Eye fluid collector
By designing an eye fluid collector that includes an eye fluid gun, a fluid extraction device, and an eye fluid storage tube, the problem of inability to accurately collect eye fluid in the existing technology is solved, and fast, accurate, and safe eye fluid collection and stability are achieved. save.
Patent Information
- Application Number
- CN202011072389.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2020-10-09
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2040-10-09
AI Technical Summary
The existing tear collection device cannot accurately penetrate the blood collection needle into the lacrimal glands of the human eye, causing difficulty in collecting and inconvenient operation, thereby increasing the risk of surgery.
An eye fluid collector is designed, which includes an eye fluid gun, a fluid extraction device and an eye fluid storage tube. The fluid extraction device is fixed through the eye fluid gun to ensure that the suction needle can accurately penetrate into the lacrimal gland of the human eye and pass through the eye. The negative pressure state in the liquid storage tube realizes the collection and storage of eye liquid.
It realizes the rapid, accurate and safe collection of human eye fluid, avoiding the problems of difficult collection and inconvenient operation for doctors. It also meets the needs of accurately controlling the flow of eye fluid collection and stably preserves eye fluid for 7 days at room temperature.
Smart Images

Figure CN112263282B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of medical instruments, in particular to an eye fluid collector. Background Art
[0002] With the development of economy and the improvement of living standards, people are under increasing work pressure. Especially in the Internet age, people use computers and mobile phones more and more frequently and for longer periods of time, which leads to various eye diseases. In order to better prevent and treat eye diseases, it is necessary to collect human eye fluid for testing. To this end, we have designed an eye fluid collector. There is no such product on the market. In clinical practice, blood collection needles and disposable vacuum eye fluid tubes are usually used for collection. This method cannot control the flow of inhaled eye fluid well, and it is not possible to accurately insert the blood collection needle into the human eye tear gland, which makes it difficult for doctors to collect and inconvenient to operate, thereby increasing the risk of surgery. Summary of the invention
[0003] The purpose of the present invention is to provide an eye fluid collector to solve the problem that the existing tear collection device cannot accurately insert the blood collection needle into the tear gland of the human eye, which makes it difficult for doctors to collect and inconvenient to operate, thereby increasing the risk of surgery.
[0004] The present invention provides an eye fluid collector, comprising an eye fluid gun, a fluid collection device, and an eye fluid storage tube. The eye fluid gun is detachably connected to the fluid collection device inside, one end of the fluid collection device is detachably connected to the eye fluid storage tube, and the eye fluid storage tube is arranged at the tail of the eye fluid gun.
[0005] Preferably, the liquid collection device includes a suction needle, an infusion tube, and an output needle. The tail of the suction needle is fixedly connected to one end of the infusion tube, and the other end of the infusion tube is fixedly connected to the output needle. The output needle is detachably connected to the eye fluid storage tube.
[0006] Preferably, the eye fluid storage tube comprises a test tube and a test tube plug, the test tube plug is provided at the opening of the test tube, the test tube and the test tube plug are interference fit, the eye fluid storage tube is provided with eye fluid preservative solution, and the inside of the eye fluid storage tube is in a negative pressure state.
[0007] Preferably, the eye fluid gun comprises a first handle, a second handle, a trigger, a follower block, and an eye fluid delivery control device. One side of the first handle is detachably connected to the second handle, the second handle is rotatably connected to the trigger, the eye fluid delivery control device is provided on the upper side of the trigger, the eye fluid delivery control device is arranged inside the second handle, the follower block is provided between the trigger and the eye fluid delivery control device, and the follower block is slidably connected to one side of the first handle.
[0008] Preferably, the eye fluid delivery control device includes a return spring and an infusion tube clamping piece, the return spring is arranged inside the second handle, the infusion tube clamping piece is provided on one side of the return spring, and the position of the infusion tube clamping piece is arranged corresponding to the position of the liquid collection device.
[0009] Preferably, the infusion tube clamping member comprises a chassis, a clamping block is provided on one side of the chassis, side surfaces of both sides of the clamping block are provided with yielding slopes, and a first guide slope is provided on the lower end surface of the clamping block.
[0010] Preferably, a first guide fillet is provided at a corner of the lower end surface of the driven block, and a second guide slope is provided on the upper end surface of the driven block, and the second guide slope is arranged in coordination with the first guide slope.
[0011] Preferably, a matching block is provided on the upper side of the trigger, and a second guide fillet is provided at the corner of the upper end surface of the matching block.
[0012] Preferably, the upper end surface of the first handle is provided with a liquid taking device placement groove, the inner side surface of the first handle is provided with a driven block sliding groove, the bottom of the driven block sliding groove is provided with a waist-shaped hole, and the driven block is slidably arranged in the waist-shaped hole.
[0013] Preferably, a mounting block is provided on the outer side of the second handle, a decorative cover plate is provided on one side of the mounting block, a sliding clearance groove is provided on the inner side of the second handle, a spring mounting groove is provided at the bottom of the sliding clearance groove, and the eye fluid delivery control device is provided in the spring mounting groove.
[0014] Beneficial effects of the present invention:
[0015] 1. The present invention can collect human eye fluid quickly, accurately and safely. The eye fluid gun is used to fix the liquid collection device, ensuring that the user can accurately insert the suction needle 2.1 into the human eye lacrimal gland, thereby avoiding the problem of difficulty in eye fluid collection by doctors, inconvenience in operation, and increased surgical risks.
[0016] 2. The eye fluid collector of the present invention effectively solves the problem of controlling the eye fluid collection flow rate during the eye fluid collection process, thereby meeting the requirement of accurately collecting the amount of eye fluid required for testing.
[0017] 3. The present invention provides a preservation solution in the eye fluid storage tube 3, which ensures that the collected eye fluid can be stably stored at room temperature for 7 days under the action of the preservation solution. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0019] in:
[0020] Figure 1 is an axonometric view of the present invention;
[0021] Figure 2 It is a schematic diagram of the position structure of the liquid taking device and the eye liquid delivery control device;
[0022] Figure 3 is a sampling diagram of the first handle;
[0023] Figure 4 is a cross-sectional view of the internal structure of the second handle;
[0024] Figure 5 A top view of the present invention;
[0025] Figure 6 It is an axonometric view of the compression piece of the infusion tube;
[0026] Figure 7 It is the axonometric view of the driven block;
[0027] Figure 8 This is the main view of the trigger;
[0028] Fig. 9 Schematic diagram of the basic structure of the eye fluid storage tube. DETAILED DESCRIPTION
[0029] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention.
[0030] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0031] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the terms in the present invention can be understood according to specific circumstances.
[0032] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 and Fig. 9 As shown, an eye fluid collector provided by the present invention includes an eye fluid gun 1, a liquid collecting device 2, and an eye fluid storage tube 3. The eye fluid gun 1 is provided with a positioning groove. The eye fluid gun 1 includes a first handle 1.1. The upper end surface of the first handle 1.1 is provided with a liquid collecting device placement groove 1.2. The inner side surface of the first handle 1.1 is provided with a follower block sliding groove 1.3. The bottom of the follower block sliding groove 1.3 is provided with a waist-shaped hole 1.4. The inner side of the first handle 1.1 is detachably connected to the second handle 1.5 by a bolt or a limit pin.
[0033] The second handle 1.5 is provided with a mounting block 1.6 on the outside, and a decorative cover plate 1.7 is provided on one side of the mounting block 1.6. The decorative cover plate 1.7 is fixedly connected to the second handle 1.5 by bolts. The second handle 1.5 is provided with a sliding groove 1.8 on the inside, and a spring mounting groove 1.9 is provided at the bottom of the sliding groove 1.8. The eye liquid delivery control device 1.10 is provided in the spring mounting groove 1.9. The eye liquid delivery control device 1.10 includes a reset spring 1.101 and an infusion tube pressing member 1.102. The reset spring 1.101 is arranged in the spring mounting groove 1. 9, the infusion tube clamping piece 1.102 is provided on one side of the return spring 1.101, and the infusion tube clamping piece 1.102 includes a chassis 1.1021, and a clamping block 1.1022 is provided on one side of the chassis 1.1021. The side surfaces of the clamping block 1.1022 are provided with a yield slope 1.1023, and the lower end surface of the clamping block 1.1022 is provided with a first guide slope 1.1024. The position of the liquid taking device 2 is set corresponding to the position of the infusion tube clamping piece 1.102, and the first handle 1.1 and the second handle 1.5 are made of plastically deformable materials.
[0034] The inner side surface of the second handle 1.5 is rotatably connected to the trigger 1.11 through a limit shaft, and a matching block 1.12 is provided on the upper side of the trigger 1.11, and a second guide fillet 1.13 is provided at the corner of the upper end surface of the matching block 1.12. The follower block 1.14 is provided between the trigger 1.11 and the eye fluid delivery control device 1.10, and the follower block 1.14 is slidably arranged in the waist hole 1.4 through a bolt or a limit pin, and a first guide fillet 1.15 is provided at the corner of the lower end surface of the follower block 1.14, and the first guide fillet 1.15 and the second guide fillet 1.13 are arranged in coordination with each other, and a second guide slope 1.16 is provided on the upper end surface of the follower block 1.14, and the second guide slope 1.16 is arranged in coordination with the first guide slope 1.1024.
[0035] The interior of the eye liquid gun 1 is detachably connected to the liquid taking device 2, and the liquid taking device 2 includes a suction needle 2.1, an infusion tube 2.2, and an output needle 2.3. The tail of the suction needle 2.1 is fixedly connected to one end of the infusion tube 2.2, and the other end of the infusion tube 2.2 is fixedly connected to the output needle 2.3. The output needle 2.3 is detachably connected to the eye liquid storage tube 3, and the eye liquid storage tube 3 is arranged at the tail of the eye liquid gun 1.
[0036] The eye fluid storage tube 3 comprises a test tube 3.1 and a test tube plug 3.2. The test tube plug 3.2 is provided at the opening of the test tube 3.1. The test tube plug 3.2 is a butyl rubber plug. The test tube 3.1 and the test tube plug 3.2 are interference fit. The test tube plug 3.2 is arranged in the test tube 3.1 through elastic deformation. The eye fluid storage tube 3 is provided with an eye fluid preserving liquid 4. The inside of the eye fluid storage tube is in a negative pressure state. When in use, the user can absorb the eye fluid through the negative pressure inside the eye fluid storage tube 3.
[0037] When in use, first install the liquid taking device 2 into the eye liquid gun 1, and fix the three parts of the suction needle 2.1, the infusion tube 2.2 and the output needle 2.3 respectively through the plastic deformation of the handle itself and the limit of the eye liquid delivery control device 1.10, and then install the eye liquid storage tube 3. At this time, the infusion tube 2.2 is in a blocked state due to the pressure of the eye liquid delivery control device 1.10. When the liquid is needed, the trigger 1.11 is pulled, and the rotation of the trigger 1.11 causes the driven block 1.14 to move upward. Through the upward movement of the block 1.14, the liquid tube clamping piece 1.102 and the infusion tube 2.2 are separated. After the infusion tube 2.2 is not limited, the eye liquid can be absorbed by the negative pressure inside the eye liquid storage tube 3.
[0038] In summary, the beneficial effects of the present invention are:
[0039] 1. The present invention can collect human eye fluid quickly, accurately and safely. The eye fluid gun is used to fix the liquid collection device, ensuring that the user can accurately insert the suction needle 2.1 into the human eye lacrimal gland, thereby avoiding the problem of difficulty in eye fluid collection by doctors, inconvenience in operation, and increased surgical risks.
[0040] 2. The eye fluid collector of the present invention effectively solves the problem of controlling the eye fluid collection flow rate during the eye fluid collection process, thereby meeting the requirement of accurately collecting the amount of eye fluid required for testing.
[0041] 3. The present invention provides a preservation solution in the eye fluid storage tube 3, which ensures that the collected eye fluid can be stably stored at room temperature for 7 days under the action of the preservation solution.
[0042] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.
Claims
1. An eye fluid collector, characterized in that: The invention comprises an eye liquid gun, a liquid taking device and an eye liquid storage tube, wherein the inside of the eye liquid gun is detachably connected to the liquid taking device, one end of the liquid taking device is detachably connected to the eye liquid storage tube, and the eye liquid storage tube is arranged at the tail of the eye liquid gun; the liquid taking device comprises a suction needle, an infusion tube and an output needle, the tail of the suction needle is fixedly connected to one end of the infusion tube, the other end of the infusion tube is fixedly connected to the output needle, and the output needle is detachably connected to the eye liquid storage tube; the eye liquid gun comprises a first handle, a second handle, a trigger, a follower block and an eye liquid delivery control device, one side of the first handle is detachably connected to the second handle, the second handle is rotatably connected to the trigger, the upper side of the trigger is provided with the eye liquid delivery control device, the eye liquid delivery control device is arranged inside the second handle, the follower block is provided between the trigger and the eye liquid delivery control device, and the follower block is slidably connected to one side of the first handle.
2. An eye fluid collector according to claim 1, characterized in that: The eye fluid storage tube comprises a test tube and a test tube plug. The test tube plug is arranged at the opening of the test tube. The test tube and the test tube plug are interference fit. Eye fluid preserving liquid is arranged inside the eye fluid storage tube. The inside of the eye fluid storage tube is in a negative pressure state.
3. An eye fluid collector according to claim 2, characterized in that: The eye fluid delivery control device includes a return spring and an infusion tube clamping piece. The return spring is arranged inside the second handle. The infusion tube clamping piece is arranged on one side of the return spring. The position of the infusion tube clamping piece corresponds to the position of the liquid collection device.
4. An eye fluid collector according to claim 3, characterized in that: The infusion tube clamping member comprises a chassis, a clamping block is arranged on one side of the chassis, side surfaces of both sides of the clamping block are provided with yielding slopes, and a first guiding slope is arranged on the lower end surface of the clamping block.
5. An eye fluid collector according to claim 4, characterized in that: A first guide fillet is provided at a corner of the lower end surface of the driven block, and a second guide slope is provided on the upper end surface of the driven block, and the second guide slope is arranged in coordination with the first guide slope.
6. An eye fluid collector according to claim 1, characterized in that: A matching block is provided on the upper side of the trigger, and a second guide fillet is provided at the corner of the upper end surface of the matching block.
7. An eye fluid collector according to claim 1, characterized in that: The upper end surface of the first handle is provided with a liquid taking device placement groove, the inner side surface of the first handle is provided with a driven block sliding groove, the bottom of the driven block sliding groove is provided with a waist-shaped hole, and the driven block is slidably arranged in the waist-shaped hole.
8. An eye fluid collector according to claim 1, characterized in that: A mounting block is provided on the outer side of the second handle, a decorative cover plate is provided on one side of the mounting block, a sliding clearance groove is provided on the inner side of the second handle, a spring mounting groove is provided at the bottom of the sliding clearance groove, and the eye fluid delivery control device is provided in the spring mounting groove.
Citation Information
Patent Citations
Eye drop collector
CN214157373U