CN203988272U - A kind of veress needle for obesity laparoscopic surgery - Google Patents
A kind of veress needle for obesity laparoscopic surgery Download PDFInfo
- Publication number
- CN203988272U CN203988272U CN201420448597.1U CN201420448597U CN203988272U CN 203988272 U CN203988272 U CN 203988272U CN 201420448597 U CN201420448597 U CN 201420448597U CN 203988272 U CN203988272 U CN 203988272U
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- CN
- China
- Prior art keywords
- needle
- gas passage
- gas
- inner core
- taken over
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- 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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Abstract
The utility model discloses a kind of veress needle for obesity laparoscopic surgery, comprise needle tubing, needle tube joint, gas bar, nut, spring, spring base etc., on gas bar, be provided with gas outlet, gas bar is taken over and is fixedly connected with inner core, inner core is taken over and is connected with described key seat, in spring base, be provided with cotter way, key seat and cotter way tight fit connection, valve and inner core are taken over clamping, one end of needle tubing is fixedly connected with syringe needle, needle tubing pipe joint is fixedly connected with spring base, lower end in needle tubing is provided with slip tapered needle, axis along described slip tapered needle is provided with gas passage, on the cone point sidewall of slip tapered needle, be provided with the injecting hole being connected with gas passage, on the cone point outer wall of slip tapered needle, be provided with sealer, be provided with a contraction mouth in the upper end of gas passage.The upper end of gas passage is provided with a contraction mouth, can strengthen the porch pneumoperitoneum air pressure of gas passage, and inner surface is provided with screw thread, can further strengthen pneumoperitoneum effect.
Description
Technical field
This utility model relates to a kind of veress needle, relates in particular to a kind of veress needle for obesity laparoscopic surgery.
Background technology
Carrying out in body in Wicresoft abdominal cavity medical operating, once find focus in human body, need immediately operation or excision, in operation process, need the abdominal part of human body to carry out pneumoperitoneum, make to there is certain space in human body, operation can be carried out.All are to cut human abdominal cavity to carry out medical operating in the prior art, and after cutting, operating theater instruments is inserted human abdominal cavity from otch, but the operation process of prior art exists the defect of pneumoperitoneum process inconvenience, can not meet people's requirement.
Utility model content
The purpose of this utility model is to provide a kind of veress needle for obesity laparoscopic surgery, solves the shortcoming that prior art exists.
This utility model adopts following technical scheme to realize:
A kind of veress needle for obesity laparoscopic surgery, comprise needle tubing, needle tube joint, gas bar, nut, spring, spring base, valve, gas outlet, cotter way, key seat, inner core is taken over, syringe needle, on described gas bar, be provided with gas outlet, gas bar is taken over and is fixedly connected with described inner core, described inner core is taken over and is connected with described key seat, in spring base, be provided with cotter way, described key seat and cotter way tight fit connection, described valve and inner core are taken over clamping, one end of needle tubing is fixedly connected with syringe needle, needle tube joint is fixedly connected with spring base, it is characterized in that, lower end in described needle tubing is provided with slip tapered needle, axis along described slip tapered needle is provided with gas passage, on the cone point sidewall of slip tapered needle, be provided with the injecting hole being connected with gas passage, on the cone point outer wall of slip tapered needle, be provided with sealer, be provided with a contraction mouth in the upper end of gas passage.
Further, the inner surface of described gas passage is provided with screw thread.
Useful technique effect of the present utility model is: the upper end of gas passage is provided with a contraction mouth, can strengthen the porch pneumoperitoneum air pressure of gas passage, and inner surface is provided with screw thread, can further strengthen pneumoperitoneum effect.
Brief description of the drawings
Fig. 1 is the external structure of veress needle.
Fig. 2 is the generalized section of gas passage.
Detailed description of the invention
By the description to embodiment below; to more contribute to public understanding this utility model; but specific embodiment given applicant can't be considered as to the restriction to technical solutions of the utility model, any definition to parts or technical characterictic change and/or to overall structure do form and immaterial conversion all should be considered as the protection domain that the technical solution of the utility model limits.
For a veress needle for obesity laparoscopic surgery, comprise needle tubing 1, needle tube joint 2, gas bar 3, nut 4, spring 5, spring base 6, valve 7, gas outlet 8, cotter way 9, key seat 10, inner core takes over 11, syringe needle 12, on gas bar 3, be provided with gas outlet 8, gas bar 3 is taken over 11 with inner core and is fixedly connected with, inner core is taken over 11 and is connected with key seat 10, in spring base 6, be provided with cotter way 9, key seat 10 and cotter way 9 tight fit connections, valve 7 is taken over 11 clampings with inner core, one end of needle tubing is fixedly connected with syringe needle, needle tube joint 2 is fixedly connected with spring base 6, in the present embodiment, what the lower end in needle tubing arranged is slip tapered needle, is provided with gas passage 13 along the axis of slip tapered needle, on the cone point sidewall of slip tapered needle, be provided with the injecting hole 14 being connected with gas passage, on the cone point outer wall of slip tapered needle, be provided with sealer 15, the lower end of sealer is fixed in slip tapered needle by snap ring, is provided with a contraction mouth 16 in the upper end of gas passage.The inner surface of gas passage 13 is provided with screw thread, or equidistant annular recess groove is set.Contraction mouth 16 is set, can makes the more convenient air in porch of gas passage 13 enter, strengthen the effect of pneumoperitoneum operation, at the inner surface of gas passage 13, screw thread or annular recess groove 17 are set, further add the rotation effect of air blast, make pneumoperitoneum better effects if.
Certainly; this utility model can also have other various embodiments; in the situation that not deviating from this utility model spirit and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to this utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of this utility model.
Claims (2)
1. the veress needle for obesity laparoscopic surgery, comprise needle tubing, needle tube joint, gas bar, nut, spring, spring base, valve, gas outlet, cotter way, key seat, inner core is taken over, syringe needle, on described gas bar, be provided with gas outlet, gas bar is taken over and is fixedly connected with described inner core, described inner core is taken over and is connected with described key seat, in spring base, be provided with cotter way, described key seat and cotter way tight fit connection, described valve and inner core are taken over clamping, one end of needle tubing is fixedly connected with syringe needle, needle tube joint is fixedly connected with spring base, it is characterized in that, lower end in described needle tubing is provided with slip tapered needle, axis along described slip tapered needle is provided with gas passage, on the cone point sidewall of slip tapered needle, be provided with the injecting hole being connected with gas passage, on the cone point outer wall of slip tapered needle, be provided with sealer, be provided with a contraction mouth in the upper end of gas passage.
2. the veress needle for obesity laparoscopic surgery according to claim 1, is characterized in that, the inner surface of described gas passage is provided with screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420448597.1U CN203988272U (en) | 2014-08-11 | 2014-08-11 | A kind of veress needle for obesity laparoscopic surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420448597.1U CN203988272U (en) | 2014-08-11 | 2014-08-11 | A kind of veress needle for obesity laparoscopic surgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203988272U true CN203988272U (en) | 2014-12-10 |
Family
ID=52028363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420448597.1U Expired - Fee Related CN203988272U (en) | 2014-08-11 | 2014-08-11 | A kind of veress needle for obesity laparoscopic surgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203988272U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109602463A (en) * | 2019-01-30 | 2019-04-12 | 常州安克医疗科技有限公司 | A kind of operation device of single-hole multi-channel |
-
2014
- 2014-08-11 CN CN201420448597.1U patent/CN203988272U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109602463A (en) * | 2019-01-30 | 2019-04-12 | 常州安克医疗科技有限公司 | A kind of operation device of single-hole multi-channel |
| CN109602463B (en) * | 2019-01-30 | 2024-02-09 | 常州安克医疗科技有限公司 | Single-hole multichannel operation device |
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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: 20141210 Termination date: 20150811 |
|
| EXPY | Termination of patent right or utility model |