CN215606820U

CN215606820U - Intraocular injection auxiliary device

Info

Publication number: CN215606820U
Application number: CN202121182940.9U
Authority: CN
Inventors: 张颖
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2022-01-25
Anticipated expiration: 2031-05-28

Abstract

The application provides an intraocular injection auxiliary device belongs to injection auxiliary device technical field. The intraocular injection auxiliary device comprises a distraction assembly and an injection positioning assembly. The strutting assembly comprises a fixed pulling block, a movable pulling block and an adjusting piece, the fixed pulling block is fixedly connected with the adjusting piece, the movable pulling block is movably connected with the adjusting piece, the injection positioning assembly comprises a metal shaping hose and a positioning barrel, one end part of the metal shaping hose is connected with the fixed pulling block, the other end part of the metal shaping hose is connected with the positioning barrel, a positioning rod is arranged in the positioning barrel in a sleeved mode, a U-shaped groove for inversion is formed in the bottom of the positioning rod, a shifting block is connected onto the positioning rod, a sliding rail is formed in the side wall of the positioning barrel, the outer wall of the positioning barrel is provided with a connecting plate, a needle hole is formed in the connecting plate, and the positioning barrel is connected with an elastic metal clamping block. Injection locating component and distraction subassembly are as an organic whole in this application, have saved the required time of location of taking and pressing the instrument, have increased the injection convenience.

Description

Intraocular injection auxiliary device

Technical Field

The application relates to the field of injection auxiliary devices, in particular to an intraocular injection auxiliary device.

Background

Intravitreal injection is a route to inject various drugs into the vitreous of the eyeball and is applicable to the following patients: confirmed endophthalmitis, highly suspected endophthalmitis, elevated intraocular pressure for low intraocular pressure after internal eye surgery, and fixation of the retina by injection of gas after retinal detachment surgery and vitrectomy surgery. When injecting in vitreous cavity, auxiliary injection is usually required by means of an intraocular injection auxiliary device.

It can only strut patient's eyelid with the intraocular injection auxiliary device in referring to the correlation technique usually, can not combine to use opening structure and location and pressing structure to can not be fine seek the position of corneoscleral reason 3.5-4MM to carry out quick accurate contact pin to the vitreous body, also can not take after pulling out the needle and press pressing structure and press contact pin department and reduce its liquid medicine backward flow, and then cause injection efficiency and effect less than unsatisfactory easily.

How to invent an intraocular injection auxiliary device to improve the problems becomes a problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In order to remedy the above deficiency, the present application provides an intraocular injection assisting device, which aims to improve the problems in the related art that the injection efficiency and effect of the intraocular injection assisting device are less than ideal.

The embodiment of the application provides an intraocular injection auxiliary device, including strutting the subassembly and injecting locating component.

The opening component comprises a fixed pulling block, a movable pulling block and an adjusting piece, the fixed pulling block is fixedly connected with the adjusting piece, the movable pulling block is movably connected with the adjusting piece, the injection positioning component comprises a metal shaping hose and a positioning barrel, one end part of the metal shaping hose is connected to the fixed pulling block, the other end part of the metal shaping hose is connected with the positioning barrel, the positioning barrel is internally sleeved with a positioning rod, the bottom of the positioning rod is provided with an inverted U-shaped groove, springs are respectively arranged between the inner end of the positioning rod and the inner end of the positioning barrel, the positioning rod is connected with a pulling block, the side wall of the positioning barrel is provided with a sliding rail in a penetrating way, the pulling block is connected in the sliding way in a sliding way, the opening part of the outer wall of the positioning barrel is provided with a connecting plate, the connecting plate is provided with a needle hole in a penetrating way, and the outer wall of the positioning barrel is also connected with an elastic metal clamping block, the cotton swab rod is clamped in the elastic metal clamping block.

In the implementation process, the fixed block and the movable block can quickly open two eyelids of the patient by using the adjusting piece, so that the visual field during the operation can be expanded, and the safety and the accuracy of the operation can be improved; the sight line of a patient is guided to be transferred so that an injectable region can be left at a target display position, then a positioning barrel is quickly transferred to a to-be-injected region by utilizing a metal shaping hose, a shifting block is shifted downwards towards a sliding rail, the positioning rod can be exposed out from an opening at the bottom of the positioning barrel along with the movement of the shifting block, two ends of the bottom of the positioning rod are abutted to the 3.5-4MM of the corneoscleral edge, then an injection liquid is injected into a glass body through a pinhole by virtue of an external injector, so that the injection region can be conveniently found and determined and can be quickly injected, a needle head of the injector is slowly removed after injection, a clamped cotton swab stick is taken down from an elastic metal clamping block and is quickly pressed at an eyeball needle inserting position, the probability of backflow of the injection liquid is reduced, the injection effect is effectively improved, the metal shaping hose can be moved to other places after injection is finished, and the positioning rod is quickly retracted into the positioning barrel under the contraction action of a spring, avoid causing the probability of patient's loss, the more appurtenance integration that will inject the needs when this application is whole to be used has saved the required time of instrument of taking, has increased the injection convenience.

In a specific embodiment, the fixed block and the movable block are both composed of arc plates and connecting rods, and the bottoms of all the arc plates are adhered with a medical silica gel layer.

In the implementation process, the flexible medical silica gel layer arranged at the bottoms of the fixed block and the movable block can reduce the probability of damage to the eyes of the patient in the opening process.

In a specific embodiment, the adjusting part comprises a screw rod and a guide rail, and the guide rail is fixed with the outer end of a connecting rod contained in the fixed block.

In a specific embodiment, the outer end of the connecting rod included in the movable stripping block is connected with the guide rail in a sliding manner.

In a specific implementation scheme, a bearing is embedded on a connecting rod contained in the movable block, the outer end of the screw rod is in interference fit with an inner ring of the bearing, a screw hole is formed in the connecting rod contained in the fixed block, and the screw rod is rotatably connected with the screw hole.

In a specific implementation scheme, a hand wheel is fixedly connected to one end, far away from the movable block, of the screw rod.

In the implementation process, the arc-shaped plates of the fixed block and the movable block are used for respectively digging two eyelids of a patient, the hand wheel is rotated to drive the screw rod to operate, the screw rod is used for driving the connecting rod contained in the movable block to move in the guide rail towards the direction away from the fixed block, so that the fixed block and the movable block can quickly open the two eyelids of the patient, the visual field during operation can be expanded, and the safety and accuracy of the operation can be improved.

In a specific embodiment, the outer wall of the positioning rod is attached to the inner wall of the positioning cylinder, and the distance between the two side walls at the bottom of the positioning rod is 3.5-4 MM.

In the implementation process, the distance between the two side walls at the bottom of the positioning rod is set so that the positioning rod can be conveniently and quickly positioned at the 3.5-4MM of the corneoscleral edge, the position of the needle hole can be controlled, and the syringe needle can be conveniently and accurately inserted into the vitreous body.

In a specific embodiment, the needle hole is movably connected with an external syringe needle.

In the implementation process, the position of the pinhole is arranged between the corneoscleral edge 3.5-4 MM.

In a specific embodiment, the outer wall of the shifting block is also provided with anti-skid lines.

In the implementation process, the stability of the shifting block moving is convenient to promote by utilizing the arrangement of the anti-skid grains.

In a specific embodiment, the elastic metal clamping block is arranged in a C shape, and an anti-skid rubber pad is adhered to the inner wall of the elastic metal clamping block.

In the implementation process, the anti-skid rubber pad is fixed to the inner wall of the elastic metal clamping block through strong glue, and the cotton swab is prepared for standby use before an injection operation by means of the cooperation of the elastic metal clamping block and the anti-skid rubber pad.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic structural view of an intraocular injection assisting device provided by an embodiment of the present application;

fig. 2 is a schematic structural view of a positional relationship between a movable stripping block and a guide rail according to an embodiment of the present disclosure;

FIG. 3 is a schematic view of an injection positioning assembly according to an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of a top-down positional relationship between the positioning cylinder and the metal shaping hose and the pinhole according to the embodiment of the present application;

fig. 5 is a schematic cross-sectional connection structure diagram between the positioning barrel and the positioning rod according to the embodiment of the present application.

In the figure: 10-a distraction assembly; 110-a stationary block; 120-movable picking block; 130-an adjustment member; 131-a screw rod; 132-a guide rail; 133-hand wheel; 20-an injection positioning assembly; 210-a metal sizing hose; 220-a positioning cylinder; 230-a positioning rod; 240-spring; 250-shifting blocks; 260-a slide rail; 270-pinhole; 280-elastic metal clamping blocks.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1-5, the present application provides an intraocular injection assist device including a distraction assembly 10 and an injection positioning assembly 20.

The expanding component 10 is beneficial to expanding according to the size of the eyes of a patient, and the influence of the messy movement of eyelashes or eyelids on the injection operation in the injection process is reduced; injection locating component 20 closes as an organic whole with strutting the subassembly 10, has saved the required time of instrument of taking, has increased the injection convenience, utilizes injection locating component 20 to be convenient for fix a position the position at the corneosclera reason 3.5-4MM fast and inject, can take the cotton swab fast simultaneously after the injection and press eyeball contact pin position, reduces the probability of injection backward flow, effectively promotes the injection effect.

Referring to fig. 1 and 2, the spreading assembly 10 includes a fixed block 110, a movable block 120 and an adjusting element 130, the fixed block 110 is fixedly connected to the adjusting element 130, and the movable block 120 is movably connected to the adjusting element 130.

In the embodiment of the present application, the fixed block 110 and the movable block 120 are both composed of arc plates and connecting rods, a medical silica gel layer is adhered to the bottom of all the arc plates, and the flexible medical silica gel layer arranged at the bottom of the fixed block 110 and the movable block 120 can reduce the probability of damage to the eyes of the patient during the opening process.

In the embodiment of the present application, the adjusting member 130 includes a screw rod 131 and a guide rail 132, the guide rail 132 is fixed to an outer end of a connecting rod included in the fixed block 110 by a screw, an outer end of the connecting rod included in the movable block 120 is slidably connected to the guide rail 132, a bearing is embedded in the connecting rod included in the movable block 120, an outer end of the screw rod 131 is in interference fit with an inner ring of the bearing, a screw hole is formed in the connecting rod included in the fixed block 110, the screw rod 131 is rotatably connected to the screw hole, and a hand wheel 133 is further fixedly welded to an end of the screw rod 131 away from the movable block 120, wherein firstly, the arc-shaped plates included in the fixed block 110 and the movable block 120 respectively scrape two eyelids of the patient, the hand wheel 133 is rotated to drive the screw rod 131 to operate, the connecting rod included in the movable block 120 is driven by the screw rod 131 to move in the guide rail 132 in a direction away from the fixed block 110, so that the fixed block 110 and the movable block 120 can quickly prop the two eyelids of the patient apart, is beneficial to enlarging the visual field during the operation and increasing the safety and the accuracy of the operation.

Referring to fig. 1, 2, 3 and 4, the injection positioning assembly 20 includes a metal shaped hose 210 and a positioning cylinder 220, one end of the metal shaped hose 210 is connected to the fixed block 110, the other end of the metal shaped hose 210 is connected to the positioning cylinder 220, a positioning rod 230 is sleeved in the positioning cylinder 220, an inverted U-shaped groove is formed at the bottom of the positioning rod 230, springs 240 are mounted between the inner ends of the positioning rod 230 and the positioning cylinder 220 through screws, a shifting block 250 is connected to the positioning rod 230 through screws, and specifically, the longitudinal section of the shifting block 250 is in a T shape. The side wall of the positioning cylinder 220 is penetrated by a sliding rail 260, the shifting block 250 is slidably connected in the sliding rail 260, a connecting plate is arranged at an opening of the outer wall of the positioning cylinder 220, the connecting plate is L-shaped and is fixedly connected with the positioning cylinder 220 through a screw, and it needs to be described that the distance between the position of the extended bottom end of the positioning rod 230 and the eyeball is smaller than the distance between the pinhole 270 and the eyeball on the connecting plate, so that the connecting plate does not influence the positioning operation of the positioning rod 230. The connecting plate is provided with a pinhole 270 in a penetrating way, the outer wall of the positioning cylinder 220 is also connected with an elastic metal clamping block 280 through a screw, and a cotton swab rod is clamped in the elastic metal clamping block 280.

In this application embodiment, the outer wall of the positioning rod 230 is attached to the inner wall of the positioning cylinder 220, the distance between the two side walls of the bottom of the positioning rod 230 is 3.5-4MM, wherein the distance between the two side walls of the bottom of the positioning rod 230 is set so as to be conveniently and rapidly positioned at the 3.5-4MM of the corneal scleral edge, which is beneficial to controlling the position of the needle hole 270 and facilitating the more accurate insertion of the syringe needle into the vitreous body. The needle hole 270 is movably inserted with an external syringe needle, wherein the position of the needle hole 270 is located between 3.5 MM and 4MM of the corneoscleral edge. The shifting block 250 outer wall is also provided with anti-slip lines, wherein, the stability that shifting block 250 removed is convenient for promote by the setting of anti-slip lines. The elastic metal clamping block 280 is arranged in a C shape, the inner wall of the elastic metal clamping block 280 is adhered with the inherent anti-slip rubber pad through strong glue, the anti-slip rubber pad is adhered to the inner wall of the elastic metal clamping block 280 through the strong glue, and the cotton swab is prepared for standby before an injection operation by matching the elastic metal clamping block 280 with the anti-slip rubber pad, so that the delay time for taking the cotton swab elsewhere is reduced, and the probability of backflow of injection is effectively reduced.

The working principle of the intraocular injection auxiliary device is as follows: when the device is used, firstly, the arc-shaped plates of the fixed block 110 and the movable block 120 respectively hold two eyelids of a patient, the flexible medical silica gel layer arranged at the bottom of the fixed block 110 and the movable block 120 can reduce the probability of damage to the eyes of the patient in the opening process, the handwheel 133 is rotated to drive the screw rod 131 to operate, the screw rod 131 drives the connecting rod contained in the movable block 120 to move in the guide rail 132 towards the direction far away from the fixed block 110, so that the fixed block 110 and the movable block 120 can quickly hold the two eyelids of the patient, the visual field during operation can be conveniently expanded, the safety and the accuracy of the operation can be improved, the visual line of the patient can be guided to be transferred to the injection-displaying position, then the positioning barrel 220 can be quickly transferred to the injection-waiting area by the metal shaping hose 210, the shifting block 250 downwards towards the slide rail 260, the positioning rod 230 can be exposed from the opening at the bottom of the positioning cylinder 220 along with the movement of the shifting block 250, two ends of the bottom of the positioning rod 230 are abutted to the 3.5-4MM of the corneal scleral edge, then the injection liquid is injected into the vitreous body through the pinhole 270 by virtue of an external injector, so that the injection area can be conveniently found, the determined position and the injection can be quickly carried out, the needle head of the injector is slowly removed after the injection, the clamped cotton swab stick is taken down from the elastic metal clamping block 280, the eyeball inserting needle part is quickly pressed, the probability of backflow of the injection liquid is reduced, the injection effect is effectively improved, the metal shaping hose 210 can be moved to other places after the injection is finished, the positioning rod 230 is quickly retracted into the positioning cylinder 220 under the contraction action of the spring 240, the probability of patient loss is avoided, more auxiliary tools required by the injection are integrated together when the whole positioning cylinder is used, the time required for taking the tools is saved, the convenience of injection is increased.

It should be noted that the specific model specifications of the metal shaping hose 210, the lead screw 131, the spring 240 and the elastic metal clamping block 280 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art, so detailed description is omitted.

The above embodiments are merely examples of the present application and are not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. An intraocular injection assist device, comprising

The supporting component (10), the supporting component (10) comprises a fixed block (110), a movable block (120) and an adjusting piece (130), the fixed block (110) is fixedly connected to the adjusting piece (130), and the movable block (120) is movably connected to the adjusting piece (130);

an injection positioning assembly (20), wherein the injection positioning assembly (20) comprises a metal shaping hose (210) and a positioning barrel (220), one end of the metal shaping hose (210) is connected to the fixed block (110), the other end of the metal shaping hose (210) is connected to the positioning barrel (220), a positioning rod (230) is sleeved in the positioning barrel (220), an inverted U-shaped groove is formed in the bottom of the positioning rod (230), springs (240) are respectively arranged between the inner end of the positioning rod (230) and the inner end of the positioning barrel (220), a shifting block (250) is connected to the positioning rod (230), a sliding rail (260) is arranged on the side wall of the positioning barrel (220) in a penetrating manner, the shifting block (250) is in sliding connection in the sliding rail (260), a connecting plate is arranged at an opening of the outer wall of the positioning barrel (220), and a needle hole (270) is arranged on the connecting plate in a penetrating manner, the outer wall of the positioning cylinder (220) is further connected with an elastic metal clamping block (280), and a cotton swab rod is clamped in the elastic metal clamping block (280).

2. The intraocular injection assisting device according to claim 1, wherein the fixed block (110) and the movable block (120) are both composed of arc-shaped plates and connecting rods, and a medical silica gel layer is adhered to the bottoms of all the arc-shaped plates.

3. The intraocular injection assisting device according to claim 2, wherein the adjusting member (130) comprises a screw (131) and a guide rail (132), and the guide rail (132) is fixed to an outer end of a connecting rod included in the stationary block (110).

4. An intraocular injection aid according to claim 3, wherein the movable paddle block (120) comprises a link having an outer end slidably connected to the rail (132).

5. The auxiliary device for intraocular injection according to claim 3, wherein a bearing is embedded in a connecting rod included in the movable block (120), an outer end of the lead screw (131) is in interference fit with an inner ring of the bearing, a screw hole is formed in a connecting rod included in the fixed block (110), and the lead screw (131) is rotatably connected with the screw hole.

6. The intraocular injection assisting device according to claim 3, wherein a hand wheel (133) is further fixedly connected to one end of the screw rod (131) far away from the movable block (120).

7. The auxiliary device for intraocular injection of claim 1, wherein the outer wall of the positioning rod (230) is attached to the inner wall of the positioning cylinder (220), and the distance between the two side walls of the bottom of the positioning rod (230) is 3.5 MM to 4 MM.

8. An intraocular injection assist device as claimed in claim 1, wherein the needle hole (270) is removably attachable to an externally located syringe needle.

9. The intraocular injection assisting device according to claim 1, wherein the dial block (250) is further provided with anti-slip lines on its outer wall.

10. The intraocular injection aid of claim 1, wherein the resilient metal clip (280) is C-shaped, and a non-slip rubber pad is adhered to an inner wall of the resilient metal clip (280).