CN215779112U

CN215779112U - Eyeball traction fixator

Info

Publication number: CN215779112U
Application number: CN202122389750.0U
Authority: CN
Inventors: 张鹏飞; 刘丽梅; 张佳妮; 韩新红
Original assignee: Weifang Eye Hospital Co ltd
Current assignee: Weifang Eye Hospital Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-02-11
Anticipated expiration: 2031-09-29

Abstract

The utility model discloses a eyeball traction fixer, which comprises clamping traction forceps for clamping and drawing a temporal corneal limbus, wherein a traction fixing device which can be adsorbed on the cheek side part and is used for drawing and fixing the clamping traction forceps is arranged at the rear end of the clamping traction forceps; under the action of the traction fixing device, the clamping and traction forceps always pull the temporal corneal limbus, so that the pterygium always keeps a completely exposed state, and in the traction process of the pterygium, the clamping and traction forceps do not need to be held by a doctor or manually pull eyeballs, so that the operation difficulty of the doctor is reduced; in addition, the clamping and pulling forceps are pulled towards one side of the outer eyelid and fixed on the cheek on the side part of the outer eyelid, and the fixed position of the clamping and pulling forceps just avoids the operation visual field, so that the interference on the operation visual field can be avoided; meanwhile, in the traction process, the traction force is stable, so that discomfort can not be caused to a patient, the operation difficulty is reduced, and the operation time is shortened.

Description

Eyeball traction fixator

Technical Field

The utility model belongs to the technical field of ophthalmic surgery, and particularly relates to an eyeball traction fixator.

Background

Pterygium is a common and frequently encountered disease in ophthalmology, has a triangular shape, can invade the cornea, and has different degrees of influence on vision due to the growth of the pterygium, and has the disadvantage of hindering the beauty. The clinical operation method comprises the following steps: the pterygium is completely exposed by gripping the lateral limbus with forceps or toothless forceps and pulling it to the outer eyelid side, followed by superficial corneal incision about 0.5mm beyond the limbus, separating the corneal epithelium at the limbus of the diseased tissue with a blade, and scraping the residual tissue from the wound with a blade to flatten the wound.

At present, no instrument capable of pulling eyeballs and directly fixing the eyeballs exists in ophthalmologic operation microscopic instruments, the existing microscopic toothed forceps or the existing non-toothed forceps cannot achieve the function, the instruments are required to manually pull the eyeballs after eye tissues are fixed, interference can be caused to the visual field of an operation in the pulling process, the operation is directly influenced, the operation time is prolonged, and meanwhile, if the patient has poor fitting degree, the patient is difficult to smoothly pull and fix, so that the operation difficulty is high.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide an eyeball traction fixator which has simple structure and reasonable design and can be used for traction and fixation of eyes to shorten the operation time.

In order to solve the technical problems, the technical scheme of the utility model is as follows: eyeball draws fixer, including the centre gripping that carries out centre gripping and traction to temporal side limbus and draws tweezers, the centre gripping is drawn the rear end of tweezers and is installed adsorbable and is used for on the cheek lateral part with the centre gripping draws tweezers and draws and fixed traction fixation device.

According to a preferable technical scheme, the clamping and pulling forceps comprise two clamping forceps heads which are matched with each other and used for clamping the corneal limbus at the side of the forceps, a pressing handle is fixedly installed at the rear end of each clamping forceps head, an arc-shaped bending transition portion which can adapt to the eyeball and the side portion of the cheek is arranged between each pressing handle and each clamping forceps head, a forceps head locking device which is used for keeping the two clamping forceps heads in a clamping action is arranged between the two pressing handles, and the pulling and fixing device is installed at the rear end of each pressing handle.

As an optimized technical scheme, the forceps head clamping device comprises forceps head clamping rods which are fixedly connected with the corresponding pressing handles respectively, and the front ends of the two forceps head clamping rods are provided with corresponding matched forceps head clamping parts respectively.

According to a preferable technical scheme, the pressing handle comprises a fixing handle arranged at the rear end, two pressing handles matched with each other are arranged at the front end of the fixing handle, the forceps head locking device is arranged between the two pressing handles, and the traction fixing device is installed on the fixing handle.

According to the preferable technical scheme, the forceps head locking device comprises a locking head arranged on the inner side of a pressing handle, a first locking groove is formed in the locking head, a locking hole corresponding to the locking head is formed in the pressing handle, a strip-shaped sliding groove is further formed in the pressing handle provided with the locking hole, a locking plate is slidably mounted on the strip-shaped sliding groove, and a second locking groove corresponding to the first locking groove is formed in the front end of the locking plate.

Preferably, the traction fixing device comprises a fixed sucker which can be adsorbed on the side of the cheek, and the fixed sucker is mounted at the rear end of the clamping and traction forceps through a connecting rod.

As a preferred technical scheme, a position adjusting device is arranged between the connecting rod and the clamping and pulling forceps.

According to the preferable technical scheme, the position adjusting device comprises an adjusting sliding groove arranged at the rear end of the clamping and traction forceps, the connecting rod penetrates through the adjusting sliding groove, two locking bolts are installed on the connecting rod in a threaded mode, and the two locking bolts are clamped and fixed on two sides of the clamping and traction forceps.

According to the preferable technical scheme, a connecting ball head is arranged at the end part, connected with the fixed sucker, of the connecting rod, a connecting ball groove corresponding to the connecting ball head is formed in the fixed sucker, and the connecting ball head is correspondingly installed in the connecting ball groove and can rotate around the connecting ball groove.

As the preferred technical scheme, the fixed sucker is a silica gel sucker or a rubber sucker.

By adopting the technical scheme, the eyeball traction fixator comprises clamping traction forceps for clamping and traction the temporal corneal limbus, and a traction fixing device which can be adsorbed on the cheek side part and is used for traction and fixation of the clamping traction forceps is arranged at the rear end of the clamping traction forceps; the utility model has the beneficial effects that: during operation, the temporal limbus is firstly clamped by the clamping and traction forceps, then the clamping and traction forceps are pulled to the side of the outer eyelid until the pterygium is completely exposed, and finally the clamping and traction forceps are adsorbed on the cheek skin on the side of the outer eyelid by the traction fixing device to play a role in traction fixing, at the moment, the clamping and traction forceps are under the action of the traction fixing device, so that the clamping and traction forceps always pull the temporal limbus, the pterygium is always kept in a completely exposed state, and the clamping and traction forceps do not need a doctor to hold or manually pull an eyeball during traction of the pterygium, so that the operation difficulty of the doctor is reduced; in addition, the clamping and pulling forceps are pulled towards the side of the outer eyelid and are fixed on the cheek on the side of the outer eyelid, and the fixing positions of the clamping and pulling forceps just avoid the surgical visual field, so that the interference on the surgical visual field can be avoided; meanwhile, in the traction process, the traction force is stable, so that discomfort can not be caused to a patient, the operation difficulty is reduced, and the operation time is shortened.

Drawings

The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural view of another embodiment of the present invention;

FIG. 3 is a first view of a traction device according to an embodiment of the present invention;

FIG. 4 is a second view of a traction-fixing device in accordance with an embodiment of the present invention;

FIG. 5 is a state diagram of use of an embodiment of the present invention;

in the figure: 1-clamping and pulling forceps; 11-a curved transition; 12-a forceps head clamping rod; 13-forceps head clamping part; 14-a fixed handle; 15-pressing handle; 16-a locking head; 17-a first locking groove; 18-a locking hole; 19-a bar-shaped chute; 110-locking plate; 111-a second locking slot; 2-a traction fixing device; 21-fixed suction cup; 22-a connecting rod; 23-adjusting the chute; 24-a locking bolt; 25-connecting the ball head; 26-connecting ball groove.

Detailed Description

The utility model is further illustrated below with reference to the figures and examples. In the following detailed description, certain exemplary embodiments of the present invention are described by way of illustration only. Needless to say, a person skilled in the art realizes that the described embodiments can be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.

As shown in fig. 1 and 2, the eyeball traction fixator comprises clamping and traction forceps 1 for clamping and traction of temporal corneal limbus, and a traction fixing device 2 which can be adsorbed on the cheek side part and is used for traction and fixation of the clamping and traction forceps 1 is installed at the rear end of the clamping and traction forceps 1. During operation, the temporal limbus is firstly clamped by the clamping and traction forceps 1, then the clamping and traction forceps are pulled to the side of the outer eyelid until the pterygium is completely exposed, and finally the clamping and traction forceps 1 are adsorbed on the cheek skin at the side of the outer eyelid by the traction fixing device 2 so as to play a role in traction and fixation, at the moment, the clamping and traction forceps 1 are under the action of the traction fixing device 2, so that the clamping and traction forceps 1 always pull the temporal limbus, the pterygium is always kept in a completely exposed state, and the clamping and traction forceps 1 do not need to be held by a doctor or manually pull an eyeball during traction of the pterygium, so that the operation difficulty of the doctor is reduced; in addition, the clamping and pulling forceps 1 are pulled towards the side of the outer eyelid and fixed on the cheek on the side of the outer eyelid, and the fixed position of the clamping and pulling forceps 1 just avoids the surgical visual field, so that the interference to the surgical visual field can be avoided; meanwhile, in the traction process, the traction force is stable, so that discomfort can not be caused to a patient, the operation difficulty is reduced, and the operation time is shortened.

Referring to fig. 1 and 2, the clamping and pulling forceps 1 comprises two clamping forceps heads which are matched with each other and used for clamping the corneal limbus at the forceps side, a pressing handle is fixedly mounted at the rear end of each clamping forceps head, an arc-shaped bending transition portion 11 which can adapt to the eyeball and the cheek side portion is arranged between each pressing handle and each clamping forceps head, a forceps head locking device used for keeping the two clamping forceps heads in a clamping action is arranged between the two pressing handles, and the pulling and fixing device 2 is mounted at the rear end of each pressing handle.

The state of the clamping and pulling forceps 1 after being fixed is shown in fig. 5, at this time, the clamping and pulling forceps 1 pulls the eyeball to move horizontally towards the outer eyelid side, and in order to keep the eyeball in this state, it is necessary that the clamping and pulling forceps 1 always have a pulling force which is horizontally pulled towards the outer eyelid side, then the fixing position of the pulling and fixing device 2 needs to be substantially consistent with the height of the eyeball, i.e. it is best at the skin position which is the position of the temple point, however, since the eyeball is positioned in front of the face and the temple point is positioned on the side of the face, there is a certain arc transition between the two, in order to adapt to this arc transition, the clamping and pulling forceps 1 cannot adopt flat forceps as in the prior art, in this embodiment, the arc transition part 11 is adapted to the arc between the eyeball and the side of the cheek, so that the clamping and pulling forceps 1 can not affect the clamping and pulling, and the fixing device also has a better fixing effect.

Referring to fig. 1 and 2, the forceps head clamping device comprises forceps head clamping rods 12 respectively fixedly connected with the corresponding pressing handles, corresponding and matched forceps head clamping portions 13 are respectively arranged at the front ends of the two forceps head clamping rods 12, and the forceps head clamping portions 13 are used for clamping corneal limbus and can be of a tooth-shaped structure or a hook-shaped structure.

The pair of forceps head locking devices is characterized in that the pressing handle comprises a fixing handle 14 arranged at the rear end, two pressing handles 15 matched with each other are arranged at the front end of the fixing handle 14, the forceps head locking devices are arranged between the two pressing handles 15, and the traction fixing devices 2 are installed on the fixing handle 14.

The forceps head locking device comprises a locking head 16 arranged on the inner side of a pressing handle 15, a first locking groove 17 is formed in the locking head 16, the width of the first locking groove 17 is smaller than the width of the locking head 16, the other locking hole 18 corresponding to the locking head 16 is formed in the pressing handle 15, a strip-shaped sliding groove 19 is further formed in the pressing handle 15 of the locking hole 18, the strip-shaped sliding groove 19 is a limiting sliding groove and is provided with two locking plates 110, the locking plates 110 are slidably mounted on the strip-shaped sliding groove 19, the front ends of the locking plates 110 are provided with second locking grooves 111 corresponding to the first locking groove 17, and the width of the second locking grooves 111 is matched with the width of the first locking groove 17. When the corneal limbus is clamped, the forceps head locking device needs to be adopted for locking, and the specific operation is as follows: the pressing handle 15 is pressed by both hands, so that the locking head 16 of one of the pressing handle 15 passes through the locking hole 18 of the other locking head 16, the first locking groove 17 extends out of the pressing handle 15, the locking plate 110 is pushed, and the second locking groove 111 on the locking plate 110 is inserted into the first locking groove 17 on the locking head 16, so as to maintain the clamping and locking state of the tweezers. When the operation is finished, the locking plate 110 is pushed backward so that the second locking groove 111 is disengaged from the first locking groove 17 on the locking head 16 to release the forceps.

The traction fixing device 2 comprises a fixed suction cup 21 which can be adsorbed on the cheek side part, and the fixed suction cup 21 is installed at the rear end of the clamping traction forceps 1 through a connecting rod 22.

Due to the difference in the size of the head of the patient, if the position of the fixed suction cup 21 is fixed, it will not be possible to fix it stably for some patients, and therefore, in this embodiment, a position adjusting device is provided between the connecting rod 22 and the clamping and pulling forceps 1. The position adjusting device comprises an adjusting sliding groove 23 arranged at the rear end of the clamping traction forceps 1, the direction of the adjusting sliding groove 23 is arranged in the horizontal direction, namely, along the length direction of the clamping traction forceps 1, the connecting rod 22 penetrates through the adjusting sliding groove 23, two locking bolts 24 are installed on the connecting rod 22 through threads, and the two locking bolts 24 are clamped and fixed on two sides of the clamping traction forceps 1. When the position of the fixed suction cup 21 needs to be adjusted, firstly, the two locking bolts 24 are loosened towards two sides, and then the connecting rod 22 slides along the adjusting sliding groove 23, so that the fixed suction cup 21 can be driven to slide, the fixed suction cup 21 has a good fixed position in such a way, and after the position adjustment is completed, the two locking bolts 24 are matched and screwed, and are clamped and fixed on the clamping and traction forceps 1; in addition, after the two locking bolts 24 are completely loosened, the extending length of the connecting rod 22 relative to the clamping and pulling forceps 1 can be adjusted, that is, the distance between the fixed suction cup 21 and the cheek skin can be adjusted, so that the fixed suction cup 21 can be more stably adsorbed and fixed on the skin.

The connecting rod 22 with the tip that fixed suction cup 21 connects is provided with connects bulb 25, be provided with on the fixed suction cup 21 with connect the ball groove 26 that bulb 25 corresponds, it installs to connect the bulb 25 correspondence connect in the ball groove 26 and can wind connect the ball groove 26 rotatory. Since the connecting ball 25 can rotate around the connecting ball groove 26, the fixing suction cup 21 can rotate, so that the fixing suction cup 21 can be attached to the skin more and cannot be fixed well due to individual differences of patients.

The fixed suction cup 21 is of the same principle as the suction cup in the prior art hook suction cups, which are well known to those skilled in the art. When in use, the sucker can be adsorbed on the belt by directly pressing the sucker on the surface of the skin and extruding the air in the sucker out. Fixed suction cup 21 is silica gel sucking disc or rubber suction cup, simple structure, with low costs, and can not cause the discomfort to patient's skin when pressing the operation.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Eyeball draws fixer, including carrying out centre gripping and the centre gripping of drawing to temporal side limbus and draw tweezers, its characterized in that: the rear ends of the clamping and traction forceps are provided with a traction fixing device which can be adsorbed on the cheek side part and used for traction and fixation of the clamping and traction forceps.

2. An eye traction fixation device according to claim 1, wherein: the tweezers are drawn in centre gripping include that two mutually support and be used for carrying out the centre gripping tweezers head of centre gripping to tweezers side corneal limbus, the rear end fixed mounting of centre gripping tweezers head presses the handle, press the handle with be provided with curved crooked transition portion between adaptable eyeball and the cheek lateral part between the centre gripping tweezers head, two it is used for two to press to be provided with between the handle the tweezers head locking device that is used for holding the centre gripping action is kept to the centre gripping tweezers head, draw fixing device to install press the rear end of handle.

3. An eye traction fixation device according to claim 2, wherein: the forceps head clamping device comprises forceps head clamping rods which are fixedly connected with the pressing handle respectively, and the front ends of the forceps head clamping rods are provided with corresponding matched forceps head clamping parts respectively.

4. An eye traction fixation device according to claim 2, wherein: the forceps head locking device is arranged between the two pressing handles, and the traction fixing device is installed on the fixing handles.

5. An eye traction fixation device according to claim 4, wherein: the forceps head locking device comprises a locking head arranged on the inner side of a pressing handle, a first locking groove is formed in the locking head, a locking hole corresponding to the locking head is formed in the pressing handle, a strip-shaped sliding groove is formed in the pressing handle of the locking hole, a locking plate is slidably mounted on the strip-shaped sliding groove, and a second locking groove corresponding to the first locking groove is formed in the front end of the locking plate.

6. An eye traction fixation device according to claim 1, wherein: the traction fixing device comprises a fixed sucker which can be adsorbed on the side portion of the cheek, and the fixed sucker is installed at the rear end of the clamping traction forceps through a connecting rod.

7. An eye traction fixation device according to claim 6, wherein: and a position adjusting device is arranged between the connecting rod and the clamping and pulling forceps.

8. An eye traction fixation device according to claim 7, wherein: the position adjusting device comprises an adjusting sliding groove arranged at the rear end of the clamping and pulling forceps, the connecting rod penetrates through the adjusting sliding groove, two locking bolts are installed on the connecting rod in a threaded mode, and the two locking bolts are clamped and fixed on two sides of the clamping and pulling forceps.

9. An eye traction fixation device according to claim 6, wherein: the connecting rod with the tip that fixed suction cup is connected is provided with the connection bulb, be provided with on the fixed suction cup with the connection ball groove that the connection bulb corresponds, it installs to connect the bulb correspondence connect the ball inslot and can wind connect the ball groove rotatory.

10. An eye traction fixation device according to claim 6, wherein: the fixed sucker is a silica gel sucker or a rubber sucker.