CN113729907A - Absorbable bone fracture plate - Google Patents
Absorbable bone fracture plate Download PDFInfo
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- CN113729907A CN113729907A CN202111010780.4A CN202111010780A CN113729907A CN 113729907 A CN113729907 A CN 113729907A CN 202111010780 A CN202111010780 A CN 202111010780A CN 113729907 A CN113729907 A CN 113729907A
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- bone plate
- plate
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- 208000010392 Bone Fractures Diseases 0.000 title abstract description 17
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 201
- 239000000463 material Substances 0.000 claims abstract description 16
- 239000012530 fluid Substances 0.000 claims abstract description 9
- 210000001519 tissue Anatomy 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 206010017076 Fracture Diseases 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 5
- 230000002411 adverse Effects 0.000 abstract description 4
- 230000035876 healing Effects 0.000 abstract description 2
- 230000035515 penetration Effects 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 239000007943 implant Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 208000001132 Osteoporosis Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001054 cortical effect Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8052—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates immobilised relative to screws by interlocking form of the heads and plate holes, e.g. conical or threaded
- A61B17/8057—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates immobilised relative to screws by interlocking form of the heads and plate holes, e.g. conical or threaded the interlocking form comprising a thread
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B2017/00004—(bio)absorbable, (bio)resorbable or resorptive
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
本发明公开了一种可吸收接骨板，包括骨板主体，骨板主体由医用可吸收材料制成；至少一个骨板分支，所述骨板分支由医用可吸收材料制成，所述骨板分支设置在所述骨板主体上，并通过限位件与所述骨板主体呈多档位限制转动，以使所述骨板主体与所述骨板分支形成不同形状。该接骨板植入患者体内后会被人体吸收，从而避免了给患者带来二次手术的痛苦以及经济负担。同时，既避免了使用金属接骨板所产生的应力遮挡，降低了对新骨所产生的不良影响；而且借助可吸收接骨板上的穿透孔，有利于组织液的流动，提高骨折愈合速度；此外，该接骨板能够适用更多的部位，提高了可吸收接骨板的适用性。
The invention discloses an absorbable bone plate, comprising a bone plate main body made of medical absorbable material; at least one bone plate branch, the bone plate branch being made of medical absorbable material, the bone plate The branches are arranged on the main body of the bone plate, and the rotation of the main body of the bone plate and the main body of the bone plate are restricted in multiple gears through the limiting member, so that the main body of the bone plate and the branch of the bone plate form different shapes. The bone plate will be absorbed by the human body after being implanted in the patient, thereby avoiding the pain and economic burden of the second operation to the patient. At the same time, it not only avoids the stress shielding caused by the use of metal bone plates, but also reduces the adverse effects on new bones; and the penetration holes on the absorbable bone plates are conducive to the flow of tissue fluid and improve the speed of fracture healing. , the bone plate can be applied to more parts, and the applicability of the absorbable bone plate is improved.
Description
Technical Field
The invention relates to the field of medical auxiliary tools, in particular to an absorbable bone fracture plate.
Background
Currently, many orthopedic implants are made of metallic materials. The metal material is easy to sterilize and good in biocompatibility, and can provide necessary fixing strength to support or fix bone tissues. However, the bending modulus of the metal material is much higher than that of the cortical bone, so that the stress shielding effect is easily generated, the forming speed and quality of new bone are reduced, and the bone rarity or osteoporosis is caused, and the possibility of re-fracture exists. After the fracture is repaired, the metal implant needs to be taken out by operation, which brings pain and economic burden of secondary operation to patients.
Disclosure of Invention
The invention provides an absorbable bone fracture plate, which can reduce stress shielding effect, reduce adverse effect on new bones, meet the use requirements of special structures at the near end or the far end of different ages and different parts, particularly dry bones, and can be temporarily shaped.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
the technical scheme of the invention provides an absorbable bone fracture plate, which comprises:
a bone plate body made of a medical absorbable material;
at least one bone plate branch, the bone plate branch is made of medical absorbable material, the bone plate branch is arranged on the bone plate main body and limits rotation with the bone plate main body through a limiting piece in multiple gears, so that the bone plate main body and the bone plate branch form different shapes.
Preferably, the bone plate branch is one, and the bone plate branch and the bone plate main body are limited to rotate in multiple gears through the limiting piece, so that the bone plate main body and the bone plate branch form an included angle with a set angle.
Preferably, the set angle is 0 to 180 °.
Preferably, the bone plate branches are two or more, and the bone plate branches and the bone plate main body are limited to rotate in multiple gears through the limiting pieces, so that the bone plate main body and the bone plate branches form a branch shape.
Preferably, the position-limiting element is a pre-tightening screw, and the pre-tightening screw is arranged on the bone plate main body and the bone plate branch in a penetrating manner, so that a pre-tightening force with a set magnitude is formed between the bone plate main body and the bone plate branch.
Preferably, the bone plate body and the bone plate branch are both adjustable in length, and the bone plate body and the bone plate branch have a set range of length ratios.
Preferably, the length ratio of the bone plate branches to the bone plate main body is 1: 5-1: 1.
Preferably, the bone plate main body and the bone plate branches are respectively provided with at least one working hole for installing a bone screw.
Preferably, the bone plate main body and the bone plate branch are provided with at least one penetrating hole for tissue fluid to penetrate and flow.
Preferably, the through holes are arranged to penetrate in the thickness direction of the bone plate main body and the bone plate branch, or arranged to penetrate in the thickness direction of the bone plate main body and the bone plate branch at a predetermined inclination angle.
Compared with the prior art, the invention has the following beneficial effects:
according to the absorbable bone plate provided by the technical scheme, the bone plate main body and the bone plate branches are made of medical absorbable materials, so that after the bone plate is implanted into a patient, the bone plate can be absorbed by the human body along with the slow recovery of the patient, and the pain and the economic burden of a secondary operation on the patient are avoided. Meanwhile, the bone plate main body and the bone plate branches made of medical absorbable materials are matched with the limiting pieces for use, so that stress shielding caused by using a metal bone plate is avoided, and adverse effects on new bones are reduced; moreover, the penetration holes on the absorbable bone fracture plate are beneficial to the flow of tissue fluid and the fracture healing speed is improved; in addition, the bone plate main body and the bone plate branches can form different shapes, and a user can adjust the included angle between the branches and the main plate according to the fracture part of a patient, so that the bone plate can be suitable for more parts, and the applicability of the absorbable bone plate is improved.
Drawings
FIG. 1 is a schematic structural view of a resorbable bone plate provided in accordance with an embodiment of the present invention;
FIG. 2 is a schematic view of another configuration of the use state of FIG. 1;
FIG. 3 is a schematic structural view of another resorbable bone plate provided in accordance with an embodiment of the present invention;
FIG. 4 is a schematic view of another configuration of the use state of FIG. 3;
FIG. 5 is a schematic view of another embodiment of a resorbable bone plate of the present invention.
In the drawings, each reference numeral denotes:
1. a bone plate body; 2. a bone plate branch; 3. a limiting member; 4. a working hole; 5. and penetrating the hole.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1 to 4, an embodiment of the present invention provides an absorbable bone plate, including: a bone plate body 1 and at least one bone plate branch 2.
The bone plate main body 1 is made of medical absorbable material; the bone plate branch 2 is made of medical absorbable materials, the bone plate branch 2 is arranged at one end of the bone plate main body 1, and the bone plate branch 2 and the bone plate main body 1 are limited to rotate in multiple positions through a limiting piece 3, so that the bone plate main body 1 and the bone plate branch 2 form different shapes.
In this embodiment, specifically, because the bone plate main body 1 and the bone plate branch 2 are made of medical absorbable materials, when the bone plate is implanted into a patient, along with the slow recovery of the patient, the bone plate can be absorbed by the human body, only the limiting part 3 needs to be taken out at the later stage (under the condition that the limiting part 3 is a metal part), meanwhile, the limiting part 3 can also be made of absorbable materials, if the limiting part 3 is made of absorbable materials, the limiting part can be directly absorbed by the human body, the limiting part 3 does not need to be taken out again, and therefore the pain and the economic burden of the secondary operation on the patient are avoided. Meanwhile, the bone plate main body 1 and the bone plate branches 2 which are made of medical absorbable materials are matched with the limiting piece 3, so that stress shielding caused by using a metal bone plate is avoided, and adverse effects on new bones are reduced; by means of the high strength of the limiting part 3, the overall strength of the absorbable bone fracture plate is improved, and the situation that the bone fracture plate is not firmly fixed is avoided; in addition, the bone plate main body 1 and the bone plate branches 2 can be formed into different shapes, so that the bone plate can be suitable for more parts, and the applicability of the absorbable bone plate is improved.
Example two:
referring to fig. 1 and 2, in the first embodiment, preferably, the bone plate branch 2 is one, and the bone plate branch 2 is limited in rotation with the bone plate main body 1 through the limiting member 3 in multiple positions, so that the bone plate main body 1 and the bone plate branch 2 form a set angle.
Specifically, in the embodiment, the value range of the set angle is 0-180 degrees, and when the angle between the bone plate branch 2 and the bone plate main body 1 is 180 degrees, the bone plate branch 2 and the bone plate main body 1 are in an I shape; when the angle between the bone plate branch 2 and the bone plate main body 1 is 90 degrees, the bone plate branch 2 and the bone plate main body 1 are in an L shape; when the angle between the bone plate branch 2 and the bone plate main body 1 is other angles, the bone plate branch 2 and the bone plate main body 1 are in other corresponding shapes, such as an inclined L shape, so that the specific shape of the bone plate can be adjusted according to different use conditions, and the applicability of the bone plate is improved.
In the above embodiment, preferably, the limiting member 3 is a pre-tightening screw, and the pre-tightening screw is inserted through the bone plate main body 1 and the bone plate branch 2, so that a pre-tightening force of a set magnitude is provided between the bone plate main body 1 and the bone plate branch 2. In particular, in this embodiment, the pre-tightening screw 3 is used to provide pre-tightening force to allow the plate body 1 and the plate branch 2 to rotate relative to each other, and at the same time, to maintain the position no matter where the plate body 1 and the plate branch 2 rotate, so that the bone plate can be adjusted in shape very conveniently. It should be understood that the pretensioning screw is only one type of the structure of the limiting member 3, but is not limited to this type of structure, and other limiting structures can be adaptively replaced.
In the above embodiments, it is preferable that the bone plate body 1 and the bone plate branch 2 are adjustable in length, and the bone plate body 1 and the bone plate branch 2 have a set range of length ratios. Specifically, in this embodiment, the bone plate main body 1 and the bone plate branches 2 can be respectively extended and retracted along the respective length direction, so as to adjust the respective lengths, thereby adapting to different use conditions, further meeting the diversified requirements of the operation, and being beneficial to improving the applicability of the bone plate. The specific structure of the bone plate body 1 and the bone plate branches 2 is not limited herein. For example: in one embodiment, the bone plate body 1 and the bone plate branch 2 may each be composed of a base plate and a sliding plate, and the overall length of the bone plate body 1 and the bone plate branch 2 is adjusted by sliding the sliding plate along the base plate; or, in another embodiment, the stretchable folds are arranged on the bone plate main body 1 and the bone plate branch 2, so that the stretchable length of the folds is utilized to adjust the overall length of the bone plate main body 1 and the bone plate branch 2, and the like.
In the above embodiment, it is preferable that the ratio of the length of the bone plate branch 2 to the length of the bone plate body 1 is 1: 3-1: 1, that is, the length of the bone plate body 1 is 1-3 times of the length of the bone plate branch 2, and the specific length ratio can be adjusted adaptively according to different implantation sites of patients.
In the above embodiment, preferably, the bone plate main body 1 and the bone plate branch 2 are both provided with at least one working hole 4 for installing bone screws. Specifically, the working hole 4 can be a threaded hole or a counter bore, when the working hole 4 is a threaded hole, the bone screw is a bolt, and the bone plate main body 1 and the bone plate branch 2 are implanted into the bone of a human body in a threaded matching mode; when the working holes 4 are counter-bored holes, the bone screws are self-tapping screws, and the bone plate main body 1 and the bone plate branches 2 are implanted into the bone of the human body by the self-tapping screws penetrating the counter-bored holes and being connected with the bone of the human body.
In the above embodiment, preferably, the bone plate main body 1 and the bone plate branch 2 are both provided with at least one penetrating hole 5 for penetrating and flowing tissue fluid. Specifically, the penetrating hole 5 is equivalent to provide a through channel, so that tissue fluid in a human body can flow through the channel, the blocking phenomenon of the tissue fluid at the bone fracture plate can be avoided, and meanwhile, the penetrating hole 5 can be used for facilitating the absorption of the bone fracture plate by the human body.
In the above embodiment, it is preferable that the through holes 5 are formed through the bone plate body 1 and the bone plate branch 2 in the longitudinal direction, or perpendicular to the longitudinal direction of the bone plate body 1 and the bone plate branch 2, or formed through the bone plate body 1 and the bone plate branch 2 at a predetermined inclination angle. In particular, in this embodiment, the arrangement of the through-openings 5 can be adapted to the mounting position of the osteosynthesis plate and the direction of flow of the tissue fluid, so that the tissue fluid can be kept free to the greatest possible extent.
In the above embodiment, it is preferable that the number of the working holes 4 is n1And the diameter of the working hole 4 is r1The number of the through holes 5 is n2And the diameter of the through hole 5 is r2Wherein n is2*πr2 2<n1*πr1 2. Specifically, in this embodiment, the total area of the through holes 5 is smaller than the total area of the working holes, so as to ensure that the bone plate has sufficient mechanical properties, wherein the specific number of the working holes 4 and the number of the through holes 5 may be the same or different, and the diameter of the working holes 4 and the diameter of the through holes 5 may be the same or different, and may be specifically selected adaptively according to actual needs.
Example three:
referring to fig. 3, 4 and 5, in the first embodiment, preferably, the bone plate has two bone plate branches 2, and the two bone plate branches 2 are disposed at one end of the bone plate body 1 and are limited in rotation with the bone plate body 1 by the limiting member 3 in multiple positions, so that the bone plate body 1 and the bone plate branches 2 form a branch shape.
Specifically, in this embodiment, when the two plate branches 2 are perpendicular to the plate body 1 and located on both sides of the plate body 1, the plate is "T" -shaped; when the angle between the two bone plate branches 2 and the bone plate main body 1 is between 90 and 180 degrees, the bone plate is Y-shaped; therefore, the specific shape of the bone fracture plate can be adjusted according to different use conditions, so that the applicability of the bone fracture plate is improved.
It is understood that the structure of this embodiment is the same as that of the second embodiment except for the number of bone plate branches 2, and the description thereof is omitted.
In addition, referring to fig. 5, in this embodiment, the through holes 5 are penetratingly arranged in the thickness direction of the bone plate body 1 and the bone plate branches 2, and the number of the through holes 5 is larger than the number of the working holes 4, and the diameter of the through holes 5 is smaller than the diameter of the working holes 4. Furthermore, it should be noted that the total area of the through-holes 5 is smaller than the total area of the working holes 4, so that sufficient mechanical properties of the bone plate are ensured.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the present invention shall be covered thereby. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. An absorbable bone plate, comprising:
a bone plate body made of a medical absorbable material;
at least one bone plate branch, the bone plate branch is made of medical absorbable material, the bone plate branch is arranged on the bone plate main body and limits rotation with the bone plate main body through a limiting piece in multiple gears, so that the bone plate main body and the bone plate branch form different shapes.
2. The resorbable bone plate of claim 1, wherein the plate branch is one, and wherein the plate branch is rotatably restrained by the retaining member in a plurality of positions relative to the plate body such that the plate body forms a set angular angle with the plate branch.
3. The absorbable bone plate of claim 2, wherein the set angle is 0-180 °.
4. The resorbable bone plate of claim 1, wherein the plate branches are two or more and are rotatably limited by the retaining members in multiple positions relative to the plate body such that the plate body and the plate branches form a branch shape.
5. The resorbable bone plate of claim 2 or 4, wherein the retaining member is a pre-tightening screw that is threaded through the plate body and the plate branches to provide a pre-tightening force of a set magnitude between the plate body and the plate branches.
6. The absorbable bone plate of claim 5, wherein the plate body and the plate branches are each adjustable in length, and the plate body and the plate branches have a set range of length ratios.
7. The absorbable bone plate of claim 6, wherein the bone plate branches have a length to the bone plate body ratio of 1:5 to 1: 1.
8. The resorbable bone plate of claim 1, wherein the plate body and the plate limbs each have at least one working hole for receiving a bone screw.
9. The absorbable bone plate of claim 8, wherein the plate body and the plate branches each have at least one through hole for tissue fluid to flow therethrough.
10. The absorbable bone plate of claim 9, wherein the through holes are provided through the plate body and the plate branches in the thickness direction thereof or at a predetermined oblique angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111010780.4A CN113729907A (en) | 2021-08-31 | 2021-08-31 | Absorbable bone fracture plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111010780.4A CN113729907A (en) | 2021-08-31 | 2021-08-31 | Absorbable bone fracture plate |
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| CN113729907A true CN113729907A (en) | 2021-12-03 |
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| CN202111010780.4A Pending CN113729907A (en) | 2021-08-31 | 2021-08-31 | Absorbable bone fracture plate |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040102778A1 (en) * | 2002-11-19 | 2004-05-27 | Huebner Randall J. | Adjustable bone plates |
| CN104546103A (en) * | 2015-01-20 | 2015-04-29 | 深圳市博立生物材料有限公司 | Absorbable intraosseous fixing device with biological activity and plasticity and forming method |
| CN209186913U (en) * | 2018-12-02 | 2019-08-02 | 牟遐平 | A kind of fracture Minimally Invasive Surgery bone-knitting device |
| CN209884293U (en) * | 2019-01-30 | 2020-01-03 | 常州鼎健医疗器械有限公司 | Straight metal bone plate made of TC20 metal material |
| RU202646U1 (en) * | 2020-10-20 | 2021-03-01 | федеральное государственное бюджетное учреждение "Национальный медицинский исследовательский центр травматологии и ортопедии имени академика Г.А. Илизарова" Министерства здравоохранения Российской Федерации | Endoprosthesis of the hip joint with a honeycomb structure and a bioactive coating |
| CN215821128U (en) * | 2021-08-31 | 2022-02-15 | 长春圣博玛生物材料有限公司 | Absorbable bone fracture plate |
-
2021
- 2021-08-31 CN CN202111010780.4A patent/CN113729907A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040102778A1 (en) * | 2002-11-19 | 2004-05-27 | Huebner Randall J. | Adjustable bone plates |
| CN104546103A (en) * | 2015-01-20 | 2015-04-29 | 深圳市博立生物材料有限公司 | Absorbable intraosseous fixing device with biological activity and plasticity and forming method |
| CN209186913U (en) * | 2018-12-02 | 2019-08-02 | 牟遐平 | A kind of fracture Minimally Invasive Surgery bone-knitting device |
| CN209884293U (en) * | 2019-01-30 | 2020-01-03 | 常州鼎健医疗器械有限公司 | Straight metal bone plate made of TC20 metal material |
| RU202646U1 (en) * | 2020-10-20 | 2021-03-01 | федеральное государственное бюджетное учреждение "Национальный медицинский исследовательский центр травматологии и ортопедии имени академика Г.А. Илизарова" Министерства здравоохранения Российской Федерации | Endoprosthesis of the hip joint with a honeycomb structure and a bioactive coating |
| CN215821128U (en) * | 2021-08-31 | 2022-02-15 | 长春圣博玛生物材料有限公司 | Absorbable bone fracture plate |
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