CN216180736U

CN216180736U - Skin preparation knife for brain surgery patient

Info

Publication number: CN216180736U
Application number: CN202122386351.9U
Authority: CN
Inventors: 宋文娟
Original assignee: Qingdao Chengyang Peoples Hospital
Current assignee: Qingdao Chengyang Peoples Hospital
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-04-05
Anticipated expiration: 2031-09-30

Abstract

The utility model relates to the technical field of medical equipment, and discloses a skin preparation knife for a brain surgery patient. The utility model is convenient to assemble and disassemble, can improve the utilization rate of the knife handle and reduce the cost.

Description

Skin preparation knife for brain surgery patient

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a skin preparation knife for a patient in brain surgery.

Background

Skin preparation refers to operation preparation for shaving hair at a corresponding position of a surgical operation and cleaning the body surface, and is the operation area cleaning work of a patient to be subjected to the surgical operation before the surgical operation, the skin preparation not only removes the hair at the operation position, but also comprises skin cleaning, skin iodophor scrubbing and the like, and the purpose of the skin preparation is to reduce the number of bacteria on the surface of the skin and reduce the infection of an incision after the surgical operation on the premise of not losing the integrity of the skin.

Present skin preparation sword is in the operation use, because handle of a knife and base fixed connection, the base that leads to the installation to be fixed with the blade is difficult to rotate the regulation according to the needs of operation use in skin preparation operation process, influences the simple operation nature of operation skin preparation to, the sword is mostly the integral type, and the unable used in circulation of handle of a knife leads to use cost to increase, is unfavorable for the environmental protection.

Based on the technical scheme, the utility model designs the skin preparation knife for the brain surgery patient to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a skin preparation knife for a brain surgery patient, and aims to solve the problem that the operation convenience of skin preparation in an operation is influenced because a base provided and fixed with a blade is difficult to rotate and adjust according to the operation and use requirements in the skin preparation operation process due to the fact that a knife handle is fixedly connected with the base in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

a skin preparation knife for a brain surgery patient comprises a knife handle, wherein a connecting piece is arranged in front of the knife handle, a first rotating shaft is rotatably connected between the knife handle and the connecting piece, the front end of the connecting piece is fixedly connected with a connecting piece, a skin preparation knife is slidably connected in front of the connecting piece, a fixing piece is slidably connected in front of the skin preparation knife, a limiting groove is formed in the upper end of the knife handle, and an L-shaped rod is slidably connected inside the limiting groove;

l type pole upper end and rear end fixedly connected with ejector pad and mounting respectively, the cavity has been seted up to handle of a knife inside, a plurality of groups fixed slots have been seted up to the cavity internal surface, the mounting is located inside the fixed slot, the cavity diapire is rotated through fixed connection's second pivot and is connected with first U type spare, L type pole rotates and connects in first U type spare rear end, the second pivot is located the middle part of first U type spare, and L type pole is located one side of first U type spare.

Preferably, two sets of spouts have been seted up to the connection piece front end, the inside equal sliding connection of spout has the slider, the equal fixedly connected with fixed block of slider front end, and it is the L type, the inside logical groove of seting up of skin preparation sword, the fixed block is located logical inslot portion, the inside bar groove of having seted up of stationary blade, fixed block sliding connection is in bar inslot portion.

Preferably, the surface of the strip-shaped groove is fixedly connected with two groups of clamping blocks, the fixing block is located between the two groups of clamping blocks, and the inside of the sliding groove is fixedly connected with a spring.

Preferably, a plurality of groups of through holes are formed in the skin preparation knife, fixing rods which are in one-to-one correspondence with the through holes are fixedly connected to the front end of the connecting piece, limiting holes which are in one-to-one correspondence with the fixing rods are formed in the rear end of the fixing piece, and the fixing rods are slidably connected to the inner portions of the limiting holes.

Preferably, both ends all fixedly connected with a plurality of groups of rejection bars about the connection piece, the plastics material of rejection bar position.

Preferably, the front ends of the fixing blocks are fixedly connected with shifting pieces, and the L-shaped rods are made of high-toughness metal materials.

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

the L-shaped rod and the fixing piece are driven to slide in the limiting groove by the push block, the first U-shaped piece is further driven to rotate around the second rotating shaft, the connecting piece is pushed by the connecting rod at the moment, the connecting piece drives the connecting piece to rotate around the first rotating shaft, the connecting piece is subjected to angle deviation, and therefore the angle adjustment of the skin preparation knife is completed.

Drawings

FIG. 1 is a schematic structural diagram of a front side view angle of the present invention;

FIG. 2 is a schematic view showing the separation of the fixing sheet and the connecting sheet according to the present invention;

FIG. 3 is a top view of the fixing sheet and the connecting sheet of the present invention separated from each other;

FIG. 4 is a front cross-sectional view of a tool holder of the present invention;

FIG. 5 is a schematic view of the connecting rod of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a hilt; 2. a connecting member; 3. a first rotating shaft; 4. connecting sheets; 5. a skin preparation knife; 6. a fixing sheet; 7. a limiting groove; 8. an L-shaped rod; 9. a push block; 10. a fixing member; 11. a cavity; 12. fixing grooves; 13. a first U-shaped member; 14. a second rotating shaft; 15. a second U-shaped member; 16. a connecting rod; 17. a chute; 18. a slider; 19. a fixed block; 20. a strip-shaped groove; 21. a clamping block; 22. a spring; 23. a through hole; 24. fixing the rod; 25. a limiting hole; 26. a resisting rod; 27. a shifting sheet.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution:

a skin preparation knife for a brain surgery patient comprises a knife handle 1, a connecting piece 2 is arranged in front of the knife handle 1, a first rotating shaft 3 is rotatably connected between the knife handle 1 and the connecting piece 2, a connecting piece 4 is fixedly connected to the front end of the connecting piece 2, a skin preparation knife 5 is slidably connected in front of the connecting piece 4, a fixing piece 6 is slidably connected in front of the skin preparation knife 5, a limiting groove 7 is formed in the upper end of the knife handle 1, and an L-shaped rod 8 is slidably connected inside the limiting groove 7;

l type 8 upper end and rear end fixedly connected with ejector pad 9 and mounting 10 respectively, cavity 11 has been seted up to handle of a knife 1 inside, a plurality of sets of fixed slots 12 have been seted up to 11 internal surfaces of cavity, mounting 10 is located inside

fixed slot

12, 11 diapalls of cavity rotate through fixedly connected's second pivot 14 and are connected with first U type spare 13, L type 8 rotates and connects in first U type spare 13 rear end, second pivot 14 is located the middle part of first U type spare 13, L type 8 is located one side of first U type spare 13.

When the angle adjusting device is used, the fixing piece 10 is positioned in the positioning groove 12 in a normal state to limit the L-shaped rod 8, when the angle adjusting device is used, the push block 9 is pressed downwards, the L-shaped rod 8 is pressed to bend downwards, so that the fixing piece 10 falls off in the positioning groove 12, then when the push block 9 is pushed forwards or backwards, the push block 9 drives the L-shaped rod 8 and the fixing piece 10 to slide in the limiting groove 7, so as to drive the first U-shaped piece 13 to rotate around the second rotating shaft 14, the connecting rod 16 pushes the connecting piece 4, so that the connecting piece 4 drives the connecting piece 2 to rotate around the first rotating shaft 3, so that the connecting piece 4 generates angle deviation, so as to complete the angle adjustment of the skin preparing knife 5, and when the deviation angle is proper, only the push block 9 needs to be loosened, the L-shaped rod 8 loses pressure and then resets, so that the fixing piece 10 is clamped into the positioning groove 12 again, so as to complete the fixing of the L-shaped rod 8, and the skin preparation knife 5 is connected between the connecting sheet 4 and the fixing sheet 6 in a sliding manner, so that the mounting and dismounting are convenient, the utilization rate of the knife handle 1 can be improved, and the cost is reduced.

Wherein, two sets of spouts 17 have been seted up to 4 front ends of connection piece, the inside equal sliding connection of spout 17 has slider 18, the equal fixedly connected with fixed block 19 of the 18 front ends of slider, and it is the L type, logical groove is seted up to skinning knife 5 is inside, fixed block 19 is located logical inslot portion, fixed block 6 is inside to have seted up bar groove 20, fixed block 19 sliding connection is inside bar groove 20, only need slide one side of spout 17 two sets of fixed blocks 19 through slider 18 when changing skinning knife 5, then lose spacing after fixed block 6 separation between fixed block 19 and the fixed block 6, the son take out skinning knife 5 can.

Wherein, two sets of fixture blocks 21 of strip groove 20 internal surface fixedly connected with, fixed block 19 is located between two sets of fixture blocks 21, the inside equal fixedly connected with spring 22 of spout 17, and L type fixed block 19 and fixture block 21 are the card box state under spring 22's elasticity relaxation effect under the conventional condition, can carry on spacingly to stationary blade 6 and fixed block 19 to fix skin preparation sword 5 under the conventional condition.

Wherein, a plurality of groups of through-holes 23 have been seted up to skin preparation sword 5 is inside, 4 front end fixedly connected with of connection piece has the dead lever 24 with through-hole 23 one-to-one, 6 rear ends of stationary blade offer with the spacing hole 25 of dead lever 24 one-to-one, dead lever 24 sliding connection is inside spacing hole 25, at first pass through-hole 23 during dead lever 24 when installing skin preparation sword 5, insert during spacing hole 25 dead lever 24 other end again, can prevent that stationary blade 6 and fixed block 19 skin preparation sword 5 from taking place the skew and influencing the efficiency of skin preparation when fixed and use.

Wherein, the equal fixedly connected with a plurality of groups in both ends are from top to bottom connected sheet 4 and are resisted pole 26, and resisted pole 26 is the plastics pole, and when carrying out the skin preparation, resisted pole 26 contacts with people's skin, can ensure that skin preparation sword 5 contacts with people's hair, prevents scratch people's skin between the skin preparation sword 5, can not rust moreover.

Wherein, the equal fixedly connected with plectrum 27 of fixed block 19 front end, L type pole 8 are the elastic metal material, and people detain two sets of plectrums 27 when changing skin preparation sword 5, and plectrum 27 drives fixed block 19 and removes, and fixed block 19 breaks away from with fixture block 21, and fixed piece 6 loses spacingly, then to skin preparation sword 5 downward sloping, drops under the effect of fixed piece 6 and skin preparation sword 5 self gravity and can accomplish the dismantlement.

Claims

1. The utility model provides a skin preparation sword that brain surgery patient used, includes handle of a knife (1), handle of a knife (1) the place ahead is provided with connecting piece (2), its characterized in that: a first rotating shaft (3) is rotatably connected between the hilt (1) and the connecting piece (2), a connecting piece (4) is fixedly connected to the front end of the connecting piece (2), a skin preparation knife (5) is slidably connected to the front of the connecting piece (4), a fixing piece (6) is slidably connected to the front of the skin preparation knife (5), a limiting groove (7) is formed in the upper end of the hilt (1), and an L-shaped rod (8) is slidably connected to the inside of the limiting groove (7);

l type pole (8) upper end and rear end fixedly connected with ejector pad (9) and mounting (10) respectively, cavity (11) have been seted up to hilt (1) inside, a plurality of groups fixed slot (12) have been seted up to cavity (11) internal surface, mounting (10) are located inside fixed slot (12), cavity (11) diapire is rotated through fixed connection's second pivot (14) and is connected with first U type spare (13), L type pole (8) are rotated and are connected in first U type spare (13) rear end, second pivot (14) are located the middle part of first U type spare (13), and L type pole (8) are located one side of first U type spare (13).

2. The dermatome for a brain surgical patient according to claim 1, wherein: two sets of spout (17) have been seted up to connection piece (4) front end, the inside equal sliding connection of spout (17) has slider (18), the equal fixedly connected with fixed block (19) of slider (18) front end, and it is the L type, the logical groove is seted up to skin preparation sword (5) inside, fixed block (19) are located logical inslot portion, bar groove (20) have been seted up to stationary blade (6) inside, fixed block (19) sliding connection is inside bar groove (20).

3. The dermatome for a brain surgical patient according to claim 2, characterized in that: two sets of fixture blocks (21) of strip groove (20) internal surface fixed connection, fixed block (19) are located between two sets of fixture blocks (21), equal fixedly connected with spring (22) in spout (17) inside.

4. The dermatome for a brain surgical patient according to claim 1, wherein: a plurality of groups of through holes (23) are formed in the skin preparation knife (5), fixing rods (24) which are in one-to-one correspondence with the through holes (23) are fixedly connected to the front end of the connecting piece (4), limiting holes (25) which are in one-to-one correspondence with the fixing rods (24) are formed in the rear end of the fixing piece (6), and the fixing rods (24) are connected inside the limiting holes (25) in a sliding mode.

5. The dermatome for a brain surgical patient according to claim 1, wherein: the upper end and the lower end of the connecting piece (4) are fixedly connected with a plurality of groups of resisting rods (26), and the resisting rods (26) are plastic rods.

6. The dermatome for a brain surgical patient according to claim 2, characterized in that: the equal fixedly connected with plectrum (27) of fixed block (19) front end, L type pole (8) are elastic metal material.