CN1657110A - Disposable venipuncture needle protective canula - Google Patents
Disposable venipuncture needle protective canula Download PDFInfo
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- CN1657110A CN1657110A CN 200510053461 CN200510053461A CN1657110A CN 1657110 A CN1657110 A CN 1657110A CN 200510053461 CN200510053461 CN 200510053461 CN 200510053461 A CN200510053461 A CN 200510053461A CN 1657110 A CN1657110 A CN 1657110A
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- Prior art keywords
- needle
- transfusion
- handle
- canula
- protective
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Abstract
A protective sleeve tube for the expendable venipuncture needle is compose dof a sleeve tube body and a handle arranged longitudinally on said sleeve tube body. It can conveniently recover the used puncture needle in it, so preventing its damage to person.
Description
Technical field
The present invention relates to a kind of puncture needle protector, particularly a kind of venipuncture needle protective canula that is used for medical purpose.
Background technology
Disposable venipuncture needle is an indispensable medical apparatus and instruments in venous transfusion, blood sampling, the therapeutic process.Mostly safeguard procedures to the venipuncture needle of use in clinical are to overlap a flexible plastic sleeve on the tip and the needle body surface of venipuncture needle at present, in case needle body is contaminated; When clinical use, the nurse must remove protection tube earlier, just can carry out venipuncture procedure, treat that transfusion finishes, and the flexible pipe sheath disappears without a trace also, can not prevent once more that needle body or needle point from contacting personnel's injury with other to the nurse.
Domestic also have unit or individual to study on this question, as: ZL:02112068.4, record and narrate " a kind of single wing transfusion syringe with safety device "; And ZL:02112106.0: record and narrate " a kind of transfusion needle " with safety device; Two inventions have been explained the method for implementing sheath on the transfusion needle surface transfusion needle have been protected; Two technology all are to have one or symmetrical finedraw by a tubular structure and on the pipe sidewall, and have locked groove at the terminal point of seam, so that the transfusion needle handle can not withdraw from after entering, reach the protection purpose.But have certain deficiency on the clinical manipulation: its structure must make the formed product of its technology: the transfusion needle sheath is positioned at an end (near filter for transfusion side) of transfusion needle flexible pipe when dispatching from the factory, and the transfusion needle surface still needs a protective jacket, has caused waste to production unit; In addition, its safety device, be a round tube, no hand held structures is when clinical use, the finedraw para-position that the transfusion needle handle will be opened with it, needle handle is entered in the safe pillar, and the work of this para-position is very much trouble, needs the nurse to rotate pillar with its pillar, make its most advanced and sophisticated V-notch aim at the transfusion needle handle, just can reach.So its structural defective causes difficulty for clinical use, is unfavorable for the popularization and the use of its product.
Summary of the invention
The objective of the invention is to overcome above deficiency and design; the invention provides a kind of venipuncture needle protective canula; this protective casing not only can be accommodated venipuncture needle when product export and be protected; and the venipuncture needle after the clinical use can be made things convenient for, takes in the protective sleeve rapidly, accurately, avoid accidentally injuring the generation of phenomenon.
A kind of venipuncture needle protective canula provided by the present invention; comprise the puncture needle protecting pipe; the sheath handle; it is characterized in that: protective casing is the pipe of a two-way perforation; nearly one distolateral wall upper edge tubular axis is to being fixed with one handle; with the handle opposite side; sleeve pipe sidewall near-end has the rectangle slotted eye of 1.8 * 8.0mm along tube axial direction; and it is wide to be contracted to 0.5mm from the oblique symmetry of axial 45 degree of the front end edge of slotted eye; prolong the 5.0mm narrow slit; the wide seam of the 45 oblique 1.8mm of extending to of degree extends to telescopic far-end then; wide tape edge edge at the boot proximal end place has a pair of semicircle kick; in the bottom that boot proximal end is cracked is that the center has semicircle mouthful, and its diameter is identical with casing diameter.
Above-mentioned disposable venipuncture needle protective canula, the front end semicircular in shape shape that its sidewall cracks, and the described initial part of cracking is positioned at semicircular bottom.
Above-mentioned disposable venipuncture needle protective canula, crack on its sidewall and pass through for puncture transfusion needle handle, the gradual change narrowing portion can stop venipuncture (transfusion) needle handle to slide, in rectangle locked groove and venipuncture (transfusion) pin compatible cooperation of handle of proximal end;
Above-mentioned disposable venipuncture (transfusion) needle protective canula, handle on its proximal, side wall and protective casing are one.
Adopt above-mentioned solution, when the production of venipuncture (transfusion) pin is dispatched from the factory, just disposable venipuncture (transfusion) needle guard can have been gone in the protective casing, and not use the soft protecting pipe of moulding of syringe needle in addition, thereby saved material; When clinical use; only need the nurse to carry out shirtsleeve operation: to pinch venipuncture (transfusion) pin handle on the other hand; another hands pinches the protective casing handle; gently draw with opposite direction power; both venipuncture (transfusion) pin can be taken out from protective casing; protective casing is slided to near-space air filter one side of venipuncture (transfusion) pin flexible pipe; operate by the transfusion routine; treat that transfusion finishes; need only pinch the puncture needle handle on the other hand; another hands is pinched the protective casing handle; and make two handle directions relative; both can be rapid; exactly that protective casing and venipuncture needle is overlapping and regain venipuncture (transfusion) pin, make being enclosed in the sleeve pipe of puncture needle safety, avoid the injury of syringe needle to human body.
The present invention has the following advantages: the first, can protect venipuncture (transfusion) pin during product export, be that production unit is saved material; The second, simple in structure, make easily; Three, this protective casing withdrawal or disengaging venipuncture (transfusion) pin are easy, accurately, and rapidly; Four, can make things convenient for to be applied in the identical product of purposes such as other puncture needles of vacuum blood taking needle.
Description of drawings
Fig. 1 is the configuration state figure before the present invention uses;
Fig. 2 is two kinds of multi-form structure charts of the present invention;
Fig. 3 is the A-A cutaway view of Fig. 2 among the present invention;
Fig. 4 is the B-B cutaway view of Fig. 2 among the present invention;
Fig. 5 is the configuration state figure during the present invention uses;
The specific embodiment
As shown in Figure 1, the present invention, both the disposable infusion venipuncture needle protective canula comprised protective casing 1, handle 2; When product export (unused state), along transfusion needle flexible pipe 4, be sleeved on transfusion needle 3, transfusion needle handle 5 outer surfaces, form protection to venipuncture needle.Former and later two port ones of this protective casing a, 1b communicate, and this casing length is greater than venipuncture (transfusion) pin 3 and total length after the needle stand handle is connected;
As shown in Figure 2, on the sidewall of this sleeve pipe 1 near-end, have one 1.8 * 8.0mm rectangle slotted eye 1c, puncture (transfusion) pin handle wing root portion is limited in wherein; And it is wide and prolong 5.0mm and form narrow slit 1d to be contracted to 0.5mm from the oblique symmetry of front end edge direction of principal axis 45 degree of slotted eye 1c, and then the oblique 1.8mm that extends to of 45 degree, form wide seam 1e and extend to telescopic far-end, in the bottom that boot proximal end is cracked is that the center has semicircle mouthful, and its diameter is identical with casing diameter.At the wide seam 1e edge of distance boot proximal end 10mm to a pair of projection 1g should be arranged, with wide seam constriction to 0.5mm.
As shown in Figure 2, on the sidewall of this sleeve pipe 1 near-end, have 1.8mm elongate slot 1c, and be shaped on three couples of half-circle projection 1g from the axial symmetry of the front end edge of slotted eye 1c, it is wide to make the slotted eye seam be contracted to 0.5mm, first couple of projection 1g is apart from slotted eye initial part 8.0mm, formed space 1c can make puncture (transfusion) pin handle wing root portion be limited in wherein; Second couple of projection 1g is apart from first couple of projection 5.0mm, forming a feel excessively is with, make the sensation that has an initial puncture needle to enter protecting pipe in the nurse operation, the 3rd couple of projection 1g be positioned at slotted eye 1c far-end, apart from cannula tip 10mm, it both can prevent venipuncture (transfusion) needle body side dew from line of rabbet joint crack, can make the wide seam of its preceding 10mm be convenient to sliding into of puncture needle handle again, be that the center of circle has semicircle opening 1f in the bottom of cracking with boot proximal end, and its diameter is identical with casing diameter.
As shown in Figure 3, the said venipuncture needle protective canula 1 of the present invention has one handle 2 vertically on its proximal, side wall, and it is relative with fluting 1c on the pipe sidewall.
As shown in Figure 4, the said venipuncture needle protective canula of the present invention be half circular open 1f in the distal portion of sleeve pipe 1, and the bottom of opening 1f overlaps with the fluting center.The proximal port 1a slightly larger in diameter of sleeve pipe 1 is convenient to sleeve pipe and is slided on its surface in the diameter of venipuncture (transfusion) pin flexible pipe.
As shown in Figure 5, the present invention is disposable venipuncture needle protective canula both, and when clinical use, this protective casing is in the far-end of venipuncture (transfusion) pin flexible pipe, the capable transfusion of puncture needle function.When clinical transfusion treatment finished, the nurse pinched venipuncture needle stand handle 4 on the other hand, and another hands pinches protective casing handle 2, and with relative direction, overlapping sleeve just can be with venipuncture (transfusion) pin rapidly, be recovered in the protective casing accurately.
Claims (4)
1, disposable venipuncture (transfusion) needle protective canula is made up of protective casing 1, handle 2.Be characterised in that: two ports of this protective casing communicate, and its proximal, side wall has one handle 2 vertically, on the offside tube wall of handle 2, have the constriction seam 1b of rectangle slotted eye 1a, gradual change, 1.8mm crack 1d, semicircle opening 1e.
2, disposable venipuncture according to claim 1 (transfusion) needle protective canula is characterized in that: the locked groove hole 1c of described protective casing and constriction seam 1d, prolong crack 1e, semicircle perforate 1f and distribute on the identical sidewall of sleeve pipe 1 and along the same axis.
3, disposable venipuncture according to claim 1 (transfusion) needle protective canula, it is characterized in that: the far-end that the locked groove hole 1c of described protective casing extends to protective casing 1 forms the 1e that cracks, on the edge of 1e, be distributed with three couples of projection 1g, it does not wait at interval, first pair of projection is apart from slotted eye 1c8mm, apart from 5mm, the 3rd pair of projection is apart from boot proximal end 10mm between the second pair of projection and the first pair of projection; They play the hands slippage of restriction puncture transfusion needle and restriction respectively needle body are oblique and expose.
4, disposable venipuncture according to claim 1 (transfusion) needle protective canula is characterized in that: one handle is arranged on the proximal end sidewall vertically, and relative with the direction of cracking on the tube wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510053461 CN1657110A (en) | 2005-03-11 | 2005-03-11 | Disposable venipuncture needle protective canula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510053461 CN1657110A (en) | 2005-03-11 | 2005-03-11 | Disposable venipuncture needle protective canula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1657110A true CN1657110A (en) | 2005-08-24 |
Family
ID=35006938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510053461 Pending CN1657110A (en) | 2005-03-11 | 2005-03-11 | Disposable venipuncture needle protective canula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1657110A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103212140A (en) * | 2013-03-26 | 2013-07-24 | 上海宝舜医疗器械有限公司 | Safe transfusion needle |
| CN103706000A (en) * | 2013-09-16 | 2014-04-09 | 张丽君 | Medical protective injection scalp needle |
| CN104188670A (en) * | 2014-08-12 | 2014-12-10 | 上海宝舜医疗器械有限公司 | Blood taking needle safe in recycling |
| CN105107057A (en) * | 2015-09-21 | 2015-12-02 | 淮安市恒春医疗器材有限公司 | Disposable safe intravenous infusion needle |
| CN109963488A (en) * | 2016-10-22 | 2019-07-02 | 机遇-发现有限公司 | Disposable shield sleeve device |
-
2005
- 2005-03-11 CN CN 200510053461 patent/CN1657110A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103212140A (en) * | 2013-03-26 | 2013-07-24 | 上海宝舜医疗器械有限公司 | Safe transfusion needle |
| CN103212140B (en) * | 2013-03-26 | 2016-01-20 | 上海宝舜医疗器械有限公司 | A kind of safety transfusion needle |
| CN103706000A (en) * | 2013-09-16 | 2014-04-09 | 张丽君 | Medical protective injection scalp needle |
| CN104188670A (en) * | 2014-08-12 | 2014-12-10 | 上海宝舜医疗器械有限公司 | Blood taking needle safe in recycling |
| CN105107057A (en) * | 2015-09-21 | 2015-12-02 | 淮安市恒春医疗器材有限公司 | Disposable safe intravenous infusion needle |
| CN109963488A (en) * | 2016-10-22 | 2019-07-02 | 机遇-发现有限公司 | Disposable shield sleeve device |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |