CN114452035A - Soft clip type artificial stapes prosthesis - Google Patents
Soft clip type artificial stapes prosthesis Download PDFInfo
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- CN114452035A CN114452035A CN202210363058.7A CN202210363058A CN114452035A CN 114452035 A CN114452035 A CN 114452035A CN 202210363058 A CN202210363058 A CN 202210363058A CN 114452035 A CN114452035 A CN 114452035A
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- bulge
- clamping structure
- fitting piece
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- 210000001050 stape Anatomy 0.000 title claims abstract description 24
- 238000009434 installation Methods 0.000 claims abstract description 43
- 210000001785 incus Anatomy 0.000 claims abstract description 17
- 230000001105 regulatory effect Effects 0.000 claims description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- 239000010936 titanium Substances 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 208000035965 Postoperative Complications Diseases 0.000 abstract description 5
- 210000004877 mucosa Anatomy 0.000 abstract description 5
- 206010058046 Post procedural complication Diseases 0.000 abstract description 3
- 208000030016 Avascular necrosis Diseases 0.000 abstract description 2
- 206010031264 Osteonecrosis Diseases 0.000 abstract description 2
- 239000012620 biological material Substances 0.000 abstract description 2
- 206010028851 Necrosis Diseases 0.000 description 3
- 230000017074 necrotic cell death Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000000302 ischemic effect Effects 0.000 description 2
- 210000002751 lymph Anatomy 0.000 description 2
- 206010033078 Otitis media Diseases 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 210000000883 ear external Anatomy 0.000 description 1
- 210000003027 ear inner Anatomy 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 230000002757 inflammatory effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 206010033103 otosclerosis Diseases 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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
-
- 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
- A61F2/28—Bones
-
- 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
- A61F2/30—Joints
- A61F2/30721—Accessories
- A61F2/30749—Fixation appliances for connecting prostheses to the body
-
- 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)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Transplantation (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Pulmonology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Prostheses (AREA)
Abstract
The application relates to a soft clip type artificial stapes prosthesis in the aspect of medical biological materials, which comprises a clamping structure and an installation adjusting component, wherein the installation adjusting component is connected with the clamping structure; the clamping structure is provided with an arc-shaped bulge which is annularly distributed on the periphery of the long leg of the incus and is contacted with the long leg of the incus and limits the movement of the clamping structure. The arc-shaped protrusion is composed of a supporting protrusion part and an anti-falling protrusion part. The clamping structure is also provided with a free end I and a free end II; the first free end is connected with the fourth bulge and extends forwards, and the second free end is connected with the fifth bulge and extends downwards in an arc shape. The installation adjustment assembly comprises an adjustment piece and an installation fitting piece, wherein the bottom of the installation fitting piece is provided with an inclined surface, and an angle formed by the inclined surface and the cross section of the installation fitting piece is less than 45 degrees and more than 0 degree. This application structure is succinct, prevents the avascular necrosis of incus long foot mucosa, improves the sound conduction effect, reduces patient postoperative complication, and convenient the regulation reduces extravagantly.
Description
Technical Field
The present application relates to a soft clip type artificial stapes prosthesis in medical biomaterials.
Background
Stapes prostheses are commonly used to bridge inactive stapes resulting from secondary otosclerosis, and are used in non-inflammatory otitis media in contrast to tympanoplasty prostheses, one of which is described in patent No. 202120417794.7 entitled "an artificial stapes" including a small cylinder 1 and a fixation section; the fixing part comprises a hook 3, a connecting part 2 and a rotating shaft 4 which are connected in sequence, and the hook 3, the connecting part 2 and the rotating shaft 4 are integrally formed; the rotating shaft 4 is of a spherical structure with a smooth surface; a cavity is arranged in the small column body 1 and penetrates through the upper bottom surface of the small column body 1; the rotating shaft is arranged in the cavity. This comparison document has the following drawbacks: 1. the hook 3 is in a ring shape and is matched with the long foot of the incus, but the hook completely encircles the long foot of the incus for a circle and is easy to cause ischemic necrosis of the mucosa of the long foot of the incus. 2. The bottom surface of the small column 1 of the artificial stapes is a circular plane, the vibration volume of the small column and the outer ear lymph is relatively small, and the sound conduction effect is poor. 3. Because little cylinder 1 and fixed part cooperation are connected for artifical stapes total length is fixed unchangeably, if the artifical stapes of the different length of needs, just need cut second cylinder 1, inconvenient regulation. 4. There is no exact depth mark for the depth of the artificial stapes in the vestibule, and doctors implant the artificial stapes in the vestibule completely according to experience, thereby improving the requirements on the technical proficiency of doctors and simultaneously increasing the probability of postoperative complications of patients.
Disclosure of Invention
The technical problem that this application was solved is overcome the above-mentioned not enough that exists among the prior art, and provides the artificial stapes prosthesis of soft clip formula that a structure is succinct, prevent the ischemic necrosis of incus long foot mucosa, improve the sound conduction effect, reduce patient postoperative complication, convenient many times regulation length.
The technical scheme adopted by the application for solving the technical problems is as follows: the utility model provides a soft clip formula artificial stapes prosthesis, includes clamping structure and installation adjusting part, installation adjusting part is connected with clamping structure, characterized by clamping structure is last to be provided with the ring cloth and to contact and restrict the arc arch that clamping structure removed in the long foot periphery of incus and with the long foot of incus.
The arc-shaped bulge consists of a supporting bulge and an anti-falling bulge, and the supporting bulge consists of a first bulge, a second bulge and a third bulge; the anti-falling boss consists of a fourth boss and a fifth boss.
The clamping structure is also provided with a free end I and a free end II; the first free end is connected with the fourth bulge and extends forwards, and the second free end is connected with the fifth bulge and extends downwards in an arc shape.
The installation adjustment assembly comprises an adjustment piece and an installation fitting piece, the adjustment piece is connected with the installation fitting piece in a matched mode and is used for adjusting the length of the installation adjustment assembly and the angle between the adjustment piece and the installation fitting piece, the adjustment piece is connected with the clamping structure, and the bottom of the installation fitting piece is embedded in a stapes bottom plate.
The bottom of the installation fitting piece is provided with an inclined surface, and the angle formed by the inclined surface and the cross section of the installation fitting piece is less than 45 degrees and more than 0 degree. Preferably, the angle of the inclined surface of the fitting is smaller than 39 ° and larger than 10 ° with respect to the cross-section of the fitting.
The installation fitting piece is hollow cylinder, the regulating part be with installation fitting piece screw-thread fit's cylinder, realize through screw-thread fit that the regulating part is relative the flexible and angular adjustment of installation fitting piece conveniently carries out appropriate regulation according to concrete case's actual conditions, reduces unnecessary extravagant.
The adjusting part length is 2.5~5.5 millimeters, and adjusting part thread length is between 0.25mm to 5.0mm, the hollow thread length of installation fitting piece is 2.5 millimeters, and the total length of installation fitting piece is between 3.0 millimeters, and the threaded engagement length of adjusting part and installation fitting piece is between 0.25mm to 2.5 mm. The thread pitch of the thread is 0.25mm, and the length adjustable range of the adjusting part after being fixed with the mounting fitting part is at least 3-7.5mm, so that on one hand, all length selectivity of the stapes prosthesis required in the ear hardening operation of a doctor can be met, and on the other hand, for the stapes prosthesis which is already truncated, if the length is required to be properly adjusted, a part of the mounting fitting part can be properly screwed outwards in the engagement range of the adjusting part and the mounting fitting part so as to achieve the required length.
The mounting fitting piece can be provided with a positioning reference, so that a doctor can conveniently know the depth condition of the artificial stapes implanted into the vestibule; the positioning reference can adopt a positioning mark line or a positioning groove.
The distance between the positioning reference and the bottom end of the installation matching piece is 0.5 mm.
This application has the structure succinctly, prevents the avascular necrosis of incus long foot mucosa, improves the sound conduction effect, reduces patient postoperative complication, and convenient many times is adjusted and is reduced advantages such as extravagant.
Drawings
Fig. 1 is a schematic structural view of a soft clip type artificial stapes prosthesis according to an embodiment of the present application.
Fig. 2 is a schematic cross-sectional view of fig. 1.
Fig. 3 is an enlarged schematic view of the clamping structure shown in fig. 1.
In the figure: 1-a clamping structure; 2-installing an adjusting component; 11-bulge one; 12-a second bump; 13-bulge III; 14-projection four; 15-convex five; 16-free end one; 17-free end two; 21-an adjustment member; 22-mounting a fitting; 221-positioning reference (special case is positioning mark line or positioning groove); a ramp 222.
Detailed Description
The present application will be described in further detail below with reference to the accompanying drawings by way of examples, which are illustrative of the present application and are not limited to the following examples. The directions described herein are relative to fig. 1, with the right being front and the left being back in fig. 1.
Referring to fig. 1-3, a soft clip-on artificial stirrup prosthesis according to an embodiment of the present application comprises a clamping structure 1 and a mounting adjustment assembly 2; the shape of the clamping structure 1 is matched with that of the long anvil foot, and an arc-shaped bulge which is annularly distributed on the periphery of the long anvil foot, is in contact with the long anvil foot and limits the movement of the clamping structure is arranged on the clamping structure 1; the arc-shaped protrusion is composed of a supporting protrusion part and an anti-falling protrusion part. As a special example, the supporting convex part is composed of a first convex part 11, a second convex part 12 and a third convex part 13, and the first convex part 11, the second convex part 12 and the third convex part 13 respectively play a role in fixing from three directions, so that the connection strength is enhanced, and a first fixing function is played. The anti-falling boss is composed of a fourth bulge 14 and a fifth bulge 15, the clamping structure 1 can be prevented from falling off from the anvil, a second fixing effect is achieved, and under the protection of the double effects, the safety and the reliability of the embodiment of the application are further improved. The shape phase-match of pressing from both sides tight structure 1 and the long foot of incus can closely laminate the long foot of incus and be fixed in the long foot periphery of incus on, set up protruding department and played fixed effect, does not set up the blood supply that protruding department is favorable to the long foot of incus, avoids the long foot of incus mucosa necrosis.
When the clamping structure is installed, the opening between the fourth bulge 14 and the fifth bulge 15 is larger than the size of the long leg of the anvil along the opening direction, and after the supporting bulge is contacted with the anvil, the opening between the fourth bulge 14 and the fifth bulge 15 is reduced by a tool to surround the long leg of the anvil, so that the clamping structure 1 can be prevented from moving or falling off along the left-right direction of the drawing 1. The clamping structure 1 is also provided with a first free end 16 and a second free end 17; the first free end 16 is connected with the fourth protrusion 14 and extends forwards, the opening between the fourth protrusion 14 and the fifth protrusion 15 is gradually closed or is close to closed (the opening is smaller) to protect the opening, and the second free end 17 is connected with the fifth protrusion 15 and extends downwards in an arc shape to assist in fixing.
The mounting and adjusting assembly 2 is connected with the clamping structure 1; the mounting and adjusting assembly 2 comprises an adjusting piece 21 and a mounting fitting piece 22; the adjusting member 21 is connected with the fitting member 22 in a matching manner, and is used for adjusting the length of the installation adjusting assembly 2 and the angle between the adjusting member 21 and the fitting member 22, and the adjusting member 21 is connected with the clamping structure 1. As a specific example, the mounting fitting 22 is a hollow cylinder, the adjusting member 21 is a cylinder in threaded fit with the mounting fitting 22, the adjusting member 21 is in threaded fit with the mounting fitting 22, and the adjusting member 21 and the mounting fitting 22 are connected in a threaded fit manner, so that the telescopic and angle adjustment relative to the mounting fitting 22 is realized through the threaded fit, the adjustment is convenient to be performed properly according to the actual situation of a specific case, and unnecessary waste is reduced.
Further, the diameter of the adjusting part 21 is 0.2 mm, the length is 2.5-5.5 mm, the length of the thread of the adjusting part 21 is adjusted between 0.25mm and 5mm (0.5 mm to 5mm in a specific example), and the distance between the threads is 0.25 mm.
Further, the depth of the hollow thread of the mounting fitting piece 22 is 2.5mm, the diameter (outer diameter) is 0.4 mm-0.6 mm, and the length of the mounting fitting piece 22 is 3.0 mm.
This application regulating part 21 adopts cylindrical screw thread design, and the partial length at least is 0.5mm in regulating part 21 screw thread stretches into installation fitting piece 22 to ensure the stability that both connect. Because the screw pitch is 0.25mm, a doctor only needs to remember the number of turns of the adjusting piece 21 screwed into the mounting fitting piece 22 to know the meshing distance between the adjusting piece 21 and the mounting fitting piece 22, and because the length of the adjusting piece 21 plus the length of the mounting fitting piece 22-the meshing distance is the total length of the adjusting piece 21 and the mounting fitting piece 22 after the adjusting piece 21 and the mounting fitting piece are fixed, the total length of the adjusting piece 21 and the mounting fitting piece 22 after being screwed into the mounting fitting piece 22 for positioning can be conveniently calculated, because the number of turns is 0.25mm, and the number of turns is 0.5mm …, the doctor can conveniently operate, and the mounting precision is improved. Adjusting part 21 still can cut through current instrument of cutting, and it utilizes the inside cavity of installation fitting piece 22 and the characteristics of internal surface roughness, can realize cutting many times back still can with adjusting part 21 carry out stable connection, can realize many times regulation and reuse, further reduces unnecessary extravagant.
Furthermore, the lower part of the mounting fitting member 22 has two functions of sound conduction and positioning, the bottom of the mounting fitting member 22 has an inclined surface 222, the angle formed by the inclined surface 222 of the mounting fitting member 22 and the cross section of the mounting fitting member 22 is less than 45 degrees and more than 0 degrees (i.e. the angle formed by the inclined surface 222 of the mounting fitting member 22 and the central axis of the mounting fitting member 22 is more than 45 degrees and less than 90 degrees), the preferred range is 10 degrees-39 degrees, the vibration area of the bottom of the stapes prosthesis and the outer lymph of the inner ear is increased, and the sound conduction effect is more excellent.
The bottom of the mounting fitting 22 described in this application is embedded in the deep vestibule of the stapes footplate, 0.5mm deepest. In order to indicate the proper depth of the bottom end of the fitting 22 embedded in the stapes footplate, a positioning reference 221 can be arranged on the fitting 22, so that the doctor can know the depth of the artificial stapes implanted in the vestibule conveniently; the positioning reference 221 can be a positioning mark line or a positioning groove, and the most common distance (depth) between the positioning reference 221 and the bottom end of the mounting fitting member 22 is 0.5mm, so as to adapt to different conditions of patients, the depth can be adjusted, thereby facilitating the precise operation of doctors and reducing the probability of some postoperative complications of patients.
The application press from both sides tight structure 1 and adopt pure titanium material, adjusting part 21, installation fitting piece 22 all adopt pure titanium material to make. Titanium metal has excellent physical and chemical properties, small specific gravity, corrosion resistance and "bio-philic" property. Can resist the corrosion of secretion in human body, is non-toxic and is suitable for any sterilization method.
All simple variations and combinations of the features and aspects of the present application are considered to fall within the scope of the present application.
Claims (10)
1. A soft clip artificial stapes prosthesis comprising a clamping structure and an installation adjustment assembly, the installation adjustment assembly being connected to the clamping structure, characterised by: the clamping structure is provided with an arc-shaped bulge which is annularly distributed on the periphery of the long leg of the incus and is contacted with the long leg of the incus and limits the movement of the clamping structure.
2. The soft clip artificial stirrup prosthesis according to claim 1, wherein: the arc-shaped bulge consists of a supporting bulge and an anti-falling bulge, and the supporting bulge consists of a first bulge, a second bulge and a third bulge; the anti-falling boss consists of a fourth boss and a fifth boss.
3. The soft clip artificial stirrup prosthesis according to claim 2, wherein: the clamping structure is also provided with a free end I and a free end II; the first free end is connected with the fourth bulge and extends forwards, and the second free end is connected with the fifth bulge and extends downwards in an arc shape.
4. The soft clip artificial stirrup prosthesis according to claim 1, wherein: the installation adjusting component comprises an adjusting piece and an installation matching piece, the adjusting piece is connected with the installation matching piece in a matching mode and used for adjusting the length of the installation adjusting component and the angle between the adjusting piece and the installation matching piece, and the adjusting piece is connected with the clamping structure.
5. The soft clip artificial stirrup prosthesis according to claim 4, wherein: the bottom of the installation fitting piece is provided with an inclined surface, and the angle formed by the inclined surface and the cross section of the installation fitting piece is less than 45 degrees and more than 0 degree.
6. The soft clip artificial stirrup prosthesis according to claim 5, wherein: the inclined surface of the mounting fitting forms an angle with the cross section of the mounting fitting which is smaller than 39 degrees and larger than 10 degrees.
7. The soft clip artificial stirrup prosthesis according to claim 4, wherein: the installation fitting piece is hollow cylinder, the regulating part be with installation fitting piece screw-thread fit's cylinder, regulating part length is 2.5~5.5 millimeters, and regulating part thread length is between 0.25mm to 5.0mm, the hollow thread length of installation fitting piece is 2.5 millimeters, and the total length of installation fitting piece is 3 millimeters, and the threaded engagement length of regulating part and installation fitting piece is between 0.25mm to 2.5 mm.
8. The soft clip artificial stirrup prosthesis according to claim 7, wherein: the pitch of the thread is 0.25 mm.
9. The soft clip artificial stirrup prosthesis according to claim 4, wherein: the installation fitting piece is provided with a positioning reference, and the positioning reference adopts a positioning mark line or a positioning groove and has a distance of 0.5mm from the bottom end of the installation fitting piece.
10. The soft clip artificial stirrup prosthesis according to claim 4, wherein: the adjusting piece and the mounting fitting piece are made of pure titanium materials.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210363058.7A CN114452035A (en) | 2022-04-08 | 2022-04-08 | Soft clip type artificial stapes prosthesis |
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Application Number | Priority Date | Filing Date | Title |
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CN202210363058.7A CN114452035A (en) | 2022-04-08 | 2022-04-08 | Soft clip type artificial stapes prosthesis |
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CN202210363058.7A Pending CN114452035A (en) | 2022-04-08 | 2022-04-08 | Soft clip type artificial stapes prosthesis |
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JP2007125252A (en) * | 2005-11-04 | 2007-05-24 | Okayama Univ | Molded product for reconstructing external acoustic meatus and method for producing the same |
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CN214761625U (en) * | 2020-12-04 | 2021-11-19 | 柏为(武汉)医疗科技股份有限公司 | Similar ring-shaped ossicle prosthesis |
CN215307037U (en) * | 2021-07-12 | 2021-12-28 | 中国人民解放军总医院第六医学中心 | Auditory ossicle prosthesis |
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2022
- 2022-04-08 CN CN202210363058.7A patent/CN114452035A/en active Pending
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US4871364A (en) * | 1983-04-18 | 1989-10-03 | Richards Medical Company | Metal core ossicular replacement prosthesis |
US20040064183A1 (en) * | 2002-07-23 | 2004-04-01 | Wengen Daniel F. A | Stirrup prosthesis |
EP1439737A2 (en) * | 2003-01-15 | 2004-07-21 | Med-El Elektromedizinische Geräte Ges.m.b.h. | Implantable electromechanical transducer |
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JP2007125252A (en) * | 2005-11-04 | 2007-05-24 | Okayama Univ | Molded product for reconstructing external acoustic meatus and method for producing the same |
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EP2520248A1 (en) * | 2009-12-30 | 2012-11-07 | Universidad De Valladolid (40%) | Prosthesis for complete ossicular replacement |
WO2012033566A1 (en) * | 2010-09-10 | 2012-03-15 | Gyrus Ent L.L.C. | In situ adjustable ossicular implant and instrument for implanting and adjusting an adjustable ossicular implant |
US20130053957A1 (en) * | 2011-08-31 | 2013-02-28 | Mark Matthew Scheurer | Middle ear prosthesis having discrete projections for purposes of ossicular attachment |
WO2013138818A1 (en) * | 2012-03-16 | 2013-09-19 | Tshifularo Mashudu | Partial or complete middle ear prosthesis |
US20150045883A1 (en) * | 2012-09-23 | 2015-02-12 | Mark Matthew Scheurer | Middle Ear Prosthesis with Recesses for Applicator Engagement |
CN204931898U (en) * | 2015-08-14 | 2016-01-06 | 上海倍尔康生物医学科技有限公司 | The artificial auditory ossicle of rotatable adjustable in length |
US20170086968A1 (en) * | 2015-09-25 | 2017-03-30 | Enteroptyx, Inc. | Adjustable Length Ossicular Prosthesis With Low Profile Resilient Joint |
CN108472132A (en) * | 2015-09-25 | 2018-08-31 | 恩特普斯公司 | The auditory ossicle prosthesis of adjustable length with low profile elastomeric joint |
US20180104048A1 (en) * | 2016-10-19 | 2018-04-19 | Heinz Kurz Gmbh Medizintechnik | Ossicular prosthesis comprising foldable head plate |
CN212466263U (en) * | 2020-08-28 | 2021-02-05 | 江苏省人民医院(南京医科大学第一附属医院) | Artificial auditory ossicle with adjustable angle |
CN214761625U (en) * | 2020-12-04 | 2021-11-19 | 柏为(武汉)医疗科技股份有限公司 | Similar ring-shaped ossicle prosthesis |
CN215307037U (en) * | 2021-07-12 | 2021-12-28 | 中国人民解放军总医院第六医学中心 | Auditory ossicle prosthesis |
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