Head fixator with good fixing effect

Abstract

The utility model discloses a head fixer with a good fixing effect, which comprises a bottom plate, a connecting plate is fixedly connected to the axis of the top of the bottom plate, a soft pillow is fixedly connected to the top of the connecting plate, supporting rods are fixedly connected to two sides of the top of the bottom plate, a box body is fixedly connected to the tops of the supporting rods, and the box body is fixedly connected to the top of the bottom plate. And a toothed plate is arranged at the axis between the two sides of the inner cavity of the box body. A transverse plate is pulled upwards through a grip until a clamping block moves out of a clamping groove, the transverse plate is rotated, a gear is driven to rotate through a movable rod and a rotating rod, a connecting rod and all structures on the connecting rod are driven to move integrally through a toothed plate, and the two sides of the head lying on the soft pillow are clamped and fixed; the contact area with the head of the patient is increased through the arc-shaped clamping plate and the soft blocks, borne pressure is reduced, meanwhile, the comfort degree of the head of the patient during clamping can be increased through the soft blocks, the good fixing effect is guaranteed, and use by people is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to a head fixator with good fixing effect. Background Art

[0002] During ophthalmic surgery, the patient's head needs to be fixed to prevent it from shaking. A head fixator is used to fix the patient's head.

[0003] Existing head fixators often rely on two fixing plates to directly clamp the patient's head for fixation. Due to the different head shapes of different patients, the shape of the fixing plate cannot match the shape of the patient's head. The contact area between the fixing plate and the patient's head is small. In order to achieve a better fixation effect, a large clamping force is required. When the contact area is small, the pressure on the patient's head increases. In order to ensure the patient's comfort, it is difficult to ensure a good fixation effect, which brings inconvenience to people's use. Therefore, a head fixator with good fixation effect is introduced in a targeted manner. Utility Model Content

[0004] The utility model aims to provide a head fixator with good fixing effect, which has the advantage of good fixing effect and solves the problem that the existing head fixator often relies on two fixing plates to directly clamp the patient's head for fixing. Since the head shapes of different patients are different, the shape of the fixing plate cannot match the shape of the patient's head. The contact area between the fixing plate and the patient's head is small. In order to achieve a better fixing effect, a large clamping force is required. When the contact area is small, the pressure on the patient's head becomes large. In order to ensure the comfort of the patient, it is difficult to ensure a good fixing effect, which brings inconvenience to people's use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a head fixer with good fixing effect, comprising a bottom plate, a connecting plate is fixedly connected to the axis center of the top of the bottom plate, a soft pillow is fixedly connected to the top of the connecting plate, both sides of the top of the bottom plate are fixedly connected to support rods, the top of the support rods is fixedly connected to a box body, a tooth plate is arranged at the axis center between the two sides of the inner cavity of the box body, a connecting rod is fixedly connected to the side of the tooth plate close to the soft pillow, and a side of the connecting rod away from the tooth plate passes through to the side of the box body close to the soft pillow and is fixedly connected to a splint, A soft block is fixedly connected to the side of the splint away from the connecting rod, a rotating rod is movably connected to the side of the bottom front side of the inner cavity of the box body close to the soft pillow through a bearing, a groove is provided on the top of the rotating rod, a spring is fixedly connected to the bottom of the inner cavity of the groove, a movable rod is fixedly connected to the top of the spring, the top of the movable rod passes through the top of the box body and is fixedly connected to a cross plate, a clamping block is fixedly connected to the side of the bottom of the cross plate away from the soft pillow, the top of the box body is fixedly connected to a fixed block, a clamping groove is provided on the top of the fixed block, and a gear is sleeved on the surface of the rotating rod.

[0006] Preferably, a handle is fixedly connected to a side of the top of the horizontal plate away from the soft pillow, and a non-slip pad is provided on the surface of the handle.

[0007] Preferably, a first sliding block is fixedly connected to a side of the bottom of the tooth plate away from the soft pillow, and a first sliding groove matched with the first sliding block is provided at the bottom of the inner cavity of the box body.

[0008] Preferably, the gear is meshed with the toothed plate, and a first through hole matched with the connecting rod is provided on a side of the box body close to the soft pillow.

[0009] Preferably, a second through hole adapted to the movable rod is provided on one side of the top of the box body close to the soft pillow, and the bottom of the card block penetrates into the inner cavity of the card slot.

[0010] Preferably, the bottoms of both sides of the movable rod are fixedly connected with second sliding blocks, and the two sides of the inner cavity of the groove are provided with second sliding grooves adapted to the second sliding blocks.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model pulls the horizontal plate upwards through the grip until the card block moves out of the card slot, rotates the horizontal plate, drives the gear to rotate through the movable rod and the rotating rod, drives the connecting rod and all the structures on the connecting rod to move as a whole through the toothed plate, clamps and fixes the two sides of the head lying flat on the soft pillow, relies on the arc-shaped clamping plate and multiple soft blocks to increase the contact area with the patient's head and reduce the pressure borne. At the same time, the presence of the soft blocks can increase the comfort of the patient's head when clamping, ensure a good fixing effect, and facilitate people's use.

[0013] 2. The utility model can limit the tooth plate by setting the first slider and the first slide groove, can ensure the normal operation of the connecting rod by setting the first through hole, can ensure the normal operation of the movable rod by setting the second through hole, and can limit the movable rod by setting the second slider and the second slide groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the structure of the utility model;

[0016] Figure 3 For this utility model Figure 2 A schematic diagram of the enlarged cross-section of the local structure.

[0017] In the figure: 1. bottom plate; 2. connecting plate; 3. soft pillow; 4. supporting rod; 5. box body; 6. tooth plate; 7. connecting rod; 8. clamping plate; 9. soft block; 10. rotating rod; 11. groove; 12. spring; 13. movable rod; 14. horizontal plate; 15. clamping block; 16. fixing block; 17. clamping slot; 18. gear; 19. handle; 20. anti-slip pad. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-3A head fixer with good fixing effect comprises a bottom plate 1, a connecting plate 2 is fixedly connected to the axis center of the top of the bottom plate 1, a soft pillow 3 is fixedly connected to the top of the connecting plate 2, both sides of the top of the bottom plate 1 are fixedly connected to support rods 4, the top of the support rods 4 is fixedly connected to a box body 5, a tooth plate 6 is arranged at the axis center between the two sides of the inner cavity of the box body 5, a first slider is fixedly connected to the side of the bottom of the tooth plate 6 away from the soft pillow 3, a first slide groove adapted to the first slider is provided at the bottom of the inner cavity of the box body 5, the tooth plate 6 can be limited by setting the first slider and the first slide groove, a connecting rod 7 is fixedly connected to the side of the tooth plate 6 close to the soft pillow 3, and the connecting rod 7 penetrates to the side away from the tooth plate 6 A clamping plate 8 is fixedly connected to one side of the box body 5 close to the soft pillow 3, and a soft block 9 is fixedly connected to the side of the clamping plate 8 away from the connecting rod 7. A rotating rod 10 is movably connected to the side of the bottom front side of the inner cavity of the box body 5 close to the soft pillow 3 through a bearing. A groove 11 is provided on the top of the rotating rod 10. A spring 12 is fixedly connected to the bottom of the inner cavity of the groove 11. A movable rod 13 is fixedly connected to the top of the spring 12. The bottoms of both sides of the movable rod 13 are fixedly connected to second sliders. Second slide grooves adapted to the second sliders are provided on both sides of the inner cavity of the groove 11. By setting the second slider and the second slide groove, the movable rod 13 can be limited. The top of the movable rod 13 passes through the top of the box body 5 and is fixed. A horizontal plate 14 is connected, and a handle 19 is fixedly connected to the side of the top of the horizontal plate 14 away from the soft pillow 3. The surface of the handle 19 is sleeved with an anti-slip pad 20, and a clamping block 15 is fixedly connected to the side of the bottom of the horizontal plate 14 away from the soft pillow 3. A fixing block 16 is fixedly connected to the top of the box body 5, and a clamping groove 17 is provided on the top of the fixing block 16. A second through hole adapted to the movable rod 13 is provided on the side of the top of the box body 5 close to the soft pillow 3, and the bottom of the clamping block 15 penetrates into the inner cavity of the clamping groove 17. By setting the second through hole, the normal operation of the movable rod 13 can be guaranteed. A gear 18 is sleeved on the surface of the rotating rod 10, and the gear 18 is meshed with the tooth plate 6. The side of the box body 5 close to the soft pillow 3 is provided with a There is a first through hole adapted to the connecting rod 7. By setting the first through hole, the normal operation of the connecting rod 7 can be guaranteed. The horizontal plate 14 is pulled upward by the handle 19 until the block 15 moves out of the slot 17, and the horizontal plate 14 is rotated. The gear 18 is driven to rotate by the movable rod 13 and the rotating rod 10, and the connecting rod 7 and all structures on the connecting rod 7 are driven to move as a whole through the toothed plate 6, so as to clamp and fix both sides of the head lying flat on the soft pillow 3. The contact area with the patient's head is increased by relying on the arc-shaped clamping plate 8 and multiple soft blocks 9, and the pressure borne is reduced. At the same time, the presence of the soft block 9 can increase the comfort of the patient's head during clamping, ensure a good fixing effect, and facilitate people's use.

[0020] When in use, the patient's head lies flat on the top of the soft pillow 3, and the cross plate 14 is pulled upward by the handle 19 until the block 15 moves out of the slot 17, and the cross plate 14 is rotated. The gear 18 is driven to rotate through the movable rod 13 and the rotating rod 10, and the connecting rod 7 and all structures on the connecting rod 7 are driven to move as a whole through the toothed plate 6, so as to clamp and fix the two sides of the head lying flat on the soft pillow 3, and rely on the arc-shaped clamping plate 8 and multiple soft blocks 9 to increase the contact area with the patient's head and reduce the pressure. At the same time, the presence of the soft blocks 9 can increase the comfort of the patient's head when clamping, ensure a good fixing effect, and facilitate people's use.

[0021] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A head fixator with good fixation effect, comprising a base plate (1), characterized in that: A connecting plate (2) is fixedly connected to the axis center of the top of the bottom plate (1), a soft pillow (3) is fixedly connected to the top of the connecting plate (2), support rods (4) are fixedly connected to both sides of the top of the bottom plate (1), the top of the support rods (4) is fixedly connected to a box (5), a tooth plate (6) is provided at the axis center between the two sides of the inner cavity of the box (5), a connecting rod (7) is fixedly connected to the side of the tooth plate (6) close to the soft pillow (3), the side of the connecting rod (7) away from the tooth plate (6) passes through the side of the box (5) close to the soft pillow (3) and is fixedly connected to a clamping plate (8), the side of the clamping plate (8) away from the connecting rod (7) is fixedly connected to a soft block (9), the inner cavity of the box (5) is provided with a tooth plate (6) at the axis center between the two sides of the inner cavity of the box (5), the connecting rod (7) is fixedly connected to the side of the box (5) close to the soft pillow (3), and the clamping plate (8) is fixedly connected to the side of the box (5) close to the soft pillow (3). A rotating rod (10) is movably connected to the side of the front side of the bottom of the cavity close to the soft pillow (3) through a bearing, a groove (11) is provided at the top of the rotating rod (10), a spring (12) is fixedly connected to the bottom of the inner cavity of the groove (11), a movable rod (13) is fixedly connected to the top of the spring (12), the top of the movable rod (13) passes through the top of the box body (5) and is fixedly connected to a transverse plate (14), a clamping block (15) is fixedly connected to the side of the bottom of the transverse plate (14) away from the soft pillow (3), a fixed block (16) is fixedly connected to the top of the box body (5), a clamping groove (17) is provided at the top of the fixed block (16), and a gear (18) is sleeved on the surface of the rotating rod (10).

2. A head fixator with good fixation effect according to claim 1, characterized in that: A handle (19) is fixedly connected to the top of the transverse plate (14) at a side away from the soft pillow (3), and a non-slip pad (20) is provided on the surface of the handle (19).

3. A head fixator with good fixation effect according to claim 1, characterized in that: A first sliding block is fixedly connected to the side of the bottom of the tooth plate (6) away from the soft pillow (3), and a first sliding groove adapted to the first sliding block is provided at the bottom of the inner cavity of the box body (5).

4. A head fixator with good fixation effect according to claim 1, characterized in that: The gear (18) is meshed with the toothed plate (6), and a first through hole adapted to the connecting rod (7) is provided on a side of the box body (5) close to the soft pillow (3).

5. A head fixator with good fixation effect according to claim 1, characterized in that: A second through hole adapted to the movable rod (13) is provided on one side of the top of the box body (5) close to the soft pillow (3), and the bottom of the clamping block (15) penetrates into the inner cavity of the clamping slot (17).

6. A head fixator with good fixation effect according to claim 1, characterized in that: The bottoms of both sides of the movable rod (13) are fixedly connected with second sliding blocks, and the inner cavity of the groove (11) is provided with second sliding grooves adapted to the second sliding blocks on both sides.

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