CN220778643U - Adjustable head fixing device for neonatal fundus disease examination - Google Patents
Adjustable head fixing device for neonatal fundus disease examination Download PDFInfo
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- CN220778643U CN220778643U CN202322135663.1U CN202322135663U CN220778643U CN 220778643 U CN220778643 U CN 220778643U CN 202322135663 U CN202322135663 U CN 202322135663U CN 220778643 U CN220778643 U CN 220778643U
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- cam
- head fixing
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- 201000010099 disease Diseases 0.000 title abstract description 12
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 title abstract description 12
- 238000007689 inspection Methods 0.000 claims abstract description 81
- 230000005540 biological transmission Effects 0.000 claims description 4
- 241000309551 Arthraxon hispidus Species 0.000 claims 1
- 210000003128 head Anatomy 0.000 description 80
- 210000001508 eye Anatomy 0.000 description 12
- 238000003745 diagnosis Methods 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 210000001525 retina Anatomy 0.000 description 4
- 208000022873 Ocular disease Diseases 0.000 description 2
- 210000005252 bulbus oculi Anatomy 0.000 description 2
- 210000003161 choroid Anatomy 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 206010025421 Macule Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 210000004087 cornea Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000030533 eye disease Diseases 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 210000003733 optic disk Anatomy 0.000 description 1
- 210000001328 optic nerve Anatomy 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Abstract
The utility model relates to the technical field of medical appliances, in particular to an adjustable head fixing device for neonatal fundus disease examination. The adjustable head fixing device for the inspection of the neonatal fundus disease comprises supporting legs, a supporting plate, a cam, a spring, an inspection table, a head fixing block, an auxiliary fixing block and a long shaft; the supporting plate is fixedly connected above the supporting legs, the cam is movably connected in the center of the supporting plate, the spring is installed between the supporting plate and the inspection bench, one end of the inspection bench is movably connected with the head fixing block, the auxiliary fixing block is movably connected onto the head fixing block, and the long shaft is installed below the inspection bench. The utility model has the lifting function to adjust the distance between the neonate and the inspection instrument, the head fixing block can rotate relative to the inspection table, the inspection angle of the neonate can be finely adjusted, the inspection efficiency is improved, the V-shaped groove is matched with the auxiliary fixing plate to limit six degrees of freedom of the neonate head, the neonate head is fixed, and the limitation of manual pressing is overcome.
Description
Technical Field
The utility model relates to the technical field of medical appliances, in particular to an adjustable head fixing device for neonatal fundus disease examination.
Background
The general term "eye disease department" refers to the discipline of studying diseases related to the visual system, including the eyeball and its associated tissues. The cornea, iris, lens, etc. in front of the eyeball are defined by the ophthalmology as the anterior segment of the eye and the vitreous, retina, choroid, etc. behind the eye as the posterior segment of the eye. The fundus is called the fundus at the bottom of the posterior segment of the eye, and is composed of the retina, the fundus blood vessel, the optic nerve head, the optic nerve fiber, the macula on the retina, the choroid behind the retina, etc., and the lesions of these sites are collectively called fundus disease.
With the development of ocular disease screening and treatment techniques for newborns, ocular disease screening for newborns is becoming popular, and newborns who need ocular fundus examination are also becoming more and more popular.
When a doctor examines eyes of a neonate, the head of the neonate needs to be fixed, but the neonate often does not actively cooperate with the examination to influence the diagnosis of the doctor.
The prior art head fixing device for neonatal fundus disease examination has the following problems:
1. at present, one or two assistants are often used for fixing the head and the body of a baby in a clinical neonatal fundus disease examination head fixing mode, a doctor performs eye examination or eye photographing, the force is extremely uneven, a neonate struggles and easily slips, the fontanel of the neonate is not closed, and manual pressing is easy to damage the neonate.
2. At present, the existing neonate head fixing device cannot accurately adapt to neonate heads with different sizes and shapes, and because the tolerance of the neonate is poor, if the head of the neonate is fixed by the fixing device too tightly, the neonate is uncomfortable, so that the neonate is easy to cry, and the difficulty is added to diagnosis and treatment work.
3. At present, the position of the eye observation device behind the neonate head fixation is difficult to adjust by the existing neonate head fixation device, the proper position and the proper angle are not available for examination, a doctor often has difficulty in obtaining an effective judgment, the workload of the doctor is easy to increase, and the misdiagnosis rate is easy to increase.
Disclosure of Invention
Aiming at the situation, in order to make up the defects of the prior art, the utility model aims to provide an adjustable head fixing device for the inspection of the fundus disease of the neonate, which uses a cam to realize the lifting of an inspection table so as to achieve the purpose of adjusting the distance between the neonate and an inspection instrument; the head fixing block is provided with a V-shaped groove, the V-shaped groove limits the freedom degree of the head of the neonate, the purpose of fixing the head of the neonate is achieved, the head fixing block is provided with an auxiliary fixing block, and the V-shaped groove is matched to limit six freedom degrees of the neonate in space, so that the head is thoroughly fixed; the head fixing block is connected to the inspection table by a connecting shaft, can rotate relative to the inspection table, and fine-adjusts the angle of the head of the newborn, so that the inspection by doctors is facilitated.
In order to achieve the technical purpose and the technical effect, the utility model is realized by the following technical scheme:
an adjustable head fixing device for neonatal fundus disease examination comprises supporting legs, a supporting plate, a cam, a spring, an examination table, a head fixing block, an auxiliary fixing block and a long shaft; the supporting plate is fixedly connected above the supporting legs, the cam is movably connected in the center of the supporting plate, the spring is installed between the supporting plate and the inspection bench, one end of the inspection bench is movably connected with the head fixing block, the auxiliary fixing block is movably connected onto the head fixing block, and the long shaft is installed below the inspection bench.
Furthermore, the number of the supporting legs is four, and the supporting legs are connected by using the reinforcing rods, so that the stability and the safety of the device are enhanced.
Further, the backup pad fixed connection is in the supporting leg top, the backup pad centre has seted up the square groove.
Further, the cam shaft is movably mounted on the support plate, and the cam shaft can rotate in the support plate.
Further, the cam is fixedly connected to the center of the cam shaft, the cam is arranged at the square groove in the center of the supporting plate by means of the cam shaft, and the cam can rotate along with the cam shaft relative to the supporting plate.
Furthermore, the inspection table is connected above the supporting plate by means of a spring, the lower surface of the inspection table is connected with the cam in a high pair, and as the curvature radiuses of all parts of the cam are mostly different, the inspection table moves up and down along with the rotation of the cam when the cam rotates, so that the purpose of adjusting the height of the inspection table is achieved.
Furthermore, one end of the inspection bench is provided with a driven wheel gear hole and a driving wheel gear hole, the long shaft is movably arranged in the driving wheel gear hole, and the long shaft is fixedly connected with a driving bevel gear.
Further, the head fixing block is movably connected to the inspection table through a connecting shaft, and a driven bevel gear is fixedly arranged at the tail end of the connecting shaft.
Furthermore, the driving bevel gear and the driven bevel gear are matched for transmission, so that the angle of the head fixing block can be finely adjusted, and the doctor can check conveniently.
Furthermore, a V-shaped groove is formed in the head fixing block, the head of the neonate is placed in the V-shaped groove, the V-shaped groove limits four degrees of freedom of the neonate in space, and the head of the neonate is fixed.
Further, the auxiliary fixing block is provided with a connecting spring and a threaded rod, the auxiliary fixing block is connected to the head fixing block by a spring, the threaded rod is connected to the head fixing block by threads, and the threaded rod penetrates through the head fixing block to be in contact with the auxiliary fixing block.
Further, the threaded rod is rotated, and drives the auxiliary fixing block to move, so that the position of the auxiliary fixing block on the head fixing block is changed.
Furthermore, the specific shape or size of the head of different newborns is different due to different development, and according to the structure of the head of the newborns, the screw rod is rotated to push the auxiliary fixing block to contact the head of the newborns after the head of the newborns is placed in the V-shaped groove, so that six degrees of freedom of the head of the newborns in space are completely limited, and the head of the newborns is fixed.
Compared with the prior art, the utility model has the following beneficial effects:
the supporting plate is fixedly connected above the supporting legs, the square groove is formed in the center of the supporting plate, the cam is arranged on the supporting plate by virtue of the cam shaft, the cam is arranged in the center of the square groove, the inspection table is connected with the supporting plate by virtue of four springs, in addition, the inspection table and the cam form high-pair connection, the curvature radius of each part of the cam is different, and different parts of the cam are contacted with the inspection table when the cam rotates, so that the inspection table moves up and down in the vertical direction, the lifting function of the device is realized, the height between the eyes of a newborn and an inspection instrument is conveniently adjusted, and the inspection efficiency and the diagnosis accuracy are improved;
the inspection bench is provided with a gear hole for installing a bevel gear, the bevel gear is matched with the head fixing block in a transmission manner to enable the head fixing block to rotate relative to the inspection bench, the long shaft is rotated in the inspection process, and the small-amplitude offset angle of the head fixing block is adjusted, so that the eyes of a newborn can reach the optimal inspection angle position, and the inspection efficiency is improved.
The head fixing block is provided with the V-shaped groove, the V-shaped groove limits the freedom degree of the head of the neonate, the purpose of fixing the head of the neonate is achieved, the head fixing block is provided with the auxiliary fixing block, the V-shaped groove is matched to limit six freedom degrees of the neonate in space, the head is thoroughly fixed, and the influence of random shaking of the neonate in the inspection process on the inspection quality and the diagnosis result is avoided.
Drawings
FIG. 1 is a schematic view of a head restraint according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a head fixing block according to an embodiment of the present utility model;
FIG. 3 is a schematic view of the bevel gear fit according to an embodiment of the present utility model;
FIG. 4 is a schematic view of a cam lifting inspection bench according to an embodiment of the utility model;
in the drawings, the reference numerals are as follows:
1-supporting legs, 101-reinforcing rods, 2-supporting plates, 201-square grooves, 3-springs, 4-inspection tables, 401-driven gear holes, 402-driving gear holes, 5-head fixing blocks, 501-V-shaped grooves, 502-connecting shafts, 503-driven bevel gears, 6-auxiliary fixing blocks, 601-connecting springs, 602-threaded rods, 7-long shafts, 701-driving bevel gears, 8-cams and 801-cam shafts;
Detailed Description
In order to more clearly illustrate the technical scheme of the embodiment of the present utility model, the embodiment of the present utility model will be clearly and specifically described below with reference to the accompanying drawings.
Example 1
Fig. 1 is a schematic view of a head fixing device according to an embodiment of the present utility model, and as shown in fig. 1, an adjustable head fixing device for neonatal fundus disease examination includes a support leg 1, a support plate 2, a cam 8, a spring 3, an inspection table 4, a head fixing block 5, an auxiliary fixing block 6, and a long shaft 7.
In this embodiment, the supporting plate 2 is fixedly connected above the supporting leg 1, the cam 8 is movably connected at the center of the supporting plate 2, the spring 3 is installed between the supporting plate 2 and the inspection table 4, one end of the inspection table 4 is movably connected with the head fixing block 5, the auxiliary fixing block 6 is movably connected with the head fixing block 5, and the long shaft 7 is installed below the inspection table 4.
In this embodiment, as shown in fig. 4, four support legs 1 are used, and the support legs 1 are connected by using a reinforcing rod 101, so as to enhance the stability and safety of the device on the ground.
In this embodiment, the support plate 2 is fixedly connected above the support leg 1, and a square groove 201 is formed in the center of the support plate 2.
In this embodiment, the cam shaft 801 is movably mounted in the support plate 2, and the cam shaft 801 is rotatable in the support plate 2.
In this embodiment, the cam 8 is fixedly connected to the center of the cam shaft 801, the cam 8 is installed in the center of the square groove 201, and the cam 8 can rotate with the cam shaft 801 relative to the support plate 2.
In this embodiment, the inspection bench 4 relies on four spring 3 swing joint on backup pad 2, inspection bench 4 lower surface forms high pair with cam 8 and is connected, and the radius of curvature of each position of cam 8 is different, and the different positions of cam 8 when rotatory contact with inspection bench 4 to turn into the rotary motion of inspection bench 4 and reciprocate in vertical direction, realize the lift function of this device, reach the purpose of adjusting this device height, thereby be convenient for adjust the height between neonate's eye and the inspection apparatus, improve inspection efficiency and diagnostic accuracy.
Example 2
As shown in fig. 4, one end of the inspection table 4 is designed with a driven wheel gear hole 401 and a driving wheel gear hole 402.
In this embodiment, as shown in fig. 3, the long shaft 7 is movably mounted in the driving wheel gear hole 402, and the driving bevel gear 701 is fixedly connected to the long shaft 7.
In this embodiment, the head fixing block 5 is movably connected to the inspection table 4 through a connecting shaft 502, and a driven bevel gear 503 is fixedly mounted at the end of the connecting shaft 502.
In this embodiment, the driving bevel gear 701 and the driven bevel gear 503 cooperate to drive the head fixing block 5 to rotate relative to the inspection table 4, and rotate the long shaft 7 when the inspection is performed for the neonate, the driving bevel gear 701 and the driven bevel gear 503 cooperate to transfer the rotation motion of the long shaft 7 to the connecting shaft 502, and the connecting shaft 502 rotates, so as to adjust the small-amplitude offset angle of the head fixing block 5, so that the neonate eye reaches the optimal inspection angle position, and the inspection efficiency is improved.
Example 3
As shown in fig. 2-3, the head fixing block 5 is provided with a V-shaped groove 501, the neonate head is placed in the V-shaped groove 501, the V-shaped groove 501 limits four degrees of freedom of the neonate in space, and the neonate head is fixed.
In this embodiment, the auxiliary fixing block 6 is designed with a connecting spring 601 and a threaded rod 602, the auxiliary fixing block 6 is two in total, the auxiliary fixing block 6 is symmetrically connected to the head fixing block 5 by using the connecting spring 601, the threaded rod 602 is connected to the head fixing block 5 by means of threads, and the threaded rod 602 passes through the head fixing block 5 to be in contact with the auxiliary fixing block 6.
In this embodiment, the threaded rod 602 is rotated, and the threaded rod 602 drives the auxiliary fixing block 6 to linearly move relative to the head fixing block 5, so as to change the position of the auxiliary fixing block 6 on the head fixing block 5.
In this embodiment, the specific shape or size of the head of different newborns is different due to different development, according to the structure of the head of the newborns in time, after the head of the newborns is placed in the V-shaped groove, the two threaded rods 602 are rotated to push the auxiliary fixing block 6 to contact the head of the newborns, so that six degrees of freedom of the head of the newborns in space are completely limited, the head of the newborns is fixed, and the influence of random shaking of the newborns in the inspection process on the inspection quality and the diagnosis result is avoided.
Example 4
An elastic belt can be designed on the examination table 4 to fix the body part of the newborn, so that the inconvenience of examination caused by the body shaking of the newborn is avoided.
In this embodiment, the soft pad is adhered to the inspection table 4 and the V-shaped groove, so that the body of the newborn is prevented from being directly contacted with the device, the injury to the newborn is avoided, and the comfort level of the newborn during inspection is improved.
In summary, the square groove is formed in the center of the supporting plate, the cam is installed in the square groove, the cam is used for transmitting the rotation motion of the cam to the up-and-down movement of the inspection table, the inspection table is connected with the supporting plate by virtue of four springs, and as the curvature radius of each part of the cam is different, different parts of the cam are contacted with the inspection table during rotation, the inspection table is driven to move up and down in a straight line, so that the lifting function is realized, the height of the device is convenient to adjust, and the inspection efficiency and the diagnosis accuracy are improved; the head fixing block is connected to the inspection table by a connecting shaft, and the rotation of the long shaft is transmitted to the head fixing block by bevel gear transmission, so that the head fixing block can rotate relative to the inspection table, thereby finely adjusting the angle of the head of the newborn, and facilitating the inspection of doctors; the V-shaped groove is formed in the head fixing block, the V-shaped groove limits the freedom degree of the head of the neonate, the purpose of fixing the head of the neonate is achieved, the auxiliary fixing block is designed on the head fixing block, the V-shaped groove is matched to limit six freedom degrees of the neonate in space, the head is thoroughly fixed, and the limitation of manually pressing the head of the neonate is overcome.
Claims (5)
1. An adjustable head fixation device for neonatal fundus examination, comprising: supporting leg (1), backup pad (2), spring (3), inspection bench (4), head fixed block (5), supplementary fixed block (6), major axis (7), cam (8), its characterized in that: the utility model discloses a supporting plate, including backup pad (2), supporting leg (1), cam (8) swing joint is in backup pad (2) central authorities through rotatory high of changing inspection bench (4) of installing in the backup pad, spring (3) are installed around between backup pad (2) and inspection bench (4), inspection bench (4) one end swing joint head fixed block (5), supplementary fixed block (6) swing joint adjusts the distance between two supplementary fixed blocks (6) through threaded rod (602) on head fixed block (5), major axis (7) movable mounting is in inspection bench (4) below, and major axis (7) can rotate relative inspection bench (4).
2. The adjustable head restraint for neonatal fundus examination of claim 1, wherein: the center of the supporting plate (2) is provided with a square groove (201), a cam shaft (801) is movably arranged in the square groove (201), the cam shaft (801) can rotate relative to the supporting plate (2), and the cam (8) is fixedly arranged in the center of the cam shaft (801); the inspection bench (4) is movably mounted above the supporting plate (2) by means of a spring (3), the lower surface of the inspection bench (4) is connected with the cam (8) in a high pair, and the height of the inspection bench (4) changes along with the rotation of the cam (8).
3. The adjustable head restraint for neonatal fundus examination of claim 1, wherein: one end of the inspection table (4) is provided with a driven wheel gear hole (401) and a driving wheel gear hole (402), the long shaft (7) is movably arranged in the driving wheel gear hole (402), and the center of the long shaft (7) is fixedly connected with a driving bevel gear (701); a connecting shaft (502) is arranged on the head fixing block (5), the connecting shaft (502) penetrates through the driven wheel gear hole (401) to movably mount the head fixing block (5) on the inspection table (4), and the head fixing block (5) can rotate relative to the inspection table (4); the tail end of the connecting shaft (502) is fixedly provided with a driven bevel gear (503), and the driving bevel gear (701) and the driven bevel gear (503) are in matched transmission below the inspection table (4) to drive the head fixing block (5) to rotate relative to the inspection table (4).
4. The adjustable head restraint for neonatal fundus examination of claim 1, wherein: a V-shaped groove (501) is formed in the center of the head fixing block (5).
5. The adjustable head restraint for neonatal fundus examination of claim 1, wherein: the auxiliary fixing blocks (6) are two in total, the auxiliary fixing blocks (6) are provided with connecting springs (601) and threaded rods (602), the auxiliary fixing blocks (6) are symmetrically and movably connected to the two sides of the head fixing blocks (5) through the connecting springs (601), the threaded rods (602) are connected to the two sides of the head fixing blocks (5) through threads, and the threaded rods (602) penetrate through the head fixing blocks (5) to be in contact with the auxiliary fixing blocks (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322135663.1U CN220778643U (en) | 2023-08-09 | 2023-08-09 | Adjustable head fixing device for neonatal fundus disease examination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322135663.1U CN220778643U (en) | 2023-08-09 | 2023-08-09 | Adjustable head fixing device for neonatal fundus disease examination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220778643U true CN220778643U (en) | 2024-04-16 |
Family
ID=90634873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322135663.1U Active CN220778643U (en) | 2023-08-09 | 2023-08-09 | Adjustable head fixing device for neonatal fundus disease examination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220778643U (en) |
-
2023
- 2023-08-09 CN CN202322135663.1U patent/CN220778643U/en active Active
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