CN215424965U

CN215424965U - Minimally invasive scalpel

Info

Publication number: CN215424965U
Application number: CN202122051513.3U
Authority: CN
Inventors: 石刚; 杨世华; 赵建峰; 张睿
Original assignee: Liaoning Cancer Hospital and Institute
Current assignee: Liaoning Cancer Hospital and Institute
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-01-07
Anticipated expiration: 2031-08-26

Abstract

The utility model discloses a minimally invasive scalpel, which comprises: the cutter comprises a cutter handle, wherein a blade is arranged at the bottom of the cutter handle, and a butt joint groove is formed in the surface of the cutter handle; the pull groove is formed in the top of the butt joint groove, and a clamping groove is formed in the outer side of the butt joint groove; the limiting rod is fixed on the surface of the inner wall of the butt joint groove, a butt joint plate is arranged inside the butt joint groove, and the limiting rod limits the butt joint plate; the cover plate is arranged on the outer side of the butt joint groove, and a clamping strip is fixed on one side of the cover plate. This minimal access surgery sword adopts butt joint groove and pull groove for can not take place the skew when the butt joint board is installed, and made things convenient for the apron to dismantle, made things convenient for the use, improved minimal access surgery sword suitability, the swing joint structure of cooperation cutter arbor and blade for the blade can carry out the rotation of appointed angle, through being provided with arch and recess, makes the doctor be difficult for taking place the landing when holding minimal access surgery sword.

Description

Minimally invasive scalpel

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a minimally invasive scalpel.

Background

The minimally invasive surgery, which is an operation of tiny wound as the name implies, refers to an operation performed by using modern medical instruments such as a laparoscope, a thoracoscope and the like and related equipment, and has the advantages of small wound, light pain and quick recovery.

For example, CN 202011216324.0A minimally invasive surgical knife for urological tumors, the utility model utilizes a first hinge to connect a first splint with a knife handle in a hinged manner and utilizes a second hinge to connect a second splint with the knife handle in a hinged manner, and after blades of the first splint and the second splint are taken out, the first splint and the second splint are lifted, so as to clean and disinfect the inner side of the first splint and the inner side of the second splint, improve the cleaning and disinfecting effect on the position of the clamped blade, and avoid the generation of sanitary dead angles; the technical scheme also has the following problems:

1. the minimally invasive scalpel is inconvenient for mounting and dismounting the blade;

2. the minimally invasive scalpel is inconvenient for rotating the blade;

3. the minimally invasive scalpel is easy to slip off when in use; therefore, improvements are made to the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a minimally invasive scalpel, and aims to solve the problems that the minimally invasive scalpel in the market is inconvenient to mount and dismount a blade, the minimally invasive scalpel is inconvenient to rotate the blade, and the minimally invasive scalpel is easy to slip off when in use, wherein the problems are brought forward by the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a minimally invasive scalpel, comprising:

the cutter comprises a cutter handle, wherein a blade is arranged at the bottom of the cutter handle, and a butt joint groove is formed in the surface of the cutter handle;

the pull groove is formed in the top of the butt joint groove, and a clamping groove is formed in the outer side of the butt joint groove;

the limiting rod is fixed on the surface of the inner wall of the butt joint groove, a butt joint plate is arranged inside the butt joint groove, and the limiting rod limits the butt joint plate;

the cover plate is arranged on the outer side of the butt joint groove, and a clamping strip is fixed on one side of the cover plate.

Preferably, the pull groove is used for disassembling the cover plate, and a clamping structure is formed between the clamping groove and the clamping strip, so that the clamping groove is connected with the clamping strip, and the cover plate is convenient to install.

Preferably, the one end of butt joint plate is fixed with the cutter arbor, cutter arbor and blade swing joint, the spout has been seted up to one side of keeping away from the butt joint plate of cutter arbor for cutter arbor and blade swing joint, thereby be convenient for carry out the angular rotation to the blade.

Preferably, the outside of spout is provided with the scale strip, and the scale strip is used for observing the angle size that the blade was adjusted for the scale strip is connected with the cutter arbor, thereby is convenient for the rotatory appointed angle of blade.

Preferably, the two sides of the blade are provided with fixing plates, and the screw penetrates through the fixing plates to be connected with the cutter bar, so that the screw penetrates through the fixing plates to be connected with the cutter bar, and the blade is convenient to rotate to a specified angle and then is fixed.

Preferably, the tool shank comprises:

the groove is formed in the surface of the knife handle and used for preventing relative displacement when a doctor holds the knife handle;

the protrusion is arranged on the surface of the knife handle and used for preventing hand slipping, so that the protrusion is connected with the hand, and the device can fall off at the hand conveniently.

Compared with the prior art, the utility model has the beneficial effects that: this minimal access surgery sword adopts butt joint groove and pull groove for can not take place the skew when the butt joint board is installed, and made things convenient for the apron to dismantle, made things convenient for the use, improved minimal access surgery sword suitability, the swing joint structure of cooperation cutter arbor and blade for the blade can carry out the rotation of appointed angle, through being provided with arch and recess, makes the doctor be difficult for taking place the landing when holding minimal access surgery sword.

1. According to the minimally invasive scalpel, the butt joint plate is placed in the butt joint groove, the butt joint plate is not prone to shaking after being placed in the butt joint groove due to the limiting rod arranged in the butt joint groove, the clamping strip on one side of the cover plate is placed in the butt joint groove, the cover plate is not prone to falling off after being installed due to the fact that the opening width of the clamping groove is smaller than the diameter of the clamping strip, when a blade needs to be replaced, a finger is placed in the pull groove, the cover plate is detached, and therefore the blade can be conveniently installed and detached;

2. according to the minimally invasive scalpel, the screw is unscrewed, the blade is rotated along the tool bar, the angle is accurately adjusted by observing the numerical value on the scale bar, and the screw penetrates through the fixing plate to be connected with the tool bar, so that the blade is rotated to the specified cutting angle to be fixed, and the blade is convenient to rotate in the angle;

3. this minimal access surgery sword, doctor operate the scalpel through holding the handle of a knife and operate, because the surface of handle of a knife is provided with the arch for under the condition that the gloves were worn to the doctor, can increase the frictional force of hand and scalpel, make the doctor be difficult for taking place relative displacement when holding the handle of a knife through setting up the recess, thereby take place the landing when preventing doctor's scalpel.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic bottom cross-sectional view of the present invention;

FIG. 4 is a schematic left-side sectional view of the present invention.

In the figure: 1. a knife handle; 2. a blade; 3. a butt joint groove; 4. groove drawing; 5. a card slot; 6. a limiting rod; 7. a butt plate; 8. a cover plate; 9. clamping the strip; 10. a cutter bar; 11. a chute; 12. a scale bar; 13. a fixing plate; 14. a screw; 15. a groove; 16. and (4) protruding.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a minimally invasive scalpel, comprising: handle of a knife 1, the bottom of handle of a knife 1 is provided with blade 2, and the surface of handle of a knife 1 has seted up butt joint groove 3, the kerve 4, set up at butt joint groove 3's top, and has seted up draw-in groove 5 in butt joint groove 3's the outside, and gag lever post 6 fixes on butt joint groove 3's inner wall surface, and butt joint groove 3's inside is provided with butt joint plate 7 to gag lever post 6 is spacing to butt joint plate 7, apron 8 sets up in butt joint groove 3's the outside, and one side of apron 8 is fixed with card strip 9.

The pull groove 4 is used for disassembling the cover plate 8, and a clamping structure is formed between the clamping groove 5 and the clamping strip 9.

Put into butt plate 7 along in butt joint groove 3, owing to be provided with gag lever post 6 in the butt joint groove 3 for butt plate 7 is difficult for rocking after putting in butt joint groove 3, puts into card strip 9 of 8 one sides of apron again along draw-in groove 5, because the opening width of draw-in groove 5 is less than the diameter of card strip 9, makes 8 installation backs of apron difficult drops, when needs change blade 2, puts into the kerve 4 with the finger, makes apron 8 dismantle.

A cutter bar 10 is fixed at one end of the butt plate 7, the cutter bar 10 is movably connected with the blade 2, and a sliding groove 11 is formed in one side of the cutter bar 10, which is far away from the butt plate 7; a scale bar 12 is arranged on the outer side of the sliding chute 11, and the scale bar 12 is used for observing the angle adjusted by the blade 2; fixing plates 13 are arranged on two sides of the blade 2, and screws 14 penetrate through the fixing plates 13 to be connected with the cutter bar 10.

The screw 14 is unscrewed, and the blade 2 is rotated along the cutter bar 10, and the angle is accurately adjusted by observing the numerical value on the scale bar 12, so that the blade 2 is angularly rotated.

The handle 1 includes: the groove 15 is formed in the surface of the knife handle 1, and the groove 15 is used for preventing relative displacement when a doctor holds the knife handle 1; and the bulge 16 is arranged on the surface of the knife handle 1, and the bulge 16 is used for preventing hand slipping.

The doctor operates the scalpel through holding handle of a knife 1 and operates, because the surface of handle of a knife 1 is provided with arch 16 for under the condition that the gloves were worn to the doctor, can increase the frictional force of hand and scalpel, make the difficult relative displacement that takes place when holding handle of a knife 1 through setting up recess 15.

The working principle is as follows: when using this minimal access scalpel, at first, put into broach 4 with the finger, make apron 8 dismantle, unscrew screw 14, rotate blade 2 along cutter arbor 10 again, come accurate angle regulation through observing the numerical value on the scale bar 12, thereby be convenient for blade 2 to carry out the angular rotation, the doctor operates the scalpel through holding handle of a knife 1 and operates, because the surface of handle of a knife 1 is provided with arch 16, make the doctor wear the condition of gloves, can increase the frictional force of hand and scalpel, make the doctor be difficult for taking place relative displacement when holding handle of a knife 1 through setting up recess 15, thereby take place the landing when preventing doctor's scalpel, the content of not making detailed description in this description belongs to the prior art that technical staff in this field publicly knows.

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 various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. A minimally invasive scalpel, comprising:

the cutter comprises a cutter handle (1), wherein a blade (2) is arranged at the bottom of the cutter handle (1), and a butt joint groove (3) is formed in the surface of the cutter handle (1);

the pull groove (4) is formed in the top of the butt joint groove (3), and a clamping groove (5) is formed in the outer side of the butt joint groove (3);

the limiting rod (6) is fixed on the inner wall surface of the butt joint groove (3), a butt joint plate (7) is arranged inside the butt joint groove (3), and the limiting rod (6) limits the butt joint plate (7);

the cover plate (8) is arranged on the outer side of the butt joint groove (3), and a clamping strip (9) is fixed on one side of the cover plate (8).

2. The minimally invasive scalpel according to claim 1, wherein: the pull groove (4) is used for disassembling the cover plate (8), and a clamping structure is formed between the clamping groove (5) and the clamping strip (9).

3. The minimally invasive scalpel according to claim 1, wherein: one end of the butt joint plate (7) is fixed with a cutter bar (10), the cutter bar (10) is movably connected with the blade (2), and one side of the cutter bar (10) far away from the butt joint plate (7) is provided with a sliding groove (11).

4. A minimally invasive scalpel according to claim 3, wherein: the outside of spout (11) is provided with scale bar (12), and scale bar (12) are used for observing the angle size that blade (2) were adjusted.

5. The minimally invasive scalpel according to claim 4, wherein: fixing plates (13) are arranged on two sides of the blade (2), and screws (14) penetrate through the fixing plates (13) and are connected with the cutter bar (10).

6. The minimally invasive scalpel according to claim 1, wherein: the handle (1) comprises:

the groove (15) is formed in the surface of the knife handle (1), and the groove (15) is used for preventing relative displacement when a doctor holds the knife handle (1) by hands;

and the protrusion (16) is arranged on the surface of the cutter handle (1), and the protrusion (16) is used for preventing the hand from slipping.