CN108969194A - A kind of artificial cochlea's internal magnet tool - Google Patents
A kind of artificial cochlea's internal magnet tool Download PDFInfo
- Publication number
- CN108969194A CN108969194A CN201810903015.7A CN201810903015A CN108969194A CN 108969194 A CN108969194 A CN 108969194A CN 201810903015 A CN201810903015 A CN 201810903015A CN 108969194 A CN108969194 A CN 108969194A
- Authority
- CN
- China
- Prior art keywords
- magnet
- push rod
- artificial cochlea
- internal magnet
- internal
- 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.)
- Granted
Links
- 210000003477 cochlea Anatomy 0.000 title claims abstract description 39
- 239000007943 implant Substances 0.000 claims abstract description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000741 silica gel Substances 0.000 claims description 6
- 229910002027 silica gel Inorganic materials 0.000 claims description 6
- 230000033001 locomotion Effects 0.000 claims description 4
- 238000002513 implantation Methods 0.000 abstract description 5
- 238000011017 operating method Methods 0.000 abstract description 3
- 241000237858 Gastropoda Species 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 235000005121 Sorbus torminalis Nutrition 0.000 description 2
- 244000152100 Sorbus torminalis Species 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000003466 welding 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
- A61F11/04—Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense, e.g. through the touch sense
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
- A61N1/0526—Head electrodes
- A61N1/0541—Cochlear electrodes
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Neurology (AREA)
- Cardiology (AREA)
- Radiology & Medical Imaging (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Physiology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Biophysics (AREA)
- Psychology (AREA)
- Vascular Medicine (AREA)
- Prostheses (AREA)
- Dental Prosthetics (AREA)
Abstract
The invention discloses a kind of artificial cochlea's internal magnet tool, one end of push rod is connect with push plate, and the other end of push rod is provided with the push rod screw thread, and push rod screw thread and magnetic portion screw thread coincide, push rod connected with magnetic part；Limiting section is arranged in spring described in push rod housing, sheath and outer sleeve described in spring overcoat, sheath one end, offsets with the stop collar being arranged outside outer sleeve, prevents sheath when springback from separating with spring；Knob is arranged between threaded portion and outer sleeve；Choke one end housing is provided with the window outside the magnetic part and threaded portion, and for placing artificial cochlea's internal magnet, the choke other end is elastic necking setting, and reentrant diameter places mouth with artificial cochlear implant internal magnet and matches.The implantation of artificial cochlea's internal magnet and taking-up are combined together by the present invention, realize a tool multiple functions, simplify operating procedure, shorten operating time, reduce patient's pain, easy to operate, are brought great convenience to operation.
Description
Technical field
The invention belongs to medical instruments field, in particular to a kind of artificial cochlea's internal magnet tool.
Background technique
Some implantable medical devices, such as cochlea implantation system may include subcutaneous magnet, be used for multiple outsides
Element such as transmission coil is kept in place.However, these magnet and various medical imaging systems are incompatible, such as big magnetic
(MRI) is imaged in field nuclear magnetic resonance.Magnet meeting demagnetization or warp image, or even patient is damaged.In order to have plant
The patient for entering magnet carries out MRI with it, it is necessary first to which surgical operation before being imaged removes the magnet, then just can be into
Row imaging, after this, the surgical operation after needing another to be imaged puts back to the magnet.In addition to these inconveniences, also
There are the removal and replacement of magnet during routine use.The size of the magnet is that surgeon is difficult to the roundlet for grasping and operating
The equipment of disk shape or bead shape.In the prior art, removable magnet is located at and has on the upper surface of implanted coil
In the silica gel of one opening, magnet is removed and is put back to by common tweezers and completes.
Summary of the invention
Technical problem solved by the invention is: how to simplify operating procedure, shortens operating time；Reduce patient's pain；
How implantation and taking-up that suitable tool carry out artificial cochlea internal magnet are designed.
To solve the above-mentioned problems, technical scheme is as follows: a kind of artificial cochlea's internal magnet tool, including pushes away
Plate, push rod, sheath, spring, stop collar, limiting section, outer sleeve, knob, threaded portion, magnetic part, window, choke, push rod spiral shell
Line, magnetic portion screw thread, wherein
One end of the push rod is connect with push plate, and the other end of push rod is provided with the push rod screw thread, push rod screw thread and institute
It states magnetic portion screw thread to coincide, push rod is connected with the magnetic part；
Limiting section is arranged in spring described in the push rod housing, sheath and outer sleeve described in spring overcoat, described sheath one end,
It offsets with the stop collar being arranged outside the outer sleeve, prevents sheath when springback from separating with spring；
The knob is arranged between threaded portion and outer sleeve；Described choke one end housing is in the magnetic part and screw thread
Outside portion, it is provided with the window, for placing artificial cochlea's internal magnet, the choke other end is elastic necking setting,
Reentrant diameter places mouth with artificial cochlear implant internal magnet and matches.
Preferably, bush whorl is provided with outside the outer sleeve, the stop collar is adjustable by bush whorl and outer sleeve
Position connection.
Preferably, the stop collar periphery is provided with anti-skid chequer.
Preferably, the magnetic part includes magnet pushing block, the first magnet cover board and the first magnet, the first magnet setting
Inside magnet pushing block, the first magnet cover board closes the first magnet cap, and flushes with the surface of magnet pushing block, the first magnet
Magnetic attraction be less than artificial cochlea's internal magnet magnetic attraction.
Preferably, the magnetic part includes magnet suction block, the second magnet cover board and the second magnet, the second magnet setting
Inside magnet pushing block, the second magnet cover board closes the first magnet cap, and forms a groove, the groove with magnet suction block
Diameter be 1.1-1.4 times of diameter of artificial cochlea's internal magnet, the magnetic attraction of the second magnet is at least artificial cochlea's internal magnet magnetic
1.3 times of power.
Preferably, a sleeve groove is arranged in the barrel of the outer sleeve, and when pushing and pulling push plate, the limiting section is in sleeve groove
Interior movement.
Preferably, the choke includes several necking elastic slices, and the end volume of the necking elastic slice sticks up, is used for artitificial ear
Snail implant wraps up the silica gel expansion of internal magnet, to expose internal magnet；When the push rod pushes and pulls the magnetic part, magnetic part is contracting
Mouth elastic slice internal motion.
The beneficial effects of the present invention are: the implantation to artificial cochlea's internal magnet and taking-up be not good in the prior art
Solution can only be carried out with brute-force, it is long undoubtedly will lead to the operating time in surgical procedure, and can bring secondary injury.This hair
It is bright to be combined together the implantation of artificial cochlea's internal magnet and taking-up, a tool multiple functions are realized, operating procedure is simplified,
Shorten operating time, reduces patient's pain, it is easy to operate, it brings great convenience to operation.
Detailed description of the invention
Fig. 1 is the cross-sectional view of artificial cochlea's internal magnet tool of a specific embodiment of the invention；
Fig. 2 is push plate and the push rod perspective view of artificial cochlea's internal magnet tool of a specific embodiment of the invention；
Fig. 3 is the magnetic part cross-sectional view of artificial cochlea's internal magnet tool of a specific embodiment of the invention；
Fig. 4 is the magnetic part cross-sectional view of artificial cochlea's internal magnet tool of another specific embodiment of the present invention；
Fig. 5 is the outer sleeve portions perspective view of artificial cochlea's internal magnet tool of a specific embodiment of the invention；
Fig. 6 is the choke perspective view of artificial cochlea's internal magnet tool of a specific embodiment of the invention.
Specific embodiment
Below in conjunction with attached drawing, a preferred embodiment of the present invention will be described in detail.
Referring to Fig. 1, a kind of artificial cochlea's internal magnet tool, including push plate 1, push rod 2, sheath 3, spring 4, stop collar 5, limit
Position portion 6, outer sleeve 7, knob 9, threaded portion 10, magnetic part, window 12, choke 13, push rod screw thread 16, magnetic portion screw thread 17,
In,
Referring to fig. 2, one end of push rod 2 is connect with push plate 1, can be welding, riveting or threaded connection；Push rod 2 it is another
End is provided with push rod screw thread 16, and push rod screw thread 16 and magnetic portion screw thread 17 coincide, push rod 2 connected with magnetic part；
2 outer casing spring 4 of push rod, 4 housing sheath 3 of spring and outer sleeve 7, limiting section 6 is arranged in 3 one end of sheath, with outer sleeve 7
The stop collar 5 of outer setting offsets, and sheath 3 is separated with spring 4 when preventing spring 4 from rebounding；
Knob 9 is arranged between threaded portion 10 and outer sleeve 7；13 one end housing of choke is outside magnetic part and threaded portion 10
Portion is provided with window 12, and for placing artificial cochlea's internal magnet, 13 other end of choke is elastic necking setting, necking
Diameter places mouth with artificial cochlear implant internal magnet and matches.
Bush whorl 8 is provided with outside outer sleeve 7, stop collar 5 is connect by bush whorl 8 with 7 position-adjustable of outer sleeve.Limit
5 periphery of ring is provided with anti-skid chequer.
Referring to Fig. 3, the magnetic part in a specific embodiment of the invention includes magnet pushing block 11, the first magnet cover board 14 and the
One magnet 15, the first magnet 15 are arranged inside magnet pushing block 11, and the first magnet 15 is covered and closed by the first magnet cover board 14, and and magnetic
The surface of iron pushing block 11 flushes, and the magnetic attraction of the first magnet 15 is less than artificial cochlea's internal magnet magnetic attraction.
When placing artificial cochlea's internal magnet, internal magnet is put into choke 13 by window 12, the first magnet 15 will be interior
Magnet is sucked, and choke 13 is directed at the silica gel circular hole at artificial cochlear implant internal magnet position, holds knob 9, promotion pushes away
Internal magnet is put into artificial cochlear implant by plate 1 with magnetic part.
Referring to fig. 4, the magnetic part in another specific embodiment of the present invention includes magnet suction block 19,21 and of the second magnet cover board
Second magnet 22, the second magnet 22 are arranged inside magnet pushing block 11, and the first magnet 15 is covered and closed by the second magnet cover board 21, and with
Magnet suction block 19 forms a groove, and the diameter of groove is 1.1-1.4 times of diameter of artificial cochlea's internal magnet, the magnetic of the second magnet 22
Power is at least 1.3 times of artificial cochlea's internal magnet magnetic attraction.
When taking out artificial cochlea's internal magnet, choke 13 is directed at the silica gel at artificial cochlear implant internal magnet position
Circular hole holds knob 9, pushes push plate 1, internal magnet is sucked with magnetic part, loosens push plate 1, spring 4 rebounds, by magnetic part band
Dynamic internal magnet retracts, and internal magnet is removed from groove.
Referring to Fig. 5, a sleeve groove 24 is arranged in the barrel of the outer sleeve 7 in a specific embodiment of the invention, pushes away in push-and-pull
When plate 1, limiting section 6 moves in sleeve groove 24.
Referring to Fig. 6, choke 13 includes several necking elastic slices 27, and the end volume of necking elastic slice 27 sticks up, is used for artitificial ear
Snail implant wraps up the silica gel bore expansion of internal magnet, to expose internal magnet；When push rod 2 pushes and pulls magnetic part, magnetic part is in necking bullet
27 internal motion of piece.
Finally, it is stated that preferred embodiment above is only used to illustrate the technical scheme of the present invention and not to limit it, although logical
It crosses above preferred embodiment the present invention is described in detail, however, those skilled in the art should understand that, can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (7)
1. a kind of artificial cochlea's internal magnet tool, which is characterized in that including push plate, push rod, sheath, spring, stop collar, limit
Portion, outer sleeve, knob, threaded portion, magnetic part, window, choke, push rod screw thread, magnetic portion screw thread, wherein
One end of the push rod is connect with push plate, and the other end of push rod is provided with the push rod screw thread, push rod screw thread and the magnetic
Portion's screw thread coincide, and push rod is connected with the magnetic part；
Spring described in the push rod housing, sheath and outer sleeve described in spring overcoat, limiting section is arranged in described sheath one end, with institute
It states the stop collar being arranged outside outer sleeve to offset, prevents sheath when springback from separating with spring；
The knob is arranged between threaded portion and outer sleeve；Described choke one end housing is outside the magnetic part and threaded portion
Portion is provided with the window, and for placing artificial cochlea's internal magnet, the choke other end is elastic necking setting, necking
Diameter places mouth with artificial cochlear implant internal magnet and matches.
2. artificial cochlea's internal magnet tool according to claim 1, which is characterized in that be provided with sleeve outside the outer sleeve
Screw thread, the stop collar are connect by bush whorl with outer sleeve position-adjustable.
3. artificial cochlea's internal magnet tool according to claim 1, which is characterized in that the stop collar periphery is provided with anti-
Sliding line.
4. artificial cochlea's internal magnet tool according to claim 1, which is characterized in that the magnetic part includes that magnet pushes away
Block, the first magnet cover board and the first magnet, first magnet are arranged inside magnet pushing block, and the first magnet cover board is by the
One magnet cap is closed, and is flushed with the surface of magnet pushing block, and the magnetic attraction of the first magnet is less than artificial cochlea's internal magnet magnetic attraction.
5. artificial cochlea's internal magnet tool according to claim 1, which is characterized in that the magnetic part includes that magnet is inhaled
Block, the second magnet cover board and the second magnet, second magnet are arranged inside magnet pushing block, and the second magnet cover board is by the
One magnet cap is closed, and forms a groove with magnet suction block, and the diameter of the groove is artificial cochlea's internal magnet diameter 1.1-1.4
Times, the magnetic attraction of the second magnet is at least 1.3 times of artificial cochlea's internal magnet magnetic attraction.
6. artificial cochlea's internal magnet tool according to claim 1, which is characterized in that the barrel setting one of the outer sleeve
Sleeve groove, when pushing and pulling push plate, the limiting section moves in sleeve groove.
7. artificial cochlea's internal magnet tool according to claim 1, which is characterized in that the choke includes several neckings
The end volume of elastic slice, the necking elastic slice is stuck up, for expanding the silica gel of artificial cochlear implant package internal magnet, within exposing
Magnet；When the push rod pushes and pulls the magnetic part, magnetic part is in necking elastic slice internal motion.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810903015.7A CN108969194B (en) | 2018-08-09 | 2018-08-09 | Magnet tool in artificial cochlea |
| PCT/CN2019/096647 WO2020029765A1 (en) | 2018-08-09 | 2019-07-19 | Tool for magnet in artificial cochlea |
| RU2021102060A RU2764836C1 (en) | 2018-08-09 | 2019-07-19 | Tool for installing and removing an internal magnet in a cochlear implant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810903015.7A CN108969194B (en) | 2018-08-09 | 2018-08-09 | Magnet tool in artificial cochlea |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108969194A true CN108969194A (en) | 2018-12-11 |
| CN108969194B CN108969194B (en) | 2024-04-09 |
Family
ID=64555003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810903015.7A Active CN108969194B (en) | 2018-08-09 | 2018-08-09 | Magnet tool in artificial cochlea |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN108969194B (en) |
| RU (1) | RU2764836C1 (en) |
| WO (1) | WO2020029765A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020029765A1 (en) * | 2018-08-09 | 2020-02-13 | 浙江诺尔康神经电子科技股份有限公司 | Tool for magnet in artificial cochlea |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114286262B (en) * | 2021-11-18 | 2024-04-12 | 贵州电网有限责任公司 | Magnetic sound signal acquisition cochlea |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101862229A (en) * | 2010-06-13 | 2010-10-20 | 杭州诺尔康神经电子科技有限公司 | Artificial cochlea |
| US20150087892A1 (en) * | 2013-09-26 | 2015-03-26 | Oticon Medical A/S | Implantable device with removable magnet |
| CN206214572U (en) * | 2016-06-24 | 2017-06-06 | 沈阳弘鼎康医疗器械有限公司 | A kind of artificial cochlear implant |
| CN107308543A (en) * | 2017-07-03 | 2017-11-03 | 浙江诺尔康神经电子科技股份有限公司 | A kind of artificial cochlea's magnet and device |
| CN209137081U (en) * | 2018-08-09 | 2019-07-23 | 浙江诺尔康神经电子科技股份有限公司 | A kind of artificial cochlea's internal magnet tool |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101636131B (en) * | 2007-03-07 | 2012-03-14 | Med-El电气医疗器械有限公司 | Implantable device with removable magnet |
| CA2702352C (en) * | 2007-10-12 | 2015-06-02 | Med-El Elektromedizinische Geraete Gmbh | Implant magnet insertion and removal tools |
| AU2009314139A1 (en) * | 2008-11-12 | 2011-06-30 | Advanced Bionics, Llc | Cochlear implant systems including magnetic flux redirection means |
| WO2014164023A1 (en) * | 2013-03-13 | 2014-10-09 | Advanced Bionics Ag | Magnet installation systems and methods for use with cochlear implants |
| WO2015195359A1 (en) * | 2014-06-16 | 2015-12-23 | Med-El Elektromedizinische Geraete Gmbh | Implant magnet insertion and removal tools |
| CN204487448U (en) * | 2015-03-26 | 2015-07-22 | 重庆大学 | A kind of screwdriver of controllable magnetic |
| CN108969194B (en) * | 2018-08-09 | 2024-04-09 | 浙江诺尔康神经电子科技股份有限公司 | Magnet tool in artificial cochlea |
-
2018
- 2018-08-09 CN CN201810903015.7A patent/CN108969194B/en active Active
-
2019
- 2019-07-19 WO PCT/CN2019/096647 patent/WO2020029765A1/en active Application Filing
- 2019-07-19 RU RU2021102060A patent/RU2764836C1/en active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101862229A (en) * | 2010-06-13 | 2010-10-20 | 杭州诺尔康神经电子科技有限公司 | Artificial cochlea |
| US20150087892A1 (en) * | 2013-09-26 | 2015-03-26 | Oticon Medical A/S | Implantable device with removable magnet |
| CN206214572U (en) * | 2016-06-24 | 2017-06-06 | 沈阳弘鼎康医疗器械有限公司 | A kind of artificial cochlear implant |
| CN107308543A (en) * | 2017-07-03 | 2017-11-03 | 浙江诺尔康神经电子科技股份有限公司 | A kind of artificial cochlea's magnet and device |
| CN209137081U (en) * | 2018-08-09 | 2019-07-23 | 浙江诺尔康神经电子科技股份有限公司 | A kind of artificial cochlea's internal magnet tool |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020029765A1 (en) * | 2018-08-09 | 2020-02-13 | 浙江诺尔康神经电子科技股份有限公司 | Tool for magnet in artificial cochlea |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108969194B (en) | 2024-04-09 |
| WO2020029765A1 (en) | 2020-02-13 |
| RU2764836C1 (en) | 2022-01-21 |
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Inventor after: Tan Zhiping Inventor after: Zhou Daomin Inventor after: Luo Nianming Inventor after: Qi Shuqi Inventor before: Tan Zhiping Inventor before: Zhou Daoming Inventor before: Luo Nianming Inventor before: Qi Shuqi |
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