CN104095674B - The absorbable-bone plate of self adaptation attaching type band shirt rim - Google Patents
The absorbable-bone plate of self adaptation attaching type band shirt rim Download PDFInfo
- Publication number
- CN104095674B CN104095674B CN201410337052.8A CN201410337052A CN104095674B CN 104095674 B CN104095674 B CN 104095674B CN 201410337052 A CN201410337052 A CN 201410337052A CN 104095674 B CN104095674 B CN 104095674B
- Authority
- CN
- China
- Prior art keywords
- hone lamella
- magnesium
- alloy
- polylactic acid
- shirt rim
- Prior art date
- 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.)
- Active
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- 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, setting implements or the like
- 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
- A61B17/8004—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates with means for distracting or compressing the bone or bones
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/02—Inorganic materials
- A61L31/022—Metals or alloys
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/08—Materials for coatings
- A61L31/10—Macromolecular materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/14—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L31/148—Materials at least partially resorbable by the body
Abstract
The present invention relates to a kind of absorbable-bone plate of self adaptation attaching type band shirt rim, this hone lamella is composited by magnesium alloy and polylactic acid, wherein plate body part is that magnesium alloy is formed, its outer surface is coated one deck polylactic acid (1d), there are a vollyball shape screw (1b) in magnesium alloy hone lamella main part (1) central authorities, there is step-like shirt rim (2) at its edge, step-like shirt rim (2) has and is multiplely filled the hole (1a) of building by polylactic acid, the length of this hone lamella is between 20mm-442mm, the thickness of plate body part is between 0.4mm-6.5mm, the width of hone lamella is between 3mm-22mm, the height of plate body part (1) edge step is the 1/5-1/2 of hone lamella thickness, width is the 1/10-1/8 of hone lamella width, on its step, the diameter of hole (1a) is the 1/3-1/2 of step width.Because hone lamella edge is step-like, the main part of hone lamella be main stress and load bear carrier, so hone lamella still maintains good mechanical property and good mechanical performance.
Description
Technical field
The invention belongs to Absorbable rod orthopaedics technical field of medical instruments, be specially the absorbable-bone plate of the absorbable medical self adaptation attaching type band shirt rim of a kind of human body.
Background technology
In surgery clinical operation, bone wound is a kind of common disease, and the selection of osseous tissue injury repairing hone lamella is one of difficult problem of medical science always.The metal such as rustless steel or titanium alloy is generally as the artificial implant material that hone lamella is conventional in current surgical operation.The hone lamella being 200810054505.0 prepared by " dissection bone plate for locking wall agnail angle after acetabulum " as the patent No. be 200610154959.6 " a kind of orthopaedics implant locking elastic bone plate ", the patent No. is traditional metal material, although these hone lamellas play a role in crevice corrosion, hone lamella locking etc., but because rustless steel etc. cannot be degraded in human body, and under the corrosion of human body fluid, the potential hazard ratio of the poisonous ion pair such as the Cr in rustless steel human body is larger.The patent No. be 200710032725.9 " a kind of preparation method of the material for hone lamella, nail, bone block " what adopt is that degradation material is compositely suppressed to form, although this hone lamella is can at people's vivo degradation, but the mechanical property of this hone lamella and mechanical performance poor, after degraded a period of time, its intensity can not meet fixing needs again, is so just unfavorable for reparation and the healing of patient's bone injury.
The hone lamella be composited by magnesium alloy, polylactic acid can overcome above shortcoming.Magnesium alloy has at bone internal fixation implantation material the performance advantage that much other metal materials are incomparable on the one hand, and the main part of this hone lamella is magnesium alloy, not only ensure that the requirement of mechanical property needed for hone lamella and mechanical performance, and it also has good biocompatibility simultaneously, the excessive magnesium that degraded is separated out can be excreted by urine, has good safety.Polylactic acid is a kind of conventional biodegradation medical material on the other hand, harmless to human non-toxic.Polylactic acid has good biocompatibility, in body, be finally degraded to CO
2and H
2o sponges.
Therefore, the absorbable-bone plate of self adaptation attaching type band shirt rim prepared by the present invention not only overcomes common metal hone lamella and can not degrade, corrode shortcoming faster at people's body absorption, decreases the length of hone lamella and the number of screw simultaneously.The absorbable-bone plate of self adaptation attaching type band shirt rim prepared by the present invention has both the respective advantage of polylactic acid and magnesium alloy in its performance, can overcome again the shortcoming that both are respective simultaneously.At bone wound surgery, orthopaedics implant, especially there is good application prospect fracture fixation aspect, but there is not yet relevant research report so far both at home and abroad.
Summary of the invention
Technical problem: the present invention for solve existing hone lamella cannot from degraded or degradable hone lamella bad mechanical property and hone lamella eely shortcoming in operation installation process, provide a kind of absorbable-bone plate with mechanics and good mechanical property, the self adaptation attaching type band shirt rim fixed of certainly can degrading, be convenient to.
Technical scheme: the absorbable-bone plate of self adaptation attaching type band shirt rim of the present invention is composited by magnesium alloy and polylactic acid, wherein plate body part is that magnesium alloy is formed, its outer surface is coated one deck polylactic acid, magnesium alloy hone lamella main section central has a vollyball shape screw, there is step-like shirt rim at its edge, step-like shirt rim has and is multiplely filled the hole of building by polylactic acid, the length of this hone lamella is between 20mm-442mm, the thickness of plate body part is between 0.4mm-6.5mm, the width of hone lamella is between 3mm-22mm, the height of plate body part edge step is the 1/5-1/2 of hone lamella thickness, width is the 1/10-1/8 of hone lamella width degree, on its step, the diameter of hole is the 1/3-1/2 of step width.
The magnesium alloy of described plate body part forms by a kind of of magnalium, magnesium-manganese alloy, magnesium-zinc alloy, Mg-Zr alloys, magnesium-rare earth alloy, magnesium lithium alloy, magnesium calcium alloy or magnesium silver alloy or by the ternary of these system combinations or polynary system magnesium alloy.
The polylactic acid that described plate surface covers is poly (l-lactic acid), or poly-(D, L)-lactic acid or both copolymers or mixture, and polylactic acid molecule amount is 50,000 ~ 1,500,000.
Beneficial effect: this beneficial effect of the invention is as follows:
1, in the operation process of fixing hone lamella, the step-like shirt rim at hone lamella edge can directly be carried out simply temporary fixed with finger, because the shirt rim at hone lamella edge is thinner relative to hone lamella, be subject to extraneous pressure and easily deformation occur, thus the skeleton of itself and operation place is fitted automatically closely, avoid hone lamella generation slippage in operation process, significantly shorten operating time; Simultaneously because magnesium alloy hone lamella main part still bears most stress and load as main body framework, so alleviate the weight of whole hone lamella on the basis ensureing hone lamella excellent mechanical performances and mechanical performance.
2, the hole on the platform of step-like shirt rim, polylactic acid water be attached to plate surface time, polylactic acid is easily filled in hole, makes to cover the not easily slippage or loosen of polylactic acid in plate body part, serves the effect fixing its surperficial polylactic acid.Because hole is on the platform of step shirt rim, and the mechanical property of plate body part can not be had influence on.
3, polylactic acid covers the surface of magnesium alloy hone lamella main part, the corrosion that one side effectively prevents plate body part directly to contact with human body fluid and causes and degraded, thus be delayed the generation of the degraded of plate body part, extend the fixation of plate body part in human body, on the other hand because the corrosion resistance of polylactic acid in human body of Surface mulch is better, after the polylactic acid degraded on top layer, exposed magnesium alloy hone lamella main part out and bioresorbable just can be made to degrade, thus overcome the fast shortcoming of Corrosion Behaviors of Magnesium Alloys, maintain the function of hone lamella in human body, good effect is served to the healing of skeleton.
4, the absorbable-bone plate of this self adaptation attaching type band shirt rim is made up of polylactic acid and magnesium alloy, and both all have good biocompatibility and degradability.Polylactic acid is progressively degraded in vivo, is finally degraded to CO
2and H
2o and being predominantly absorbed; Magnesium alloy can be degraded in vivo gradually, and the excessive magnesium that degraded is separated out can be excreted by urine.Therefore, all parts of the absorbable-bone plate of this self adaptation attaching type band shirt rim all can degraded and absorbed in body completely, has good safety.
Accompanying drawing explanation
Fig. 1 is the front view of the adsorbable bone plate structure of self adaptation attaching type band shirt rim of the present invention, has plate body part 1, step-like shirt rim 2, hole 1a, polylactic acid 1d in figure, spherical screw 1b, step 1c;
Fig. 2 is the top view of the adsorbable bone plate structure of self adaptation attaching type band shirt rim in Fig. 1, has hole 1a in figure, spherical screw 1b;
Fig. 3 is the enlarged drawing of spherical screw 1b in Fig. 2; The radius r of the spherical head of spherical screw 1b is had, screwhole diameter r1 in figure.
Fig. 4 is the enlarged drawing of Fig. 2 Hole 1a, has hole diameter r2 in figure.
Detailed description of the invention
Embodiment 1
Described in the present embodiment 1, the schematic diagram of the adsorbable bone plate structure of self adaptation attaching type band shirt rim is shown in Fig. 1, Fig. 2 and Fig. 3.
Plate body part 1 entirety shown in Fig. 1 is arc, is easy to that deformation and human skeleton occur and fits together; Its outer surface covers one deck polylactic acid 1d, plate body part 1 has can with nail with the use of spherical screw 1b, hole similar with it 4.Have step-like opotism 1c at plate body part 1 edge, step-like opotism 1c opens multiplely has hole 1a, effectively can prevent the slippage of plate body part and polylactic acid layers.The right side of Fig. 1 is the left view of the absorbable-bone plate of self adaptation attaching type band shirt rim, and the radian shown in it is easy to deformation occurs under external force.Fig. 2 is the top view of the adsorbable bone plate structure of self adaptation attaching type band shirt rim in Fig. 1.
Fill with in the hole 1a shown in Fig. 3 and have polylactic acid 1d, the spherical screw 1b shown in Fig. 4 and spherical head formula nail with the use of.The length L=20mm-442mm of plate body part 1, its length is determined by the number of spherical screw 1b.The number of spherical screw 1b is more, and comparatively speaking, the length of plate body part 1 is also longer.In plate body part 1, the pattern of spherical screw 1b and quantity can combine on demand.Thickness h=the 0.4mm-6.5mm of plate body part 1, the width of plate body part 1 is between 3mm-22mm, the height h2=1/5-1/2h of its step 1c, the width L1=1/10-1/8L of step 1c, the diameter d 2=1/3-1/2L1 of step hole 1a, in plate body part 1, the radius r of the spherical head of spherical screw 1b is between 1.5mm-4.0mm, the diameter d 1=1.5mm-6.6mm. of hole 1c is (above with reference to " People's Republic of China (PRC) pharmaceuticals industry standard YY0017-2008 ", " People's Republic of China (PRC) pharmaceuticals industry standard YY0341-2002 ", " People's Republic of China (PRC) pharmaceuticals industry standard YY/T0342-2002 ").
In operation process, can directly press...with one's finger on the step-like opotism of plate body part edge, temporary fixed plate body part, and then nail is screwed in screwed hole according to the step of regulation, plate body part is finally fixed in osseous tissue, makes it in use can not occur to loosen or slippage.
Embodiment 2
Described in the present embodiment 2 is the absorbable-bone plate of another kind of self adaptation attaching type band shirt rim, the structure of the absorbable-bone plate of the self adaptation attaching type band shirt rim shown in the present embodiment with embodiment 1 is substantially identical, difference is plate body part 2 is straight plates, instead of arc, be conducive to hone lamella and its laminating at flat skeleton place; Plate body part 1 there is more screwed hole, after being screwed into nail supporting with it, making the more firm of hone lamella and skeletal fixation; Only have step-like opotism at the two ends of plate body part 1, opotism has 2 holes, is conducive to provide larger hone lamella area, other advantages are identical with described in embodiment 1.
When medical worker is at fixing hone lamella, owing to there being the existence of step-like shirt rim at the edge of hone lamella, directly can press with finger the step-like shirt rim of hone lamella, owing to being subject to the effect of compressive stress, the step-like shirt rim at hone lamella edge will deform, thus automatically and human skeleton fit, can effectively avoid the generation of the slippage of hone lamella or mobile phenomenon and no longer need additionally by the pressing of other medical instrument, operating time can be saved like this, raise the efficiency, simultaneously owing to not needing the edge of extra fixing hone lamella, also unnecessary hone lamella length can be deducted, be conducive to reducing medical treatment cost, thus alleviate the financial burden of patient.Because hone lamella edge is step-like, too much influence be there is no to the main part of hone lamella, the main part of hone lamella be main stress and load bear carrier, so hone lamella still maintains good mechanical property and good mechanical performance.In addition, because polylactic acid is coated on the surface of magnesium alloy hone lamella, reduce the corrosion rate of magnesium alloy, ensure the mechanical strength continuous and effective of hone lamella.Final magnesium alloy and polylactic acid can degradable absorptions in human body, harmless, have good market prospect.
Claims (1)
1. the absorbable-bone plate of a self adaptation attaching type band shirt rim, it is characterized in that: this hone lamella is composited by magnesium alloy and polylactic acid, wherein plate body part is that magnesium alloy is formed, its outer surface is coated one deck polylactic acid (1d), there are a vollyball shape screw (1b) in magnesium alloy hone lamella main part (1) central authorities, there is step-like shirt rim (2) at its edge, step-like shirt rim (2) has and is multiplely filled the hole (1a) of building by polylactic acid, the length of this hone lamella is between 20mm-442mm, the thickness of plate body part is between 0.4mm-6.5mm, the width of hone lamella is between 3mm-22mm, the height of plate body part (1) edge step is the 1/5-1/2 of hone lamella thickness, width is the 1/10-1/8 of hone lamella width degree, on its step, the diameter of hole (1a) is the 1/3-1/2 of step width,
The magnesium alloy of described plate body part (1) forms by a kind of of magnalium, magnesium-manganese alloy, magnesium-zinc alloy, Mg-Zr alloys, magnesium-rare earth alloy, magnesium lithium alloy, magnesium calcium alloy or magnesium silver alloy or by the ternary of these system combinations or polynary system magnesium alloy;
The polylactic acid that described plate surface covers is poly (l-lactic acid), or poly-(D, L)-lactic acid or both copolymers or mixture, and polylactic acid molecule amount is 50,000 ~ 1,500,000.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410337052.8A CN104095674B (en) | 2014-07-15 | 2014-07-15 | The absorbable-bone plate of self adaptation attaching type band shirt rim |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410337052.8A CN104095674B (en) | 2014-07-15 | 2014-07-15 | The absorbable-bone plate of self adaptation attaching type band shirt rim |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104095674A CN104095674A (en) | 2014-10-15 |
| CN104095674B true CN104095674B (en) | 2016-04-13 |
Family
ID=51664481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410337052.8A Active CN104095674B (en) | 2014-07-15 | 2014-07-15 | The absorbable-bone plate of self adaptation attaching type band shirt rim |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104095674B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106983551B (en) * | 2017-05-12 | 2019-06-14 | 国家康复辅具研究中心 | The porous complex bone plate and preparation method thereof of rigidity gradient variation |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2233973A1 (en) * | 1973-06-25 | 1975-01-17 | Chatin Robert | Osteosynthesis plate for femoral fracture surgery - has anchoring holes in ablong flat portion and widened blade |
| CN2114431U (en) * | 1991-11-23 | 1992-09-02 | 周成新 | Bridge type spring pressure steel board |
| CN2339168Y (en) * | 1997-09-04 | 1999-09-22 | 江西省遂川县人民医院 | Semi-plum-plossom shape bone-setting board |
| WO2003007832A9 (en) * | 2001-07-17 | 2004-02-26 | Tornier Sa | Osteosynthesis plate for the upper end of the arm bone |
| FR2924593A1 (en) * | 2007-12-05 | 2009-06-12 | Small Bone Innovations Interna | Bone plate for treating fractures at lower end of elbow, has holes permitting passage of non biodegradable connections between holes, where connections permit fixation of ulnocarpal ligament complex to plate |
| CN101884564A (en) * | 2010-07-21 | 2010-11-17 | 青岛大学医学院附属医院 | Orthopedic assembly type steel plate screw fixing system |
| CN202335916U (en) * | 2011-08-09 | 2012-07-18 | 颜义哲 | Combined medical fixing steel plate |
| CN102908672A (en) * | 2012-10-30 | 2013-02-06 | 东南大学 | High-strength absorbable magnesium substrate composite orthopedic fixing device and preparation method thereof |
| CN103142300A (en) * | 2013-02-06 | 2013-06-12 | 中国科学院金属研究所 | Novel multifunctional bone plate and application thereof |
| CN203291007U (en) * | 2013-06-17 | 2013-11-20 | 张英泽 | High-reliability bone fracture fixation plate |
| CN203483493U (en) * | 2013-08-21 | 2014-03-19 | 黄洪 | Locking steel plate and locking screw for anatomic reconstruction of outer side of acetabulum |
| CN203619662U (en) * | 2013-11-28 | 2014-06-04 | 浙江康慈医疗科技有限公司 | Knee joint plateau steel plate |
-
2014
- 2014-07-15 CN CN201410337052.8A patent/CN104095674B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2233973A1 (en) * | 1973-06-25 | 1975-01-17 | Chatin Robert | Osteosynthesis plate for femoral fracture surgery - has anchoring holes in ablong flat portion and widened blade |
| CN2114431U (en) * | 1991-11-23 | 1992-09-02 | 周成新 | Bridge type spring pressure steel board |
| CN2339168Y (en) * | 1997-09-04 | 1999-09-22 | 江西省遂川县人民医院 | Semi-plum-plossom shape bone-setting board |
| WO2003007832A9 (en) * | 2001-07-17 | 2004-02-26 | Tornier Sa | Osteosynthesis plate for the upper end of the arm bone |
| FR2924593A1 (en) * | 2007-12-05 | 2009-06-12 | Small Bone Innovations Interna | Bone plate for treating fractures at lower end of elbow, has holes permitting passage of non biodegradable connections between holes, where connections permit fixation of ulnocarpal ligament complex to plate |
| CN101884564A (en) * | 2010-07-21 | 2010-11-17 | 青岛大学医学院附属医院 | Orthopedic assembly type steel plate screw fixing system |
| CN202335916U (en) * | 2011-08-09 | 2012-07-18 | 颜义哲 | Combined medical fixing steel plate |
| CN102908672A (en) * | 2012-10-30 | 2013-02-06 | 东南大学 | High-strength absorbable magnesium substrate composite orthopedic fixing device and preparation method thereof |
| CN103142300A (en) * | 2013-02-06 | 2013-06-12 | 中国科学院金属研究所 | Novel multifunctional bone plate and application thereof |
| CN203291007U (en) * | 2013-06-17 | 2013-11-20 | 张英泽 | High-reliability bone fracture fixation plate |
| CN203483493U (en) * | 2013-08-21 | 2014-03-19 | 黄洪 | Locking steel plate and locking screw for anatomic reconstruction of outer side of acetabulum |
| CN203619662U (en) * | 2013-11-28 | 2014-06-04 | 浙江康慈医疗科技有限公司 | Knee joint plateau steel plate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104095674A (en) | 2014-10-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2007027849A8 (en) | Multiribbon nanocellulose as a matrix for wound healing | |
| WO2008079034A3 (en) | A biomaterial composed of microbiological cellulose for internal use, a method of producing the biomaterial and the use of the biomaterial composed of microbiological cellulose in soft tissue surgery and bone surgery | |
| WO2007110634A3 (en) | Improvements relating to decellularisation of tissue matrices for bladder implantation | |
| WO2004103166A3 (en) | Surgical method and composition utilizing submucosal tissue to prevent incisional hernias | |
| CN102085122B (en) | Polypropylene/polyvinylidene fluoride composite hernia patch and preparation method thereof | |
| WO2006059029A3 (en) | Solutions viscoelastiques renfermant du hyaluronate de sodium et de l ' hydroxypropylmethylcellulose | |
| CN106175995B (en) | A kind of novel hip prosthesis | |
| CN105167890B (en) | Multifunctional elbow joint replacement prosthesis | |
| CA2450956A1 (en) | Surgical implant | |
| CH611794A5 (en) | Endoprosthesis | |
| MXPA03007665A (en) | Novel dendritic polymers and their biomedical uses. | |
| WO2007015986A3 (en) | A method of making porous self-cohered web materials | |
| CN205144801U (en) | Multi -functional elbow joint replacement prosthesis | |
| CN104095674B (en) | The absorbable-bone plate of self adaptation attaching type band shirt rim | |
| CA3007220A1 (en) | Wound treatment device | |
| CN204581475U (en) | Biodegradable magnesium alloy claw type rib connecting plate | |
| CN106039424B (en) | A kind of novel polylactic acid glass fiber composite material for skeletal fixation | |
| CN206102688U (en) | Compound high inflation nasal cavity hemostatic sponge of degradable | |
| US20130236853A1 (en) | 3d ductile and perforated retaining sheet | |
| CN204092165U (en) | High-strength combination formula is from degrading expansion bone nail | |
| CN206007345U (en) | A kind of tip can self tapping both sides with seriality rupture screw thread hollow screw | |
| CN104800892A (en) | Wear-resistant SiC/TiO2/Ti buffer material and preparation method thereof | |
| CN204600787U (en) | Band mesh shape support composite membrane is repaired at the bottom of basin | |
| CN211356078U (en) | Mandible prosthesis | |
| CN202843853U (en) | Titanium mesh type threaded fusion cage used for minimally invasive surgery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |