CN219557238U - Reflector structure for medical examination - Google Patents

Abstract

The utility model discloses a reflector structure for medical examination, which comprises a backing plate and an elastic band, wherein two ends of the elastic band are respectively and fixedly connected with the front end and the rear end of the backing plate, and the reflector structure also comprises: the first angle adjusting mechanism is fixedly connected to the right side wall of the base plate; the reflector switching mechanism is arranged at the front end of the first angle adjusting mechanism; the number of the second angle adjusting mechanisms is two, and the second angle adjusting mechanisms are respectively arranged at the front side and the rear side of the reflector switching mechanism; the first angle adjustment mechanism includes: the box body is fixedly connected to the right side wall of the base plate; the limiting rod is arranged at the center position of the right side of the inner cavity of the box body along the front-back direction, and the outer wall of the limiting rod is rectangular; the brake disc and the first spring are sleeved on the outer wall of the limiting rod from front to back. The light intensity can be adjusted according to the observation requirement, the visual field definition is improved, and when smaller parts are observed, the visual field can be enlarged, so that the visual fatigue of doctors is prevented.

Description

Reflector structure for medical examination

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to a reflector structure for medical examination.

Background

The forehead wearing reflector is a concave reflector instrument capable of focusing light and used for head wearing, is a common auxiliary examination instrument for otorhinolaryngology, and generally consists of a wearing reflector, a universal connection frame and a reflector. The forehead-wearing reflector surface is a concave reflector capable of focusing light, the focal length is about 25cm, and a small hole is formed in the center. The mirror body is connected to the forehead belt by a flexible double ball joint, the light source can reflect to the inspected position through the concave surface, and the small hole in the center of the mirror is used for the inspector to peep. Checking diseases of five sense organs such as ear, nose and throat;

for example, the utility model with the application number of 2022206749907 discloses a reflector structure for otorhinolaryngology examination, and relates to the technical field of medical instruments. The novel plastic rubber belt comprises a binding belt, wherein a fixing piece is fixedly arranged on the front face of the binding belt, a spherical rotating shaft is fixedly arranged on the front face of the fixing piece, a reflecting mirror is fixedly arranged at the bottom of the spherical rotating shaft, and a rubber ring is fixedly arranged on the back face of the reflecting mirror. The sponge layer can buffer the tightening effect of the elastic belt on the head top of medical staff, the wearing effect of the structure is enhanced, and the fixing arrangement of the connecting belt can maintain the stability of the whole structure in order, so that the medical staff can wear the medical staff for a long time. Said utility model is more humanized in wearing mode, but can not regulate light intensity according to observation requirement, its definition is not high, and when the small position is observed, it has no field amplifying function, and can easily produce doctor's visual fatigue.

Disclosure of Invention

The utility model provides a reflector structure for medical examination, which aims to solve the problems that the current light intensity cannot be adjusted and the local amplification of the body of a patient cannot be realized.

The utility model is realized in such a way that the reflector structure for medical examination comprises a backing plate and an elastic band, wherein two ends of the elastic band are respectively and fixedly connected with the front end and the rear end of the backing plate, and the reflector structure further comprises: the first angle adjusting mechanism is fixedly connected to the right side wall of the base plate; the reflector switching mechanism is arranged at the front end of the first angle adjusting mechanism; the number of the second angle adjusting mechanisms is two, and the second angle adjusting mechanisms are respectively arranged at the front side and the rear side of the reflector switching mechanism;

aim at adjusts the angle of putting of first reflector and second reflector, makes reflection of light position be convenient for doctor observe, first angle adjustment mechanism includes: the box body is fixedly connected to the right side wall of the base plate; the limiting rod is arranged at the center position of the right side of the inner cavity of the box body along the front-back direction, and the outer wall of the limiting rod is rectangular; the brake disc and the first spring are sleeved on the outer wall of the limiting rod from front to back; the number of the convex ribs is a plurality of, and the convex ribs are equidistantly arranged on the front side of the brake disc along the circumferential direction; the first rotating shaft is rotatably arranged at the center of the front side of the box body through a bearing; the first rotary table is arranged at the rear end of the first rotary shaft, the first rotary table is located in the inner cavity of the box body, the braking grooves are formed in the rear side wall of the first rotary table at equal intervals along the circumferential direction, and the convex edges are spliced in the inner cavity of the braking grooves to brake the first rotary table.

Further, the outer wall of the convex rib and the inner cavity of the braking groove are triangular.

Still further, an object is to realize switching use of the first mirror and the second mirror, and to provide a plurality of reflection modes, the mirror switching mechanism including: the support column is arranged at the front end of the outer wall of the first rotating shaft, and a limit groove is formed in the bottom end of the right side wall of the support column; the second spring and the clamping ball are inserted into the inner cavity of the limiting groove from inside to outside; the swing rod is connected to the middle part of the right side wall of the support column through a pin shaft, clamping grooves are formed in the upper end and the lower end of the left side wall of the swing rod, and clamping balls are inserted into the clamping grooves to position the swing rod under the action of the second spring; the first reflecting mirror is arranged at the bottom end of the supporting column and is conical; the second reflecting mirror is arranged at the bottom end of the swing rod.

Furthermore, the maximum length of the clamping ball extending out of the inner cavity of the limiting groove is smaller than the radius of the clamping ball.

Still further, it is an object to adjust the position of the magnifying glass to enable a physician to view local tissue of a patient using the magnifying glass, the second angle adjusting mechanism comprising: the support seat is arranged on the outer wall of the first reflecting mirror; the second turntable can rotate around the axis of the second turntable and is inserted into the inner cavity of the supporting seat; the friction blocks are in a plurality, and are equidistantly spliced on the outer wall of the second turntable along the circumferential direction; the disc spring is arranged in the inner cavity of the second rotary table, and the edge of the disc spring is clamped with the inner side of the friction block; the second rotating shaft is spliced at the center position of the right side wall of the supporting seat, and the left end of the second rotating shaft is connected with the right end of the second rotary table; one end of the connecting rod is arranged at the right end of the outer wall of the second rotating shaft; the damping pause rotating shaft is arranged at the other end of the connecting rod; and the magnifying glass is arranged at the outer side of the damping pause rotating shaft.

Further, the friction block is contacted with the inner wall of the supporting seat under the elastic action of the disc spring to brake the second turntable.

The utility model has the following beneficial effects:

the second spring elasticity provides an impetus for the brake disc to move towards the front side, when the first rotary disc rotates, the convex edges can be inserted into the brake grooves at corresponding positions to brake the first rotary disc, so that the angle adjustment of the first reflective mirror and the second reflective mirror is achieved, the light intensity can be adjusted according to the observation requirement, and the visual field definition is improved;

the friction block is driven to move outwards and tightly press the inner wall of the supporting seat through the elasticity of the disc spring, so that random braking of the second turntable is achieved, the magnifying glass is fixed after driving the connecting rod to swing, the magnifying glass is adjusted in height, the angle change of the magnifying glass is realized under the action of the damping pause rotating shaft, the magnifying glass reaches the using position, and when the smaller part is observed, visual field amplification can be realized, and visual fatigue of doctors is prevented.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a right side cross-sectional view of the first angle adjustment mechanism;

FIG. 3 is a front view of the brake disc;

FIG. 4 is a front cross-sectional view of the mirror switching mechanism;

FIG. 5 is a schematic view of a second angle adjusting mechanism;

fig. 6 is a front sectional view of the second angle adjusting mechanism.

In the figure: 1. a backing plate; 2. an elastic band; 3. a first angle adjustment mechanism; 4. a mirror switching mechanism; 5. a second angle adjustment mechanism; 31. a case body; 32. a limit rod; 33. a brake disc; 34. a first spring; 35. a rib; 36. a first rotating shaft; 37. a first turntable; 38. a brake groove; 41. a support column; 42. a limit groove; 43. a second spring; 44. ball clamping; 45. swing rod; 46. a clamping groove; 47. a first mirror; 48. a second mirror; 51. a support base; 52. a second turntable; 53. a friction block; 54. a disc spring; 55. a second rotating shaft; 56. a connecting rod; 57. damping and stopping the rotating shaft; 58. a magnifying glass.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1 to 6, the utility model relates to a mirror structure for medical examination, which comprises a base plate 1 and an elastic band 2, wherein two ends of the elastic band 2 are respectively fixedly connected with the front end and the rear end of the base plate 1 and sleeved on the head of a doctor, so that the base plate 1 can be fixed on the forehead of the doctor, and the mirror structure also comprises a first angle adjusting mechanism 3, a mirror switching mechanism 4 and a second angle adjusting mechanism 5, wherein the first angle adjusting mechanism 3 is fixedly connected with the right side wall of the base plate 1; the mirror switching mechanism 4 is installed at the front end of the first angle adjusting mechanism 3; the number of the second angle adjusting mechanisms 5 is two, and the second angle adjusting mechanisms 5 are respectively arranged at the front side and the rear side of the reflector switching mechanism 4;

the first angle adjusting mechanism 3 comprises a box body 31, a limiting rod 32, a brake disc 33, a first spring 34, a convex rib 35, a first rotating shaft 36, a first rotating disc 37 and a brake groove 38, wherein the box body 31 is fixedly connected to the right side wall of the backing plate 1; the limiting rod 32 is arranged at the center position of the right side of the inner cavity of the box body 31 along the front-back direction, the outer wall of the limiting rod 32 is rectangular, and is used for limiting the brake disc 33 and preventing the brake disc 33 from rotating; the brake disc 33 and the first spring 34 are sleeved on the outer wall of the limiting rod 32 from front to back, and the elastic force of the first spring 34 is utilized to provide a forward moving pushing force for the brake disc 33; the number of the convex edges 35 is a plurality, and the convex edges are equidistantly arranged on the front side of the brake disc 33 along the circumferential direction; the first rotating shaft 36 is rotatably installed at a front center position of the case 31 through a bearing; the first rotating disc 37 is arranged at the rear end of the first rotating shaft 36, the first rotating disc 37 is positioned in the inner cavity of the box body 31, braking grooves 38 are formed in the rear side wall of the first rotating disc 37 at equal intervals along the circumferential direction, the convex edges 35 are inserted into the inner cavity of the braking grooves 38 to brake the first rotating disc 37, and after the first rotating disc 37 rotates, the braking grooves 38 and the convex edges 35 are in various angle matching modes through the matching of the braking grooves 38 and the convex edges 35;

the elastic band 2 is sleeved on the head, the backing plate 1 is fixed on the forehead, the second reflective mirror 48 is rotated, the first rotary shaft 36 can drive the first rotary disc 37 to rotate, the braking groove 38 on the first rotary disc 37 obliquely extrudes the convex edge 35, the convex edge 35 can drive the braking disc 33 to move backwards along the outer wall of the limiting rod 32 until the second reflective mirror 48 is adjusted to a required angle, the first rotary disc 37 stops rotating, the first spring 34 pushes the braking disc 33 to move forwards under the action of self elastic force, the convex edge 35 is inserted into the braking groove 38 to brake the first rotary disc 37, the positioning of the second reflective mirror 48 is completed, light is reflected to a part to be detected through the second reflective mirror 48, and physical examination of a patient is carried out.

Specifically, the outer wall of the convex rib 35 and the inner cavity of the braking groove 38 are both triangular, and when the first turntable 37 rotates, the braking groove 38 obliquely extrudes the inclined surface of the convex rib 35, so that the braking disc 33 automatically moves to the rear side.

Specifically, the mirror switching mechanism 4 includes a support column 41, a limit groove 42, a second spring 43, a clamping ball 44, a swing rod 45, a clamping groove 46, a first mirror 47 and a second mirror 48, the support column 41 is mounted at the front end of the outer wall of the first rotating shaft 36, and the limit groove 42 is formed at the bottom end of the right side wall of the support column 41; the second spring 43 and the clamping ball 44 are inserted into the inner cavity of the limiting groove 42 from inside to outside, and the clamping ball 44 can stably stay in the clamping groove 46 under the action of the elasticity of the second spring 43; the swing rod 45 is connected to the middle part of the right side wall of the support column 41 through a pin shaft, clamping grooves 46 are formed in the upper end and the lower end of the left side wall of the swing rod 45, and under the action of the second spring 43, the clamping balls 44 are inserted into the clamping grooves 46 to position the swing rod 45; the first reflective mirror 47 is arranged at the bottom end of the supporting column 41, and the first reflective mirror 47 is conical, has a light condensing effect and can improve illumination intensity; the second reflecting mirror 48 is arranged at the bottom end of the swing rod 45;

when the first reflector 47 is required to be used, the second reflector 48 is rotated to drive the swing rod 45 to rotate 180 degrees, the second reflector 48 is far away from the first reflector 47, the second spring 43 enables the clamping ball 44 to be inserted into the other clamping groove 46 under the action of self elasticity, and the second reflector 47 is fixed, so that the first reflector 47 can be used for reflecting light.

Specifically, the maximum length of the clamping ball 44 extending out of the inner cavity of the limiting groove 42 is smaller than the radius of the clamping ball, and when the swing rod 45 is far away from the clamping ball 44, the clamping ball 44 is prevented from being ejected out of the limiting groove 42 under the action of the elastic force of the second spring 43.

Specifically, the second angle adjusting mechanism 5 includes a support seat 51, a second turntable 52, a friction block 53, a disc spring 54, a second rotating shaft 55, a connecting rod 56, a damping pause rotating shaft 57 and a magnifier 58, and the support seat 51 is mounted on the outer wall of the first reflective mirror 47; the second turntable 52 can rotate around the axis of the second turntable and is inserted into the inner cavity of the supporting seat 51; the number of the friction blocks 53 is a plurality of, the friction blocks 53 are equidistantly inserted into the outer wall of the second rotary table 52 along the circumferential direction, and the number of the friction blocks 53 is at least three, so that braking force can be provided for the second rotary table 52 from a plurality of directions; the disc spring 54 is installed in the inner cavity of the second rotary table 52, the edge of the disc spring 54 is clamped with the inner sides of the friction blocks 54, and the disc spring 54 simultaneously provides driving force for outward movement for the plurality of friction blocks 53 under the action of self elasticity; the second rotating shaft 55 is inserted in the center position of the right side wall of the supporting seat 51, and the left end of the second rotating shaft 55 is connected with the right end of the second rotary table 52; one end of the connecting rod 56 is arranged at the right end of the outer wall of the second rotating shaft 55; the damping pause rotating shaft 57 is arranged at the other end of the connecting rod 56; the magnifier 58 is arranged outside the damping pause rotating shaft 57;

when the inspected part is required to be enlarged, the magnifier 58 is moved up and down, the connecting rod 56 is driven to drive the second rotary table 52 on the second rotary shaft 55 to rotate, the disc spring 54 is used for enabling the friction block 53 to move outwards by elasticity, friction force between the friction block 53 and the inner wall of the supporting seat 51 is increased, when the magnifier 58 stops moving, the second rotary shaft 55 is braked by friction force between the friction block 53 and the inner wall of the supporting seat 51, the magnifier 58 stays at the current position, the magnifier 58 is positioned right in front of a doctor's visual field, the magnifier 58 can be adjusted to rotate and be fixed under the action of the damping pause rotary shaft 57, the using position of the magnifier 58 is clarified, and the visual field enters the eyes of the doctor after being amplified by the magnifier 58, so that the purpose of local enlargement of body tissues of a patient is achieved.

Specifically, under the elastic action of the disc spring 54, the friction block 53 contacts with the inner wall of the supporting seat 51 to brake the second rotary disc 52, so that the friction force between the friction block 53 and the inner wall of the supporting seat 51 is improved, and the effective braking of the second rotary shaft 55 is realized.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (6)

1. The utility model provides a mirror structure for medical examination, includes backing plate (1) and elastic cord (2), the both ends of elastic cord (2) are fixed connection respectively at the front and back both ends of backing plate (1), its characterized in that still includes:

the first angle adjusting mechanism (3) is fixedly connected to the right side wall of the base plate (1);

a mirror switching mechanism (4) mounted at the front end of the first angle adjusting mechanism (3);

the number of the second angle adjusting mechanisms (5) is two, and the second angle adjusting mechanisms are respectively arranged at the front side and the rear side of the reflector switching mechanism (4);

the first angle adjustment mechanism (3) includes:

the box body (31) is fixedly connected to the right side wall of the base plate (1);

the limiting rod (32) is arranged at the center position of the right side of the inner cavity of the box body (31) along the front-back direction, and the outer wall of the limiting rod (32) is rectangular;

the brake disc (33) and the first spring (34) are sleeved on the outer wall of the limiting rod (32) from front to back;

the number of the convex ribs (35) is a plurality, and the convex ribs are equidistantly arranged on the front side of the brake disc (33) along the circumferential direction;

a first rotating shaft (36) rotatably mounted on the front center of the case (31) through a bearing;

the first rotating disc (37) is arranged at the rear end of the first rotating shaft (36), the first rotating disc (37) is located in the inner cavity of the box body (31), braking grooves (38) are formed in the rear side wall of the first rotating disc (37) at equal intervals along the circumferential direction, and the protruding edges (35) are inserted into the inner cavity of the braking grooves (38) to brake the first rotating disc (37).

2. A mirror structure for medical examination according to claim 1, characterized in that the outer wall of the rib (35) and the inner cavity of the brake groove (38) are both triangular.

3. A mirror structure for medical examination according to claim 1, wherein the mirror switching mechanism (4) includes:

the support column (41) is arranged at the front end of the outer wall of the first rotating shaft (36), and a limit groove (42) is formed in the bottom end of the right side wall of the support column (41);

the second spring (43) and the clamping ball (44) are inserted into the inner cavity of the limiting groove (42) from inside to outside;

the swing rod (45) is connected to the middle part of the right side wall of the supporting column (41) through a pin shaft, clamping grooves (46) are formed in the upper end and the lower end of the left side wall of the swing rod (45), and under the action of the second spring (43), the clamping balls (44) are inserted into the clamping grooves (46) to position the swing rod (45);

the first reflecting mirror (47) is arranged at the bottom end of the supporting column (41), and the first reflecting mirror (47) is conical;

the second reflecting mirror (48) is arranged at the bottom end of the swing rod (45).

4. A mirror structure for medical examination according to claim 3, characterized in that the maximum length of the clamping ball (44) extending out of the cavity of the limit groove (42) is smaller than the radius thereof.

5. A mirror structure for medical examination according to claim 4, characterized in that the second angle adjusting mechanism (5) comprises:

a support seat (51) mounted on the outer wall of the first reflector (47);

the second rotary table (52) can be inserted into the inner cavity of the supporting seat (51) in a rotary way around the axis of the second rotary table;

the friction blocks (53) are in a plurality, and are inserted into the outer wall of the second rotary table (52) at equal intervals along the circumferential direction;

the disc spring (54) is arranged in the inner cavity of the second rotary table (52), and the edge of the disc spring (54) is clamped with the inner side of the friction block (53);

the second rotating shaft (55) is inserted in the center position of the right side wall of the supporting seat (51), and the left end of the second rotating shaft (55) is connected with the right end of the second rotary table (52);

one end of the connecting rod (56) is arranged at the right end of the outer wall of the second rotating shaft (55);

a damping pause rotating shaft (57) mounted at the other end of the connecting rod (56);

and a magnifying glass (58) arranged outside the damping pause rotating shaft (57).

6. The mirror structure for medical examination according to claim 5, wherein the friction block (53) contacts the inner wall of the support base (51) by the elastic action of the disc spring (54) to brake the second turntable (52).