CN203154451U - Y-shaped puncture-proof indwelling needle - Google Patents
Y-shaped puncture-proof indwelling needle Download PDFInfo
- Publication number
- CN203154451U CN203154451U CN 201320182172 CN201320182172U CN203154451U CN 203154451 U CN203154451 U CN 203154451U CN 201320182172 CN201320182172 CN 201320182172 CN 201320182172 U CN201320182172 U CN 201320182172U CN 203154451 U CN203154451 U CN 203154451U
- Authority
- CN
- China
- Prior art keywords
- needle
- catheter block
- tube
- guide block
- perverse
- 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.)
- Expired - Lifetime
Links
- 238000001802 infusion Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 5
- 239000012634 fragment Substances 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 238000001467 acupuncture Methods 0.000 claims description 11
- 239000008280 blood Substances 0.000 claims description 4
- 210000004369 blood Anatomy 0.000 claims description 4
- 210000003205 muscle Anatomy 0.000 claims description 3
- 206010017577 Gait disturbance Diseases 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims description 2
- 208000014674 injury Diseases 0.000 abstract description 2
- 229910001220 stainless steel Inorganic materials 0.000 abstract 2
- 239000010935 stainless steel Substances 0.000 abstract 2
- 208000012260 Accidental injury Diseases 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 210000004204 blood vessel Anatomy 0.000 description 3
- 208000012266 Needlestick injury Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003203 everyday effect Effects 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 208000035473 Communicable disease Diseases 0.000 description 1
- 206010052428 Wound Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000003978 infusion fluid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
Images
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
Disclosed is a Y-shaped puncture-proof indwelling needle. A needle (1) passing out of a stainless steel needle tube (9) is disposed in a cannula (2). The rear of the cannula (2) is connected with a tube guide block (3). A needle holder (10) is sleeved at the rear of the tube guide block (3). An infusion extended tube (12) is externally connected to the front end of the tube guide block (3). A rubber plug (4) is disposed in an inner cavity of the tube guide block (3). A liner tube (13) is coaxially connected to the rear of the tube guide block (3). A core support (7) and an expansion sheet (6) are disposed in the liner tube (13). The stainless steel needle tube (9) passes forwards from the rear end of the needle holder (10) out of the liner tube (13), the rubber plug (4) and the cannula (2). A puncture-proof spring plate and core support structures are disposed between the tube guide block (3) and the needle holder (10), the related structures are mutually linked and fitted, and accordingly normal use is guaranteed, needle withdrawal is safe, the tip of the needle is wrapped effectively and is isolated from contacting the outside, and accidental injury risk of medical staff and patients during use of the indwelling needle is avoided. The Y-shaped puncture-proof indwelling needle is simple in structure and convenient to operate, and modification of existing techniques is facilitated.
Description
Technical field
The present invention relates to International Classification of Patents A61M5 and import medium in the human body or be passed to technique with the apparatus field on the human body, belong to that a kind of medical infusion indwelling needle device, especially Y formula are anti-stab puts that let the acupuncture needle remain at a certain point.
Background technology
In the prior art, transfusion every day of part needs of patients is arranged, in order to alleviate the patient suffering, in this case, be fixed on behind the one-time puncture that the injection site is standby at any time to be put that let the acupuncture needle remain at a certain point technology begins extensively to be paid attention in continuous many days, but, because the stainless pin needle tubing that uses can not be stayed in the blood vessel for a long time, for avoiding venipuncture every day, adopt the way of remaining needle now, be that remaining needle penetrates behind the blood vessel and is surrounded by sleeve pipe outward because of its stainless pin needle tubing, this sleeve pipe also with while intravasation under the guiding of stainless pin needle tubing, is transferred to stainless pin needle tubing sleeve pipe to stay in the blood vessel then and just can be kept about 7 days.Yet, along with putting the application that let the acupuncture needle remain at a certain point, the deficiency of potential safety hazard has also appearred existing in its use, as, patient's struggle is appearring in the needle tubing of the remaining needle that uses when transfering to or the doctor operates under the neglectful fortuitous event, can cause needle point to accidentally injure the implementation and operation medical personnel, so, when using the remaining needle product to patients with infectious diseases, medical personnel will bear great risk.
Less to correlation technique from the disclosed Searches of Patent Literature, as 201010162187.7 1 kinds of needle puncture-preventing remaining needles of Chinese patent application, remaining needle needle stand and catheter block are connected, catheter block front end fixed sleeving, be needle tubing in the middle of the sleeve pipe, the needle stand other end connects exhaust joint, exhaust joint has head protector, be provided with an elasticity needle point guard spare in the catheter block, needle tubing passes this elasticity needle point guard spare, the needle tubing card that needle tubing is provided with is mixed diameter greater than the hole of threading a needle on this elasticity needle point guard spare rear wall, elasticity needle point guard spare is provided with the needle point guard card and mixes, and this needle point guard card is mixed and be may be stuck on the catheter block draw-in groove that the catheter block rear end is provided with, when described needle tubing is extracted from catheter block, the needle point guard card is mixed and can be broken away from described catheter block draw-in groove, and elasticity needle point guard spare is extracted catheter block together with needle tubing parcel and needle tubing.
And for example, 201020687126.8 1 kinds of anti-acupuncture venous detaining needles of Chinese patent application are made up of needle shield, conduit tube component, puncture needle assembly; Conduit tube component comprises conduit, threeway catheter block, funnel, sealing-plug, flexible pipe, threeway seat, calparine cap, end cap, clip; The puncture needle assembly comprises puncture needle tubing, band wing needle stand and Needlestick prevention device; Needlestick prevention device is made up of connector, hollow sliding sleeve and sealed button.
And for example; Chinese patent application 200720039137.3 safe type retention needles; comprise puncture needle; conduit; catheter block; puncture needle comprises notch needle tubing and side handle; the front portion of notch needle tubing is provided with the side channel hole; the rear portion of catheter block is provided with resilient protection spare; the top of resilient protection spare is provided with downward fixture block; the length that resilient protection spare is positioned at the fixture block front portion is positioned at the length of front portion, side channel hole greater than the notch needle tubing; the bottom of resilient protection spare is provided with the locating slot of shelving puncture needle; when puncture needle was extracted catheter block, the side channel hole of the fixture block card entry slot lancet pipe of resilient protection spare made resilient protection spare wrap in notch needle tubing head and extracts catheter block with puncture needle.
Summary of the invention
Goal of the invention of the present invention is to provide a kind of Y formula anti-stab remaining needle, increases succinct needle tip guard etc., and needle point is encased needle point by special parts after needle tubing is transferred to, even accident is met medical personnel, also can not cause injury under the protection of special parts.
Realize that goal of the invention measure of the present invention is: the syringe needle that passes the rustless steel needle tubing in the sleeve pipe, sleeve pipe rear portion connecting duct seat, catheter block rear portion socket needle stand, prolong pipe at the external infusion of catheter block front end, insert plug at the catheter block inner chamber, and the coaxial connection bushing pipe at the catheter block rear portion is inserted core holder and the sheet that rises in the bushing pipe, the rustless steel needle tubing passes bushing pipe, plug and sleeve pipe forward from the needle stand rear end.
The invention has the advantages that, anti-perverse shell fragment and core holder structure are installed between catheter block and needle stand, be linked mutually with dependency structure, not only guaranteed normal the use but also safety when realizing the withdraw of the needle, effectively encase needle point and seal needle point and contact with extraneous, avoid using remaining needle to accidentally injure medical worker and patient's danger, simple in structure, easy to operate, be convenient to prior art is improved.
Description of drawings
Fig. 1 is structural representation of the present utility model
Fig. 2 is the local enlarged diagram in A place among Fig. 1
Fig. 3 is the local enlarged diagram in B place among Fig. 1
Reference numeral comprises:
The specific embodiment
As shown in Figure 1, pass the syringe needle 1 of rustless steel needle tubing 9 in the sleeve pipe 2, sleeve pipe 2 rear portion connecting duct seats 3, catheter block 3 rear portion socket needle stands 10, prolong pipe 12 in the external transfusion of catheter block 3 front ends, insert plug 4 at catheter block 3 inner chambers, and at the coaxial connection bushing pipe 13 in catheter block 3 rear portions, insert core holder 7 and the sheet 6 that rises in the bushing pipe 13, rustless steel needle tubing 9 passes bushing pipe 13, plug 4 and sleeve pipe 2 forward from needle stand 10 rear ends.
In aforementioned, needle stand 10 outer walls connect fin 5 by connecting muscle 11, when firmly connecting fin 5 and pull out backward with the hands tweezer in the use, under card is stumbled 14 effect, be connected and installed anti-perverse shell fragment 9 and core holder 7 structures between catheter block 3 and the needle stand 10 and also taken out of, and needle point has also entered in the saver sub needle point has been encased simultaneously, catheter block, conduit is stayed on one's body the patient, and fixing back is also managed 12 couples of patients by the infusion prolongation and carried out infusion.Stick on the human body catheter block fixing with adhesive plaster again.
In aforementioned, prolonging pipe 12 at the external infusion of catheter block 3 front ends is to establish with observing blood back to the human body infusion liquid in order to be used for, and the joint that is connected with transfusion device or injection tool is arranged on it.Open pore at catheter block 3 anterior outer walls.
As shown in Figure 2, the push button 16 of the other oriented side projection of core holder 7 anterior axis holes, simultaneously this forequarter wall fluting and with inverted draw cut 15 UNICOMs that open at catheter block 3 rear portions, anti-perverse shell fragment 6 is installed in these lateral liner tube 13 inner chambers, anti-perverse shell fragment 6 front end outside curve projectioies head into inverted draw cut 15, and anti-perverse shell fragment 6 front ends withstand on the rustless steel needle tubing 9 to the axle last volume, anti-perverse shell fragment 6 middle parts withstand on bushing pipe 13 inwalls to upper process, the hole 17 of threading a needle after bushing pipe 13 afterbodys have, thread a needle after anti-perverse shell fragment 6 rear portions have tailgate 8 to be stuck in to pass on the rustless steel needle tubing 9 in hole 17, and the hole clipping of tailgate 8 is less than stumble 14 external diameter of card.Before needle point 1 is not retracted into bushing pipe 13 inner chambers, tangles inverted draw cut 15 by the projection of preventing perverse shell fragment 6 front ends and connect needle stand 3 and catheter block 10.
As shown in Figure 3, the anterior outer wall of rustless steel needle tubing 9 has the flat card to stumble 14, and this card 14 external diameters of stumbling are less than or equal to sleeve pipe 2 internal diameters, simultaneously, at the stainless guiding principle needle tubing 9 of sleeve pipe 2 front inner wall blood back observation port 18 is arranged.In use, card is stumbled and 14 can not passed through up to tailgate 8 places extracting out with needle tubing 9, thereby takes out of being connected and installed anti-perverse shell fragment 6 and core holder 7 structures between catheter block 3 and the needle stand 10, encases needle point and prevents that needle point from stabbing wound doctors and patients' purpose to reach.
In use, to rear portion pulling needle stand 10, the syringe needle 1 of rustless steel needle tubing 9 is return in the catheter block 3 and until anti-perverse shell fragment 6 front end last volume positions along sleeve pipe 2 inner chambers and is kept off on its passage forward, when before pushing away again, in anti-perverse shell fragment 6 front end last volume positions under suppressing block needle point 1, needle point 1 can not be passed again.
Claims (6)
1. a Y formula is anti-stab puts that let the acupuncture needle remain at a certain point, it is characterized in that, pass the syringe needle (1) of rustless steel needle tubing (9) in the sleeve pipe (2), sleeve pipe (2) rear portion connecting duct seat (3), catheter block (3) rear portion socket needle stand (10), prolong pipe (12) at the external infusion of catheter block (3) front end, insert plug (4) at catheter block (3) inner chamber, and at catheter block (3) the coaxial connection bushing pipe in rear portion (13), insert core holder (7) and the sheet that rises (6) in the bushing pipe (13), rustless steel needle tubing (9) passes bushing pipe (13), plug (4) and sleeve pipe (2) forward from needle stand (10) rear end.
2. Y formula as claimed in claim 1 is anti-stab puts that let the acupuncture needle remain at a certain point, it is characterized in that, needle stand (10) outer wall connects fin (5) by connecting muscle (11).
3. Y formula as claimed in claim 1 is anti-stab puts that let the acupuncture needle remain at a certain point, it is characterized in that, opens pore at the anterior outer wall of catheter block (3).
4. Y formula as claimed in claim 1 is anti-stab puts that let the acupuncture needle remain at a certain point, it is characterized in that, the push button (16) of the other oriented side projection of the anterior axis hole of core holder (7), communicate at this forequarter wall fluting and with the inverted draw cut of opening at catheter block (3) rear portion (15) simultaneously, anti-perverse shell fragment (6) front end outside curve projection heads into inverted draw cut (15), and anti-perverse shell fragment (6) front end withstands on the rustless steel needle tubing (9) to the axle last volume, anti-perverse shell fragment (6) middle part withstands on bushing pipe (13) inwall to upper process, after having tailgate (8) to be stuck in to pass, the hole (17) of threading a needle after bushing pipe (13) afterbody has, anti-perverse shell fragment (6) rear portion thread a needle on the rustless steel needle tubing (9) in hole (17).
5. Y formula as claimed in claim 1 is anti-stab puts that let the acupuncture needle remain at a certain point, it is characterized in that, the anterior outer wall of rustless steel needle tubing (9) has flat card stumble (14), this card (14) external diameter of stumbling is less than or equal to sleeve pipe (2) internal diameter, simultaneously, the stainless guiding principle needle tubing (9) in sleeve pipe (2) front inner wall has blood back observation port (18).
6. Y formula as claimed in claim 1 is anti-stab puts that let the acupuncture needle remain at a certain point, it is characterized in that, is connected and installed anti-perverse shell fragment (6) and core holder (7) structure between catheter block (3) and the needle stand (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320182172 CN203154451U (en) | 2013-04-12 | 2013-04-12 | Y-shaped puncture-proof indwelling needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320182172 CN203154451U (en) | 2013-04-12 | 2013-04-12 | Y-shaped puncture-proof indwelling needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203154451U true CN203154451U (en) | 2013-08-28 |
Family
ID=49015682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320182172 Expired - Lifetime CN203154451U (en) | 2013-04-12 | 2013-04-12 | Y-shaped puncture-proof indwelling needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203154451U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107050567A (en) * | 2017-04-28 | 2017-08-18 | 广东龙心医疗器械有限公司 | Anti- acupuncture remaining needle |
| CN107050566A (en) * | 2017-04-28 | 2017-08-18 | 广东龙心医疗器械有限公司 | Anti- acupuncture remaining needle |
| CN108744142A (en) * | 2018-06-22 | 2018-11-06 | 江苏苏云医疗器材有限公司 | Anti- safety of acupuncture type remaining needle |
-
2013
- 2013-04-12 CN CN 201320182172 patent/CN203154451U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107050567A (en) * | 2017-04-28 | 2017-08-18 | 广东龙心医疗器械有限公司 | Anti- acupuncture remaining needle |
| CN107050566A (en) * | 2017-04-28 | 2017-08-18 | 广东龙心医疗器械有限公司 | Anti- acupuncture remaining needle |
| CN108744142A (en) * | 2018-06-22 | 2018-11-06 | 江苏苏云医疗器材有限公司 | Anti- safety of acupuncture type remaining needle |
| CN108744142B (en) * | 2018-06-22 | 2024-02-27 | 江苏苏云医疗器材有限公司 | Anti-needling safety indwelling needle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI PUYI MEDICAL INSTRUMENTS CO., LTD. Free format text: FORMER OWNER: WANG GUOQIANG Effective date: 20141224 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20141224 Address after: Jiading District Cao Road, Shanghai No. 4671 building 24 201804 Patentee after: SHANGHAI PUYI MEDICAL INSTRUMENTS Co.,Ltd. Address before: Jiading District Cao Road, Shanghai No. 4671 201804 Patentee before: Wang Guoqiang |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130828 |
|
| CX01 | Expiry of patent term |