CN107468380A - A kind of the noninvasive of non-contact electromagnetic driving extends deficient artificial prosthesis - Google Patents
A kind of the noninvasive of non-contact electromagnetic driving extends deficient artificial prosthesis Download PDFInfo
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- CN107468380A CN107468380A CN201710449905.0A CN201710449905A CN107468380A CN 107468380 A CN107468380 A CN 107468380A CN 201710449905 A CN201710449905 A CN 201710449905A CN 107468380 A CN107468380 A CN 107468380A
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- artificial prosthesis
- reduction box
- permanent magnet
- prosthesis according
- extend
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- 230000002950 deficient Effects 0.000 title abstract description 3
- 238000001356 surgical procedure Methods 0.000 claims description 6
- 210000000988 bone and bone Anatomy 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 5
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims description 3
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000003814 drug Substances 0.000 claims 2
- 210000000689 upper leg Anatomy 0.000 description 10
- 210000002303 tibia Anatomy 0.000 description 9
- 210000002414 leg Anatomy 0.000 description 8
- 210000003414 extremity Anatomy 0.000 description 6
- 230000007547 defect Effects 0.000 description 4
- 210000000629 knee joint Anatomy 0.000 description 4
- 206010005949 Bone cancer Diseases 0.000 description 3
- 208000018084 Bone neoplasm Diseases 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 230000012010 growth Effects 0.000 description 2
- 210000004349 growth plate Anatomy 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 201000008968 osteosarcoma Diseases 0.000 description 2
- 230000002980 postoperative effect Effects 0.000 description 2
- 238000002271 resection Methods 0.000 description 2
- 206010017577 Gait disturbance Diseases 0.000 description 1
- 208000035965 Postoperative Complications Diseases 0.000 description 1
- 235000018259 Solanum vestissimum Nutrition 0.000 description 1
- 240000002825 Solanum vestissimum Species 0.000 description 1
- 238000002266 amputation Methods 0.000 description 1
- 210000003423 ankle Anatomy 0.000 description 1
- 239000002639 bone cement Substances 0.000 description 1
- 230000008468 bone growth Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 210000002745 epiphysis Anatomy 0.000 description 1
- 210000002758 humerus Anatomy 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 208000008798 osteoma Diseases 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000004393 prognosis Methods 0.000 description 1
- 230000037390 scarring Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 210000001694 thigh bone Anatomy 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
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
-
- 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
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30537—Special structural features of bone or joint prostheses not otherwise provided for adjustable
- A61F2002/3055—Special structural features of bone or joint prostheses not otherwise provided for adjustable for adjusting length
-
- 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
- A61F2002/30667—Features concerning an interaction with the environment or a particular use of the prosthesis
- A61F2002/30668—Means for transferring electromagnetic energy to implants
-
- 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
- A61F2002/30667—Features concerning an interaction with the environment or a particular use of the prosthesis
- A61F2002/30706—Features concerning an interaction with the environment or a particular use of the prosthesis specially designed for children, e.g. having means for adjusting to their growth
-
- 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
- A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2210/009—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof magnetic
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)
Abstract
The invention belongs to medical instruments field, specifically, it is related to a kind of the noninvasive of non-contact electromagnetic driving and extends deficient artificial prosthesis, the artificial prosthesis extends mechanism with electromagnetic drive, described electromagnetic drive, which extends mechanism, mainly by permanent magnet (1), reduction box (2), linear leading screw (3) and can extend several parts such as its part (4) and form, and described electromagnetic drive extension mechanism can be forward extended out to extend in the case where outside driving magnetic field acts on by that can extend its part (4).
Description
Technical field
The invention belongs to medical instruments field, specifically, being related to a kind of the noninvasive of non-contact electromagnetic driving extends defect
Type artificial prosthesis.
Background technology
Chinese annual primary osteosarcoma case is about 10,000 many cases.Osteosarcoma accounts for the 10% of primary bone tumour, accounts for primary evil
Property tumour 20%, be the people of 1-3 people/1,000,000 per annual morbidity, wherein 75% patient age 10-30 year, is to have a strong impact on
Between twenty and fifty physically and mentally healthy malignant tumour.
The concept of limb-sparing surgery gradually developed in past 25 years, ripe.Limb-sparing surgery mainly includes involvement osteoma section
Complete resection and Cranial defect reconstruction, the bone tumour diagnosis and treatment center of US and European uses in past two, 30 years
Various reconstruction techniques, limbs after bone tumour resection are rebuild, with recent years to different method for reconstructing follow-up knots
The advantages of fruit analysis finds, artificial metal prosthese, which is rebuild, achieves preferable medium-long term Follow-up results, and artificial prosthesis is rebuild includes：
Interior fixation is durable, and well, preferable short-term and long-term function prognosis, postoperative ankle mobility are good for the stabilization of immediate postoperative.
For teenager, the growth of distal femur and proximal tibia epiphyseal plate (bone growth position) accounts for whole lower limb rise hair
Educate the 70% of length.The excision of distal part of femur epiphyseal plate can make suffering limb lose about 1.6cm length every year.Consider for this reason,
Patients with Bone Tumor progress knee joint excision (often less than 10 years old) for age very little will necessarily cause serious leg length discrepancy.
For children's Patients with Bone Tumor, with life span extension, leg length discrepancy and limping caused by knurl section amputation prosthese is rebuild
Increasingly increase etc. complication.Children because bone also has very big growth ability, with children's grow up by any metal prostheses
Finally it is required for overhauling.
Current 10% bone primary tumo(u)r patient is faced with the problem of leg length discrepancy after limb-sparing surgery.After children's Limb preservation
Leg length discrepancy is increasingly becoming the hot issue in the field.Prosthese, which can be extended, can preferably solve this problem, but due to working as
Extension is required to by operation the preceding widely used prosthese that extends every time, is cut certain length otch and is appeared extension screw, profit
Extend prosthese with mechanical actuation device, and extending length is limited (nervus vasculairs can not be resistant to drawing) every time, Repeated Operation increase
Infect probability and tissue scarring.Therefore, the invasive prosthese that extends that current physician uses greatly increases for child patient
The probability of operation number and postoperative complications.This frequently surgical procedure will continue 10 years even it is longer, patient is caused
Pain and financial burden it is all quite big.
Traditional Artificial Intervention prosthese is as shown in figure 1, joint both ends pass through bone cement or press-fitting (biology by broach structure
It is fixed) mode is individually fixed in the femur and shin bone pulp cavity of patient, it can bear the life of human body normal physiological after Using prosthesis
Load, and meet scope of activities needed for knee joint daily routines.
The present invention devise it is a kind of it is brand-new extend artificial prosthesis, the prosthese need not enter when extending to infant affected part
Row second operation, but drive the extension fixture inside prosthese to realize " noninvasive " extension by external alternating magnetic field, it is complete to infant
It is complete not cause the pain that secondary or Repeated Operation is brought, and can be increased according to infant leg growing state in the unit interval (such as
In 1 year) extend number, accordingly reduce each extending length so that infant is more easily adapted to conform to the both legs length after extending every time
And equilibrium problem.It is proposed by the present invention extend artificial prosthesis can preferably solve child patient limb tumor excision after limbs not
The problem of isometric, there is extensive dissemination and actual application value for similar infant.
The content of the invention
Present invention firstly relates to a kind of artificial prosthesis for extending mechanism with electromagnetic drive, described electromagnetic drive extends machine
Structure mainly by permanent magnet (1), reduction box (2), linear leading screw (3) and can extend several parts such as its part (4) and form, described
Electromagnetic drive, which extends mechanism, to be forward extended out under the effect of outside driving magnetic field by that can extend its part (4) to extend.
Described permanent magnet is arranged in the cavity of one end of prosthese, is fixedly attached to the input of reduction box, Neng Gou
Rotated in the presence of external drive magnetic field in the cavity of described artificial joint prosthesis；
Described reduction box input rotates under the drive of permanent magnet, is exported by deceleration transmission in reduction box output end
Compared with the slow-speed of revolution and larger output torque；
The output end of described reduction box is connected to linear leading screw one end, the relatively slow-speed of revolution that will be obtained by permanent magnet rotating
It is applied to larger output torque on the linear leading screw, is rotated with linear leading screw and promote screw slider forward；
Described screw slider, which is fixed on, to be connected on the inwall for extending its part of outside epiphysis, can be pushed away forward
Dynamic extensible prosthese movement, increases prosthese defect segment length, extends the distance between both sides broach；
Described screw slider is connected with the screw thread that connects through that can extend its part；
The described outer wall for extending its part can extend in the sleeve of mechanism described in being nested in, and be promoted by screw slider
Extending radially forward, while axial restraint does not rotate.
Described permanent magnet uses cylindrical structure in structure design, is radially magnetized, and material uses neodymium iron boron
Magnetic material.
Described external drive magnetic field is an alternating magnetic field rotated at a high speed, passes through the permanent magnetism in electromagnetic field drive prosthese
Body concomitant rotation.
Described reduction box is gear multistage planet reduction box；Input to output end rotation ratio be 15000：1, lead to
Cross external drive field drives screw slider and move forward 1-2mm about 3.5 minutes of needs.
Described artificial prosthesis is applied to the whole body long bones such as proximal humerus, near end of thighbone, distal femur, proximal tibia
Position.
Driving principle more than and extend mechanism and design, can effectively solve existing orthopaedics and can extend prosthese to extend
When the problem of needing repeat surgery, infant can reach identical prolongation effect by " noninvasive " extension pattern, no matter it is economical,
The various aspects such as convenience, security have obvious innovation compared to conventional method, are with a wide range of applications.
Brief description of the drawings
Fig. 1, Traditional Man implantation prosthese pictorial diagram.
Fig. 2, of the present invention be arranged between femur and shin bone can extend prosthese comprising kneed field drives
Structure chart.
Fig. 3, of the present invention be arranged between femur and shin bone can extend prosthese comprising kneed field drives
Section of structure, wherein (1) is permanent magnet, (2) are reduction box, (3) are linear leading screw, (4) are that can extend its part.
Embodiment
Kneed artificial prosthesis is included between embodiment 1, femur and shin bone
Fig. 2, which show to be arranged between femur and shin bone, includes kneed artificial prosthesis design drawing and schematic diagram.
One end of described artificial prosthesis is artificial knee joint, and described artificial prosthesis both ends pass through bone by broach structure
Cement or press-fitting (biological fixation) mode are individually fixed in the femur and shin bone pulp cavity of patient, and human body can be born after Using prosthesis
The load of normal physiological life, and meet scope of activities needed for knee joint daily routines.
Described artificial prosthesis electromagnetic drive can extend mechanism by permanent magnet (1), reduction box (2), linear leading screw (3) and be
A few part compositions such as its part (4) can be extended, permanent magnet is fixedly attached to the input of reduction box, and the output end of reduction box connects
Linear leading screw one end is connected to, under magnetic fields, permanent magnet rotates at a high speed in patient's body, is obtained by reduction box deceleration transmission
Larger output torque and compared with the slow-speed of revolution, with linear leading screw rotation forces screw slider, screw slider is directly anchored to be connected to
Outside femur or shin bone extend on its part, can extend its part movement as leading screw rotary slider promotes forward,
The described axial restraint for extending its part is motionless, radially can extend mechanism from the electromagnetic drive with the promotion of sliding block
Sleeve in extend, add prosthese defect segment length, that is, add the distance between both sides broach, play extension rebuild limb
The purpose of body length.
Permanent magnet uses neodymium-iron-boron magnetic material；The main purpose of reduction box design needs to obtain big output torque, can
The external drive magnetic field for extending prosthese is an alternating magnetic field rotated at a high speed, and internal permanent magnet is driven therewith by electromagnetic field
Rotate.Due to the limitation of application environment, permanent magnet own vol very little, magnetic field is placed in beyond human leg, non-contact human.It is logical
The rotation of external magnetic field is crossed, design, which often drives sliding block to move forward 1-2mm, needs about 3.5 minutes or so time.Such drive
It is acceptable for leg extends to move speed and extension time, because to certainly when patient is also required to slowly adapt to extend
Uncomfortable caused by body, collateral damage will not be caused to patient body by slowly extending.
Finally it should be noted that above example only helps skilled in the art to understand the essence of the present invention, do not have to
Do limiting the scope of the present invention.
Claims (10)
1. a kind of artificial prosthesis for extending mechanism with electromagnetic drive, described electromagnetic drive extends mechanism mainly by permanent magnet
(1), reduction box (2), linear leading screw (3) and several parts such as its part (4) composition can be extended, described electromagnetic drive extends machine
Structure can be forward extended out to extend under the effect of outside driving magnetic field by that can extend its part (4).
2. artificial prosthesis according to claim 1, it is characterised in that described permanent magnet is arranged on the sky of one end of prosthese
In chamber, the input of reduction box is fixedly attached to, can be in the presence of outside driving magnetic field in described artificial joint prosthesis
Cavity in rotate.
3. artificial prosthesis according to claim 1 or 2, it is characterised in that described reduction box input is in permanent magnet
Lower rotation is driven, is exported by deceleration transmission in reduction box output end compared with the slow-speed of revolution and larger output torque.
4. artificial prosthesis according to claim 1 or 2, it is characterised in that described linear leading screw is connected to the deceleration
The output end of case, the relatively slow-speed of revolution and larger output torque that the reduction box obtains the permanent magnet rotating are applied to the line
On sex pilus thick stick, rotated with linear leading screw and promote screw slider forward.
5. artificial prosthesis according to claim 4, it is characterised in that described screw slider, which is fixed on, is connected to outside bone
On the inwall for extending its part at end, it is preferred that the leading screw outer wall and the described inwall for extending its part lead to
Cross and be screwed.
6. artificial prosthesis according to claim 1 or 2, it is characterised in that the described outer wall for extending its part is embedding
It can extend described in being enclosed in the sleeve of mechanism, be promoted and extended radially forward by screw slider, while axial restraint does not rotate.
7. artificial prosthesis according to claim 2, it is characterised in that described permanent magnet is cylindrical structure, radially
Magnetized, material is neodymium-iron-boron magnetic material.
8. artificial prosthesis according to claim 1, it is characterised in that described external drive magnetic field is one and rotated at a high speed
Alternating magnetic field.
9. artificial prosthesis according to claim 1, it is characterised in that described reduction box slows down for gear multistage planet
Case, the rotation ratio of input to output end is 15000：1.
10. including the medicine equipment of any described artificial prosthesis of claim 1-9, described medicine equipment is used for Orthopeadic Surgery.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710449905.0A CN107468380A (en) | 2017-06-14 | 2017-06-14 | A kind of the noninvasive of non-contact electromagnetic driving extends deficient artificial prosthesis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710449905.0A CN107468380A (en) | 2017-06-14 | 2017-06-14 | A kind of the noninvasive of non-contact electromagnetic driving extends deficient artificial prosthesis |
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| Publication Number | Publication Date |
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| CN107468380A true CN107468380A (en) | 2017-12-15 |
Family
ID=60594092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710449905.0A Pending CN107468380A (en) | 2017-06-14 | 2017-06-14 | A kind of the noninvasive of non-contact electromagnetic driving extends deficient artificial prosthesis |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107518961A (en) * | 2017-08-18 | 2017-12-29 | 上海微创医疗器械（集团）有限公司 | Prosthesis and prosthesis system |
| CN112674912A (en) * | 2020-12-30 | 2021-04-20 | 北京爱康宜诚医疗器材有限公司 | Long bone lengthening prosthesis |
| CN113101016A (en) * | 2021-05-13 | 2021-07-13 | 北京爱康宜诚医疗器材有限公司 | Prosthesis connecting element and prosthesis assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1433286A (en) * | 2000-04-13 | 2003-07-30 | 伦敦大学学院 | Surygical distraction device |
| US20040193266A1 (en) * | 2003-03-31 | 2004-09-30 | Meyer Rudolf Xaver | Expansible prosthesis and magnetic apparatus |
| CN201551418U (en) * | 2009-12-10 | 2010-08-18 | 北京大学人民医院 | Epiphysis bone coloboma type man-made prosthesis |
| CN102144943A (en) * | 2011-04-27 | 2011-08-10 | 清华大学 | Non-invasive telescopic false body |
| CN104323876A (en) * | 2014-11-05 | 2015-02-04 | 丁华 | Permanent magnet type adjustable long bone prosthesis as well as adjusting device and method thereof |
| CN211067218U (en) * | 2017-06-14 | 2020-07-24 | 姬涛 | Non-contact electromagnetic-driven noninvasive and extensible defect type artificial prosthesis |
-
2017
- 2017-06-14 CN CN201710449905.0A patent/CN107468380A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1433286A (en) * | 2000-04-13 | 2003-07-30 | 伦敦大学学院 | Surygical distraction device |
| US20040193266A1 (en) * | 2003-03-31 | 2004-09-30 | Meyer Rudolf Xaver | Expansible prosthesis and magnetic apparatus |
| CN201551418U (en) * | 2009-12-10 | 2010-08-18 | 北京大学人民医院 | Epiphysis bone coloboma type man-made prosthesis |
| CN102144943A (en) * | 2011-04-27 | 2011-08-10 | 清华大学 | Non-invasive telescopic false body |
| CN104323876A (en) * | 2014-11-05 | 2015-02-04 | 丁华 | Permanent magnet type adjustable long bone prosthesis as well as adjusting device and method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107518961A (en) * | 2017-08-18 | 2017-12-29 | 上海微创医疗器械（集团）有限公司 | Prosthesis and prosthesis system |
| CN112674912A (en) * | 2020-12-30 | 2021-04-20 | 北京爱康宜诚医疗器材有限公司 | Long bone lengthening prosthesis |
| CN112674912B (en) * | 2020-12-30 | 2022-04-12 | 北京爱康宜诚医疗器材有限公司 | Long bone lengthening prosthesis |
| CN113101016A (en) * | 2021-05-13 | 2021-07-13 | 北京爱康宜诚医疗器材有限公司 | Prosthesis connecting element and prosthesis assembly |
| CN113101016B (en) * | 2021-05-13 | 2022-08-16 | 北京爱康宜诚医疗器材有限公司 | Prosthesis connecting element and prosthesis assembly |
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