CN217793218U - Percutaneous puncture needle - Google Patents
Percutaneous puncture needle Download PDFInfo
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- CN217793218U CN217793218U CN202221048200.0U CN202221048200U CN217793218U CN 217793218 U CN217793218 U CN 217793218U CN 202221048200 U CN202221048200 U CN 202221048200U CN 217793218 U CN217793218 U CN 217793218U
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- handle
- groove
- sleeve
- puncture needle
- percutaneous puncture
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Abstract
The application discloses percutaneous puncture needle, the installation structure comprises a sleeve, sheathed tube front end is formed with annular slope, and the tail end is formed with first handle body, the needle body has been inserted in the laminating of sheathed tube inside, the front end of needle body is formed with the pointed body, and the tail end is formed with the second handle body, the tail end of the first handle body is formed with the draw-in groove, the laminating of the second handle body is inserted the draw-in groove, the lateral wall of draw-in groove is concave to be established and is formed with positioning groove, protruding the stretching in one side of the second handle body is formed with the laminating and inserts positioning groove's locator card body, locator card body card is gone into during positioning groove, the lateral wall of pointed body with annular slope's lateral wall keeps level. The utility model overcomes prior art sleeve pipe is difficult to prick the problem of skeleton, can further carry out follow-up threading operation.
Description
Technical Field
The application relates to medical instruments, in particular to a percutaneous puncture needle.
Background
The percutaneous puncture needle is mainly used for the trepanning operation at the beginning of an orthopedic operation and generally comprises a sleeve and a needle body inside the sleeve, and the end face of the sleeve of a general instrument is usually a plane, so that the needle body is easy to puncture bones, but the sleeve is difficult to insert, and the subsequent threading operation is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a percutaneous puncture needle to solve the problems of the prior art.
In order to achieve the above object, the present invention provides the following technical solutions.
The embodiment of the application discloses a percutaneous puncture needle, which comprises a sleeve, wherein an annular slope surface is formed at the front end of the sleeve, a first handle body is formed at the tail end, a needle body is inserted into the inner part of the sleeve in a laminating way, a pointed cone body is formed at the front end of the needle body, a second handle body is formed at the tail end, a clamping groove is formed at the tail end of the first handle body, the second handle body is inserted into the clamping groove in a laminating way, a positioning groove is formed on the side wall of the clamping groove in a concave way, a positioning clamp body inserted into the positioning groove in a laminating way is formed on one side of the second handle body in a protruding way,
when the positioning clamp body is clamped into the positioning groove, the side wall of the pointed cone body is flush with the side wall of the annular slope surface.
Preferably, in the above percutaneous puncture needle, the outer wall of the sheath is formed with graduation marks.
Preferably, in the percutaneous puncture needle, when the positioning clamp body is clamped in the positioning groove, the second handle body abuts against the bottom wall of the clamping groove.
Preferably, in the above percutaneous puncture needle, the needle body passes through the first handle.
Preferably, in the above percutaneous puncture needle, a bottom wall of the notch protrudes to form a luer lock connector connected to the second handle.
Preferably, in the above percutaneous puncture needle, the first shaft has a force applying arc groove formed in a concave manner on each of both sides of the cannula.
Compared with the prior art, the utility model has the advantages of when carrying out the opening operation, through inserting the needle body the sleeve pipe, when connecting stably, the pointed cone body on needle body top continues to extend along annular slope, does not form the plane promptly, and like this when the needle body pricks skeleton back, the sleeve pipe also can prick skeleton inside along annular slope, has overcome the problem that prior art sleeve pipe is difficult to prick skeleton, can further carry out follow-up threading operation.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of a percutaneous needle in an embodiment of the present invention;
FIG. 2 is a partial schematic view of a sleeve according to an embodiment of the present invention;
fig. 3 is an enlarged view of a portion a in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described in detail below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, a percutaneous puncture needle 100 comprises a cannula 101, wherein the front end of the cannula 101 is formed with an annular slope surface 102, the tail end is formed with a first handle 103, a needle body 104 is inserted into the cannula 101 in an attaching manner, the front end of the needle body 104 is formed with a pointed cone 105, the tail end is formed with a second handle 106, the tail end of the first handle 103 is formed with a slot 107, the second handle 106 is inserted into the slot 107 in an attaching manner, a positioning groove 108 is concavely formed on the side wall of the slot 107, a positioning clamp 109 is convexly formed on one side of the second handle 106 in an attaching manner to be inserted into the positioning groove 108,
when the positioning clamp body 109 is clamped into the positioning groove 108, the side wall of the pointed cone body 105 is flush with the side wall of the annular slope surface 102.
In the embodiment, the positioning clamp body is clamped into the positioning groove, the sleeve and the needle body are stably connected, and the bone is pricked at the moment, so that the needle body is convenient to prick due to the tapered shape of the needle body; meanwhile, the sleeve is formed into an annular slope surface, and no plane is used for blocking the sleeve from being continuously inserted, so that the problem that the sleeve is difficult to be inserted into the bone in the prior art is solved, and the subsequent threading operation can be further performed.
Further, the outer wall of the casing 101 is formed with graduation marks 110.
In this embodiment, the depth of penetration into the bone can be read from time to time.
Further, when the positioning clip body 109 is clipped into the positioning groove 108, the second handle body 106 is abutted against the bottom wall of the clipping groove 107.
In this embodiment, the stability of the structure is maintained.
Further, the needle body 104 penetrates the first handle body 103.
Further, the bottom wall of the card slot 107 protrudes to form a luer lock fitting 111 connected to the second handle 106.
In this embodiment, the stability of the connection of the needle body to the cannula is further improved.
Furthermore, the first handle 103 is formed with an urging arc groove 112 on each side of the sleeve 101.
In this embodiment, the operation is facilitated for the operator.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
The foregoing is directed to embodiments of the present application and it is noted that numerous modifications and adaptations may be made by those skilled in the art without departing from the principles of the present application and are intended to be within the scope of the present application.
Claims (6)
1. A percutaneous puncture needle is characterized by comprising a sleeve, wherein an annular slope surface is formed at the front end of the sleeve, a first handle body is formed at the tail end of the sleeve, a needle body is inserted into the sleeve in a fitting manner, a pointed cone body is formed at the front end of the needle body, a second handle body is formed at the tail end of the needle body, a clamping groove is formed at the tail end of the first handle body, the second handle body is inserted into the clamping groove in a fitting manner, a positioning groove is formed at the side wall of the clamping groove in a concave manner, a positioning clamp body inserted into the positioning groove in a fitting manner is formed at one side of the second handle body in a protruding manner,
when the positioning clamp body is clamped into the positioning groove, the side wall of the pointed cone body is flush with the side wall of the annular slope surface.
2. A percutaneous puncture needle according to claim 1, wherein the outer wall of the sleeve is formed with graduation marks.
3. The percutaneous puncture needle according to claim 1, wherein when the positioning clamp body is clamped into the positioning groove, the second handle body abuts against the bottom wall of the clamping groove.
4. The percutaneous puncture needle according to claim 1, wherein the needle body passes through the first handle.
5. A percutaneous puncture needle according to claim 1, wherein a bottom wall of the notch protrudes to form a luer lock connector connected to the second handle.
6. The percutaneous puncture needle according to claim 1, wherein the first shaft is formed with a force application arc groove recessed on each side of the cannula.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202221048200.0U CN217793218U (en) | 2022-05-05 | 2022-05-05 | Percutaneous puncture needle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202221048200.0U CN217793218U (en) | 2022-05-05 | 2022-05-05 | Percutaneous puncture needle |
Publications (1)
Publication Number | Publication Date |
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CN217793218U true CN217793218U (en) | 2022-11-15 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202221048200.0U Active CN217793218U (en) | 2022-05-05 | 2022-05-05 | Percutaneous puncture needle |
Country Status (1)
Country | Link |
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CN (1) | CN217793218U (en) |
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2022
- 2022-05-05 CN CN202221048200.0U patent/CN217793218U/en active Active
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