CN201379669Y - Artificial auditory ossicle - Google Patents
Artificial auditory ossicle Download PDFInfo
- Publication number
- CN201379669Y CN201379669Y CN200920105621U CN200920105621U CN201379669Y CN 201379669 Y CN201379669 Y CN 201379669Y CN 200920105621 U CN200920105621 U CN 200920105621U CN 200920105621 U CN200920105621 U CN 200920105621U CN 201379669 Y CN201379669 Y CN 201379669Y
- Authority
- CN
- China
- Prior art keywords
- link
- stapes
- tympanum
- auditory ossicle
- artificial auditory
- 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.)
- Expired - Lifetime
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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
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/18—Internal ear or nose parts, e.g. ear-drums
-
- 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
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/18—Internal ear or nose parts, e.g. ear-drums
- A61F2002/183—Ear parts
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Pulmonology (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The utility model discloses an artificial auditory ossicle, which comprises eardrum connecting end, a stapes connecting end and a connecting rod for connecting the eardrum connecting end and the stapes connecting end, wherein the eardrum connecting end is a mushroom head with a blunt peripheral edge and is used for contacting with the eardrum, reducing pressure onto the eardrum after planting the artificial auditory ossicle and preventing causing eardrum perforation easily. The stapes connecting end is a cup which can be jointed with the physical formation of a stapes better, wherein an opening of the bottom surface of the stapes connecting end is elliptic, and the rear portion of the cup is equipped with a gap for penetrating stapedial tendons, thereby enabling the artificial auditory ossicle to be connected with the staples more stably with better acoustics. The eardrum connecting end is connected with the staples connecting end via the connecting rod in a sleeve form, thereby facilitating length adjustment according to actual operation needs.
Description
Technical field
This utility model relates to medical instruments field, particularly artificial auditory ossicle.
Background technology
The ear bones of human body is made up of malleus, incus and stapes, is interconnected to form ossicular chain, has acoustic and the effect of amplifying, and is the basis of keeping the human body normal good hearing.Because of a variety of causes, for example chronic otitis media can cause the seriality of ossicular chain to be interrupted or limitation of movement, influences audition.
Wherein, incus and malleus disappearance and stapes retains, cause that ossicular chain interrupts causing deafness, very common in chronic otitis media, Therapeutic Method generally is with artificial auditory ossicle or claims the ear bones prosthesis to implant the disappearance position, two ends link to each other with tympanum with stapes respectively, recover the seriality of ossicular chain, have been equivalent to replace the function of hammer, incus.
Fig. 1 shows a kind of perspective view of existing artificial auditory ossicle, as shown in Figure 1, existing artificial auditory ossicle comprises stapes link 1, connecting rod 2, tympanum link 3, wherein stapes link 1 is that a bottom surface is circular cup cover, be used to be enclosed within on the head of stapes and link to each other with stapes, tympanum link 3 is round-meshed disks, and connecting rod 2 is the solid cylindrical bar, and tympanum link 3 is fixedlyed connected with stapes link 1 by connecting rod 2.Tympanum link 3 is used to prop up manubrium of malleus, or directly is against on the tympanum.
Above artificial auditory ossicle, though can reach the effect that substitutes incus or malleus and incus, when its tympanum link 3 contacted with tympanum, the edge of disk caused the perforation of ear drum easily to the bigger pressure of tympanum generation.
The utility model content
This utility model embodiment provides a kind of artificial auditory ossicle, and is less to diaphragm-operated pressure, is not easy to cause the perforation of ear drum, is particularly suitable for human body malleus and incus disappearance and stapes uses when retaining.
For achieving the above object, the technical solution of the utility model specifically is achieved in that
A kind of artificial auditory ossicle comprises tympanum link, stapes link and is connected the tympanum link and the connecting rod of stapes link, and described tympanum link is the blunt mushroom head of neighboring circle, is used for contacting with tympanum.
Preferably, described stapes link is that the bottom surface opening is oval-shaped cup cover.
Preferably, described cup cover metastomium has the breach that passes for tendo musculi stapedius.
Preferably, described connecting rod connects described tympanum link or described stapes link in telescopic mode.
As seen from the above technical solutions, the tympanum link of this utility model artificial auditory ossicle adopts the mushroom head morphology, the tympanum link of artificial auditory ossicle is contacted with tympanum well, be beneficial to transaudient, a mushroom neighboring circle is blunt, itself and diaphragm-operated engagement edge part can not produce hightension to tympanum, make artificial auditory ossicle less to the pressure that tympanum produces after implantation, are not easy to cause the perforation of ear drum.In addition, oval-shaped cup cover is fitted more with the physiology and appearance of head of stapes, has breach at cup cover metastomium, so that pass tendo musculi stapedius, make artificial auditory ossicle more firm with being connected of stapes, and the acoustic performance is better.Connecting rod connects tympanum link or stapes link in telescopic mode, is convenient to regulate length according to the actual operation needs.
Description of drawings
Fig. 1 is a kind of existing artificial auditory ossicle perspective view;
Fig. 2 is the artificial auditory ossicle stereochemical structure decomposing schematic representation of this utility model embodiment.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, this utility model is further described.
This utility model embodiment mainly is the blunt mushroom head shapes design of tympanum link employing neighboring circle with artificial auditory ossicle, make the contact tympanum that the tympanum link of artificial auditory ossicle can be very level and smooth, make artificial auditory ossicle less to the pressure that tympanum produces after implantation, be not easy to cause the perforation of ear drum.In addition, the stapes link adopts oval-shaped cup to be covered with meter, fits more with the physiology and appearance of head of stapes, has breach at cup cover metastomium, so that pass tendo musculi stapedius, make artificial auditory ossicle more firm with being connected of stapes, and the acoustic performance is better.Connecting rod connects tympanum link and stapes link in telescopic mode, is convenient to regulate length according to the actual operation needs.
Fig. 2 is the artificial auditory ossicle perspective exploded view of this utility model embodiment, and as shown in Figure 2, this artificial auditory ossicle comprises stapes link 11, connecting rod 12, tympanum link 13.
Wherein, stapes link 11 is that the bottom surface opening is oval-shaped cup cover, is used to be enclosed within on the head of stapes link to each other with stapes, and the size of this glass cover can be formulated according to the construction features and the size of normal person's head of stapes, for example: the bottom surface major diameter is 1.0mm for the 1.3mm minor axis, the high 1.7mm of cup cover.When operation, can slightly adjust, for example clamp or strut etc. according to real needs.Cup cover bottom surface is adopted oval, and the physiology and appearance of the head of stapes of can fitting more makes better with being connected more firmly of stapes, acoustic performance.In addition, a cup cover inner surface also can carry out anti-skidding processing, for example makes coarsely, or forms granule, rill etc., or covers nonskid coating, further prevents dislocation.In addition, can also further have breach 14 at above-mentioned cup cover metastomium, this breach 14 can be stuck on the tendo musculi stapedius, thereby further increases stapes link 11 and stapes connection stability.The position of this breach, shape and size can be according to the shape and size designs of tendo musculi stapedius, for example can open the breach of a 1mm * 1mm in the just rearward that cup covers oral area.
In the present embodiment, the mushroom head of tympanum link 13 bottom also is provided with cannulated sleeve, and this cannulated sleeve is used for and being connected of connecting rod 12.
Fixedlys connected in the cup cover top of one end of connecting rod 12 and stapes link 11, as welding or one-body molded etc., another free end can be by linking to each other with tympanum link 13 in the cannulated sleeve that inserts tympanum link 13.The length of this connecting rod 12 during fabrication can be longer slightly to diaphragm-operated distance than normal human head of stapes, when operation again according to the length truncate of patient's actual needs.The size of connecting rod 12 also should match with the size of cannulated sleeve, enables to insert in the cannulated sleeve, for example: connecting rod 12 long 3.3mm, free end diameter 0.7mm, hollow sleeve tube length 1.5mm, interior diameter 0.8mm.
In addition, cannulated sleeve also can be located at the cup cover top of stapes link 11, and connecting rod 12 1 ends are fixedlyed connected with the mushroom head bottom of tympanum link 13 or be integrally formed, and the other end is connected with stapes link 11 by inserting cannulated sleeve.
Connecting rod 12 can be hollow or solid cylindrical bar, and its surface can also process transverse concave groove or graduation mark, utilizes groove or graduation mark to be convenient to connecting rod 12 is intercepted and controls the length of artificial auditory ossicle.
Its tympanum link 13 of artificial auditory ossicle of the present utility model is connected in telescopic mode by connecting rod with stapes link 11, be convenient to concrete condition according to each patient, regulate the total length of artificial auditory ossicle by the mode of truncate connecting rod 12, make artificial auditory ossicle can adapt to multiple surgery situation.Certainly, tympanum link 13 also can adopt by connecting rod 12 fixedlys connected with stapes link 11 or integrally formed etc., but the form of this immutable length just needs to make the artificial auditory ossicle of multiple different length to adapt to different surgery situation.
By the above embodiments as seen, this tympanum link of the present utility model adopts the artificial auditory ossicle of mushroom head morphology, can make the tympanum link and the diaphragm-operated contact portion of artificial auditory ossicle comparatively level and smooth, make artificial auditory ossicle less to the pressure that tympanum produces after implantation, be not easy to cause the perforation of ear drum, also can not influence audition simultaneously.In addition, oval-shaped cup cover is fitted more with the physiology and appearance of head of stapes, has breach at cup cover metastomium, so that pass tendo musculi stapedius, make artificial auditory ossicle more firm with being connected of stapes, and the acoustic performance is better.Connecting rod connects tympanum link and stapes link in telescopic mode, is convenient to regulate length according to the actual operation needs.
Institute is understood that; the above only is a better embodiment of the present utility model; and be not used in and limit protection domain of the present utility model; all within spirit of the present utility model and principle; any modification of being made, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1, a kind of artificial auditory ossicle comprises tympanum link, stapes link and is connected the tympanum link and the connecting rod of stapes link, it is characterized in that, described tympanum link is the blunt mushroom head of neighboring circle, is used for contacting with tympanum.
2, artificial auditory ossicle as claimed in claim 1 is characterized in that, described stapes link is that the bottom surface opening is oval-shaped cup cover.
3, artificial auditory ossicle as claimed in claim 2 is characterized in that, described cup cover metastomium has the breach that passes for tendo musculi stapedius.
4, artificial auditory ossicle as claimed in claim 3 is characterized in that, described tympanum link is fixedlyed connected with described stapes link by connecting rod or be integrally formed.
5, artificial auditory ossicle as claimed in claim 3, it is characterized in that, the mushroom head bottom of described tympanum link is provided with cannulated sleeve, described connecting rod one end is fixedlyed connected with the cup cover top of stapes link or is integrally formed, and the other end is connected with described tympanum link by inserting described cannulated sleeve.
6, artificial auditory ossicle as claimed in claim 3, it is characterized in that, the cup cover top of described stapes link is provided with cannulated sleeve, described connecting rod one end is fixedlyed connected with the mushroom head bottom of tympanum link or is integrally formed, and the other end is connected with described stapes link by inserting described cannulated sleeve.
As the described artificial auditory ossicle of each claim in the claim 1 to 6, it is characterized in that 7, described connecting rod is hollow or the solid cylindrical bar.
8, as the described artificial auditory ossicle of each claim in the claim 1 to 6, it is characterized in that described rod surface is processed with transverse concave groove or graduation mark.
As the described artificial auditory ossicle of each claim in the claim 1 to 6, it is characterized in that 9, described mushroom head outer surface is rough surface or covers nonskid coating.
As the described artificial auditory ossicle of each claim in the claim 2 to 6, it is characterized in that 10, the cup cover inner surface of described stapes link is rough surface or covers nonskid coating.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920105621U CN201379669Y (en) | 2009-01-24 | 2009-01-24 | Artificial auditory ossicle |
| PCT/CN2009/075325 WO2010083699A1 (en) | 2009-01-24 | 2009-12-04 | Ossicular prosthesis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920105621U CN201379669Y (en) | 2009-01-24 | 2009-01-24 | Artificial auditory ossicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201379669Y true CN201379669Y (en) | 2010-01-13 |
Family
ID=41523142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920105621U Expired - Lifetime CN201379669Y (en) | 2009-01-24 | 2009-01-24 | Artificial auditory ossicle |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN201379669Y (en) |
| WO (1) | WO2010083699A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101897628A (en) * | 2010-07-30 | 2010-12-01 | 王正敏 | Method for manufacturing total auditory ossicle prosthesis |
| CN111888052A (en) * | 2020-08-28 | 2020-11-06 | 江苏省人民医院（南京医科大学第一附属医院） | Medical all-model artificial auditory ossicle |
| WO2022021713A1 (en) * | 2020-07-31 | 2022-02-03 | 黄建民 | Artificial titanium ossicle having cup-shaped top disc |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018104839A1 (en) * | 2018-03-02 | 2019-09-05 | Friedmar Hütter | ear implant |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4597764A (en) * | 1983-09-28 | 1986-07-01 | Bruce Black | Ossicular replacement prosthesis |
| US5061280A (en) * | 1989-04-04 | 1991-10-29 | Microtek Medical, Inc. | Ossicular prosthesis |
| CN2098267U (en) * | 1989-08-17 | 1992-03-11 | 侯秋来 | Artificial ceramic auditory ossicles |
| US5554188A (en) * | 1993-04-29 | 1996-09-10 | Xomed, Inc. | Universal middle ear prosthesis |
| CN1171567C (en) * | 2002-02-28 | 2004-10-20 | 周星 | Artificial auditory ossicle made of marmem |
-
2009
- 2009-01-24 CN CN200920105621U patent/CN201379669Y/en not_active Expired - Lifetime
- 2009-12-04 WO PCT/CN2009/075325 patent/WO2010083699A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101897628A (en) * | 2010-07-30 | 2010-12-01 | 王正敏 | Method for manufacturing total auditory ossicle prosthesis |
| WO2022021713A1 (en) * | 2020-07-31 | 2022-02-03 | 黄建民 | Artificial titanium ossicle having cup-shaped top disc |
| CN111888052A (en) * | 2020-08-28 | 2020-11-06 | 江苏省人民医院（南京医科大学第一附属医院） | Medical all-model artificial auditory ossicle |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010083699A1 (en) | 2010-07-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Beijing Fert Technology Co., Ltd. Assignor: General Hospital of Chinese PLA Contract record no.: 2012990000185 Denomination of utility model: Artificial auditory ossicle made of marmem Granted publication date: 20100113 License type: Exclusive License Record date: 20120405 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100113 |