CN217471927U

CN217471927U - Double-end punctum caliber

Info

Publication number: CN217471927U
Application number: CN202220848098.6U
Authority: CN
Inventors: 詹晓亮; 刘靖; 刘祖国
Original assignee: Xiamen Xinruize Medical Technology Co ltd
Current assignee: Xiamen Xinruize Medical Technology Co ltd
Priority date: 2022-04-13
Filing date: 2022-04-13
Publication date: 2022-09-23
Anticipated expiration: 2032-04-13

Abstract

The utility model provides a double-end punctum caliber, include: the handheld portion, handheld portion one end threaded connection has first measuring head, and handheld portion other end threaded connection has the second measuring head. An object of the utility model is to provide a measure accurate, convenient to use's a double-end punctum caliber, there is the groove on the measuring head to both ends all have certain camber.

Description

Double-end punctum caliber

Technical Field

The utility model relates to the technical field of medical equipment, in particular to double-end lacrimal point caliber.

Background

With the development of society and science, patients suffering from ophthalmic diseases are more and more, and dry eye disease is the most common and frequent disease in ophthalmology. Dry eye refers to a disorder of eye secretion caused by various factors and mainly manifested as dry eyes, often accompanied by itching, foreign body sensation, burning sensation in eyes, photophobia, blurred vision, and fluctuation of vision. At present, the dry eye is mainly treated by implanting punctal emboli, and before the punctal emboli are implanted, the puncta and the puncta need to be accurately measured so as to provide a basis for selecting the specification and the size of the punctal emboli and further select the proper punctal emboli. The existing lacrimal point measuring instrument has a single structure and function, can only be used for measuring when in use, is difficult to realize expansion, and simultaneously, the length and the size of the measuring instrument are difficult to adjust, thus causing the lacrimal point measuring instrument to be inconvenient to use and low in measuring precision.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model discloses solve among the prior art lacrimal point caliber and use inconvenient, problem that measurement accuracy is low.

Therefore, the technical scheme who adopts is, the utility model provides a double-end punctum caliber, include: the handheld portion, handheld portion one end threaded connection has first measuring head, handheld portion other end threaded connection has the second measuring head.

Preferably, the hand-held part is of a tubular or rod-shaped structure.

Preferably, the measuring portion of the first measuring head is a cone, and the diameter of the cone gradually decreases along the axis toward the end far away from the handheld portion.

Preferably, the measuring part of the second measuring head with form the contained angle between the second measuring head body, the contained angle is greater than 90 degrees, does reverse or syntropy forms the contained angle between the measuring part of the first measuring head and its body.

Preferably, the measuring part of the first measuring head and the measuring part of the second measuring head are respectively provided with a plurality of annular scale marks.

Preferably, the screw thread directions on the inner walls of the two ends of the hand-held part are opposite.

Preferably, the surface of the handheld part is provided with a plurality of anti-skid lines.

Preferably, one end of the first measuring head, which is close to the handheld portion, is provided with a connecting sheet, one end of the second measuring head, which is close to the handheld portion, is provided with a connecting rod, a guide groove extending along the axial direction is formed in the connecting rod, one end of the connecting sheet, which is far away from the first measuring head, extends into the guide groove vertically, and the connecting sheet is connected with the connecting rod in a sliding manner.

Preferably, one end of the connecting piece, which extends into the guide groove, is provided with a limiting plate, and the limiting plate is connected with the inner wall of the guide groove in a sliding manner.

Preferably, the safety device further comprises a safety device, wherein the safety device comprises: a fixed frame, a spring, a limiting rod and a movable rod,

a fixed frame is arranged in the middle of the inner wall of the top end of the handheld part, the fixed frame is positioned above the connecting rod, a pressing head is arranged at the top end of a vertically arranged moving rod, the bottom end of the moving rod sequentially penetrates through the top wall of the handheld part and the top frame of the fixed frame, the bottom end of the moving rod extends into the fixed frame and is connected with a moving block, the moving rod can reciprocate in the fixed frame, the moving block is slidably connected with the fixed frame, the top end of a vertically arranged limiting rod is connected with the bottom end of the moving block, the bottom end of the limiting rod extends out of the fixed frame, the limiting rod can reciprocate in the fixed frame, and a plurality of annular clamping grooves are formed in the circumferential outer wall of the connecting rod at intervals;

the limiting rod is sleeved with a spring, one end of the spring is connected with the movable block, the other end of the spring is connected with the inner wall of the bottom end of the fixed frame, a sliding groove is formed in the movable block, the sliding groove is formed by sequentially connecting two first sliding grooves, two second sliding grooves and two third sliding grooves which are symmetrically arranged respectively, the included angle between the first sliding grooves and the second sliding grooves is larger than 90 degrees, the included angle between the second sliding grooves and the third sliding grooves is smaller than 90 degrees, the connecting rod bottom end of the vertical arrangement is rotatably connected with a frame at the bottom end of the fixed frame, a sliding block is arranged at the top end of the connecting rod, and the sliding block can reciprocate in the sliding groove.

The technical scheme of the invention has the following advantages: the utility model provides a double-end punctum caliber, include: and one end of the handheld part is in threaded connection with a first measuring head, and the other end of the handheld part is in threaded connection with a second measuring head. Because first measuring head and second measuring head threaded connection respectively are in handheld portion, caliber simple structure, convenient operation, measurement accuracy is high, first measuring head and second measuring head can also be used for expanding the punctum when measuring, and the function is various, through rotatory handheld portion for first measuring head is flexible with the second measuring head, and the length and size of caliber adjusts conveniently, and different personnel of being convenient for use.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.

The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a diagram of a prior art object of the present invention;

FIG. 2 is a first schematic structural diagram of the present invention;

FIG. 3 is a second schematic structural view of the present invention;

FIG. 4 is a schematic view of the structure of the measuring part of the present invention;

FIG. 5 is an internal structure view of the present invention;

FIG. 6 is a connection diagram of the connection sheet and the connection rod of the present invention;

FIG. 7 is a schematic view of the safety device of the present invention;

the measuring device comprises a handheld portion, a first measuring head, a second measuring head, a connecting sheet, a connecting rod, a guide groove, a limiting plate, a fixing frame, a spring, a limiting rod, a moving rod, a pressing head, a moving block, a ring-shaped clamping groove, a sliding groove, a first sliding groove, a sliding block and a sliding block, wherein the handheld portion is 1-the first measuring head, the second measuring head is 3-the second measuring head, the connecting sheet is 4-the connecting sheet, the connecting rod is 5-the connecting rod, the guide groove is 6-the limiting plate, the fixing frame is 8-the fixing frame, the spring is 9-the spring, the limiting rod is 10-the moving rod, the sliding block is 12-the sliding groove, the ring-shaped clamping groove, the sliding groove is 15-the sliding groove, the first sliding groove is 151-the second sliding groove, the third sliding groove is 153-the connecting rod, and the sliding block is 17-the sliding block.

Detailed Description

In order to make the technical problems, technical solutions and advantages of the present invention to be solved clearer and more obvious, the following description of the preferred embodiments of the present invention is provided with the accompanying drawings, and it should be understood that the preferred embodiments described herein are only used for illustrating and explaining the present invention, and are not used for limiting the present invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

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 invention, "a plurality" means two or more unless specifically limited otherwise.

An embodiment of the present invention provides a double-headed punctum measurement device, as shown in fig. 1-2, including: the measuring device comprises a handheld portion 1, wherein one end of the handheld portion 1 is in threaded connection with a first measuring head 2, and the other end of the handheld portion 1 is in threaded connection with a second measuring head 3.

The working principle and the beneficial effects of the technical scheme are as follows: when needs are treated the patient, stretch into patient's lacrimal point with first measuring head 2 and second measuring head 3 respectively, measure the lacrimal point, after a patient measures and accomplishes, fix one of them measuring head, hand-held portion 1 of manual rotation, through hand-held portion 1 respectively with the screw drive between first measuring head 2 and the second measuring head 3, make first measuring head 2 stretch out and draw back simultaneously with second measuring head 3, adjust the distance between first measuring head 2 and the second measuring head 3 to suitable degree, then measure next patient. Because first measuring head and second measuring head threaded connection respectively are in handheld portion, caliber simple structure, convenient operation, measurement accuracy is high, first measuring head and second measuring head can also be used for expanding the punctum when measuring, and the function is various, through rotatory handheld portion for first measuring head is flexible with the second measuring head, and the length and size of caliber adjusts conveniently, and different personnel of being convenient for use.

In one embodiment, the handle 1 has a tubular or rod-like structure, which facilitates the holding of the handle 1 and the extension and retraction of the first measuring head 2 and the second measuring head 3.

In one embodiment, the measuring portion of the first measuring head 2 is a cone, and the diameter of the cone gradually decreases along the axis toward the end far away from the handle portion 1, so that the first measuring head 2 can conveniently extend into puncta with different sizes to measure the puncta and can conveniently expand the puncta.

In one embodiment, as shown in fig. 3, an included angle is formed between the measuring portion of the second measuring head 3 and the body of the second measuring head 3, and the included angle is larger than 90 degrees and is formed by the measuring portion of the first measuring head 2 and the body thereof in the opposite direction or the same direction.

The working principle and the beneficial effects of the technical scheme are as follows: the contained angle between the measurement portion of second measuring head 3 and the body of second measuring head 3 is greater than 90 degrees, or is reverse or syntropy between first measuring head 2 and the body and forms the contained angle for patient's eyes are kept away from to handheld portion 1, and the doctor of being convenient for observes and treats, and simultaneously, the measurement portion of second measuring head 3 aims at the punctum easily and measures.

In one embodiment, as shown in fig. 4, the measuring portion of the first measuring head 2 and the measuring portion of the second measuring head 3 are respectively provided with a plurality of annular scale marks, so as to accurately measure the size of the punctum and directly read the data.

In one embodiment, the threads on the inner walls of the two ends of the handle 1 are opposite in direction, so that the first measuring head 2 and the second measuring head 3 extend outwards at the same time or retract inwards at the same time through the thread transmission.

In one embodiment, the surface of the handheld portion 1 is provided with a plurality of anti-slip lines, so that a doctor can conveniently use and hold the handheld portion, and the handheld portion 1 is prevented from slipping and falling off in the using process.

In one embodiment, as shown in fig. 5 to 6, a connecting piece 4 is disposed at an end of the first measuring head 2 close to the handle 1, a connecting rod 5 is disposed at an end of the second measuring head 3 close to the handle 1, a guide slot 6 extending along an axial direction is disposed in the connecting rod 5, an end of the connecting piece 4 far away from the first measuring head 2 extends vertically into the guide slot 6, and the connecting piece 4 is slidably connected to the connecting rod 5.

The working principle and the beneficial effects of the technical scheme are as follows: when the measurer is used, the handheld part 1 can be fixed, one measuring head is manually rotated, the other measuring head is driven to rotate through the connecting sheet 4 and the connecting rod 5, and the first measuring head 2 and the second measuring head 3 are stretched out and drawn back simultaneously through threaded transmission between the measuring heads and the handheld part 1; in the process that the first measuring head 2 and the second measuring head 3 stretch along the handheld portion 1, the connecting piece 4 reciprocates in the guide groove 6 along the connecting rod 5, and the guide groove 6 is used for limiting the moving range of the connecting piece 4 and limiting the stretching range of the first measuring head 2 and the second measuring head 3.

In one embodiment, a limit plate 7 is arranged at one end of the connecting piece 4 extending into the guide groove 6, and the limit plate 7 is slidably connected with the inner wall of the guide groove 6.

The working principle and the beneficial effects of the technical scheme are as follows: the limiting plate 7 is used for limiting the moving range of the connecting sheet 4, and preventing the connecting sheet 4 from falling off from the connecting rod 5, so that the first measuring head 2 and the second measuring head 3 are prevented from being separated from the handheld portion 1 in the stretching process.

In one embodiment, as shown in fig. 7, further comprising a safety device, the safety device comprising: a fixed frame 8, a spring 9, a limit rod 10 and a moving rod 11,

a fixed frame 8 is arranged in the middle of the inner wall of the top end of the handheld portion 1, the fixed frame 8 is located above the connecting rod 5, a pressing head 12 is arranged at the top end of a vertically arranged moving rod 11, the bottom end of the moving rod 11 sequentially penetrates through the top wall of the handheld portion 1 and the top frame of the fixed frame 8, the bottom end of the moving rod 11 extends into the fixed frame 8 and is connected with a moving block 13, the moving rod 11 can reciprocate in the fixed frame 8, the moving block 13 is slidably connected with the fixed frame 8, the top end of a vertically arranged limiting rod 10 is connected with the bottom end of the moving block 13, the bottom end of the limiting rod 10 extends out of the fixed frame 8, the limiting rod 10 can reciprocate in the fixed frame 8, and a plurality of annular clamping grooves 14 are arranged on the circumferential outer wall of the connecting rod 5 at intervals;

the spring 9 is sleeved on the limiting rod 10, one end of the spring 9 is connected with the moving block 13, the other end of the spring 9 is connected with the inner wall of the bottom end of the fixed frame 8, a sliding groove 15 is formed in the moving block 13, the sliding groove 15 is formed by sequentially connecting two first sliding grooves 151, two second sliding grooves 152 and two third sliding grooves 153 which are symmetrically arranged respectively, an included angle between the first sliding groove 151 and the second sliding groove 152 is larger than 90 degrees, an included angle between the second sliding groove 152 and the third sliding groove 153 is smaller than 90 degrees, the bottom end of a vertically arranged connecting rod 16 is rotatably connected with a frame at the bottom end of the fixed frame 8, a sliding block 17 is arranged at the top end of the connecting rod 16, and the sliding block 17 can reciprocate in the sliding groove 15.

The working principle and the beneficial effects of the technical scheme are as follows: when the distance between the two measuring heads is adjusted to a proper length, the pressing head 12 is manually pressed to drive the moving rod 11 to move downwards and drive the moving block 13 to move downwards along the fixed frame 8 and drive the sliding groove 15 to move downwards, so that the sliding block 17 sequentially moves to the joint of the two third sliding grooves 153 along the first sliding groove 151, the second sliding groove 152 and the third sliding groove 153 on one side, the moving block 13 drives the limiting rod 10 to move downwards, so that the spring 9 is compressed, the bottom end of the limiting rod 10 extends downwards into the annular clamping groove 14, the spring 9 is compressed and increases in elasticity, the sliding block 17 is fixed at the joint of the two third sliding grooves 153 and does not move any more, the bottom end of the limiting rod 10 is clamped in the annular clamping groove 14, the first measuring head 2 and the second measuring head 3 cannot move, and the length and the size of the measuring device are not changed, the measuring accuracy of the measurer is improved; meanwhile, the hand-held part 1 is prevented from rotating suddenly due to the influence of external factors, the length of the instrument is prevented from changing, and secondary damage is avoided to the patient.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A dual-headed punctum measuring device comprising: the measuring device comprises a handheld part (1), wherein one end of the handheld part (1) is in threaded connection with a first measuring head (2), and the other end of the handheld part (1) is in threaded connection with a second measuring head (3);

the measuring part of the first measuring head (2) is a cone, and the diameter of the cone is gradually reduced towards one end far away from the handheld part (1) along the axis;

an included angle is formed between the measuring part of the second measuring head (3) and the body of the second measuring head (3), the included angle is larger than 90 degrees, and the included angle is formed between the measuring part of the first measuring head (2) and the body of the first measuring head in the reverse direction or the same direction;

the measuring part of the first measuring head (2) and the measuring part of the second measuring head (3) are respectively provided with a plurality of annular scale marks.

2. A double-ended punctum measurement device according to claim 1, characterized in that the handle (1) is of tubular or rod-like construction.

3. A double-ended punctum measuring device according to claim 1, characterized in that the threads on the inner walls of the two ends of the handle (1) are in opposite directions.

4. A double-ended punctum measuring device according to claim 1, characterized in that the surface of the hand-held part (1) is provided with a plurality of non-slip threads.

5. The double-headed lacrimal punctum measuring device according to claim 1, wherein a connecting piece (4) is disposed at an end of the first measuring head (2) close to the hand-held portion (1), a connecting rod (5) is disposed at an end of the second measuring head (3) close to the hand-held portion (1), a guide groove (6) extending along an axial direction is disposed in the connecting rod (5), an end of the connecting piece (4) far from the first measuring head (2) vertically extends into the guide groove (6), and the connecting piece (4) is slidably connected to the connecting rod (5).

6. The double-headed punctum measuring instrument according to claim 5, characterized in that a limiting plate (7) is arranged at the end of the connecting piece (4) extending into the guide groove (6), and the limiting plate (7) is in sliding connection with the inner wall of the guide groove (6).

7. The double-ended punctum measurement device of claim 5, further comprising a safety device, the safety device comprising: a fixed frame (8), a spring (9), a limiting rod (10) and a moving rod (11),

a fixed frame (8) is arranged in the middle of the inner wall of the top end of the handheld part (1), the fixed frame (8) is positioned above the connecting rod (5), a pressing head (12) is arranged at the top end of a vertically arranged moving rod (11), the bottom end of the moving rod (11) sequentially penetrates through the top wall of the handheld part (1) and the top frame of the fixed frame (8), the bottom end of the moving rod (11) extends into the fixed frame (8) and is connected with a moving block (13), the moving rod (11) can move to and fro in the fixed frame (8), the moving block (13) is connected with the fixed frame (8) in a sliding way, the top end of a limiting rod (10) which is vertically arranged is connected with the bottom end of the moving block (13), the bottom end of the limiting rod (10) extends out of the fixed frame (8), the limiting rod (10) can reciprocate in the fixed frame (8), a plurality of annular clamping grooves (14) are arranged on the circumferential outer wall of the connecting rod (5) at intervals;

a spring (9) is sleeved on the limiting rod (10), one end of the spring (9) is connected with the moving block (13), the other end of the spring (9) is connected with the inner wall of the bottom end of the fixed frame (8), a sliding groove (15) is arranged on the moving block (13), the sliding groove (15) is formed by sequentially connecting two first sliding grooves (151), two second sliding grooves (152) and two third sliding grooves (153) which are respectively and symmetrically arranged, the included angle between the first sliding groove (151) and the second sliding groove (152) is larger than 90 degrees, the included angle between the second sliding chute (152) and the third sliding chute (153) is less than 90 degrees, the bottom end of the vertically arranged connecting rod (16) is rotatably connected with the frame at the bottom end of the fixed frame (8), the top end of the connecting rod (16) is provided with a sliding block (17), and the sliding block (17) can reciprocate in the sliding groove (15).