CN219331627U - Auxiliary alignment device for fundus examination - Google Patents
Auxiliary alignment device for fundus examination Download PDFInfo
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- CN219331627U CN219331627U CN202320262888.0U CN202320262888U CN219331627U CN 219331627 U CN219331627 U CN 219331627U CN 202320262888 U CN202320262888 U CN 202320262888U CN 219331627 U CN219331627 U CN 219331627U
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- injection pipe
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
The utility model discloses an auxiliary alignment device for fundus examination, which comprises a bottom plate, wherein an instrument body and an alignment device for auxiliary alignment during examination are arranged on the bottom plate, the alignment device comprises a U-shaped frame, a supporting plate for supporting a head and a positioning plate for positioning a forehead are arranged on the U-shaped frame, the auxiliary alignment device also comprises a fixing mechanism which is arranged on the U-shaped frame and used for fixing the head of a patient, the fixing mechanism comprises sleeves sleeved on two opposite side walls of the U-shaped frame, and the two sleeves are positioned between the supporting plate and the positioning plate. According to the utility model, the head of the patient is fixed through the setting of the fixing mechanism, so that the head is prevented from moving due to fatigue in the long-time fundus examination process of the patient, and the alignment stability of the pupil of the patient and the observation window of the examination instrument is ensured, thereby ensuring the accuracy of fundus examination of the patient.
Description
Technical Field
The utility model belongs to the technical field of medical instruments, and particularly relates to an auxiliary alignment device for fundus examination.
Background
The purpose of fundus examination is to diagnose ophthalmic diseases, identify and judge certain diseases of internal medicine and neurology, which is an important and even indispensable means for diagnosing ophthalmic diseases.
When examining the fundus, medical personnel can use supplementary alignment device to make patient's pupil align with the observation window of inspection instrument, because the eyeground inspection needs longer inspection time, can make the patient feel tired in long-time inspection in-process to unconscious emergence head's removal, and current supplementary alignment device lacks the fixed to patient's head, and the patient takes place the removal of head because of tired, can lead to patient's pupil to take place the skew with the observation window of inspection instrument, thereby has influenced medical personnel's inspection to patient's eyeground.
The present utility model has been made in view of this.
Disclosure of Invention
In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that:
the auxiliary alignment device for fundus examination comprises a bottom plate, wherein an instrument body and an alignment device for auxiliary alignment during examination are arranged on the bottom plate, the alignment device comprises a U-shaped frame, a supporting plate for supporting the head and a positioning plate for positioning the forehead are arranged on the U-shaped frame, and the auxiliary alignment device further comprises a fixing mechanism arranged on the U-shaped frame and used for fixing the head of a patient;
the fixing mechanism comprises sleeves sleeved on two opposite side walls of the U-shaped frame, the two sleeves are positioned between the supporting plate and the positioning plate, the two opposite side walls of the sleeves are provided with fixing frames, the two opposite ends of the fixing frames are provided with openings, the two fixing frames are provided with rubber air bags, the two fixing frames are provided with air injection mechanisms for injecting air to the rubber air bags, and the two fixing frames are provided with air release valves for releasing air to the rubber air bags.
The gas injection mechanism comprises a gas injection pipe fixedly connected to one side of the fixed frame, which is close to the instrument body, one end of the gas injection pipe is connected with the rubber air bag, a connecting pipe is arranged on the side wall of the gas injection pipe, a first one-way valve and a second one-way valve are respectively arranged on the gas injection pipe and the connecting pipe, a piston plate is slidingly connected on the gas injection pipe, and a driving mechanism for driving the piston plate is arranged on the gas injection pipe.
The conduction direction of the first one-way valve and the second one-way valve is from the outside of the connecting pipe to the inside of the rubber air bag.
The driving mechanism comprises a driving rod which is connected to the gas injection pipe in a sliding manner, one end of the driving rod, which is positioned inside the gas injection pipe, is connected with the piston plate, a spring is sleeved on the side wall of the driving rod, two ends of the spring are respectively connected with the piston plate and the side wall of the gas injection pipe, the other end of the driving rod is provided with the driving plate, and a plurality of anti-slip grooves are formed in the side wall of the driving plate.
The piston plate is provided with a sealing component for improving the tightness with the side wall of the gas injection pipe, the sealing component comprises an annular sealing groove arranged on the side wall of the piston plate, and the annular sealing groove is provided with an annular sealing strip.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, through the arrangement of the fixing mechanism, under the air injection effect of the air injection mechanism, the rubber air bag is inflated, and the inflated rubber air bag is propped against the head of a patient, so that the head of the patient is fixed, the head of the patient is prevented from moving due to fatigue in the long-time fundus examination process, the alignment stability of the pupil of the patient and the observation window of the examination instrument is ensured, and the accuracy of fundus examination of the patient is ensured.
The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.
Drawings
In the drawings:
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the gas injection mechanism of the present utility model;
FIG. 3 is a schematic view of the internal structure of the fixing mechanism of the present utility model;
fig. 4 is an enlarged view at a in fig. 2.
In the figure: 101-a bottom plate; 102-an instrument body; 103-U-shaped frames; 104-a support plate; 105-positioning plates; 201-sleeve; 202-fixing a frame; 203-a rubber bladder; 204-a release valve; 301-gas injection pipe; 302-connecting pipes; 303-a first one-way valve; 304-a second one-way valve; 305-a piston plate; 401-a drive rod; 402-a spring; 403-drive plate; 404-anti-skid grooves; 501-an annular seal groove; 502-annular seal strip.
Description of the embodiments
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model.
As shown in fig. 1 to 4, the auxiliary alignment device for fundus examination comprises a bottom plate 101, wherein an instrument body 102 and an alignment device for auxiliary alignment during examination are arranged on the bottom plate 101, the alignment device comprises a U-shaped frame 103, a supporting plate 104 for supporting a head and a positioning plate 105 for positioning a forehead are arranged on the U-shaped frame 103, and a fixing mechanism arranged on the U-shaped frame 103 for fixing the head of a patient is further included;
the fixing mechanism comprises sleeves 201 sleeved on two opposite side walls of the U-shaped frame 103, the two sleeves 201 are positioned between the supporting plate 104 and the positioning plate 105, the opposite side walls of the two sleeves 201 are provided with fixing frames 202, one ends of the two fixing frames 202 opposite to each other are provided with openings, the two fixing frames 202 are provided with rubber air bags 203, the two fixing frames 202 are provided with air injection mechanisms for injecting air into the rubber air bags 203, and the two fixing frames 202 are provided with air release valves 204 for releasing air from the rubber air bags 203;
what needs to be explained here is: through the setting of fixed establishment, fixed patient's head has prevented that the patient from taking place the removal of head because of tired in long-time eyeground inspection process, has guaranteed the stability that patient's pupil and inspection instrument's observation window align to ensured the accuracy to patient's eyeground inspection.
What needs to be explained here is: after the fundus examination of the patient is completed, the rubber bladder 203 is deflated using the deflation valve 204, so that the fixation of the head of the patient is released.
The gas injection mechanism comprises a gas injection pipe 301 fixedly connected to one side of the fixed frame 202, which is close to the instrument body 102, one end of the gas injection pipe 301 is connected with the rubber airbag 203, a connecting pipe 302 is arranged on the side wall of the gas injection pipe 301, a first one-way valve 303 and a second one-way valve 304 are respectively arranged on the gas injection pipe 301 and the connecting pipe 302, a piston plate 305 is connected on the gas injection pipe 301 in a sliding manner, and a driving mechanism for driving the piston plate 305 is arranged on the gas injection pipe 301;
what needs to be explained here is: by the arrangement of the gas injection mechanism, the gas injection operation for the rubber bag 203 is facilitated.
The conduction direction of the first check valve 303 and the second check valve 304 is from the outside of the connection pipe 302 to the inside of the rubber bag 203;
what needs to be explained here is: by restricting the conduction directions of the first check valve 303 and the second check valve 304, the gas injection operation is facilitated.
The driving mechanism comprises a driving rod 401 which is connected to the gas injection pipe 301 in a sliding manner, one end of the driving rod 401, which is positioned in the gas injection pipe 301, is connected with the piston plate 305, a spring 402 is sleeved on the side wall of the driving rod 401, two ends of the spring 402 are respectively connected with the piston plate 305 and the side wall of the gas injection pipe 301, the other end of the driving rod 401 is provided with a driving plate 403, and a plurality of anti-skid grooves 404 are formed in the side wall of the driving plate 403;
what needs to be explained here is: by the provision of the drive mechanism, the reciprocating movement of the piston plate 305 is facilitated.
The piston plate 305 is provided with a sealing assembly for improving the tightness with the side wall of the gas injection pipe 301, the sealing assembly comprises an annular sealing groove 501 arranged on the side wall of the piston plate 305, and the annular sealing groove 501 is provided with an annular sealing strip 502;
what needs to be explained here is: by the provision of the seal assembly, the connection tightness between the piston plate 305 and the sidewall of the gas injection tube 301 is facilitated to be improved.
When the fundus examination is carried out on the patient, the chin part of the patient is placed on the supporting plate 104, the forehead part of the patient is propped against the positioning plate 105, and then the alignment device is adjusted so that the pupil of the patient is aligned with the observation window of the examination instrument;
after the pupil of the patient is aligned with the observation window of the examination instrument, the driving plate 403 is pulled, and the piston plate 305 at one end of the driving rod 401 is driven to slide in the gas injection pipe 301 under the action of force, and as the conduction direction of the first one-way valve 303 and the second one-way valve 304 is from the outside of the connecting pipe 302 to the inside of the rubber airbag 203, in the process that the piston plate 305 slides in the gas injection pipe 301, under the action of air pressure, the external air is pumped into the gas injection pipe 301 from the connecting pipe 302, and under the action of one-way blocking of the first one-way valve 303 and the second one-way valve 304, the gas is blocked in the gas injection pipe 301;
the piston plate 305 compresses the spring 402 in the sliding process of the air injection pipe 301, so that the spring 402 is compressed and deformed to form elastic force, when the piston plate 305 is pulled to a proper position, the pulling of the driving plate 403 is stopped, the piston plate 305 is driven to move reversely in the air injection pipe 301 under the elastic force of the spring 402, so that the air blocked in the air injection pipe 301 is pushed into the rubber air bag 203, the rubber air bag 203 is continuously inflated along with the reciprocating pulling of the driving plate 403, the rubber air bag 203 is inflated, the inflated rubber air bag 203 is propped against the head of a patient, the head of the patient is fixed, the head movement of the patient is prevented from occurring due to fatigue in the long-time fundus examination process, the alignment stability of the pupil of the patient and the observation window of an examination instrument is ensured, and the fundus examination accuracy of the patient is ensured.
Claims (5)
1. A fundus inspection auxiliary alignment apparatus comprising:
the device comprises a bottom plate (101), wherein an instrument body (102) and an alignment device for assisting alignment during inspection are arranged on the bottom plate (101), the alignment device comprises a U-shaped frame (103), and a supporting plate (104) for supporting the head and a positioning plate (105) for positioning the forehead are arranged on the U-shaped frame (103);
characterized by further comprising:
the fixing mechanism is arranged on the U-shaped frame (103) and used for fixing the head of a patient;
the fixing mechanism comprises sleeves (201) sleeved on two opposite side walls of the U-shaped frame (103), the two sleeves (201) are located between the supporting plate (104) and the positioning plate (105), the two opposite side walls of the sleeves (201) are provided with fixing frames (202), the two opposite ends of the fixing frames (202) are provided with openings, the two fixing frames (202) are provided with rubber air bags (203), the two fixing frames (202) are provided with air injection mechanisms for injecting air to the rubber air bags (203), and the two fixing frames (202) are provided with air release valves (204) for releasing air to the rubber air bags (203).
2. The fundus examination auxiliary alignment device according to claim 1, wherein the air injection mechanism comprises an air injection pipe (301) fixedly connected to one side of the fixed frame (202) close to the instrument body (102), one end of the air injection pipe (301) is connected with the rubber air bag (203), a connecting pipe (302) is arranged on the side wall of the air injection pipe (301), a first one-way valve (303) and a second one-way valve (304) are respectively arranged on the air injection pipe (301) and the connecting pipe (302), a piston plate (305) is connected to the air injection pipe (301) in a sliding mode, and a driving mechanism for driving the piston plate (305) is arranged on the air injection pipe (301).
3. The fundus examination auxiliary alignment apparatus according to claim 2, wherein the conducting direction of the first check valve (303) and the second check valve (304) is from the outside of the connecting tube (302) to the inside of the rubber balloon (203).
4. The fundus examination auxiliary alignment device according to claim 2, wherein the driving mechanism comprises a driving rod (401) slidingly connected to the gas injection tube (301), one end of the driving rod (401) located inside the gas injection tube (301) is connected with the piston plate (305), a spring (402) is sleeved on the side wall of the driving rod (401), two ends of the spring (402) are respectively connected with the piston plate (305) and the side wall of the gas injection tube (301), a driving plate (403) is arranged at the other end of the driving rod (401), and a plurality of anti-slip grooves (404) are formed in the side wall of the driving plate (403).
5. The fundus examination auxiliary alignment device according to claim 2, wherein a sealing assembly for improving the tightness with the side wall of the gas injection tube (301) is arranged on the piston plate (305), the sealing assembly comprises an annular sealing groove (501) arranged on the side wall of the piston plate (305), and an annular sealing strip (502) is arranged on the annular sealing groove (501).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320262888.0U CN219331627U (en) | 2023-02-21 | 2023-02-21 | Auxiliary alignment device for fundus examination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320262888.0U CN219331627U (en) | 2023-02-21 | 2023-02-21 | Auxiliary alignment device for fundus examination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219331627U true CN219331627U (en) | 2023-07-14 |
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ID=87109571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320262888.0U Active CN219331627U (en) | 2023-02-21 | 2023-02-21 | Auxiliary alignment device for fundus examination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219331627U (en) |
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2023
- 2023-02-21 CN CN202320262888.0U patent/CN219331627U/en active Active
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