CN217066779U - Earplug for nuclear magnetic resonance image examination - Google Patents
Earplug for nuclear magnetic resonance image examination Download PDFInfo
- Publication number
- CN217066779U CN217066779U CN202123281752.4U CN202123281752U CN217066779U CN 217066779 U CN217066779 U CN 217066779U CN 202123281752 U CN202123281752 U CN 202123281752U CN 217066779 U CN217066779 U CN 217066779U
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- fixedly connected
- earplug
- fixed block
- rotation
- magnetic resonance
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- 238000005481 NMR spectroscopy Methods 0.000 title abstract description 15
- 101001010782 Drosophila melanogaster Fez family zinc finger protein erm Proteins 0.000 claims description 12
- 238000002595 magnetic resonance imaging Methods 0.000 claims 1
- 238000007689 inspection Methods 0.000 abstract description 10
- 230000008859 change Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 8
- 238000013421 nuclear magnetic resonance imaging Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000036541 health Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002887 superconductor Substances 0.000 description 1
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- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
The utility model discloses an earplug for nuclear magnetic resonance image inspection, including crooked connecting rod, the first fixed block of the equal fixedly connected with in both ends of crooked connecting rod, the first telescopic link of lower fixed surface fixedly connected with of first fixed block, the one end fixedly connected with second fixed block of first telescopic link, the front of second fixed block and the first axis of rotation of the equal fixedly connected with in the back, the both sides on first axis of rotation surface are all rotated and are connected with the dwang, the inside rotation of dwang one side is connected with the second axis of rotation. This an earplug for nuclear magnetic resonance image inspection, through the setting of second telescopic link, rubber pad, semicircle joint ring isotructure, when needs change used earplug, the recess on the rubber pad is buckled to the finger, and expanding spring is compressed, does not have the resistance of rubber pad this moment to make semicircle joint ring stretch out and draw back backward by the second telescopic link, and the earplug obtains sufficient space and makes it can take off and change new earplug.
Description
Technical Field
The utility model relates to a nuclear magnetic resonance technology field specifically is an earplug for nuclear magnetic resonance image inspection.
Background
Nuclear magnetic resonance is a physical process that nuclear magnetic moment is not zero, the spin energy level generates Zeeman splitting under the action of external magnetic field, resonance absorbs radio frequency radiation of a certain frequency, nuclear magnetic resonance spectroscopy is a branch of spectroscopy, the resonance frequency is in a radio frequency wave band, corresponding transition is transition of nuclear spin on the nuclear Zeeman energy level, inspection becomes a common image inspection mode, the nuclear magnetic resonance imaging technology is a novel image inspection technology and does not influence human health, nuclear magnetic resonance imaging is rapidly developed along with the development of computer technology, electronic circuit technology and superconductor technology, and the nuclear magnetic resonance imaging technology utilizes magnetic field and radio frequency pulse to lead the hydrogen nuclei moving in human tissues to generate nutation to generate radio frequency signals, and the imaging is processed by a computer.
The nuclear magnetic resonance imaging technology is used for examining the health of a human body, wherein the noise generated in the examination process is relieved by using the earplugs, foreign matters are generated on the surfaces of the earplugs after the earplugs are used up by a patient, and the earplugs need to be taken down in time for replacement, so that the earplugs for nuclear magnetic resonance imaging examination are urgently needed.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides an earplug for nuclear magnetic resonance image inspection has solved the problem that proposes in the above-mentioned background art.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an earplug for nuclear magnetic resonance image inspection, includes crooked connecting rod, the first fixed block of the equal fixedly connected with in both ends of crooked connecting rod, the first telescopic link of lower fixed surface fixedly connected with of first fixed block, the one end fixedly connected with second fixed block of first telescopic link, the front of second fixed block and the first axis of rotation of the equal fixedly connected with in the back, the both sides on first axis of rotation surface all rotate and are connected with the dwang, the inside rotation of dwang one side is connected with the second axis of rotation.
Optionally, both ends of the second rotating shaft are fixedly connected with third fixing blocks, and one side face of each third fixing block is fixedly connected with an earmuff.
Optionally, the edge of one side face of each earmuff is fixedly connected with a soft cushion, and a placing groove is formed in one side face of each earmuff.
Optionally, both sides of the inner wall of the placement groove are fixedly connected with fixing devices, and earplugs are lapped on the back surfaces of the fixing devices.
Optionally, the fixing device comprises a second telescopic rod, one end of the second telescopic rod is fixedly connected with a connecting block, and the upper surface and the lower surface of the connecting block are fixedly connected with telescopic springs.
Optionally, one end of the telescopic spring is fixedly connected with a rubber pad, the back of the connecting block is fixedly connected with a fixing rod, and one end of the fixing rod is fixedly connected with a semicircular clamping ring.
(III) advantageous effects
The utility model provides an earplug for nuclear magnetic resonance image inspection possesses following beneficial effect:
this an earplug for nuclear magnetic resonance image inspection, through the setting of second telescopic link, rubber pad, semicircle joint ring isotructure, when needs change used earplug, the recess on the rubber pad is buckled to the finger, and expanding spring is compressed, does not have the resistance of rubber pad this moment to make semicircle joint ring stretch out and draw back backward by the second telescopic link, and the earplug obtains sufficient space and makes it can take off and change new earplug.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;
FIG. 3 is an enlarged schematic view of the structure of FIG. 1 at B according to the present invention;
fig. 4 is a schematic structural view of the fixing device of the present invention.
In the figure: 1. bending the connecting rod; 2. a first fixed block; 3. a first telescopic rod; 4. a second fixed block; 5. a first rotating shaft; 6. rotating the rod; 7. a second rotating shaft; 8. a third fixed block; 9. ear muffs; 10. a soft cushion; 11. a placement groove; 12. a fixing device; 1201. a second telescopic rod; 1202. connecting blocks; 1203. a tension spring; 1204. a rubber pad; 1205. fixing the rod; 1206. a semicircular clamping ring; 13. an earplug.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: an earplug for nuclear magnetic resonance image examination, which comprises a bending connecting rod 1, wherein both ends of the bending connecting rod 1 are fixedly connected with a first fixed block 2, the lower surface of the first fixed block 2 is fixedly connected with a first telescopic rod 3, a patient can use the first telescopic rod 3 to adjust the earplug 13 up and down when wearing the earplug, so that the earplug 13 can be normally worn, one end of the first telescopic rod 3 is fixedly connected with a second fixed block 4, the front surface and the back surface of the second fixed block 4 are fixedly connected with a first rotating shaft 5, both sides of the surface of the first rotating shaft 5 are rotatably connected with a rotating rod 6, the inner part of one side of the rotating rod 6 is rotatably connected with a second rotating shaft 7, both ends of the second rotating shaft 7 are fixedly connected with a third fixed block 8, one side of the third fixed block 8 is fixedly connected with an earmuff 9, the edge of one side of the earmuff 9 is fixedly connected with a soft cushion 10, the soft cushion 10 is arranged on the earmuff 9, the earmuff 9 is worn by a patient without discomfort, a placing groove 11 is formed in one side face of the earmuff 9, fixing devices 12 are fixedly connected to two sides of the inner wall of the placing groove 11 and comprise second telescopic rods 1201, one end of each second telescopic rod 1201 is fixedly connected with a connecting block 1202, the upper surface of the connecting block 1202 and a telescopic spring 1203 which is fixedly connected to the lower surface, one end of each telescopic spring 1203 is fixedly connected with a rubber pad 1204, the rubber pads 1204 can increase the resistance of the fixing devices 12 when the earplugs are fixed, the earplugs cannot drop easily, the earplugs are convenient to replace, a fixing rod 1205 is fixedly connected to the back of the connecting block 1202, a semicircular clamping ring 1206 is fixedly connected to one end of the fixing rod 1205, and earplugs 13 are lapped on the back of the fixing devices 12.
The utility model discloses in, the device's working procedure as follows:
when the earplug for nuclear magnetic resonance image examination is used, a patient wears the ear muff 9, the second telescopic rod 1201 is used for adjusting to enable the earplug to be worn normally, the earplug 13 is plugged into the ear of the patient, the nuclear magnetic resonance image examination is started, the earplug 13 needs to be replaced after the examination is finished, the finger buckles the groove in the rubber pad 1204, the telescopic spring 1203 is compressed, the resistance of the rubber pad 1204 is not generated at the moment, the semicircular clamping ring 1206 is driven by the second telescopic rod 1201 to stretch backwards, and the earplug 13 obtains enough space to enable the earplug 13 to be taken down and replaced by a new earplug 13.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An earplug for magnetic resonance imaging examination, comprising a curved connecting rod (1), characterized in that: the utility model discloses a crooked connecting rod (1) is fixed to the first fixed block of the equal fixedly connected with in both ends (2), the first telescopic link of lower fixed surface fixedly connected with (3) of first fixed block (2), the one end fixedly connected with second fixed block (4) of first telescopic link (3), the front of second fixed block (4) and the first axis of rotation of the equal fixedly connected with in the back (5), the both sides on first axis of rotation (5) surface are all rotated and are connected with dwang (6), the inside of dwang (6) one side is rotated and is connected with second axis of rotation (7).
2. The ear plug according to claim 1, wherein: the equal fixedly connected with third fixed block (8) in both ends of second axis of rotation (7), a side fixedly connected with ear muff (9) of third fixed block (8).
3. The ear plug according to claim 2, wherein: the edge fixedly connected with cushion (10) of ear muff (9) one side, standing groove (11) have been seted up to the one side of ear muff (9).
4. The ear plug according to claim 3, wherein: both sides of standing groove (11) inner wall all fixedly connected with fixing device (12), earplug (13) have been lapped to the back of fixing device (12).
5. The ear plug according to claim 4, wherein: the fixing device (12) comprises a second telescopic rod (1201), one end of the second telescopic rod (1201) is fixedly connected with a connecting block (1202), and the upper surface and the lower surface of the connecting block (1202) are both fixedly connected with a telescopic spring (1203).
6. The ear plug according to claim 5, wherein: one end of the telescopic spring (1203) is fixedly connected with a rubber pad (1204), the back face of the connecting block (1202) is fixedly connected with a fixing rod (1205), and one end of the fixing rod (1205) is fixedly connected with a semicircular clamping ring (1206).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202123281752.4U CN217066779U (en) | 2021-12-24 | 2021-12-24 | Earplug for nuclear magnetic resonance image examination |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202123281752.4U CN217066779U (en) | 2021-12-24 | 2021-12-24 | Earplug for nuclear magnetic resonance image examination |
Publications (1)
Publication Number | Publication Date |
---|---|
CN217066779U true CN217066779U (en) | 2022-07-29 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202123281752.4U Expired - Fee Related CN217066779U (en) | 2021-12-24 | 2021-12-24 | Earplug for nuclear magnetic resonance image examination |
Country Status (1)
Country | Link |
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CN (1) | CN217066779U (en) |
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2021
- 2021-12-24 CN CN202123281752.4U patent/CN217066779U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220729 |