CN120021935A - Fundus examination auxiliary device - Google Patents
Fundus examination auxiliary device Download PDFInfo
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- CN120021935A CN120021935A CN202510505020.2A CN202510505020A CN120021935A CN 120021935 A CN120021935 A CN 120021935A CN 202510505020 A CN202510505020 A CN 202510505020A CN 120021935 A CN120021935 A CN 120021935A
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- inflation channel
- inflatable cushion
- support frame
- fundus examination
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/0083—Apparatus for testing the eyes; Instruments for examining the eyes provided with means for patient positioning
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/12—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
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- Ophthalmology & Optometry (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
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- Animal Behavior & Ethology (AREA)
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- Public Health (AREA)
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- Invalid Beds And Related Equipment (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
本发明公开了一种眼底检查辅助装置，涉及眼底检查技术领域，包括支撑架和设置在支撑架上的眼底镜，所述支撑架上设置有充气支撑机构，充气支撑机构包括充气垫和支撑组件，所述充气垫中部固定在支撑架上，所述支撑组件具有使充气垫两端贴合在支撑架上的第一状态和带动充气垫两端翘起以贴合患者头部的第二状态。本发明提供的一种眼底检查辅助装置，在准备对患者进行检查时，支撑组件切换至第一状态以使充气垫贴合在支撑架上，此时患者可以躺在支撑架上并枕在充气垫上，随后支撑组件切换至第二状态可以使充气垫的两端翘起，从而使充气垫贴合患者的头部以对患者的头部进行限制，尽量避免患者接受检查时头部出现摆动的情况。
The present invention discloses an auxiliary device for fundus examination, which relates to the technical field of fundus examination, and comprises a support frame and an ophthalmoscope arranged on the support frame, wherein the support frame is provided with an inflatable support mechanism, and the inflatable support mechanism comprises an inflatable cushion and a support assembly, wherein the middle part of the inflatable cushion is fixed on the support frame, and the support assembly has a first state in which both ends of the inflatable cushion are fitted on the support frame, and a second state in which both ends of the inflatable cushion are tilted to fit the patient's head. The auxiliary device for fundus examination provided by the present invention, when preparing to examine a patient, the support assembly switches to the first state in which the inflatable cushion is fitted on the support frame, at which time the patient can lie on the support frame and rest his head on the inflatable cushion, and then the support assembly switches to the second state in which both ends of the inflatable cushion are tilted, thereby making the inflatable cushion fit the patient's head to restrict the patient's head and try to avoid the patient's head from swinging when being examined.
Description
Technical Field
The invention relates to the technical field of fundus examination, in particular to a fundus examination auxiliary device.
Background
Fundus examination is a medical examination method for observing internal structures of eyeballs (such as retina, optic nerve, blood vessel, etc.) through professional equipment, and is mainly used for assessing eye health and finding early lesions of systemic diseases (such as diabetes and hypertension).
If the authorized bulletin number is CN221577672U, the authorized bulletin day is 2024, 8 and 23, and the patent document is named as head stabilizing device for eye examination, which comprises a bottom plate, examination equipment and a supporting seat are installed on the top surface of the bottom plate, a supporting frame is installed on the top of the supporting seat, and a mandibular support and a forehead support are arranged between the supporting frames. This patent holds in the palm through setting up the pillow and can be to the fixed bearing of patient's back brain position, makes patient's head fix more firm, makes the inspection result more accurate, improves inspection efficiency.
In the prior art, a patient is generally sitting to receive the examination of the ophthalmoscope, and obviously, in the examination mode, the head of the patient is easy to swing and the like, so that the observation of medical staff on eyes of the patient is influenced.
Disclosure of Invention
The object of the present invention is to provide an auxiliary device for fundus examination, which solves the above-mentioned drawbacks of the prior art.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides an auxiliary device for fundus examination, includes the support frame and sets up the ophthalmoscope on the support frame, be provided with on the support frame:
The inflatable supporting mechanism comprises an inflatable cushion and a supporting component, wherein the middle of the inflatable cushion is fixed on the supporting frame, and the supporting component is in a first state of enabling two ends of the inflatable cushion to be attached to the supporting frame and a second state of driving the two ends of the inflatable cushion to tilt up to be attached to the head of a patient.
In the fundus examination auxiliary device, the first inflation channel communicated with the inflatable cushion is formed on the support frame.
The fundus examination auxiliary device comprises the support assembly, wherein the support assembly comprises a second inflation channel which is formed on the support frame, a support rod is connected in a sliding mode in the second inflation channel, and the top end of the support rod is in limiting connection with the inflatable cushion.
According to the fundus examination auxiliary device, the fixed plate is fixed on the inflatable cushion, and the top end of the supporting rod is connected with the fixed plate in a sliding mode.
The above-mentioned fundus examination auxiliary device, construct the connecting chamber on the support frame, first inflation channel and second inflation channel all communicate with the connecting chamber, sliding connection has the shutoff board in the connecting chamber, the shutoff board has the first position of opening first inflation channel and shutoff second inflation channel and shutoff first inflation channel and the second position of opening the second inflation channel.
In the above fundus examination auxiliary device, the blocking plate is configured with a first hole and a second hole, and an elastic member for forcing the blocking plate to move toward one end is disposed in the connecting cavity.
The fundus examination auxiliary device is characterized in that the support frame is provided with a movable cavity, a first C-shaped pipe communicated with the first inflation channel is arranged in the movable cavity, the plugging plate is provided with a first limiting block, and one end of the first C-shaped pipe, far away from the first inflation channel, extends to the moving stroke of the first limiting block.
According to the fundus examination auxiliary device, the second C-shaped pipe communicated with the second inflation channel is arranged in the movable cavity, the second limiting block is constructed on the plugging plate, and one end, away from the second inflation channel, of the second C-shaped pipe extends to the moving stroke of the second limiting block.
In the above fundus examination auxiliary apparatus, the first C-shaped tube and the second C-shaped tube are elastic, and both deform when the air pressure therein changes.
In the above fundus examination auxiliary device, a third hole is further formed in the plugging plate.
In the technical scheme, when a patient is ready to be inspected, the supporting component is switched to the first state so that the inflatable cushion is attached to the supporting frame, the patient can lie on the supporting frame and rest on the inflatable cushion, and then the supporting component is switched to the second state so that two ends of the inflatable cushion can be tilted, so that the inflatable cushion is attached to the head of the patient to limit the head of the patient, and the condition that the head swings when the patient accepts the inspection is avoided as much as possible.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic diagram of an overall structure according to an embodiment of the present invention;
FIG. 2 is a schematic view of a fixing plate structure according to another embodiment of the present invention;
FIG. 3 is a schematic view of a support bar according to another embodiment of the present invention;
FIG. 4 is a schematic view of a first hole structure according to another embodiment of the present invention;
FIG. 5 is a schematic diagram of a second hole structure according to another embodiment of the present invention;
FIG. 6 is a schematic diagram of a plugging plate structure according to another embodiment of the present invention;
FIG. 7 is a schematic view of an elastic member according to another embodiment of the present invention;
FIG. 8 is a schematic view of an L-shaped baffle structure according to another embodiment of the present invention;
FIG. 9 is a schematic view of a boss according to another embodiment of the present invention;
FIG. 10 is a schematic view of a return spring according to another embodiment of the present invention;
Fig. 11 is a schematic view of a structure of a pressing rod according to another embodiment of the present invention.
Reference numerals illustrate:
1. The eye mask comprises a support frame, 2, a ophthalmoscope, 3, an inflatable cushion, 4, a first inflatable channel, 5, a second inflatable channel, 6, a support rod, 7, a fixing plate, 8, a connecting column, 9, a connecting cavity, 10, a plugging plate, 11, a first hole, 12, a second hole, 13, an elastic piece, 14, a first C-shaped pipe, 15, a first limiting block, 16, a second C-shaped pipe, 17, a second limiting block, 18, an L-shaped blocking block, 19, a push rod, 20, a third hole, 21, a protruding part, 22, a collision rod, 23 and a reset spring.
Detailed Description
In order to make the technical scheme of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
Referring to fig. 1-11, an embodiment of the invention provides an auxiliary device for fundus examination, which comprises a support frame 1 and a ophthalmoscope 2 arranged on the support frame 1, wherein an inflatable support mechanism is arranged on the support frame 1, the inflatable support mechanism comprises an inflatable cushion 3 and a support assembly, the middle part of the inflatable cushion 3 is fixed on the support frame 1, and the support assembly has a first state for enabling two ends of the inflatable cushion 3 to be attached to the support frame 1 and a second state for driving the two ends of the inflatable cushion 3 to tilt up to be attached to the head of a patient.
In particular, the ophthalmoscope 2 is a specialized medical device for inspecting the internal structure of the eye, and when in use, a patient is generally sitting for inspection, and during the process, the head of the patient can swing (shake) involuntarily, which obviously affects the observation effect of the ophthalmoscope 2. The innovation point of the embodiment of the invention is that the ophthalmoscope 2 is arranged on the support frame 1 (the ophthalmoscope 2 can be arranged on the support frame 1 in a sliding way so as to enable the ophthalmoscope 2 to be close to a patient during examination, the ophthalmoscope 2 is moved away during idle time), the support frame 1 can adopt a bed body structure in the prior art, so that the patient can lie on the support frame 1 to receive the examination of the ophthalmoscope 2, the inflatable cushion 3 and the support assembly are arranged on the support frame 1, the inflatable cushion 3 can adopt an inflatable cushion structure in the prior art, the support assembly can adopt a deformation bracket structure in the prior art so as to force the two ends of the inflatable cushion 3 to tilt during deformation, the inflatable cushion 3 is inflated and the inflatable support mechanism is in a first state when the ophthalmoscope 2 is required to be examined, the inflatable cushion 3 is attached to the support frame 1, the head of the patient can be rested on the inflatable cushion 3, and then the inflatable support mechanism is switched to a second state so as to force the two ends of the inflatable cushion 3 to tilt, and the inflatable cushion 3 is integrally in an arc shape and attached to the head of the patient, so that the position of the inflatable cushion 3 is more convenient than the position of the middle position of the fundus cushion 2 of the patient when the fundus cushion 2 is required to be examined, and the position of the fundus cushion 2 is more convenient to adjust.
In yet another embodiment of the present invention, further, the support frame 1 is configured with a first inflation channel 4 in communication with the inflatable cushion 3. Specifically, the first inflation channel 4 may be a pipe structure, which is embedded in the support frame 1 and is communicated with the inflatable cushion 3, and the support frame 1 is provided with an air source (such as an air pump structure, which is not shown in the prior art and is not described in detail herein), and an output end of the air source is communicated with the first inflation channel 4 so as to convey air into the inflatable cushion 3 or extract air in the inflatable cushion 3 through the air source.
Further, the support assembly comprises a second inflation channel 5 which is formed on the support frame 1, a support rod 6 is connected in a sliding manner in the second inflation channel 5, and the top end of the support rod 6 is in limit connection with the inflatable cushion 3. Specifically, the second inflation channel 5 is a pipe structure, which is embedded in the support frame 1, two groups of second inflation channels 5 and support rods 6 are symmetrically arranged, one ends of the two inflation channels, which are far away from the corresponding support rods 6, can be combined together to share one air source (as shown in fig. 2), namely in the embodiment, two air sources are arranged on the support frame 1 and are respectively communicated with the first inflation channel 4 and the second inflation channel 5, one ends of the second inflation channels 5, which are far away from the air sources, are vertically structured, one ends of the support rods 6 are slidably connected in the vertical parts of the second inflation channels 5, and a dynamic sealing structure is arranged between the two ends, when the air sources are used for inflating the second inflation channels 5, the air pressure in the second inflation channels 5 is increased to force the support rods 6 to be far away from the second inflation channels 5, so that the ends of the inflatable cushion 3 are driven to tilt, and when the air in the second inflation channels 5 are pumped by the air sources, the air pressure in the second inflation channels 5 is reduced to force the ends of the support rods 6 to be retracted into the second inflation channels 5, so that the ends of the inflatable cushion 3 are driven to be attached to the surface of the support frame 1. So can control the state of aerifing supporting mechanism through two air supplies to support and restrict patient's head to the adaptation, be convenient for carry out fundus examination to the patient.
In the above embodiment, the end of the support rod 6 far away from the second inflation channel 5 and the inflatable cushion 3 may be directly and fixedly connected, so that the end of the inflatable cushion 3 is driven to tilt by the support rod 6, preferably, the inflatable cushion 3 is fixed with a fixing plate 7, and the top end of the support rod 6 is slidably connected with the fixing plate 7. Specifically, a through groove is formed in the fixing plate 7 along the length direction of the inflatable cushion 3, a connecting column 8 matched with the through groove is formed at the top end of the supporting rod 6, the connecting column 8 is movably arranged in the through groove, an embedded groove is formed in the supporting frame 1, when the inflatable cushion 3 is attached to the supporting frame 1, the fixing plate 7 and the supporting rod 6 are located in the embedded groove, the connecting column 8 is located at one end, close to the center of the inflatable cushion 3, of the through groove, when the supporting rod 6 moves out of the second inflatable channel 5, the fixing plate 7 and the end of the inflatable cushion 3 can be forced to move upwards through the supporting rod 6, in the process, the connecting column 8 moves relatively in the through groove until the supporting rod 6 moves to the limit position, the connecting column 8 moves relatively to one end, far away from the center of the inflatable cushion 3, of the through groove, and at the moment, the whole inflatable cushion 3 is arc-shaped, and the inflatable cushion 3 can be supported through the supporting rod 6. The benefit that sets up like this lies in that bracing piece 6 drives the in-process of inflatable packer 3 end perk, and spliced pole 8 can be relatively run through the inslot and remove to the removal of adaptation inflatable packer 3 end and fixed plate 7, and then the drive inflatable packer 3 deformation of adaptation is in order to restrict the position of patient's head, makes the patient cooperate ophthalmoscope 2 as far as possible and inspects.
In the embodiments of the present invention, when the air pressure in the second air charging channel 5 reaches a certain threshold value, the corresponding air source stops running, so that the support rod 6 maintains a certain supporting force (the support force is too large to cause damage to the head of a patient), for patients with different head circumferences, the rising heights of the support rod 6 are different, and the positions of the connecting posts 8 in the through grooves are different, so that the head of different patients can be supported and limited in a proper manner, the head of the patient can be prevented from swinging as much as possible while the head of the patient is positioned in the middle of the air charging pad 3, and the damage to the patient due to the too large support force of the support rod 6 can be avoided as much as possible.
In yet another embodiment provided by the present invention, a connecting cavity 9 is further configured on the support frame 1, the first inflation channel 4 and the second inflation channel 5 are both communicated with the connecting cavity 9, a plugging plate 10 is slidably connected in the connecting cavity 9, and the plugging plate 10 has a first position for opening the first inflation channel 4 and plugging the second inflation channel 5 and a second position for plugging the first inflation channel 4 and opening the second inflation channel 5. Specifically, in the above embodiment, two air sources are required to be arranged on the support frame 1 to respectively inflate and deflate the first inflation channel 4 and the second inflation channel 5, in this embodiment, a connecting cavity 9 is arranged on the support frame 1, the first inflation channel 4 and the second inflation channel 5 are communicated through the connecting cavity 9, the first inflation channel 4 or the second inflation channel 5 is plugged through a plugging plate 10, so that one air source is reserved on the support frame 1 to be communicated with the connecting cavity 9, and in this embodiment, when the inflatable cushion 3 needs to be operated, the plugging plate 10 is moved to a first position, at the moment, the first inflation channel 4 can be inflated or deflated through the air source to control the inflatable cushion 3 to operate, and when the support rod 6 needs to be operated, the plugging plate 10 is moved to a second position, at the moment, the second inflation channel 5 can be inflated or deflated through the air source to control the end of the inflatable cushion 3 to tilt or attach to the support frame 1.
Preferably, the plugging plate 10 is provided with a first hole 11 and a second hole 12, and an elastic member 13 for forcing the plugging plate 10 to move towards one end is arranged in the connecting cavity 9. The support frame 1 is provided with a movable cavity, a first C-shaped pipe 14 communicated with the first inflation channel 4 is arranged in the movable cavity, the plugging plate 10 is provided with a first limiting block 15, and one end, far away from the first inflation channel 4, of the first C-shaped pipe 14 extends to the moving stroke of the first limiting block 15. A second C-shaped pipe 16 communicated with the second inflation channel 5 is arranged in the movable cavity, a second limiting block 17 is constructed on the plugging plate 10, and one end, far away from the second inflation channel 5, of the second C-shaped pipe 16 extends to the moving stroke of the second limiting block 17. Specifically, the movable cavity is communicated with the connecting cavity 9, the plugging plate 10 is located on one side, close to the movable cavity, of the connecting cavity 9, in the process that the plugging plate 10 slides along the connecting cavity 9, the plugging plate 10 can keep plugging of the connecting cavity 9, connection of the connecting cavity 9 with the movable cavity is avoided as much as possible (gas source is enabled to be inflated or exhausted to the first inflation channel 4 or the second inflation channel 5 through the connecting cavity 9, leakage of gas from a connection position of the connecting cavity 9 and the movable cavity is avoided as much as possible), the change of the gas pressure in the movable cavity along with the change of the connecting cavity 9 is avoided as much as possible, a first C-shaped pipe 14 and a second C-shaped pipe 16 are arranged in the movable cavity, one end of the first C-shaped pipe 14 is communicated with the first inflation channel 4, the other end is a plugging end and the movable cavity, one end of the second C-shaped pipe 16 is communicated with the second inflation channel 5, the other end is a plugging end and the movable cavity, the plugging end is arranged on the movable cavity, a first limit block 15 and the second limit block 17 are constructed on the plugging plate 10, the first limit block 15 and the second limit block 17 are both located in the movable cavity, a spring structure in the prior art is optionally used, the spring structure in one end of the elastic piece 13 is fixedly connected to the inner wall 9 of the movable cavity along the connecting cavity 9, the inner wall of the spring 9 is correspondingly connected to the inflation channel 10, the second limit plate is compressed and the air channel 10 is correspondingly in the inflation channel 10, and the air channel is correspondingly compressed and the air channel is in the air channel 10, and can be correspondingly in the state is in the inflation channel is sealed and the air channel is in the air channel is sealed state when the air channel is sealed.
The first and second C-shaped tubes 14, 16 are each resilient and both deform as the air pressure therein changes. Specifically, the first C-shaped tube 14 and the second C-shaped tube 16 are C-shaped tubes, the C-shaped tubes are hollow and have oval (or flat) cross sections, when the pressure value in the C-shaped tubes increases, the cross sections of the C-shaped tubes gradually expand and approach to a circular shape, so that the C-shaped tubes approach to a cylindrical shape, otherwise, when the pressure value in the C-shaped tubes decreases, the C-shaped tubes return to the original C-shape through self elasticity, and meanwhile, the cross sections of the C-shaped tubes also return to the original oval or flat shape, so that the plugging ends of the C-shaped tubes move in a certain relation with the pressure value.
The plugging plate 10 has a first position, a second position and a third position gradually far away from the elastic element 13 in the connecting cavity 9 (as shown in fig. 4-6, the plugging plate 10 is in the first position, the second position and the third position, other redundant structures are omitted in the drawings, only part of the supporting frame 1 and part of the connecting cavity 9 are shown, the whole connecting cavity 9 is a closed cavity communicated with an air source, and the closed cavity is controlled by the plugging plate 10 to be communicated with the first air charging channel 4 and the second air charging channel 5), namely, when the plugging plate 10 is far away from the elastic element 13 in the connecting cavity 9, the plugging plate sequentially passes through the first position, the second position and the third position; in the first position, the first limiting block 15 is abutted with the first C-shaped pipe 14, the plugging plate 10 cannot continuously move along the connecting cavity 9 under the elasticity of the elastic piece 13, at the moment, the first hole 11 is communicated with the first air charging channel 4, the second hole 12 and the second air charging channel 5 are misplaced, namely, the plugging plate 10 opens the first air charging channel 4 and plugs the second air charging channel 5, when the air source is used for charging the connecting cavity 9 and the first air charging channel 4, the air cushion 3 is inflated, the air pressure in the first air charging channel 4 is increased, the first C-shaped pipe 14 deforms to drive the plugging end of the plugging plate 14 to misplace with the first limiting block 15 (after the air charging cushion 3 is inflated, certain air pressure exists in the plugging plate, when the air pressure in the first air charging channel 4 reaches a certain threshold value, the first C-shaped pipe 14 and the first limiting block 15 misplaces), so that the plugging plate 10 can move towards the second position under the action of the elastic piece 13, when the plugging plate 10 moves to the second position, the second limiting block 17 is abutted against the plugging end of the second C-shaped pipe 16, the elastic piece 13 cannot continuously drive the plugging plate 10 to move along the connecting cavity 9, at this time, the first hole 11 and the first inflation channel 4 are dislocated, the second hole 12 and the second inflation channel 5 are communicated, that is, the blocking plate 10 blocks the first inflation channel 4 and opens the second inflation channel 5, when the air source is used for inflating the connecting cavity 9 and the second inflation channel 5, the supporting rod 6 is far away from the second inflation channel 5 to force the two ends of the inflatable cushion 3 to tilt, along with the increase of the air pressure in the second inflation channel 5, the second C-shaped tube 16 is gradually deformed until being separated from the second limiting block 17 (when the air pressure in the second inflation channel 5 reaches a certain threshold value, the second C-shaped tube 16 is dislocated with the second limiting block 17), after the second C-shaped tube 16 is dislocated with the second limiting block 17, the blocking plate 10 moves to a third position under the action of the elastic piece 13, and when the blocking plate 10 moves to the third position, the first hole 11 and the first inflation channel 4 are dislocated, the second hole 12 and the second inflation channel 5 are dislocated, and at this time, the first inflation channel 4 and the second inflation channel 5 can be simultaneously carried out by the blocking plate 10, so that the inflatable cushion 3 can be kept to support and the arc-shaped head of a patient as far as possible and the arc-shaped head of the patient is blocked.
The advantage of this arrangement is that the position of the blocking plate 10 can be switched passively by arranging an air source on the support frame 1, so that the blocking plate 10 is in different states, the air source can inflate the inflatable cushion 3 first, the position of the blocking plate 10 can be switched passively when the air pressure in the inflatable cushion 3 reaches the threshold value, the second inflation channel 5 can be inflated independently, and the first inflation channel 4 and the second inflation channel 5 can be blocked passively until the air pressure in the second inflation channel 5 reaches the threshold value, so that the inflatable cushion 3 is kept in the state.
It should be noted that two L-shaped stoppers 18 are configured in the movable cavity, in the process that the first stopper 15 and the second stopper 17 move along with the plugging plate 10, the two L-shaped stoppers 18 do not interfere with the first stopper 15 and the second stopper 17, the two L-shaped stoppers 18 are respectively attached to the first C-shaped tube 14 and the second C-shaped tube 16, when the first C-shaped tube 14 interferes with the first stopper 15, one L-shaped stopper 18 is located at one side of the first C-shaped tube 14 far away from the first stopper 15 to support the first C-shaped tube 14, so that the first C-shaped tube 14 can be attached to the L-shaped stopper 18 to deform, the first C-shaped tube 14 is prevented from being interfered by the first stopper 15 to the greatest extent, and in the same way, the other L-shaped stopper 18 is used for interfering with the second C-shaped tube 16, so as to avoid the second C-shaped tube 16 from being interfered by the second stopper 17 to the greatest extent.
The connecting cavity 9 can be provided with a push rod 19 structure, one end of the push rod 19 is fixed on the inner wall of the connecting cavity 9, the other end can be used for abutting against the plugging plate 10 so as to force the plugging plate 10 to be close to the elastic piece 13 along the connecting cavity 9 when the push rod 19 stretches (as shown in fig. 7, the plugging plate 10 is in the first position, the push rod 19 is not interfered with the plugging plate 10 when being contracted, and the plugging plate 10 can be abutted against to reset to the first position along the connecting cavity 9 when the push rod 19 stretches), alternatively, an extending part can be constructed on the plugging plate 10 and extends to the outside of the supporting frame 1, so that a user can operate the extending part to drive the plugging plate 10 to be close to the elastic piece 13.
In yet another embodiment of the present invention, further, a third hole 20 is formed in the plugging plate 10. Specifically, the third hole 20 is located at one side of the second hole 12 away from the first hole 11, in this embodiment, the plugging plate 10 has three holes, and the plugging plate 10 has a fourth position in the connecting cavity 9, when the plugging plate 10 is in the third position, the plugging plate 10 can further slide along the connecting cavity 9 under the action of the elastic member 13 until the plugging plate 10 abuts against the inner wall of the connecting cavity 9, when the plugging plate 10 abuts against the inner wall of the connecting cavity 9, the second hole 12 is in the fourth position, at this time, the second hole 12 is communicated with the first inflation channel 4, and the third hole 20 is communicated with the second inflation channel 5, and when the plugging plate 10 is in the fourth position, the air in the first inflation channel 4 and the second inflation channel 5 can be pumped simultaneously by the air source, so that the inflatable cushion 3 contracts and is attached to the support frame 1, and the inflatable cushion 3 is prevented from being in a high pressure state for a long time as much as possible.
The plugging plate 10 is provided with a bulge 21, the bulge 21 is provided with a connecting groove, two ends of the connecting groove are respectively communicated with the connecting cavity 9 and the movable cavity, a contact resisting rod 22 is arranged in the connecting groove in a sliding manner, a movable sealing structure is arranged between the contact resisting rod 22 and the connecting groove, a reset spring 23 is arranged in the connecting groove, one end of the reset spring 23 is fixed on the inner wall of the connecting groove, and the other end of the reset spring 23 is fixed on the contact resisting rod 22 so as to force the contact resisting rod 22 to move to one side of the movable cavity through the reset spring 23; when the plugging plate 10 is in the first position and the second position, the abutting rod 22 abuts against the inner wall of the connecting cavity 9, so that the abutting rod 22 presses the reset spring 23 and is retracted into the connecting groove until the plugging plate 10 moves to the third position, the connecting groove moves to a position corresponding to the second inflation channel 5, at the moment, the abutting rod 22 can extend out of the connecting groove under the action of the reset spring 23 until the plugging plate 10 moves to the third position, the abutting rod 22 is clamped on the inner wall of the second inflation channel 5, the position of the plugging plate 10 is limited, when the plugging plate 10 is in the third position, the first inflation channel 4 and the second inflation channel 5 have larger air pressure, namely the abutting rod 22 can be subjected to certain pressure in the second inflation channel 5, but the pressure is insufficient to force the abutting rod 22 to overcome the elastic force of the reset spring 23 and be in the connecting groove, until a patient needs to retract the inflatable cushion 3 after finishing inspection, the air source sucks the air in the connecting cavity 9, the plugging plate 10 is in the third position, the first inflation channel 4 and the second inflation channel 5 are clamped on the inner wall of the second inflation channel 5, the air source is only retracted into the connecting cavity 9, the air cavity 9 can be connected with the second inflation channel 9 under the condition, the pressure is high pressure, the pressure difference is only when the air source is connected between the second inflation channel 9 and the inflation channel 9 is connected, the contact rod 22 overcomes the elasticity of the return spring 23 under the action of the air pressure difference and is retracted into the connecting groove, and at the moment, the blocking plate 10 is released from the restriction and can move to the fourth position under the action of the elastic piece 13, so that the first inflation channel 4 and the second inflation channel 5 are simultaneously opened, the air in the first inflation channel 4 and the second inflation channel 5 is simultaneously sucked through the air source, and the inflatable cushion 3 is deflated and attached to the supporting frame 1.
The advantage of this arrangement is that the blocking plate 10 can be passively switched to the fourth position by directly sucking the gas in the connecting chamber 9 through the gas source, so that the first inflation channel 4 and the second inflation channel 5 are passively opened until the inflatable cushion 3 is first and attached to the support frame 1, and the blocking plate 10 is driven to be reset to the first position by the push rod 19, so that the gas source can be directly operated for adapting to support and limit the heads of different patients next time.
It should be noted that, when the plugging plate 10 is forced to return to the first position by the push rod 19, the first wedge block (the second wedge block) can force the plugging end of the first C-shaped tube 14 (the second C-shaped tube 16) to avoid the plugging end of the first C-shaped tube 15 and the second limiting block 17 by the wedge surfaces (as shown in fig. 11) on the first limiting block, the second limiting block and the abutting rod 22, and accordingly, when the plugging plate 10 returns to the first position, the wedge surface of the abutting rod 22 and the inner wall of the second inflation channel 5 abut against each other to force the abutting rod 22 to be retracted into the connecting groove again (preferably, the abutting rod 22 and the connecting groove can form a non-revolving body adapted to each other, so that the abutting rod 22 is prevented from rotating to drive the wedge surfaces to deflect as much as possible).
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the invention, which is defined by the appended claims.
Claims (10)
1. The utility model provides a fundus examination auxiliary device, includes the support frame and sets up the ophthalmoscope on the support frame, its characterized in that, be provided with on the support frame:
The inflatable supporting mechanism comprises an inflatable cushion and a supporting component, wherein the middle of the inflatable cushion is fixed on the supporting frame, and the supporting component is in a first state of enabling two ends of the inflatable cushion to be attached to the supporting frame and a second state of driving the two ends of the inflatable cushion to tilt up to be attached to the head of a patient.
2. A fundus examination aid according to claim 1, wherein the support frame is configured with a first inflation channel in communication with the inflatable cushion.
3. A fundus examination aid according to claim 2, wherein the support assembly comprises a second inflation channel configured on the support frame, a support rod is slidably connected to the second inflation channel, and the top end of the support rod is in limited connection with the inflatable cushion.
4. A fundus examination auxiliary apparatus according to claim 1, wherein the inflatable cushion is fixedly provided with a fixing plate, and the top end of the support rod is slidably connected with the fixing plate.
5. A fundus examination aid according to claim 3, wherein the support frame is configured with a connecting chamber, wherein the first inflation channel and the second inflation channel are both in communication with the connecting chamber, wherein a blocking plate is slidably connected within the connecting chamber, and wherein the blocking plate has a first position to open the first inflation channel and block the second inflation channel and a second position to block the first inflation channel and open the second inflation channel.
6. A fundus examination aid according to claim 5, wherein the closure plate is configured with a first aperture and a second aperture, and wherein the connecting lumen is provided with a resilient member for urging the closure plate to one end.
7. A fundus examination assist device according to claim 5, wherein the support frame is configured with a movable cavity, a first C-shaped tube in communication with the first inflation channel is disposed in the movable cavity, the blocking plate is configured with a first stopper, and an end of the first C-shaped tube remote from the first inflation channel extends to a movement stroke of the first stopper.
8. The fundus examination auxiliary apparatus according to claim 7, wherein a second C-shaped tube is disposed in the movable chamber and is in communication with the second inflation channel, a second stopper is configured on the blocking plate, and an end of the second C-shaped tube remote from the second inflation channel extends to a movement stroke of the second stopper.
9. A fundus examination aid according to claim 7, wherein the first and second C-tubes are each resilient and deform upon changes in air pressure therein.
10. A fundus examination aid according to claim 6, wherein the closure plate is further configured with a third aperture.
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| CN202510505020.2A CN120021935B (en) | 2025-04-22 | 2025-04-22 | Fundus examination auxiliary device |
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| CN202510505020.2A CN120021935B (en) | 2025-04-22 | 2025-04-22 | Fundus examination auxiliary device |
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| CN120021935B CN120021935B (en) | 2025-07-22 |
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| DE4237077A1 (en) * | 1992-11-03 | 1994-05-05 | Stefan Koitzsch | Ophthalmological instrument for mobile use in examining front and rear eye sections - has ophthalmoscope light removably fitted with extension piece on arc guide connected to stereo-microscope |
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| CN222752267U (en) * | 2024-06-17 | 2025-04-15 | 嘉峪关市第一人民医院 | A device that effectively reduces CT neck examination artifacts |
Also Published As
| Publication number | Publication date |
|---|---|
| CN120021935B (en) | 2025-07-22 |
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