CN113476124A - Phalangeal fracture external fixation support - Google Patents
Phalangeal fracture external fixation support Download PDFInfo
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- CN113476124A CN113476124A CN202110818715.8A CN202110818715A CN113476124A CN 113476124 A CN113476124 A CN 113476124A CN 202110818715 A CN202110818715 A CN 202110818715A CN 113476124 A CN113476124 A CN 113476124A
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- external fixation
- sleeve
- phalangeal fracture
- fixing sleeve
- phalangeal
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- 238000009434 installation Methods 0.000 abstract 1
- 208000010392 Bone Fractures Diseases 0.000 description 40
- 210000000988 bone and bone Anatomy 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 208000006735 Periostitis Diseases 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000035876 healing Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 210000003460 periosteum Anatomy 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 206010061213 Iatrogenic injury Diseases 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 210000000281 joint capsule Anatomy 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 206010023230 Joint stiffness Diseases 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000001054 cortical effect Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000007480 spreading Effects 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, 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
- A61B17/60—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 for external osteosynthesis, e.g. distractors, contractors
-
- 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
- A61B17/60—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 for external osteosynthesis, e.g. distractors, contractors
- A61B17/64—Devices extending alongside the bones to be positioned
- A61B17/645—Devices extending alongside the bones to be positioned comprising a framework
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses an external fixation support for phalangeal fracture, which comprises a cylindrical first external fixation sleeve, a cylindrical second external fixation sleeve and a cylindrical third external fixation sleeve which are positioned in the same plane, wherein the first external fixation sleeve and the second external fixation sleeve are firmly connected through a first connecting arm, the second external fixation sleeve and the third external fixation sleeve are connected through a U-shaped elastic arm, and the inner sides of two arc angles of the elastic arm are respectively provided with a groove. The invention has simple and light structure, convenient and flexible installation and disassembly, can stably fix the fracture block and does not influence the joint movement.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an external fixation bracket for phalangeal fracture.
Background
The hand is an important organ of human labor, and the requirements on functions require both mechanical stability and joint flexibility. The current common treatment scheme for phalangeal fractures includes: the external fixation of phalanges by small splints, the fixation of phalanges by crossed kirschner wires, the fixation of phalanges by miniature steel plate screws, the fixation of phalanges by single-side external supports, the fixation of phalanges by micro-ilizarov external supports, the fixation of phalanges by single-side external supports through the combination of joint crossing and kirschner wires, and the fixation of elastic intramedullary nails.
The above treatment options are basically problematic for fractures of the finger shaft, but disadvantages are evident when applied to fractures of the metaphysis of the finger. Because the phalanges are short and the metaphyseal bone fracture block is smaller and cannot accommodate a plurality of kirschner wires or steel plate screws, the scheme can not be used for metaphyseal bone fracture because the joint is fixed to cause a certain degree of joint stiffness, the joint surface is damaged through joint penetrating nails, or periosteum around the fractured end is peeled off to destroy the residual blood supply of the metaphyseal bone block. Although there is some phalangeal metacarpal external fixation support with joint (patent document No. 201721703576. X), it needs to drill holes on adjacent healthy knuckles for fixation, and there is no pressure effect on phalangeal fracture, and there is still its limitation. Therefore, a fixing instrument is urgently needed at present, which can achieve the purposes of stably fixing the fracture block and not influencing the joint movement.
Disclosure of Invention
The invention mainly aims to provide an external phalangeal fracture fixing support which has a simple and light structure, is convenient and flexible to mount and dismount, can stably fix a fracture block, and does not influence joint movement.
In order to achieve the purpose, the invention provides an external fixation support for phalangeal fracture, which comprises a cylindrical first external fixation sleeve, a cylindrical second external fixation sleeve and a cylindrical third external fixation sleeve which are positioned in the same plane, wherein the first external fixation sleeve and the second external fixation sleeve are firmly connected through a first connecting arm, the second external fixation sleeve and the third external fixation sleeve are connected through a U-shaped elastic arm, and the inner sides of two arc angles of the elastic arm are respectively provided with a groove.
According to a further technical scheme, a first included angle is formed between the second outer fixing sleeve and the third outer fixing sleeve, and extension lines of the second outer fixing sleeve and the third outer fixing sleeve are intersected at the radian concave side of the elastic arm.
The invention further adopts the technical scheme that the angle range of the first included angle is 10-40 degrees.
According to a further technical scheme of the invention, a second included angle is formed between the first outer fixing sleeve and the second outer fixing sleeve, and extension lines of the first outer fixing sleeve and the second outer fixing sleeve are intersected at the arc convex side of the elastic arm.
The invention further adopts the technical scheme that the angle range of the second included angle is 10-30 degrees.
According to a further technical scheme, the device further comprises a cylindrical fourth outer fixing sleeve which is positioned in the same plane as the first outer fixing sleeve, the second outer fixing sleeve and the third outer fixing sleeve and is parallel to the third outer fixing sleeve, and the fourth outer fixing sleeve is firmly connected with the third outer fixing sleeve through a second connecting arm.
According to a further technical scheme, the novel fixing device further comprises a plurality of fixing nails, and the outer diameters of the fixing nails are respectively matched with the inner diameters of the first outer fixing sleeve, the second outer fixing sleeve, the third outer fixing sleeve and the fourth outer fixing sleeve.
The invention further adopts the technical scheme that the fixing nail is a triangular pointed end, and the pointed end is provided with a threaded Kirschner wire.
The external fixation bracket for phalangeal fracture has the advantages that:
1. the structure is simple and portable, and the eccentric load generated by a finger fixture can be weakened;
2. the elastic fixation can axially pressurize the broken end of the fracture and promote the healing of the broken end bone;
3. the operation is minimally invasive, periosteum around the broken end of the fracture does not need to be stripped and more tissues do not need to be cut, and iatrogenic injury is reduced;
4. the threaded fixing nail can generate strong holding force at the metaphysis to prevent nail withdrawal and loosening;
5. the fixing manner of the fixing nail is transverse fixing, does not penetrate into a joint capsule, does not cross the joint and does not influence the joint movement;
6. the phalangeal fracture external fixation bracket is positioned outside the body, is convenient to remove and does not need secondary operation incision;
7. the use mode is flexible, and more than two sets of the fixing device can be combined for use to strengthen the fixing effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of a preferred embodiment of the phalangeal fracture external fixation frame of the present invention without a fourth external fixation sleeve;
FIG. 2 is a schematic structural view of a preferred embodiment of the phalangeal fracture external fixation frame with a fourth external fixation sleeve;
FIG. 3 is a schematic view of the staple configuration;
FIG. 4 is a schematic view of a scissors distractor;
FIG. 5 is a schematic view of a caliper spreader.
The reference numbers illustrate:
a first outer fixing sleeve 1;
a second outer fixing sleeve 2;
a third outer fixing sleeve 3;
a first connecting arm 4;
a U-shaped elastic arm 5;
a fixing nail 6;
a fourth outer fixing sleeve 7;
a second connecting arm 8;
a scissors distractor 9;
a caliper-shaped distractor 10;
a recess 11.
The objects, features and advantages of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is 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 addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1 to 5, the present invention provides an external fixation frame for phalangeal fracture, which is mainly used for external fixation of phalangeal fracture, and the preferred embodiment of the external fixation frame for phalangeal fracture of the present invention includes a cylindrical first external fixation sleeve 1, a cylindrical second external fixation sleeve 2, and a cylindrical third external fixation sleeve 3, which are located in the same plane, wherein the first external fixation sleeve 1 and the second external fixation sleeve 2 are firmly connected by a first connection arm 4, the second external fixation sleeve 2 and the third external fixation sleeve 3 are connected by a U-shaped elastic arm 5, and two inner sides of arc angles of the elastic arm 5 are respectively provided with a groove 11.
In this embodiment, the U-shaped elastic arm 5 may be made of elastic steel or elastic alloy material, has high tensile strength, elastic limit and fatigue strength, and has two ends respectively connected to the middle lower portions of the second outer fixing sleeve 2 and the third outer fixing sleeve 3. The first connecting arm 4 is connected to the middle lower portion of the first outer fixing sleeve 1 and the second outer fixing sleeve 2.
In the embodiment, the second outer fixing sleeve 2 and the third outer fixing sleeve 3 are connected through the U-shaped elastic arm 5, so that the fracture end can be axially pressurized, and the healing of the fracture end bone can be promoted.
Further, in this embodiment, a first included angle is formed between the second outer fixing sleeve 2 and the third outer fixing sleeve 3, and extension lines of the second outer fixing sleeve 2 and the third outer fixing sleeve 3 intersect at the arc concave side of the elastic arm 5.
It should be noted that the second external fixation sleeve 2 and the third external fixation sleeve 3 have a certain lower adduction angle in the initial state, so as to provide a clamping force when in use, i.e. the second external fixation sleeve 2 and the third external fixation sleeve 3 are in a parallel state when being fixed on the bone.
It will be appreciated that the greater the first angle, the greater the force generated and the greater the pressure on the fracture line, and that the different angles required to generate the same clamping force will vary depending on the material (e.g. spring steel or spring alloy) but whatever the material, the second outer fixing sleeve 2 and the third outer fixing sleeve 3 will need to be aligned parallel to each other without an angle so that the clamping force will be perpendicular to the fracture line or parallel to the longitudinal axis of the phalanges. This embodiment penetrates staple 6 in second outer fixing sleeve 2 and the third outer fixing sleeve 3, through the fixed fracture piece of staple 6 to through 6 transmission clamping-closing forces of staple to the fracture line, form the pressurization effect to the fracture line. In this embodiment, only the U-shaped elastic arm 5 between the second outer fixing sleeve 2 and the third outer fixing sleeve 3 needs to have elasticity, and the first connecting arm 4 for connecting the first outer fixing sleeve 1 and the second outer fixing sleeve 2 should not have elasticity and should not be deformed.
As a preferred embodiment, in this embodiment, the angle range of the first included angle is 10 ° to 40 °, and in practical implementation, the range of the first included angle may be adjusted or exceeded according to different elasticity degrees of the manufacturing material.
Further, in this embodiment, a second included angle is formed between the first outer fixing sleeve 1 and the second outer fixing sleeve 2, and extension lines of the first outer fixing sleeve 1 and the second outer fixing sleeve 2 intersect at the convex side of the radian of the elastic arm 5.
When the first outer fixing sleeve 1 and the second outer fixing sleeve 2 are in an initial state and a use state, the lower parts of the first outer fixing sleeve and the second outer fixing sleeve always have certain abduction angles.
It can be understood that, in this embodiment, the second included angle is used for angular stability when the first external fixing sleeve 1 and the second external fixing sleeve 2 are fixed on the bone by the fixing nail 6, the external fixing frame for phalangeal fracture cannot be pulled out, and if the first included angle is not included, the overall stability of the external fixing frame for phalangeal fracture is not good, and the external fixing frame for phalangeal fracture may slide along the direction of the fixing nail 6.
As a preferred embodiment, in this embodiment, the angle range of the second included angle is 10 ° to 30 °, and in practical implementation, the range of the second included angle may be adjusted or exceeded according to different elasticity degrees of the manufacturing material.
Further, in this embodiment, the phalangeal fracture external fixation support further includes a cylindrical fourth external fixation sleeve 7 located in the same plane as the first external fixation sleeve 1, the second external fixation sleeve 2, and the third external fixation sleeve 3, and disposed in parallel with the third external fixation sleeve 3, and the fourth external fixation sleeve 7 is firmly connected to the third external fixation sleeve 3 through a second connection arm 8.
It should be noted that the external fixation bracket for bone fracture of the present invention can determine whether to arrange the fourth external fixation sleeve 7 according to actual needs. The second connecting arm 8 for connecting the fourth outer fixing sleeve 7 and the third outer fixing sleeve 3 should not be elastic, should not be deformed easily, and is connected to the middle lower portion of the fourth outer fixing sleeve 7 and the third outer fixing sleeve 3.
In addition, it should be emphasized that, in this embodiment, the external fixing bracket for phalangeal fracture further includes a plurality of fixing nails 6, and the outer diameters of the fixing nails 6 are respectively matched with the inner diameters of the first external fixing sleeve 1, the second external fixing sleeve 2, the third external fixing sleeve 3, and the fourth external fixing sleeve 7.
The manufacturing material of staple 6 is the material that rigidity is big, can use the staple 6 of a plurality of different direct footpaths according to actual need, and the sleeve internal diameter also should correspondingly change the matching when staple 6 diameter changes.
In this embodiment, the fixing nail 6 is a triangular pointed end, and the pointed end is a kirschner wire with threads.
The tip end of staple 6 is threaded, conveniently bores into and takes off, compares the advantage with the tradition staple on the horse and lies in: 1. when the fixing nail 6 is implanted, the fixing nail is drilled by an electric drill, but the traditional nail needs to be hammered and driven, and the fracture block is easy to displace by hammering; 2. the traditional staple does not pass through opposite cortical bone, and the holding part of the staple is completely positioned in cancellous bone and is easy to loosen; the fixing nail 6 in the embodiment penetrates through cortex lycii on two sides and is provided with threads to prevent nail withdrawal, so that the fixing is firmer; 3. when the fixing nail 6 in the embodiment is taken out, the fixing nail is taken out by reverse drilling with an electric drill, and the traditional nail-riding nail is not required to be violently pulled out and is easy to fracture again. The embodiment has the same work as the staples on elasticity, but the embodiment is an external bracket, does not need to be implanted into a body, does not need to be cut more in implantation and removal, and has the advantages of both the bracket and the staples. In addition, the present embodiment can be combined for use, and can achieve more or less nailing and flexibly meet the fracture condition.
In addition, in this embodiment, the inner sides of the two arc angles of the elastic arm 5 are respectively provided with a groove 11, the grooves 11 can be matched with the grooves of the distractor to tightly hold the distractor and are not easy to slip, and the function of the grooves is to assist the distractor in distracting or adjusting the angle of the elastic arm 5, so as to assist in drilling nails.
In this embodiment, the spreader may be a scissors-shaped spreader 9 as shown in fig. 4 or a caliper-shaped spreader 10 as shown in fig. 5, where the scissors-shaped spreader 9 is a spreader in the prior art, and the caliper-shaped spreader 10 as shown in fig. 5 is matched with a sliding rod through a 7-shaped clamping rod, and the threaded rod moves along with the threaded rod when the threaded ring rotates, and the sliding rod moves stably at the 7-shaped clamping rod in the moving process, so as to achieve the spreading effect.
When the phalangeal fracture external fixation support is used, the phalangeal fracture external fixation support can be used on one side as required, can also be used symmetrically on two sides as required, or can be used in a matching way at a certain angle.
The external fixation bracket for phalangeal fracture has the advantages that:
1. the structure is simple and portable, and the eccentric load generated by a finger fixture can be weakened;
2. the elastic fixation can axially pressurize the broken end of the fracture and promote the healing of the broken end bone;
3. the operation is minimally invasive, periosteum around the broken end of the fracture does not need to be stripped and more tissues do not need to be cut, and iatrogenic injury is reduced;
4. the threaded fixing nail can generate strong holding force at the metaphysis to prevent nail withdrawal and loosening;
5. the fixing manner of the fixing nail is transverse fixing, does not penetrate into a joint capsule, does not cross the joint and does not influence the joint movement;
6. the phalangeal fracture external fixation bracket is positioned outside the body, is convenient to remove and does not need secondary operation incision;
7. the use mode is flexible, and the fixing function can be enhanced by combining and using.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. The utility model provides a phalangeal fracture external fixation support, its characterized in that, is including the first outer fixed sleeve of cylindric, the outer fixed sleeve of cylindric second and the outer fixed sleeve of cylindric third that are located the coplanar, first outer fixed sleeve with through first connecting arm firm connection between the outer fixed sleeve of second, the outer fixed sleeve of second with connect through U-shaped elastic arm between the outer fixed sleeve of third, two arc angle inboards of elastic arm respectively are provided with a recess.
2. The phalangeal fracture external fixation frame of claim 1, wherein said second and third external fixation sleeves have a first angle therebetween, and wherein extension lines of said second and third external fixation sleeves intersect at a curved concave side of said spring arm.
3. The phalangeal fracture external fixation frame of claim 2, wherein said first included angle is in the range of 10 ° to 40 °.
4. The phalangeal fracture external fixation frame of claim 2, wherein said first and second external fixation sleeves have a second angle therebetween, and wherein extension lines of said first and second external fixation sleeves intersect at a convex side of the curvature of said spring arm.
5. The phalangeal fracture external fixation frame of claim 3, wherein said second included angle is in the range of 10 ° to 30 °.
6. The phalangeal fracture external fixation frame of claim 1, further comprising a cylindrical fourth external fixation sleeve disposed in a same plane and parallel to said first, second and third external fixation sleeves, wherein said fourth external fixation sleeve is rigidly connected to said third external fixation sleeve by a second connecting arm.
7. The phalangeal fracture external fixation support of claim 6, further comprising a plurality of fixation nails having outer diameters that respectively match the inner diameters of the first, second, third, and fourth external fixation sleeves.
8. The phalangeal fracture external fixation frame of claim 7, wherein said fixation nails are triangular pointed tips with a threaded kirschner wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110818715.8A CN113476124B (en) | 2021-07-20 | 2021-07-20 | Phalangeal fracture external fixation support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110818715.8A CN113476124B (en) | 2021-07-20 | 2021-07-20 | Phalangeal fracture external fixation support |
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| Publication Number | Publication Date |
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| CN113476124A true CN113476124A (en) | 2021-10-08 |
| CN113476124B CN113476124B (en) | 2022-08-16 |
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| US20050203509A1 (en) * | 2004-03-10 | 2005-09-15 | Anboo Chinnaian | Device and method for fixing bone segments |
| CN1806765A (en) * | 2005-01-20 | 2006-07-26 | 朱俊岭 | Medical elastic external fixation bracket |
| CN103099658A (en) * | 2011-11-10 | 2013-05-15 | 上海市第六人民医院 | Mini-type metacarpal bone and finger bone external fixing support |
| WO2013128046A1 (en) * | 2012-03-01 | 2013-09-06 | Universidad De Málaga | External fixator for pelvic fractures and turnbuckle for opening said fixator |
| CN107361835A (en) * | 2017-07-20 | 2017-11-21 | 吴海啸 | Minisize metacarpophalangeal bone fracture resets external fixing rack |
| CN210330708U (en) * | 2019-05-14 | 2020-04-17 | 黄启顺 | Phalanx elastic traction device |
| CN210447182U (en) * | 2019-05-22 | 2020-05-05 | 河北医科大学第三医院 | Kirschner wire guider for scaphoid bone fracture operation |
| CN212939912U (en) * | 2020-04-06 | 2021-04-13 | 王征勇 | External fixing frame for fracture dislocation of first metacarpal base part |
-
2021
- 2021-07-20 CN CN202110818715.8A patent/CN113476124B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050203509A1 (en) * | 2004-03-10 | 2005-09-15 | Anboo Chinnaian | Device and method for fixing bone segments |
| CN1806765A (en) * | 2005-01-20 | 2006-07-26 | 朱俊岭 | Medical elastic external fixation bracket |
| CN103099658A (en) * | 2011-11-10 | 2013-05-15 | 上海市第六人民医院 | Mini-type metacarpal bone and finger bone external fixing support |
| WO2013128046A1 (en) * | 2012-03-01 | 2013-09-06 | Universidad De Málaga | External fixator for pelvic fractures and turnbuckle for opening said fixator |
| CN107361835A (en) * | 2017-07-20 | 2017-11-21 | 吴海啸 | Minisize metacarpophalangeal bone fracture resets external fixing rack |
| CN210330708U (en) * | 2019-05-14 | 2020-04-17 | 黄启顺 | Phalanx elastic traction device |
| CN210447182U (en) * | 2019-05-22 | 2020-05-05 | 河北医科大学第三医院 | Kirschner wire guider for scaphoid bone fracture operation |
| CN212939912U (en) * | 2020-04-06 | 2021-04-13 | 王征勇 | External fixing frame for fracture dislocation of first metacarpal base part |
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| CN113476124B (en) | 2022-08-16 |
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