CN204072250U - For the protection slide block of puncture needle - Google Patents
For the protection slide block of puncture needle Download PDFInfo
- Publication number
- CN204072250U CN204072250U CN201420348209.2U CN201420348209U CN204072250U CN 204072250 U CN204072250 U CN 204072250U CN 201420348209 U CN201420348209 U CN 201420348209U CN 204072250 U CN204072250 U CN 204072250U
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- CN
- China
- Prior art keywords
- spring base
- utility
- model
- puncture needle
- puncture
- 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
This utility model relates to a kind of protection slide block for puncture needle, and it is mainly applicable in the laparoscopic surgery of human body.Of the present utility modelly to be characterised in that: it comprises slide body, spring base one, spring base two and spring base three, described spring base one, spring base two and spring base three are fixed on slide body, and described slide body also has sliding tray one, sliding tray two and stopper slot.Structural design of the present utility model is more reasonable; when after the broken stomach wall of puncture; protection slide bar in puncture needle is spacing up and down by this utility model; when front end is again by external force; also again piercing blade can not be exposed; blade is in guard mode, ensures that patient can not be subject to unexpected injury because of puncture, use safety, reliable and convenient.
Description
Technical field
This utility model relates to a kind of protection slide block for puncture needle, and it is parts in puncture needle, belongs to medical apparatus and instruments, is mainly applicable in the laparoscopic surgery of human body.
Background technology
In prior art, human abdominal cavity operation widely uses puncture needle, is particularly used in Minimally Invasive Surgery field and laparoscopic surgery.
Chinese utility model patent application number 022492445 discloses one " canula puncture needle "; this puncture needle comprises housing 1, nook closing member 3, sleeve pipe 4, knife bar 6, piercing blade 7, safe sleeve pipe 11, back-moving spring 12 and insurance thimble 24; but its structural design is still reasonable not, really can not play our said protective effect in operation process.Specifically see Fig. 5, when insurance thimble 24 is depressed, whole device is in the state of de-preservation, after wearing out stomach wall, because the cone-shaped nose of safe sleeve pipe 11 is no longer subject to resistance, under the effect of back-moving spring 12, safe sleeve pipe 11 ejects forward, piercing blade is again encased again; In this process, insurance thimble 24 is depressed, although piercing blade 7 encases again always; but when the cone-shaped nose of safe sleeve pipe 11 touches internal organs, front end is under pressure and to after-contraction, exposes again piercing blade 7; lose protective effect, operation use or dangerous.
Owing to not arranging protection slide block in the prior art, cause total to design reasonable not, during puncture, there is no protective effect.
Utility model content
Technical problem to be solved in the utility model to overcome in prior art existing above-mentioned deficiency, and provide a kind of reasonable in design simple, coordinate with puncture needle after there is the protection slide block for puncture needle of safeguard protection effect.
The technical scheme in the invention for solving the above technical problem is: this protection slide block being used for puncture needle is characterized in that: it comprises slide body, spring base one, spring base two and spring base three; described spring base one, spring base two and spring base three are fixed on slide body, and described slide body also has sliding tray one, sliding tray two and stopper slot.
Make the protection slide bar in puncture needle spacing up and down by this utility model thus, when front end is again by external force, also again can not expose piercing blade, blade is in guard mode, really serves protective effect.
Centerline parallel, the centrage of spring base three and the central axis of spring base one and spring base two of spring base one described in the utility model and spring base two.Make this utility model can better with the fixture block in puncture needle and protect slide bar to match, complete whole puncturing operation safely and reliably.
This utility model compared with prior art; have the following advantages and effect: structural design is more reasonable; when after the broken stomach wall of puncture; protection slide bar in puncture needle is spacing up and down by this utility model; when front end is again by external force, also again can not expose piercing blade, blade is in guard mode; ensure that patient can not be subject to unexpected injury because of puncture, use safety, reliable and convenient.
Accompanying drawing explanation
Fig. 1 is the first perspective view of the present utility model.
Fig. 2 is the second perspective view of the present utility model.
Fig. 3 is the 3rd perspective view of the present utility model.
Fig. 4 is the structural representation front view of the direction of arrow in Fig. 1.
Fig. 5 is the structural representation upward view of the direction of arrow in Fig. 1.
Fig. 6 is the structural representation top view of the direction of arrow in Fig. 1.
Fig. 7 is the position view of this utility model in puncture needle protection knife bar mechanism.
Detailed description of the invention
See Fig. 1-Fig. 6, this utility model forms primarily of slide body 11, spring base 1, spring base 2 13 and spring base 3 14, spring base 1, spring base 2 13 and spring base 3 14 are fixed on slide body 11, slide body 11 on also have sliding tray 1, sliding tray 2 16 and stopper slot 17; The centrage 121 of spring base 1 is parallel with the centrage 131 of spring base 2 13, and the centrage 141 of spring base 3 14 is vertical with the centrage 131 of spring base 2 13 with the centrage 121 of spring base 1.
This utility model is made of plastic.
See Fig. 7, comprise cutter window 2, protection slide bar 3 and needle guard main body 4 with protection knife bar mechanism of the present utility model, this utility model is arranged in needle guard main body 4.
See Fig. 1-Fig. 7; during use; this utility model and puncture needle protect the protection slide bar in knife bar mechanism and fixture block to match; spring base 1, spring base 2 13 and spring base 3 14 are all provided with spring; sliding tray 1 makes this utility model horizontally slip; sliding tray 2 16 makes this utility model slide anteroposterior, stopper slot 17 to protection slide bar 3 move up and down carry out spacing.
Puncture needle described in literary composition, fixture block and protection slide bar SEPARATE APPLICATION patent all, no longer describe in detail.
Specific embodiment described in this description, the title that its part is got can be different.All equivalences of doing according to structure, feature and the principle described in this utility model inventional idea or simple change, be included in the protection domain of this utility model patent.
Claims (2)
1. the protection slide block for puncture needle; it is characterized in that: it comprises slide body, spring base one, spring base two and spring base three; described spring base one, spring base two and spring base three are fixed on slide body, and described slide body also has sliding tray one, sliding tray two and stopper slot.
2. the protection slide block for puncture needle according to claim 1, is characterized in that: centerline parallel, the centrage of spring base three and the central axis of spring base one and spring base two of described spring base one and spring base two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420348209.2U CN204072250U (en) | 2014-06-27 | 2014-06-27 | For the protection slide block of puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420348209.2U CN204072250U (en) | 2014-06-27 | 2014-06-27 | For the protection slide block of puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204072250U true CN204072250U (en) | 2015-01-07 |
Family
ID=52165022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420348209.2U Expired - Fee Related CN204072250U (en) | 2014-06-27 | 2014-06-27 | For the protection slide block of puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204072250U (en) |
-
2014
- 2014-06-27 CN CN201420348209.2U patent/CN204072250U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20200627 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |