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CN-121987137-A - Fixation lamp and head stabilizing device for ophthalmic OCT

CN121987137ACN 121987137 ACN121987137 ACN 121987137ACN-121987137-A

Abstract

The invention relates to the technical field of medical instruments and discloses a fixation lamp and head stabilizing device for ophthalmic OCT, which comprises a base, wherein a supporting seat is fixedly arranged on the front side of the base, a shell is fixedly arranged on the top of the base, a detector is movably arranged on the inner side of the shell, a fixation lamp main body positioned on the rear side of the detector is movably arranged on the inner side of the shell, a fixing mechanism is arranged on the top of the supporting seat, an adjusting mechanism extending to the bottom of the fixing mechanism is arranged on the top of the fixing mechanism, a supporting mechanism extending to the top of the adjusting mechanism is arranged on the inner side of the adjusting mechanism, a frame extending to the top of the fixing mechanism is arranged between the front side and the rear side of the fixing mechanism, and the fixation lamp and head stabilizing device for ophthalmic OCT are conveniently adjusted by arranging the fixing mechanism, the adjusting mechanism, the fixing mechanism, the positioning mechanism and the fixing mechanism.

Inventors

  • CHEN BINGYAN
  • NIE BING
  • LI LU
  • TANG WEIHUA
  • ZHANG SHAN

Assignees

  • 中国人民解放军总医院第三医学中心

Dates

Publication Date
20260508
Application Date
20260314

Claims (10)

  1. 1. The head stabilizing device for the ophthalmology OCT comprises a base (1), wherein a supporting seat (2) is fixedly arranged on the front side of the base (1), a shell (3) is fixedly arranged on the top of the base (1), a detector (10) is movably arranged on the inner side of the shell (3), a fixation lamp main body (11) positioned on the rear side of the detector (10) is movably arranged on the inner side of the shell (3), and the head stabilizing device is characterized in that a fixing mechanism (4) is arranged on the top of the supporting seat (2), an adjusting mechanism (5) extending to the bottom of the fixing mechanism (4) is arranged on the top of the fixing mechanism (4), a supporting mechanism (6) extending to the top of the fixing mechanism is arranged on the inner side of the adjusting mechanism (5), a frame body (7) extending to the top of the fixing mechanism is arranged between the front side and the rear side of the fixing mechanism (4), a positioning mechanism (8) is arranged on the front side of the frame body (7), and a fixing mechanism (9) extending to the front side of the frame body is arranged on the rear side of the frame body (7); The fixing mechanism (4) comprises a mounting seat (41), the top of the supporting seat (2) is fixedly provided with the mounting seat (41), two ends of the frame body (7) are respectively and fixedly arranged on the front side and the rear side of the mounting seat (41), and the top of the mounting seat (41) is provided with a mounting groove (42).
  2. 2. A head stabilization device for ophthalmic OCT according to claim 1, characterized in that the adjusting mechanism (5) comprises a limit frame (501), the inner bottom wall of the mounting groove (42) is fixedly provided with two limit frames (501), the inner side of the limit frame (501) is slidably provided with two vertical plates (502) extending to the top and bottom of the mounting groove (41), a supporting plate (503) above the mounting groove (41) is fixedly provided between the tops of the two vertical plates (502), the bottom of the supporting plate (503) is fixedly provided with a return spring (504) fixedly connected with the inner bottom wall of the mounting groove (42), the opposite sides of the two vertical plates (502) are fixedly provided with connecting blocks (505) extending to the outer side of the limit frame (501), the opposite sides of the two connecting blocks (505) are fixedly provided with wedge blocks (506), the bottom of the two supporting plates (507) extending to the inner side of the mounting groove (42) and slidably connected with the mounting groove (41), the bottom of the motor (508) is fixedly provided with a return spring (504) fixedly connected with the inner bottom of the inner side of the mounting groove (42), the supporting plate (508) is fixedly provided with a wedge block (506) extending to the inner side of the mounting groove (41), the output shaft of the servo motor (509) is fixedly provided with a bidirectional threaded rod (510) which is rotationally connected with the left side of the inner wall of the mounting cavity (508), the outer side of the bidirectional threaded rod (510) is in threaded connection with two threaded blocks (511), the front side of the threaded block (511) is fixedly provided with a connecting rod (512) which extends to the inner side of the mounting groove (42), the front side of the connecting rod (512) is fixedly provided with a cylinder (513) which is in sliding connection with the bottom of the wedge-shaped block (506), the inner side of the supporting plate (503) is provided with two rectangular holes (514), the inner bottom wall of the rectangular holes (514) is fixedly provided with two connecting springs (515), the top of the connecting springs (515) is fixedly provided with a lifting plate (516) which is in sliding connection with the inner side of the rectangular holes (514), the bottom of the lifting plate (516) is fixedly provided with a triangular block (517), the top of the lifting plate (516) is fixedly provided with a clamping block (518) which extends to the inner side of the wedge-shaped block (503), the inner side of the supporting plate (503) is provided with a rectangular cavity (519), the inner side of the rectangular cavity (514) is provided with two transverse plates (520), one end fixed mounting of diaphragm (521) has arc (522) with triangle piece (517) top sliding connection, the inner wall front side of rectangle chamber (519) rotates and is connected with and extends to backing plate (503) rear side and lie in bull stick (523) between two push plates (520), the rear side fixed mounting of bull stick (523) has knob (524), the outside fixed mounting of bull stick (523) has oval wheel (525) between two push plates (520).
  3. 3. The head stabilization device for ophthalmic OCT according to claim 2, wherein the supporting mechanism (6) comprises a bracket (61), the bracket (61) is movably mounted on the top of the supporting plate (503), right and left sides of the bracket (61) are fixedly provided with right angle plates (62) extending to the inner side of the supporting plate (503), one end of the clamping block (518) is clamped with the right angle plates (62), and the top of the bracket (61) is fixedly provided with a barrier strip (63).
  4. 4. A head stabilization device for ophthalmic OCT according to claim 1, wherein the positioning mechanism (8) comprises a mounting frame (81), a mounting frame (81) is fixedly mounted at one end of the top of the front side of the frame body (7), a U-shaped plate (82) extending to the outer side of the mounting frame (81) is movably mounted at the top of the mounting frame (81), a positioning plate (83) is fixedly mounted at the front side of the U-shaped plate (82), two mounting hole bodies (84) are arranged at the inner side of the mounting frame (81), a vertical plate (85) extending to the top of the mounting frame (81) is slidably mounted in the inner side of the mounting hole bodies (84), a limiting block (86) attached to the top of the U-shaped plate (82) is fixedly mounted at one side of the vertical plate (85), a U-shaped rod (87) extending to the outer side of the mounting frame (81) is fixedly mounted at one side of the vertical plate (85), a fixing spring (88) fixedly connected with the inner wall of the mounting hole bodies (84), and two limiting blocks (85) penetrate through the left side and right side of the mounting hole bodies (84) are fixedly mounted at two vertical plates (89).
  5. 5. A head stabilization device for ophthalmic OCT according to claim 1, characterized in that the fixing mechanism (9) comprises an outer frame (91), the outer frame (91) is fixedly mounted on the rear side of the frame (7), two laths (92) extending to the rear side of the outer frame (91) are fixedly mounted on the front side of the frame (7), an arc plate (93) extending to the front side of the two laths (92) is fixedly mounted between the opposite sides of the laths (92), two clamping plates (94) are movably mounted on the top of the arc plate (93), a base plate (95) is fixedly mounted between the rear sides of the two clamping plates (94), an anti-slip block (96) attached to the arc plate (93) is fixedly mounted on one side of the base plate (95), sleeves (97) positioned on the rear side of the outer frame (91) are fixedly mounted on the outer sides of the two laths (92), a connecting plate (98) is fixedly mounted between the two sleeves (97), an electric push rod (99) is fixedly mounted on the front side of the inner wall of the outer frame (91), and the electric push rod (99) is fixedly connected to the output end of the outer frame (91).
  6. 6. The head stabilizing device for ophthalmic OCT according to claim 5, wherein the inner side of the frame body (7) is provided with a limiting hole matched with the slat (92), the front side and the rear side of the inner wall of the outer frame (91) are provided with a relation hole matched with the slat (92), the rear side of the inner wall of the outer frame (91) is provided with a through hole matched with the electric push rod (99), and the rear side of the soft cushion (95) is of a soft design.
  7. 7. The head stabilizing device for ophthalmic OCT according to claim 4, wherein the top of the limiting block (86) is of an inclined design, the mounting frame (81) is of a U-shaped design, round holes matched with the U-shaped rods (87) are formed in the left side and the right side of the mounting frame (81), the round holes are communicated with the inner wall of the mounting hole body (84), strip holes communicated with the inner top wall of the mounting hole body (84) are formed in the top of the mounting frame (81), the size of the strip holes is matched with the moving track of the vertical plate (85), and a protective pad is arranged on the front side of the positioning plate (83).
  8. 8. The head stabilizing device for ophthalmic OCT according to claim 2, wherein the inner side of the limiting frame (501) is provided with a cavity matched with the vertical plate (502), the left side and the right side of the inner wall of the limiting frame (501) are provided with strip-shaped hole bodies, the size of each strip-shaped hole body is matched with the moving track of the connecting block (505), the inner side of the mounting seat (41) is provided with a sliding groove communicated with the inner wall of the mounting groove (42), the size of each sliding groove is matched with the supporting plate (507), the inner bottom wall of the mounting seat (41) is provided with a through hole matched with the vertical plate (502), and the bottom of the wedge-shaped block (506) is of an inclined design.
  9. 9. The head stabilizing device for ophthalmic OCT according to claim 2, wherein two sections of threads with equal length and opposite directions are arranged on the outer side of the bidirectional threaded rod (510), a limiting strip hole communicated with the inner wall of the mounting cavity (508) and the inner wall of the mounting groove (42) is formed in the inner side of the mounting seat (41), the size of the limiting strip hole is matched with the moving track of the connecting rod (512), the top of the triangular block (517) is of an inclined design, fixing grooves matched with the rectangular plate (62) are formed in the left side and the right side of the supporting plate (503), and a clamping hole matched with the clamping block (518) is formed in the inner side of the rectangular plate (62).
  10. 10. A fixation lamp for ophthalmic OCT, comprising a head stabilization device for ophthalmic OCT according to any one of claims 1 to 9.

Description

Fixation lamp and head stabilizing device for ophthalmic OCT Technical Field The invention relates to the technical field of medical instruments, in particular to a fixation lamp and a head stabilizing device for ophthalmic OCT. Background The utility model discloses an ophthalmic OCT (optical coherence tomography) is a non-invasive ophthalmic imaging examination method, a fixation lamp and a head stabilizing device ensure that a patient keeps head stable and eyeball fixed in the examination process, so that a high-quality retina or anterior ocular segment tomographic image is obtained, and the eye-related head fixing device comprises an eye detector and a supporting seat positioned at one side of the eye detector, and the utility model overcomes the defects of the prior art, can fix the head of the patient when the patient performs eye detection, and can fix patients with different head circumferences, and the prior art scheme has the following defects: the height between forehead support and chin support is fixed design, and the fixed dimension of head is fixed structure, can not carry out corresponding regulation according to the demand, leads to the device practicality relatively poor, and bearing structure can't dismantle, and long-time use is easy adhesion sweat or spot can not change, influences the use, so proposes a fixation lamp and head stabilising arrangement for ophthalmology OCT and solves the above-mentioned problem that proposes. Disclosure of Invention (One) solving the technical problems Aiming at the defects of the prior art, the invention provides a fixation lamp and a head stabilizing device for ophthalmic OCT, which have the advantages of convenient adjustment and detachable replacement, and solve the problems in the prior art. (II) technical scheme The head stabilizing device for the ophthalmology OCT comprises a base, wherein a supporting seat is fixedly arranged on the front side of the base, a shell is fixedly arranged on the top of the base, a detector is movably arranged on the inner side of the shell, a fixation lamp main body positioned on the rear side of the detector is movably arranged on the inner side of the shell, a fixing mechanism is arranged on the top of the supporting seat, an adjusting mechanism extending to the bottom of the fixing mechanism is arranged on the top of the fixing mechanism, a supporting mechanism extending to the top of the adjusting mechanism is arranged on the inner side of the adjusting mechanism, a frame body extending to the top of the fixing mechanism is arranged between the front side and the rear side of the fixing mechanism, a positioning mechanism is arranged on the front side of the frame body, and a fixing mechanism extending to the front side of the frame body is arranged on the rear side of the frame body; The fixing mechanism comprises a mounting seat, the top of the supporting seat is fixedly provided with the mounting seat, two ends of the frame body are respectively and fixedly arranged on the front side and the rear side of the mounting seat, and the top of the mounting seat is provided with a mounting groove. Preferably, the adjusting mechanism comprises a limiting frame, two limiting frames are fixedly arranged on the inner bottom wall of the mounting groove, vertical plates extending to the top and the bottom of the mounting seat are slidably arranged in the inner sides of the limiting frames, a supporting plate positioned above the mounting seat is fixedly arranged between the tops of the two vertical plates, a reset spring fixedly connected with the inner bottom wall of the mounting seat is fixedly arranged at the bottom of the supporting plate, connecting blocks extending to the outer side of the limiting frames are fixedly arranged on the opposite sides of the two vertical plates, wedge-shaped blocks are fixedly arranged on the opposite sides of the two connecting blocks, supporting plates extending to the inner side of the mounting groove and in sliding connection with the mounting seat are fixedly arranged at the bottom of the supporting plate, a mounting cavity positioned at the rear side of the mounting groove is formed in the inner side of the mounting seat, a servo motor is fixedly arranged on the right side of the inner wall of the mounting cavity, the output shaft of the servo motor is fixedly provided with a bidirectional threaded rod which is rotationally connected with the left side of the inner wall of the mounting cavity, the outer side of the bidirectional threaded rod is in threaded connection with two threaded blocks, the front side of the threaded block is fixedly provided with a connecting rod which extends to the inner side of the mounting groove, the front side of the connecting rod is fixedly provided with a cylinder which is in sliding connection with the bottom of the wedge-shaped block, the inner side of the supporting plate is provided with two rectangular holes, the inner bottom wall of the rectangu