CN211883968U

CN211883968U - Surgical knife handle

Info

Publication number: CN211883968U
Application number: CN202020173021.4U
Authority: CN
Inventors: 戴耕武; 潘宁; 阎凯; 陈明懿; 罗娟
Original assignee: Sichuan Provincial Peoples Hospital
Current assignee: Sichuan Provincial Peoples Hospital
Priority date: 2020-02-14
Filing date: 2020-02-14
Publication date: 2020-11-10
Anticipated expiration: 2030-02-14

Abstract

The utility model discloses a surgical knife handle, which comprises a knife handle, a sliding rod and a fixed rod, wherein the fixed rod is fixedly connected with the front end of the knife handle, a sliding groove is arranged on the fixed rod, the rear end of the knife handle is provided with scales, the sliding rod is arranged in the sliding groove through a sliding assembly, a polygonal lug is arranged on the sliding rod, and the cross section shape of the polygonal lug is matched with an assembling hole of a surgical knife blade; the length that the scalpel handle can adjust the blade extension as required can also realize the hidden of blade and accomodate, avoids medical staff and patient's accidental injury.

Description

Surgical knife handle

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to scalpel handle.

Background

The skin surgery system is mature in European and American systems, the initiation is late in China, the rapid development is realized since 2000 years, the prospect is wide, and the current situation of the domestic skin surgery special surgical instrument is blank in China at present, and the domestic skin surgery special surgical instrument can only be replaced by a common surgical instrument and an orthopedic surgical instrument and cannot meet the requirements of the skin surgery.

A scalpel is one of the most commonly used surgical instruments for applications in skin surgery, which is commonly used to cut and strip tissue. The conventional scalpel structure is composed of a scalpel blade and a scalpel handle which are detachable, and the scalpel blade is arranged and fixed on the scalpel handle when in use. Surgical blades have experienced a long history of development, often being made of higher grade stainless steel sheets, with many different sizes, models or types of surgical blades and scalpel handles to meet different surgical needs.

The scalpel used by skin surgeons in hospitals is divided into a blade and a handle, the blade is disposable, the handle is not disposable, other instruments are not disposable, but the blade is autoclaved every time the scalpel is used, so that all microorganisms are killed, so that the problem is not worried about as long as the scalpel is strictly sterilized. However, since the scalpel is very sharp, it may cause accidental injuries to medical staff or patients when taken; and for different doctor's habits, the extended length of the blade may not be suitable for the doctor to use, causing inconvenience in use. Therefore, a novel scalpel handle is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a scalpel handle can adjust the length of blade extension as required in the operation, can also realize the hidden of blade and accomodate, avoids medical staff and patient's unexpected damage to solve the technical problem who mentions in the background art.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides a scalpel handle, includes handle of a knife, slide bar, decides pole and scalpel blade, decide the pole with the front end fixed connection of handle of a knife, decide the pole and seted up the sliding tray, the rear end of handle of a knife is equipped with the scale, the slide bar passes through sliding assembly and installs in the sliding tray, be equipped with the polygon lug on the slide bar, the cross sectional shape of polygon lug with scalpel blade's pilot hole matches.

Further, the sliding assembly comprises a sliding rod and a fixed rod, the rear end of the sliding rod and the fixed rod are hollow tubes, the fixed rod is sleeved on the sliding rod, at least one buckle is arranged in the sliding rod and consists of a V-shaped elastic sheet and a top bead, the top bead is fixedly installed at the end part of the V-shaped elastic sheet, the V-shaped elastic sheet is supported between the inner walls of the sliding rod, and through holes matched with the top bead are formed in the walls of the sliding rod and the fixed rod.

Furthermore, the wall of the fixed rod is provided with at least two through holes, and the through holes are distributed along the axial direction of the fixed rod.

Further, the width of the sliding groove is matched with the width of the surgical blade, and the depth of the sliding groove is matched with the length of the surgical blade.

The utility model has the advantages that:

(1) the utility model discloses a scalpel handle adopts the mode that the mounting hole matching of polygon lug and scalpel blade is installed, has realized the quick installation of scalpel blade, and the artifical too much effort that need not in scalpel blade and the cooperation of handle of a knife dismantlement process, easily operation, problem that does not have the potential safety hazard, its simple structure, convenient operation, the blade is difficult for taking place deformation during the installation, has improved work efficiency, has ensured operating personnel's safety; the sliding rod is arranged in the sliding groove through the sliding assembly and can stretch and move in the sliding groove along with the sliding assembly, so that the blade arranged on the sliding rod can be accommodated in the sliding groove, can conveniently stretch out when in use through the stretching of the blade and can retract when not in use, thereby avoiding accidental injury of medical staff or patients, improving the safety of the use of the scalpel and ensuring that the medical staff cannot cause accidental risks caused by accidental injuries; the extension of blade also can be adjusted through sliding assembly, is favorable to changing the length of blade to different doctors' use custom, has improved the suitability, is favorable to the better operation of doctor, and can the one hand operate among the operation process, is favorable to going on smoothly of operation, need take out the scalpel when avoiding performing the operation again after adjusting, has improved the convenience.

(2) The utility model discloses a handle of a knife produces slight shake if medical staff's hand when using, then the handle of a knife can follow the hand shake, arouses the reciprocal shake of blade easily, the quantity of the buckle in the slide bar sets up one at least, and the cooperation of buckle and through-hole can cushion the shake to weaken the shake of handle of a knife at to a great extent, make the shake of hand reduce by a wide margin to the tool bit influence, make handle of a knife pole, tool bit remain stable, guaranteed the normal clear of operation.

Drawings

FIG. 1 is a schematic view of the overall structure of the scalpel handle of the present invention;

fig. 2 is a schematic structural view of the fixing of the sliding rod and the fixed rod of the present invention;

FIG. 3 is a schematic structural view of the sliding rod and the fixed rod of the present invention when they are separated;

in the figure, 1-knife handle, 2-sliding rod, 201-polygonal bump, 3-fixed rod, 301-sliding groove, 4-scale, 5-surgical blade, 6-buckle, 6.1-V-shaped bullet, 6.2-top bead and 7-through hole.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-3, the present invention provides a technical solution:

referring to fig. 1, a scalpel handle 1 includes a handle 1, a sliding rod 2, a fixed rod 3 and a scalpel blade 5, the fixed rod 3 is fixedly connected to a front end of the handle 1, the fixed rod 3 is provided with a sliding groove 301, a scale 4 is arranged at a rear end of the handle 1, the sliding rod 2 is installed in the sliding groove 301 through a sliding assembly, the sliding rod 2 is provided with a polygonal bump 201, and a cross section of the polygonal bump 201 is matched with an assembling hole of the scalpel blade 5.

The utility model discloses a mode that the handle of a knife 1 adopts the pilot hole matching installation of polygon lug 201 and scalpel blade 5 has realized the quick installation of scalpel blade 5, and the manual work in the cooperation dismantlement process of scalpel blade 5 and handle of a knife 1 need not too much effort, easily operation, does not have the problem of potential safety hazard, and its simple structure, convenient operation, the blade is difficult for taking place the deformation during installation, has improved work efficiency, has ensured operating personnel's safety; the sliding rod 2 is arranged in the sliding groove 301 through a sliding assembly, and the sliding rod 2 can stretch and move in the sliding groove 301 along with the sliding assembly, so that a blade arranged on the sliding rod 2 can be accommodated in the sliding groove 301, can conveniently stretch out when in use through the stretching of the blade, and can retract when not in use, thereby avoiding accidental injury of medical staff or patients, improving the safety of the use of the scalpel, and ensuring that the medical staff cannot cause accidental risks caused by accidental injuries; the extension of blade also can be adjusted through sliding assembly, is favorable to changing the length of blade to different doctors' use custom, has improved the suitability, is favorable to the better operation of doctor, and can the one hand operate among the operation process, is favorable to going on smoothly of operation, need take out the scalpel when avoiding performing the operation again after adjusting, has improved the convenience.

Referring to fig. 2-3, the sliding assembly includes a sliding rod 2 and a fixed rod 3, the rear end of the sliding rod 2 and the fixed rod 3 are both hollow tubes, the fixed rod 3 is sleeved on the sliding rod 2, at least one buckle 6 is arranged in the sliding rod 2, the buckle 6 is composed of a V-shaped bullet 6.1 piece and a top ball 6.2, the top ball 6.2 is fixedly installed at the end of the V-shaped bullet 6.1 piece, the V-shaped bullet 6.1 piece is supported between the inner walls of the sliding rod 2, and through holes 7 matched with the top ball 6.2 are arranged on the walls of the sliding rod 2 and the fixed rod 3.

Referring to fig. 2-3, the wall of the fixed rod 3 is provided with at least two through holes 7, and the through holes 7 are distributed along the axial direction of the fixed rod 3.

As shown in fig. 2, the top bead 6.2 passes through the through hole 7 of the fixed rod 3 and the sliding rod 2, thereby completing the axial fixation between the sliding rod 2 and the fixed rod 3. As shown in fig. 3, when the sliding rod 2 needs to be removed, the V-shaped spring 6.1 piece 9.1 contracts when the top bead 6.2 is pressed inward, so that the top bead 6.2 is lower than the inner wall of the fixed rod 3, and the sliding rod 2 can be drawn until the sliding rod 2 is completely separated from the fixed rod 3. The wall of the fixed rod 3 is provided with at least two through holes 7, the through holes 7 are distributed along the axial direction of the fixed rod 3, the through holes 7 in the axial direction of the fixed rod 3 can be selected according to the length requirement by the buckles 6 to be fixed, so that the length of the sliding rod 2 sliding out of the sliding groove 301 can be adjusted, the adjusting mode is simple and fast, and the length of the sliding rod 2 which stretches out and draws back can be selected according to the actual working condition field requirement.

The utility model discloses a handle of a knife 1 produces slight shake if medical staff's hand when using, then handle of a knife 1 can follow the hand shake, arouses the reciprocal shake of blade easily, buckle 6's in the slide bar 2 quantity sets up one at least, and buckle 6 and through-hole 7's cooperation can cushion the shake to weaken handle of a knife 1's shake at to a great extent, make the shake of hand reduce by a wide margin to the tool bit influence, make 1 pole of handle of a knife, tool bit remain stable, guaranteed the normal clear of operation.

Referring to fig. 2-3, the width of the sliding groove 301 matches with the width of the surgical blade 5, the depth of the sliding groove 301 matches with the length of the surgical blade 5, and the depth of the sliding groove 301 is generally greater than the sum of the length of the surgical blade 5 and the length of the sliding rod, so as to ensure that the surgical blade 5 can be completely accommodated in the sliding groove 301.

The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. A scalpel handle is characterized in that: including handle of a knife (1), slide bar (2), decide pole (3) and scalpel blade (5), decide pole (3) with the front end fixed connection of handle of a knife (1), decide and seted up sliding tray (301) on pole (3), the rear end of handle of a knife (1) is equipped with scale (4), slide bar (2) are installed through sliding assembly in sliding tray (301), be equipped with polygon lug (201) on slide bar (2), the cross sectional shape of polygon lug (201) with the pilot hole of scalpel blade (5) matches.

2. A scalpel handle as claimed in claim 1, wherein: the sliding assembly comprises a sliding rod (2) and a fixed rod (3), the rear end of the sliding rod (2) and the fixed rod (3) are hollow tubes, the fixed rod (3) is sleeved on the sliding rod (2), the sliding rod (2) is internally provided with at least one buckle (6), the buckle (6) is composed of a V-shaped elastic sheet (6.1) and a top bead (6.2), the top bead (6.2) is fixedly arranged at the end part of the V-shaped elastic sheet (6.1), the V-shaped elastic sheet (6.1) is supported between the inner walls of the sliding rod (2), and the sliding rod (2) and the fixed rod (3) are provided with through holes (7) matched with the top bead (6.2).

3. A scalpel handle as claimed in claim 1, wherein: the wall of the fixed rod (3) is provided with at least two through holes (7), and the through holes (7) are distributed along the axial direction of the fixed rod (3).

4. A scalpel handle as claimed in claim 1, wherein: the width of the sliding groove (301) is matched with the width of the scalpel blade (5), and the depth of the sliding groove (301) is matched with the length of the scalpel blade (5).