CN111012465A - Combined ejector rod for restoration of collapsed bone block - Google Patents
Combined ejector rod for restoration of collapsed bone block Download PDFInfo
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- CN111012465A CN111012465A CN201911400856.7A CN201911400856A CN111012465A CN 111012465 A CN111012465 A CN 111012465A CN 201911400856 A CN201911400856 A CN 201911400856A CN 111012465 A CN111012465 A CN 111012465A
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- ejector rod
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 34
- 230000007246 mechanism Effects 0.000 claims abstract description 75
- 238000007789 sealing Methods 0.000 claims description 9
- 239000002131 composite material Substances 0.000 claims 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 210000000629 knee joint Anatomy 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000003325 tomography Methods 0.000 description 2
- 238000012274 Preoperative evaluation Methods 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8866—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices for gripping or pushing bones, e.g. approximators
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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
- A61B2017/564—Methods for bone or joint treatment
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (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
The invention discloses a combined ejector rod for resetting a collapsed bone block, which comprises a sleeve mechanism, wherein the interior of the sleeve mechanism is movably connected with a movable mechanism, two sides of the bottom inside the movable mechanism are movably connected with clamping mechanisms, the surfaces of the clamping mechanisms are matched with the interior of the sleeve mechanism for use, and the sleeve mechanism comprises a movable sleeve. The combined ejector rod for restoring the collapsed bone block has the advantages of conveniently supporting bone joints and improving the speed of restoring the collapsed bone block.
Description
Technical Field
The invention belongs to the technical field of bone block reduction, and particularly relates to a combined ejector rod for reduction of a collapsed bone block.
Background
With the rapid development of the transportation industry and the construction industry and the continuous improvement of the living standard, the incidence rate of fracture is increasing day by day, the knee joint is the largest of the human body, the structure is the most complex joint, the fracture of the tibial plateau affects the function and the stability of the knee joint, the fracture is complex, the operation treatment is difficult, the preoperative evaluation is difficult, the preoperative analysis is insufficient, the postoperative function recovery is not ideal, in the selection process of the prior operation scheme, the appearance of an X-ray plain film is realized from the initial hand touch, the CT and MRI tomography scanning is used for assisting the operation doctor to obtain the approximate understanding of the fracture part, the past treatment experience is treated by the aid of the traditional anatomical basis and the two-dimensional fracture image, the surgical clinical experience and the skill of the doctor are usually depended, therefore, the study adopts the Mimics software to process the tomography image, reconstructs the three-dimensional fracture model of the tibial plateau, and can observe, the direction and degree of displacement of the fracture, the adjacent relation of fracture blocks and the software can realize the measurement of various parameters for the reconstructed model, thereby providing scientific basis for the formulation of clinical treatment schemes, the assessment and planning before repair, operation related operations, simulated reduction operations and the like.
The bone piece that sinks resets need use the instrument with bone joint jack-up, and current instrument can't possess carries out the purpose of jack-up to the bone piece that sinks to it is inconvenient to cause the bone piece that sinks to restore, doctor's operational difficulty and loaded down with trivial details phenomenon, and inconvenient user's use has reduced the prosthetic speed of bone piece that sinks.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the combined ejector rod for restoring the collapsed bone block, which has the advantage of conveniently supporting the bone joint and solves the problems that the existing tool cannot jack up the collapsed bone block, so that the collapsed bone block is inconvenient to restore, and the operation of a doctor is difficult and complicated.
The invention discloses a combined ejector rod for resetting a collapsed bone block, which comprises a sleeve mechanism, wherein the interior of the sleeve mechanism is movably connected with a movable mechanism, two sides of the bottom in the movable mechanism are movably connected with clamping mechanisms, and the surfaces of the clamping mechanisms are matched with the interior of the sleeve mechanism for use.
Preferably, the sleeve mechanism comprises a movable sleeve, a first ejector rod is fixedly connected to the top of the right side of the movable sleeve, a first semicircular plate is fixedly connected to one side, away from the movable sleeve, of the surface of the first ejector rod, and the interior of the movable sleeve is movably connected with the surface of the movable mechanism.
Preferably, the movable mechanism comprises a fixed column, the surface of the fixed column is movably connected with the inner wall of the movable sleeve, the top of the left side of the fixed column is fixedly connected with a second ejector rod, one side, far away from the fixed column, of the surface of the second ejector rod is fixedly connected with a second semicircular plate, and the inner wall of the fixed column is movably connected with the surface of the clamping mechanism.
Preferably, the clamping mechanism comprises a sliding block, the surface of the sliding block is movably connected with the inner wall of the fixed column, one side of the sliding block, which is close to the movable sleeve, is fixedly connected with a clamping block, one side of the clamping block, which is far away from the sliding block, penetrates through the fixed column and extends into the movable sleeve, the bottom of the sliding block is fixedly connected with a fixed rod, and the bottom of the fixed rod penetrates through the fixed column and extends to the bottom of the fixed column.
Preferably, the bottom of the inside of the fixed column is provided with a spring, and one side of the spring, which is close to the sliding block, is fixedly connected with the surface of the sliding block.
Preferably, the surface of the movable sleeve is provided with a plurality of clamping grooves matched with the clamping blocks for use, and the clamping grooves are uniformly distributed on the surface of the movable sleeve.
Preferably, the surface of the fixture block is sleeved with a sealing ring, the surface of the sealing ring is fixedly connected with the inside of the fixing column, and the bottom of the fixing column is provided with an opening matched with the fixing rod for use.
Preferably, the top of the surface of the fixed column is fixedly connected with a stop block, the bottom of the stop block is matched with the top of the movable sleeve for use, and the bottom of the surface of the fixed column is sleeved with a rubber pad.
Compared with the prior art, the invention has the following beneficial effects:
1. the combined ejector rod for restoring the collapsed bone block has the advantages of conveniently supporting bone joints and improving the speed of restoring the collapsed bone block.
2. The sleeve mechanism is arranged, so that the sleeve mechanism can be conveniently matched with the movable mechanism for use, the sleeve mechanism can conveniently move on the surface of the movable mechanism, and the use stability of the device is improved.
3. The movable mechanism is arranged, so that the movable mechanism can conveniently move in the sleeve mechanism, the angle can be conveniently adjusted, and the practicability of the device is improved.
4. According to the invention, the clamping mechanism is arranged, so that the movable mechanism can be fixed in the sleeve mechanism, the structure is prevented from loosening, and the use stability of the device is improved.
5. The spring is arranged, so that the slide block can be conveniently reset, the slide block is prevented from being locked, the use stability of the device is improved, the fixture block is prevented from being separated from the inside of the clamping groove, and the use and the operation of a user are facilitated.
6. According to the invention, the clamping groove is arranged, so that the clamping block can be conveniently fixed in the movable sleeve, the movement of the fixed column is avoided, and the use stability of the device is improved.
7. According to the invention, the sealing ring and the opening are arranged, so that the abrasion between the fixture block and the fixing column can be effectively reduced, the service life of the fixture block is prolonged, the opening can facilitate the movement of the fixing rod, the dead locking of the fixing rod is avoided, and the use stability of the device is improved.
8. According to the clamping mechanism, the stop block and the rubber pad are arranged, so that the phenomenon that the fixing column moves downwards can be avoided, the fixing of the clamping mechanism is facilitated, a user can conveniently rotate the fixing column through the rubber pad, and the sliding phenomenon is avoided.
Drawings
FIG. 1 is a schematic diagram of a structure provided by an embodiment of the present invention;
FIG. 2 is a perspective view of a motion mechanism provided by an embodiment of the present invention;
FIG. 3 is a perspective view of a sleeve mechanism provided in accordance with an embodiment of the present invention;
FIG. 4 is an enlarged view of a portion of A provided by an embodiment of the present invention;
FIG. 5 is an enlarged view of a portion of embodiment B of the present invention;
fig. 6 is a front view of a clamping mechanism provided by an embodiment of the present invention.
In the figure: 1. a sleeve mechanism; 101. a movable sleeve; 102. a first ejector pin; 103. a first semi-circular plate; 2. a movable mechanism; 201. fixing a column; 202. a second ejector rod; 203. a second semicircular plate; 3. a chucking mechanism; 301. a slider; 302. a clamping block; 303. fixing the rod; 4. a spring; 5. a card slot; 6. a seal ring; 7. an opening; 8. a stopper; 9. and (7) a rubber pad.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.
The structure of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 6, the combined ejector rod for restoring a collapsed bone block provided by the embodiment of the present invention includes a sleeve mechanism 1, a movable mechanism 2 is movably connected inside the sleeve mechanism 1, two sides of the inner bottom of the movable mechanism 2 are movably connected with clamping mechanisms 3, and the surfaces of the clamping mechanisms 3 are used in cooperation with the inside of the sleeve mechanism 1.
Referring to fig. 1 and 3, the sleeve mechanism 1 includes a movable sleeve 101, a first ejector rod 102 is fixedly connected to the top of the right side of the movable sleeve 101, a first semi-circular plate 103 is fixedly connected to the side of the surface of the first ejector rod 102 away from the movable sleeve 101, and the inside of the movable sleeve 101 is movably connected to the surface of the movable mechanism 2.
Adopt above-mentioned scheme: through setting up sleeve mechanism 1, can conveniently use with the cooperation of moving mechanism 2, conveniently at the surface activity of moving mechanism 2, improved the stability that the device used.
Referring to fig. 2, the movable mechanism 2 includes a fixed column 201, a surface of the fixed column 201 is movably connected with an inner wall of the movable sleeve 101, a second ejector 202 is fixedly connected to a top portion of a left side of the fixed column 201, a second semicircular plate 203 is fixedly connected to a side, away from the fixed column 201, of a surface of the second ejector 202, and the inner wall of the fixed column 201 is movably connected with a surface of the clamping mechanism 3.
Adopt above-mentioned scheme: through setting up movable mechanism 2, can make things convenient for the inside activity at sleeve mechanism 1, make things convenient for the regulation of angle, improve the practicality that the device used.
Referring to fig. 6, the chucking mechanism 3 includes a slider 301, a surface of the slider 301 is movably connected to an inner wall of the fixed column 201, a clamping block 302 is fixedly connected to a side of the slider 301 close to the movable sleeve 101, a side of the clamping block 302 far from the slider 301 penetrates through the fixed column 201 and extends to the inside of the movable sleeve 101, a fixed rod 303 is fixedly connected to a bottom of the slider 301, and a bottom of the fixed rod 303 penetrates through the fixed column 201 and extends to the bottom of the fixed column 201.
Adopt above-mentioned scheme: through setting up chucking mechanism 3, can fix moving mechanism 2 in the inside of sleeve mechanism 1, avoid not hard up of structure, improve the stability that the device used.
Referring to fig. 6, a spring 4 is arranged at the bottom inside the fixed column 201, and one side of the spring 4 close to the slider 301 is fixedly connected with the surface of the slider 301.
Adopt above-mentioned scheme: through setting up spring 4, can make things convenient for resetting of slider 301, avoid slider 301's card dead, increase the stability that the device used, avoid fixture block 302 to appear breaking away from the inside of draw-in groove 5, the person's of facilitating the use and operation.
Referring to fig. 3 and 6, the surface of the movable sleeve 101 is provided with a plurality of slots 5 matched with the clamping blocks 302, and the number of the slots 5 is uniformly distributed on the surface of the movable sleeve 101.
Adopt above-mentioned scheme: through setting up draw-in groove 5, can make things convenient for fixture block 302 to fix in the inside of movable sleeve 101, avoid the removal of fixed column 201, increase the stability that the device used.
Referring to fig. 6, a sealing ring 6 is sleeved on the surface of the clamping block 302, the surface of the sealing ring 6 is fixedly connected with the inside of the fixing column 201, and an opening 7 matched with the fixing rod 303 for use is formed in the bottom of the fixing column 201.
Adopt above-mentioned scheme: through setting up sealing washer 6 and opening 7, can effectively reduce the wearing and tearing between fixture block 302 and the fixed column 201, increase fixture block 302's life, opening 7 can make things convenient for the removal of dead lever 303, avoids dead of the card of dead lever 303, increases the stability that the device used.
Referring to fig. 2, 4 and 5, a stopper 8 is fixedly connected to the top of the surface of the fixed column 201, the bottom of the stopper 8 is matched with the top of the movable sleeve 101, and a rubber pad 9 is sleeved on the bottom of the surface of the fixed column 201.
Adopt above-mentioned scheme: through setting up dog 8 and rubber pad 9, can avoid fixed column 201 the phenomenon that moves down to appear, make things convenient for chucking mechanism 3 fixed, rubber pad 9 can the person of facilitating the use rotate fixed column 201, avoid appearing gliding phenomenon.
The working principle of the invention is as follows:
when the bone repairing tool is used, a user needs to pry a bone block to repair a collapsed bone block, the first ejector rod 102, the first semicircular plate 103, the second ejector rod 202 and the second semicircular plate 203 can be used for jacking up the collapsed bone block independently, when the first ejector rod 102 and the second ejector rod 202 need to be matched, the fixed rod 303 is extruded, the fixed rod 303 drives the sliding block 301 to slide in the fixed column 201, the sliding block 301 drives the clamping blocks 302 to approach each other and extrude the spring 4 to enable the clamping blocks 302 to be separated from the inner part of the movable sleeve 101, when the clamping blocks 302 are separated from the inner part of the movable sleeve 101, the rubber pad 9 is rotated, the rubber pad 9 drives the fixed column 201 to move, the fixed column 201 drives the second ejector rod 202 to rotate, the second ejector rod 202 drives the second semicircular plate 203 to rotate, when the second ejector rod 202 and the first ejector rod 102 form a proper angle, the fixed rod 303 is loosened, the spring 4 rebounds the sliding block 301, the sliding block 301 drives the clamping blocks 302 to, the fixation of the fixed column 201 and the movable sleeve 101 is completed, and the speed of repairing the collapsed bone block is improved.
In summary, the following steps: this bone piece that sinks resets is with combination ejector pin, through setting up sleeve mechanism 1, movable sleeve 101, first ejector pin 102, first semicircle board 103, moving mechanism 2, fixed column 201, second ejector pin 202, second semicircle board 203, chucking mechanism 3, slider 301, fixture block 302, dead lever 303, spring 4, draw-in groove 5, sealing washer 6, opening 7, dog 8 and rubber pad 9's cooperation is used, the unable mesh that possesses to jack up the bone piece that sinks of current instrument has been solved, thereby it is inconvenient to cause the bone piece that sinks to sink to restore, doctor's operational difficulty and loaded down with trivial details problem.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a bone piece that collapses resets with combination ejector pin, includes sleeve mechanism (1), its characterized in that: the inside swing joint of sleeve mechanism (1) has moving mechanism (2), the equal swing joint in both sides of the inside bottom of moving mechanism (2) has chucking mechanism (3), the inside cooperation of the surface of chucking mechanism (3) and sleeve mechanism (1) is used.
2. The combination plunger of claim 1, wherein: the sleeve mechanism (1) comprises a movable sleeve (101), a first ejector rod (102) is fixedly connected to the top on the right side of the movable sleeve (101), a first semicircular plate (103) is fixedly connected to one side, away from the movable sleeve (101), of the surface of the first ejector rod (102), and the inner portion of the movable sleeve (101) is movably connected with the surface of the movable mechanism (2).
3. The combination plunger of claim 2, wherein: the movable mechanism (2) comprises a fixed column (201), the surface of the fixed column (201) is movably connected with the inner wall of the movable sleeve (101), a second ejector rod (202) is fixedly connected to the left top of the fixed column (201), a second semicircular plate (203) is fixedly connected to one side, away from the fixed column (201), of the surface of the second ejector rod (202), and the inner wall of the fixed column (201) is movably connected with the surface of the clamping mechanism (3).
4. The combination plunger of claim 3, wherein: chucking mechanism (3) include slider (301), the surface of slider (301) and the inner wall swing joint of fixed column (201), slider (301) are close to one side fixedly connected with fixture block (302) of movable sleeve (101), one side that slider (301) were kept away from in fixture block (302) runs through fixed column (201) and extends to the inside of movable sleeve (101), the bottom fixedly connected with dead lever (303) of slider (301), the bottom of dead lever (303) runs through fixed column (201) and extends to the bottom of fixed column (201).
5. The composite ejector rod for restoration of a collapsed bone piece as set forth in claim 4, wherein: the bottom of the inside of the fixed column (201) is provided with a spring (4), and one side, close to the sliding block (301), of the spring (4) is fixedly connected with the surface of the sliding block (301).
6. The composite ejector rod for restoration of a collapsed bone piece as set forth in claim 4, wherein: the surface of the movable sleeve (101) is provided with clamping grooves (5) matched with the clamping blocks (302) for use, the clamping grooves (5) are distributed on the surface of the movable sleeve (101) uniformly, and the number of the clamping grooves (5) is a plurality.
7. The composite ejector rod for restoration of a collapsed bone piece as set forth in claim 4, wherein: the surface cover of fixture block (302) is equipped with sealing washer (6), the inside fixed connection of the surface of sealing washer (6) and fixed column (201), opening (7) of using with dead lever (303) cooperation are seted up to the bottom of fixed column (201).
8. The combination plunger of claim 3, wherein: the top on the surface of the fixed column (201) is fixedly connected with a stop block (8), the bottom of the stop block (8) is matched with the top of the movable sleeve (101) for use, and a rubber pad (9) is sleeved on the bottom on the surface of the fixed column (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911400856.7A CN111012465A (en) | 2019-12-30 | 2019-12-30 | Combined ejector rod for restoration of collapsed bone block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911400856.7A CN111012465A (en) | 2019-12-30 | 2019-12-30 | Combined ejector rod for restoration of collapsed bone block |
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| Publication Number | Publication Date |
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| CN111012465A true CN111012465A (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911400856.7A Pending CN111012465A (en) | 2019-12-30 | 2019-12-30 | Combined ejector rod for restoration of collapsed bone block |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020077641A1 (en) * | 1988-06-13 | 2002-06-20 | Michelson Gary Karlin | Apparatus and method of inserting spinal implants |
| US20060149290A1 (en) * | 2003-03-21 | 2006-07-06 | Romano Matthys-Mark | Cutting and forming device |
| CN106308915A (en) * | 2016-11-03 | 2017-01-11 | 河北医科大学第三医院 | Jacking device for restoring collapse fracture block |
| CN109941819A (en) * | 2019-03-22 | 2019-06-28 | 盐城市科恒达材料有限公司 | A kind of wire and cable enlacement packaging part |
| CN209220475U (en) * | 2017-11-07 | 2019-08-09 | 刘国辉 | A kind of tibial plateau top stick |
| CN110432960A (en) * | 2019-07-19 | 2019-11-12 | 温州医科大学附属第一医院 | It is a kind of for resetting the jack-up device of collapsed fracture block |
| CN110432961A (en) * | 2019-07-19 | 2019-11-12 | 温州医科大学附属第一医院 | A kind of minimally invasive restorer of tibial plateau collapsed fracture block |
| CN209695364U (en) * | 2019-02-26 | 2019-11-29 | 常州市中医医院 | Resetting apparatus is used in a kind of operation of fracture of tibial plateau |
-
2019
- 2019-12-30 CN CN201911400856.7A patent/CN111012465A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020077641A1 (en) * | 1988-06-13 | 2002-06-20 | Michelson Gary Karlin | Apparatus and method of inserting spinal implants |
| US20060149290A1 (en) * | 2003-03-21 | 2006-07-06 | Romano Matthys-Mark | Cutting and forming device |
| CN106308915A (en) * | 2016-11-03 | 2017-01-11 | 河北医科大学第三医院 | Jacking device for restoring collapse fracture block |
| CN209220475U (en) * | 2017-11-07 | 2019-08-09 | 刘国辉 | A kind of tibial plateau top stick |
| CN209695364U (en) * | 2019-02-26 | 2019-11-29 | 常州市中医医院 | Resetting apparatus is used in a kind of operation of fracture of tibial plateau |
| CN109941819A (en) * | 2019-03-22 | 2019-06-28 | 盐城市科恒达材料有限公司 | A kind of wire and cable enlacement packaging part |
| CN110432960A (en) * | 2019-07-19 | 2019-11-12 | 温州医科大学附属第一医院 | It is a kind of for resetting the jack-up device of collapsed fracture block |
| CN110432961A (en) * | 2019-07-19 | 2019-11-12 | 温州医科大学附属第一医院 | A kind of minimally invasive restorer of tibial plateau collapsed fracture block |
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Application publication date: 20200417 |