CN201404275Y - Anti-cutting guide type puncture needle - Google Patents
Anti-cutting guide type puncture needle Download PDFInfo
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- CN201404275Y CN201404275Y CN2009200551615U CN200920055161U CN201404275Y CN 201404275 Y CN201404275 Y CN 201404275Y CN 2009200551615 U CN2009200551615 U CN 2009200551615U CN 200920055161 U CN200920055161 U CN 200920055161U CN 201404275 Y CN201404275 Y CN 201404275Y
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- needle
- puncture needle
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- guide type
- needle body
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Abstract
The utility model relates to an anti-cutting guide type puncture needle. A opening has the guide property and is formed on one side at the head end of the working section of a needle body; a wing panel-shaped indicative mark and an edge-shaped bulge identical with the direction of the opening at the head of the needle are arranged at a holding section at the tail part of the needle to facilitate the guidance during the operation and simultaneously enhance the holding easy use and comfort. The anti-cutting guide type puncture needle can effectively prevent organization cutting and damage duringthe puncture, facilitate a guide wire to go ahead towards the predetermined direction, prevent the guide wire from being reservedly folded and inserted in the damaged position on the rear wall of a blood conduit formed by a needlepoint, and also prevent the guide wire from being cut, damaged and broken, thereby enhancing the easy use and comfort and ensuring clear guidance.
Description
Technical field
This utility model relates to the interventional medicine field, is specifically related to the sting device of promoting the circulation of blood pipe puncture, mainly is applicable to percutaneous vascular puncture art, but also expanded application in the paracentesis of other tracts.
Background technology
Percutaneous puncture (percutaneous puncture) is meant puncture needle directly through skin puncture and equipment such as conduit is introduced the practical technique of blood vessel, internal organs of the body or lacuna.Wherein the percutaneous vascular puncture technology of being founded in nineteen fifty-three by the Seldinger of Swede is called as the Seldinger technology, and the later percutaneous puncture technology to internal organs of the body or lacuna also is based upon on the Seldinger technical foundation.The Seldinger technology is used puncture needle, seal wire and conduit, need not to cut and the ligation blood vessel, has simplified operation greatly, reduced danger, the advantage simple, that grasp easily that possesses skills can not cause nonvolatil wound to blood vessel, can carry out puncture procedure repeatedly through same position repeatedly.
Puncture needle is the indispensable apparatus of percutaneous puncture, and at present commercially available puncture needle specification and style are various, but its needlepoint form all is needle tubing to be cut into sharp-pointed inclined-plane form.Its needle point fabrication and processing is fairly simple, but in the process of puncture, sharp-pointed inclined-plane will cause the tubulose cutting to tissue on the way, form bigger wound.The piece of tissue that cuts down may be blocked puncture needle and conduit, or causes the thromboembolism of blood vessel at a distance.In order to reduce wound or to avoid the problems referred to above, present solution has: be equipped with the nook closing member (this also is the applied way of classical Seldinger technology) that conforms to the puncture needle inner chamber, or dwindle the diameter of puncture needle.
Yet the way that is equipped with nook closing member is all more loaded down with trivial details in apparatus processing and clinical practice operation; And the diameter that dwindles puncture needle is also limited, and needs corresponding tiny seal wire as supporting, and is also not simple and clear in operation.And the problem that above-mentioned two kinds of ways cann't be solved also has: because the pin chamber is straight, when puncture needle was introduced, seal wire might directly penetrate the blood vessel rear wall or advances under inner membrance along the needle point direction at seal wire; Simultaneously, damage even fracture also may be taken place by sharp-pointed inclined-plane cutting in seal wire in the process of inserting through pin hole.
Operation for convenience, commercially available puncture needle has produced multiple different design in the backshank section of controlling at present: as be equipped with movable or fixed horizontal wing plate, prolong and control segment length or increase coarse striped etc.In order to show the direction of pinpoint inclined plane, design little cutting at tail end usually.But in actual applications, above-mentioned design is each defectiveness still, controls and still owes convenient.Particularly the little cutting of backshank shows unintelligible, not eye-catching.
Therefore, provide a kind of tissue cutting damage that can effectively prevent in the piercing process, it is necessary operating simple and clear puncture needle real.
Summary of the invention
In view of the existing in prior technology deficiency, the purpose of this utility model provides a kind of anti-cutting guide type puncture needle, and this device can prevent the tissue cutting damage in the piercing process effectively, and operation is simple and clear; A purpose more of the present utility model provides a kind ofly controls convenient and puncture needle is clearly pointed in operation.
This utility model realizes that the technical scheme of above-mentioned purpose is:
A kind of anti-cutting guide type puncture needle is provided, it comprises needle body active section and the backshank section of controlling two parts, the main part of this needle body active section is the pipe shape, be penetrated with endoporus in this needle body active section and the backshank section of controlling, the described backshank section of controlling can be extended also along endoporus by the main part rear end body of needle body active section, and the outward radial expansion forms, perhaps but this backshank section of controlling suit and be fixed on needle body active section rear end also can adopt other known similar method that is connected and fixed.
This needle body active section front end is solid conical, is provided with perforate at the pipe shape main part of needle body active section near a side of solid conical front end, and this perforate continues mutually with the endoporus tract.As preferred embodiment, this perforate operated by rotary motion is in the pipe shape main part and solid conical front end intersection one side of needle body active section, the slick and sly natural transition of its perforate periphery.Inwall in the relative perforate of the pipe shape main part of needle body active section is the circular arc spigot surface, can effectively guide seal wire to advance to the perforate of puncture needle side.
This backshank section of controlling is provided with the wing plate consistent with the perforate direction of needle body active section, is convenient to the guiding in the operating process; The both sides that are positioned at wing plate on the backshank section of controlling further are provided with flank, so that control.Wing plate can clear and definite pointer body running section the perforate direction, handled easily, and can be by increasing indicative marks such as eye-catching its model of sign of character or figure, manufacturer.Be ease for use and the comfortableness that enhancing is controlled, the flank on these both sides can be an asymmetrical design.The size of this wing plate and flank and shape can change, according to the practical application setting.
This needle body active section adopts hard metal or has the other materials making of similar physical properties, and the backshank section of controlling adopts material such as medical rigid plastics, resin, also can adopt with the needle body similar material and make.
Anti-cutting guide type puncture needle described in the utility model is mainly used in vascular puncture, also can be used for the paracentesis of other tracts, it is conical sharp-pointed that its tip is, be more convenient for puncturing, and because the slick and sly natural transition of its perforate periphery, avoided again in piercing process to the cutting damage of body tissue and to inserting the cutting damage of seal wire, and because its needle body active section in head end one side opening, and has guidance quality.Its backshank section of controlling design has wing Warning Mark consistent with syringe needle perforate direction and rib shape projection, is convenient to the guiding in the operating process, has also strengthened the ease for use and the comfortableness of controlling simultaneously.
By top description as seen, this utility model puncture needle has following advantage than prior art:
1, the particular design of needle body active section can prevent the tissue cutting damage in the piercing process effectively;
2, guide type one STH is beneficial to seal wire and advances to predetermined direction, and prevents the seal wire opisthotonos and insert the formed blood vessel rear wall of needle point injury region;
3, the perforate edge is designed to slick and sly formula, can prevent that seal wire is cut Damage and Fracture;
4, the design of the backshank section of controlling has increased ease for use and comfortableness, and it is clear to point to, and can be the doctor and distinguishes that needle point hole direction and puncture needle model facilitate.
Description of drawings
Fig. 1 is the structural representation of the anti-cutting of this utility model guide type puncture needle embodiment;
Fig. 2 is the structure side view of the anti-cutting of this utility model guide type puncture needle embodiment;
Fig. 3 is an A-A cutaway view among Fig. 2;
Fig. 4 is the tail end shape sketch map of the anti-cutting of this utility model guide type puncture needle;
Fig. 5 is the application reference figure of the anti-cutting of this utility model guide type puncture needle.
The specific embodiment
See also Fig. 1 and Fig. 2, the anti-cutting of this utility model guide type puncture needle comprises needle body active section 1 and the backshank section of controlling 2 two parts, this needle body active section 1 constitutes for hard metal, main part is elongated pipe shape, be penetrated with endoporus 12 in this needle body active section 1 and the backshank section of controlling 2, endoporus 12 runs through the axle center of total length.
The front end of this needle body active section 1 is solid conical, most advanced and sophisticated sharp-pointed, side at the pipe shape main part of needle body active section 1 and the intersection of solid conical front end 11 (being pipe shape main part begins place from constriction to the solid conical front end) is provided with perforate 13, the blunt circle of periphery is smooth, and this perforate 13 continues mutually with endoporus 12 tracts.Inwall in the relative perforate 13 of the pipe shape main part of needle body active section 1 is a circular arc spigot surface 14, can effectively guide the puncture needle seal wire to the side perforate advance.
This backshank section of controlling 2 fuses with the rear end of needle body active section 1, its shape is seen Fig. 1～shown in Figure 3, there is the duct that is connected with needle body active section 1 in its axle center, and radial dilatation endways, form direct a mouthful 23 of being connected with straight mouthful syringe, end is provided with the plate-like winglet 24 of deformation, as shown in Figure 4, conveniently is connected with the screw socket syringe.In the inclined to one side front portion of the backshank section of controlling 2, design has the wing plate 21 consistent with perforate 13 directions of needle body active section 1, is the rectilinear wing Warning Mark of similar aircraft tail, is convenient to the guiding in the operating process; Control for being more convenient for, the both sides that are positioned at wing plate simultaneously on the backshank section of controlling further are provided with flank 22, and this flank 22 is a horizontal rib shape projection as shown in the figure.And can be on wing plate 21 reference character or figure, strengthened the comfortableness of controlling, also be convenient to the guiding of doctor in operating process and the easy relevant information of acquisition and product and model simultaneously.Control custom for more meeting, the flank on these both sides can be an asymmetrical design.The size of this wing plate and flank and shape all can change, according to the practical application setting.
See also Fig. 1～3, the length of the described puncture needle of present embodiment can change according to different purposes with thickness.As angiographic neeclle, operate portions length is advisable with 60-90mm, handle part length is advisable with 25-50mm, pinhole diameter adapts with present commercially available general seal wire external diameter, generally be no more than 1mm and meet respective standard, external diameter then needs according to the processing of material and pin hole thickness and decide, and forms series in accordance with general standard model.Operate portions adopts rustless steel or similar hard metal manufacturing, and handle part is then selected rigid plastics, resin or other versatile material manufacturings for use.
Anti-cutting guide type puncture needle described in the utility model mainly is applicable to the vascular puncture art, but also expanded application in the paracentesis of its hetero-organization and tract.See also Fig. 5, during puncture procedure, should insert target blood at a certain angle by solid conical front end 11 by the anti-needle body active section 1 that cuts the guide type puncture needle, after needle point perforate 13 arrived lumen of vessels, blood can spray from the backshank end by 12 tracts from pin hole along endoporus.Can insert seal wire 3 this moment from the backshank hole, because the guide effect of circular arc spigot surface 14, seal wire 3 can successfully be derived to target direction along perforate 13, can not enter needle point wound surface intravasation rear wall and form new damage, or cause the error of operation.The wing plate 21 of the backshank section of controlling 2 and the design of flank 22 are for direction indication and conveniently control and will play better action.
Claims (5)
1, a kind of anti-cutting guide type puncture needle, it comprises needle body active section (1) and the backshank section of controlling (2) two parts, the main part of this needle body active section (1) is the pipe shape, be penetrated with endoporus (12) in this needle body active section (1) and the backshank section of controlling (2), it is characterized in that, this needle body active section (1) front end (11) is solid conical, be provided with perforate (13) at the pipe shape main part of needle body active section (1) near a side of solid conical front end (11), this perforate (13) continues mutually with endoporus (12) tract.
2, anti-cutting guide type puncture needle as claimed in claim 1 is characterized in that, is circular arc spigot surface (14) at the inwall of the relative perforate of the pipe shape main part of needle body active section (1).
3, anti-cutting guide type puncture needle as claimed in claim 2 is characterized in that, this backshank section of controlling (2) is provided with the wing plate (21) consistent with perforate (13) direction of needle body active section (1).
4, anti-cutting guide type puncture needle as claimed in claim 3 is characterized in that, the both sides that are positioned at wing plate (21) on the backshank section of controlling (2) are provided with flank (22).
5, anti-cutting guide type puncture needle as claimed in claim 4 is characterized in that the flank on these both sides (22) is an asymmetrical design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200551615U CN201404275Y (en) | 2009-04-22 | 2009-04-22 | Anti-cutting guide type puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200551615U CN201404275Y (en) | 2009-04-22 | 2009-04-22 | Anti-cutting guide type puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201404275Y true CN201404275Y (en) | 2010-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200551615U Expired - Fee Related CN201404275Y (en) | 2009-04-22 | 2009-04-22 | Anti-cutting guide type puncture needle |
Country Status (1)
| Country | Link |
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| CN (1) | CN201404275Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105662554A (en) * | 2016-03-25 | 2016-06-15 | 中国人民解放军第四军医大学 | Puncture positioning guider, puncture positioning device and using methods thereof |
| CN108903940A (en) * | 2018-07-17 | 2018-11-30 | 苏州昶彭知识产权运营有限公司 | A kind of concentric circles pin electrode |
| CN108938055A (en) * | 2018-07-19 | 2018-12-07 | 北京大学第三医院 | A kind of central vein puncture needle |
| CN110279454A (en) * | 2019-07-11 | 2019-09-27 | 上海市肺科医院 | A kind of ultrasound guidance erector spinae plane retardance puncture and intubation device and the injection method using the device |
-
2009
- 2009-04-22 CN CN2009200551615U patent/CN201404275Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105662554A (en) * | 2016-03-25 | 2016-06-15 | 中国人民解放军第四军医大学 | Puncture positioning guider, puncture positioning device and using methods thereof |
| CN105662554B (en) * | 2016-03-25 | 2018-06-19 | 中国人民解放军第四军医大学 | Needle localization guiding device, puncture positioning device and its application method |
| CN108903940A (en) * | 2018-07-17 | 2018-11-30 | 苏州昶彭知识产权运营有限公司 | A kind of concentric circles pin electrode |
| CN108938055A (en) * | 2018-07-19 | 2018-12-07 | 北京大学第三医院 | A kind of central vein puncture needle |
| CN108938055B (en) * | 2018-07-19 | 2021-05-28 | 北京大学第三医院 | Central venous puncture needle |
| CN110279454A (en) * | 2019-07-11 | 2019-09-27 | 上海市肺科医院 | A kind of ultrasound guidance erector spinae plane retardance puncture and intubation device and the injection method using the device |
| CN110279454B (en) * | 2019-07-11 | 2024-05-28 | 上海市肺科医院 | Puncture catheter-placing device for blocking erector spinal muscle plane under ultrasonic guidance and drug injection method using same |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100217 Termination date: 20110422 |