CN1911463A - Safety venous transfusion needle - Google Patents
Safety venous transfusion needle Download PDFInfo
- Publication number
- CN1911463A CN1911463A CN 200510090117 CN200510090117A CN1911463A CN 1911463 A CN1911463 A CN 1911463A CN 200510090117 CN200510090117 CN 200510090117 CN 200510090117 A CN200510090117 A CN 200510090117A CN 1911463 A CN1911463 A CN 1911463A
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- China
- Prior art keywords
- fixture block
- needle
- intravenous infusion
- infusion needle
- safe intravenous
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
A high-safety venous perfusion needle has a fastening block and a fastening slot. The used needle can be pulled in the hollow tube by a single hand of user, preventing the medical person from being damaged by it.
Description
Technical field
The invention relates to a kind of safe intravenous infusion needle, more particularly, is the safety design that prevents to suffer needlestick injury about a kind of.
Background technology
The medical personnel of medical treatment institutes often utilize venous transfusion to bestow behaviors such as injection, blood drawing and placement conduit at sufferer; with the injection nutrient is example; the protection pin lid of venoclysis needle front end takes off in the occupation mode system of these type of medical supplies; make the bevel needle of syringe needle enter vein in patient's skin corium; and the butterfly alar part is attached on patient's the skin, to carry out injections such as glucose, serum albumin.
For medical personnel, its danger via injection needle and blood infection route infection has been people Lai Degao than usual, it is busy tired to be worked again, the factor affecting such as luminance shortage of the carelessness and the environment of working at night, heightened by the probability of needlestick injury, according to studies show that all kinds of personnel suffer the pinprick incidence rate the highest with the nursing staff, annual everyone pinprick number of times 2.42 times, wherein the contaminative pinprick is 0.88 time, secondly it is 0.62 time for doctor's pinprick number of times, contaminative pinprick 0.38 time, be huge inspection and the medical expense of avoiding pinprick to be taken place, and medical personnel are provided safer working environment, the design of safe injection needle is very urgent.
As use existing venoclysis needle shown in Figure 1, to be injected finishing when extracting syringe needle 11 out must turn back to syringe needle in the tiny pin lid 10 of former internal diameter carefully, causes the danger of being stabbed in the process easily.Medical personnel need bimanualness in this process in addition, fixedly butterfly alar part 12 or body 13 of hands for example, and the another hands is nested with pin lid 10 syringe needle 11 places that suffer humoral pollution again, and is comparatively not convenient in the use.
Summary of the invention
Therefore, purpose of the present invention is the solution prior art problems.
One of the present invention purpose is to provide a kind of safe intravenous infusion needle, to make used syringe needle be hidden in quickly and effectively in the hollow tube of venoclysis needle, made proper arrangements syringe needle and make it and to skid off once again, to guarantee the subsequent treatment safety of venoclysis needle.
Another object of the present invention ties up to the simple and easy How It Works that a kind of safe intravenous infusion needle is provided, and medical personnel can use one hand syringe needle can be hidden in the hollow tube of venoclysis needle, and then can save must be with the inconvenience of both hands.
In order to reach above-mentioned purpose, safe intravenous infusion needle of the present invention is to comprise a hollow tube, and its tube wall one side has a hollow out groove, and this hollow out groove place is provided with a breach and at least one buckle slot; One needle unit is arranged in the hollow tube, and main body is a fixed seat, and front end is provided with a hollow needle, lateral projections one fixture block, and this fixture block is positioned at the indentation, there of hollow out groove usually; And a tube for transfusion, it is terminal to be incorporated into aforementioned fixed seat; Needle unit is being used after pull backward and integral body can be hidden in the hollow tube.
For clear detailed process and the technology contents of understanding the present invention, the inventor will cooperate following accompanying drawing and detailed explanation, in the hope of knowing the spiritual place of understanding the present invention:
Description of drawings
Fig. 1 is the schematic perspective view of existing venoclysis needle.
Fig. 2 is the axonometric chart of safe intravenous infusion needle of the present invention.
Fig. 3 is the three-dimensional decomposition texture sketch map of safe intravenous infusion needle of the present invention.
Fig. 4 is the preceding schematic top plan view of the use of safe intravenous infusion needle of the present invention, and the part of tube for transfusion is not drawn among the figure.
Fig. 5 is the use sketch map of safe intravenous infusion needle embodiment of the present invention.
Fig. 6 is the schematic top plan view that folds one of safe intravenous infusion needle of the present invention embodiment, and the part of tube for transfusion is not drawn among the figure.
Fig. 7 is the front view of the another kind of embodiment of safe intravenous infusion needle of the present invention.
Among the figure
10 pin lids, 11 syringe needles
12 butterfly alar parts, 13 bodies
2 hollow tubes
21 hollow out grooves, 210 openings
211 breach, 212 buckle slots
22 butterfly alar parts
3 needle unit
31 syringe needles, 32 fixed seats
33 fixture blocks, 331 moving plates
4 tube for transfusions, 41 connector units
The specific embodiment
Fig. 2 and 3 is for the three-dimensional decomposition texture sketch map of safe intravenous infusion needle of the present invention.The present invention's safe intravenous infusion needle mainly comprises a hollow tube 2, a needle unit 3 and a tube for transfusion 4.Its main purpose is in order to make used syringe needle 31 can be hidden in the hollow tube 2 of safe intravenous infusion needle.Can be provided with a separable pin lid 10 in addition, protection syringe needle 31 before not using.
These hollow tube 2 inner spaces are to be used to hold needle unit 3, and make it can do moving of single direction, so the section configuration of its through hole is the external form that is cooperating needle unit 3, are the rectangle hole in the present embodiment, also can be round or other irregular pass.And a side has a hollow out groove 21 on its tube wall, front end is opening 210 shapes, the rear end is a closed, make tube wall have suitable elasticity and allow the distortion of slight elastic dilatation, so that needle unit 3 is inserted and move, be provided with a breach 211 in hollow out groove 21 anterior position, the rear position is provided with at least one buckle slot 212, and the groove width in stage casing is all less than breach 211 and buckle slot 212.Be provided with the butterfly alar part 22 that stretches out in hollow tube 2 front end both sides in addition, can attach during use and be fixed in the human epidermal place, its thinner thickness can be bent use.
This needle stand unit 3 comprises a syringe needle 31, one fixed seat 32 and one fixture block 33.This syringe needle 31 is planted and is fastened at this end of fixed 32, end extends a perforation channel (not shown) thus, can form the space that communicates continuously with hollow pinhead 31, the external form of fixed seat 32 is the section configurations that correspond to hollow tube, and its side is provided with the fixture block 33 of a projection, be to protrude on the hollow out groove 21 during assembling, pull this fixture block 33 and whole needle unit 3 is moved with convenient finger.This fixture block 33 is to be blocked in the breach 211 of hollow out groove 21 usually, only when syringe needle must be withdrawn, just by clip in buckle slot 212, therefore the shape of breach 211 and buckle slot 212 is corresponding to the external form of fixture block 33, but shape must be not fully and its external form striking resemblances, just these breach 211 shapes must not have there being big external force and pull that to stop that down fixture block 33 produces mobile, and buckle slot 212 shapes then have the effect that prevents that fixture block 33 from being pulled forward once more.The rear side of this fixture block 33 can be an inclined-plane (also can be arc surface) in addition, but front side Wide degree must be greater than back side width, the resistance that the less hollow out groove 21 of width is caused when moving to overcome fixture block 33.
This tube for transfusion 4 is a hollow tube, one end is socketed on the end of needle unit 3, this cohesive process is promptly finished in product export, be inseparable during use, the channel that blood flows out or medicament injects during as blood drawing, the one end is provided with connector unit 41 in addition, accepts body, conduit or the container of output/input body fluid, blood and various injections in order to cooperation.
Fig. 4 uses preceding schematic top plan view for safe intravenous infusion needle of the present invention, and this moment, the protruding fixture block 33 of fixed seat 32 was positioned in the front end breach 211 of hollow out groove 21.Schematic perspective view when Fig. 5 uses for safe intravenous infusion needle of the present invention, when syringe needle 31 desires are inserted the human body place, user system pinches the both sides butterfly wing of butterfly alar part 22 with finger, make it upwards to overlap and perpendicular to hollow tube 2, at this moment, this hollow tube 2 is inside clamping needle head unit 3 also, and then makes needle unit 3 that bigger clamping force be arranged, and prevents to insert the situation of shrinking back in the process of skin at pin.
Behind to be used the finishing, user can see through the singlehanded fixture block 33 of pulling needle unit 3, utilize the inclined-plane, rear end of fixture block 33 and make hollow out groove 21 front end tube walls slightly to the both sides dilatating and deformable, make fixture block 33 be able to by this by, gradually move backward, and syringe needle 31 is submerged in the hollow tube 2 gradually, when fixture block 33 moves to the corresponding buckle slot 212 of shape (as shown in Figure 6), hollow out groove 21 can recover its original state because of its elasticity, and makes fixture block 33 be fixed by clip and can't move arbitrarily.Thus, used syringe needle 31 just is hidden and is fixed in the hollow tube 2, can't cause danger because of accident skids off, and the situation of avoiding medical personnel to be stabbed also can be exempted the acupuncture treatment problem of using existing mode palpus trocar lid and taking place.
In addition as shown in Figure 7, be another embodiment of the present invention figure, this embodiment is the structure of this fixture block 33 of improvement, these fixture block 33 tops are provided with a large-area moving plate 331 in addition in the present embodiment, they can be with fixed seat 32 and fixture block 33 ejection formations, be distributed in hollow tube 2 end faces during assembling, utilize bigger contact area allow user is pointed easier contact when pulling and needle unit 3 is moved.
In sum, the safe intravenous infusion needle that the present invention disclosed is that desire reduces the syringe needle speckled with body fluid and stabs and infect other people dangerous probability, and promotes the convenience of its use, to meet the desired safety of general medical personnel.In brief, the present invention is by the combination of the buckle slot in fixture block and the hollow out groove, and user can submerge used syringe needle in safe intravenous infusion needle to pull mode backward with one hand.Therefore, safe intravenous infusion needle of the present invention can be properly settled the safety of existing medical needle pinprick and recycling, uses the preferable effect of performance and improves practical purpose.
Seeing through the detailed description of above preferred embodiment, is to hope know the feature and spirit of describing the present invention more, is not that category to the present invention limits in form.Duty be so, all have do relevant any modification of the present invention or a change under identical invention spirit, must be included in the category of institute of the present invention desire protection.
Claims (10)
1. safe intravenous infusion needle, it comprises:
One hollow tube, the body front end is provided with the butterfly alar part, and tube wall one side has a hollow out groove, and this hollow out groove front and back position is provided with a breach and is provided with a buckle slot at least;
One needle unit, the fixed seat of main body is to be arranged in the aforementioned hollow tube, front end is provided with a hollow
Syringe needle, and be connected with the channel of boring a hole of fixed seat inside, a side is provided with the fixture block of a projection, is positioned at the breach of aforementioned hollow out groove usually, this fixture block shape and corresponding to aforementioned breach and buckle slot; And
One tube for transfusion, it is a hollow pipe, an end is incorporated into the end of aforementioned fixed seat.
2. safe intravenous infusion needle as claimed in claim 1, wherein the section configuration in this hollow tube pipe is the external form corresponding to the fixed seat of aforementioned needle unit.
3. safe intravenous infusion needle as claimed in claim 1, wherein the Wide degree of this hollow out groove must little set thereon breach and buckle slot.
4. safe intravenous infusion needle as claimed in claim 1, wherein this notch geometry is corresponding to the external form of the fixture block of aforementioned needle unit, and do not have there being big external force and pull that to stop that down fixture block produces mobile.
5. safe intravenous infusion needle as claimed in claim 4, wherein, notch geometry must be not the same with the fixture block external form fully, but this shape must have in nothing than stopping under external force is pulled greatly that the fixture block generation is mobile.
6. safe intravenous infusion needle as claimed in claim 1, the external form of the fixture block of the corresponding aforementioned needle unit of buckle slot shape wherein, and move at fixture block and promptly can't make it to be pulled forward once more herein.
7. safe intravenous infusion needle as claimed in claim 1, wherein the buckle slot shape must be not the same with the fixture block external form fully, but this shape can move at fixture block and promptly can't make it to be pulled forward once more herein.
8. safe intravenous infusion needle as claimed in claim 1, wherein this fixture block top is provided with a large-area moving plate.
9. safe intravenous infusion needle as claimed in claim 1, wherein this butterfly alar part thinner thickness can be bent.
10. safe intravenous infusion needle as claimed in claim 1, wherein the tube for transfusion end is provided with a connector unit, this connector unit form fit the container that must use and deciding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100901174A CN100536947C (en) | 2005-08-08 | 2005-08-08 | Safety venous transfusion needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100901174A CN100536947C (en) | 2005-08-08 | 2005-08-08 | Safety venous transfusion needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1911463A true CN1911463A (en) | 2007-02-14 |
| CN100536947C CN100536947C (en) | 2009-09-09 |
Family
ID=37720621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100901174A Expired - Fee Related CN100536947C (en) | 2005-08-08 | 2005-08-08 | Safety venous transfusion needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100536947C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016062015A1 (en) * | 2014-10-23 | 2016-04-28 | 上海金塔医用器材有限公司 | Disposable anti-acupuncture venous transfusion needle |
| CN106474593A (en) * | 2015-08-27 | 2017-03-08 | 王祖扬 | A kind of needle automatic retracting formula safe intravenous infusion needle |
-
2005
- 2005-08-08 CN CNB2005100901174A patent/CN100536947C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016062015A1 (en) * | 2014-10-23 | 2016-04-28 | 上海金塔医用器材有限公司 | Disposable anti-acupuncture venous transfusion needle |
| CN106474593A (en) * | 2015-08-27 | 2017-03-08 | 王祖扬 | A kind of needle automatic retracting formula safe intravenous infusion needle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100536947C (en) | 2009-09-09 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090909 Termination date: 20110808 |