CN117547429A - Ophthalmic surgery fixing device - Google Patents

Abstract

The invention provides an ophthalmic surgery fixing device, which relates to the technical field of ophthalmic surgery auxiliary instruments, and comprises: the device comprises a head support, an eyeball support, an adjusting assembly, an adjusting base and a surgical instrument support; the head support is used for fixing the head of a patient, the eyeball support is used for fixing the eyeball, and the surgical instrument support is used for stabilizing a surgical instrument. The invention can avoid the head of a patient from moving in the operation process, can ensure that the eyeballs of the patient are basically in a motionless state, is matched with the surgical instrument bracket for use, assists in stabilizing the surgical instrument, ensures the accuracy and the safety in the operation process, can provide a better operation environment for the ophthalmic operation, and can be applied to help improve the success rate of the ophthalmic operation and the treatment effect of the patient.

Description

Ophthalmic surgery fixing device

Technical Field

The invention relates to the technical field of ophthalmic surgery auxiliary instruments, in particular to an ophthalmic surgery fixing device.

Background

Ophthalmic surgery is one of the accepted high-level risk surgeries, and the small error operation can cause irreversible damage to eyeballs, and serious cases of great bleeding, blindness and the like of the eyeballs can cause psychological and physiological injuries to patients.

Stability during ophthalmic surgery, particularly eye positioning and surgical procedures, is currently of paramount importance. However, the conventional surgical fixation method has some limitations such as eye movement during surgery, collision of surgical instruments, etc. Therefore, there is a need to develop a new ophthalmic surgical fixation apparatus to improve the accuracy and safety of the surgery.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the ophthalmic surgery fixing device which solves the problems of difficult operation and easy occurrence of medical accidents of the ophthalmic surgery.

Technical proposal

In order to achieve the above purpose, the invention is realized by the following technical scheme:

an ophthalmic surgical fixation apparatus comprising:

a head support for fixing the head of a patient;

the eyeball support is positioned above the head support and is used for fixing eyeballs;

the main body part of the adjusting component is fixedly arranged with the head support, and the adjustable end of the adjusting component is fixedly arranged with the eyeball support and is used for adjusting the position and the angle of the eyeball support;

the surgical instrument bracket is positioned at one side of the eyeball bracket and is used for assisting in stabilizing the surgical instrument;

the adjusting base is fixed on the main body part, and the adjustable end of the adjusting base is fixedly arranged with the surgical instrument bracket.

Further, the head support includes:

the hard pad is in a shape simulating the back and the head of a human body, and the head profiling pad is fixedly arranged at the top of the hard pad;

the forehead fixing piece and the chin support piece are arranged above the head profiling pad and correspond to the forehead and the chin of a patient on the head profiling pad;

the interlocking assembly is fixedly arranged on the hard base plate, a first toothed plate and a second toothed plate are clamped on the interlocking assembly in a one-way sliding mode, the directions of the first toothed plate, the second toothed plate and the interlocking assembly are opposite, one of the first toothed plate and the second toothed plate is in an unlocking state when the other of the first toothed plate and the second toothed plate slides, the forehead fixing part is fixedly connected with the first toothed plate through a connecting frame body, and the chin rest part is fixedly connected with the second toothed plate through a connecting part.

Further, the interlock assembly includes:

the box body is provided with an opening at the top end, a first through hole and a second through hole which are distributed up and down are formed in the side face of the box body, and the box body and the hard backing plate are fixedly arranged;

the inverted U-shaped frame body is characterized in that the bottom of the inverted U-shaped frame body is positioned at the inner side of the box body, a second latch piece is fixedly arranged at the position, corresponding to the first through hole, of the inner side of the inverted U-shaped frame body, a first latch piece is fixedly arranged at the position, corresponding to the second through hole, of the inner side of the inverted U-shaped frame body, and the directions of inclined planes of the first latch piece and the second latch piece are opposite;

the elastic piece is fixedly arranged at the inner bottom of the box body and is used for elastically supporting the bottom end of the inverted U-shaped frame body;

the top of the inverted U-shaped frame body extends out of the box body, the anti-falling nail is fixedly arranged at the top opening of the box body, and the anti-falling nail is positioned at the inner side of the inverted U-shaped frame body.

Further, the adjustment assembly includes:

the first adjusting ring is rotatably connected with the inner side wall of the round hole on the side face of the connecting frame body, an inner thread is arranged on the inner side of the first adjusting ring, and a rough part for manual rotation is arranged at the end part of the first adjusting ring;

the adjusting rod is characterized in that one end of the adjusting rod is in threaded connection with the first adjusting ring, and the rotatable adjusting and installing assembly is fixedly arranged at the other end of the adjusting rod.

Further, the rotatable adjusting installation assembly comprises a first installation assembly and a second installation assembly, the first installation assembly is rotationally connected with the second installation assembly, and the first installation assembly is fixedly installed with the adjusting rod;

the eyeball support comprises: the control rod, one end and the second installation component fixed mounting of control rod, the other end fixed mounting of control rod has U type fastener, the inboard rotation of U type fastener is installed the ring part.

Further, the adjustment base includes:

the fixing frame is fixed relative to the head support, a long slot hole is formed in the top of the fixing frame, and an L-shaped supporting piece is fixedly arranged on the inner side of the fixing frame;

the foot part of the 'n' -shaped sliding piece is positioned at the inner side of the fixed frame and supported above the 'L' -shaped supporting piece, the head part of the 'n' -shaped sliding piece extends out of the fixed frame upwards from the long groove hole, and the foot part of the 'n' -shaped sliding piece is tightly contacted with the inner side wall of the fixed frame by virtue of the elasticity of the two foot parts of the 'n' -shaped sliding piece towards two sides;

the top of the sliding piece in the shape of a Chinese character 'ji' is rotatably provided with a second adjusting ring, and the inner side of the second adjusting ring is provided with a lifting rod in a threaded manner.

Further, the surgical instrument holder includes:

the storage box is provided with an opening at the top end, the bottom of the storage box is fixedly arranged with the top end of the lifting rod, a bracket is fixedly arranged on the side surface of the storage box, and a rigid cushion block is arranged at the top of the bracket;

the sliding mounting seat slides on the inner side of the storage box, a spring assembly is fixedly mounted at the bottom end of the sliding mounting seat, and the bottom end of the spring assembly is fixedly mounted with the inner bottom of the storage box;

the operation panel, one end of the operation panel is rotationally connected with the top of the sliding installation seat, a transparent plate is fixedly arranged on one side of the operation panel far away from the sliding installation seat, a step hole is formed in the top of the transparent plate, the step hole is of a big-end-up structure and a small-end-down structure, an elastic ball ring is fixedly arranged in a big hole of the step hole, the elastic ball ring protrudes upwards, a rigid ball ring is fixedly arranged in a small hole of the step hole, and the rigid ball ring faces downwards Fang Tuqi;

the middle section of the handle of the special scalpel is provided with a ball part, the ball part is positioned on the inner side of the rigid ball ring and the inner side of the elastic ball ring, and the ball part is fixedly connected with the top of the elastic ball ring.

Further, the sliding mounting seat is of an inverted T-shaped structure, and limit nails are fixedly mounted on the side face of the storage box and above the transverse plate of the sliding mounting seat.

Further, the top of elasticity ball ring is provided with annular external member, the side of ball portion is provided with cylindricality installation department, annular external member cover is established in the outside of cylindricality installation department, and installs a plurality of screws from annular external member outside level, with annular external member and cylindricality installation department fixed mounting.

Further, the upper surface of the operation table is a rough surface.

Advantageous effects

The invention provides an ophthalmic surgery fixing device. The beneficial effects are as follows:

1. according to the invention, the head support and the eyeball support are designed, the main body part of the adjusting assembly is fixedly arranged with the head support, the adjustable end of the adjusting assembly is fixedly arranged with the eyeball support, the eyeball support is close to the eyes of a patient after the head of the patient is fixed on the head support, and then the adjusting assembly is used for adjusting the position and the angle of the eyeball support, so that the eyeballs of the patient can be conveniently fixed, the head of the patient can be prevented from moving in the operation process, the eyeballs of the patient can be ensured to be basically in a motionless state, the adjusting assembly is matched with the operation instrument support for use, the operation instrument is assisted to be stabilized, the accuracy and the safety in the operation process are ensured, a better operation environment can be provided for the ophthalmic operation, and the application of the device can be beneficial to improving the success rate of the ophthalmic operation and the treatment effect of the patient.

2. According to the invention, the forehead fixing piece and the chin support piece are in linkage, after the head of a patient leans against the head profiling pad, the hands of an operator push from the two sides of the forehead fixing piece and the chin support piece towards the middle, the forehead fixing piece and the chin support piece are utilized to fix the head of the patient, in the adjusting process, when one of the first toothed plate and the second toothed plate is in sliding, the interlocking assembly is in an unlocking state, so that a user can not only adjust the forehead fixing piece and the chin support piece to clamp the head of the patient, but also integrally adjust the positions of the forehead fixing piece and the chin support piece, and the adjustment is very convenient.

3. According to the invention, the adjusting base is designed, so that the adjusting base can slide along the length direction of the head of a patient and can slide up and down to adjust the height of the surgical instrument bracket, so that the surgical instrument bracket has a wider application range; the surgical instrument support is designed as an operating table capable of rotating upwards, and in the use process, the operating table is pressed by an operator in a horizontal state, and when the operation is finished or stopped, a user can directly lift the operating table without adjusting the adjusting base, so that the surgical instrument can be rapidly separated from the eyes of a patient, and the operation is very convenient; the transparent plate is arranged on one side of the operation table, and is covered above eyes of a patient in the operation process, so that sundries, sweat and clothes scraps are not easy to fall down to the eyes of the patient in the operation process of an operator, and the safety of the operation can be improved; the special scalpel is designed (the ball part is added to the handle part of the conventional scalpel), the elastic ball ring protruding upwards and the rigid ball ring protruding downwards are designed on the operating table, the ball part is fixedly connected with the top of the elastic ball ring, an operator needs to exert force downwards when manipulating the special scalpel, the elastic ball ring is deformed, when the force is reduced, the special scalpel can be positioned at a higher position under the action of the resilience force of the elastic ball ring, the special scalpel is more stable relative to the operator, the operation is easier, the rigid ball ring at the bottom plays a limiting role, and the operator is prevented from exerting too much force to cause larger injury to a patient.

Drawings

Fig. 1 is a schematic perspective view of an ophthalmic surgical fastening device according to the present invention;

FIG. 2 is a front view of an ophthalmic surgical fixation apparatus according to the present invention;

FIG. 3 is a top view of an ophthalmic surgical fixation apparatus according to the present invention;

fig. 4 is a schematic perspective view of a head and eyeball fixing structure of an ophthalmic surgery fixing device according to the present invention;

FIG. 5 is a top view of a head, eye-ball fixation structure of an ophthalmic surgical fixation apparatus according to the present invention;

FIG. 6 is an enlarged view of FIG. 5 at C;

FIG. 7 is a cross-sectional view taken along section line A-A of FIG. 5;

FIG. 8 is an enlarged view of FIG. 7 at B;

FIG. 9 is a perspective view of an adjustment base of an ophthalmic surgical fixation apparatus according to the present invention;

FIG. 10 is a schematic perspective view of a surgical instrument holder for an ophthalmic surgical fixation apparatus according to the present invention;

FIG. 11 is a front view of a surgical instrument holder of an ophthalmic surgical fixation apparatus according to the present invention;

FIG. 12 is a cross-sectional view taken along line D-D of FIG. 11;

FIG. 13 is a top view of a surgical instrument holder for an ophthalmic surgical fixation apparatus according to the present invention;

FIG. 14 is a cross-sectional view taken along line E-E of FIG. 13;

fig. 15 is an enlarged view of fig. 14 at F.

1, a head support; 101. a hard backing plate; 102. forehead fixing pieces; 103. a chin rest; 104. a head profiling pad; 105. an interlock assembly; 1051. a case body; 1052. a first through hole; 1053. a second through hole; 1054. an inverted U-shaped frame body; 1055. a first latch member; 1056. a second latch member; 1057. an elastic member; 1058. an anti-falling nail; 106. a first toothed plate; 107. a second toothed plate; 108. the connecting frame body; 2. an eyeball support; 201. a joystick; 202. a U-shaped clamping piece; 203. a ring member; 3. an adjustment assembly; 301. a first adjusting ring; 302. an adjusting rod; 303. a rotatable adjustment mounting assembly; 3031. a first mounting assembly; 3032. a second mounting assembly; 4. a surgical instrument holder; 401. a storage box; 402. an operation table; 403. a transparent plate; 404. a special scalpel; 405. a bracket; 406. a rigid cushion block; 407. a spring assembly; 408. a sliding mounting seat; 409. a limit nail; 410. a step hole; 411. an elastic ball ring; 412. a rigid ball ring; 413. a ball section; 414. a cylindrical mounting portion; 415. an annular sleeve; 5. adjusting the base; 501. a fixed frame; 502. an L-shaped bracket; 503. a sliding member in the shape of a Chinese character 'ji'; 504. a second adjusting ring; 505. lifting rod.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Embodiment one:

as shown in fig. 1 to 15, an embodiment of the present invention provides an ophthalmic surgical fixing apparatus including: a head support 1, an eyeball support 2, an adjusting component 3, an adjusting base 5 and a surgical instrument support 4; the head support 1 is used for fixing the head of a patient so as to prevent the head of the patient from moving in the operation process and affecting the normal operation, the eyeball support 2 is positioned above the head support 1 and is used for fixing the eyeball, the eyeball is kept stable in the operation process, the main body part of the adjusting assembly 3 is fixedly arranged with the head support 1, the adjustable end of the adjusting assembly 3 is fixedly arranged with the eyeball support 2 and is used for adjusting the position and the angle of the eyeball support 2, after the head support 1 is fixed with the head of the patient, the eyeball support 2 follows the eye of the patient, then the adjusting assembly 3 is used for adjusting the specific position of the eyeball support 2 and supports the eyeball support 2 at the upper eyelid position and the lower eyelid position of the patient, the requirement of stabilizing the patient can be well met, the eyeball is avoided to act in the operation process, the main body part of the adjusting base 5 can be fixed with the ground, the eyeball support can also be arranged on the same bed and chair together with the head support 1, the adjustable end of the adjusting base 5 is fixedly arranged with the operation instrument support 4, the operation instrument support 4 is positioned at one side of the eye support 2, the eye support 2 is used for keeping the instrument of the eye support 2, the eye support 2 is used for assisting the eye support to be used for assisting the operation in the operation process, the operation can be better and the operation can be ensured, the operation success rate of the eye device is better, the operation can be better used for assisting the operation and the operation can be better used for the operation and the operation, and the operation can be better used for the operation and the operation device has better the good operation success rate.

In one embodiment, the head support 1 comprises: a rigid pad 101, a forehead anchor 102, a chin rest 103, and an interlock assembly 105.

The hard pad 101 is in a shape simulating the back and the head of a human body, the hard pad 101 can be fixed on a bed board, the head profiling pad 104 is fixedly arranged at the top of the hard pad 101 and corresponds to the forehead and the chin of a patient on the head profiling pad 104, the head profiling pad 104 is provided with a concave part of the head and a supporting part of the neck, when the patient leans against the head, the head profiling pad 104 is provided with a flexible pad, the thickness of the flexible pad is not too thick and is 1.5-3MM, so that the forehead fixing piece 102 and the chin supporting piece 103 are prevented from being influenced by the fixation of the forehead fixing piece 102 and the chin supporting piece 103, the head of the patient on the head profiling pad 104 is fixed from the upper position and the lower position, the interlocking assembly 105 and the hard pad 101 are fixedly arranged, the interlocking assembly 105 is provided with a first toothed plate 106 and a second toothed plate 107 in a one-way sliding manner, namely, the first toothed plate 106 and the second toothed plate 107 can be connected with the forehead fixing piece 103 through the first toothed plate 106 and the second toothed plate 103, and the chin supporting piece 103 can be connected with the second toothed plate 103 in a sliding manner, and the second toothed plate 107 can be connected with the forehead fixing piece 102 and the chin fixing piece 102 in a sliding manner, and the second toothed plate 107 can be simultaneously slid to the other toothed plate 102 and the second toothed plate 107.

The application mode is as follows: when the head of the patient is not very close to the head profiling pad 104, the head of the patient needs to be moved upwards when the head is clamped, and at the moment, the user synchronously presses the forehead fixing part 102 and the chin rest 103 towards the middle by both hands, so that the chin rest 10 can push the chin of the human body by properly adjusting the positions of the forehead fixing part 102 and the chin rest 10 when the head of the patient is fixed by the forehead fixing part 102 and the chin rest 10, and the patient can be moved upwards, so that the head of the patient is guaranteed to be very well attached to the head profiling pad 104.

In one embodiment, the interlock assembly 105 includes: a box 1051, an inverted "U" shaped frame 1054, an elastic member 1057, and anti-drop nails 1058.

The top end opening of box body 1051, the first perforation 1052 that distributes from top to bottom, the second perforation 1053 that runs through has been seted up to the side of box body 1051, the second perforation 1053 is located the top of first perforation 1052, box body 1051 and stereoplasm backing plate 101 fixed mounting, the bottom of falling "U" type support 1054 is located the inboard of box body 1051, and the inboard of falling "U" type support 1054 corresponds the position fixed mounting with first perforation 1052 and has second latch spare 1056, the inboard of falling "U" type support 1054 corresponds the position fixed mounting with second perforation 1053 and has first latch spare 1055, first latch spare 1055 is opposite with the inclined plane direction of second latch spare 1056, elastic component 1057 and the interior bottom fixed mounting of box body 1051 for the bottom of elastic support falling "U" type support 1054.

For example, when the second toothed plate 107 moves towards the middle (refer to the middle position of the forehead fixing member 102 and the chin rest 103 when the forehead fixing member 102 and the chin rest 103 are moved close to each other), the inclined surface of the second toothed plate 107 presses the inclined surface of the first latch member 1055, so that the first latch member 1055 moves downward, and the inverted "U" shaped frame 1054 is driven to move downward, and the elastic member 1057 is compressed and deformed, so that the second latch member 1056 also moves downward synchronously; thereby, the first toothed plate 106 can slide freely in the middle moving process of the second toothed plate 107, and is not limited by the second latch 1056; conversely, if the first toothed plate 106 moves toward the middle, the second toothed plate 107 can also slide freely in both directions.

In order to avoid the inverted U-shaped frame 1054, the first latch 1055 and the second latch 1056 from moving upwards to leave the box 1051 when not in use, the top of the inverted U-shaped frame 1054 extends out of the box 1051, the anti-falling nail 1058 is fixedly arranged at the top opening of the box 1051, the anti-falling nail 1058 is positioned at the inner side of the inverted U-shaped frame 1054, and if the inverted U-shaped frame 1054 moves upwards, the first latch 1055 is limited to avoid the inverted U-shaped frame 1054 from sliding upwards out of the box 1051.

In one embodiment, the adjustment assembly 3 comprises: a first adjustment ring 301, an adjustment lever 302, and a rotatable adjustment mounting assembly 303.

The round hole has been seted up to the side of connecting support body 108, the inside wall rotation connection of first adjusting ring 301 and the round hole of connecting support body 108 side, the inboard of first adjusting ring 301 has the internal thread, the tip of first adjusting ring 301 has the roughness that supplies manual rotation, the one end and the first adjusting ring 301 threaded connection of regulation pole 302, the rotatable installation component 303 of the other end fixed mounting of regulation pole 302, in order to user's one hand control regulation pole 302, the first adjusting ring 301 of other hand rotation, at this moment, the screw thread pair between first adjusting ring 301 and the regulation pole 302 makes regulation pole 302 axial take place the removal, thereby adjust the extension length of regulation pole 302.

Specifically, the rotatable adjustment mounting assembly 303 includes a first mounting assembly 3031 and a second mounting assembly 3032, the first mounting assembly 3031 is rotatably connected to the second mounting assembly 3032, and the first mounting assembly 3031 is fixedly mounted to the adjustment lever 302.

The first installation component 3031 and the second installation component 3032 play a role in middle connection, the eyeball support 2 and the adjusting rod 302 can freely rotate, a shaft body is arranged between the first installation component 3031 and the second installation component 3032, the first installation component 3031 and the second installation component 3032 are in close contact, after the relative rotation and adjustment of the first installation component 3031 and the second installation component 3032, the position can be automatically kept so as to facilitate the convenience of adjustment, different patients need to use the eyeball support 2 with different sizes, so the rotatable adjustment installation component 303 needs to ensure the convenience of installation, preferably, through holes penetrating through the side surfaces of the first installation component 3031 and the second installation component 3032 are formed, the operating lever 201 of the eyeball support 2 is fixed by using screws after passing through the through holes, and the adjusting rod 302 is fixed by using screws after passing through the through holes on the first installation component 3031.

The eye support 2 includes: the control rod 201, one end of the control rod 201 is fixedly installed with the second installation component 3032, the other end of the control rod 201 is fixedly provided with a U-shaped clamping piece 202, and the inner side of the U-shaped clamping piece 202 is rotatably provided with an annular piece 203.

The ring 203 corresponds to the position of the outline of the eyes (outline of the eyes formed by the upper eyelid and lower eyelid positions) of the human body, presses the eyelid position, opens the eyes, and can stabilize the position of the eyeball.

In one embodiment, the adjustment base 5 comprises: the fixing frame 501, the "table" type sliding member 503, the fixing frame 501 and the head support 1 are relatively fixed, they can be fixed on the ground or jointly connected with the head support 1 on a bed board, it is necessary to keep the two positions fixed, in practice, it is necessary to ensure that the adjusting base 5 does not move, long slots are opened at the top of the fixing frame 501, the inner side of the fixing frame 501 is fixedly provided with an "L" type supporting member 502, the foot of the "table" type sliding member 503 is located at the inner side of the fixing frame 501 and supported above the "L" type supporting member 502, the head of the "table" type sliding member 503 extends upwards from the long slot hole to the fixing frame 501, by virtue of the elasticity of the two feet of the "table" type sliding member 503 towards two sides, the foot of the "table" type sliding member 503 is in close contact with the inner side wall of the fixing frame 501, the "table" type sliding member 503 is a metal plate, it has a certain elastic deformation capability, in use, the user can release the foot of the "table" type "sliding member 503 by pressing inwards, then sliding along the length direction of the long slots, after sliding to a proper position, and under the action of the" table "type" sliding member 503 ".

The top of the "several" shaped slider 503 is rotatably mounted with a second adjusting ring 504, the inner side of the second adjusting ring 504 is screw-mounted with a lifting rod 505, the lifting rod 505 is moved up and down by manually rotating the second adjusting ring 504 and controlling the lifting rod 505 not to rotate, depending on the screw pair between the second adjusting ring 504 and the lifting rod 505.

In one embodiment, the surgical instrument holder 4 comprises: a storage box 401, a sliding mounting seat 408, an operation table 402 and a special scalpel 404.

The top end of the storage box 401 is opened, the bottom of the storage box 401 is fixedly arranged with the top end of the lifting rod 505, the storage box 401 is adjusted by the adjusting base 5, a bracket 405 is fixedly arranged on the side surface of the storage box 401, a rigid cushion block 406 is arranged on the top of the bracket 405, a sliding mounting seat 408 is positioned on the inner side of the storage box 401 and is fixedly provided with a spring component 407, the bottom end of the spring component 407 is fixedly arranged with the inner bottom of the storage box 401, one end of the operation table 402 is rotatably connected with the top of the sliding mounting seat 408, as shown in fig. 11-12, the operation table 402 is in a horizontal state, the end of the operation table 402 is rotatably connected with the sliding mounting seat 408, the spring component 407 is in a stretched state, the operation table 402 has a tendency to rotate upwards, one hand of an operator presses the upper side of the operation table 402, the bottom of the operation table 402 is pressed on the rigid cushion block 406, after the operation is finished, the operator only needs to loosen the pressing on the operation table 402, and the operation table 402 can automatically swing upwards.

The transparent plate 403 is fixedly arranged on one side of the operating table 402, which is far away from the sliding mounting seat 408, the operating table 402 is kept horizontal during operation, the transparent plate 403 is positioned right above the eyes of a patient, the transparent plate covers the eyes of the patient, sundries, sweat and clothes fragments are not easy to fall down to the eyes of the patient in the operation process of an operator, so that the safety of the operation can be improved, the step hole 410 is formed in the top of the transparent plate 403, the step hole 410 is of a big-end-up structure, namely a big-diameter round hole is formed in the upper part, a small-diameter round hole is formed in the lower part, an elastic ball ring 411 is fixedly arranged in the big hole of the step hole 410, the elastic ball ring 411 protrudes upwards, a rigid ball ring 412 is fixedly arranged in the small hole of the step hole 410, the rigid ball ring 412 protrudes downwards, the ball 413 is arranged on the middle section of the handle of the special operating knife 404, and the ball 413 is positioned on the inner side of the rigid ball ring 412 and the elastic ball ring 411, and the top of the ball ring 411 is fixedly connected.

When the operator manipulates the special scalpel 404, the operator needs to exert downward force to deform the elastic ball ring 411, when the force is reduced, the elastic ball ring 411 can enable the special scalpel 404 to be at a higher position under the action of the resilience force of the elastic ball ring 411, and the special scalpel is more stable relative to the operation of the operator in a suspended manner, the operator is easier to manipulate, the bottom rigid ball ring 412 plays a limiting role, and the situation that the operator exerts excessive force to cause larger injury to a patient is avoided.

In an embodiment, the sliding mounting seat 408 is of an inverted "T" structure, and a limiting pin 409 is fixedly mounted on the side surface of the storage box 401 and above the transverse plate of the sliding mounting seat 408, where the limiting pin 409 limits the highest position of the sliding mounting seat 408 that slides upwards, so as to prevent the sliding mounting seat 408 from sliding upwards out of the storage box 401.

In an embodiment, the top end of the elastic ball ring 411 is provided with an annular sleeve member 415, the side surface of the ball portion 413 is provided with a cylindrical mounting portion 414, the annular sleeve member 415 is sleeved on the outer side of the cylindrical mounting portion 414, a plurality of screws are horizontally mounted on the outer side of the annular sleeve member 415, the annular sleeve member 415 and the cylindrical mounting portion 414 are fixedly mounted, and due to the design of the structure, the annular sleeve member 415 and the cylindrical mounting portion 414 are more convenient to connect, and the connection of the plurality of screws is more stable.

In one embodiment, the upper surface of the console 402 is roughened to avoid slippage when the console 402 is depressed.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. An ophthalmic surgical fixation apparatus comprising:

a head support (1) for fixing the head of a patient;

the eyeball support (2) is positioned above the head support (1) and is used for fixing eyeballs;

the adjusting assembly (3), the main body part of the adjusting assembly (3) is fixedly arranged with the head support (1), and the adjustable end of the adjusting assembly (3) is fixedly arranged with the eyeball support (2) and is used for adjusting the position and the angle of the eyeball support (2);

the surgical instrument bracket (4) is positioned at one side of the eyeball bracket (2) and is used for assisting in stabilizing the surgical instrument;

the adjusting base (5), the main body part of the adjusting base (5) is fixed, and the adjustable end of the adjusting base (5) is fixedly arranged with the surgical instrument bracket (4).

2. Ophthalmic surgical fixation device according to claim 1, characterized in that the head support (1) comprises:

the hard pad (101), wherein the hard pad (101) is shaped like the back and the head of a human body, and the head profiling pad (104) is fixedly arranged at the top of the hard pad (101);

the forehead fixing piece (102) and the chin support piece (103), wherein the forehead fixing piece (102) and the chin support piece (103) are arranged above the head profiling pad (104) and correspond to the forehead and the chin of a patient on the head profiling pad (104);

the interlocking assembly (105), interlocking assembly (105) and stereoplasm backing plate (101) fixed mounting, one-way slip card is equipped with first pinion rack (106), second pinion rack (107) on interlocking assembly (105), first pinion rack (106), second pinion rack (107) are in gliding opposite direction with interlocking assembly (105) permission, and when one in first pinion rack (106), second pinion rack (107) is in the slip, and another is in the unblock state, forehead mounting (102) are through connecting frame body (108) and first pinion rack (106) fixed connection, chin support piece (103) are through connecting piece and second pinion rack (107) fixed connection.

3. The ophthalmic surgical fixation apparatus of claim 2 wherein the interlock assembly (105) comprises:

the box body (1051), the top end of the box body (1051) is opened, a first through hole (1052) and a second through hole (1053) which are distributed up and down are formed in the side surface of the box body (1051), and the box body (1051) and the hard backing plate (101) are fixedly installed;

the inverted U-shaped frame body (1054), the bottom of the inverted U-shaped frame body (1054) is positioned at the inner side of the box body (1051), a second latch piece (1056) is fixedly arranged at the position, corresponding to the first through hole (1052), of the inner side of the inverted U-shaped frame body (1054), a first latch piece (1055) is fixedly arranged at the position, corresponding to the second through hole (1053), of the inner side of the inverted U-shaped frame body (1054), and the direction of the inclined plane of the first latch piece (1055) is opposite to the direction of the inclined plane of the second latch piece (1056);

the elastic piece (1057), the elastic piece (1057) is fixedly arranged with the inner bottom of the box body (1051) and is used for elastically supporting the bottom end of the inverted U-shaped frame body (1054);

anti-drop nail (1058), box body (1051) is stretched out at the top of falling "U" type support body (1054), and anti-drop nail (1058) fixed mounting is in the top mouth position of box body (1051), and anti-drop nail (1058) are located the inboard of falling "U" type support body (1054).

4. Ophthalmic surgical fixation device according to claim 2, characterized in that the adjustment assembly (3) comprises:

the connecting frame comprises a first adjusting ring (301), wherein a round hole is formed in the side face of the connecting frame body (108), the first adjusting ring (301) is rotationally connected with the inner side wall of the round hole in the side face of the connecting frame body (108), an inner thread is formed in the inner side of the first adjusting ring (301), and a rough part for manual rotation is formed in the end part of the first adjusting ring (301);

the adjusting rod (302), one end of the adjusting rod (302) is in threaded connection with the first adjusting ring (301), and the rotatable adjusting installation component (303) is fixedly arranged at the other end of the adjusting rod (302).

5. An ophthalmic surgical fixation apparatus according to claim 4 wherein: the rotatable adjusting installation assembly (303) comprises a first installation assembly (3031) and a second installation assembly (3032), the first installation assembly (3031) is rotatably connected with the second installation assembly (3032), and the first installation assembly (3031) is fixedly installed with the adjusting rod (302);

the eyeball support (2) comprises: the control rod (201), one end and second installation component (3032) fixed mounting of control rod (201), the other end fixed mounting of control rod (201) has U type fastener (202), the inboard rotation of U type fastener (202) is installed annular piece (203).

6. Ophthalmic surgical fixation device according to claim 1, characterized in that the adjustment base (5) comprises:

the fixing frame (501), the fixing frame (501) is fixed relative to the head support (1), a long slot hole is formed in the top of the fixing frame (501), and an L-shaped supporting piece (502) is fixedly arranged on the inner side of the fixing frame (501);

the U-shaped sliding piece (503), the foot of the U-shaped sliding piece (503) is positioned at the inner side of the fixed frame (501) and is supported above the L-shaped supporting piece (502), the head of the U-shaped sliding piece (503) extends out of the fixed frame (501) upwards from the long slot hole, and the foot of the U-shaped sliding piece (503) is tightly contacted with the inner side wall of the fixed frame (501) by virtue of the elasticity of the two feet of the U-shaped sliding piece (503) towards two sides;

the top of the 'nearly' shaped sliding piece (503) is rotatably provided with a second adjusting ring (504), and the inner side of the second adjusting ring (504) is provided with a lifting rod (505) in a threaded manner.

7. An ophthalmic surgical fixation apparatus according to claim 6, characterized in that the surgical instrument holder (4) comprises:

the storage box (401), the top end of the storage box (401) is opened, the bottom of the storage box (401) is fixedly installed with the top end of the lifting rod (505), a bracket (405) is fixedly installed on the side face of the storage box (401), and a rigid cushion block (406) is arranged at the top of the bracket (405);

the sliding mounting seat (408), the sliding mounting seat (408) is positioned on the inner side of the storage box (401) to slide, a spring assembly (407) is fixedly arranged at the bottom end of the sliding mounting seat (408), and the bottom end of the spring assembly (407) is fixedly arranged with the inner bottom of the storage box (401);

the operation panel (402), one end of operation panel (402) rotates with the top of slip mount pad (408) to be connected, one side that slip mount pad (408) was kept away from to operation panel (402) is fixed mounting has transparent plate (403), step hole (410) have been seted up at the top of transparent plate (403), step hole (410) are big-end down, elastic ball ring (411) are fixed mounting in the macropore of step hole (410), elastic ball ring (411) are protruding towards the top, rigid ball ring (412) are fixed mounting in the aperture of step hole (410), rigid ball ring (412) are protruding towards the below;

the special scalpel (404), the middle section of the handle of the special scalpel (404) is provided with a ball part (413), the ball part (413) is positioned on the inner side of the rigid ball ring (412) and the elastic ball ring (411), and the ball part (413) is fixedly connected with the top of the elastic ball ring (411).

8. An ophthalmic surgical fixation apparatus as claimed in claim 7 wherein: the sliding mounting seat (408) is of an inverted T-shaped structure, and a limit nail (409) is fixedly arranged on the side face of the storage box (401) and above the transverse plate of the sliding mounting seat (408).

9. An ophthalmic surgical fixation apparatus as claimed in claim 7 wherein: the top of elasticity ball ring (411) is provided with annular external member (415), the side of ball portion (413) is provided with cylindricality installation department (414), annular external member (415) cover is established in the outside of cylindricality installation department (414), and installs a plurality of screws from annular external member (415) outside level, with annular external member (415) and cylindricality installation department (414) fixed mounting.

10. An ophthalmic surgical fixation apparatus as claimed in claim 7 wherein: the upper surface of the operation table (402) is a rough surface.