CN107320241A - A kind of wear-type noise reduction earflap for magnetic resonance imaging - Google Patents
A kind of wear-type noise reduction earflap for magnetic resonance imaging Download PDFInfo
- Publication number
- CN107320241A CN107320241A CN201710610916.2A CN201710610916A CN107320241A CN 107320241 A CN107320241 A CN 107320241A CN 201710610916 A CN201710610916 A CN 201710610916A CN 107320241 A CN107320241 A CN 107320241A
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- China
- Prior art keywords
- metal sleeve
- noise reduction
- magnetic resonance
- wear
- resonance imaging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000002595 magnetic resonance imaging Methods 0.000 title claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 54
- 229910052751 metal Inorganic materials 0.000 claims abstract description 54
- 239000004568 cement Substances 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 16
- 238000009413 insulation Methods 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 4
- 230000009975 flexible effect Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
- A61F11/06—Protective devices for the ears
- A61F11/14—Protective devices for the ears external, e.g. earcaps or earmuffs
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
- A61F11/06—Protective devices for the ears
- A61F11/14—Protective devices for the ears external, e.g. earcaps or earmuffs
- A61F11/145—Protective devices for the ears external, e.g. earcaps or earmuffs electric, e.g. for active noise reduction
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Psychology (AREA)
- Vascular Medicine (AREA)
- Otolaryngology (AREA)
- Acoustics & Sound (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- High Energy & Nuclear Physics (AREA)
- Radiology & Medical Imaging (AREA)
- Pathology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Headphones And Earphones (AREA)
Abstract
The invention discloses a kind of wear-type noise reduction earflap for magnetic resonance imaging, expansion bracket including arc, and the two ends of expansion bracket have been respectively fixedly connected with earmuff housing, metal sleeve extends out from the inwall of earmuff housing, the inner of metal sleeve is provided with Microspeaker, the wire of the Microspeaker is set in the metal sleeve, and is passed from the eyelet on the metal sleeve, and sponges cover is cased with the metal sleeve extended out from earmuff inner walls.The present invention is reasonable in design, novel, simple in construction and is easy to operation, sound insulation is carried out by setting sponges cover to fill in ear hole, work well, support the metal sleeve of sponges cover to be adapted to the ear hole of various human bodies by adjusting simultaneously, improve the reliability of sound insulation, plastic cement cover body can further improve soundproof effect, on this basis noise is eliminated using Dolby circuit plate, the structure of quadruple noise reduction sound insulation is set altogether, worked well, the human body comfort of sponges cover and plastic cement cover body might as well in addition.
Description
Technical field
The invention belongs to technical field of medical instruments, more particularly to a kind of wear-type noise reduction ear for magnetic resonance imaging
Cover.
Background technology
In magnetic resonance scan sequences, very strong noise is produced sometimes, causes the uncomfortable or even fear of patient.If by
Inspection person moves because nervous, and scanning result can produce artifact, influences the effect of image, or even can not judge, it is necessary to rescan.
Decibel produced by research shows magnetic resonance is more than 80 decibels, and this decibel belongs to noise range, and people can produce in such a case
Anxiety, agitation and uneasy and some patientss can still produce such symptom after the environment is departed from a period of time.It is existing in order to change
Shape is, it is necessary to invent a kind of ear plug, and current ear plug has a variety of.
Chinese utility model patent ZL201620418028.1 discloses a kind of ear plug, it be it is a kind of by it is waxed into
Ear plug, shape itself is small and changes with human temperature and changes, can the ear of suitable different patients construct.But structure letter
It is single, part noise control effect, noise-proofing DeGrain can only be played.
Chinese utility model patent ZL201020600170.0 discloses a kind of noiseproof earplug, and the earplug is by protective case and plug
Sub- composition has lubricity in itself, and protection is set on the outer wall of plug, and plug is that filling is soft in a seal cavity, plug
Fiber, one end of plug is fixed with squeezing handle, and earplug is easy to use, comfortable wearing, but simple in construction, can only play part noise control
Effect, noise control effect is also less obvious.
In view of the situation of prior art, designs a kind of comfortable wearing, and soundproof effect is good, sick during magnetic resonance for carrying out
The sound arrester that people wears is necessary, to prevent because noise is impacted to the testing result of patient.
The content of the invention
In view of the defect of prior art, the technical problems to be solved by the invention are to provide a kind of for magnetic resonance imaging
Wear-type noise reduction earflap.
Technical solution of the present invention is as follows：A kind of wear-type noise reduction earflap for magnetic resonance imaging, including arc are flexible
Frame, and the two ends of the expansion bracket have been respectively fixedly connected with earmuff housing, the outer surface of the earmuff housing is provided with noise reduction electricity
Metal sleeve is laterally equipped with road plate and microphone, each earmuff housing, the metal sleeve is using metal wire knitted
Into, and there is plasticity in shape, the outer end of the metal sleeve is connected on knob, and the knob is arranged on the earmuff shell
On the outer wall of body, the metal sleeve extends out from the inwall of the earmuff housing, the inner setting of the metal sleeve
There is Microspeaker, the wire of the Microspeaker is set in the metal sleeve, and is worn from the eyelet on the metal sleeve
Go out, enter in the earmuff housing, sponge is cased with the metal sleeve extended out from the earmuff inner walls
Set.
Using above technical scheme, the support for functioning as mounting ear over body case of expansion bracket, while can be by stretching
Contract to adapt to the head of different human body.Dolby circuit plate is as a kind of existing Dolby circuit element, for being dropped to noise
Low, microphone is used for the sound of outwards outflow patient.The effect of metal sleeve is for supporting Microspeaker, Microspeaker
It can be filled in inside the ear of patient by metal sleeve, while fill on one in patient's ear section at this and be cased with sponges cover,
For playing a part of blocking ear hole, noise insulation.Because the personal feature of the body of each patient is different, therefore it can cause solid
The construction of setting shape fills in ear the inside to the soundproof effect of some people and bad.Therefore by the turn of knob, metal is driven
Sleeve pipe, metal sleeve drives sponges cover to rotate inside ear to adapt to the ear hole of specific individual again, reaches optimal sound insulation effect
Really.Ear hole is filled in order to meet metal sleeve needs, and adapts to by knob rotation the function of ear hole.Therefore metal sleeve
Be made, formed using metal wire knitted, the metal sleeve being knitted to form is flexible and shape-plastic, uses very
It is applicable.The wire of Microspeaker is linked into earmuff housing by the eyelet on metal sleeve, and related circuit and component
It is connected.
Further, it is provided with plastic cement on the soundproof effect to ear, the inwall of the earmuff housing to further improve
Cover body.
Further, it is inserted into inside ear hole and goes for the ease of sponges cover, the sponges cover is tapered.
Further, in order to which expansion bracket is easy to production, and flexible effect, the expansion bracket bag can simply and easily be played
The two independent parts in left and right are included, and left part is provided with the insert of arc, right part, which is accordingly provided with, is available for the insert to insert
In sheath shell section.
Further, in order to reduce production cost, and it is easy to production, the insert is formed by the steel wire bent.
Further, in order to fix expansion bracket in target location, do not allow it to produce in slip, the sheath shell section and be provided with use
In the clip of the fixed insert.
Further, for adaptation of the earmuff housing to human body ear, the earmuff housing is in crescent.
Beneficial effect：The present invention is reasonable in design, novel, simple in construction and is easy to operation, by setting sponges cover plug
Enter ear hole to carry out sound insulation, work well, while supporting the metal sleeve of sponges cover to be adapted to the ear of various human bodies by adjusting
Hole, improves the reliability of sound insulation, and plastic cement cover body can further improve soundproof effect, and Dolby circuit plate is utilized on this basis
Noise is eliminated, the structure of quadruple noise reduction sound insulation is set altogether, worked well, in addition the human body comfort of sponges cover and plastic cement cover body
It is good.
Brief description of the drawings
Fig. 1 is the attachment structure schematic diagram of the present invention.
Fig. 2 is the mounting structure schematic diagram of metal catheter in the present invention.
Fig. 3 is the decomposition texture schematic diagram of expansion bracket in the present invention.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples：
A kind of wear-type noise reduction earflap for magnetic resonance imaging as shown in Figure 1, the expansion bracket 1 with arc, at this
As a kind of preferred structure in embodiment, expansion bracket 1 includes the two independent parts in left and right, and left part is provided with inserting for arc
Enter part 1a, as the further optimization of structure, insert 1a is formed by the steel wire bent.The right part of expansion bracket 1 is accordingly set
Have be available for insert 1a to insert in sheath shell section 1b.The clip 1c for fixing insert 1a is provided with sheath shell section 1b.
The two ends of expansion bracket 1 have been respectively fixedly connected with earmuff housing 2, and earmuff housing 2 is in crescent, and in the inwall of earmuff housing 2
On be provided with plastic cement cover body 9.The outer surface of earmuff housing 2 is provided with Dolby circuit plate 3 and microphone 4, each earmuff housing 2
Metal sleeve 5 laterally is equipped with, the metal sleeve 5 is formed using metal wire knitted, and there is plasticity, the metal in shape
The outer end of sleeve pipe 5 is connected on knob 6, and knob 6 is arranged on the outer wall of earmuff housing 2.Metal sleeve 5 is from earmuff housing 2
Extended out on inwall, the inner of metal sleeve 5 is provided with Microspeaker 7, the wire 7a of the Microspeaker 7 is along the gold
Belong in sleeve pipe 5 and setting, and passed from the eyelet on the metal sleeve 5, entered in earmuff housing 2.From the inwall of earmuff housing 2
Sponges cover 8 is cased with the metal sleeve 5 extended out.For the ease of being inserted into inside ear hole, sponges cover 8 is tapered.
The principle of the present invention and use operate as follows：
The support for functioning as mounting ear over body case 2 of expansion bracket 1, while different human body can be adapted to by stretching
Head.In order to meet the requirement that expansion bracket 1 is flexible, two individual components are employed, the structure type being incorporated to is mutually inserted.It is logical
The insert 1a of the left part of expansion bracket 1 is crossed, is inserted into the sheath shell section 1b of the right part of expansion bracket 1 to realize connection, and insert 1a can be with
The sliding extension in sheath shell section 1b.When sliding into destination locations, insert 1a is fixed by clip 1c, is easy to patient to make
With.Overall expansion bracket 1 is in circular arc, and Dolby circuit plate 3 is generality electronic component in existing one, the meeting on daily microphone
Use, in the present invention, be arranged on earmuff housing 2, for being reduced to noise.Microphone 4 is used for outwards outflow patient
Sound, linked up with the people of outside.The effect of metal sleeve 5 is for supporting Microspeaker 7, to Microspeaker 7
Play a part of skeletal support.Microspeaker 7 can be filled in by metal sleeve 5 inside the ear of patient, while in the plug
Enter and be cased with sponges cover 8 on one in patient's ear section, for playing a part of blocking ear hole, noise insulation.Due to each patient
Body personal feature it is different, therefore the construction of solid shape can be caused to fill in ear the inside to the soundproof effect of some people simultaneously
It is bad.Therefore by the turn of knob 6, metal sleeve 5 is driven, it is next that metal sleeve 5 drives sponges cover 8 to be rotated inside ear again
Specific personal ear hole is adapted to, optimal soundproof effect is reached.Ear hole is filled in order to meet the needs of metal sleeve 5, and is passed through
Knob 6 rotates to adapt to the function of ear hole.Therefore metal sleeve 5 is made, and is formed using metal wire knitted, the gold being knitted to form
Belong to that sleeve pipe 5 is flexible and shape-plastic, use and be applicable very much.In actual production, metal sleeve 5 can not only be adopted
With wire, it would however also be possible to employ tiny bonding jumper is worked out, final effect is to meet that metal sleeve 5 is overall to have support
Skeleton effect, the shape of needs can be also fashioned into the presence of external force.The wire 7a of Microspeaker 7 passes through metal sleeve
Eyelet on 5 is linked into earmuff housing 2, is connected with related circuit and component.By Microspeaker 7 together with sponges cover 8
, it is necessary to first rub sponges cover 8 carefully with the hands when filling in ear hole, then fill in, the sponges cover 8 after loosening can nature expansion, clogging ear hole.
After filling in, before sponges cover 8 does not expand completely, drive metal sleeve 5 into suitable shape to adapt to individual by the turn of knob 6
Ear hole shape, then sponges cover 8 expansion be adapted to ear hole.
Preferred embodiment of the invention described in detail above.It should be appreciated that one of ordinary skill in the art without
Need creative work just can make many modifications and variations according to the design of the present invention.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical scheme, all should be in the protection domain being defined in the patent claims.
Claims (7)
1. a kind of wear-type noise reduction earflap for magnetic resonance imaging, includes the expansion bracket (1) of arc, and the expansion bracket (1)
Two ends be respectively fixedly connected with earmuff housing (2), the outer surface of the earmuff housing (2) be provided with Dolby circuit plate (3) and
Microphone (4), it is characterised in that：Metal sleeve (5) is laterally equipped with each earmuff housing (2), the metal sleeve (5)
Formed using metal wire knitted, and there is plasticity in shape, the outer end of the metal sleeve (5) is connected on knob (6), institute
State knob (6) to be arranged on the outer wall of the earmuff housing (2), inwall of the metal sleeve (5) from the earmuff housing (2)
On extend out, the inner of the metal sleeve (5) is provided with Microspeaker (7), the wire (7a) of the Microspeaker (7)
Set, and passed from the eyelet on the metal sleeve (5) in the metal sleeve (5), enter the earmuff housing (2)
It is interior, it is cased with sponges cover (8) on the metal sleeve (5) extended out from earmuff housing (2) inwall.
2. it is used for the wear-type noise reduction earflap of magnetic resonance imaging as claimed in claim 1, it is characterised in that：The earmuff housing
(2) plastic cement cover body (9) is provided with inwall.
3. it is used for the wear-type noise reduction earflap of magnetic resonance imaging as claimed in claim 1, it is characterised in that：The sponges cover
(8) it is tapered.
4. it is used for the wear-type noise reduction earflap of magnetic resonance imaging as claimed in claim 1, it is characterised in that：The expansion bracket
(1) the two independent parts in left and right are included, and left part is provided with the insert (1a) of arc, right part, which is accordingly provided with, is available for this to insert
Enter part (1a) insertion is in sheath shell section (1b).
5. it is used for the wear-type noise reduction earflap of magnetic resonance imaging as claimed in claim 4, it is characterised in that：The insert
(1a) is formed by the steel wire bent.
6. it is used for the wear-type noise reduction earflap of magnetic resonance imaging as claimed in claim 4, it is characterised in that：The sheath shell section
The clip (1c) for fixing the insert (1a) is provided with (1b).
7. it is used for the wear-type noise reduction earflap of magnetic resonance imaging as claimed in claim 2, it is characterised in that：The earmuff housing
(2) it is in crescent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710610916.2A CN107320241B (en) | 2017-07-25 | 2017-07-25 | A kind of wear-type noise reduction earflap for magnetic resonance imaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710610916.2A CN107320241B (en) | 2017-07-25 | 2017-07-25 | A kind of wear-type noise reduction earflap for magnetic resonance imaging |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107320241A true CN107320241A (en) | 2017-11-07 |
| CN107320241B CN107320241B (en) | 2019-01-15 |
Family
ID=60227484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710610916.2A Active CN107320241B (en) | 2017-07-25 | 2017-07-25 | A kind of wear-type noise reduction earflap for magnetic resonance imaging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107320241B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005044140A2 (en) * | 2003-10-27 | 2005-05-19 | Wayne Lederer | Noise attenuating headset |
| CN2764338Y (en) * | 2004-12-24 | 2006-03-15 | 李沫思 | Portable and adjustable minitype mute earplug |
| CN201040056Y (en) * | 2007-04-20 | 2008-03-26 | 邱长丰 | Ear protective device |
| CN101535829A (en) * | 2006-11-22 | 2009-09-16 | 北欧纽罗实验室股份公司 | Audio apparatus for use withing magnetic resonance imaging systems |
| CN205083774U (en) * | 2015-11-11 | 2016-03-16 | 苏舒 | Noise reduction earphone |
| CN106028224A (en) * | 2016-07-21 | 2016-10-12 | 苏州登堡电子科技有限公司 | Built-in earplug type noise reduction earmuff |
-
2017
- 2017-07-25 CN CN201710610916.2A patent/CN107320241B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005044140A2 (en) * | 2003-10-27 | 2005-05-19 | Wayne Lederer | Noise attenuating headset |
| CN2764338Y (en) * | 2004-12-24 | 2006-03-15 | 李沫思 | Portable and adjustable minitype mute earplug |
| CN101535829A (en) * | 2006-11-22 | 2009-09-16 | 北欧纽罗实验室股份公司 | Audio apparatus for use withing magnetic resonance imaging systems |
| CN201040056Y (en) * | 2007-04-20 | 2008-03-26 | 邱长丰 | Ear protective device |
| CN205083774U (en) * | 2015-11-11 | 2016-03-16 | 苏舒 | Noise reduction earphone |
| CN106028224A (en) * | 2016-07-21 | 2016-10-12 | 苏州登堡电子科技有限公司 | Built-in earplug type noise reduction earmuff |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107320241B (en) | 2019-01-15 |
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| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ren Yande Inventor after: Ren Xuyan Inventor after: Cao Lichao Inventor before: Ren Xuyan Inventor before: Cao Lichao Inventor before: Ren Yande |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20181128 Address after: 266000 Affiliated Hospital of Qingdao University, No. 16 Jiangsu Road, Southern District of Qingdao City, Shandong Province Applicant after: Affiliated Hospital of University Of Qingdao Address before: 271099 No. 223 Daizhong Street, Taishan District, Tai'an City, Shandong Province Applicant before: Ren Xuyan |
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