CN211213561U

CN211213561U - Head fixing device for neurosurgery

Info

Publication number: CN211213561U
Application number: CN201822089043.8U
Authority: CN
Inventors: 姜海涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-04
Filing date: 2018-12-04
Publication date: 2020-08-11
Anticipated expiration: 2028-12-04

Abstract

The utility model discloses a head fixing device that neurosurgery was used, including two fixed chucks, the bottom of two fixed chucks is equipped with same base, the rectangular channel has been seted up at the top of base, and fixed mounting has same locating lever on the both sides inner wall of rectangular channel, the bottom fixed mounting of fixed chuck has the rectangular block, and the bottom of rectangular block extends to the rectangular channel in, and rectangular block sliding suit is on the locating lever, and one side that two rectangular blocks kept away from each other all is equipped with the slip cap and establishes the first montant on the locating lever, and fixed mounting has a plurality of first springs between one side that first montant is close to the rectangular block that corresponds and the rectangular block, and one side fixed mounting that corresponding rectangular block was kept away from to first montant has a plurality of second springs. The utility model relates to a rationally, convenient operation is convenient for adjust the distance between two fixed chucks for can be fit for the patient of different sizes and use, labour saving and time saving has satisfied personnel's user demand.

Description

Head fixing device for neurosurgery

Technical Field

The utility model relates to a head fixed equipment technical field especially relates to a head fixing device that neurosurgery was used.

Background

Neurosurgery is a branch of surgery, mainly treats diseases of nervous systems such as brain, spinal cord caused by trauma, etc., when neurosurgery is operated, doctors need to fix the head of a patient first so as to perform operation, if the head is not firmly fixed, the normal operation can be influenced, even great danger can be caused to the patient, the head fixing device generally adopted on the market at present generally comprises two arc-shaped fixed chucks and a base, but the head fixing device is not convenient for adjusting the distance between the two fixed chucks, and the head-shoulder distance, the head-top diameter, etc. of children, adults, old people and thin patients are different in size, when the heads of different patients need to be fixed, fixing devices with different sizes need to be replaced to fix the patients, a large amount of resources are wasted, time and labor are wasted, and the use requirements of personnel can not be met, we have therefore proposed a head fixation device for neurosurgery which addresses the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art and providing a head fixing device for neurosurgery.

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

a head fixing device for neurosurgery comprises two fixed chucks, the bottoms of the two fixed chucks are provided with the same base, the top of the base is provided with a rectangular groove, the inner walls of two sides of the rectangular groove are fixedly provided with the same positioning rod, the bottoms of the fixed chucks are fixedly provided with rectangular blocks, the bottoms of the rectangular blocks extend into the rectangular groove, the rectangular blocks are slidably sleeved on the positioning rods, one sides of the two rectangular blocks, which are far away from each other, are respectively provided with a first vertical rod which is slidably sleeved on the positioning rod, one side of the first vertical rod, which is close to the corresponding rectangular block, is fixedly provided with a plurality of first springs between the rectangular blocks, one side of the first vertical rod, which is far away from the corresponding rectangular block, is fixedly provided with a plurality of second springs, one end of the second springs, which is far away from the corresponding first vertical rod, is fixedly arranged with the, and two reels are located between two rectangular blocks, the spool is installed to the rectangular channel internal rotation, and the one end of spool extends to the base outer and fixed mounting has the handle, and the equal fixed mounting in one side that two first montants are close to each other has the stay cord, and the stay cord is kept away from the one end of corresponding first montant and is walked around the top of reel and with the top fixed mounting of spool, first groove has been seted up at the top of handle, and slidable mounting has the second montant in the first groove, and fixed mounting has a plurality of third springs between one side of base and one side inner wall in first groove is kept away from to the second montant, and one side fixed mounting that the second montant is close to the base has the card post, one side that the base is close to the handle is the annular and has seted up a plurality of draw-in grooves, and the one end that the.

Preferably, two first bearings are fixedly mounted on the inner wall of the bottom of the rectangular groove, and inner rings of the first bearings are fixedly sleeved with the outer side of the winding shaft.

Preferably, one side bottom fixed mounting that the base was kept away from to the second montant has first magnet, and fixed mounting has the second magnet on the bottom inner wall in first groove, and the second magnet cooperatees with first magnet.

Preferably, two pin shafts are fixedly mounted on the inner wall of one side of the rectangular groove, a second bearing is fixedly sleeved on each pin shaft, a first round hole is formed in one side of each reel, and the side wall of each first round hole is fixedly sleeved with the outer ring of the corresponding second bearing.

Preferably, one side of the rectangular block is provided with a first square hole, and the first square hole is connected with the positioning rod in a sliding manner.

Preferably, a second square hole is formed in one side of the first vertical rod and is in sliding connection with the positioning rod.

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

by means of the fixed chucks, the base, the rectangular groove, the positioning rod, the rectangular block, the first vertical rod, the second spring, the first spring, the reel, the pull rope, the spool, the handle, the first groove, the second vertical rod, the clamping groove and the clamping column, the second vertical rod is pulled towards the direction far away from the base, the second vertical rod drives the clamping column to be separated from the clamping groove, the third spring is compressed, the second vertical rod drives the first magnet to be adsorbed with the second magnet, then the handle is rotated, the handle drives the spool to wind the two pull ropes, the wound pull force drives the pull rope to slide on the top of the corresponding reel, the pull rope drives the corresponding first vertical rod to slide on the positioning rod and stretches the second spring, the first vertical rod drives the rectangular block to slide on the positioning rod through the corresponding first spring, the two rectangular blocks drive the two fixed chucks to move towards the directions close to each other, and when the proper distance is adjusted, stop rotating the handle to the direction that is close to the base promotes the second montant, and the second montant drives first magnet and second magnet separation, and the third spring that is in compression state at this moment resets and drives a draw-in groove that card post card goes into in a plurality of draw-in grooves through the second montant, and then has accomplished the distance between two fixed chucks and has adjusted, and the setting of first spring can effectually guarantee that fixed chuck and people's head contact all the time.

The utility model relates to a rationally, convenient operation is convenient for adjust the distance between two fixed chucks for can be fit for the patient of different sizes and use, labour saving and time saving has satisfied personnel's user demand.

Drawings

Fig. 1 is a schematic structural view of a head fixation device for neurosurgery according to the present invention;

fig. 2 is a schematic sectional structure view of a portion a in fig. 1.

In the figure: the winding machine comprises a fixed chuck 1, a base 2, a rectangular groove 3, a positioning rod 4, a rectangular block 5, a first vertical rod 6, a second spring 7, a first spring 8, a winding wheel 9, a pulling rope 10, a winding shaft 11, a handle 12, a first groove 13, a second vertical rod 14, a clamping groove 15 and a clamping column 16.

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.

Referring to fig. 1-2, a head fixing device for neurosurgery comprises two fixing chucks 1, the bottom of the two fixing chucks 1 is provided with the same base 2, the top of the base 2 is provided with a rectangular groove 3, the inner walls of both sides of the rectangular groove 3 are fixedly provided with the same positioning rod 4, the bottom of the fixing chuck 1 is fixedly provided with a rectangular block 5, the bottom of the rectangular block 5 extends into the rectangular groove 3, the rectangular block 5 is slidably sleeved on the positioning rod 4, one side of the two rectangular blocks 5 away from each other is provided with a first vertical rod 6 slidably sleeved on the positioning rod 4, a plurality of first springs 8 are fixedly arranged between one side of the first vertical rod 6 close to the corresponding rectangular block 5 and the rectangular block 5, one side of the first vertical rod 6 far away from the corresponding rectangular block 5 is fixedly provided with a plurality of second springs 7, one end of the second spring 7 far away from the corresponding first vertical rod 6 is fixedly arranged with the side wall of the rectangular, two reels 9 are rotatably mounted on the inner wall of one side of the rectangular groove 3, the two reels 9 are positioned between the two rectangular blocks 5, a spool 11 is rotatably mounted in the rectangular groove 3, one end of the spool 11 extends out of the base 2 and is fixedly mounted with a handle 12, pull ropes 10 are fixedly mounted on the sides of the two first vertical rods 6 close to each other, one ends of the pull ropes 10 far away from the corresponding first vertical rods 6 are wound around the tops of the reels 9 and are fixedly mounted with the tops of the spool 11, a first groove 13 is formed in the top of the handle 12, a second vertical rod 14 is slidably mounted in the first groove 13, a plurality of third springs are fixedly mounted between one side of the second vertical rod 14 far away from the base 2 and the inner wall of one side of the first groove 13, a clamping column 16 is fixedly mounted on one side of the second vertical rod 14 close to the base 2, a plurality of clamping grooves 15 are annularly formed on one side of the base 2 close to the handle 12, one end of the clamping column 16 far away from the, two first bearings are fixedly mounted on the inner wall of the bottom of the rectangular groove 3, the inner ring of each first bearing is fixedly sleeved with the outer side of the winding shaft 11, one side of the second vertical rod 14 far away from the base 2 is fixedly mounted with a first magnet, the inner wall of the bottom of the first groove 13 is fixedly mounted with a second magnet, the second magnet is matched with the first magnet, two pin shafts are fixedly mounted on the inner wall of one side of the rectangular groove 3, the second bearings are fixedly sleeved on the pin shafts, a first round hole is formed in one side of the winding wheel 9, the side wall of the first round hole is fixedly sleeved with the outer ring of the corresponding second bearing, a first square hole is formed in one side of the rectangular block 5, the first square hole is slidably connected with the positioning rod 4, a second square hole is formed in one side of the first vertical rod 6, the second square hole is slidably connected with the positioning rod 4, and the rectangular block 5 is slidably connected with the positioning rod through, The first vertical rod 6, the second spring 7, the first spring 8, the reels 9, the pull ropes 10, the winding shaft 11, the handle 12, the first groove 13, the second vertical rod 14, the clamping groove 15 and the clamping column 16 are matched, the second vertical rod 14 is pulled towards the direction far away from the base 2, the second vertical rod 14 drives the clamping column 16 to be separated from the clamping groove 15, the third spring is compressed, the second vertical rod 14 drives the first magnet to be adsorbed with the second magnet, the handle 12 is rotated, the handle 12 drives the winding shaft 11 to wind the two pull ropes 10, the wound pull force drives the pull ropes 10 to slide on the tops of the corresponding reels 9, the pull ropes 10 drive the corresponding first vertical rod 6 to slide on the positioning rod 4 and stretch the second spring 7, the first vertical rod 6 drives the rectangular blocks 5 to slide on the positioning rod 4 through the corresponding first spring 8, the two rectangular blocks 5 drive the two fixed chucks 1 to move towards the directions close to each other, when adjusting suitable distance, stall handle 12, and to the direction promotion second montant 14 that is close to base 2, second montant 14 drives first magnet and second magnet separation, and the third spring that is in compression state resets this moment and drives a draw-in groove 15 that card post 16 card goes into in a plurality of draw-in grooves 15 through second montant 14, and then has accomplished the distance between two fixed chucks 1 and has adjusted, and first spring 8's setting can effectual fixed chuck 1 of assurance and people's head contact all the time, the utility model relates to a rationally, convenient operation is convenient for adjust the distance between two fixed chucks 1, makes can be fit for the patient of different sizes and uses, and labour saving and time saving has satisfied personnel's user demand.

The working principle is as follows: when the device is used, when the distance between the two fixed chucks 1 needs to be adjusted, the second vertical rod 14 is pulled in the direction away from the base 2, the second vertical rod 14 compresses the third spring, meanwhile, the second vertical rod 14 drives the clamping column 16 to move out of one clamping groove 15 of the plurality of clamping grooves 15, at the moment, the second vertical rod 14 drives the first magnet to be adsorbed by the second magnet, the adsorption force is greater than the elastic force of the third spring, then the handle 12 is rotated, the handle 12 drives the winding shaft 11 to rotate in the rectangular groove 3, the winding shaft 11 simultaneously winds the two pull ropes 10, the wound pull force drives the pull ropes 10 to slide at the tops of the corresponding reels 9, the pull ropes 10 drive the corresponding first vertical rods 6 to slide on the positioning rods 4, meanwhile, the first vertical rods 6 stretch the corresponding second springs 7, the first vertical rods 6 drive the rectangular blocks 5 to slide on the positioning rods 4 through the corresponding first springs 8, two rectangle blocks 5 drive two fixed chucks 1 and remove to the direction that is close to each other, when adjusting suitable distance, stall handle 12, promote second montant 14 to the direction that is close to base 2 immediately, second montant 14 drives first magnet and second magnet separation, the third spring that is in compression state this moment resets, the elasticity of third spring drives second montant 14 and resets, second montant 14

drives card post

16 and 15 looks cardings of a draw-in groove in a plurality of draw-in grooves 15, and then the distance between two fixed chucks 1 is adjusted, first spring 8 set up can effectually guarantee fixed chuck 1 and people's head and contact all the time, make can be fit for the patient of different sizes and use, time saving and labor saving, personnel's user demand has been satisfied.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A head fixing device for neurosurgery comprises two fixed chucks (1), wherein the bottoms of the two fixed chucks (1) are provided with the same base (2), and the head fixing device is characterized in that the top of the base (2) is provided with a rectangular groove (3), the inner walls of the two sides of the rectangular groove (3) are fixedly provided with the same positioning rod (4), the bottom of the fixed chuck (1) is fixedly provided with a rectangular block (5), the bottom of the rectangular block (5) extends into the rectangular groove (3), the rectangular block (5) is slidably sleeved on the positioning rod (4), one side of each rectangular block (5) far away from each other is provided with a first vertical rod (6) slidably sleeved on the positioning rod (4), one side of each first vertical rod (6) close to the corresponding rectangular block (5) and the rectangular block (5) are fixedly provided with a plurality of first springs (8), one side of each first vertical rod (6) far away from the corresponding rectangular block (5) is fixedly provided with a plurality of second springs (7), one end of a corresponding first vertical rod (6) and the side wall fixed mounting of rectangular channel (3) are kept away from in second spring (7), rotate on the inner wall of one side of rectangular channel (3) and install two reels (9), and two reels (9) are located between two rectangular blocks (5), spool (11) are installed to rectangular channel (3) internal rotation, the one end of spool (11) extends to base (2) and outer and fixed mounting has handle (12), the equal fixed mounting in one side that two first vertical rods (6) are close to each other has stay cord (10), stay cord (10) keep away from the one end of corresponding first vertical rod (6) and walk around the top of reel (9) and with the top fixed mounting of spool (11), first groove (13) have been seted up at the top of handle (12), slidable mounting has second vertical rod (14) in first groove (13), fixed mounting has a plurality of second vertical rod (14) between the inner wall of one side that base (2) were kept away from in second vertical rod (14) and one side of first groove (13) Third spring, one side fixed mounting that second montant (14) is close to base (2) has card post (16), one side that base (2) are close to handle (12) is the annular and has seted up a plurality of draw-in grooves (15), and one end that handle (12) were kept away from in card post (16) clamps mutually with a draw-in groove (15) in a plurality of draw-in grooves (15).

2. The head fixing device for neurosurgery according to claim 1, characterized in that two first bearings are fixedly mounted on the inner wall of the bottom of the rectangular groove (3), and the inner ring of the first bearing is fixedly sleeved with the outer side of the winding shaft (11).

3. A head fixation device for neurosurgery according to claim 1, characterized in that a first magnet is fixedly mounted on the bottom of the side of the second vertical bar (14) remote from the base (2), a second magnet is fixedly mounted on the inner wall of the bottom of the first groove (13), and the second magnet is matched with the first magnet.

4. The head fixing device for neurosurgery according to claim 1, characterized in that two pins are fixedly mounted on one side inner wall of the rectangular groove (3), a second bearing is fixedly sleeved on the pins, a first round hole is formed on one side of the reel (9), and the side wall of the first round hole is fixedly sleeved with the outer ring of the corresponding second bearing.

5. The head fixation device for neurosurgery according to claim 1, characterized in that a first square hole is opened on one side of said rectangular block (5), and the first square hole is slidably connected with the positioning rod (4).

6. The head fixing device for neurosurgery according to claim 1, characterized in that a second square hole is opened on one side of the first vertical rod (6), and the second square hole is connected with the positioning rod (4) in a sliding way.