CN2524766Y - Puncture needle - Google Patents
Puncture needle Download PDFInfo
- Publication number
- CN2524766Y CN2524766Y CN 01272419 CN01272419U CN2524766Y CN 2524766 Y CN2524766 Y CN 2524766Y CN 01272419 CN01272419 CN 01272419 CN 01272419 U CN01272419 U CN 01272419U CN 2524766 Y CN2524766 Y CN 2524766Y
- Authority
- CN
- China
- Prior art keywords
- needle
- puncture
- plane
- pin
- stalk
- 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
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to a puncture needle, which is used for puncture of a bottle stopper of an injection medicine plastic bottle for medical and experimental unit. The puncture needle comprises a needle rod with a tip on the top and an inclined opening and a needle block, the lower part of the needle rod is fixed on the needle block, and the puncture needle is characterized in that the lower part of an oval-shaped needle hole formed by the inclined opening on the top of the needle rod is provided with an inward inclined plane and the inward inclined planed inclines from the needle rod to the direction of the needle hole so that the puncture surface on the front end cannot form a completely closed cutting edge, therefore, stopper particle cannot be cut off in the process of puncture, moreover, as the front end has no closed cone-shaped top, the puncture needle is very easy to be cleaned.
Description
Technical field: this utility model relates to a kind of puncture needle, uses during for medical treatment and experimental unit's break-through injection medicament Plastic bottle plug.
Background technology: what be used at present that the puncture needle of puncture injection medicament Plastic bottle plug adopts all is the syringe needle of top inclined-plane opening, in piercing process, very easily make bottle stopper granule under the pin hole edge cuts, and bring in the container, pollute, and health and experimental result caused adverse consequences, for this reason, in on April 12nd, 1999 application, name is called in the utility model patent of " disposable use side opening soluble medicine insertion bottle needle " and discloses a kind of puncture needle, the leading section that it is characterized in that pin is a cone, the centre partly is an end of tubular needle stalk, has the hole on pin stalk front end side wall, and the pin stalk is bonded on the needle stand of syringe needle rearward end.Because the pin hole in this scheme is opened on sidewall, front end does not have cutting edge, therefore when tapered needle is thrust bottle stopper, can reduce the particle detachment of bottle stopper to greatest extent, but exist processing difficulties, the shortcoming that the cone inner top is difficult to clean yet.
Summary of the invention: the purpose of this utility model be for overcome the deficiencies in the prior art provide a kind of in piercing process, can reduce the particle detachment of bottle stopper to greatest extent and process easy, easy cleaned puncture needle.
For achieving the above object, the technical solution of taking of the present utility model is as follows: puncture needle comprises the end of tubular needle stalk and the needle stand of top band point, inclined-plane opening, pin stalk lower end is fixedly mounted on the needle stand, the following part of the formed oval pin hole of described pin stalk inclined-plane, top opening is provided with the inclined-plane that caves in, and the inclined-plane that caves in is tilted to the pin hole direction by the pin stalk.
Owing under the pin hole of inclined-plane opening, partly be provided with the inclined-plane that caves in, make front end puncture face can not form the cutting edge of a complete closure, therefore when puncture, the bottle stopper granule can not cut down, and, be highly susceptible to cleaning because front end does not have the cone top of sealing.
The utility model is described in further detail below in conjunction with accompanying drawing:
Description of drawings:
Accompanying drawing 1 is this utility model example structure sketch map;
Accompanying drawing 2 is pin stalk side view cutaway drawing.
Specific embodiment: as shown in Figure 1 and Figure 2, puncture needle comprise by top band point inclined-plane opening end of tubular needle stalk 1 and lower end needle stand 4 form, pin obstructs 1 front end inclined-plane opening and is about 30 degree and makes pin obstruct 1 front end to form oval pin hole 2, following part at pin hole 2 is provided with the inclined-plane 3 that caves in, the inclined-plane 3 that caves in is tilted to pin hole 2 by pin stalk 1, sink and to be no more than pin and to obstruct 1/3rd of 1 diameter, needle stand 4 is by plastic injection-moulded shaping, the centre is provided with tubaeform centre bore 5 forward, pin stalk 1 is placed in one, and the horn mouth place is adhesively fixed pin stalk 1 with bonding agent.
Claims (2)
1, a kind of puncture needle, the end of tubular needle stalk and the needle stand that comprise top band point, inclined-plane opening, pin stalk lower end is fixedly mounted on the needle stand, it is characterized in that: the following part of described pin stalk (1) inclined-plane, top formed oval pin hole of opening (2) is provided with the inclined-plane that caves in (3), and the inclined-plane that caves in (3) are tilted to pin hole (2) direction by pin stalk (1).
2, puncture needle according to claim 1 is characterized in that: the inclined-plane that caves in (3) are sunk and are no more than 1/3rd of pin stalk (1) diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01272419 CN2524766Y (en) | 2001-11-20 | 2001-11-20 | Puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01272419 CN2524766Y (en) | 2001-11-20 | 2001-11-20 | Puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2524766Y true CN2524766Y (en) | 2002-12-11 |
Family
ID=33677585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01272419 Expired - Lifetime CN2524766Y (en) | 2001-11-20 | 2001-11-20 | Puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2524766Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105816326A (en) * | 2016-05-26 | 2016-08-03 | 房东森 | Safe medicine dissolving syringe needle |
-
2001
- 2001-11-20 CN CN 01272419 patent/CN2524766Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105816326A (en) * | 2016-05-26 | 2016-08-03 | 房东森 | Safe medicine dissolving syringe needle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20111120 Granted publication date: 20021211 |