CN210114569U

CN210114569U - Separation eyeball fixing device

Info

Publication number: CN210114569U
Application number: CN201920580673.7U
Authority: CN
Inventors: 连燕
Original assignee: Eye Hospital of Wenzhou Medical University
Current assignee: Eye Hospital of Wenzhou Medical University
Priority date: 2019-04-25
Filing date: 2019-04-25
Publication date: 2020-02-28
Anticipated expiration: 2029-04-25

Abstract

The utility model discloses an in vitro eyeball fixing device, its technical scheme main points are including the location section of thick bamboo of setting a seat one end is located to setting a seat and cover, the arrangement chamber that is used for supplying in vitro eyeball to settle is left between the tip of setting a seat to the bottom of location section of thick bamboo, the bottom of location section of thick bamboo is provided with the display hole that is used for supplying partial eyeball to expose, be connected with between location section of thick bamboo and the setting a seat and can be with the eyeball centre gripping in the elastic connection spare of setting an intracavity, elastic connection spare's one end is connected with a location section of thick bamboo, the other end is connected with the setting a seat, elastic connection spare can dismantle fixed connection with a location section of thick bamboo and/or setting a seat, elastic tensioning connects the elastic connection spare between location section of thick bamboo and setting a. The device can stably fix the separation eyeball, is convenient for an ophthalmologist to carry out the operation of various eyes on the separation eyeball and the separation ingestion of researchers to various eye tissues, and improves the operation efficiency and the operation stability.

Description

Separation eyeball fixing device

Technical Field

The utility model relates to the technical field of medical equipment, more specifically say, it relates to an in vitro eyeball fixing device.

Background

The eye tissue is very fine, and the eye tissue can be damaged by a little carelessness in the operation process of experiments or operations, so that experimental errors or operation failures are caused.

In recent years, the identification of eye irritation by chemicals in the process of toxicological development and scientific research are frequently required to carry out corresponding toxicological experiments, most of the experiments in the past are carried out by using living animals, living animal experiments are used less and less at present, more importantly, the substitution and the substitution method experiments of corrosivity, turbidity, permeability and the like are carried out by using isolated animal organs such as rabbit eyeballs, pig eyeballs, cattle eyeballs and the like, in addition, in general medical clinical scientific research, the fields of artificial cornea development and development, human eye disease treatment and analysis, human eye cornea transplantation, veterinary animal medicine animal ophthalmology scientific research and the like are greatly required to use the isolated eyeballs of animals for carrying out scientific research, experiments and teaching processes, in the past, the fixed animal eyeballs can only be fixed by adopting a single size, namely, one fixing device can only fix the isolated animal eyeballs with the size of one diameter, if eyeballs of different animals need to be used, a plurality of fixing devices are needed, even some in-vitro eyeballs cannot be fixed due to too large or too small diameters, so that the research range of experiments is restricted, the quality and safety of scientific experiment operation are influenced to a certain extent, the deep development of related researches is hindered, in order to overcome the difficulties, the in-vitro eyeballs with different diameters can be adjusted and fixed, and the later-stage experiments, tests, dissection and other medical science research works of the in-vitro eyeballs of people and animals can be conveniently and quickly carried out. Therefore, the development of an ex vivo eyeball fixation device with adjustable size is necessary and urgent. Provides guarantee for smoothly carrying out eyeball surgery or experiments.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an in vitro eyeball fixing device, the device can fix the in vitro eyeball steadily, and the ophthalmologist of being convenient for carries out the operation and the researcher of various eyes on the in vitro eyeball and separates the ingestion to various eyes tissues, improves operating efficiency and operating stability.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an isolation eyeball fixing device, is located the location section of thick bamboo of settling seat one end including settling seat and cover, the tip of settling seat leaves the arrangement chamber that is used for supplying the isolation eyeball to settle to the bottom of a location section of thick bamboo, the bottom of a location section of thick bamboo is provided with the display hole that is used for supplying partial eyeball to expose, be connected with between a location section of thick bamboo and the settling seat and can be with the eyeball centre gripping in the elastic connector who settles the intracavity, elastic connector's one end and a location section of thick bamboo are connected, and the other end is connected with the settling seat, elastic connector can dismantle fixed connection with a location section of thick bamboo and/or settling seat, and elastic tensioning connects the elastic connector between a location section of thick bamboo and settling seat and can be with eyeball elasticity centre gripping in.

The utility model discloses further set up to: the positioning cylinder and/or the placement seat are/is provided with a first connecting piece connected with the elastic connecting piece, one end or two ends of the elastic connecting piece are/is provided with a second connecting piece connected with the first connecting piece, and the first connecting piece and/or the second connecting piece are/is provided with a plurality of connecting pieces and are arranged along the direction close to or far away from the placement cavity.

The utility model discloses further set up to: the end face of the placing seat inserted into the positioning barrel is provided with a positioning concave surface for positioning and placing the eyeball in the middle, and the positioning concave surface is arranged in an arc structure.

The utility model discloses further set up to: the bottom of a location section of thick bamboo is provided with the dress hole that inlays that the toper structure set up, inlay the great one end of dress hole internal diameter and set up towards the seat of settling, inlay the downthehole display ring that is equipped with and is used for supplying the display hole to set up that inlays, display ring and the coaxial setting of display hole, the display ring becomes the setting of circular cone structure, and the display ring imbeds and inlays the inboard wall butt that the dress hole can be inlayed to the outside wall of display ring when inlaying the dress hole in, the setting of display hole toper hole structure, the great one end of display hole internal diameter sets up towards the seat of settling.

The utility model discloses further set up to: the display ring is provided with a plurality of display rings, each display ring is sequentially and coaxially embedded from small to large, the display hole of the larger display ring is an embedded hole of the smaller display ring, and an annular elastic pad is arranged on the inner side wall of the display hole in an encircling mode.

The utility model discloses further set up to: the bottom of the setting seat is provided with a base used for increasing the contact area with the operation table surface, the outer diameter of the base is larger than that of the setting seat, the setting seat is vertically arranged in the middle of the base, and a friction pad used for increasing friction force is arranged at the bottom of the base.

The utility model discloses further set up to: the base epirelief is equipped with increases the screw rod, the bottom of arrangement seat is provided with can with the screw spiro union of increaseing increase the screw hole, increases the screw rod and can adjust the height of arrangement seat apart from the operation mesa at the in-process of increasing the screw internal rotation.

The utility model discloses further set up to: the two opposite sides of the placing seat are respectively provided with a supporting seat for supporting the arm of an operator.

The utility model discloses further set up to: the upper end axial of supporting seat rotates and is connected with the supporting disk that is used for supplying the operating personnel arm to place, the external diameter of supporting disk is greater than the external diameter of supporting seat.

The utility model discloses further set up to: the supporting seats and the placing seat are arranged in a split mode, the two supporting seats are respectively arranged on the operation table tops on the two sides of the placing seat, and friction pads used for increasing friction force between the bottom of each supporting seat and the operation table top are arranged at the bottoms of the supporting seats; the supporting seat comprises a supporting fixed rod and a supporting movable rod which is in threaded connection with the supporting fixed rod, and the height of the supporting seat can be adjusted in the process that the supporting movable rod rotates on the supporting rod fixed rod.

To sum up, the utility model discloses following beneficial effect has: during the use place into the eyeball and settle the intracavity back and carry out elastic connection with a location section of thick bamboo and seat through elastic connection spare to enable the eyeball by the elasticity centre gripping in settling the intracavity, can carry out effective centre gripping to the eyeball and fix, also can reduce the rigid oppression to the eyeball through the mode of elasticity centre gripping, thereby avoid the eyeball to produce the damage and influence experimental operation in the clamping process.

Drawings

Fig. 1 is a schematic structural view of an isolated eyeball fixation device.

Reference numerals: 1. placing a seat; 11. positioning the concave surface; 12. a base; 121. adjusting the height of the screw rod; 13. heightening the screw hole; 2. a positioning cylinder; 21. embedding a mounting hole; 22. a display ring; 221. a display aperture; 3. a placement cavity; 4. an elastic connecting member; 41. a first connecting member; 42. a second connecting member; 5. a supporting seat; 51. a support disc; 52. supporting and fixing the rod; 53. a support movable rod; 6. a friction pad.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1, an in vitro eyeball fixing device comprises a placing seat 1 and a positioning tube 2 sleeved at one end of the placing seat 1, a placing cavity 3 used for placing an in vitro eyeball is reserved between the end part of the placing seat 1 and the bottom of the positioning tube 2, a display hole 221 used for exposing a part of eyeball is formed in the bottom of the positioning tube 2, an elastic connecting piece 4 capable of clamping the eyeball in the placing cavity 3 is connected between the positioning tube 2 and the placing seat 1, one end of the elastic connecting piece 4 is connected with the positioning tube 2, the other end of the elastic connecting piece is connected with the placing seat 1, the elastic connecting piece 4 is detachably and fixedly connected with the positioning tube 2 and/or the placing seat 1, and the eyeball can be elastically clamped in the placing cavity 3 through the elastic connecting piece 4 connected between the positioning tube 2 and the placing seat 1 in an elastic tensioning manner.

The preferred inside wall laminating setting with a location section of thick bamboo 2 of lateral wall of mount 1 in the above-mentioned scheme, can make things convenient for a location section of thick bamboo 2 axial on mount 1 to stably slide, also can avoid both simultaneously because of rocking influence eyeball's the firm degree of arrangement, and the internal diameter size of demonstration hole 221 will be less than eyeball's external diameter size, avoid eyeball directly to break away from demonstration hole 221, and elastic connection spare 4 can be made strip or cyclic annular by rubber or silica gel, both ends are used for connecting a location section of thick bamboo 2 and mount 1 respectively.

During the use place eyeball in settle chamber 3 back and carry out elastic connection with a location section of thick bamboo 2 and settle seat 1 through elastic connection spare 4 to enable eyeball by the elasticity centre gripping in settling chamber 3, can carry out effective centre gripping to the eyeball and fix, also can reduce the rigid oppression to the eyeball through the mode of elasticity centre gripping, thereby avoid eyeball to produce the damage and influence experimental operation at the centre gripping in-process.

The positioning cylinder 2 and/or the setting seat 1 are/is provided with a first connecting piece 41 connected with the elastic connecting piece 4, one end or two ends of the elastic connecting piece 4 are/is provided with a second connecting piece 42 connected with the first connecting piece 41, and the first connecting piece 41 and/or the second connecting piece 42 are/is provided with a plurality of connecting pieces and are/is arranged along the direction close to or far away from the setting cavity 3. In the scheme, at least one end of the elastic connecting piece 4 is detachably connected with the positioning cylinder 2 or the placing seat 1 through the first connecting piece 41 and the second connecting piece 42, wherein the first connecting piece 41 can be an inserting hole, the second connecting piece 42 can be an inserting rod which can be inserted into the inserting hole, and the inner diameter of the inserting hole is matched with the outer diameter of the inserting rod; the first connecting pieces 41 and/or the second connecting pieces 42 are provided in plurality, the second connecting pieces 42 at the end parts of the elastic connecting pieces 4 can be adjusted to be connected with the first connecting pieces 41 at different positions to adjust the clamping force on the eyeball, and the use flexibility and the application range of the eyeball fixing device can be further improved. Although the clamping force of the eyeball can be adjusted by replacing the elastic connecting pieces 4 with different lengths, the scheme needs one eyeball fixing device with a plurality of elastic connecting pieces 4, and is inconvenient to select use and store and manage.

The end surface of the placing seat 1 inserted into the positioning tube 2 is provided with a positioning concave surface 11 for positioning the eyeball and placing the eyeball in the middle, and the positioning concave surface 11 is arranged in an arc structure. The concave positioning surface 11 can facilitate the positioning of the eyeball in the middle, thereby effectively avoiding the eyeball from moving in the process of preparing for clamping in the placing cavity 3.

The bottom of the positioning cylinder 2 is provided with an embedded hole 21 which is arranged in a tapered structure, the larger inner diameter end of the embedded hole 21 is arranged towards the placing seat 1, a display ring 22 for arranging the display hole 221 is embedded in the embedded hole 21, the display ring 22 and the display hole 221 are coaxially arranged, the display ring 22 is arranged in a cone frustum structure, the outer side wall of the display ring 22 can be abutted against the inner side wall of the embedded hole 21 when the display ring 22 is embedded in the embedded hole 21, the display hole 221 is arranged in a tapered hole structure, and the larger inner diameter end of the display hole 221 is arranged towards the placing seat 1. The display ring 22 can be embedded in the bottom of the positioning tube 2 through the embedding hole 21 to realize detachable connection, and the display hole 221 arranged on the display ring 22 can display eyeballs on the bottom of the positioning tube 2 while limiting the eyeballs. In addition, when a large eyeball is clamped, the display ring 22 can be taken down, the large eyeball is clamped in the positioning cylinder 2 directly through the embedded hole 21, and meanwhile, the embedded hole 21 and the display hole 221 which are arranged in the conical structure can increase the contact area with the eyeball, so that the firmness degree of clamping the eyeball is improved, and the eyeball is effectively prevented from moving after being clamped.

The display rings 22 are arranged in a plurality of numbers, the display rings 22 are sequentially and coaxially embedded from small to large, the display hole 221 of the large display ring 22 is the embedded hole 21 of the small display ring 22, the display rings 22 which are coaxially embedded can be overlapped and embedded, the display rings 22 which are matched with the eyeball to be clamped can be selected according to the size of the eyeball to be clamped, and the application range of the in-vitro eyeball fixing device is favorably widened.

In addition, a plurality of display rings 22 with different sizes of the display holes 221 can be provided, and the size of each display ring 22 is the same, so that the display rings 22 can be replaced when holding eyeballs with different sizes.

An annular elastic pad is disposed around the inner sidewall of the display hole 221, and the elastic pad may be a hollow air bag or a washer made of silicone, which is used to prevent the eyeball from directly contacting the display ring 22, so as to prevent the eyeball from being damaged by the eyeball fixing device.

The bottom of the setting seat 1 is provided with a base 12 used for increasing the contact area with the operation table surface, the outer diameter of the base 12 is larger than that of the setting seat 1, the setting seat 1 is vertically arranged in the middle of the base 12, and the bottom of the base 12 is provided with a friction pad 6 used for increasing friction force. This eyeball fixing device settles usually on the operation mesa on the laboratory bench, has increased the base 12 of settling the seat and can effectively improve eyeball fixing device's settling stability degree, avoids eyeball fixing device swing and influences medical science research work such as experiment, test, dissection to the eyeball. When the eyeball needs to be observed at different angles, the observation can be realized by directly rotating the placing seat 1, wherein the base 12 can be rotated along with the eyeball, or the placing seat 1 can be rotatably connected to the base 12. The friction pad 6 at the bottom of the base 12 increases the stability of the eyeball fixing device on the operation table top, and avoids the influence on the operation caused by the unstable placement of the eyeball fixing device on the operation table top.

The base 12 is convexly provided with a height-adjusting screw rod 121, the bottom of the placing seat 1 is provided with a height-adjusting screw hole 13 capable of being screwed with the height-adjusting screw rod 121, and the height of the placing seat 1 from the operation table top can be adjusted in the process of rotating the height-adjusting screw rod 121 in the height-adjusting screw hole 13. The in-process of rotating the arrangement seat 1 can axially slide on the heightening screw rod 121, so that the height of the arrangement cavity 3 can be adjusted, operation and observation of operators are facilitated, and the use is more flexible and convenient. In order to avoid the rotation of the placing seat 1 in the detection operation process, a locking nut can be additionally arranged on the heightening screw rod 121 through the locking nut, and the placing seat 1 is adjusted in place and then is rotated until the locking nut abuts against the placing seat 1, so that the locking of the placing seat 1 can be realized.

The two opposite sides of the placing seat 1 are respectively provided with a supporting seat 5 for supporting the arm of the operator. Because eyeball fixing device has a certain height, consequently settle chamber 3 and be located the top of operation mesa and have a certain height, and operating personnel's elbow can not support on the operation mesa necessarily, consequently sets up supporting seat 5 and can make things convenient for operating personnel's elbow to place, the detection and the operation of operating personnel of being convenient for.

The upper end axial of supporting seat 5 is connected with the supporting disk 51 that is used for supplying the operating personnel arm to place, and the external diameter of supporting disk 51 is greater than the external diameter of supporting seat 5. The supporting disc 51 can rotate, and the size is larger, so that the use of an operator can be facilitated, and the use flexibility of the supporting seat 5 is increased.

The supporting seats 5 and the placing seat 1 are arranged in a split mode, the two supporting seats 5 are respectively arranged on the operation table tops on the two sides of the placing seat 1, and the bottom of each supporting seat 5 is provided with a friction pad 6 used for increasing the friction force with the operation table top; the supporting seat 5 comprises a supporting fixed rod 52 and a supporting movable rod 53 screwed on the supporting fixed rod 52, and the height of the supporting seat 5 can be adjusted in the process that the supporting movable rod 53 rotates on the supporting rod fixed rod. Although supporting seat 5 can be fixed on mount 1 or a location section of thick bamboo 2 with one end, and the outside radial extension of the other end, also can realize being used for supplying the support of elbow, this application is preferred to set up supporting seat 5 alone, not only can be convenient for adjust the interval between supporting seat 5 and the mount 1, thereby also can avoid in operation process to drive and rock mount 1 in the lump because of rocking supporting seat 5 and influence experimental operation, consequently is favorable to improving experimental operation's degree of safety. And the bottom of supporting seat 5 also is provided with friction pad 6, can improve the settling stability of supporting seat 5, and the height-adjustable structure of supporting seat 5 has further increased the nimble degree of use and the application scope of supporting seat 5.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a separation eyeball fixing device, locates a location section of thick bamboo (2) of settling seat (1) one end including settling seat (1) and cover, leave between the tip of settling seat (1) to the bottom of a location section of thick bamboo (2) and be used for supplying the arrangement chamber (3) that the separation eyeball settled, the bottom of a location section of thick bamboo (2) is provided with and is used for supplying display hole (221) that partial eyeball exposes, characterized by: be connected with between a location section of thick bamboo (2) and the seat of settling (1) and can be with eyeball centre gripping in elastic connecting piece (4) of settling chamber (3), the one end and the location section of thick bamboo (2) of elastic connecting piece (4) are connected, and the other end is connected with seat of settling (1), fixed connection can be dismantled with a location section of thick bamboo (2) and/or seat of settling (1) in elastic connecting piece (4), and elastic connecting piece (4) that elastic tensioning connects between a location section of thick bamboo (2) and seat of settling (1) can be with eyeball elasticity centre gripping in settling chamber (3).

2. The ex vivo eyeball fixation device as claimed in claim 1, wherein: the positioning cylinder (2) and/or the placement seat (1) are/is provided with a first connecting piece (41) connected with the elastic connecting piece (4), one end or two ends of the elastic connecting piece (4) are/is provided with a second connecting piece (42) connected with the first connecting piece (41), the first connecting piece (41) and/or the second connecting piece (42) are/is provided with a plurality of connecting pieces, and the connecting pieces are arranged along the direction close to or far away from the placement cavity (3).

3. An ex vivo eye fixation device according to claim 1 or 2, wherein: the end face of the placing seat (1) inserted into the positioning barrel (2) is provided with a positioning concave surface (11) for positioning the eyeball at the middle part, and the positioning concave surface (11) is arranged in an arc structure.

4. The ex vivo eyeball fixation device as claimed in claim 1, wherein: the bottom of a location section of thick bamboo (2) is provided with inlay dress hole (21) that the toper structure set up, inlay the great one end of dress hole (21) internal diameter and set up towards mount pad (1), inlay the display ring (22) that the dress hole (21) embedded be equipped with and be used for supplying to show hole (221) and set up, display ring (22) and display hole (221) coaxial setting, display ring (22) become the setting of circular cone platform structure, the outside wall that shows ring (22) when showing ring (22) embedding dress hole (21) in can with inlay the inside wall butt of dress hole (21), show hole (221) toper hole structure sets up, the great one end of show hole (221) internal diameter sets up towards mount pad (1).

5. The ex vivo eyeball fixation device of claim 4, wherein: the display ring (22) is provided with a plurality of display rings (22), each display ring (22) is sequentially and coaxially embedded from small to large, the display hole (221) of the large display ring (22) is an embedded hole (21) of the small display ring (22), and an annular elastic pad is arranged on the inner side wall of the display hole (221) in an encircling mode.

6. The ex vivo eyeball fixation device as claimed in claim 1, wherein: the bottom of placing seat (1) is provided with base (12) that are used for increasing the area of contact with operation mesa, the external diameter size of base (12) is greater than the external diameter size of placing seat (1) to placing seat (1) is vertical to be set up in the middle part of base (12), the bottom of base (12) is provided with friction pad (6) that are used for increasing frictional force.

7. The ex vivo eyeball fixation device of claim 6, wherein: the base (12) epirelief is equipped with increases screw rod (121), the bottom of arrangement seat (1) is provided with can with increase screw rod (121) spiro union increase screw (13), increases screw rod (121) and can adjust the height that arrangement seat (1) apart from the operation mesa at the in-process of increasing screw (13) internal rotation.

8. The ex vivo eyeball fixation device as claimed in claim 1, wherein: the two opposite sides of the placing seat (1) are respectively provided with a supporting seat (5) for supporting the arm of an operator.

9. The ex vivo eye fixation device of claim 8, wherein: the upper end axial of supporting seat (5) is connected with supporting disk (51) that are used for supplying the operating personnel arm to place, the external diameter of supporting disk (51) is greater than the external diameter of supporting seat (5).

10. An ex vivo eye fixation device according to claim 8 or 9, wherein: the supporting seats (5) and the placing seat (1) are arranged in a split mode, the two supporting seats (5) are respectively arranged on the operation table tops on the two sides of the placing seat (1), and friction pads (6) used for increasing friction force with the operation table tops are arranged at the bottoms of the supporting seats (5); the supporting seat (5) comprises a supporting fixed rod (52) and a supporting movable rod (53) which is in threaded connection with the supporting fixed rod (52), and the height of the supporting seat (5) can be adjusted in the process that the supporting movable rod (53) rotates on the supporting rod fixed rod.