CN215779108U - General handle structure of ophthalmic scalpel - Google Patents
General handle structure of ophthalmic scalpel Download PDFInfo
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- CN215779108U CN215779108U CN202121644250.0U CN202121644250U CN215779108U CN 215779108 U CN215779108 U CN 215779108U CN 202121644250 U CN202121644250 U CN 202121644250U CN 215779108 U CN215779108 U CN 215779108U
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- handle
- scalpel
- protective shell
- outer protective
- sliding sleeve
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Abstract
The utility model discloses a universal handle structure of an ophthalmic scalpel, which comprises a scalpel handle and a protective sleeve, wherein the protective sleeve comprises an outer protective shell, the outer protective shell is in a long cylinder shape, openings are formed at two ends of the outer protective shell, a sliding sleeve is arranged in an inner cavity of the outer protective shell, a scalpel head storage cavity is reserved at one side of the sliding sleeve, the sliding sleeve is fixedly connected with the inner wall of the outer protective shell, a through hole is formed in the sliding sleeve, the through hole is flush with the openings at the two ends of the outer protective shell and is sleeved outside the scalpel handle in a sliding manner, the protective sleeve is formed by combining the outer protective shell and the sliding sleeve, a plurality of ophthalmic scalpel heads can be wrapped by utilizing the sufficient inner cavity space of the outer protective shell, the scalpel head and the scalpel handle can be replaced and used by connecting the scalpel head and the scalpel handle through a detachable structure, the recycling of the handle is further realized, the use and management cost is reduced, and the sliding sleeve slides back and forth along the scalpel handle, avoid the in-process of opening and shutting and the interference of tool bit, structural design is ingenious, convenient to use.
Description
Technical Field
The utility model relates to the field of ophthalmic scalpels, in particular to a universal handle structure of an ophthalmic scalpels.
Background
Ophthalmic surgery includes cataract surgery, glaucoma operation and glass cutting operation, etc., doctors need to puncture eye tissues in the operation, incision and cut off, etc., corresponding scalpel with different-shape knife heads such as puncture knife, tunnel knife, flaring knife, etc. also need to be used, at present, these ophthalmic scalpels are mostly disposable, consist of the same plastic handle and different knife heads, throw away after using, it is very extravagant, and mostly have no protective sheath structure, naked knife head easily causes danger, also easily be polluted, because the knife head has different shapes and sizes, produce the protective sheath to different knife heads, also can lead to production and administrative cost higher.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a universal sleeve handle structure of an ophthalmic scalpel, which can be matched with ophthalmic scalpel heads of various types and sizes, replace the scalpel heads, recycle the sleeve handle and reduce the use and management cost.
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model relates to a universal sleeve handle structure of an ophthalmic scalpel, which comprises a scalpel handle and a protective sleeve, wherein a scalpel head is fixed at one end of the scalpel handle, the protective sleeve comprises an outer protective shell, the outer protective shell is in a long cylinder shape, openings are formed in two ends of the outer protective shell, a sliding sleeve is arranged in an inner cavity of the outer protective shell, a scalpel head storage cavity is reserved in one side of the sliding sleeve, the sliding sleeve is fixedly connected with the inner wall of the outer protective shell, a through hole is formed in the sliding sleeve, the through hole is parallel to the openings in the two ends of the outer protective shell and is sleeved outside the scalpel handle in a sliding mode, and corresponding limiting structures are arranged at the two ends of the through hole and the two ends of the scalpel handle.
As a preferable technical scheme of the utility model, the sliding sleeve is provided with a guide groove, and the side surface of the knife handle is provided with a guide sliding block matched with the guide groove.
As a preferable technical solution of the present invention, a window is provided on a side surface of the outer protective shell.
As a preferred technical scheme of the utility model, the knife handle and the protective sleeve are both made of plastic materials.
As a preferred technical scheme, the limiting structure comprises two groups of matched annular grooves and annular protrusions, the annular grooves are formed in the inner wall of the through hole, and the annular protrusions are arranged at the two ends of the knife handle.
As a preferable technical scheme of the utility model, the knife handle is detachably and fixedly connected with the knife head.
As a preferable technical scheme of the utility model, the end part of the knife handle is provided with an external thread, and the knife handle is fixedly connected with the knife head through the thread.
Compared with the prior art, the utility model has the following beneficial effects:
the protective sleeve structure is formed by combining the outer protective shell and the sliding sleeve, the sliding sleeve is sleeved on the outer side of the knife handle, the sufficient inner cavity space of the outer protective shell is utilized, various ophthalmic surgical knife heads can be wrapped and protected from being polluted, the knife heads and the knife handle are connected through the detachable structure, the sleeve handle can be replaced and used by different types of scalpels with different sizes, the cyclic recycling of the sleeve handle is further realized, resources are saved, the use and management cost is reduced, meanwhile, the sliding sleeve slides forwards and backwards along the knife handle to realize covering, the interference with the knife heads in the opening and closing process is effectively avoided, the limiting is carried out through the buckle structure formed by the two pairs of annular grooves and the annular protrusions, the structural design is ingenious, and the use is convenient.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic view of various series of blade configurations for an ophthalmic scalpel;
FIG. 2 is a sectional view of the present invention;
FIG. 3 is a schematic view of a cutaway configuration of the protective sleeve of the present invention;
FIG. 4 is a schematic view of the overall split structure of the present invention;
in the figure: 1. a knife handle; 2. a protective sleeve; 3. an outer protective shell; 4. a sliding sleeve; 5. a cutter head storage cavity; 6. a through hole; 7. a limiting structure; 8. a guide groove; 9. a guide slider; 10. windowing; 11. a ring groove; 12. the ring is convex; 13. and (4) external threads.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation. Wherein like reference numerals refer to like parts throughout.
In addition, if a detailed description of the known art is not necessary to show the features of the present invention, it is omitted. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Example 1
As shown in fig. 1-4, the utility model provides a general handle structure of an ophthalmic scalpel, which comprises a handle 1 and a protective sleeve 2, wherein a scalpel head is fixed at one end of the handle 1, the protective sleeve 2 comprises an outer protective shell 3, the outer protective shell 3 is in a long cylinder shape, openings are formed in two ends of the outer protective shell, a sliding sleeve 4 is arranged in an inner cavity of the outer protective shell 3, a scalpel head storage cavity 5 is reserved at one side of the sliding sleeve 4, the sliding sleeve 4 is fixedly connected with the inner wall of the outer protective shell 3, a through hole 6 is formed in the sliding sleeve 4, the through hole 6 is parallel to the openings in the two ends of the outer protective shell 3, the sliding sleeve is arranged on the outer side of the handle 1, and corresponding limiting structures 7 are arranged at two ends of the through hole 6 and two ends of the handle 1.
Furthermore, a guide groove 8 is formed in the sliding sleeve 4, and a guide sliding block 9 matched with the guide groove 8 is arranged on the side face of the knife handle 1 to guide the sliding of the protective sleeve 2 on the knife handle 1 and prevent the relative rotation of the protective sleeve.
The side face of the outer protective shell 3 is provided with a window 10, and fingers are placed on the window 10, so that force can be applied to the protective sleeve 2 conveniently, and the protective sleeve can be relieved from limiting or can slide.
The knife handle 1 and the protective sleeve 2 are both made of plastic materials, and production and manufacturing costs are low.
Limiting structure 7 includes two sets of matched with annular 11 and ring 12, annular 11 sets up on the inner wall of through-hole 6, ring 12 sets up in the both ends of handle of a knife 1, annular 11 forms detachable plastics buckle structure with the cooperation of ring 12, when not using, slide protective sheath 2 to the tool bit end, annular 11 and the protruding 12 locks of ring that are close to the tool bit are fixed, make the tool bit place just and deposit the chamber 5 in the tool bit, by 3 parcel protections of outer protective housing, when needing to use, promote protective sheath 2 backward with the hand, buckle structure opens, protective sheath 2 slides towards the tail end, annular 11 and the protruding 12 locks of ring up to the tail end are fixed, expose tool bit and partial handle of a knife 1.
Handle of a knife 1 and the detachable fixed connection of tool bit can be dismantled the tool bit, replace the tool bit of other shapes, and the same cover handle structure of recycling is more economical and practical.
The end part of the knife handle 1 is provided with an external thread 13, the knife handle 1 is fixedly connected with the knife head through threads, and the disassembly, assembly and replacement are easy.
When the scalpel is used, prepare each different types of scalpel heads of different sizes and a general handle structure, hold handle of a knife 1 with the hand, 10 positions of windowing are pressed to the thumb and the application of force backward can be with protective sheath 2 backward slide, expose the external screw thread 13 of tip, the tool bit that will use is screwed up and is fixed to handle of a knife 1, then promote protective sheath 2 forward and slide along guide way 8, it is fixed to make annular groove 11 and the protruding 12 gomphosis of ring near the tool bit end, the tool bit falls into the inside that the chamber 5 was deposited to the tool bit, by the protection of 3 parcels of outer protective housing, place for use, promote protective sheath 2 backward during the operation, open the limit structure 7 near the tool bit end, slide to the tail end all the time, it is fixed through the annular groove 11 and the protruding 12 gomphosis of ring near the tail end, it can use to expose tool bit and handle of a knife 1.
The utility model can wrap various shapes of ophthalmic surgical knife heads through the inner cavity of the outer protective shell 3, the protective sleeve 2 can slide back and forth along the handle 1 by the sliding sleeve 4 which is sleeved outside the handle 1 in a sliding way, the protective sleeve 2 can slide back and forth along the handle 1 without being taken down when in use, the interference between the protective sleeve 2 and the tool bit can be effectively avoided, a buckle structure is formed by the matching of the annular groove 11 and the annular projection 12, the protective sleeve 2 is limited at the two ends of the knife handle 1, the use is simple and convenient, the sliding and the fixing are flexible, the sliding guide is provided by the matching of the guide groove 8 and the guide slide block 9, the relative positions of the protective sleeve 2 and the knife handle 1 are always consistent, through detachable fixed tool bit of helicitic texture, make same cover handle can change the tool bit of using different, face the tool bit of numerous different grade types and size, the rational utilization resource saves production and administrative cost.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A universal handle structure of an ophthalmic scalpel comprises a handle (1) and a protective sleeve (2), wherein a scalpel head is fixed at one end of the handle (1), it is characterized in that the protective sleeve (2) comprises an outer protective shell (3), the outer protective shell (3) is in a long cylinder shape, and both ends are provided with openings, the inner cavity of the outer protective shell (3) is provided with a sliding sleeve (4), a cutter head storage cavity (5) is reserved on one side of the sliding sleeve (4), the sliding sleeve (4) is fixedly connected with the inner wall of the outer protective shell (3), a through hole (6) is arranged in the sliding sleeve (4), the through hole (6) is flush with openings at two ends of the outer protective shell (3), and the outer side of the knife handle (1) is sleeved with the sliding sleeve, and the two ends of the through hole (6) and the two ends of the knife handle (1) are provided with corresponding limiting structures (7).
2. The general handle structure of the ophthalmic scalpel according to claim 1, wherein the sliding sleeve (4) is provided with a guide groove (8), and the side surface of the scalpel handle (1) is provided with a guide slider (9) matched with the guide groove (8).
3. Universal handle structure for ophthalmic scalpels, according to claim 1, characterized in that the side of the protective shell (3) is provided with a fenestration (10).
4. The universal handle structure of the ophthalmic scalpel according to claim 1, wherein the handle (1) and the protective sheath (2) are made of plastic.
5. The general handle structure of the ophthalmic scalpel according to claim 4, wherein the limiting structure (7) comprises two sets of annular grooves (11) and annular protrusions (12) which are matched with each other, the annular grooves (11) are arranged on the inner wall of the through hole (6), and the annular protrusions (12) are arranged at two ends of the scalpel handle (1).
6. The universal handle structure of an ophthalmic scalpel according to claim 1, wherein the handle (1) is detachably and fixedly connected with the scalpel head.
7. The universal handle structure of the ophthalmic scalpel according to claim 6, wherein an external thread (13) is arranged at one end of the scalpel handle (1), and the scalpel handle (1) is fixedly connected with the scalpel head through a thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121644250.0U CN215779108U (en) | 2021-07-20 | 2021-07-20 | General handle structure of ophthalmic scalpel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121644250.0U CN215779108U (en) | 2021-07-20 | 2021-07-20 | General handle structure of ophthalmic scalpel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215779108U true CN215779108U (en) | 2022-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121644250.0U Active CN215779108U (en) | 2021-07-20 | 2021-07-20 | General handle structure of ophthalmic scalpel |
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| CN (1) | CN215779108U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116725768A (en) * | 2023-06-26 | 2023-09-12 | 首都儿科研究所附属儿童医院 | Preoperative ear hair removing device for skin preparation |
-
2021
- 2021-07-20 CN CN202121644250.0U patent/CN215779108U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116725768A (en) * | 2023-06-26 | 2023-09-12 | 首都儿科研究所附属儿童医院 | Preoperative ear hair removing device for skin preparation |
| CN116725768B (en) * | 2023-06-26 | 2024-03-19 | 首都儿科研究所附属儿童医院 | Preoperative ear hair removing device for skin preparation |
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