Adjustable ophthalmologic operation head position fixator

Abstract

The utility model discloses an adjustable ophthalmologic operation head position fixing device which comprises a fixing device body and is characterized by further comprising two sets of first clamps, the first clamps are arranged on the two sides of the top of the fixing device body, and second clamps are arranged above the first clamps. The adjusting mechanism is arranged at the central position of the fixator main body, the adjusting mechanism comprises a base, a two-way screw rod, driving blocks and a supporting rod, the driving blocks are arranged at the two ends of the two-way screw rod in the base in a sleeving mode, and the supporting rod is arranged at the top of each driving block. By installing the fixator body, the adjusting mechanism, the first clamp and the second clamp, the two sides of the head of a patient are automatically clamped and fixed, the fixing speed is high, panic of the patient can be reduced, automatic adjustment and adaptation can be achieved according to different width conditions of the head of the patient, and meanwhile the fixator is suitable for the patient with the thick head.

Description

Technical Field

[0001] The utility model relates to the technical field of head fixers, in particular to an adjustable head position fixer for ophthalmic surgery. Background Art

[0002] Ophthalmic surgery generally refers to eye surgery, which is surgery performed on the eyes to treat eye-related diseases. Eye surgery can treat a wide range of diseases, such as laser surgery, cataract surgery, fundus retinal surgery, etc.

[0003] During ophthalmic surgery, the patient's eyeballs cannot move around, so a head immobilizer is needed to fix the patient's head to prevent medical accidents caused by shaking of the patient's head. As patients' heads are of different sizes, general head immobilizers need to be manually adjusted by medical staff during use, which is troublesome to adjust and can easily cause panic to the patient. Moreover, general head immobilizers can only fix the two sides of the patient's head, and lack a fixing structure above the forehead, which is inconvenient for young and active patients. Utility Model Content

[0004] The purpose of the utility model is to provide an adjustable ophthalmic surgery head position fixer to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable ophthalmic surgical head position fixator, comprising: a fixator body, characterized in that it also includes

[0006] A first clamp, wherein two groups of the first clamp are provided, and the first clamps are provided on both sides of the top of the fixture body, and a second clamp is provided above each of the first clamps;

[0007] An adjustment mechanism, the adjustment mechanism is arranged at the central position of the fixture body, and the adjustment mechanism includes a base, a bidirectional screw rod, a driving block and a support rod, the driving block is sleeved at both ends of the bidirectional screw rod inside the base, and a support rod is arranged on the top of the driving block;

[0008] The adjustment mechanism further includes a lifting sleeve, and the lifting sleeve is sleeved on the support rod, and one end of the lifting sleeve is connected to the first clamp through the first fixing rod;

[0009] The regulating mechanism also includes a servo motor, and the output end of the servo motor is connected to the bidirectional lead screw.

[0010] Preferably, a headrest is provided at a central position on the top of the fixer body, and the headrest is made of elastic sponge material.

[0011] Preferably, two groups of limiting grooves are provided on the bottom side of the base, and the bottom of the driving block is connected to the limiting grooves via the limiting block.

[0012] Preferably, a first elongated hole is opened on the rear side of the support rod, and the side of the lifting sleeve close to the support rod is sleeved with the support rod through a movable sleeve, and the movable sleeve and the first elongated hole are connected by a first fastener.

[0013] Preferably, the adjustment mechanism also includes auxiliary frames, and the auxiliary frames are respectively arranged at the top ends of the support rods, and the rear sides of the auxiliary frames are provided with fixed blocks, and the fixed blocks are passed through screws, and one end of the screws is connected to the second clamp through a second fixing rod.

[0014] Preferably, a second elongated hole is opened on one side of the auxiliary frame, and the second elongated hole is connected to the fixing block through a second fastener.

[0015] Preferably, the first clamp and the second clamp are both provided with fixing sleeves, and both sides of the fixing sleeves are provided with clamping holes, both sides of the first fixing rod and the second fixing rod close to one end of the fixing sleeve are provided with reserved grooves, and the inside of the reserved grooves is evenly provided with clamping beads through reset springs, and the clamping beads pass through the clamping holes.

[0016] Preferably, the cross-sections of the first clamp and the second clamp are both arc-shaped structures, and silicone protrusions are evenly distributed on one side of the first clamp and the second clamp.

[0017] Compared with the prior art, the beneficial effects of the utility model are as follows: the adjustable ophthalmic surgical head position fixator is equipped with a fixator body, an adjustment mechanism, a base, a bidirectional screw, a drive block, a support rod, a first clamp, a second clamp and a servo motor. The patient's head contacts the fixator body, and the servo motor drives the bidirectional screw to rotate, so that the drive blocks are close to each other, and the support rod and the first clamp are close to each other, so that the two sides of the patient's head are clamped and fixed. The fixing speed is fast, which can reduce the patient's panic. It can automatically adjust and adapt according to the width of the patient's head. At the same time, by providing a first long hole, a first fastener and a movable sleeve, the adjustable movable sleeve is located at a height position on the support rod, thereby adjusting the height of the first clamp, so that the fixator body is suitable for some patients with thicker heads. In addition, by providing an auxiliary frame and a second clamp, the upper part of both sides of the patient's forehead can be fixed, further increasing the stability during fixation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a front view structural schematic diagram of the utility model;

[0019] Figure 2 This is a rear view structural diagram of the support rod of the utility model;

[0020] Figure 3 For the utility model Figure 1 The enlarged structural diagram at A in the middle;

[0021] Figure 4 It is a schematic diagram of the cross-sectional structure of the fixing sleeve of the utility model.

[0022] In the figure: 1. Fixer body; 2. Adjustment mechanism; 201. Base; 202. Bidirectional screw; 203. Drive block; 204. Limiting groove; 205. Support rod; 2051. First long hole; 2052. Movable sleeve; 2053. First fastener; 206. Lifting sleeve; 207. Auxiliary frame; 2071. Second long hole; 2072. Second fastener; 2073. Fixing block; 2074. Screw; 208. Servo motor; 3. Headrest; 4. Clamping hole; 5. First fixing rod; 6. First clamp; 7. Second clamp; 8. Second fixing rod; 9. Fixing sleeve; 10. Silicone convex particle; 11. Clamping bead; 12. Reserved groove; 13. Reset spring. DETAILED DESCRIPTION

[0023] 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. 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.

[0024] See also Figure 1-4 The utility model provides an embodiment: an adjustable ophthalmic surgery head position fixator, comprising: a fixator body 1, and also comprising

[0025] A first clamp 6, wherein two sets of the first clamp 6 are provided, and the first clamp 6 is provided on both sides of the top of the fixture body 1, and a second clamp 7 is provided above each of the first clamps 6;

[0026] A headrest 3 is provided at the central position of the top of the fixator body 1, and the headrest 3 is made of elastic sponge material. The fixator body 1 is installed on the ophthalmic operating table, and the patient's head contacts the headrest 3 on the top of the fixator body 1;

[0027] The adjusting mechanism 2 is arranged at the central position of the fixing body 1, and the adjusting mechanism 2 includes a base 201, a bidirectional screw rod 202, a driving block 203 and a support rod 205. The driving block 203 is sleeved at both ends of the bidirectional screw rod 202 inside the base 201, and a support rod 205 is arranged on the top of the driving block 203;

[0028] The adjustment mechanism 2 further includes a lifting sleeve 206, and the lifting sleeve 206 is sleeved on the support rod 205, and one end of the lifting sleeve 206 is connected to the first clamp 6 through the first fixing rod 5;

[0029] The adjustment mechanism 2 further includes a servo motor 208, and the output end of the servo motor 208 is connected to the bidirectional screw rod 202;

[0030] The servo motor 208 drives the bidirectional screw rod 202 to rotate, so that the driving blocks 203 are close to each other, so that the support rod 205 and the first clamp 6 are close to each other, and the two sides of the patient's head are clamped and fixed. The fixing speed is fast, which can reduce the patient's panic, and can automatically adjust and adapt according to the different widths of the patient's head.

[0031] Two groups of limiting grooves 204 are provided on the bottom side of the base 201. The bottom of the driving block 203 is connected to the limiting grooves 204 through the limiting blocks, so as to guide and limit the driving block 203.

[0032] The rear side of the support rod 205 is provided with a first long hole 2051, and the side of the lifting sleeve 206 close to the support rod 205 is sleeved with the support rod 205 through a movable sleeve 2052, and the movable sleeve 2052 and the first long hole 2051 are connected by a first fastener 2053;

[0033] The adjustable sleeve 2052 is located at a height position on the support rod 205 and is locked by the first fastener 2053, so as to adjust the height of the first clamp 6, so that the fixator body 1 is suitable for some patients with thicker heads;

[0034] The adjustment mechanism 2 further includes an auxiliary frame 207, and the auxiliary frames 207 are respectively arranged at the top ends of the support rods 205, and the rear sides of the auxiliary frames 207 are respectively provided with fixing blocks 2073, and the fixing blocks 2073 are respectively penetrated by screw rods 2074, and one end of the screw rods 2074 is respectively connected to the second clamp 7 through the second fixing rod 8;

[0035] For some active patients, the second clamp 7 can be driven to move to contact both sides of the patient's forehead by rotating the screw 2074 to further increase the stability during fixation;

[0036] A second long hole 2071 is formed on one side of the auxiliary frame 207, and the second long hole 2071 is connected to the fixing block 2073 via a second fastener 2072;

[0037] The second fastener 2072 can be loosened and then the position of the fixing block 2073 on the auxiliary frame 207 can be adjusted, so that the inclination angle of the second clamp 7 can be adjusted to meet different head fixing requirements, further improving the applicability of the fixator body 1;

[0038] The cross-sections of the first clamp 6 and the second clamp 7 are both arc-shaped structures, and silicone protrusions 10 are evenly distributed on one side of the first clamp 6 and the second clamp 7, so as to improve comfort when fixing the patient's head;

[0039] The first clamp 6 and the second clamp 7 are both provided with a fixing sleeve 9, and both sides of the fixing sleeve 9 are provided with a clamping hole 14, and both sides of the first fixing rod 5 and the second fixing rod 8 near one end of the fixing sleeve 9 are provided with a reserved groove 12, and the inside of the reserved groove 12 is evenly provided with a clamping bead 11 through a reset spring 13, and the clamping bead 11 passes through the clamping hole 4;

[0040] When the operation is finished, the beads 11 on both sides of the fixing sleeve 9 can be pressed to squeeze the return spring 13 and store it in the reserved groove 12, and then the fixing sleeve 9 can be separated from the first fixing rod 5 and the second fixing rod 8 respectively, and the first clamp 6 and the second clamp 7 can be disassembled for disinfection;

[0041] The specific model and specifications of the servo motor 208 need to be determined by selection calculation based on the specification parameters of the device. The selection calculation method is existing technology, so it will not be described in detail.

[0042] Working principle: When the embodiment of the present application is in use, the fixator body 1 is installed on the ophthalmic operating bed, and the patient's head contacts the headrest 3 on the top of the fixator body 1. Then the servo motor 208 drives the bidirectional screw rod 202 to rotate, so that the driving blocks 203 are close to each other, so that the support rod 205 and the first clamp 6 are close to each other, and the two sides of the patient's head are clamped and fixed. The fixing speed is fast, which can reduce the patient's panic. It can automatically adjust and adapt according to the width of the patient's head. At the same time, the height position of the adjustable movable sleeve 2052 on the support rod 205 is locked by the first fastener 2053, so as to adjust the height of the first clamp 6, so that the fixator body 1 is suitable for some patients with thicker heads. In addition, For some active patients, the second clamp 7 can be driven to move to contact both sides of the patient's forehead by rotating the screw 2074, thereby further increasing the stability during fixation. At the same time, the second fastener 2072 can be loosened and then the position of the fixing block 2073 on the auxiliary frame 207 can be adjusted to adjust the inclination angle of the second clamp 7 to meet different head fixation requirements, thereby further improving the applicability of the fixator body 1. When the operation is completed, the beads 11 on both sides of the fixing sleeve 9 can be pressed to squeeze the reset spring 13 and store it in the reserved groove 12. After that, the fixing sleeve 9 can be separated from the first fixing rod 5 and the second fixing rod 8 respectively, and the first clamp 6 and the second clamp 7 can be disassembled for disinfection.

[0043] Obviously, the embodiments described above are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0044] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0045] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0046] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An adjustable ophthalmic surgical head position fixator, comprising: The fixing body (1) is characterized in that it also includes A first clamp (6), wherein two groups of the first clamp (6) are provided, and the first clamp (6) is provided on both sides of the top of the fixture body (1), and a second clamp (7) is provided above each of the first clamps (6); An adjustment mechanism (2), the adjustment mechanism (2) being arranged at a central position of the fixing body (1), and the adjustment mechanism (2) comprising a base (201), a bidirectional screw rod (202), a driving block (203) and a support rod (205), the driving block (203) being sleeved at both ends of the bidirectional screw rod (202) inside the base (201), and a support rod (205) being arranged at the top of the driving block (203); The adjustment mechanism (2) further comprises a lifting sleeve (206), and the lifting sleeve (206) is sleeved on the support rod (205), and one end of the lifting sleeve (206) is connected to the first clamp (6) through the first fixing rod (5); The regulating mechanism (2) further comprises a servo motor (208), and the output end of the servo motor (208) is connected to the bidirectional lead screw (202).

2. The adjustable ophthalmic surgical head position fixator according to claim 1, characterized in that: A headrest (3) is arranged at the central position of the top of the fixing body (1), and the headrest (3) is made of elastic sponge material.

3. The adjustable ophthalmic surgical head position fixator according to claim 1, characterized in that: Two groups of limiting grooves (204) are provided on the bottom side of the base (201), and the bottom of the driving block (203) is connected to the limiting grooves (204) via the limiting block.

4. The adjustable ophthalmic surgical head position fixator according to claim 1, characterized in that: The rear side of the support rod (205) is provided with a first elongated hole (2051), and the side of the lifting sleeve (206) close to the support rod (205) is sleeved with the support rod (205) via a movable sleeve (2052), and the movable sleeve (2052) and the first elongated hole (2051) are connected via a first fastener (2053).

5. The adjustable ophthalmic surgical head position fixator according to claim 1, characterized in that: The adjustment mechanism (2) further comprises an auxiliary frame (207), and the auxiliary frame (207) is respectively arranged at the top end of the support rod (205), and a fixing block (2073) is arranged on the rear side of each of the auxiliary frames (207), and a screw rod (2074) passes through each of the fixing blocks (2073), and one end of each of the screw rods (2074) is connected to the second clamp (7) via a second fixing rod (8).

6. The adjustable ophthalmic surgical head position fixator according to claim 5, characterized in that: A second elongated hole (2071) is provided on one side of the auxiliary frame (207), and the second elongated hole (2071) is connected to a fixing block (2073) via a second fastener (2072).

7. The adjustable ophthalmic surgical head position fixator according to claim 1, characterized in that: The first clamp (6) and the second clamp (7) are both provided with a fixing sleeve (9), and both sides of the fixing sleeve (9) are provided with a clamping hole (14), and both sides of the first fixing rod (5) and the second fixing rod (8) close to one end of the fixing sleeve (9) are provided with a reserved groove (12), and the inside of the reserved groove (12) is evenly provided with a clamping bead (11) through a reset spring (13), and the clamping bead (11) passes through the clamping hole (4).

8. The adjustable ophthalmic surgical head position fixator according to claim 1, characterized in that: The cross-sections of the first clamp (6) and the second clamp (7) are both arc-shaped structures, and silicone protrusions (10) are evenly distributed on one side of the first clamp (6) and the second clamp (7).

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