CN215191441U

CN215191441U - Ophthalmic surgery OCT microscopic equipment

Info

Publication number: CN215191441U
Application number: CN202120126221.9U
Authority: CN
Inventors: 戴肇星; 宋小乐; 景飞榕; 周宏明
Original assignee: Zhejiang Aishibo Medical Technology Co ltd
Current assignee: Zhejiang Aishibo Medical Technology Co ltd
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-12-17
Anticipated expiration: 2031-01-18

Abstract

The utility model belongs to the technical field of medical instrument, especially, relate to a micro-equipment of ophthalmic surgery OCT. The utility model discloses a box unit of erection equipment sets up eyelid spreader unit in the box unit, and set up OCT unit in the box unit is accomplished the collection to the high resolution volume image of internal structure microstructures such as patient's eye cornea and retina, wherein eyelid spreader unit effect is in when the OCT unit is examined patient's eye for fixed patient's upper and lower eyelid avoids the inaccurate problem of measurement that the patient winks the in-process and leads to. The utility model has the advantages of simple structure, convenient operation, and the design of crotch department of eyelid spreader has the soft head of arc, can protect patient's eyelid.

Description

Ophthalmic surgery OCT microscopic equipment

Technical Field

The utility model belongs to the technical field of medical instrument, especially, relate to a micro-equipment of ophthalmic surgery OCT.

Background

OCT microscopy refers to a microscope that extracts information and generates cross-sectional images by superimposing light waves using interferometry, and OCT stands for optical coherence tomography, where OCT systems generate high-resolution volumetric images of internal tissue microstructures such as the cornea and retina using low-power near-infrared light in ophthalmic surgery. However, during the scanning process, the eyes of the patient need to be aligned with the microscope lens for a long time, discomfort and wink easily occur, and the measurement result is greatly influenced, so that the OCT microscope device which can help the patient fix the eyelids at the same time is urgently needed in the market.

Chinese utility model patent with patent publication No. CN209707803U and publication No. 2019.03.27 discloses an ophthalmologic operation OCT microscope system, and particularly relates to an ophthalmologic operation OCT microscope system. The OCT optical microscope system comprises a semitransparent mirror, an OCT system, an optical lens and a displacement image sensor, wherein the semitransparent mirror, the OCT system, the optical lens and the displacement image sensor form an angle of 45 degrees with the axis of an optical lens assembly; the optical lens assembly collects surface intraoperative condition images, the surface intraoperative condition images are incident through the semitransparent reflector, and color image data are generated through processing of the displacement image sensor; the OCT system generates an OCT image for tomography of the human fundus; the semi-transparent reflector is arranged to enable the OCT signal light source to be coaxial with the optical lens assembly, the OCT image light path and the color image light path are partially overlapped, the light path in the optical microscope body is simpler, errors caused by light path switching loss and loop process deviation are reduced, and the precision is higher.

However, the lack of a related device in this invention helps to fix the patient's eyelid, which is inconvenient for the physician to perform in practice.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a microscopical equipment of ophthalmic surgery OCT, its box unit that can pass through the erection equipment sets up eyelid spreader unit in the box unit, and set up OCT unit in the box unit is accomplished the collection to the high resolution volume image of internal tissue microstructures such as patient's eye cornea and retina, wherein eyelid spreader unit effect is in when OCT unit is examined patient's eye for fixed patient's upper and lower eyelid avoids the inaccurate problem of measurement that the patient winks the in-process and leads to. The utility model has the advantages of simple structure, convenient operation, and the design of crotch department of eyelid spreader has the soft head of arc, can protect patient's eyelid.

The utility model provides a technical scheme that above-mentioned problem adopted is: an ophthalmic surgery OCT microscopic apparatus comprises a headrest for supporting the head of a user, a box body unit, an eyelid spreader unit arranged on the box body unit, and an OCT unit arranged in the box body unit.

The further preferred technical scheme is as follows: the box unit comprises a box body and a box body support arranged on the box body and used for hanging.

The further preferred technical scheme is as follows: the eyelid spreader unit comprises a fixed rod, a second box body arranged on the lower end face of the fixed rod, and a sliding opening arranged on the box body and used for extending out of the fixed rod.

The further preferred technical scheme is as follows: the eyelid spreader unit further comprises a support rod arranged on the second box body, a fixing hole for mounting the support rod, a pair of telescopic parts arranged at two ends of the support rod, a pair of connecting rods arranged at two ends of the telescopic parts, and eyelid spreaders arranged on the connecting rods.

The further preferred technical scheme is as follows: the telescopic part comprises a third box body, a pair of telescopic rods arranged on the third box body, a toothed bar arranged on the telescopic rods and close to one end of the third box body, a gear arranged in the third box body and meshed with the toothed bar, and a telescopic hole arranged on the wall of the third box body and used for installing the telescopic rods.

The further preferred technical scheme is as follows: the telescopic part also comprises a motor which is arranged in the third box body and used for mounting the gear.

The further preferred technical scheme is as follows: the telescopic part also comprises a ball arranged between the telescopic rod and the telescopic hole.

The further preferred technical scheme is as follows: the eyelid distractor unit further comprises a hook arranged on the eyelid distractor and used for hooking the eyelid of the user.

The further preferred technical scheme is as follows: the eyelid distractor unit further comprises an arc-shaped soft head arranged on the hook.

The further preferred technical scheme is as follows: the OCT unit comprises a sliding rod, a hollow sliding block, a translation rod and OCT microscopic equipment, wherein two ends of the sliding rod are respectively arranged on two inner side surfaces of the box body, the hollow sliding block is arranged on the sliding rod, the translation rod is arranged on the hollow sliding block, and the OCT microscopic equipment is arranged on the hollow sliding block through the translation rod and extends out of the sliding port.

The utility model discloses a box unit of erection equipment sets up eyelid spreader unit in the box unit, and set up OCT unit in the box unit is accomplished the collection to the high resolution volume image of internal structure microstructures such as patient's eye cornea and retina, wherein eyelid spreader unit effect is in when the OCT unit is examined patient's eye for fixed patient's upper and lower eyelid avoids the inaccurate problem of measurement that the patient winks the in-process and leads to. The utility model has the advantages of simple structure, convenient operation, and the design of crotch department of eyelid spreader has the soft head of arc, can protect patient's eyelid.

Drawings

Fig. 1 is a schematic structural diagram of the whole body of the OCT microscopy apparatus of the present invention.

Fig. 2 is a schematic structural diagram of a sectional front view of the middle box unit of the present invention.

Fig. 3 is a schematic structural diagram of a cross-sectional top view of the eyelid distractor portion of the present invention.

Fig. 4 is a schematic structural view of the middle hook of the present invention.

Fig. 5 is a schematic structural diagram of a cross-sectional top view of the middle telescopic unit of the present invention.

Detailed Description

The following description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.

Example (b): as shown in fig. 1, 2, 3, 4 and 5, the optical head support comprises a headrest 11 for supporting the head of a user, a case unit 1, an eyelid distractor unit 2 arranged on the case unit 1, and an OCT unit 3 arranged in the case unit 1.

In this embodiment, the headrest 11 has an angle adjusting function, so as to adjust the position of the eye of the patient and the distance from the eyelid distractor unit 2, so as to facilitate the operation of the eyelid distractor unit 2 and the OCT unit.

The case unit 1 includes a case 101, and a case holder 102 provided on the case 101 for hanging.

In this embodiment, the box 101 can be hung on the ceiling, which saves more space compared with the common floor stand and facilitates the operation process of the doctor.

The eyelid distractor unit 2 includes a fixing rod 202, a second case 201 mounted on a lower end surface of the fixing rod 202, and a sliding port 204 provided on the case 101 to outwardly protrude the fixing rod 202.

In this embodiment, the sliding opening 204 has a width larger than that of the fixing rod 202 and allows the OCT unit 3 and the fixing rod 202 to pass through side by side, and the fixing rod 202 is set at a front portion of the second housing 201 so that the OCT unit 3 can pass through without hindrance and can face the eyeball of the patient.

The eyelid distractor unit 2 further includes a support rod 205 provided on the second case 201, a fixing hole 206 for mounting the support rod 205, a pair of expansion parts 207 provided on both ends of the support rod 205, a pair of connecting rods 208 provided on both ends of the expansion part 207, and an eyelid distractor 209 provided on the connecting rods 208.

In this embodiment, the telescopic portion 207 is configured to move the eyelid spreader 209 to open and close through the connecting rod 208, and the eyelid spreader 209 is a curved rod having a C-shape.

The telescopic part 207 includes a third housing 207a, a pair of telescopic rods 207b provided on the third housing 207a, a rack 207c provided on the telescopic rods 207b near one end of the third housing 207a, a gear 207d provided in the third housing 207a to be engaged with the rack 207c, and a telescopic hole 207e provided on a wall of the third housing 207a to receive the telescopic rods 207 b.

In this embodiment, in order to separate the upper and lower eyelids of the patient, so as to align the OCT unit 3 with the eyeball of the patient, the gear 207d is rotated to drive the toothed rod 207c to move toward the telescopic hole 207e, so as to drive the telescopic rod 207b to move away from the telescopic hole 207e, so as to drive the pair of eyelid openers 209 to separate the upper and lower eyelids of the patient.

The telescopic part 207 further includes a motor 207f provided in the third housing 207a for mounting the gear 207 d.

In this embodiment, the motor 207f is connected to an external controller through a wire, and controls the external controller to rotate clockwise or counterclockwise, and sets the maximum number of rotations to prevent the eyes of the patient from being injured.

The telescopic part 207 further includes a ball 207g disposed between the telescopic rod 207b and the telescopic hole 207 e.

In this embodiment, the ball 207g is embedded in the inner sidewall of the telescopic hole 207e and contacts with the telescopic rod 207b, so as to prevent the telescopic rod 207b from being stuck.

The eyelid spreader unit 2 further comprises a hook 210 provided on the eyelid spreader 209 for hooking the eyelid of the user.

In this embodiment, the hook 210 can more firmly fix the upper and lower eyelids of the patient to prevent the patient from falling off accidentally.

The eyelid distractor unit 2 further includes an arc-shaped soft head 211 disposed on the hook 210.

In this embodiment, the arc-shaped soft head 211 is made of medical silica gel or other non-toxic and harmless soft materials, so that the hook 210 can injure the eyelid of the patient.

The OCT unit 3 includes a sliding rod 304 having both ends respectively disposed on both inner sides of the housing 101, a hollow sliding block 303 disposed on the sliding rod 304, a translation rod 302 disposed on the hollow sliding block 303, and an OCT microscopic device 301 disposed on the hollow sliding block 303 through the translation rod 302 and protruding outward from the sliding port 204.

In this embodiment, the OCT microscope 301 can move the hollow sliding block 303 on the sliding rod 304 via the translation rod 302, so as to align the patient's eye.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various modifications can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. These are non-inventive modifications, which are intended to be protected by patent laws within the scope of the appended claims.

Claims

1. Ophthalmologic operation OCT microscopy apparatus comprising a head rest (11) for supporting a user's head, characterized in that: the eyelid retractor is characterized by further comprising a box body unit (1), an eyelid distractor unit (2) arranged on the box body unit (1), and an OCT unit (3) arranged in the box body unit (1).

2. An ophthalmologic operation OCT microscopic device according to claim 1, characterized in that: the box body unit (1) comprises a box body (101) and a box body support (102) which is arranged on the box body (101) and used for hanging.

3. An ophthalmologic operation OCT microscopic device according to claim 2, characterized in that: the eyelid distractor unit (2) comprises a fixing rod (202), a second box body (201) installed on the lower end face of the fixing rod (202), and a sliding opening (204) arranged on the box body (101) and used for extending the fixing rod (202) outwards.

4. An ophthalmologic operation OCT microscopic device according to claim 3, characterized in that: the eyelid distractor unit (2) further comprises a support rod (205) arranged on the second box body (201), a fixing hole (206) for installing the support rod (205), a pair of telescopic parts (207) arranged at two ends of the support rod (205), a pair of connecting rods (208) arranged at two ends of the telescopic parts (207), and eyelid distractors (209) arranged on the connecting rods (208).

5. An ophthalmologic operation OCT microscopic device according to claim 4, characterized in that: the telescopic part (207) comprises a third box body (207 a), a pair of telescopic rods (207 b) arranged on the third box body (207 a), a rack bar (207 c) arranged on the telescopic rods (207 b) and close to one end of the third box body (207 a), a gear (207 d) arranged in the third box body (207 a) and meshed with the rack bar (207 c), and a telescopic hole (207 e) arranged on the wall of the third box body (207 a) and used for installing the telescopic rods (207 b).

6. An ophthalmologic operation OCT microscopy apparatus according to claim 5, characterized in that: the telescopic part (207) further comprises a motor (207 f) provided in the third case (207 a) for mounting the gear (207 d).

7. An ophthalmologic operation OCT microscopy apparatus according to claim 5, characterized in that: the telescopic part (207) further comprises a ball (207 g) arranged between the telescopic rod (207 b) and the telescopic hole (207 e).

8. An ophthalmologic operation OCT microscopic device according to claim 4, characterized in that: the eyelid spreader unit (2) further comprises a hook (210) arranged on the eyelid spreader (209) for hooking the eyelid of the user.

9. An ophthalmologic operation OCT microscopic device according to claim 8, characterized in that: the eyelid distractor unit (2) further comprises an arc-shaped soft head (211) arranged on the hook (210).

10. An ophthalmologic operation OCT microscopic device according to claim 3, characterized in that: the OCT unit (3) comprises a sliding rod (304) with two ends respectively arranged on two inner side surfaces of the box body (101), a hollow sliding block (303) arranged on the sliding rod (304), a translation rod (302) arranged on the hollow sliding block (303), and an OCT microscopic device (301) which is arranged on the hollow sliding block (303) through the translation rod (302) and extends out of the sliding port (204).