CN111388076A - External fixation bracket for calcaneus - Google Patents
External fixation bracket for calcaneus Download PDFInfo
- Publication number
- CN111388076A CN111388076A CN202010323707.1A CN202010323707A CN111388076A CN 111388076 A CN111388076 A CN 111388076A CN 202010323707 A CN202010323707 A CN 202010323707A CN 111388076 A CN111388076 A CN 111388076A
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- CN
- China
- Prior art keywords
- bone nail
- bone
- connecting rod
- extension rod
- calcaneus
- 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.)
- Pending
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- 210000000459 calcaneus Anatomy 0.000 title claims abstract description 23
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 55
- 210000002082 fibula Anatomy 0.000 claims abstract description 4
- 210000002683 foot Anatomy 0.000 claims description 4
- 210000001872 metatarsal bone Anatomy 0.000 claims description 2
- 230000000392 somatic effect Effects 0.000 claims 1
- 210000003871 fifth metatarsal bone Anatomy 0.000 abstract description 2
- 210000000474 heel Anatomy 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 2
- 206010070918 Bone deformity Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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
- A61B17/60—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
- A61B17/66—Alignment, compression or distraction mechanisms
-
- 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
- A61B2017/564—Methods for bone or joint treatment
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (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)
- Prostheses (AREA)
Abstract
The invention discloses a heel external fixation support, which belongs to the technical field of medical equipment and comprises a first bone nail fixed at the far end of a fibula, a second bone nail fixed on the body part of the heel bone and a third bone nail fixed on a fifth metatarsal bone, wherein connecting pieces are arranged between every two first bone nail, every two second bone nail and every two third bone nails, each connecting piece comprises a transverse extension rod arranged on each bone nail and a connecting rod arranged between the transverse extension rods, the transverse extension rods are fixedly connected with the bone nails, each transverse extension rod has a first motion sliding on the connecting rod and a second motion rotating around the connecting rod, and a fixing device is sleeved on each third bone nail and used for controlling the position and the angle of each third bone nail. The invention has large operation space, can fix the bone nail through the bracket after the calcaneus is reset, thereby freeing the hands of a doctor to carry out subsequent operation, and has simple structure and convenient operation.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a calcaneus external fixation support.
Background
The external bone fixing bracket can be used for treating common fracture clinically and correcting certain bone deformity, and is an important appliance for orthopedics. When the external fixator is used for treating fracture, the operation method is that after the fracture is reduced, the needle threading position and angle are selected to insert the fixing needle, and then the clamping device, the connecting rod and the like are installed. However, the operation space of the existing external calcaneus fixing support is narrow after installation, the doctor needs to keep the reset posture with hands after the calcaneus is reset to carry out subsequent treatment, the operation space is narrow, and multiple persons are needed to cooperate.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides the external calcaneus fixing support which is large in operation space, and the calcaneus can be fixed through the support after being reset, so that hands of a doctor are liberated to perform subsequent operation, the structure is simple, and the operation is convenient.
In order to achieve the purpose, the invention provides the following technical scheme: the invention provides a heel external fixation bracket which comprises a first bone nail fixed at the far end of a fibula, a second bone nail fixed on the body of the heel bone, a third bone nail fixed on a fifth metatarsal bone and connecting pieces arranged between the first bone nail, the second bone nail and the third bone nail, wherein each connecting piece comprises a transverse extension rod arranged on each bone nail and a connecting rod arranged between the transverse extension rods, the transverse extension rods are fixedly connected with the bone nails, each transverse extension rod has a first motion sliding on the connecting rod and a second motion rotating around the connecting rod, and a fixing device is sleeved on each third bone nail and used for controlling the position and the angle of each third bone nail.
Preferably, the horizontal extension rod points to the end far away from the human foot, the horizontal extension rod is sleeved with an outer tube, the outer tube can rotate around the central shaft of the horizontal extension rod, and a first fixing bolt for limiting the rotation of the outer tube is arranged on the outer tube.
Preferably, the transverse extension rod is sleeved on the connecting rod, and a second fixing bolt for limiting the first movement and the second movement of the transverse extension rod is arranged on the connecting rod.
Preferably, the transverse extension rod is fixedly connected with the bone nail through the outer tube.
Preferably, a saw tooth meshing portion is arranged on the connecting rod and used for adjusting the length of the connecting rod, and a corresponding locking bolt is arranged on the connecting rod.
Preferably, the fixing device comprises a fixing frame and a sleeve, the sleeve is sleeved on the third bone nail, and the sleeve can rotate around the central axis of the sleeve.
Preferably, the fixing frame comprises an upper grid block, a lower grid block and a connecting part, the connecting part is designed in an arc shape, a through hole corresponding to the connecting part is formed in the sleeve, and the sleeve does pendulum motion along the connecting part.
Preferably, a third fixing bolt for limiting the swinging of the sleeve is arranged on the sleeve.
Compared with the prior art, the invention has the beneficial effects that: the invention enlarges the operation space of the operation by arranging the transverse extension rod, and effectively avoids the influence of the connecting rod on the sight of a doctor in the operation; the fixing device is additionally arranged, so that the fixation of the bone nail after the calcaneus reduction is realized, the hands of a doctor are liberated, and the operation efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the fixing device of the present invention;
FIG. 3 is a side view of the fastening device of the present invention;
fig. 4 is a schematic structural view of the connecting rod of the present invention.
Detailed Description
The present invention will now be described in more detail with reference to the accompanying drawings, in which the description of the invention is given by way of illustration and not of limitation. The various embodiments may be combined with each other to form other embodiments not shown in the following description.
In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated without limiting the specific scope of protection of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "a number" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
As shown in fig. 1, a calcaneal external fixation bracket comprises a first bone nail 1 fixed at the far end of a fibula, a second bone nail 2 fixed at the body of the calcaneus, and a third bone nail 3 fixed at the fifth metatarsal, wherein a connecting member 4 is arranged between every two first bone nail 1, second bone nail 2 and third bone nail 3, the connecting member 4 is used for fixing the relative position between the three bone nails, the connecting member 4 comprises a transverse extension rod 401 arranged on each bone nail and a connecting rod 402 arranged between the transverse extension rods 401, the transverse extension rods 401 are fixedly connected with the bone nails, the fixed connection can be direct connection such as riveting, welding and thread connection, and can also be indirect connection, the transverse extension rods 401 have a first movement sliding on the connecting rod 402 and a second movement rotating around the connecting rod 402, the first movement is used for meeting the difference of the sizes of the soles of different patients, two kinds of motion are in order to satisfy the change that the bone nail resets the in-process position at the calcaneum, and the cover is equipped with fixing device 5 on third bone nail 3, and fixing device 5 is used for controlling the position and the angle of third bone nail 3, and in the calcaneum operation that resets, the doctor resets the calcaneum of patient through third bone nail 3, then fixes the position and the angle of third bone nail 3 through fixing device to liberation both hands carry out subsequent operation step.
The horizontal extension rod 401 points to one end far away from the foot of the human body, so that the operable space of a doctor can be enlarged, the horizontal extension rod 401 is sleeved with an outer tube 406, the outer tube 406 can rotate around the central shaft of the horizontal extension rod 401, a first fixing bolt 405 for limiting the rotation of the outer tube 406 is arranged on the outer tube 406, and the arrangement of the outer tube realizes the change of the angle of the third bone nail 3.
The transverse extension rod 401 is sleeved on the connecting rod 402, so that the transverse extension rod 401 slides on the connecting rod 402, and the connecting rod 402 is provided with a second fixing bolt 404 for limiting the first movement and the second movement of the transverse extension rod 401.
The connecting rod 402 is provided with the sawtooth engaging part 407, the sawtooth engaging part 407 is used for adjusting the length of the connecting rod 402, and the connecting rod 402 is provided with the corresponding locking bolt 403.
The fixing device 5 comprises a fixing frame and a sleeve 504, wherein the sleeve 504 is sleeved on the third bone nail, and the sleeve 504 can rotate around the central axis thereof.
The fixing frame comprises an upper grid baffle 501, a lower grid baffle 503 and a connecting part 502, the connecting part 502 is designed in an arc shape, a through hole 506 corresponding to the connecting part 502 is formed in a sleeve 504, the sleeve 504 performs pendulum motion along the connecting part 502, and the design can meet the requirement of adjusting any angle under the determined condition of the position of the third bone nail 3.
The sleeve 504 is provided with a third fixing bolt 505 for restricting the swinging of the sleeve 504.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. The utility model provides a with external fixation of bone support which characterized in that: including being fixed in the first bone nail of fibula distal end, being fixed in the second bone nail of calcaneum somatic part and being fixed in the third bone nail on the fifth metatarsal, first bone nail, second bone nail and third bone nail are provided with the connecting piece between two liang, the connecting piece is including setting up horizontal extension rod on every bone nail and setting up the connecting rod between horizontal extension rod, fixed connection between horizontal extension rod and the bone nail, horizontal extension rod has gliding first motion on the connecting rod and around the rotatory second motion of connecting rod, the cover is equipped with fixing device on the third bone nail, fixing device is used for controlling the position and the angle of third bone nail.
2. The external calcaneus fixation stent of claim 1, wherein: the novel foot massage device is characterized in that the transverse extension rod points to one end far away from feet of a human body, an outer tube is sleeved on the transverse extension rod, the outer tube can rotate around a central shaft of the transverse extension rod, and a first fixing bolt for limiting the outer tube to rotate is arranged on the outer tube.
3. The external calcaneus fixation stent of claim 2, wherein: the transverse extension rod is sleeved on the connecting rod, and a second fixing bolt for limiting the first movement and the second movement of the transverse extension rod is arranged on the connecting rod.
4. The external calcaneus fixation stent of claim 3, wherein: the transverse extension rod is fixedly connected with the bone nail through the outer tube.
5. The external calcaneus fixation stent of claim 3, wherein: the connecting rod is provided with a sawtooth meshing portion, the sawtooth meshing portion is used for adjusting the length of the connecting rod, and the connecting rod is provided with a corresponding locking bolt.
6. The external calcaneus fixation stent of claim 1, wherein: the fixing device comprises a fixing frame and a sleeve, the sleeve is sleeved on the third bone nail, and the sleeve can rotate around the central axis of the sleeve.
7. The external calcaneus fixation stent of claim 6, wherein: the fixing frame comprises an upper grid block, a lower grid block and a connecting portion, the connecting portion is designed in an arc shape, a through hole corresponding to the connecting portion is formed in the sleeve, and the sleeve does pendulum motion along the connecting portion.
8. The external calcaneus fixation stent of claim 7, wherein: and a third fixing bolt for limiting the swinging of the sleeve is arranged on the sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010323707.1A CN111388076A (en) | 2020-04-22 | 2020-04-22 | External fixation bracket for calcaneus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010323707.1A CN111388076A (en) | 2020-04-22 | 2020-04-22 | External fixation bracket for calcaneus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111388076A true CN111388076A (en) | 2020-07-10 |
Family
ID=71412390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010323707.1A Pending CN111388076A (en) | 2020-04-22 | 2020-04-22 | External fixation bracket for calcaneus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111388076A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100305623A1 (en) * | 2007-11-26 | 2010-12-02 | Kaj Klaue | Bone nail for the heel |
| TW201318598A (en) * | 2011-11-15 | 2013-05-16 | Metal Ind Res & Dev Ct | Fractured bone fixing device |
| CN204446066U (en) * | 2015-03-02 | 2015-07-08 | 上海市奉贤区中心医院 | Calcaneus replacement and fixation support |
| CN205514838U (en) * | 2016-03-18 | 2016-08-31 | 张文贤 | Calcaneum external fixation frame |
| CN108670382A (en) * | 2018-04-13 | 2018-10-19 | 中国人民解放军陆军军医大学 | A kind of outer fixed harness of the forward and backward integration of field environment subpelvic |
| CN109077787A (en) * | 2018-10-26 | 2018-12-25 | 常州市中医医院 | A kind of Orthopaedic external fixator |
| CN208910434U (en) * | 2018-04-08 | 2019-05-31 | 哈尔滨杰瑞斯医疗科技有限公司 | Manipulator joint arm combines reseting fracture exterior fixing rack |
| CN209301266U (en) * | 2018-10-24 | 2019-08-27 | 天津市金兴达实业有限公司 | It is a kind of freely to adjust pelvis external fixed mount |
| CN212307998U (en) * | 2020-04-22 | 2021-01-08 | 宁波市第六医院 | External fixation bracket for calcaneus |
-
2020
- 2020-04-22 CN CN202010323707.1A patent/CN111388076A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100305623A1 (en) * | 2007-11-26 | 2010-12-02 | Kaj Klaue | Bone nail for the heel |
| TW201318598A (en) * | 2011-11-15 | 2013-05-16 | Metal Ind Res & Dev Ct | Fractured bone fixing device |
| CN204446066U (en) * | 2015-03-02 | 2015-07-08 | 上海市奉贤区中心医院 | Calcaneus replacement and fixation support |
| CN205514838U (en) * | 2016-03-18 | 2016-08-31 | 张文贤 | Calcaneum external fixation frame |
| CN208910434U (en) * | 2018-04-08 | 2019-05-31 | 哈尔滨杰瑞斯医疗科技有限公司 | Manipulator joint arm combines reseting fracture exterior fixing rack |
| CN108670382A (en) * | 2018-04-13 | 2018-10-19 | 中国人民解放军陆军军医大学 | A kind of outer fixed harness of the forward and backward integration of field environment subpelvic |
| CN209301266U (en) * | 2018-10-24 | 2019-08-27 | 天津市金兴达实业有限公司 | It is a kind of freely to adjust pelvis external fixed mount |
| CN109077787A (en) * | 2018-10-26 | 2018-12-25 | 常州市中医医院 | A kind of Orthopaedic external fixator |
| CN212307998U (en) * | 2020-04-22 | 2021-01-08 | 宁波市第六医院 | External fixation bracket for calcaneus |
Non-Patent Citations (1)
| Title |
|---|
| 史海山;: "解剖型钢板、锁定钢板治疗移位型跟骨骨折的疗效比较", 中国现代手术学杂志, no. 05, 26 October 2015 (2015-10-26), pages 365 - 367 * |
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