CN107320241B - 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
- CN107320241B CN107320241B CN201710610916.2A CN201710610916A CN107320241B CN 107320241 B CN107320241 B CN 107320241B CN 201710610916 A CN201710610916 A CN 201710610916A CN 107320241 B CN107320241 B CN 107320241B
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- China
- Prior art keywords
- metal sleeve
- noise reduction
- magnetic resonance
- wear
- resonance imaging
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- 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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Classifications
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- 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
Abstract
The invention discloses a kind of wear-type noise reduction earflaps for magnetic resonance imaging, expansion bracket including arc, and the both ends of expansion bracket have been respectively fixedly connected with earmuff shell, metal sleeve extends out from the inner wall of earmuff shell, the inner end of metal sleeve is provided with Microspeaker, the conducting wire of the Microspeaker is arranged in the metal sleeve, and is pierced by from the eyelet on the metal sleeve, is cased with sponges cover on the metal sleeve to extend out from earmuff inner walls.The present invention has rational design, novel, structure is simple and is convenient for operation, ear hole is filled in by setting sponges cover to carry out sound insulation, it works well, it is adapted to the ear hole of various human bodies by adjusting the metal sleeve of support sponges cover simultaneously, improves the reliability of sound insulation, plastic cement cover can be further improved soundproof effect, noise is eliminated using Dolby circuit plate on this basis, the structure of quadruple noise reduction sound insulation is set altogether, is worked well, in addition the human body comfort of sponges cover and plastic cement cover might as well.
Description
Technical field
The invention belongs to the field of medical instrument technology, in particular to a kind of wear-type noise reduction ear for magnetic resonance imaging
Cover.
Background technique
In magnetic resonance scan sequences, very strong noise is generated sometimes, causes the discomfort or even fear of patient.If by
Inspection person moves because of anxiety, and scanning result can generate artifact, influences the effect of image, or even can not judge, needs to rescan.
Research shows that decibel caused by magnetic resonance is more than 80 decibels, this decibel belongs to noise range, and people can generate in such a case
Anxiety, agitation and uneasiness and some patientss can still generate such symptom in a period of time after being detached from the environment.It is existing in order to change
Shape needs to invent a kind of ear plug, at present there are many ear plugs.
Chinese utility model patent ZL201620418028.1 discloses a kind of ear plug, it be it is a kind of by it is waxed at
Ear plug, shape itself it is small and with human temperature change and change, can be suitable for different patients ear construction.But structure letter
It is single, part noise control can only be played the role of, noise-proofing effect is unobvious.
Chinese utility model patent ZL201020600170.0 discloses a kind of noiseproof earplug, and the earplug is by protective case and plug
Son, which is constituted, itself has lubricity, and protection is set on the outer wall of plug, and plug is a seal cavity, and filling is soft in plug
Fiber, one end of plug are fixed with squeezing handle, and earplug is easy to use, comfortable wearing, but structure is simple, can only play part noise control
Effect, noise control effect are also less obvious.
The case where in view of the prior art, designs a kind of comfortable wearing, and soundproof effect is good, sick when for carrying out magnetic resonance
The sound arrester that people wears is necessary, to prevent from impacting due to testing result of the noise to patient.
Summary of the invention
In view of the defect of the prior art, technical problem to be solved by the invention is 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, flexible including arc
Frame, and the both ends of the expansion bracket have been respectively fixedly connected with earmuff shell, the outer surface of the earmuff shell is equipped with noise reduction electricity
Road plate and microphone are laterally equipped with metal sleeve on each earmuff shell, the metal sleeve using metal wire knitted and
At, and there is plasticity in shape, the outer end of the metal sleeve is connected on knob, and the knob is arranged in the earmuff shell
On the outer wall of body, the metal sleeve extends out from the inner wall of the earmuff shell, the inner end setting of the metal sleeve
There is Microspeaker, the conducting wire of the Microspeaker is arranged in the metal sleeve, and wears from the eyelet on the metal sleeve
Out, it enters in the earmuff shell, is cased with sponge on the metal sleeve to extend out from the earmuff inner walls
Set.
Using above technical scheme, the bracket for functioning as mounting ear over body case of expansion bracket, while can be by stretching
It contracts to adapt to the head of different human body.Dolby circuit plate is as a kind of existing Dolby circuit element, for dropping to noise
Low, microphone is used to the sound of outflow patient outward.The effect of metal sleeve is for supporting Microspeaker, Microspeaker
It can be filled in inside the ear of patient by metal sleeve, while filling on one in patient's ear section and be cased with sponges cover at this,
For playing the role of blocking ear hole, noise insulation.Since the personal feature of the body of each patient is different, will cause solid
The construction of setting shape fills in ear the inside to the soundproof effect of certain people and bad.Therefore by the turn of knob, metal is driven
Casing, metal sleeve drive sponges cover to rotate inside ear again to adapt to the ear hole of specific individual, reach optimal sound insulation effect
Fruit.It needs to fill in ear hole to meet metal sleeve, and adapts to the function of ear hole by knob rotation.Therefore metal sleeve
Be made, formed using metal wire knitted, the metal sleeve being knitted to form have elasticity and shape-plastic, use very
It is applicable in.The conducting wire of Microspeaker is linked into earmuff shell by the eyelet on metal sleeve and relevant circuit and component
It is connected.
Further, in order to further increase the soundproof effect to ear, plastic cement is provided on the inner wall of the earmuff shell
Cover.
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 produce, and flexible effect can be simply and easily played, the expansion bracket packet
The two independent parts in left and right are included, and left part is provided with the insertion piece of arc, right part is accordingly equipped with for insertion piece insertion
Be in sheath shell section.
Further, in order to reduce production cost, and it is easy to produce, the insertion piece is formed by the steel wire bent.
Further, it in order to fix expansion bracket in target position, does not allow it to generate sliding, is arranged in the sheath shell section useful
In the fixing buckle of the fixation insertion piece.
Further, in order to which earmuff shell is to the adaptation of human body ear, the earmuff shell is in crescent.
The utility model has the advantages that the present invention has rational design, novel, structure is simple and is convenient for operation, passes through and sponges cover plug is set
Enter ear hole to carry out sound insulation, work well, while by adjusting the ear for supporting the metal sleeve of sponges cover to be adapted to various human bodies
Hole improves the reliability of sound insulation, and plastic cement cover can be further improved soundproof effect, utilizes Dolby circuit plate on this basis
Noise is eliminated, the structure of quadruple noise reduction sound insulation is set altogether, is worked well, in addition the human body comfort of sponges cover and plastic cement cover
It is good.
Detailed description of the invention
Fig. 1 is attachment structure schematic diagram of the 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.
Specific embodiment
Present invention will be further explained below with reference to the attached 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
Structure as one preferred 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 advanced optimizing for structure, insertion piece 1a is formed by the steel wire bent.1 right part of expansion bracket is accordingly set
Have for insertion piece 1a insertion in sheath shell section 1b.The fixing buckle 1c for fixing insertion piece 1a is provided on sheath shell section 1b.
The both ends of expansion bracket 1 have been respectively fixedly connected with earmuff shell 2, and earmuff shell 2 is in crescent, and in the inner wall of earmuff shell 2
On be provided with plastic cement cover 9.The outer surface of earmuff shell 2 is equipped with Dolby circuit plate 3 and microphone 4, on each earmuff shell 2
It laterally is equipped with metal sleeve 5, which is formed using metal wire knitted, and has plasticity, the metal in shape
The outer end of casing 5 is connected on knob 6, and knob 6 is arranged on the outer wall of earmuff shell 2.Metal sleeve 5 is from earmuff shell 2
It extends out on inner wall, the inner end of metal sleeve 5 is provided with Microspeaker 7, and the conducting wire 7a of the Microspeaker 7 is along the gold
Belong to setting in casing 5, and be pierced by from the eyelet on the metal sleeve 5, is entered in earmuff shell 2.From 2 inner wall of earmuff shell
Sponges cover 8 is cased on the metal sleeve 5 to extend 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 bracket 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 flexible requirement of expansion bracket 1, two individual components are used, the structure type being incorporated to is mutually inserted.It is logical
The insertion piece 1a for crossing 1 left part of expansion bracket is inserted into the sheath shell section 1b of 1 right part of expansion bracket to realize connection, and insertion piece 1a can be with
The sliding extension in sheath shell section 1b.When sliding into destination locations, insertion piece 1a is fixed by fixing buckle 1c, is made convenient for patient
With.Expansion bracket 1 is whole to be arc-shaped, and Dolby circuit plate 3 is generality electronic component in existing one, the meeting on daily microphone
It uses, in the present invention, is arranged on earmuff shell 2, for being reduced to noise.Microphone 4 is used to outflow patient outward
Sound, linked up with the people of outside.The effect of metal sleeve 5 is for supporting Microspeaker 7, to Microspeaker 7
Play the role 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 the role of blocking ear hole, noise insulation.Due to each patient
Body personal feature it is different, therefore the construction that will cause fixed shape fills in ear the inside to the soundproof effect of certain people simultaneously
It is bad.Therefore the turn for passing through knob 6 drives metal sleeve 5, and it is next that metal sleeve 5 drives sponges cover 8 to rotate inside ear again
Specific personal ear hole is adapted to, optimal soundproof effect is reached.It needs to fill in ear hole to meet metal sleeve 5, and passes 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
Belonging to casing 5 has elasticity and shape-plastic, uses and is applicable in very much.In actual production, metal sleeve 5 can not only be adopted
It with wire, can also be worked out using tiny metal strip, final effect is to be able to satisfy 5 entirety of metal sleeve to have support
Skeleton effect, can also fashion into the shape of needs under the effect of external force.The conducting wire 7a of Microspeaker 7 passes through metal sleeve
Eyelet on 5 is linked into earmuff shell 2 to be connected with relevant circuit and component.By Microspeaker 7 together with sponges cover 8
When filling in ear hole, needs first to rub sponges cover 8 carefully with the hands, then fill in, the meeting nature expansion of sponges cover 8 after loosening, clogging ear hole.
After filling in, before sponges cover 8 does not expand completely, metal sleeve 5 is driven to adapt to individual at suitable shape by 6 turn of knob
Ear hole shape, then sponges cover 8 expansion be adapted to ear hole.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.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 solution, all should be within the scope of protection determined by the claims.
Claims (7)
1. a kind of wear-type noise reduction earflap for magnetic resonance imaging, the expansion bracket (1) including arc, and the expansion bracket (1)
Both ends be respectively fixedly connected with earmuff shell (2), the outer surface of the earmuff shell (2) be equipped with Dolby circuit plate (3) and
Microphone (4), it is characterised in that: be laterally equipped with metal sleeve (5) on each earmuff shell (2), the metal sleeve (5)
It is 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
It states knob (6) to be arranged on the outer wall of the earmuff shell (2), inner wall of the metal sleeve (5) from the earmuff shell (2)
On extend out, the inner end of the metal sleeve (5) is provided with Microspeaker (7), the conducting wire (7a) of the Microspeaker (7)
The setting in the metal sleeve (5), and be pierced by from the eyelet on the metal sleeve (5), enter the earmuff shell (2)
It is interior, sponges cover (8) are cased on the metal sleeve (5) to extend out from earmuff shell (2) inner wall,
It by the turn of knob (6), drives metal sleeve (5), metal sleeve drives sponges cover (8) to rotate again；
Being made for metal sleeve, is formed using metal wire knitted, and the metal sleeve being knitted to form has elasticity and shape-plastic；
Metal sleeve has the skeleton effect of support, can fashion into the shape of needs under the effect of external force.
2. being used for the wear-type noise reduction earflap of magnetic resonance imaging as described in claim 1, it is characterised in that: the earmuff shell
(2) plastic cement cover (9) are provided on inner wall.
3. being used for the wear-type noise reduction earflap of magnetic resonance imaging as described in claim 1, it is characterised in that: the sponges cover
(8) tapered.
4. being used for the wear-type noise reduction earflap of magnetic resonance imaging as described in claim 1, it is characterised in that: the expansion bracket
It (1) include the two independent parts in left and right, and left part is provided with the insertion piece (1a) of arc, right part is accordingly equipped with to be inserted for this
Enter part (1a) insertion is in sheath shell section (1b).
5. being used for the wear-type noise reduction earflap of magnetic resonance imaging as claimed in claim 4, it is characterised in that: the insertion piece
(1a) is formed by the steel wire bent.
6. being 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 fixing buckle (1c) for fixing the insertion piece (1a) is provided on (1b).
7. being used for the wear-type noise reduction earflap of magnetic resonance imaging as claimed in claim 2, it is characterised in that: the earmuff shell
It (2) 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 CN107320241A (en) | 2017-11-07 |
| CN107320241B true 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 |
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| 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 |
|---|---|
| CN107320241A (en) | 2017-11-07 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| 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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