CN2863042Y - Anterior chamber puncture needle - Google Patents
Anterior chamber puncture needle Download PDFInfo
- Publication number
- CN2863042Y CN2863042Y CN 200520125935 CN200520125935U CN2863042Y CN 2863042 Y CN2863042 Y CN 2863042Y CN 200520125935 CN200520125935 CN 200520125935 CN 200520125935 U CN200520125935 U CN 200520125935U CN 2863042 Y CN2863042 Y CN 2863042Y
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- CN
- China
- Prior art keywords
- pinhead
- needle
- utility
- model
- bevel
- 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 - Fee Related
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to an anterior chamber puncture needle and belongs to the technical field of medical articles, comprising an injection pinhead. A lateral wing that is upright with the axial direction is provided at the side face of the injection pinhead and it is located at the two sides of the pinhead's bevel rear and is level with the starting section of the pinhead bevel. The tip of the pinhead bevel is the spear shape with side blade. The utility model applies the method of increasing lateral wings at the front part of the injection pinhead to exert the resisting function and to avoid the pinhead from entering into the anterior chamber so deep that iris and lens are damaged. The length of the front pinpoint of the lateral wing is the needle advancing depth and the tip of the pinhead bevel is the spear shape with side blade so as to completely control the needle advancing depth, to make the front room's puncture a simple and safe routine operation. The utility model is featured with simple making technique, safe and convenient operation and easier batch production and so on. If the utility model is aseptically packaged in single one, it can be widely used as one-off medical article.
Description
Technical field
This utility model relates to a kind of puncture needle, specifically a kind of paracentesis needle.
Background technology
We know, paracentesis of anterior chamber is a base therapy measure of ophthalmology, and the emergency case that is widely used in oculopathy such as acute high intraocular pressure, retinal artery occlusion is handled, in time correct paracentesis of anterior chamber, no pain, save vision rapidly, and reduce the side effect of a large amount of medications of whole body, paracentesis of anterior chamber does not need special treatment condition, the patient need not advance operating room, do not need special posture, seat or clinostatism all can carry out, and are worth clinical promotion.But this technology can not extensively be carried out in many hospitals at present, its main cause is that the apparatus of paracentesis of anterior chamber does not match, existing clinical many with injection needles head or cataract side cutting knife, because of can not accurately controlling depth of needle, careless slightly, syringe needle enters anterior chamber 1-2mm more, will stab iris or crystalline lens, severe complication such as cause that cataract, iris are deviate from, the drawbacks limit of apparatus CLINICAL APLICATION PUNCTURE OF ANTERIOR CHAMBER.
Summary of the invention
This utility model provides a kind of effective paracentesis needle simple in structure, easy to use, safe for overcoming above-mentioned the deficiencies in the prior art.
The purpose of this utility model is to adopt following technical proposals to realize: a kind of paracentesis needle, comprise injection needle, and it is characterized in that, on the side of injection needle, be provided with and its axial perpendicular flank.
Described flank is positioned at the needle slope both sides, and flushes with the needle slope section start.
Described needle slope is most advanced and sophisticated for the lance thorn shape of side edge is arranged.
This utility model adopts at the injection needle leading portion increases flank, play barrier effect, iris, the lens damage avoiding syringe needle to enter the anterior chamber causing excessively deeply, the length of needle point is depth of needle before the flank, thereby can control depth of needle fully, make paracentesis of anterior chamber become simple and safe routine operation.The needle slope front end that adopts is the lance thorn shape that side edge is arranged, and is more conducive to puncture.It is simple to the utlity model has processing technology, easy and safe to operate, is easy to advantages such as batch process.If single aseptic packaging can be used as disposable medical article and is extensive use of.
Description of drawings
Fig. 1 is this utility model front view structural representation;
Fig. 2 is this utility model vertical view structural representation.
1. injection needles among the figure, 2. flank, 3. needle slope.
The specific embodiment
Below in conjunction with drawings and Examples this utility model is further specified.
Embodiment: structure is to be provided with on injection needle 1 side and its axial perpendicular flank 2 as shown in Figure 1 and Figure 2, and flank 2 is positioned at needle slope both sides 3, and flushes with needle slope 3 section starts.Needle slope 3 is most advanced and sophisticated for the lance thorn shape of side edge is arranged.
Claims (3)
1. a paracentesis needle comprises injection needle, it is characterized in that: be provided with on the injection needle side and its axial perpendicular flank.
2. paracentesis needle according to claim 1 is characterized in that: described flank is positioned at the both sides of needle slope, and flushes with the needle slope section start.
3. paracentesis needle according to claim 1 and 2 is characterized in that: described needle slope is most advanced and sophisticated for the lance thorn shape of side edge is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520125935 CN2863042Y (en) | 2005-12-16 | 2005-12-16 | Anterior chamber puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520125935 CN2863042Y (en) | 2005-12-16 | 2005-12-16 | Anterior chamber puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2863042Y true CN2863042Y (en) | 2007-01-31 |
Family
ID=37675495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520125935 Expired - Fee Related CN2863042Y (en) | 2005-12-16 | 2005-12-16 | Anterior chamber puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2863042Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109091269A (en) * | 2018-08-30 | 2018-12-28 | 天津冠勤医药科技有限公司 | Novel needle for mouse tail vein injection and manufacturing method and experimental application thereof |
| US10660618B2 (en) | 2014-09-09 | 2020-05-26 | Hangzhou Sightnovo Medical Technology Co., Ltd. | Disposable negative-pressure anterior chamber paracentesis syringe |
-
2005
- 2005-12-16 CN CN 200520125935 patent/CN2863042Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10660618B2 (en) | 2014-09-09 | 2020-05-26 | Hangzhou Sightnovo Medical Technology Co., Ltd. | Disposable negative-pressure anterior chamber paracentesis syringe |
| US11517293B2 (en) | 2014-09-09 | 2022-12-06 | Hangzhou Sightnovo Medical Technology Co., Ltd. | Negative-pressure paracentesis syringe and use thereof |
| CN109091269A (en) * | 2018-08-30 | 2018-12-28 | 天津冠勤医药科技有限公司 | Novel needle for mouse tail vein injection and manufacturing method and experimental application thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |