tubing is punctured intravasation together with indwelling needle catheter.See blood back
After, with another hands A/C seat, needle tubing pumpback about 3mm will be punctured.Then keep catheter block relative with the pin wing
Invariant position, all sends into blood vessel by indwelling needle catheter, completes whole piercing process, then, will puncture needle tubing complete
Portion extracts out, confined bed base opening, with A/C seat on skin of applying ointment or plaster and defeated from side interface connection transfusion device
Liquid.It can be seen from the above that existing remaining needle, the problem arranged due to structure, in piercing process
Need two handss of medical personnel to coordinate, operate complex, medical personnel are required higher；And before puncture,
The needle point puncturing needle tubing is exposed outside, the contact personnel easily accidentally injured, the most dangerous.
As can be seen here, how prior art is improved, it is provided that a kind of singlehanded remaining needle punctured, simplify operation
Process, improves the comfort level used, and this is that this area is presently required and solves the technical problem that.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of singlehanded remaining needle punctured, simplify operating process, carry
The high comfort level used, improves the safety of remaining needle.
For solving above technical problem, the technical scheme is that
A kind of singlehanded remaining needle punctured, including indwelling needle catheter, punctures what needle tubing was connected with described puncture needle tubing
The catheter block that the pin wing is connected with described indwelling needle catheter, the extension of described catheter block side is formed with a side connector, institute
State the pin wing and be provided with the first guiding face, be used for guiding the described pin wing to drive described puncture needle tubing relative to described side connector
Displacement, pumpback from described indwelling needle catheter.
Preferably, the described pin wing is additionally provided with the limiting component for limiting described puncture needle tubing displacement.
Preferably, described side connector is provided with the second guiding face, described second guiding face and described first guiding face pair
Should arrange.
Preferably, the displacement of described puncture needle tubing is 2～4mm.
Preferably, the displacement of described puncture needle tubing is 3mm.
Preferably, described limiting component is positioned at the described pin wing side away from described puncture needle tubing.
Preferably, described limiting component is position-limitting pin or limiting plate.
Preferably, described first guiding face and the second guiding face are arcwall face.
Preferably, described first guiding face and the second guiding face are plane.
Preferably, on the described pin wing, described first guiding face and adjacent plane angle are 120～150 degree.
Compared with prior art, a kind of singlehanded remaining needle punctured that the present invention provides, due to include indwelling needle catheter,
Puncture the catheter block that the pin wing that is connected with described puncture needle tubing of needle tubing is connected with described indwelling needle catheter, described in lead
The extension of base side is formed with a side connector, and the described pin wing is provided with the first guiding face, is used for guiding described pin wing band
Dynamic described puncture needle tubing is relative to described side connector displacement, pumpback from described indwelling needle catheter.At described remaining needle
When original state, the needle point of puncture needle is accommodated in described indwelling needle catheter, safe and reliable.During puncture, use hands
Pinch the wing plate of the pin wing, catheter block with natural agent, puncture needle tubing is penetrated skin together with indwelling needle catheter and thrusts blood
Pipe, after seeing blood back, strengthens the strength squeezing needle wing and catheter block, under the effect of the first guiding face so that pin flapwise
Rear slip, punctures needle tubing progressively pumpback, then keeps catheter block and the relative invariant position of the pin wing, led by remaining needle
Human vas all sent into by pipe.Piercing process completes, and whole process is one-handed performance.As can be seen here, the present invention
The singlehanded remaining needle punctured be capable of the whole process one-handed performance when puncturing so that more convenient to operate during puncture,
Fast；Puncture needle tubing pumpback distance more accurate, it is simple to industry is done in standardization, improve the work efficiency of medical personnel.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of embodiment of the present invention remaining needle；
Fig. 2 is the structural representation of the pin wing in Fig. 1；
Fig. 3 is the structural representation of catheter block in Fig. 1；
Fig. 4 is the original state figure of remaining needle；
Fig. 5 is the front view in Fig. 1 before retained needle puncture；
Fig. 6 is the top view in Fig. 1 before retained needle puncture；
Fig. 7 is the side view in Fig. 1 before retained needle puncture；
Fig. 8 is the front view in Fig. 1 after retained needle puncture；
Fig. 9 is the top view in Fig. 1 after retained needle puncture.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that technical scheme, below by specific embodiment
The present invention is described in further detail.
As it is shown in figure 1, the singlehanded remaining needle punctured of the present embodiment, by puncturing needle tubing 1, indwelling needle catheter 2, leading
Base 3, the pin wing 4, pipe clamp 5, extension tube 6, joint 7 form, and wherein puncture needle tubing 1 and indwelling needle catheter 2
Connecting, indwelling needle catheter 2 is connected with the top of catheter block 3, and the pin wing 4 is connected and sheathed with described puncture needle tubing 1
In the bottom of catheter block 3, one end of extension tube 6 is connected with the side of catheter block 3, and the other end is connected with joint 7.
Pipe clamp 5 is clipped in extension tube 6.
As in figure 2 it is shown, the pin wing 4 includes the wing plate 42 that bindiny mechanism 41 is connected, wing plate 42 with bindiny mechanism 41
Middle part be provided with the first guiding face 42a, edge arranges a position-limitting pin 43, the first guiding face and adjacent thereto
Plane formed by angle be 120～150 degree；Bindiny mechanism includes connecting seat 41a, being arranged on connection seat 41a
Union joint 41b, the outer circumference diameter of union joint 41b less than connect seat 41a outer circumference diameter.
As it is shown on figure 3, catheter block 3 includes major joint 31 and is connected to the side connector 32 that major joint 31 is other, side
Joint 32 is provided with the second guiding face 33.The union joint 41b of the pin wing 4 is connected with the bottom of catheter block major joint 31.
The side connector 32 of catheter block 3 is used for connecting extension tube 6.
As shown in Figure 4, the singlehanded indwelling needle of original state, the pin wing 4 and two guiding face phases of side connector 32
Contact mutually, side connector 31 contacts position-limitting pin 41.The needle tip now puncturing needle tubing 1 is accommodated in described completely
In indwelling needle catheter 2, it is not easy to accidentally injure contact personnel.
The use process of the singlehanded remaining needle punctured of the present embodiment is as follows:
The singlehanded remaining needle punctured of the present embodiment state before puncture as shown in Fig. 5, Fig. 6, Fig. 7, catheter block
The side connector 32 of 3 and the wing plate 42 of the pin wing 4 in certain angle, the bottom margin of the major joint 31 of catheter block 3
Being 0 with connection seat 41a distance L between the two of the pin wing 4, the master of the fully-inserted catheter block of union joint 41b 3 connects
The bottom of 31.During puncture, pinch the major joint 31 of the wing plate 42 of the pin wing 4, catheter block 3 with natural agent with hands
With side connector 32, puncture needle tubing 1 is penetrated skin together with indwelling needle catheter 2 and thrusts blood vessel.
After seeing blood back, strengthen the wing plate 42 of the strength squeezing needle wing 4 and side connector 32 so that the first guiding face and the
Two guiding faces contact with each other and extrude, and cause the pin wing 4 to slide backward (or catheter block 3 forward slip), union joint
41b gradually exposes, until side connector 32 contacts position-limitting pin 41.State now as shown in Figure 8 and Figure 9, is led
The bottom margin of the major joint 31 of base 3 can accurately reach default with the connection seat 41a distance between the two of the pin wing 4
Value L (may be set to 3mm), and angle α between the two is 0.
Then, keep catheter block 3 and the relative invariant position of the pin wing 4, indwelling needle catheter 2 is all sent into human body
Blood vessel.Piercing process completes, and whole process is one-handed performance.
Finally, puncture needle tubing 1 is completely drawn out, with A/C seat 3 on skin of applying ointment or plaster, and connects transfusion device.
As seen from the above description, the present embodiment can be achieved with singlehanded puncture with relatively simple structure, operates the most square
Just.
In the present embodiment, limiting component is position-limitting pin, in other embodiments, it is possible to arrange limiting plate as limit
Position parts.
Below it is only the preferred embodiment of the present invention, it is noted that it is right that above-mentioned preferred implementation is not construed as
The restriction of the present invention, protection scope of the present invention should be as the criterion with claim limited range.This technology is led
For the those of ordinary skill in territory, without departing from the spirit and scope of the present invention, it is also possible to make some improvement and profit
Decorations, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (10)
1. the singlehanded remaining needle punctured, including indwelling needle catheter, punctures needle tubing and described puncture needle
The catheter block that the pin wing that pipe connects is connected with described indwelling needle catheter, described catheter block side extends and is formed
There is a side connector, it is characterised in that the described pin wing is provided with the first guiding face, be used for guiding the described pin wing
Drive described puncture needle tubing relative to described side connector displacement, pumpback from described indwelling needle catheter；
When needs are by described puncture needle tubing pumpback from described indwelling needle catheter, described side connector is with described
First guiding face extruding rotates, and the described pin wing drives described puncture needle tubing to slide backward relative to described side connector
Dynamic.
2. the singlehanded remaining needle punctured as claimed in claim 1, it is characterised in that on the described pin wing also
It is provided with the limiting component for limiting described puncture needle tubing displacement.
3. the singlehanded remaining needle punctured as claimed in claim 1, it is characterised in that on described side connector
Being provided with the second guiding face, described second guiding face is correspondingly arranged with described first guiding face.
4. the singlehanded remaining needle punctured as claimed in claim 1, it is characterised in that described puncture needle tubing
Displacement be 2～4mm.
5. the singlehanded remaining needle punctured as claimed in claim 4, it is characterised in that described puncture needle tubing
Displacement be 3mm.
6. the singlehanded remaining needle punctured as claimed in claim 2, it is characterised in that described limiting component
It is positioned at the described pin wing side away from described puncture needle tubing.
7. the singlehanded remaining needle punctured as described in claim 2 or 6, it is characterised in that described spacing
Parts are position-limitting pin or limiting plate.
8. the singlehanded remaining needle punctured as claimed in claim 3, it is characterised in that described first guides
Face and the second guiding face are arcwall face.
9. the singlehanded remaining needle punctured as claimed in claim 3, it is characterised in that described first guides
Face and the second guiding face are plane.
10. the singlehanded remaining needle punctured as claimed in claim 1, it is characterised in that at the described pin wing
On, described first guiding face and adjacent plane angle are 120～150 degree.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410195610.1A CN103933638B (en) | 2014-05-09 | 2014-05-09 | A kind of singlehanded remaining needle punctured |
| PCT/CN2015/078541 WO2015169252A1 (en) | 2014-05-09 | 2015-05-08 | Single-hand puncture indwelling needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410195610.1A CN103933638B (en) | 2014-05-09 | 2014-05-09 | A kind of singlehanded remaining needle punctured |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103933638A CN103933638A (en) | 2014-07-23 |
| CN103933638B true CN103933638B (en) | 2016-08-31 |
Family
ID=51181679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410195610.1A Active CN103933638B (en) | 2014-05-09 | 2014-05-09 | A kind of singlehanded remaining needle punctured |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103933638B (en) |
| WO (1) | WO2015169252A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103933638B (en) * | 2014-05-09 | 2016-08-31 | 广州阳普医疗科技股份有限公司 | A kind of singlehanded remaining needle punctured |
| CN109224160B (en) * | 2018-09-27 | 2024-02-06 | 郑州大学第一附属医院 | Retention needle capable of being clamped and preventing needle stick injury for hemodialysis and use method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5498241A (en) * | 1994-12-08 | 1996-03-12 | Abbott Laboratories | Winged needle assembly with protective member |
| CN101879341A (en) * | 2010-06-24 | 2010-11-10 | 张亚平 | Safety venous indwelling needle with needleless interface positive-pressure closing valve |
| CN102716541A (en) * | 2012-03-03 | 2012-10-10 | 许春燕 | Disposable single hand insertion tube type vein detaining needle |
| CN203852671U (en) * | 2014-05-09 | 2014-10-01 | 广州阳普医疗科技股份有限公司 | Single-handed puncture indwelling needle |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2542267Y (en) * | 2002-05-10 | 2003-04-02 | 李�浩 | Needle staying in vessel |
| US8357121B2 (en) * | 2009-03-26 | 2013-01-22 | Becton, Dickinson And Company | Systems and methods for providing a safety integrated catheter with universal grip |
| JP2014068711A (en) * | 2012-09-28 | 2014-04-21 | Nipro Corp | Indwelling needle |
| CN103933638B (en) * | 2014-05-09 | 2016-08-31 | 广州阳普医疗科技股份有限公司 | A kind of singlehanded remaining needle punctured |
-
2014
- 2014-05-09 CN CN201410195610.1A patent/CN103933638B/en active Active
-
2015
- 2015-05-08 WO PCT/CN2015/078541 patent/WO2015169252A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5498241A (en) * | 1994-12-08 | 1996-03-12 | Abbott Laboratories | Winged needle assembly with protective member |
| CN101879341A (en) * | 2010-06-24 | 2010-11-10 | 张亚平 | Safety venous indwelling needle with needleless interface positive-pressure closing valve |
| CN102716541A (en) * | 2012-03-03 | 2012-10-10 | 许春燕 | Disposable single hand insertion tube type vein detaining needle |
| CN203852671U (en) * | 2014-05-09 | 2014-10-01 | 广州阳普医疗科技股份有限公司 | Single-handed puncture indwelling needle |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015169252A1 (en) | 2015-11-12 |
| CN103933638A (en) | 2014-07-23 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CP03 | Change of name, title or address |
Address after: 519031 office 2320, No. 3000, Huandao East Road, Hengqin new area, Zhuhai, Guangdong Patentee after: Yangpu Medical Technology Co.,Ltd. Address before: 510000 Kaiyuan Avenue 102, Science City, Guangzhou Economic and Technological Development Zone, Guangdong Province Patentee before: GUANGZHOU IMPROVE MEDICAL TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address |