CN201154006Y - Artificial anvil - Google Patents
Artificial anvil Download PDFInfo
- Publication number
- CN201154006Y CN201154006Y CNU2008200790306U CN200820079030U CN201154006Y CN 201154006 Y CN201154006 Y CN 201154006Y CN U2008200790306 U CNU2008200790306 U CN U2008200790306U CN 200820079030 U CN200820079030 U CN 200820079030U CN 201154006 Y CN201154006 Y CN 201154006Y
- Authority
- CN
- China
- Prior art keywords
- link
- malleus
- stapes
- incus
- replacement prosthesis
- 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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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
- 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
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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
- 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 incus, which includes a malleus connecting end, a link rod, and a stapes connecting end. The malleus connecting end of the artificial incus is a forklike head, can be stuck on the malleus handle, and can ensure that the aritificial incus has better stability and is not easy to dislocate after being implanted. The stapes connecting end is a cup cover with elliptic underside, is more suitable for the physiological shape of the stapes head, and ensures the connection of the artificial incus with the stapes to be more firm with better sound transmitting performance. The link rod connects the malleus connecting end with the stapes connecting end by the manner of sleeve so as to facilitate length adjustment according to the actual operation requirements.
Description
Technical field
This utility model relates to medical instruments field, particularly the incus replacement prosthesis.
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, it is very common in chronic otitis media that the whole or long foot disappearance of incus causes that ossicular chain interrupts, treating the method for all or part of disappearance of this incus, generally is that incus replacement prosthesis or title incus prosthesis are implanted between malleus and the stapes, thereby replaces the function of incus.
Fig. 1 shows a kind of existing incus replacement prosthesis's perspective view, as shown in Figure 1, existing incus replacement prosthesis comprises stapes link 1, connecting rod 2, malleus 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, malleus link 3 is round-meshed disks, and connecting rod 2 is the solid cylindrical bar, and malleus link 3 is fixedlyed connected with stapes link 1 by connecting rod 2.Malleus link 3 is used to prop up manubrium of malleus, if manubrium of malleus also lacks, then directly is against on the tympanum.
Above incus replacement prosthesis, though can reach the effect that substitutes incus, the part that this malleus link 3 contacts with manubrium of malleus is a plane, manubrium of malleus then is the long handle shape, the difference of contact portion form can cause the less stable after the incus replacement prosthesis implants, and dislocation causes operative failure easily.
The utility model content
This utility model embodiment provides a kind of incus replacement prosthesis, and stability is preferably arranged after implantation, is not easy dislocation.
For achieving the above object, the technical solution of the utility model specifically is achieved in that
A kind of incus replacement prosthesis comprises malleus link, connecting rod and stapes link, and described malleus link is to make it block a forked head of manubrium of malleus.
Described stapes link is that the bottom surface is oval-shaped cup cover.
As seen from the above technical solutions, the incus replacement prosthesis that this malleus link of the present utility model adopts forked head morphology can make incus replacement prosthesis's malleus link be stuck on the manubrium of malleus, makes the incus replacement prosthesis that stability preferably be arranged after implantation, is difficult for dislocation.In addition, oval-shaped cup cover is fitted more with the physiology and appearance of head of stapes, make the incus replacement prosthesis more firm with being connected of stapes, and the acoustic performance is better.
Description of drawings
Fig. 1 is a kind of existing incus replacement prosthesis's perspective view;
Fig. 2 is incus replacement prosthesis's 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 adopts the shape that can cooperate with the manubrium of malleus form with incus replacement prosthesis's malleus link, it is forked design, incus replacement prosthesis's malleus link can be stuck on the manubrium of malleus, make the incus replacement prosthesis that stability preferably be arranged after implantation, be difficult for dislocation.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, make the incus replacement prosthesis more firm with being connected of stapes, and the acoustic performance is better.
Fig. 2 is incus replacement prosthesis's perspective exploded view of this utility model embodiment one, and as shown in Figure 2, this artificial auditory ossicle comprises stapes link 11, connecting rod 12, malleus link 13.
Wherein, stapes link 11 is that the bottom surface 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 coarse, granule, rill etc., or cover nonskid coating, further prevent dislocation.
Malleus link 13 is forked heads, is used to block manubrium of malleus.The size of forked head can be formulated according to the construction features and the size of normal person's manubrium of malleus, and for example: the divergent ends distance is 1mm, pitches high 1mm.Can slightly adjust according to real needs in the art, as clamping or strut two bifurcateds of forked head, malleus link 13 adopts forked head shapes, can make malleus link 13 can be stuck on the manubrium of malleus, more firm with being connected of manubrium of malleus, be difficult for dislocation, the inner peripheral surface of forked in addition head also can be carried out anti-skidding processing or be covered nonskid coating, further prevents dislocation.
In the present embodiment, the forked head bottom of malleus link 13 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 malleus link 13 in the cannulated sleeve that inserts malleus link 13.The length of this connecting rod 12 during fabrication can be longer slightly than normal human incus, 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, 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 forked head bottom of malleus 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 incus replacement prosthesis's length.
Its malleus link 13 of incus replacement prosthesis of the present utility model is connected with telescopic mode by connecting rod with stapes link 11, be convenient to concrete condition according to each patient, regulate incus replacement prosthesis's total length by the mode of truncate connecting rod 12, make the incus replacement prosthesis can adapt to multiple surgery situation.Certainly, malleus link 13 also can adopt by connecting rod 12 fixedlys connected with stapes link 11 or integrally formed etc., and at this moment the form of immutable length just needs to make the incus replacement prosthesis of multiple different length to adapt to different surgery situation.
By the above embodiments as seen, the incus replacement prosthesis that this malleus link of the present utility model adopts forked head morphology can make incus replacement prosthesis's malleus link be stuck on the manubrium of malleus, makes the incus replacement prosthesis that stability preferably be arranged after implantation, is difficult for dislocation.In addition, oval-shaped cup cover is fitted more with the physiology and appearance of head of stapes, make the incus replacement prosthesis more firm with being connected of stapes, and the acoustic performance is better.Connecting rod connects malleus 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 (9)
1, a kind of incus replacement prosthesis comprises malleus link, connecting rod and stapes link, it is characterized in that, described malleus link is to make it block a forked head of manubrium of malleus.
2, incus replacement prosthesis as claimed in claim 1 is characterized in that, described stapes link is that the bottom surface is oval-shaped cup cover.
3, incus replacement prosthesis as claimed in claim 1 or 2 is characterized in that, described malleus link is fixedlyed connected with described stapes link by connecting rod or be integrally formed.
4, incus replacement prosthesis as claimed in claim 1 or 2, it is characterized in that, the forked head bottom of described malleus 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 malleus link by inserting described cannulated sleeve.
5, incus replacement prosthesis as claimed in claim 1 or 2, 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 forked head bottom of malleus link or is integrally formed, and the other end is connected with described stapes link by inserting described cannulated sleeve.
6, incus replacement prosthesis as claimed in claim 1 or 2 is characterized in that, described connecting rod is hollow or the solid cylindrical bar.
7, incus replacement prosthesis as claimed in claim 6 is characterized in that, described rod surface is processed with transverse concave groove or graduation mark.
8, incus replacement prosthesis as claimed in claim 1 or 2 is characterized in that, described forked inner peripheral surface is rough surface or covers nonskid coating.
9, incus replacement prosthesis as claimed in claim 1 or 2 is characterized in that, the cup cover inner surface of described stapes link is rough surface or covers nonskid coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200790306U CN201154006Y (en) | 2008-02-28 | 2008-02-28 | Artificial anvil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200790306U CN201154006Y (en) | 2008-02-28 | 2008-02-28 | Artificial anvil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201154006Y true CN201154006Y (en) | 2008-11-26 |
Family
ID=40101797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200790306U Expired - Lifetime CN201154006Y (en) | 2008-02-28 | 2008-02-28 | Artificial anvil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201154006Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109758263A (en) * | 2019-03-18 | 2019-05-17 | 安徽奥弗智能微创医疗器械有限公司 | A kind of length-adjustable incus replacement prosthesis |
| WO2022021713A1 (en) * | 2020-07-31 | 2022-02-03 | 黄建民 | Artificial titanium ossicle having cup-shaped top disc |
-
2008
- 2008-02-28 CN CNU2008200790306U patent/CN201154006Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109758263A (en) * | 2019-03-18 | 2019-05-17 | 安徽奥弗智能微创医疗器械有限公司 | A kind of length-adjustable incus replacement prosthesis |
| WO2022021713A1 (en) * | 2020-07-31 | 2022-02-03 | 黄建民 | Artificial titanium ossicle having cup-shaped top disc |
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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.: 2012990000184 Denomination of utility model: Artificial anvil Granted publication date: 20081126 License type: Exclusive License Record date: 20120405 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20081126 |
|
| CX01 | Expiry of patent term |