CN109567914A - Scalable defective bone restoration external fixation device - Google Patents
Scalable defective bone restoration external fixation device Download PDFInfo
- Publication number
- CN109567914A CN109567914A CN201811369261.5A CN201811369261A CN109567914A CN 109567914 A CN109567914 A CN 109567914A CN 201811369261 A CN201811369261 A CN 201811369261A CN 109567914 A CN109567914 A CN 109567914A
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- retractable
- universal
- half ring
- fixation device
- external fixation
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 27
- 230000002950 deficient Effects 0.000 title 1
- 230000007547 defect Effects 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 abstract description 3
- 239000010959 steel Substances 0.000 abstract description 3
- 230000036770 blood supply Effects 0.000 abstract 1
- 230000035876 healing Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements for external osteosynthesis, e.g. distractors, contractors
- A61B17/66—Alignment, compression or distraction mechanisms
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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)
- Surgical Instruments (AREA)
Abstract
本发明涉及一种可伸缩骨缺损修复外固定装置，包括4个可伸缩环形支具和万向骨针装置，4个可伸缩环形支具上下间隔设置并通过多个连接杆连接成整体，每个可伸缩环形支具上有至少两个万向骨针装置；可伸缩环形支具包括第一半环和第二半环，第一半环与第二半环的端部通过滑动撑开臂连接；万向骨针装置包括固定针和万向固定螺帽，万向固定螺帽安装在可伸缩环形支具上，固定针装在万向固定螺帽上。本发明可根据患者肢体大小调节可伸缩环形支具的大小，2mm钢针更加微创，局部血运干扰小，可为需要肢体重建的骨缺损患者提供更舒适的治疗体验，以及更多选择；经多平面穿针，固定可靠，应力分布均匀，可在修复骨不连的同时矫正肢体成角畸形。
The invention relates to a retractable external fixation device for repairing bone defects, comprising four retractable annular braces and a universal bone pin device. There are at least two universal bone pin devices on each retractable annular support; the retractable annular support includes a first half ring and a second half ring, and the ends of the first half ring and the second half ring are slidably spread the arms Connection; the universal bone needle device includes a fixed needle and a universal fixed nut, the universal fixed nut is installed on the retractable annular support, and the fixed needle is installed on the universal fixed nut. The invention can adjust the size of the retractable annular support according to the size of the patient's limb, the 2mm steel needle is more minimally invasive, and the local blood supply disturbance is small, and can provide a more comfortable treatment experience and more choices for patients with bone defects who need limb reconstruction; Through multi-plane needle threading, the fixation is reliable and the stress distribution is even, which can correct the angular deformity of the limbs while repairing the nonunion.
Description
Technical field
The present invention relates to the field of medical instrument technology more particularly to a kind of scalable bone defect healing external fixers.
Background technique
Exterior fixing rack has become the prefered method of the corresponding operative treatment of orthopaedics, and orthopaedics technique for fixing is by percutaneously wearing
Needle connects adjacent bone section or limbs with Ligation in vitro device, and reaches stable fixation after the basic anatomical reduction of fracture end,
Required biomechanical environment is provided for union, is able to satisfy patient's functional rehabilitation need of exercise, is a kind of good orthopaedics
Operative treatment technology.This method is neither interior fixation, nor outer fixed, but fixed in playing over cannot reach with outer fixation
The effect arrived.
Existing exterior fixing rack generally includes spicule and Ring splint, and spicule is mounted on annular by universal hold-doun nut
On brace, but existing Ring splint is usually fixed diameter, can not be adjusted according to limbs of patient size, usually to trouble after wearing
Person's life, action cause larger inconvenience.
Summary of the invention
The present invention is intended to provide scalable bone defect healing external fixer, can according to limbs of patient size adjusting size,
To need the bone defect patient of limb reconstruction to provide more comfortable treatment experience.
In order to achieve the above objectives, The technical solution adopted by the invention is as follows:
A kind of scalable bone defect healing external fixer, including 4 scalable Ring splints and universal spicule device, 4
A scalable Ring splint is integral by the connection of multiple connecting rods, above and below 4 scalable Ring splints, is spaced setting；Each
There are at least two universal spicule devices on scalable Ring splint.
Further, scalable Ring splint includes the first semi-ring and the second semi-ring, the end of the first semi-ring and the second semi-ring
Portion struts arm connection by sliding.
Further, sliding struts the sliding bar that arm includes straight-arm He can lock, and the straight-arm is equipped with sliding slot, the cunning
Lever is in sliding slot, and the both ends of the first semi-ring are respectively and fixedly connected with a straight-arm, and the second semi-ring both ends are respectively and fixedly connected with a sliding bar.
Wherein, sliding bar is locked by locking nut.
Further, connecting rod is threaded rod, there is the through-hole being adapted to connecting rod on scalable Ring splint, and connecting rod is logical
Locking nut is crossed to be locked with scalable Ring splint.
Preferably, connecting rod has four.
Wherein, universal spicule device includes fixed pin and universal hold-doun nut, and the universal hold-doun nut is mounted on and can stretch
On contracting Ring splint, fixed pin is on universal hold-doun nut.
Preferably, the diameter of fixed pin is 2mm.
Compared with prior art, the invention has the following advantages:
The present invention can be according to the size of the scalable Ring splint of the big minor adjustment of limbs of patient, and 2mm steel needle is more minimally invasive, part
Blood fortune interference is small, can experience to need the bone defect patient of limb reconstruction to provide more comfortable treatment, and more more options；Through more
Plane puncture needle, fixed reliable, stress distribution is uniform, and limbs angulation deformity can be corrected while repairing bone nonunion.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of scalable Ring splint；
In figure: the first semi-ring of 1-, the second semi-ring of 2-, the universal hold-doun nut of 3-, 4- locking nut, 5- through-hole, 6- connecting rod,
7- fixed pin, 8- fixed link, 11- straight-arm, 12- sliding slot, 21- sliding bar.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing, to the present invention into
Row is further described.
As shown in Figure 1, 2, scalable bone defect healing external fixer disclosed by the invention, including 4 scalable annulars
Brace and universal spicule device, 4 scalable Ring splints are connected integral by multiple connecting rods 6, it is preferable that connecting rod 6
There are four, the spacing distance of adjacent two connecting rods 6 is suitable.Above and below 4 scalable Ring splints, it is spaced setting, two of them
Scalable Ring splint is distal loop, and another two is proximal loop.There are at least two universal spicules on each scalable Ring splint
Device.Wherein, universal spicule device includes fixed pin 7 and universal hold-doun nut 3, and universal hold-doun nut 3 is mounted on scalable ring
On shape brace, fixed pin 7 is on universal hold-doun nut 3, and every fixed pin 7 is with there are two universal hold-doun nut 3, fixed pins 7
Head and the tail both ends it is fixed by a universal hold-doun nut 3 respectively, the mechanics for obtaining respective planes is stablized.Universal hold-doun nut 3 is
Common steel needle fixing clamp in existing Orthopaedic external fixator, details are not described herein again for structure.
Scalable Ring splint includes the first semi-ring 1 and the second semi-ring 2, and the end of the first semi-ring 1 and the second semi-ring 2 passes through
Sliding struts arm connection.Sliding struts the sliding bar 21 that arm includes straight-arm 11 He can lock, and straight-arm 11 is equipped with sliding slot 12, sliding
Bar 21 is in sliding slot 12, and the both ends of the first semi-ring 1 are respectively and fixedly connected with a straight-arm 11, and 2 both ends of the second semi-ring are respectively and fixedly connected with a sliding
Bar 21.Wherein, sliding bar 21 is locked by locking nut 4.The present invention can adjust the first semi-ring 1 by adjusting the position of sliding bar 21
The distance between second semi-ring 2, to realize the telescopic adjustment of scalable Ring splint.
Connecting rod 6 is threaded rod, there is the through-hole 5 being adapted to connecting rod 6 on scalable Ring splint, and through-hole 5 is screw hole.Even
Extension bar 6 is locked by upper and lower two locking nuts 4 with scalable Ring splint.The diameter of fixed pin 7 is 2mm.Locking screw
Mother 4 is configured with gasket and spanner.As shown in Figure 1, 2, universal hold-doun nut 3 can be clamped on sliding bar 21, can also be logical
Fixed link 8 is loaded onto fixation in hole 5, then clamps universal hold-doun nut 3 in the fixed link 8, and fixed link 8 passes through upper and lower two locks
Tight nut 4 is locked with scalable Ring splint.
The size of the preoperative scalable Ring splint of big minor adjustment according to limbs of patient diameter, between retaining ring tool and suffering limb
There are the gap of 2 finger beams, nut is tightened to keep scalable Ring splint horizontal plane to fix；Then intersection is squeezed into perpendicular to bone face
Fixed pin, fixed pin is fixed on universal nut.
Certainly, the present invention can also have other numerous embodiments, without deviating from the spirit and substance of the present invention,
Those skilled in the art can make various corresponding changes and modifications, but these corresponding changes and change according to the present invention
Shape all should fall within the scope of protection of the appended claims of the present invention.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811369261.5A CN109567914B (en) | 2018-11-16 | 2018-11-16 | A retractable external fixation device for repairing bone defects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811369261.5A CN109567914B (en) | 2018-11-16 | 2018-11-16 | A retractable external fixation device for repairing bone defects |
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| Publication Number | Publication Date |
|---|---|
| CN109567914A true CN109567914A (en) | 2019-04-05 |
| CN109567914B CN109567914B (en) | 2021-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811369261.5A Active CN109567914B (en) | 2018-11-16 | 2018-11-16 | A retractable external fixation device for repairing bone defects |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109907811A (en) * | 2019-04-29 | 2019-06-21 | 大博医疗科技股份有限公司 | Fixture and reset system |
| CN109965960A (en) * | 2019-04-14 | 2019-07-05 | 浙江工业大学 | A digital adjustable bone orthopedic external fixator with detachable motor |
| CN109965959A (en) * | 2019-04-14 | 2019-07-05 | 浙江工业大学 | A telescopic digital skeletal rehabilitation external fixator with adjustable size |
| CN109984827A (en) * | 2019-04-14 | 2019-07-09 | 浙江工业大学 | A kind of orthopedic external fixing rack of adjustable bone |
| CN109984828A (en) * | 2019-04-14 | 2019-07-09 | 浙江工业大学 | A kind of combined type fixed ring for adjustable size fixed outside bone rehabilitation |
| CN110026698A (en) * | 2019-05-07 | 2019-07-19 | 袁爱平 | A kind of frame of the guide mechanism of laser welding is integrated |
| CN110141335A (en) * | 2019-04-14 | 2019-08-20 | 浙江工业大学 | A kind of bone rehabilitation external fixing rack of triangle extension type |
| CN110141336A (en) * | 2019-04-14 | 2019-08-20 | 浙江工业大学 | An external fixator for skeletal rehabilitation with steplessly adjustable clamps |
| CN110269671A (en) * | 2019-04-14 | 2019-09-24 | 浙江工业大学 | A kind of adjustable orthopedic external fixing rack of bone of the digitlization that motor is removable |
| CN111759432A (en) * | 2020-06-24 | 2020-10-13 | 浙江工业大学 | A building block type can be quickly dismantled orthopaedic external fixation bracket ring |
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2018
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| CN1115630A (en) * | 1995-05-03 | 1996-01-31 | 汤福刚 | Automatic tubular-bone extending and reduction fixing system |
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| CN105919659A (en) * | 2016-06-27 | 2016-09-07 | 重庆富沃思医疗器械有限公司 | Pelvis fixing sleeve assembly for adjustable fixing support |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110141335A (en) * | 2019-04-14 | 2019-08-20 | 浙江工业大学 | A kind of bone rehabilitation external fixing rack of triangle extension type |
| CN110141335B (en) * | 2019-04-14 | 2024-04-26 | 浙江工业大学 | Triangular telescopic skeleton rehabilitation external fixation frame |
| CN109965959A (en) * | 2019-04-14 | 2019-07-05 | 浙江工业大学 | A telescopic digital skeletal rehabilitation external fixator with adjustable size |
| CN109984827A (en) * | 2019-04-14 | 2019-07-09 | 浙江工业大学 | A kind of orthopedic external fixing rack of adjustable bone |
| CN109984828A (en) * | 2019-04-14 | 2019-07-09 | 浙江工业大学 | A kind of combined type fixed ring for adjustable size fixed outside bone rehabilitation |
| CN109984828B (en) * | 2019-04-14 | 2024-06-11 | 浙江工业大学 | Size-adjustable combined fixing ring for external fixation of bone rehabilitation |
| CN110269671A (en) * | 2019-04-14 | 2019-09-24 | 浙江工业大学 | A kind of adjustable orthopedic external fixing rack of bone of the digitlization that motor is removable |
| CN110141336A (en) * | 2019-04-14 | 2019-08-20 | 浙江工业大学 | An external fixator for skeletal rehabilitation with steplessly adjustable clamps |
| CN109965960A (en) * | 2019-04-14 | 2019-07-05 | 浙江工业大学 | A digital adjustable bone orthopedic external fixator with detachable motor |
| CN109965959B (en) * | 2019-04-14 | 2024-03-26 | 浙江工业大学 | A telescopic digital bone rehabilitation external fixator with adjustable size |
| CN109907811B (en) * | 2019-04-29 | 2023-09-26 | 大博医疗科技股份有限公司 | Fixed frame and reset system |
| CN109907811A (en) * | 2019-04-29 | 2019-06-21 | 大博医疗科技股份有限公司 | Fixture and reset system |
| CN110026698A (en) * | 2019-05-07 | 2019-07-19 | 袁爱平 | A kind of frame of the guide mechanism of laser welding is integrated |
| CN111759432A (en) * | 2020-06-24 | 2020-10-13 | 浙江工业大学 | A building block type can be quickly dismantled orthopaedic external fixation bracket ring |
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