CN104887352B - A kind of artificial remporomandibular joint replacement prosthesis - Google Patents
A kind of artificial remporomandibular joint replacement prosthesis Download PDFInfo
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- CN104887352B CN104887352B CN201510240951.0A CN201510240951A CN104887352B CN 104887352 B CN104887352 B CN 104887352B CN 201510240951 A CN201510240951 A CN 201510240951A CN 104887352 B CN104887352 B CN 104887352B
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- mandible
- ramus
- prosthese
- replacement prosthesis
- glenoid fossa
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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
- A61F2/30—Joints
- A61F2/30988—Other joints not covered by any of the groups A61F2/32 - A61F2/4425
- A61F2/3099—Other joints not covered by any of the groups A61F2/32 - A61F2/4425 for temporo-mandibular [TM, TMJ] joints
-
- 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
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
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- Health & Medical Sciences (AREA)
- Plastic & Reconstructive Surgery (AREA)
- Orthopedic Medicine & Surgery (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 invention discloses a kind of artificial remporomandibular joint replacement prosthesis, described replacement prosthesis includes interconnective glenoid fossa prosthese and ramus of mandible prosthese；Glenoid fossa prosthese is made up of ultra high molecular polyethylene polymer, it includes the tissue surface contacted with glenoid fossa and the functional surfaces contacted with ramus of mandible prosthese, tissue surface includes the wing plate contacting with zygomatic arch and being fixed thereon and the jut contacted with glenoid fossa, and functional surfaces includes the depressed part contacted with ramus of mandible prosthese and is arranged on the baffle plate at depressed part two ends；Ramus of mandible prosthese includes condyle protruding head and ramus of mandible maintenance handle, and condyle protruding head is cylindrical, and it contacts with depressed part, and ramus of mandible maintenance handle is attached at the lateral surface of ramus of mandible.A kind of artificial remporomandibular joint replacement prosthesis of the present invention, standard type artificial joint prosthesis can be made to be more suitable for Chinese dissection profile, and more fit with jawbone, effectively reduce in art and the generation of post-operative complication, improve using effect and the life-span of standard type artificial joint prosthesis.
Description
Technical field
The present invention relates to field of medical technology, be specifically related to a kind of artificial remporomandibular joint replacement prosthesis.
Background technology
Remporomandibular joint displacement is treatment osteoarthritis in late period, ankylosis, tumor, idiopathic absorption
Effective means etc. disease.Wherein, artificial remporomandibular joint prosthese has stable absorption, without opening
Ward off the second art district thus reduce the advantage of operation wound and be widely used abroad.But, due to state
Outer standard type product is according to designed by white anatomical structure, deposits with Chinese anatomical structure
In difference, it is impossible to patient's mandibular shapes matched well, and the deviation existed also can cause installation position
Put outer local derviation and cause easily outer dislocation etc..
The artificial remporomandibular joint prosthese according to the design of compatriots' anatomical features is still lacked at present in view of domestic,
Urgently a kind of standard type artificial remporomandibular joint prosthese of invention, possesses different model Chinese to adapt to
Anatomic form.
Summary of the invention
The artificial remporomandibular joint that it is an object of the invention to provide a kind of applicable Chinese's anatomic form is put
Change prosthese, it is possible to facilitate in art and use, reduce bone mill and change, and increase accuracy that prosthese installs and steady
Qualitative, also avoid the risk of Skull base injury and massive hemorrhage, to overcome existing external product with Chinese
There is the deficiency of bigger matching difference in anatomic form.
According to an aspect of the present invention, it is provided that a kind of artificial remporomandibular joint replacement prosthesis, put described in
Change prosthese and include interconnective glenoid fossa prosthese and ramus of mandible prosthese；Described glenoid fossa prosthese is by superelevation
Molecular polyethylene polymer is made, and it includes the tissue surface that contacts with glenoid fossa and false with described ramus of mandible
The functional surfaces of body contact, described tissue surface include the wing plate that contacts with zygomatic arch and be fixed thereon and with pass
The jut that joint socket and spigot joint touches, described functional surfaces includes the depressed part contacted with described ramus of mandible prosthese and sets
Put the baffle plate at described depressed part two ends；Described ramus of mandible prosthese includes condyle protruding head and ramus of mandible maintenance
Handle, described condyle protruding head is cylindrical, and it contacts with described depressed part, and described ramus of mandible maintenance handle pastes
Invest the lateral surface of ramus of mandible.
Wherein, in above-mentioned artificial remporomandibular joint replacement prosthesis, described wing plate is provided with multiple
First screw hole, described wing plate is connected by screw and zygomatic arch are fixing.
Wherein, in above-mentioned artificial remporomandibular joint replacement prosthesis, described ramus of mandible maintenance handle sets
Being equipped with multiple second screw hole, described ramus of mandible maintenance handle is connected by screw and ramus of mandible are fixing.
Wherein, in above-mentioned artificial remporomandibular joint replacement prosthesis, described condyle protruding head is closed by cobalt chrome molybdenum
Gold is made, and described ramus of mandible maintenance handle is made up of titanium alloy.
Wherein, in above-mentioned artificial remporomandibular joint replacement prosthesis, the width of described wing plate is
0.8mm, a length of 30mm, thickness is 2.5mm；It is 3mm, 4mm that described jut is formed as radius
Or the hemisphere of 5mm；Described depressed part is formed as the hemisphere that radius is 8mm；The length of described baffle plate
Degree is 5mm.
Wherein, in above-mentioned artificial remporomandibular joint replacement prosthesis, condyle protruding head fixes with described lower jaw
After formed by the handle of position, the elevation angle is 160 °, 165 ° or 170 °；Formed leaning angle is 145 °, 150 ° or
155°。
Wherein, in above-mentioned artificial remporomandibular joint replacement prosthesis, described condyle protruding head be diameter 8mm,
The cylinder of highly 8mm；A length of 46mm, 52mm or 58mm of described ramus of mandible maintenance handle,
Thickness is 3mm.
A kind of artificial remporomandibular joint replacement prosthesis of the present invention, can make standard type artificial joint prosthesis
It is more suitable for Chinese dissection profile, decreases substantial amounts of bone grinding and the moulding bone grafting filling of bulk bone is closed
Joint nest, it is to avoid basis cranii and interior alveolar nerve injury and the risk of massive hemorrhage, highly shortened hands
The art time, add the Stability and veracity of prosthese maintenance, it is therefore prevented that the inside and outside and front and back that condyle is prominent
Glenoid fossa at dislocation, and the artificial joint prosthesis of the present invention more fits with jawbone, effectively reduces art
Neutralize the generation of post-operative complication, improve using effect and the life-span of standard type artificial joint prosthesis.
Accompanying drawing explanation
Fig. 1 shows the structural representation of the artificial remporomandibular joint replacement prosthesis of the embodiment of the present invention；
Fig. 2 and Fig. 3 shows the structural representation of the glenoid fossa prosthese in Fig. 1；
Fig. 4 and Fig. 5 shows the structural representation of the ramus of mandible prosthese in Fig. 1；
Wherein:
1 is glenoid fossa prosthese；2 is ramus of mandible prosthese；3 is tissue surface；4 is functional surfaces；5 is the wing
Plate；6 is lobe；7 is depressed part；8 is baffle plate；9 is condyle protruding head；10 is ramus of mandible maintenance handle；
11 is the first screw hole；12 is the second screw hole.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention of greater clarity, below in conjunction with concrete real
Executing mode referring to the drawings, the present invention is described in more detail.It should be understood that these describe simply
Exemplary, and it is not intended to limit the scope of the present invention.Additionally, in the following description, it is right to eliminate
Known features and the description of technology, to avoid unnecessarily obscuring idea of the invention.
Present invention is mainly applied to ankylosis of temporo-mandibular joint, condyle dashes forward end-stage osteoarthritis and various condyle is prominent moves back
Row becomes in the total joint replacement treatment of late case.Preoperative based on patient's whole scenery piece, A-P head film
Measure, or measure according to the CT data of patient, to select to be suitable for patient anatomical's form
Prosthese model.
As shown in Figures 1 to 5, the artificial remporomandibular joint replacement prosthesis of the embodiment of the present invention includes phase
The glenoid fossa prosthese 1 connected and ramus of mandible prosthese 2.
Specifically, glenoid fossa prosthese 1 is made up of ultra high molecular polyethylene polymer, and it includes and closes
Save the tissue surface 3 that socket and spigot joint touches and the functional surfaces 4 contacted with ramus of mandible prosthese 2.Tissue surface 3 include with
Wing plate 5 that zygomatic arch contacts and is fixed thereon and the jut 6 contacted with glenoid fossa, wing plate 5 sets
Being equipped with multiple first screw hole 11, wing plate 5 is connected by screw and zygomatic arch are fixing.Functional surfaces 4 includes
The depressed part 7 contacted with ramus of mandible prosthese 2 and the baffle plate 8 being arranged on depressed part 7 two ends, prevent condyle
Deviate from when protruding head 9 is moved.
In the present embodiment, specifically, the width of wing plate 5 is 0.8mm, a length of 30mm, thickness
For 2.5mm, jut 6 is formed as the hemisphere that radius is 3mm, 4mm or 5mm, depressed part 7
Be formed as the hemisphere that radius is 8mm, a length of 5mm of baffle plate 8.As required, difference is selected
Size.
Upward, wing plate 5 is placed in zygomatic arch region outwardly in glenoid fossa prosthetic devices face 3 in the present embodiment,
Rear portion baffle plate 8 is apart from external auditory meatus antetheca 2-3mm, and the articular tubercle of patient does the finishing of suitable bone, joint
Gap between nest and prosthese is by broken bone or bone meal filling, and glenoid fossa prosthese 1 is by first on wing plate 5
Screw hole 11 is fixed on zygomatic arch lateral surface by screw.
Ramus of mandible prosthese 2 includes condyle protruding head 9 and ramus of mandible maintenance handle 10.Condyle protruding head 9 is cylindrical,
It contacts with depressed part 7, and condyle protruding head 9 is made up of vitallium.Ramus of mandible maintenance handle 10 pastes
Invest the lateral surface of ramus of mandible, ramus of mandible maintenance handle 10 is provided with multiple second screw hole 12, under
Jaw props up maintenance handle 10 and is connected by screw and ramus of mandible are fixing, and ramus of mandible maintenance handle 10 is by titanium alloys
Becoming, it carries out titanium spray treatment with bone contact surface.
In the present embodiment, specifically, condyle protruding head 9 is the cylinder of diameter 8mm, highly 8mm,
A length of 46mm, 52mm or 58mm of ramus of mandible maintenance handle 10, thickness is 3mm.Condyle protruding head 9
With ramus of mandible maintenance handle 10 formed by after the elevation angle be 160 °, 165 ° or 170 °, formed leaning angle is
145 °, 150 ° or 155 °.
Ramus of mandible prosthese 2 in the present embodiment is placed in the trailing edge lateral surface of ramus of mandible, avoids lower alveolus
Nerve, is fixed on ramus of mandible surface of bone by lock screw.
Operation consent, according to whole scenery piece and A-P head film to glenoid fossa and the measurement of ramus of mandible, or CT
Measure and select suitable prosthese model.After using improvement preauricular incision+jaw in art, otch fully exposes cheekbone
Bow, condyle are dashed forward and Mandibular Rumas, dash forward at ramus of mandible simoid notch horizontal truncation pathological changes condyle and take out, pressing
Select glenoid fossa prosthese according to the glenoid fossa degree of depth, repair articular tubercle, be beneficial to prosthese maintenance, prosthese with
Gap between glenoid fossa uses the bone piece of neck of condyle portion amputation to shred or bone meal filling, stable to increase
Property, screw fixing joint nest prosthese.Suitable ramus of mandible prosthese is selected, to lower jaw according to preoperative measurement
Lateral surface carries out bone mill and changes, and makes a plane, is beneficial to ramus of mandible prosthese maintenance.In oral cavity
Sterile drape, the jaw carrying out upper mandibular teeth is indirectly pricked rear enclosed oral cavity, is again installed after sterile drape
Ramus of mandible prosthese, makes condyle protruding head be positioned at the back upper place in glenoid fossa prosthesis function face, and lock screw is fixed
Ramus of mandible prosthese.Open jaw indirectly to prick, check that occluding relation is the most stable.Mouth is again closed as stable
Chamber, again after sterile drape, chloromycetin irrigates, and respectively places before ear and after jaw in otch
Negative-pressure drainage tube 1, layer-by-layer suture otch.
As it has been described above, a kind of artificial remporomandibular joint replacement prosthesis of the present invention, standard type people can be made
Work articular prosthesis is more suitable for Chinese dissection profile, decreases substantial amounts of bone grinding and bulk bone is moulding
Bone grafting filling glenoid fossa, it is to avoid basis cranii and interior alveolar nerve injury and the risk of massive hemorrhage, greatly
Shorten operating time, add the Stability and veracity of prosthese maintenance, it is therefore prevented that prominent interior of condyle
Glenoid fossa at outer and fore-and-aft direction dislocation, and the artificial joint prosthesis of the present invention more fits with jawbone,
Effectively reduce in art and the generation of post-operative complication, improve the use effect of standard type artificial joint prosthesis
Fruit and life-span.
It should be appreciated that the above-mentioned detailed description of the invention of the present invention is used only for exemplary illustration or solution
Release the principle of the present invention, and be not construed as limiting the invention.Therefore, in the essence without departing from the present invention
Any modification, equivalent substitution and improvement etc. done in the case of god and scope, should be included in this
Within bright protection domain.Want additionally, claims of the present invention are intended to fall into appended right
That asks in the equivalents on scope and border or this scope and border whole changes and modifications example.
Claims (4)
1. an artificial remporomandibular joint replacement prosthesis, it is characterised in that described replacement prosthesis includes phase
The glenoid fossa prosthese (1) connected and ramus of mandible prosthese (2)；
Described glenoid fossa prosthese (1) is made up of ultra high molecular polyethylene polymer, and it includes and joint
Tissue surface (3) that socket and spigot joint touches and the functional surfaces (4) that contacts with described ramus of mandible prosthese (2), described
Tissue surface (3) includes the wing plate (5) that contacts with zygomatic arch and be fixed thereon and contacts with glenoid fossa
Jut (6), described functional surfaces (4) includes the depressed part contacted with described ramus of mandible prosthese (2)
And be arranged on the baffle plate (8) at described depressed part (7) two ends (7)；
Described ramus of mandible prosthese (2) includes condyle protruding head (9) and ramus of mandible maintenance handle (10), described
Condyle protruding head (9) is cylindrical, and it contacts with described depressed part (7), described ramus of mandible maintenance handle
(10) lateral surface of ramus of mandible it is attached at；
The width of described wing plate (5) is 0.8mm, a length of 30mm, and thickness is 2.5mm；Described prominent
Play portion (6) and be formed as the hemisphere that radius is 3mm, 4mm or 5mm；Described depressed part (7) shape
Become the hemisphere that radius is 8mm；The a length of 5mm of described baffle plate (8)；
After formed by described condyle protruding head (9) and described ramus of mandible maintenance handle (10) elevation angle be 160 °,
165 ° or 170 °；Formed leaning angle is 145 °, 150 ° or 155 °；
Described condyle protruding head (9) is the cylinder of diameter 8mm, highly 8mm；Described ramus of mandible maintenance handle
(10) a length of 46mm, 52mm or 58mm, thickness is 3mm.
Artificial remporomandibular joint replacement prosthesis the most according to claim 1, it is characterised in that institute
State and on wing plate (5), be provided with multiple first screw hole (11), described wing plate (5) by screw with
Zygomatic arch is fixing to be connected.
Artificial remporomandibular joint replacement prosthesis the most according to claim 1, it is characterised in that institute
State and on ramus of mandible maintenance handle (10), be provided with multiple second screw hole (12), described ramus of mandible maintenance
Handle (10) is connected by screw and ramus of mandible are fixing.
Artificial remporomandibular joint replacement prosthesis the most according to claim 3, it is characterised in that institute
Stating condyle protruding head (9) to be made up of vitallium, described ramus of mandible maintenance handle (10) is by titanium alloys
Become.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510240951.0A CN104887352B (en) | 2015-05-12 | 2015-05-12 | A kind of artificial remporomandibular joint replacement prosthesis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510240951.0A CN104887352B (en) | 2015-05-12 | 2015-05-12 | A kind of artificial remporomandibular joint replacement prosthesis |
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| CN104887352A CN104887352A (en) | 2015-09-09 |
| CN104887352B true CN104887352B (en) | 2017-01-04 |
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| CN201510240951.0A Active CN104887352B (en) | 2015-05-12 | 2015-05-12 | A kind of artificial remporomandibular joint replacement prosthesis |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107115164B (en) * | 2016-02-25 | 2020-03-24 | 上海交通大学医学院附属第九人民医院 | Personalized temporomandibular joint socket prosthesis |
| CN107115163B (en) * | 2016-02-25 | 2020-02-14 | 上海交通大学医学院附属第九人民医院 | Personalized temporomandibular joint socket prosthesis |
| CN105943200A (en) * | 2016-04-13 | 2016-09-21 | 上海交通大学医学院附属第九人民医院 | Zygomatic arch temporal-mandibular joint glenoid fossa combined remediation prosthesis |
| CN106562842A (en) * | 2016-11-09 | 2017-04-19 | 广州医科大学附属口腔医院 | Artificial temporomandibular joint based on three-dimensional printing |
| CN107157624A (en) * | 2017-06-08 | 2017-09-15 | 上海交通大学医学院附属第九人民医院 | Basis cranii remporomandibular joint combines prosthese |
| EP3656357B1 (en) * | 2017-07-20 | 2021-08-11 | Roselló Oyaga, Javier | Temporomandibular articulation replacement system |
| CN110477993B (en) * | 2018-05-14 | 2024-06-21 | 上海交通大学医学院附属第九人民医院 | Individualized full temporomandibular joint replacement cuts bone location baffle |
| CN108720969B (en) * | 2018-06-20 | 2024-05-31 | 上海交通大学医学院附属第九人民医院 | Bionic artificial temporomandibular joint replacement prosthesis |
| CN112137769A (en) * | 2020-09-22 | 2020-12-29 | 北京中安泰华科技有限公司 | Temporomandibular joint prosthesis |
| WO2022062141A1 (en) * | 2020-09-25 | 2022-03-31 | 上海交通大学医学院附属第九人民医院 | Fixing plate for blocking anterior dislocation of temporomandibular joint |
| CN116492115B (en) * | 2022-03-18 | 2024-07-02 | 上海交通大学医学院附属第九人民医院 | Anterior temporomandibular joint blocking prosthesis and construction method thereof |
| CN115137531B (en) * | 2022-07-08 | 2024-09-10 | 中国医学科学院整形外科医院 | Artificial temporomandibular joint |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2242088Y (en) * | 1995-10-12 | 1996-12-11 | 北京医科大学口腔医学院 | 3-D adjustable artificial joint of lower jaw |
| US6132466A (en) * | 1996-05-03 | 2000-10-17 | Hoffman; David C. | Temporomandibular prosthetic joint |
| DE102006055636B4 (en) * | 2006-11-24 | 2014-02-20 | Peter Brehm | Artificial temporomandibular joint and components for an artificial temporomandibular joint |
| CZ2010884A3 (en) * | 2010-12-01 | 2012-06-13 | Medin Orthopaedics, A.S. | Modular type total replacement of jaw joint |
| US8840670B2 (en) * | 2012-06-11 | 2014-09-23 | Saad Touleimat | Adjustable mandible joint system |
| CN102715968A (en) * | 2012-07-06 | 2012-10-10 | 常州市康辉医疗器械有限公司 | Temporomandibular joint fovea prosthesis |
| EP2810621A1 (en) * | 2013-06-07 | 2014-12-10 | OBL (Société Anonyme) | temporo-mandibular joint prosthesis |
| CN103750923A (en) * | 2013-12-20 | 2014-04-30 | 中山大学附属口腔医院 | Artificial temporal-mandibular joint based on selective laser melting technology and manufacturing method thereof |
| CN104546225A (en) * | 2015-01-09 | 2015-04-29 | 上海交通大学医学院附属第九人民医院 | Total temporomandibular joint prosthesis |
| CN204636618U (en) * | 2015-05-12 | 2015-09-16 | 上海交通大学医学院附属第九人民医院 | A kind of artificial remporomandibular joint replacement prosthesis |
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Effective date of registration: 20201215 Address after: 102200 Beijing science and Technology Park of Changping District Bai Fu Road 10 Patentee after: Beijing AK Medical Co.,Ltd. Address before: 200011 No. 639, manufacturing Bureau Road, Shanghai, Huangpu District Patentee before: Shanghai Ninth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine |