CN216021146U

CN216021146U - Tear safety collection device

Info

Publication number: CN216021146U
Application number: CN202122064026.0U
Authority: CN
Inventors: 江一波
Original assignee: Jiaxing Weikang Technology Co ltd
Current assignee: Jiaxing Weikang Technology Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-03-15
Anticipated expiration: 2031-08-30

Abstract

The utility model discloses a tear safe collection device, which comprises a collection assembly and a bracket, wherein the collection assembly comprises a capillary collection tube and a rubber head, the tail part of the capillary collection tube is connected with the rubber head, the collection assembly is fixed on the bracket through a fixing part, a blocking part is arranged on any one side of the bracket, and the head part of the capillary collection tube extends out of the bracket from the upper part of the blocking part. The utility model designs the blocking piece to abut against the lower eyelid, thereby avoiding potential damage to eyes caused by hand shaking to the maximum extent; the fine adjustment of the position of the capillary collecting tube is realized by optimizing the support structure and adding the elastic piece, and the tear collecting operation is more convenient by arranging the first handle and the second handle.

Description

Tear safety collection device

Technical Field

The utility model belongs to the technical field of ophthalmic clinical detection equipment, and particularly relates to a tear safe collection device.

Background

The lacrimal fluid on the ocular surface contains a large amount of factors and proteins, has close relation with the occurrence, development and molecular mechanism of diseases, and has important significance for diagnosis, differential diagnosis, follow-up visit, curative effect judgment and prognosis of ophthalmic diseases through the detection of disease biomarkers of the lacrimal fluid.

In the existing tear and tear collection device, for example, the tear detection and collection device provided in chinese patent CN211243464U includes a collection box and a collection pipe, the collection pipe includes a capillary silicone tube and a silicone tube head connected with each other, the collection pipe is fixed on the collection box, the liquid inlet end of the capillary silicone tube extends out of the collection box, and the collection pipe is embedded in an embedding groove on the surface of the collection box.

For another example, chinese granted patent CN205785930U provides a tear collector, which comprises a collecting device, a buffering device and an extruding device; the rear end of the collecting device is connected with the front end of the buffering device, and the front end of the extruding device is connected with the rear end of the buffering device; the rear end or the upper end of the extrusion device is provided with a hole-shaped structure.

However, both of the above-mentioned tear collecting devices need to be operated by hand, but since the eyes are very sensitive organs, the eyes may be pricked by slight movement or shaking of the hands when the hands are holding the collector for collection, which may cause discomfort to the patient and even damage to the eyes.

Disclosure of Invention

In order to solve the above problems of the prior art, the present invention provides a tear-liquid safe collecting device, which is realized by the following technical solution.

The tear safe collection device comprises a collection assembly and a support, wherein the collection assembly comprises a capillary collection tube and a glue head, the tail of the capillary collection tube is connected with the glue head, the collection assembly is fixed on the support through a fixing piece, a blocking piece is arranged on any one side of the support, and the head of the capillary collection tube extends out of the support from the upper side of the blocking piece.

The safe tear collecting device is provided with the barrier piece and aims to provide a support for manually sucking tears, and the using method specifically comprises the following steps: after the tear safety collection device is held by hands, the blocking piece is abutted against the lower eyelid of the eyes of the tested person, then the lower tear meniscus close to the eyes is observed, and the tear can be sucked and collected through the capillary effect of the capillary collection tube and the like. If the tip of the capillary collection tube is spaced from the lower tear meniscus, the tear safety collection device can be moved slightly to compress the lower eyelid and shorten the distance to complete tear collection. The securing member is used to secure the capillary collection tube to the holder, for example, the securing member may be in any form such as a collar, clip, strap, etc., so long as the above-described securing is achieved.

Preferably, the bracket comprises a tray and a base, the tray is arranged on the base through a limiting part and reciprocates along the axial direction of the capillary collection tube, the collection assembly is fixed on the tray through a fixing part, and an elastic part is arranged between the side wall of the tray and the side wall of the base. Set the support into tray and base, the tray can make a round trip to slide on the base, and its purpose is after blockking that to support eyelid down, can finely tune the position of capillary collection pipe, makes the tip of capillary collection pipe just can contact the tear of tear crescent moon down, and the mode of this kind of fine setting is more accurate, safer. The tray can slide and be realized through the locating part, and the locating part can be the spout that is located on the base and the draw runner on the tray, makes the tray can be relatively fixed in on the base through the shape of optimizing spout and draw runner simultaneously, can not follow the base slippage. The elastic piece can be an elastic sheet or a spring. Fine adjustment is generally achieved with a common spring blade.

More preferably, the tray is provided with a push plate on a side away from the blocking member. The function of the push plate is to facilitate the movement of pushing the tray by hand operation.

Preferably, a first handle is arranged below the bracket. The first handle also has the function of facilitating single-hand operation, can be held by hands, is adjusted according to the setting position and the shape of the first handle in a specific mode, and then is pressed by a thumb to push the tray to slide for fine adjustment.

More preferably, the first handle is located in the middle below the bracket. The first handle is placed in the middle under the holder, and like the handle of a pistol, is held directly by hand and then the tray is pushed with the thumb.

Preferably, a second handle is provided at an end of the holder remote from the barrier, the second handle protruding towards two sides perpendicular to the axial direction of the capillary collection tube. The second handle is protruded towards the two sides of the bracket, so that the second handle can be conveniently hooked by the forefinger and the ring finger from the lower part, and the tray is pushed by the thumb.

Preferably, the blocking member is configured as a circular arc sheet structure bent towards the glue head. The blocking piece is designed into a circular arc surface which can be conveniently and tightly attached to the lower eyelid.

Preferably, the bracket is provided with a groove, and the capillary collection tube and the glue head are embedded in the groove. The form and structure of the groove are similar to those of the prior granted patent CN 211243464U.

Preferably, the upper surface of the bracket is provided with scale marks along the axial direction of the capillary collection tube. The scale lines facilitate observation of the collected tear fluid volume.

Preferably, the rubber head is filled with hydroxypropyl methyl cellulose gel. Hydroxypropyl methylcellulose gel is a common water-absorbing material that fills the gel head and is able to absorb more tear fluid.

Compared with the prior art, the utility model has the beneficial effects that: the utility model designs the blocking piece to abut against the lower eyelid, thereby avoiding potential damage to eyes caused by hand shaking to the maximum extent; the fine adjustment of the position of the capillary collecting tube is realized by optimizing the support structure and adding the elastic piece, and the tear collecting operation is more convenient by arranging the first handle and the second handle.

Drawings

Fig. 1 is a front view of a tear-liquid collecting device according to embodiment 1;

fig. 2 is a top view of the tear safety collection device of example 1;

fig. 3 is a front view of the tear-liquid collecting device according to embodiment 2;

fig. 4 is a top view of the tear safety collection device of example 2;

fig. 5 is a sectional view taken along the line a-a of the tear safety collection device according to example 2;

fig. 6 is a front view of the tear safety collection device according to embodiment 3;

fig. 7 is a top view of the tear safety collection device according to example 3.

In the figure: 1. a support; 2. a capillary collection tube; 3. gluing heads; 4. a fixing member; 5. a blocking member; 6. scale lines; 7. a tray; 8. a base; 9. a chute; 10. a slide bar; 11. an elastic member; 12. pushing the plate; 13. a first handle; 14. a second handle; 15. hydroxypropyl methylcellulose gel.

Detailed Description

The technical solutions of the embodiments in this patent will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments, not all embodiments, of this patent. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the patent without making creative efforts, shall fall within the protection scope of the patent.

In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "top", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the patent and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the patent. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of this patent, it is noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "communicating" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. It is to be noted that all the figures are exemplary representations. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.

The patent is described in further detail below with reference to specific embodiments and with reference to the attached drawings.

Example 1

As shown in fig. 1 and 2, the tear safe collection device provided in this embodiment includes a collection assembly and a bracket 1, the collection assembly includes a capillary collection tube 2 and a glue head 3, a tail portion of the capillary collection tube 2 is connected with the glue head 3, the collection assembly is fixed on the bracket 1 by a fixing member 4, and the fixing member 4 is a collar-shaped structure; a blocking part 5 is arranged on any side of the bracket 1, the head part of the capillary collecting pipe 2 extends out of the bracket 1 from the upper part of the blocking part 5, and the upper surface of the bracket 1 is provided with scale marks 6 along the axial direction of the capillary collecting pipe 2.

The safe tear collecting device is provided with the barrier piece and aims to provide a support for manually sucking tears, and the using method specifically comprises the following steps: after the tear safety collection device is held by hands, the blocking piece is abutted against the lower eyelid of the eyes of the tested person, then the lower tear meniscus close to the eyes is observed, and the tear can be sucked and collected through the capillary effect of the capillary collection tube and the like. If the tip of the capillary collection tube is spaced from the lower tear meniscus, the tear safety collection device can be moved slightly to compress the lower eyelid and shorten the distance to complete tear collection. The mounting member is used to secure the capillary collection tube to the holder, and this embodiment is configured in the form of a set of rings. The scale lines facilitate observation of the collected tear fluid volume.

Example 2

As shown in fig. 3-5, the tear safe collection device provided in this embodiment includes a collection assembly and a bracket 1, the collection assembly includes a capillary collection tube 2 and a rubber head 3, a tail of the capillary collection tube 2 is connected with the rubber head 3, the collection assembly is fixed on the bracket 1 through a fixing member 4, the fixing member 4 is a collar-shaped structure, a blocking member 5 is disposed on any side of the bracket 1, and the blocking member 5 is configured as an arc-shaped sheet structure bent toward the rubber head 3; the head of the capillary collection tube 2 extends out of the holder 1 above the barrier 5; the bracket 1 comprises a tray 7 and a base 8, the tray 7 reciprocates on the base 8 along the axial direction of the capillary collection tube 2 through a limiting piece, the limiting piece comprises a sliding groove 9 positioned on the base and a sliding strip 10 positioned on the tray, and the cross sections of the sliding strip 10 and the sliding groove 9 are in a trapezoidal structure; an elastic piece 11 is arranged between the side wall of the tray 7 and the side wall of the base 8; a push plate 12 is arranged on one side of the tray 7 far away from the blocking piece 5, a first handle 13 is arranged below the support 1, and the first handle 13 is positioned in the middle of the lower portion of the support 1.

The method of using the apparatus of this example is substantially the same as that of example 1; on the basis of the embodiment 1, the blocking piece is designed into a circular arc surface which can be conveniently and tightly attached to the lower eyelid; set the support into tray and base, the tray can make a round trip to slide on the base, and its purpose is after blockking that to support eyelid down, can finely tune the position of capillary collection pipe, makes the tip of capillary collection pipe just can contact the tear of tear crescent moon down, and the mode of this kind of fine setting is more accurate, safer. The tray can slide and be realized through the locating part, and the locating part can be the spout that is located on the base and the draw runner on the tray, makes the tray can be relatively fixed in on the base through the shape of optimizing spout and draw runner simultaneously, can not follow the base slippage. The elastic piece is designed into an elastic piece, and fine adjustment can be realized. The function of the push plate is to facilitate the movement of pushing the tray by hand operation. The first handle also serves to facilitate single-handed operation by being positioned in the middle of the underside of the holder, and like the handle of a pistol, held directly by hand, and then the tray is pushed with the thumb to slide for fine adjustment.

Example 3

As shown in fig. 6 and 7, the tear safe collection device provided by this embodiment includes a collection assembly and a bracket 1, the collection assembly includes a capillary collection tube 2 and a glue head 3, a tail of the capillary collection tube 2 is connected with the glue head 3, the collection assembly is fixed on the bracket 1 through a fixing member 4, the fixing member 4 is a collar-shaped structure, a blocking member 5 is arranged on any side of the bracket 1, and the blocking member 5 is configured as an arc-shaped sheet structure bent toward the glue head 3; the head of the capillary collection tube 2 extends out of the holder 1 above the barrier 5; the bracket 1 comprises a tray 7 and a base 8, the tray 7 reciprocates on the base 8 along the axial direction of the capillary collection tube 2 through a limiting piece, the limiting piece comprises a sliding groove 9 positioned on the base 8 and a sliding strip 10 positioned on the tray, and the cross sections of the sliding strip 10 and the sliding groove 9 are in a trapezoidal structure; an elastic piece 11 is arranged between the side wall of the tray 7 and the side wall of the base 8; the tray 7 is provided with a push plate 12 at one side far away from the blocking piece 5, one end of the bracket 1 far away from the blocking piece 5 is provided with a second handle 14, the second handle 14 protrudes towards two sides vertical to the axial direction of the capillary collection tube 2, and the rubber head 3 is filled with hydroxypropyl methyl cellulose gel 15.

The use method of the device of the embodiment is basically the same as that of the embodiment 2, except that the second handle is protruded towards two sides of the bracket, so that the second handle is hooked by the index finger and the ring finger from the lower part, and the tray is pushed by the thumb. Hydroxypropyl methylcellulose gel is a common water-absorbing material that fills the gel head and is able to absorb more tear fluid.

The above examples describe the practice of the present invention in detail, however, the present invention is not limited to the specific details in the above embodiments. Within the scope of the claims and the technical idea of the utility model, a number of simple modifications and changes can be made to the technical solution of the utility model, and these simple modifications are within the scope of protection of the utility model.

Claims

1. The tear safe collection device is characterized by comprising a collection assembly and a support, wherein the collection assembly comprises a capillary collection tube and a glue head, the tail part of the capillary collection tube is connected with the glue head, the collection assembly is fixed on the support through a fixing part, a blocking part is arranged on any one side of the support, and the head part of the capillary collection tube extends out of the support from the upper part of the blocking part.

2. The safe collection device for lacrimal fluid according to claim 1, wherein the holder comprises a tray and a base, the tray reciprocates on the base along the axial direction of the capillary collection tube via a stopper, the collection assembly is fixed on the tray via the fixing member, and an elastic member is disposed between the side wall of the tray and the side wall of the base.

3. The tear fluid collecting device according to claim 2 wherein the tray is provided with a push plate on a side remote from the barrier.

4. The tear fluid collecting device of claim 1 wherein a first handle is provided below the holder.

5. The tear safe collection device of claim 4, wherein the first handle is located in the middle of the underside of the holder.

6. The safe collection device for tears of claim 1, wherein the end of the holder remote from the barrier is provided with a second handle projecting toward both sides perpendicular to the axial direction of the capillary collection tube.

7. The device of claim 1, wherein the blocking member is configured as a circular arc-shaped sheet structure bent toward the glue head.

8. The device according to claim 1, wherein the holder is provided with a groove, and the capillary collection tube and the glue head are embedded in the groove.

9. The tear fluid collecting device according to claim 1, wherein the upper surface of said holder is provided with graduations along the axial direction of said capillary collection tube.

10. The device for collecting safe tear fluid according to claim 1, wherein the gel head is filled with hydroxypropyl methylcellulose gel.