CN205598351U - Puncture needle fixing device - Google Patents
Puncture needle fixing device Download PDFInfo
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- CN205598351U CN205598351U CN201620283363.5U CN201620283363U CN205598351U CN 205598351 U CN205598351 U CN 205598351U CN 201620283363 U CN201620283363 U CN 201620283363U CN 205598351 U CN205598351 U CN 205598351U
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- rotational cylindrical
- puncture needle
- fixing apparatus
- fixed cover
- connecting portion
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Abstract
The utility model belongs to the technical field of medical instrument, especially, relate to a puncture needle fixing device. Including rotating the post, rotate and cup jointed fixed cover on the post, fixedly put the fixedly connected with base plate in, the both sides of base plate are equipped with the pterygoid lamina that parallels with the base plate respectively, are equipped with a plurality of archs in the one side of pterygoid lamina, and the friction surface is formed jointly to the arch, along still being equipped with and rubbing the L shape protection pad of facial features laminating on the upper portion of pterygoid lamina outside. The advantage lies in: the frictional force when arch has increased the contact does benefit to gripping of a pair of wings board, does benefit to the equipment of each parts, and the up end of pad is protected to L shape and the upper end facial features of friction surface flushes, and L shape protection pad has the protective action to the friction surface, and the material of rotation post is the PC material, and material shrinkage is rateed for a short time, and product non -deformable, the big small -size in hole are fit for automated production in unison, and the structure is comparatively simple, whole reasonable in design.
Description
Technical field
This utility model belongs to technical field of medical instruments, especially relates to a kind of fixing apparatus for puncture needle.
Background technology
Common puncture needle fixed-wing is characterized in that by the wing and needle stand integral structure dimerous.Fixed-wing two connects metal needle tubing and plastic flexible pipe respectively, and material is PVC.But existing fixed-wing uses PVC plastic shrinkage factor big due to more, and product became uneven easily causes modification, in the course of processing, endoporus contraction size is difficult to control, and causes automatic machinery contact pin pipe difficulty.Therefore, existing fixed-wing structure is not suitable for automatic machinery production, it is impossible to carry out the production of stable mass.
In order to improve prior art, people have carried out long-term exploration, it is proposed that various solutions.Such as, Chinese patent literature discloses a kind of fixing apparatus for puncture needle [application number: CN201520020044.0], bearing platform, at least three prop up spike, centre bore diameter more than the diameter of puncture hole；The shape of locating slot matches with the profile of puncture needle controller；Each spike can arbitrarily bend, and upper end is connected with the circumference of bearing platform 10；Lower end is connected with sucker；Sucker can be adsorbed on skin.
Although such scheme to some extent solves the deficiencies in the prior art, but structure is complex, and global design is the most reasonable.
Utility model content
The purpose of this utility model is for the problems referred to above, it is provided that a kind of reasonable in design, the fixing apparatus for puncture needle of simple in construction.
For reaching above-mentioned purpose, this utility model have employed following technical proposal: this fixing apparatus for puncture needle, it is characterized in that, including Rotational Cylindrical, described Rotational Cylindrical is socketed with fixed cover, described fixed cover is fixedly connected with substrate, described substrate be respectively provided on two sides with the wing plate paralleled with substrate, the one side of described wing plate is provided with some projections, and described projection collectively constitutes rubbing surface, and the outer, top of described wing plate is additionally provided with the L-shaped protective pad fitted with rubbing surface.Frictional force when projection adds contact, being beneficial to the gripping to wing plate, the beneficially assembling of all parts, the upper surface of L-shaped protective pad flushes with the upper surface of rubbing surface, L-shaped protective pad has protective action for rubbing surface, the material of Rotational Cylindrical is PC material, and Material shrinkage rate is little, and product is unlikely to deform, hole size size is unified, being suitable for automated production, structure is relatively simple, and global design is reasonable.
In above-mentioned fixing apparatus for puncture needle, described projection is pyramid.Pyramid-shaped structures distribution is more uniform, beneficially processing, and beneficially foreign object is absorbed in increase contact surface, thus increasing friction force.
In above-mentioned fixing apparatus for puncture needle, the outer wall of described Rotational Cylindrical is provided with some positioning convex strips, and described positioning convex strip is uniformly distributed around Rotational Cylindrical circumference.
In above-mentioned fixing apparatus for puncture needle, the inwall of described fixed cover has some and positioning convex strip detent one to one, and fixed cover is circumferentially fixed relative to Rotational Cylindrical when positioning convex strip inserts in detent.Fixed form is relatively simple, is beneficial to operation, and fixing the most firm.
In above-mentioned fixing apparatus for puncture needle, having cavity in described Rotational Cylindrical, one end of described Rotational Cylindrical is connected with needle tubing connecting portion, and the other end of Rotational Cylindrical is connected with hose transition.
In above-mentioned fixing apparatus for puncture needle, described needle tubing connecting portion is provided with some elongated protruding stricture of vaginas, and described protruding stricture of vagina is uniformly distributed around needle tubing connecting portion circumference.Protruding stricture of vagina is beneficial to the gripping of needle tubing connecting portion.
In above-mentioned fixing apparatus for puncture needle, described needle tubing connecting portion is connected with needle tubing, and described hose transition is connected with flexible pipe.
Compared with prior art, the advantage of this fixing apparatus for puncture needle is:
First, frictional force when projection adds contact, it is beneficial to the gripping to wing plate, it is beneficial to the assembling of all parts, the upper surface of L-shaped protective pad flushes with the upper surface of rubbing surface, and L-shaped protective pad has protective action for rubbing surface, and the material of Rotational Cylindrical is PC material, Material shrinkage rate is little, product is unlikely to deform, and hole size size is unified, is suitable for automated production, structure is relatively simple, and global design is reasonable.
Second, pyramid-shaped structures distribution is more uniform, beneficially processing, and beneficially foreign object is absorbed in increase contact surface, thus increasing friction force.
3rd, when positioning convex strip inserts in detent, fixed cover is circumferentially fixed relative to Rotational Cylindrical, and fixed form is relatively simple, is beneficial to operation, and fixing the most firm.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the partial enlarged drawing that this utility model provides.
Fig. 2 is the structural representation that this utility model provides.
In figure, Rotational Cylindrical 1, fixed cover 2, substrate 3, wing plate 4, projection 5, L-shaped protective pad 6, flexible pipe 7, protruding stricture of vagina 8, needle tubing connecting portion 9, hose transition 10.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
As shown in Figure 1-2, this fixing apparatus for puncture needle includes Rotational Cylindrical 1, fixed cover 2 it is socketed with in Rotational Cylindrical 1, substrate 3 it is fixedly connected with on fixed cover 2, substrate 3 be respectively provided on two sides with the wing plate 4 paralleled with substrate 3, the one side of wing plate 4 is provided with some protruding 5, protruding 5 and collectively constitutes rubbing surface, and the outer, top of wing plate 4 is additionally provided with the L-shaped protective pad 6 fitted with rubbing surface.Frictional force when projection 5 adds contact, being beneficial to the gripping to wing plate 4, the beneficially assembling of all parts, the upper surface of L-shaped protective pad 6 flushes with the upper surface of rubbing surface, L-shaped protective pad 6 has protective action for rubbing surface, the material of Rotational Cylindrical 1 is PC material, and Material shrinkage rate is little, and product is unlikely to deform, hole size size is unified, being suitable for automated production, structure is relatively simple, and global design is reasonable.
Wherein, protruding 5 is pyramid.Pyramid-shaped structures distribution is more uniform, beneficially processing, and beneficially foreign object is absorbed in increase contact surface, thus increasing friction force.Improving as one, the outer wall of Rotational Cylindrical 1 is provided with some positioning convex strips, and positioning convex strip is uniformly distributed around Rotational Cylindrical 1 circumference.Have some and positioning convex strip detent one to one on the inwall of fixed cover 2, and fixed cover 2 is circumferentially fixed relative to Rotational Cylindrical 1 when positioning convex strip inserts in detent.Fixed form is relatively simple, is beneficial to operation, and fixing the most firm.More specifically, having cavity in Rotational Cylindrical 1, one end of Rotational Cylindrical 1 is connected with needle tubing connecting portion 9, and the other end of Rotational Cylindrical 1 is connected with hose transition 10.Improving as one, needle tubing connecting portion 9 is provided with some elongated protruding stricture of vaginas 8, and protruding stricture of vagina 8 is uniformly distributed around needle tubing connecting portion 9 circumference.Protruding stricture of vagina 8 is beneficial to the gripping of needle tubing connecting portion 9.Needle tubing connecting portion 9 is connected with needle tubing, and hose transition 10 is connected with flexible pipe 7.
The foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (7)
1. a fixing apparatus for puncture needle, it is characterized in that, including Rotational Cylindrical (1), it is socketed with fixed cover (2) in described Rotational Cylindrical (1), it is fixedly connected with substrate (3) on described fixed cover (2), described substrate (3) be respectively provided on two sides with the wing plate (4) paralleled with substrate (3), the one side of described wing plate (4) is provided with some projections (5), described projection (5) collectively constitutes rubbing surface, and the outer, top of described wing plate (4) is additionally provided with the L-shaped protective pad (6) fitted with rubbing surface.
Fixing apparatus for puncture needle the most according to claim 1, it is characterised in that described projection (5) is pyramid.
Fixing apparatus for puncture needle the most according to claim 2, it is characterised in that the outer wall of described Rotational Cylindrical (1) is provided with some positioning convex strips, described positioning convex strip is uniformly distributed around Rotational Cylindrical (1) circumference.
Fixing apparatus for puncture needle the most according to claim 3, it is characterized in that, have some and positioning convex strip detent one to one on the inwall of described fixed cover (2), and fixed cover (2) is circumferentially fixed relative to Rotational Cylindrical (1) when positioning convex strip inserts in detent.
5. according to the fixing apparatus for puncture needle described in claim 1 or 2 or 3 or 4, it is characterized in that, having cavity in described Rotational Cylindrical (1), one end of described Rotational Cylindrical (1) is connected with needle tubing connecting portion (9), and the other end of Rotational Cylindrical (1) is connected with hose transition (10).
Fixing apparatus for puncture needle the most according to claim 5, it is characterised in that described needle tubing connecting portion (9) is provided with some elongated protruding stricture of vaginas (8), described protruding stricture of vagina (8) is uniformly distributed around needle tubing connecting portion (9) circumference.
Fixing apparatus for puncture needle the most according to claim 6, it is characterised in that described needle tubing connecting portion (9) is connected with needle tubing, described hose transition (10) is connected with flexible pipe (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620283363.5U CN205598351U (en) | 2016-04-07 | 2016-04-07 | Puncture needle fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620283363.5U CN205598351U (en) | 2016-04-07 | 2016-04-07 | Puncture needle fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205598351U true CN205598351U (en) | 2016-09-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620283363.5U Active CN205598351U (en) | 2016-04-07 | 2016-04-07 | Puncture needle fixing device |
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| Country | Link |
|---|---|
| CN (1) | CN205598351U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108523971A (en) * | 2018-06-29 | 2018-09-14 | 王帅涵 | A kind of puncture needle butterfly wing structure |
-
2016
- 2016-04-07 CN CN201620283363.5U patent/CN205598351U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108523971A (en) * | 2018-06-29 | 2018-09-14 | 王帅涵 | A kind of puncture needle butterfly wing structure |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |