CN214805161U

CN214805161U - Scalpel for medical instrument

Info

Publication number: CN214805161U
Application number: CN202120190444.1U
Authority: CN
Inventors: 叶向明; 邱秋林; 蔡波
Original assignee: Zhuhai Xiaoshi Industrial Co ltd
Current assignee: Zhuhai Xiaoshi Industrial Co ltd
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-11-23
Anticipated expiration: 2031-01-25

Abstract

The utility model belongs to the technical field of medical equipment, especially, be a scalpel for medical equipment, including handle of a knife, knife pouch and blade, the knife pouch rotates with the handle of a knife to be connected, the tip of knife pouch has seted up the jack, and the tip of blade is installed in the inside of jack, the surface of knife pouch is fixed with first adjusting gear, the surface of handle of a knife rotates respectively to be installed connecting rod and second adjusting gear, the inside of handle of a knife rotates to be installed the third adjusting gear; through the broach shell of being connected with the handle of a knife rotation, the tip of blade is installed in the jack that broach shell tip was seted up simultaneously, and the broach shell is connected with the handle of a knife transmission through first adjusting gear, connecting rod, second adjusting gear, third adjusting gear, first driven gear, second driven gear and third driven gear, and first adjusting gear meshes with the first driven gear of connecting rod one end welded, and second adjusting gear meshes with the second driven gear of connecting rod middle part welded.

Description

Scalpel for medical instrument

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to scalpel for medical instrument.

Background

The scalpel is a special tool which is composed of a blade and a handle and used for cutting human or animal body tissues, is an indispensable important surgical tool in surgical operations, and is made of pure titanium, titanium alloy, stainless steel or carbon steel. When in dissection, the knife edge is used for cutting the skin and the muscle, the knife tip is used for repairing the blood vessel and the nerve, and the knife handle is used for blunt separation. The blade and the knife handle with proper models are selected according to the size of the wound. When the traditional scalpel is used, the convenience of blade angle adjustment in an operation is poor, the angle of the blade needs to be adjusted according to the wrist during the operation, and the difficulty of the operation is increased.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a scalpel for medical instrument has and adjusts the angle of blade in the book of being convenient for, has reduced the degree of difficulty of operation, and blade angle modulation is convenient characteristics simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a scalpel for medical instrument, includes handle of a knife, broach shell and blade, the broach shell rotates with the handle of a knife to be connected, the jack has been seted up to the tip of broach shell, just the inside at the jack is installed to the tip of blade, the fixed surface of broach shell has first adjusting gear, the surface of handle of a knife rotates respectively and installs connecting rod and second adjusting gear, the internal rotation of handle of a knife installs third adjusting gear, the both ends and the middle part of third adjusting gear do not welded fastening have first driven gear, third driven gear and second driven gear, the tooth on first driven gear and first adjusting gear surface meshes mutually, the tooth on second adjusting gear and second driven gear surface meshes mutually, the tooth on third adjusting gear and third driven gear surface meshes mutually.

As the utility model discloses a preferred technical scheme of scalpel for medical instrument, the inside welding of jack has the limiting plate, the spacing groove has been seted up to the tip of blade, just the limiting plate is installed in the inside of spacing groove, still be provided with locating component between broach shell and the blade.

As the utility model discloses a preferred technical scheme of scalpel for medical instrument, locating component include mounting groove, buffer spring, spacing ball and constant head tank, the mounting groove sets up the surface that is located the jack at the broach shell, buffer spring installs the inside at the mounting groove, spacing ball passes through buffer spring and installs the inside at the mounting groove, the constant head tank sets up the surface at the blade, just the inside at the constant head tank is installed to spacing ball.

As the utility model discloses a preferred technical scheme of scalpel for medical instrument, the constant head tank that the blade surface was seted up is provided with two, two the constant head tank symmetry sets up.

As the utility model discloses a preferred technical scheme of scalpel for medical instrument, the outer surface welding of handle of a knife has anti-skidding burr, just anti-skidding burr is equidistant to be distributed.

As the utility model discloses a preferred technical scheme of scalpel for medical instrument, the radius of second adjusting gear and second driven gear is 18mm and 6mm respectively, the radius of first adjusting gear and first driven gear is 16mm and 2mm respectively, the radius of third adjusting gear and third driven gear is 12mm and 8mm respectively.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through rotating the cutter sleeve of being connected with the handle of a knife, the tip of blade is installed in the jack that the cutter sleeve tip was seted up simultaneously, and the cutter sleeve is through first adjusting gear, the connecting rod, the second adjusting gear, the third adjusting gear, first driven gear, second driven gear and third driven gear are connected with the handle of a knife transmission, and first adjusting gear meshes with the first driven gear of connecting rod one end welded, second adjusting gear meshes with connecting rod middle part welded second driven gear, third adjusting gear meshes with the third driven gear of connecting rod other end welded, the cutter sleeve has been increased and has been carried out the stability of pivoted regulation, the convenience of angle modulation is carried out to the blade has been improved.

2. The blade is installed and is carried on spacingly through limiting plate and spacing groove after the jack is inside, the spacing inslot that blade tip was seted up is installed to jack internal surface welded limiting plate simultaneously, and fix a position through locating component between broach shell and the blade, and locating component comprises the mounting groove, buffer spring, spacing ball and constant head tank, spacing ball passes through buffer spring movable mounting in the inside of mounting groove simultaneously, and spacing ball is installed in the constant head tank that the blade surface was seted up, the convenience of carrying out the location after having increased the blade installation.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the knife handle, the first adjusting gear, the second adjusting gear and the third adjusting gear of the present invention;

FIG. 3 is a schematic view of the connection structure between the knife pouch and the knife blade of the present invention;

in the figure: 1. a knife handle; 2. a knife sheath; 3. a first adjusting gear; 4. a connecting rod; 5. a second adjusting gear; 6. a third adjusting gear; 7. a first driven gear; 8. a second driven gear; 9. a third driven gear; 10. a blade; 11. a jack; 12. a limiting plate; 13. a limiting groove; 14. mounting grooves; 15. a buffer spring; 16. a limiting ball; 17. positioning a groove; 18. anti-skid wales.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a scalpel for medical instrument, including handle of a knife 1, knife pouch 2 and blade 10, knife pouch 2 rotates with handle of a knife 1 to be connected, jack 11 has been seted up to the tip of knife pouch 2, and the tip of blade 10 is installed in the inside of jack 11, the fixed surface of knife pouch 2 has first adjusting gear 3, the surface of handle of a knife 1 rotates respectively and installs connecting rod 4 and second adjusting gear 5, the internal rotation of handle of a knife 1 installs third adjusting gear 6, the both ends of third adjusting gear 6 and middle part welded fastening have first driven gear 7 respectively, third driven gear 9 and second driven gear 8, the tooth on first driven gear 7 and the 3 surfaces of first adjusting gear meshes mutually, the tooth on second adjusting gear 5 and the 8 surfaces of second driven gear meshes mutually, the tooth on third adjusting gear 6 and the 9 surfaces of third driven gear meshes mutually.

In this embodiment, through the broach shell 2 of being connected with 1 rotation of handle of a knife, the tip of blade 10 is installed in the jack 11 that the 2 tip of broach shell was seted up simultaneously, and broach shell 2 is through first adjusting gear 3, connecting rod 4, second adjusting gear 5, third adjusting gear 6, first driven gear 7, second driven gear 8 and third driven gear 9 are connected with 1 transmission of handle of a knife, and first adjusting gear 3 meshes with 4 one end welded first driven gear 7 of connecting rod, second adjusting gear 5 meshes with 4 middle part welded second driven gear 8 of connecting rod, third adjusting gear 6 meshes with 4 other end welded third driven gear 9 of connecting rod, the stability that the broach shell 2 carries out the pivoted regulation has been increased, the convenience of carrying out angle modulation to blade 10 has been improved.

Specifically, the inside welding of jack 11 has limiting plate 12, spacing groove 13 has been seted up to the tip of blade 10, and limiting plate 12 installs the inside at spacing groove 13, still be provided with locating component between broach shell 2 and blade 10, locating component includes mounting groove 14, buffer spring 15, spacing ball 16 and constant head tank 17, mounting groove 14 sets up the surface that is located jack 11 at broach shell 2, buffer spring 15 installs the inside at mounting groove 14, spacing ball 16 passes through buffer spring 15 and installs the inside at mounting groove 14, constant head tank 17 sets up the surface at blade 10, and spacing ball 16 installs the inside at constant head tank 17, constant head tank 17 that blade 10 surface was seted up is provided with two, two constant head tank 17 symmetries set up.

In this embodiment, blade 10 is installed and is spacing through limiting plate 12 and spacing groove 13 after 11 are inside at the jack, 11 internal surface welded limiting plate 12 of jack installs the spacing inslot 13 that blade 10 tip was seted up simultaneously, and fix a position through locating component between broach shell 2 and the blade 10, and locating component is by mounting groove 14, buffer spring 15, spacing ball 16 and constant head tank 17 constitute, spacing ball 16 passes through buffer spring 15 movable mounting in the inside of mounting groove 14 simultaneously, and spacing ball 16 installs in constant head tank 17 that blade 10 surface was seted up, the convenience of fixing a position has been increased after blade 10 installs.

Specifically, the outer surface of the knife handle 1 is welded with the anti-skid convex patterns 18, and the anti-skid convex patterns 18 are distributed at equal intervals.

In this embodiment, the roughness of the outer surface of the shank 1 is increased.

Specifically, the radii of the second adjusting gear 5 and the second driven gear 8 are 18mm and 6mm, respectively, the radii of the first adjusting gear 3 and the first driven gear 7 are 16mm and 2mm, respectively, and the radii of the third adjusting gear 6 and the third driven gear 9 are 12mm and 8mm, respectively.

In this embodiment, the rotation adjustment of the knife case 2 and the knife blade 10 is facilitated.

The utility model discloses a theory of operation and use flow: when the cutter is used, a proper blade 10 is selected to be installed at the end part of the cutter sleeve 2 according to needs, the end part of the blade 10 is inserted into the insertion hole 11, the blade 10 extrudes the limiting ball 16, the limiting ball 16 moves in the installation groove 14, the buffer spring 15 is compressed again under the action of the limiting ball 16, the limiting plate 12 moves in the limiting groove 13 formed in the end part of the blade 10, when the limiting ball 16 is close to the positioning groove 17, the limiting ball 16 is installed in the positioning groove 17 under the action of the buffer spring 15, when a user uses the cutter, the second adjusting gear 5 is rotated to primarily adjust the blade 10, the second adjusting gear 5 drives the second driven gear 8 to rotate the connecting rod 4, the connecting rod 4 drives the first driven gear 7 and the third driven gear 9 to rotate, the first driven gear 7 drives the first adjusting gear 3 to rotate the cutter sleeve 2 and the blade 10, after the blade 10 rotates by a proper angle, the third adjusting gear 6 drives the third driven gear 9 to rotate by rotating the third adjusting gear 6, and meanwhile, the third driven gear 9 drives the connecting rod 4, so that the first driven gear 7 drives the first adjusting gear 3 again for fine adjustment.

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 modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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

1. The utility model provides a scalpel for medical instrument, includes handle of a knife (1), broach shell (2) and blade (10), its characterized in that: the knife sleeve (2) is rotationally connected with the knife handle (1), the end part of the knife sleeve (2) is provided with an insertion hole (11), the end part of the blade (10) is arranged in the insertion hole (11), the surface of the knife sleeve (2) is fixed with a first adjusting gear (3), the surface of the knife handle (1) is respectively and rotatably provided with a connecting rod (4) and a second adjusting gear (5), a third adjusting gear (6) is rotatably arranged in the knife handle (1), a first driven gear (7), a third driven gear (9) and a second driven gear (8) are respectively welded and fixed at the two ends and the middle part of the third adjusting gear (6), the first driven gear (7) is meshed with the teeth on the surface of the first adjusting gear (3), the second adjusting gear (5) is meshed with the teeth on the surface of the second driven gear (8), the third adjusting gear (6) is meshed with the teeth on the surface of the third driven gear (9).

2. The surgical knife for medical instruments according to claim 1, characterized in that: the utility model discloses a cutter holder, including blade (10), limiting groove (13), limiting plate (12), cutter sleeve (2) and blade (10), the inside welding of jack (11) has limiting plate (12), limiting groove (13) have been seted up to the tip of blade (10), just limiting plate (12) are installed in the inside of limiting groove (13), still be provided with locating component between cutter sleeve (2) and blade (10).

3. The surgical knife for medical instruments according to claim 2, characterized in that: locating component includes mounting groove (14), buffer spring (15), spacing ball (16) and constant head tank (17), mounting groove (14) set up the surface that is located jack (11) at broach shell (2), the inside at mounting groove (14) is installed in buffer spring (15), the inside at mounting groove (14) is installed through buffer spring (15) in spacing ball (16), constant head tank (17) set up the surface at blade (10), just the inside at constant head tank (17) is installed in spacing ball (16).

4. The surgical knife for medical instruments according to claim 3, characterized in that: the two positioning grooves (17) formed in the surface of the blade (10) are symmetrically arranged.

5. The surgical knife for medical instruments according to claim 1, characterized in that: the outer surface of the knife handle (1) is welded with anti-skid wales (18), and the anti-skid wales (18) are distributed at equal intervals.

6. The surgical knife for medical instruments according to claim 1, characterized in that: the radius of second adjusting gear (5) and second driven gear (8) is 18mm and 6mm respectively, the radius of first adjusting gear (3) and first driven gear (7) is 16mm and 2mm respectively, the radius of third adjusting gear (6) and third driven gear (9) is 12mm and 8mm respectively.