CN220309527U - Needle dismounting device for Bilan syringe - Google Patents
Needle dismounting device for Bilan syringe Download PDFInfo
- Publication number
- CN220309527U CN220309527U CN202321465340.2U CN202321465340U CN220309527U CN 220309527 U CN220309527 U CN 220309527U CN 202321465340 U CN202321465340 U CN 202321465340U CN 220309527 U CN220309527 U CN 220309527U
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- China
- Prior art keywords
- syringe
- sleeve
- needle
- cavity
- base
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Links
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000002347 injection Methods 0.000 description 17
- 239000007924 injection Substances 0.000 description 17
- 238000000034 method Methods 0.000 description 4
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 238000001949 anaesthesia Methods 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 230000003444 anaesthetic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002690 local anesthesia Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000214 mouth Anatomy 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The present utility model provides a needle remover for a must blue syringe, comprising: the upper cover and the base are connected in a pivoting way, the upper cover and the base are used for splicing a cavity for accommodating the sleeve, one side of the cavity is provided with a first opening surface, and a second opening surface for inserting a needle of a Bilan syringe is arranged at the position of the sleeve corresponding to the first opening surface; the sleeve is in limit fit with the base along the rotation direction of the Biland injector through the cavity, and the needle of the Biland injector is in limit fit with the sleeve along the rotation direction of the Biland injector; so that the needled syringe and needled syringe can be rotated relatively under the action of external force, so that the needled syringe and needled syringe can be removed. The needle disassembling device for the needled syringe is convenient for medical staff to disassemble the needle.
Description
Technical Field
The present utility model relates to medical devices and, more particularly, to a needle remover for a must-lan syringe.
Background
The outpatient department of stomatology often requires local anesthesia in the oral cavity of the patient before treatment, and the anesthetic is a Bilan injection. The injection must be installed in a special syringe for stomatology, and then the special injection needle is connected with the syringe.
The injection needle in the prior art comprises a fixing part, a second connecting end and an injection needle body which are connected with each other, wherein the injection needle body penetrates through the fixing part and the second connecting end, both ends of the injection needle body extend out of the fixing part and the second connecting end, one end of the injection needle body, which is positioned at the fixing part, is a front end, and one end of the injection needle body, which is positioned at the second connecting end, is a tail end. When the injection needle is connected with the injector, the tail end of the injection needle body passes through the first connecting end of the injector and is inserted into the soft rubber plug at the front end of the Bilan injection, and the first connecting end and the second connecting end are in threaded connection, so that the injection needle is connected with the injector.
However, when the injection needle and the syringe are mounted or dismounted, the injection needle and the syringe need to be screwed or unscrewed to complete the operation. Therefore, in the screwing or unscrewing process, the operation is time-consuming, the working efficiency of doctors is affected, the needle is easy to be wrongly needled to the hands of operators by misoperation, and the waste of the needle head and the extension of the operation time are caused after the needle is needled. At present, in the oral surgery process, multiple anaesthesia is needed, and therefore, the injection needle and the syringe are required to be installed and removed multiple times, so that the improvement of the loading and unloading efficiency of the injection needle and the syringe is necessary.
Disclosure of Invention
The utility model aims to solve the main technical problem of providing the syringe needle dismounting device for the must blue, which is convenient for medical staff to dismount the needle.
In order to solve the above technical problem, the present utility model provides a needle detaching device for a needled syringe, comprising: the upper cover and the base are connected in a pivoting way, the upper cover and the base are used for splicing a cavity for accommodating the sleeve, one side of the cavity is provided with a first opening surface, and a second opening surface for inserting a needle of a Bilan syringe is arranged at the position of the sleeve corresponding to the first opening surface;
the sleeve is in limit fit with the base along the rotation direction of the Biland injector through the cavity, and the needle of the Biland injector is in limit fit with the sleeve along the rotation direction of the Biland injector; so that the needled syringe and needled syringe can be rotated relatively under the action of external force, so that the needled syringe and needled syringe can be removed.
In a preferred embodiment: the sleeve is provided with a first conical part, a second conical part and a third cylindrical part;
the second portion is connected between the first portion and the third portion, and the second portion is convex with respect to the first portion and the third portion to form a first ledge and a second ledge.
In a preferred embodiment: the inner wall of the cavity protrudes inwards along the radial direction to form a first limiting surface in limiting fit with the first convex edge; the first stop surface is for limiting the depth of insertion of the sleeve into the chamber.
In a preferred embodiment: the inner wall of the upper cover protrudes inwards along the radial direction to form a second limiting surface matched with the second protruding edge, and the second protruding edge is in limiting fit with the second limiting surface against the direction of inserting the sleeve into the cavity.
In a preferred embodiment: the base is also provided with a movable plate with translational freedom degrees along the insertion direction of the sleeve, and the movable plate is connected with a spring; and when the second convex edge is in limit fit with the second limiting surface, the end surface of the sleeve extrudes the movable plate to accumulate elastic reset force.
In a preferred embodiment: the inner wall of cavity is provided with a plurality of recesses along axial interval, the telescopic outer wall be provided with recess complex rib.
In a preferred embodiment: the bottom of base is provided with the mounting that is used for fixing the base on supporting the mesa.
In a preferred embodiment: the fixing piece is a magnet.
Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:
the utility model provides a syringe needle dismounting device for a must blue syringe, when in use, a needle is only required to be inserted into a sleeve, the sleeve is placed on a base, an upper cover is closed, a second limiting surface of the upper cover can push the sleeve to be inserted inwards so that a first convex edge is matched with a first limiting surface, and at the moment, the sleeve presses a spring through a movable plate to accumulate elastic reset force. At the moment, the sleeve is in limit fit with the base and the upper cover through the ribs and the grooves, and when the must blue syringe is rotated, the must blue syringe and the needle head can rotate relatively, so that the needle head and the must blue syringe are detached. After the disassembly is completed, the user opens the upper cover, and the spring releases elastic restoring force to eject the sleeve, so that the whole disassembly process is completed.
Drawings
FIG. 1 is a perspective view of a preferred embodiment of the present utility model;
FIG. 2 is another angular perspective view of a preferred embodiment of the present utility model;
FIG. 3 is a side view of a preferred embodiment of the present utility model;
FIG. 4 is a cross-sectional view of a preferred embodiment of the present utility model;
FIG. 5 is an open schematic of a preferred embodiment of the present utility model;
FIG. 6 is a cross-sectional view of FIG. 5;
FIG. 7 is an open perspective view of a preferred embodiment of the present utility model;
FIG. 8 is a perspective view of a preferred embodiment of the present utility model in use;
FIG. 9 is another angular perspective view of the preferred embodiment of the present utility model in use;
fig. 10 is a cross-sectional view of a preferred embodiment of the utility model in use.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.
In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements 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 utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," configured to, "" engaged with, "" connected to, "and the like are to be construed broadly, and may be, for example," connected to, "wall-mounted," connected to, removably connected to, or integrally connected to, mechanically connected to, electrically connected to, directly connected to, or indirectly connected to, through an intermediary, and may be in communication with each other between two elements, as will be apparent to those of ordinary skill in the art, in view of the detailed description of the terms herein.
Referring to fig. 1-10, the present embodiment provides a needle removal device for a needled syringe, comprising: the upper cover 1 and the base 2 are connected in a pivoting way, the upper cover 1 and the base 2 are used for splicing a cavity for accommodating the sleeve 3, one side of the cavity is provided with a first opening surface, and a second opening surface for inserting a Bilan syringe needle is arranged at the position of the sleeve 3 corresponding to the first opening surface;
the sleeve 3 is in limit fit with the base 2 along the rotation direction of the Biland syringe 4 through the cavity, and the Biland syringe needle 5 is in limit fit with the sleeve 3 along the rotation direction of the Biland syringe 4; so that the needled syringe 4 and needled syringe 5 are rotated relatively to each other by an external force to detach the needled syringe 5.
Specifically, the sleeve 3 has a first portion 31 that is tapered, a second portion 32 that is frustoconical and a third portion 33 that is cylindrical; the second portion 32 is connected between the first portion 31 and the third portion 33, and the second portion 32 is convex with respect to the first portion 31 and the third portion 33 to form a first convex edge 34 and a second convex edge 35.
The inner wall of the cavity protrudes inwards along the radial direction to form a first limiting surface 21 in limiting fit with the first convex edge 34; the first stop surface 21 serves to limit the depth of insertion of the sleeve 3 into the chamber. The inner wall of the upper cover 1 protrudes inwards along the radial direction to form a second limiting surface 11 matched with the second protruding edge 35, and the second protruding edge 35 is in limiting fit with the second limiting surface 11 along the direction that the sleeve 3 is inserted into the cavity. The base 2 also has a movable plate 22 with translational freedom along the insertion direction of the sleeve 3, the movable plate 22 being connected to a spring 23; when the second protruding edge 35 is in limit fit with the second limit surface 11, the end surface of the sleeve 3 presses the movable plate 22 to accumulate elastic restoring force.
For fixing the sleeve 3, the inner wall of the chamber is provided with a plurality of grooves 12, 24 at intervals along the axial direction, and the outer wall of the sleeve 3 is provided with ribs 36 which cooperate with the grooves 12, 24. The bottom of the base 2 is provided with a fixing member 24 for fixing the base 2 to a support table. In this embodiment, the fixing member 24 is a magnet. It is ensured that the base 2 will not slide accidentally during removal of the needle.
When the dismounting device for the must blue syringe needle 5 is used, the needle is only required to be inserted into the sleeve 3, the sleeve 3 is placed on the base 2, the upper cover 1 is closed, the second limiting surface 11 of the upper cover 1 can push the sleeve 3 to be inserted inwards so that the first convex edge 34 is matched with the first limiting surface 21, and at the moment, the sleeve 3 presses the spring 23 through the movable plate 22 to accumulate elastic reset force. At this time, the sleeve 3 is in limit fit with the base 2 and the upper cover 1 through the ribs 36 and the grooves 12 and 24, and when the must blue syringe 4 is rotated, the must blue syringe 4 and the needle head rotate relatively, so that the needle head and the must blue syringe 4 are detached. After the disassembly is completed, the user opens the upper cover 1, and the spring 23 releases the elastic restoring force, so that the sleeve 3 can be ejected out, and the whole disassembly process is completed.
The foregoing is only a preferred embodiment of the present utility model, but the design concept of the present utility model is not limited thereto, and any person skilled in the art will be able to make insubstantial modifications of the present utility model within the scope of the present utility model disclosed herein by this concept, which falls within the actions of invading the protection scope of the present utility model.
Claims (8)
1. A syringe needle removal device for a must blue syringe, comprising: the upper cover and the base are connected in a pivoting way, the upper cover and the base are used for splicing a cavity for accommodating the sleeve, one side of the cavity is provided with a first opening surface, and a second opening surface for inserting a needle of a Bilan syringe is arranged at the position of the sleeve corresponding to the first opening surface;
the sleeve is in limit fit with the base along the rotation direction of the Biland injector through the cavity, and the needle of the Biland injector is in limit fit with the sleeve along the rotation direction of the Biland injector; so that the needled syringe and needled syringe can be rotated relatively under the action of external force, so that the needled syringe and needled syringe can be removed.
2. The needle remover for a needlepoint syringe of claim 1 wherein: the sleeve is provided with a first conical part, a second conical part and a third cylindrical part;
the second portion is connected between the first portion and the third portion, and the second portion is convex with respect to the first portion and the third portion to form a first ledge and a second ledge.
3. The needle remover for a needlepoint of a needlepoint syringe as claimed in claim 2 and in which: the inner wall of the cavity protrudes inwards along the radial direction to form a first limiting surface in limiting fit with the first convex edge; the first stop surface is for limiting the depth of insertion of the sleeve into the chamber.
4. A needle remover for a needlepoint of a needlepoint syringe as claimed in claim 3 in which: the inner wall of the upper cover protrudes inwards along the radial direction to form a second limiting surface matched with the second protruding edge, and the second protruding edge is in limiting fit with the second limiting surface against the direction of inserting the sleeve into the cavity.
5. The needle remover for a needlepoint of a needlepoint syringe as claimed in claim 4 and in which: the base is also provided with a movable plate with translational freedom degrees along the insertion direction of the sleeve, and the movable plate is connected with a spring; and when the second convex edge is in limit fit with the second limiting surface, the end surface of the sleeve extrudes the movable plate to accumulate elastic reset force.
6. The needle remover for a needled syringe of claim 1, wherein: the inner wall of cavity is provided with a plurality of recesses along axial interval, the telescopic outer wall be provided with recess complex rib.
7. The needle remover for a needled syringe of claim 1, wherein: the bottom of base is provided with the mounting that is used for fixing the base on supporting the mesa.
8. The needle remover for a needled syringe of claim 7, wherein: the fixing piece is a magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321465340.2U CN220309527U (en) | 2023-06-09 | 2023-06-09 | Needle dismounting device for Bilan syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321465340.2U CN220309527U (en) | 2023-06-09 | 2023-06-09 | Needle dismounting device for Bilan syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220309527U true CN220309527U (en) | 2024-01-09 |
Family
ID=89421170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321465340.2U Active CN220309527U (en) | 2023-06-09 | 2023-06-09 | Needle dismounting device for Bilan syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220309527U (en) |
-
2023
- 2023-06-09 CN CN202321465340.2U patent/CN220309527U/en active Active
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| GR01 | Patent grant |