CN109009374A - A kind of fracture of humerus auxiliary reset device - Google Patents

A kind of fracture of humerus auxiliary reset device Download PDF

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Publication number
CN109009374A
CN109009374A CN201810873539.6A CN201810873539A CN109009374A CN 109009374 A CN109009374 A CN 109009374A CN 201810873539 A CN201810873539 A CN 201810873539A CN 109009374 A CN109009374 A CN 109009374A
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China
Prior art keywords
fixed
fracture
humerus
shaped connector
connecting rod
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CN201810873539.6A
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Chinese (zh)
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CN109009374B (en
Inventor
何孔德
陈志超
方子帆
杨蔚华
刘绍鹏
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China Three Gorges University CTGU
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China Three Gorges University CTGU
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Priority to CN201810873539.6A priority Critical patent/CN109009374B/en
Publication of CN109009374A publication Critical patent/CN109009374A/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical 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
    • A61B17/60Surgical 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
    • A61B17/66Alignment, compression or distraction mechanisms
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical 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
    • A61B17/60Surgical 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
    • A61B17/62Ring frames, i.e. devices extending around the bones to be positioned

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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

A kind of fracture of humerus auxiliary reset device, including fixed mechanism, " u "-shaped connector and traction mechanism, the open end of " u "-shaped connector is arranged in the fixed mechanism, and the traction mechanism is arranged far from the " u "-shaped connector other end of fixed mechanism;The fixed mechanism includes two connecting rods, and one end of connecting rod is equipped with fixed pallet, sets that there are two fixed rings on the middle part of connecting rod and the other end;The both ends of the " u "-shaped connector are respectively and movably connected in two connecting rods, and the " u "-shaped connector other end is connected and fixed with traction mechanism.Using the above structure, it is not only low in cost, and it does not need to carry out the work such as thread a needle to patient, greatly reduce the pain of sufferer, and the process for the completion manipulative reduction for helping doctor more time saving and energy saving, the human cost used in many manipulative reductions has most importantly been saved, additional Configuration Assistant is not necessarily to, it will be able to realize more easily manual reduction treating.

Description

A kind of fracture of humerus auxiliary reset device
Technical field
The present invention relates to field of medical devices, especially a kind of fracture of humerus auxiliary reset device.
Background technique
It is very common in long bone fracture orthopaedic trauma patient.Fracture of humerus is one kind of shoulder fractures, and probability of happening compares frequency It is numerous, the 20% of shoulder fractures is probably accounted for, the 4%~5% of whole body fracture is accounted for.This disease can betide each age group, and fracture of humerus often occurs In on collum chirurgicum humeri, humeral shaft, condyle of humerus, humeral intercondy, Humeral lateral condyle, condylus medialis humeri.Wherein, collum chirurgicum humeri bone Folding, fracture of shaft of humerus, fracture of humerus specific gravity is bigger shared by supracondylar fracture of humerus.
Good reset is conducive to union, prevents complication such as fracture delayed union, disunion, malunion, but This is difficult to realize.Making repeated attempts in the course of surgery will increase operating time, cause new damage to fracture site and excessive Radiation irradiation.
Robot and airmanship can help to improve reseting precision, and still, high cost and complicated operation limit it Clinical application, traditional manipulative reduction not only need to boneset fine craftsmanship, veteran doctor and in reseting procedure also Several assistants are needed to assist to reset, this has resulted in the waste of human resources, and manipulative reduction belongs to traditional Chinese medical science, now The talent of this respect is fewer and fewer, and often the good Chinese medicine of bone-setting manipulation is all old docter of TCM, often seems power not during bonesetting From the heart, especially for muscular patient with bone fracture, it may be necessary to which more people assist from side.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of fracture of humerus auxiliary reset devices, control as manipulative reduction A kind of auxiliary instrument of fracture of humerus is treated, it is not only low in cost, but also do not need to carry out the work such as thread a needle to patient, greatly The process for the completion manipulative reduction for reducing the pain of sufferer, and helping doctor more time saving and energy saving, it is most important that saved very The human cost used in more manipulative reductions is not necessarily to additional Configuration Assistant, it will be able to realize that more easily manipulative reduction is controlled It treats.
In order to solve the above technical problems, the technical scheme adopted by the invention is that: a kind of fracture of humerus auxiliary reset device, Including fixed mechanism, " u "-shaped connector and traction mechanism, the open end of " u "-shaped connector, institute is arranged in the fixed mechanism The traction mechanism stated is arranged far from the " u "-shaped connector other end of fixed mechanism;
The fixed mechanism includes two connecting rods, and one end of connecting rod is equipped with fixed pallet, the middle part of connecting rod and another Fixed ring there are two being set on end;
The both ends of the " u "-shaped connector are respectively and movably connected in two connecting rods, the " u "-shaped connector other end and traction Mechanism is connected and fixed.
In preferred scheme, the fixed pallet is equipped with arc-shaped through-hole and the second threaded hole, two connecting rod one end It is threaded through in arc-shaped through-hole and the second threaded hole respectively, the fixed ring described at least one is equipped with nut, is equipped on nut Bolt is adjusted, bolt is adjusted and is located at one end in fixed ring interior zone equipped with arc spacer.
In preferred scheme, the fixed ring is made up of at least two coaxial cyclic structures link block, institute The connecting rod stated passes through the link block setting in fixed ring.
In preferred scheme, the fixed pallet is circular plate structure, and it is straight that diameter of section is greater than fixed ring section Diameter is additionally provided with arc notch in the fixed pallet.
In preferred scheme, the link block is equipped with the first threaded hole perpendicular to connecting rod central axes.
In preferred scheme, the " u "-shaped connector both ends are equipped with two groups of opposite otic placodes, and single group otic placode is by two pieces of ears Board group at, between two pieces of otic placodes in single group otic placode spacing be greater than connection shank diameter, the otic placode be equipped with third threaded hole, Two connecting rods, which are each passed through, to be arranged in two groups of otic placodes, and the third threaded hole of two groups of otic placodes is by wearing fixed link Part, realization " u "-shaped connector are flexibly connected with fixed mechanism.
In preferred scheme, two straight length portions of the " u "-shaped connector are equipped with opposite limition orientation plate, The link block in a fixed ring being arranged on connecting rod one end is contacted with limition orientation plate top surface.
In preferred scheme, the traction mechanism includes fixed bracket, and fixed bracket is by vertical plate and solid It is scheduled on the strip groove composition of plate lower end, is equipped with the rack gear that can be slided along strip groove direction, rack gear one in the strip groove It holds and is connected and fixed with the segmental arc of " u "-shaped connector, be movably equipped with gear by connecting bolt on the fixation bracket, gear is adopted With sector structure, wheel and rack engagement connection.
In preferred scheme, the fixation bracket is equipped with runner, the fixed bracket other side on the side close to rack gear It is equipped with crank, crank one end is fixedly connected horizontal through fixed bracket and with roller centre, and the runner is close to rack gear Side is equipped with convex button, and the gear is equipped with gear handle, and gear handle is equipped with strip through-hole, and the convex button is arranged in item In shape through-hole.
A kind of fracture of humerus auxiliary reset device provided by the present invention has beneficial below by using above structure Effect:
(1) present apparatus is utilized, is assisted when carrying out manual reduction treating fracture of humerus, does not need to thread a needle etc. to patient Work, greatly reduces the pain of sufferer;
(2) using more stable gear & rack structure is driven, the secondary injury of the patient because of caused by operation is preferably avoided;
(3) dimension of fixed mechanism can be adjusted in arc spacer, to achieve the effect that suitable for different patients;
(4) arc spacer increases the reset function of bone misalignment position, by arc spacer gradually to inside fixed mechanism into Row movement, to push to misalignment position, reaches the reset purpose of misalignment position.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples:
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is fixed mechanism structural schematic diagram of the invention.
Fig. 3 is " u "-shaped connecting-piece structure schematic diagram of the invention.
Fig. 4 is traction mechanism structural schematic diagram of the invention.
In figure: fixed mechanism 1, " u "-shaped connector 2, traction mechanism 3, fixed pallet 101, auxiliary reset ring 102 are fixed Ring 103, connecting rod 104 adjust bolt 105, arc spacer 106, nut 107, link block 108, the first threaded hole 109, arc Through-hole 110, the second threaded hole 111, arc notch 112, third threaded hole 201, otic placode 202, limition orientation plate 203, fixed branch Frame 301, runner 302, gear 303, rack gear 304, crank 305 connect bolt 306, gear handle 307, strip through-hole 308, convex button 309, plate 310, strip groove 311.
Specific embodiment
Embodiment 1:
In picture 1-4, a kind of fracture of humerus auxiliary reset device, including fixed mechanism 1, " u "-shaped connector 2 and traction mechanism 3, The open end of " u "-shaped connector 2 is arranged in the fixed mechanism 1, and the traction mechanism 3 is arranged far from fixed mechanism 1 2 other end of " u "-shaped connector on;
The fixed mechanism 1 includes two connecting rods 104, and one end of connecting rod 104 is equipped with fixed pallet 101, connecting rod 104 Middle part and the other end on set there are two fixed ring 103;
The both ends of the " u "-shaped connector 2 are respectively and movably connected in two connecting rods 104,2 other end of " u "-shaped connector It is connected and fixed with traction mechanism 3.
Embodiment 2:
On the basis of embodiment 1, the fixed pallet 101 be equipped with arc-shaped through-hole 110 and the second threaded hole 111, two 104 one end of connecting rod is threaded through respectively in arc-shaped through-hole 110 and the second threaded hole 111, in the fixed ring 103 described at least one It equipped with nut 107, is equipped on nut 107 and adjusts bolt 105, adjust bolt 105 is located in 103 interior zone of fixed ring one End is equipped with arc spacer 106.
In preferred scheme, the fixed ring 103 is by least two coaxial cyclic structures by 108 groups of link block At the connecting rod 104 passes through the link block 108 in fixed ring 103 and is arranged.
In preferred scheme, the fixed pallet 101 is circular plate structure, and diameter of section is greater than fixed ring 103 Diameter of section is additionally provided with arc notch 112 in the fixed pallet 101.
In preferred scheme, the link block 108 is equipped with the first threaded hole perpendicular to 104 central axes of connecting rod 109。
Embodiment 3:
On the basis of embodiment 1,2 both ends of " u "-shaped connector are equipped with two groups of opposite otic placodes 202, single group otic placode 202 It is made of two pieces of otic placodes 202, spacing is greater than 104 diameter of connecting rod between two in single group otic placode 202 piece otic placode 202, described Otic placode 202 is equipped with third threaded hole 201, and two connecting rods 104, which are each passed through, to be arranged in two groups of otic placodes 202, and two The third threaded hole 201 of group otic placode 202 realizes that the activity of " u "-shaped connector 2 and fixed mechanism 1 connects by wearing fixed beam It connects.
In preferred scheme, two straight length portions of the " u "-shaped connector 2 are equipped with opposite limition orientation plate 203, the link block 108 in a fixed ring 103 being arranged on 104 one end of connecting rod is contacted with 203 top surface of limition orientation plate.
Embodiment 4:
On the basis of embodiment 1, the traction mechanism 3 includes fixed bracket 301, and fixed bracket 301 is by vertical plate Part 310 and the strip groove 311 for being fixed on 310 lower end of plate form, and being equipped in the strip groove 311 can be along strip groove The rack gear 304 of 311 directions sliding, 304 one end of rack gear and the segmental arc of " u "-shaped connector 2 are connected and fixed, the fixation bracket It is movably equipped with gear 303 by connecting bolt 306 on 301, gear 303 uses sector structure, and gear 303 is engaged with rack gear 304 Connection.
In preferred scheme, the fixation bracket 301 is equipped with runner 302, fixed branch on the side close to rack gear 304 301 other side of frame is equipped with crank 305, and company is fixed horizontal through fixed bracket 301 and with 302 center of runner in 305 one end of crank It connecing, the runner 302 is equipped with convex button 309 close to the side of rack gear 304, and the gear 303 is equipped with gear handle 307, Gear handle 307 is equipped with strip through-hole 308, and the convex button 309 is arranged in strip through-hole 308.
When using the above structure, the working principle of the present apparatus is as follows:
In use, first auxiliary reset ring 102, fixed ring 103 are removed from 104 one end of connecting rod, on 104 other end of connecting rod Fixed pallet 101 is fixed by nut, after fixing fracture of humerus proximal end by fixed pallet 101, then by auxiliary reset ring 102 It is slowly carefully loaded onto for patient (in addition, by adjusting bolt 105 and fixed ring on adjusting nut 107 with fixed ring 103 103, on the suitable position in patient's fracture of humerus position distal end, using arc spacer 106 by patient's fracture of humerus position distal end It is fixed).Then crank 305 is rotated, runner 302 is driven to rotate, the convex button 309 on runner 302 is rotated with moving gear 303, thus Gear 304 is for linear motion with carry-over bar 304, the connection that curvilinear motion is converted into stable rack-and-pinion is driven, crank 305 Per revolution, i.e. drive " u "-shaped connector 2 are to the mobile one end distance of traction mechanism and reset." u "-shaped connector 2 drives logical Cross otic placode 202 limit fixed fixed ring 103 and setting on the same side the connecting rod 104 between two otic placodes 202 along Limition orientation plate 203 makees straight reciprocating motion, finally realizes the auxiliary reset function of the device.During over the course for the treatment of, It can guarantee therapeutic process in the bottom processing bolt hole of fixed bracket 301 in order to which fixed bracket 301 is fixed on desk In, the stability of fixed bracket 301.

Claims (9)

1. a kind of fracture of humerus auxiliary reset device, it is characterized in that: including fixed mechanism (1), " u "-shaped connector (2) and traction Mechanism (3), the fixed mechanism (1) setting exist in the open end of " u "-shaped connector (2), the traction mechanism (3) setting On " u "-shaped connector (2) other end far from fixed mechanism (1);
The fixed mechanism (1) includes two connecting rods (104), and one end of connecting rod (104) is equipped with fixed pallet (101), There are two being set on the middle part of connecting rod (104) and the other end fixed ring (103);
The both ends of the " u "-shaped connector (2) are respectively and movably connected on two connecting rods (104), " u "-shaped connector (2) The other end is connected and fixed with traction mechanism (3).
2. a kind of fracture of humerus auxiliary reset device according to claim 1, it is characterised in that: the fixed pallet (101) it is equipped with arc-shaped through-hole (110) and the second threaded hole (111), it is logical that two connecting rod (104) one end are threaded through arc respectively In hole (110) and the second threaded hole (111), the fixed ring (103) described at least one is equipped with nut (107), nut (107) On be equipped with adjust bolt (105), adjust bolt (105) be located at one end in fixed ring (103) interior zone be equipped with arc Gasket (106).
3. a kind of fracture of humerus auxiliary reset device according to claim 2, it is characterised in that: the fixed ring (103) it is made up of at least two coaxial cyclic structures link block (108), the connecting rod (104), which passes through, fixes Link block (108) setting on ring (103).
4. a kind of fracture of humerus auxiliary reset device according to claim 2, it is characterised in that: the fixed pallet It (101) is circular plate structure, diameter of section is greater than fixed ring (103) diameter of section, goes back in the fixed pallet (101) Equipped with arc notch (112).
5. a kind of fracture of humerus auxiliary reset device according to claim 3, it is characterised in that: the link block (108) it is equipped with the first threaded hole (109) perpendicular to connecting rod (104) central axes.
6. a kind of fracture of humerus auxiliary reset device according to claim 1, it is characterised in that: the " u "-shaped connection Part (2) both ends are equipped with two groups of opposite otic placodes (202), and single group otic placode (202) is made of two pieces of otic placodes (202), single group otic placode (202) spacing is greater than connecting rod (104) diameter between two pieces of otic placodes (202) in, and the otic placode (202) is equipped with third spiral shell Pit (201), two connecting rods (104), which are each passed through, to be arranged in two groups of otic placodes (202), two groups of otic placodes (202) Third threaded hole (201) is flexibly connected by wearing fixed beam, realization " u "-shaped connector (2) with fixed mechanism (1).
7. a kind of fracture of humerus auxiliary reset device according to claim 6, it is characterised in that: the " u "-shaped connection Two straight length portions of part (2) are equipped with opposite limition orientation plate (203), one be arranged on connecting rod (104) one end Link block (108) in a fixed ring (103) is contacted with limition orientation plate (203) top surface.
8. a kind of fracture of humerus auxiliary reset device according to claim 1, it is characterised in that: the traction mechanism It (3) include fixed bracket (301) that fixed bracket (301) are by vertical plate (310) and to be fixed on plate (310) lower end Strip groove (311) composition, the rack gear that can be slided along strip groove (311) direction is equipped in the strip groove (311) (304), rack gear (304) one end and the segmental arc of " u "-shaped connector (2) are connected and fixed, and pass through company on the fixation bracket (301) Connecting bolt (306) is movably equipped with gear (303), and gear (303) uses sector structure, gear (303) and rack gear (304) company of engagement It connects.
9. a kind of fracture of humerus auxiliary reset device according to claim 8, it is characterised in that: the fixation bracket (301) runner (302) being equipped on the side close to rack gear (304), fixed bracket (301) other side is equipped with crank (305), Crank (305) one end is fixedly connected horizontal through fixed bracket (301) and with runner (302) center, and the runner (302) leans on The side of nearly rack gear (304) is equipped with convex button (309), and the gear (303) is equipped with gear handle (307), gear handle (307) It is equipped with strip through-hole (308), the convex button (309) is arranged in strip through-hole (308).
CN201810873539.6A 2018-08-02 2018-08-02 Auxiliary reduction device for humerus fracture Active CN109009374B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810873539.6A CN109009374B (en) 2018-08-02 2018-08-02 Auxiliary reduction device for humerus fracture

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Application Number Priority Date Filing Date Title
CN201810873539.6A CN109009374B (en) 2018-08-02 2018-08-02 Auxiliary reduction device for humerus fracture

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CN109009374A true CN109009374A (en) 2018-12-18
CN109009374B CN109009374B (en) 2024-05-28

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110946640A (en) * 2019-12-30 2020-04-03 朱怀宇 Humerus stretching and compressing device
RU204161U1 (en) * 2021-02-10 2021-05-12 федеральное государственное бюджетное учреждение "Национальный медицинский исследовательский центр травматологии и ортопедии имени академика Г.А. Илизарова" Министерства здравоохранения Российской Федерации DEVICE FOR TREATMENT OF SHUMER CONDYLE FRACTURES

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87203436U (en) * 1987-07-05 1988-11-16 王凌汉 Multifunction upper extremity fixation tractor
CN201510389U (en) * 2009-09-24 2010-06-23 山东省千佛山医院 Resetting and positioning tractor suitable for patient with fracture
CN107616829A (en) * 2017-10-26 2018-01-23 安平江 A kind of multifunctional cervical vertebra skull traction restorer
CN208926561U (en) * 2018-08-02 2019-06-04 三峡大学 A kind of fracture of humerus auxiliary reset device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87203436U (en) * 1987-07-05 1988-11-16 王凌汉 Multifunction upper extremity fixation tractor
CN201510389U (en) * 2009-09-24 2010-06-23 山东省千佛山医院 Resetting and positioning tractor suitable for patient with fracture
CN107616829A (en) * 2017-10-26 2018-01-23 安平江 A kind of multifunctional cervical vertebra skull traction restorer
CN208926561U (en) * 2018-08-02 2019-06-04 三峡大学 A kind of fracture of humerus auxiliary reset device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110946640A (en) * 2019-12-30 2020-04-03 朱怀宇 Humerus stretching and compressing device
RU204161U1 (en) * 2021-02-10 2021-05-12 федеральное государственное бюджетное учреждение "Национальный медицинский исследовательский центр травматологии и ортопедии имени академика Г.А. Илизарова" Министерства здравоохранения Российской Федерации DEVICE FOR TREATMENT OF SHUMER CONDYLE FRACTURES

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