CN109223254A - A kind of new titanium alloy knuckle support applying calcium phosphate bioactive ceramics - Google Patents
A kind of new titanium alloy knuckle support applying calcium phosphate bioactive ceramics Download PDFInfo
- Publication number
- CN109223254A CN109223254A CN201810731143.8A CN201810731143A CN109223254A CN 109223254 A CN109223254 A CN 109223254A CN 201810731143 A CN201810731143 A CN 201810731143A CN 109223254 A CN109223254 A CN 109223254A
- Authority
- CN
- China
- Prior art keywords
- joint
- joint handle
- calcium phosphate
- handle
- titanium alloy
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- 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.)
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- 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
- A61F2/32—Joints for the hip
-
- 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
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00011—Metals or alloys
- A61F2310/00023—Titanium or titanium-based alloys, e.g. Ti-Ni alloys
-
- 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
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00179—Ceramics or ceramic-like structures
- A61F2310/00293—Ceramics or ceramic-like structures containing a phosphorus-containing compound, e.g. apatite
Landscapes
- Health & Medical Sciences (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)
- Materials For Medical Uses (AREA)
Abstract
The invention proposes a kind of new titanium alloy knuckle supports for applying calcium phosphate bioactive ceramics, including joint handle, metal ball-head, polyethylene mortar, the metal ball-head is connected to one end of joint handle, and the metal ball-head and the polyethylene mortar form joint-friction with pair.The present invention proposes a kind of new titanium alloy knuckle support for applying calcium phosphate bioactive ceramics, with good biocompatibility, long service life, convenient for safeguarding.
Description
Technical field
The present invention relates to field of medical technology, and in particular to a kind of new titanium alloy for applying calcium phosphate bioactive ceramics
Knuckle support.
Background technique
Hip joint is constituted by femoral head is opposite with acetabular bone, belongs to enarthrosis.Only the coating joint of facies lunata is soft in acetabular bone
Bone, acetabular fossa is interior can be extruded or suck with the increase and decrease of intra-articular pressure full of fat, also known as Haversian gland, to maintain
The balance of intra-articular pressure.
Hip joint is multiaxis joint, can bend and stretch, take down the exhibits, rotating and circumduction.But since femoral head is embedded in hip deeply
In mortar, acetabular bone has ambo intensification again, wraps femoral head nearly 2/3, so ball and socket joint and the difference in areas of both glenoids are very small,
Therefore motion range is smaller.In addition joint capsule is thick, and the ligament for limiting joints' movement range is tough and tensile strong, therefore, compared with shoulder joint,
The stability in the joint is big.And flexibility is what for poor.This structure feature is the upright walking of the mankind, and gravity is transmitted by hip joint
Etc. functions reflection.When hip joint buckling, interior receipts, inward turning, femoral head is mostly disengaged from acetabular bone against the rear lower of joint capsule,
If external force acts on knee joint from front at this time, then passes to femoral head along femur, it is prone to posterior dislocation of hip.
Existing hip prosthesis, after being implanted into human body, hip prosthesis is in a cylindrical type neck of femur and acetabular bone edge
Movable between the angle of formation, in actual use, neck of femur is easy to happen fracture, and hip joint is easy to loosen, and is inserted into bone
Interior femoral stem is also easy to happen disengaging.Therefore, to solve the above problems, providing a kind of new technical solution.
Summary of the invention
Aiming at the problem that pointing out in background technique, the present invention proposes a kind of Novel Titanium for applying calcium phosphate bioactive ceramics
Alloy knuckle support, with good biocompatibility, long service life, convenient for safeguarding.
The technical scheme of the present invention is realized as follows:
It is a kind of apply calcium phosphate bioactive ceramics new titanium alloy knuckle support, it is characterised in that: including joint handle,
Metal ball-head, polyethylene mortar, the metal ball-head are connected to one end of joint handle, the metal ball-head and the poly- second
Alkene mortar forms joint-friction with pair；
Further include closing set, the described closing set is the annular of both ends open, close set one end and the polyethylene
Mortar is sealedly and fixedly connected, and the outer wall for closing the other end and the joint handle of set is sealedly and fixedly connected, the closing set by
Flexible medical macromolecular materials are made；
The closing set and joint handle, metal ball-head form articular cavity between polyethylene mortar, fill out in the articular cavity
Filled with medical cotton, the medical cotton is bonded on the inner wall of closing set；
Lubricating fluid is stored in the articular cavity；
The lateral wall of the other end of the joint handle is equipped with arc convex, and the protrusion is made of ceramic materials,
The surface of the protrusion forms cellular pore structure；
The joint handle is made of titanium alloy material, and cylindrical pedestal is additionally provided in the protrusion, described
Joint handle is equipped with threaded hole, and the pedestal is threadedly coupled with the threaded hole, and the protrusion is equipped with multiple and surround
The circumferential setting of joint handle；
Fluid passage is additionally provided in the joint handle, the fluid passage is arranged along the length direction of joint handle, institute
The fluid passage stated is located at the center of joint handle, and the joint handle is equipped with liquid outlet channel, the liquid outlet channel edge
The radial direction of joint handle is arranged, and one end of the liquid outlet channel is connected to the fluid passage, the liquid outlet channel
Other end connection joint handle outside, be additionally provided with injection canal on the joint handle, one end of the injection canal with
The described fluid passage connection, the outside of the other end connection joint handle of the injection canal, the injection canal into
Flexible sealing-plug is equipped at mouthful.
The present invention is further arranged to, and the sealing-plug is made of flexible medical macromolecular materials.
The present invention is further arranged to, and calcium phosphate bioactive ceramics are applied on the lateral wall of the joint handle.
The present invention is further arranged to, and metal acetabular or ceramic mortar substitution also can be used in the polyethylene mortar.
The present invention is further arranged to, and the protrusion and is integrally formed setting with pedestal, both by ceramic system
At, and coating calcium phosphate bioactive ceramics thereon.
The present invention is further arranged to, and the liquid outlet channel is equipped with multiple and is spaced apart setting on joint handle,
And liquid outlet channel shifts to install up and down.
The present invention is further arranged to, and the threaded hole is to be arranged through the joint handle, and the threaded hole
Both ends are threadedly coupled a pedestal respectively, are respectively equipped with threaded rod and threaded connection on the forward surface of two opposite pedestals
Hole, the threaded rod are threadedly coupled with the threaded connection hole.
Using above-mentioned technical proposal, the invention has the benefit that
(1) the new titanium alloy knuckle support of coating calcium phosphate bioactive ceramics provided by the present invention, which is provided with
Closing set, the closing set are sealed in contact of the polyethylene mortar with metal ball-head in the space of one sealing, avoid itself and other
Substance contact guarantees the good activity cooperation of the two, avoids other substances and have an impact to activity cooperation, while is close at this
It seals and lubricating fluid is added in space, the friction of polyethylene mortar and metal ball-head can be reduced, guarantee the service life of knuckle support, simultaneously
It closes and is bonded with medical cotton on the medial surface of set, can avoid closing set with metal parts and be in contact friction, be damaged；
(2) the new titanium alloy knuckle support of coating calcium phosphate bioactive ceramics provided by the present invention, joint handle
It is equipped with the protrusion of arc, which can play the role of stablizing entire knuckle support, and avoid knuckle support from being subjected to displacement, due to
Protrusion is made of ceramic, to prevent the connection between protrusion made of ceramics and metal preparative layer joint handle from loosening, if
Two pairs of two protrusions settings are counted, and two raised pedestals is enable further to be connected with each other, have the function that dual fixation；
(3) the new titanium alloy knuckle support of coating calcium phosphate bioactive ceramics provided by the present invention, joint handle
It is equipped with fluid passage, liquid outlet channel, injection canal, the setting in above-mentioned channel can facilitate injection antibiotic to prevent from infecting, mention
High-compatibility；
(4) the new titanium alloy knuckle support of coating calcium phosphate bioactive ceramics provided by the present invention, it is a large amount of to apply
Calcium phosphate bioactive ceramics are applied, can further enhance the biocompatibility of entire bracket, improve its service life.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
One of Fig. 1 is the structural diagram of the present invention；
Fig. 2 is second structural representation of the invention；
Fig. 3 is the portion the A enlarged drawing in Fig. 1 of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
With reference to Fig. 1-3, the present invention will be described as follows:
It is a kind of apply calcium phosphate bioactive ceramics new titanium alloy knuckle support, including joint handle 1, metal ball-head 2,
Polyethylene mortar 3, the metal ball-head 2 are connected to one end of joint handle 1, the metal ball-head 2 and the polyethylene mortar 3
Joint-friction is formed with pair.
It further include closing set 4, the closing set 4 is the annular of both ends open, one end of closing set 4 and the poly- second
Alkene mortar 3 is sealedly and fixedly connected, and the outer wall of the other end and the joint handle 1 of closing set 4 is sealedly and fixedly connected, the closing
Set 4 is made of flexible medical macromolecular materials.
The described closing set 4 and joint handle 1, metal ball-head 2 form articular cavity 5, the joint between polyethylene mortar 3
Medical cotton 6 is filled in chamber 5, the medical cotton 6 is bonded on the inner wall of closing set 4.
Lubricating fluid is stored in the articular cavity 5.
The lateral wall of the other end of the joint handle 1 is equipped with arc convex 7, and the protrusion 7 is by ceramic material system
Form cellular pore structure at, the surface of the protrusion 7, cellular pore structure design, can contact with tissue more
Closely, keep knuckle support more stable.
The joint handle 1 is made of titanium alloy material, and cylindrical pedestal 8 is additionally provided in the protrusion 7, described
Joint handle 1 be equipped with threaded hole 9, the pedestal 8 is threadedly coupled with the threaded hole 9, and the protrusion 7 is equipped with multiple
And around the circumferential setting of joint handle 1.
Fluid passage 10 is additionally provided in the joint handle 1, the fluid passage 10 is set along the length direction of joint handle 1
It sets, the fluid passage 10 is located at the center of joint handle 1, and the joint handle 1 is equipped with liquid outlet channel 11, described
Liquid outlet channel 11 is arranged along the radial direction of joint handle 1, and one end of the liquid outlet channel 11 and the fluid passage 10 connect
Logical, the other end of the liquid outlet channel 11 is connected to the outside of joint handle 1, is additionally provided with injection canal 12 on the joint handle 1,
One end of the injection canal 12 is connected to the fluid passage 10, and the other end of the injection canal 12 is connected to joint
The entrance in the outside of handle 1, the injection canal 12 is equipped with flexible sealing-plug 13.
Wherein, the sealing-plug 13 is made of flexible medical macromolecular materials, be inserted directly into syringe needle can, pulls out
Out after syringe needle, sealing-plug 13 can restore automatically again under the action of its own elasticity.
Wherein, calcium phosphate bioactive ceramics are applied on the lateral wall of the joint handle 1.
Wherein, metal acetabular or ceramic mortar substitution also can be used in the polyethylene mortar 3.
Wherein, it the protrusion 7 and is integrally formed setting, is both made of ceramic, and apply phosphorus thereon with pedestal 8
Sour calcium bioactive ceramics.
Wherein, the liquid outlet channel 11 is equipped with multiple and is spaced apart setting on joint handle 1, and liquid outlet channel 11 is equal
It shifts to install up and down.
Wherein, the threaded hole 9 is to be arranged through the joint handle 1, and the both ends difference screw thread of the threaded hole 9 connects
A pedestal 8 is connect, threaded rod 14 and threaded connection hole 15 are respectively equipped on the forward surface of this two opposite pedestals 8, it is described
Threaded rod 14 is threadedly coupled with the threaded connection hole 15.
Using above-mentioned technical proposal, the invention has the benefit that
1, the new titanium alloy knuckle support of coating calcium phosphate bioactive ceramics provided by the present invention, which is provided with envelope
Set 4 is closed, closing set 4 is sealed in polyethylene mortar 3 in the space of a sealing with the contact of metal ball-head 2, avoids itself and its
The contact of his substance both guarantees good activity cooperation, avoids other substances and cooperates the activity and has an impact, while at this
Lubricating fluid is added in sealing space, the friction of polyethylene mortar 3 Yu metal ball-head 2 can be reduced, guarantee the service life of knuckle support,
It closes simultaneously and is bonded with medical cotton 6 on the medial surface of set 4, can avoid closing set 4 and be in contact friction with metal parts, damaged
It is bad.
2, the new titanium alloy knuckle support of coating calcium phosphate bioactive ceramics provided by the present invention, joint handle 1
It is equipped with the protrusion 7 of arc, which can play the role of stablizing entire knuckle support, and avoid knuckle support from being subjected to displacement, by
It is made of ceramic in protrusion 7, to prevent the connection between protrusion 7 made of ceramics and metal preparative layer joint handle 1 from pine occurs
It is dynamic, 7 two pairs of two protrusions settings are designed, and the pedestal 8 of two protrusions 7 is enable further to be connected with each other, reaches dual fixation
Effect.
3, the new titanium alloy knuckle support of coating calcium phosphate bioactive ceramics provided by the present invention, joint handle 1
It is equipped with fluid passage 10, liquid outlet channel 11, injection canal 12, the setting in above-mentioned channel can facilitate injection antibiotic to prevent
Infection improves compatibility.
4, the new titanium alloy knuckle support of coating calcium phosphate bioactive ceramics provided by the present invention, it is a large amount of to apply
Calcium phosphate bioactive ceramics, can further enhance the biocompatibility of entire bracket, improve its service life.
Above-described is only presently preferred embodiments of the present invention, is not intended to limit the invention, all of the invention
Within spirit and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of new titanium alloy knuckle support for applying calcium phosphate bioactive ceramics, it is characterised in that: including joint handle, gold
Belong to bulb, polyethylene mortar, the metal ball-head is connected to one end of joint handle, the metal ball-head and the polyethylene
Mortar forms joint-friction with pair；
It further include closing set, the closing set is the annular of both ends open, and one end and the polyethylene mortar for closing set are close
Envelope is fixedly connected, and the outer wall for closing the other end and the joint handle of set is sealedly and fixedly connected, and the closing set is by having
The medical macromolecular materials of elasticity are made；
The closing set and joint handle, metal ball-head form articular cavity between polyethylene mortar, are filled in the articular cavity
Medical cotton, the medical cotton are bonded on the inner wall of closing set；
Lubricating fluid is stored in the articular cavity；
The lateral wall of the other end of the joint handle is equipped with arc convex, and the protrusion is made of ceramic materials, described
Protrusion surface form cellular pore structure；
The joint handle is made of titanium alloy material, and cylindrical pedestal, the joint are additionally provided in the protrusion
Handle is equipped with threaded hole, and the pedestal is threadedly coupled with the threaded hole, and the protrusion is equipped with multiple and surround joint
The circumferential setting of handle；
Fluid passage is additionally provided in the joint handle, the fluid passage is arranged along the length direction of joint handle, described
Fluid passage is located at the center of joint handle, and the joint handle is equipped with liquid outlet channel, and the liquid outlet channel is along joint
The radial direction of handle is arranged, and one end of the liquid outlet channel is connected to the fluid passage, the liquid outlet channel it is another
One end is connected to the outside of joint handle, is additionally provided with injection canal on the joint handle, one end of the injection canal with it is described
Fluid passage connection, the injection canal the other end connection joint handle outside, the entrance of the injection canal
Equipped with flexible sealing-plug.
2. a kind of new titanium alloy knuckle support for applying calcium phosphate bioactive ceramics according to claim 1, special
Sign is: the sealing-plug is made of flexible medical macromolecular materials.
3. a kind of new titanium alloy knuckle support for applying calcium phosphate bioactive ceramics according to claim 2, special
Sign is: calcium phosphate bioactive ceramics are applied on the lateral wall of the joint handle.
4. a kind of new titanium alloy knuckle support for applying calcium phosphate bioactive ceramics according to claim 3, special
Sign is: metal acetabular or ceramic mortar substitution also can be used in the polyethylene mortar.
5. a kind of new titanium alloy knuckle support for applying calcium phosphate bioactive ceramics according to claim 4, special
Sign is: the protrusion and being integrally formed setting, is both made of ceramic, and coating calcium phosphate biology thereon with pedestal
Active ceramic.
6. a kind of new titanium alloy knuckle support for applying calcium phosphate bioactive ceramics according to claim 5, special
Sign is: the liquid outlet channel is equipped with multiple and is spaced apart setting on joint handle, and dislocation is set liquid outlet channel up and down
It sets.
7. a kind of new titanium alloy knuckle support for applying calcium phosphate bioactive ceramics according to claim 6, special
Sign is: the threaded hole is to be arranged through the joint handle, and the both ends of the threaded hole are threadedly coupled a bottom respectively
Seat, is respectively equipped with threaded rod and threaded connection hole on the forward surface of two opposite pedestals, the threaded rod and described
Threaded connection hole is threadedly coupled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810731143.8A CN109223254A (en) | 2018-07-05 | 2018-07-05 | A kind of new titanium alloy knuckle support applying calcium phosphate bioactive ceramics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810731143.8A CN109223254A (en) | 2018-07-05 | 2018-07-05 | A kind of new titanium alloy knuckle support applying calcium phosphate bioactive ceramics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109223254A true CN109223254A (en) | 2019-01-18 |
Family
ID=65071701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810731143.8A Pending CN109223254A (en) | 2018-07-05 | 2018-07-05 | A kind of new titanium alloy knuckle support applying calcium phosphate bioactive ceramics |
Country Status (1)
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| CN (1) | CN109223254A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110411850A (en) * | 2019-07-22 | 2019-11-05 | 北京科技大学 | A kind of appraisal procedure of high-temperature alloy turbine blade service condition |
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| CN201759699U (en) * | 2010-02-02 | 2011-03-16 | 北京爱康宜诚医疗器材股份有限公司 | Combined femoral component prosthesis |
| CN102596104A (en) * | 2009-07-10 | 2012-07-18 | 米卢克斯控股股份有限公司 | Implantable lubrication device and method of treating a human or mammal patient by means of the device |
| CN203195803U (en) * | 2013-04-25 | 2013-09-18 | 重庆润泽医药有限公司 | Artificial joint capable of being firmly connected |
| CN203291078U (en) * | 2013-06-13 | 2013-11-20 | 重庆润泽医药有限公司 | Bionic hip joint |
| CN104803672A (en) * | 2015-03-31 | 2015-07-29 | 苏州维泰生物技术有限公司 | Calcium phosphate bioactive ceramic and preparation method thereof |
| CN204562466U (en) * | 2015-03-13 | 2015-08-19 | 济南大学 | A kind of New anti-loose femoral head prosthesis |
| CN205359715U (en) * | 2016-01-08 | 2016-07-06 | 四川大学 | Artifical hip joint handle that contains porous structure |
| CN106109061A (en) * | 2016-08-05 | 2016-11-16 | 北京爱康宜诚医疗器材有限公司 | Femoral stem |
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2018
- 2018-07-05 CN CN201810731143.8A patent/CN109223254A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1633312A (en) * | 2002-02-15 | 2005-06-29 | Dot有限公司 | Body joint replacement titanium implant comprising one or several base bodies |
| CN102596104A (en) * | 2009-07-10 | 2012-07-18 | 米卢克斯控股股份有限公司 | Implantable lubrication device and method of treating a human or mammal patient by means of the device |
| CN201759699U (en) * | 2010-02-02 | 2011-03-16 | 北京爱康宜诚医疗器材股份有限公司 | Combined femoral component prosthesis |
| CN203195803U (en) * | 2013-04-25 | 2013-09-18 | 重庆润泽医药有限公司 | Artificial joint capable of being firmly connected |
| CN203291078U (en) * | 2013-06-13 | 2013-11-20 | 重庆润泽医药有限公司 | Bionic hip joint |
| CN204562466U (en) * | 2015-03-13 | 2015-08-19 | 济南大学 | A kind of New anti-loose femoral head prosthesis |
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| CN110411850A (en) * | 2019-07-22 | 2019-11-05 | 北京科技大学 | A kind of appraisal procedure of high-temperature alloy turbine blade service condition |
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Application publication date: 20190118 |
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