CN104306055A - Fixator combining mesoscapula part, acromion part and distal clavicle part - Google Patents
Fixator combining mesoscapula part, acromion part and distal clavicle part Download PDFInfo
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- CN104306055A CN104306055A CN201410670695.4A CN201410670695A CN104306055A CN 104306055 A CN104306055 A CN 104306055A CN 201410670695 A CN201410670695 A CN 201410670695A CN 104306055 A CN104306055 A CN 104306055A
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- 210000001991 scapula Anatomy 0.000 claims description 74
- 208000010392 Bone Fractures Diseases 0.000 claims description 67
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- 239000007943 implant Substances 0.000 claims description 6
- 229910001000 nickel titanium Inorganic materials 0.000 claims description 6
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Classifications
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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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
-
- 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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8023—Variable length plates adjustable in both directions
-
- 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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8061—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates specially adapted for particular bones
-
- 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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/808—Instruments for holding or positioning bone plates, or for adjusting screw-to-plate locking mechanisms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/02—Inorganic materials
- A61L31/022—Metals or alloys
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Epidemiology (AREA)
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- Inorganic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Prostheses (AREA)
Abstract
A fixator combining a mesoscapula part, an acromion part and a distal clavicle part is made of memory alloy, the shape of the fixator is a whole fracture-setting steel plate, and the fixator is divided into four parts including the mesoscapula part, the acromion part, a joint bridging part and the distal clavicle part and is an inner fixing medial instrument suitable for the fracture of the mesoscapula area, the acromion area and the distal clavicle with or without acromioclavicular dislocation. The shape of the fixator is designed according to the layout and the physiological anatomy shape of the acromion area, the mesoscapula area and the distal clavicle, and can connect and stereoscopically fix the acromion area, the mesoscapula area and the distal clavicle together. The fixator is good in elasticity and strength and can be processed in a bent, twisted and sheared mode freely according to the fixation need of a fracture operation. In addition, the fixator is convenient to shape and install, external fixation is not needed after the operation, early function exercise of the shoulder joint is facilitated, and postoperative ankylosis is prevented. By means of the fixator, the curative effect is improved, complications are reduced, a complex operation is simplified, operation risks are reduced, and the fixator is worth popularization.
Description
Technical field
Type of the present invention belongs to a kind of medical instruments field, is specifically related to a kind of fracture such as region acromialis, spine of scapula, clavicle far-end that are exclusively used in and accompanies or do not accompany the interior combined fixator needed for acromioclavicular joint dislocation.
Background technology
Along with economic development, the industry such as traffic, building is flourishing, and fracture of scapula is day by day common in recent years, accounts for 3% ~ 5% of shoulder fractures, and close to 1% of whole body fracture, fracture of coracoid process of scapula accounts for 3% ~ 13% of fracture of scapula.The key of fracture of scapula treatment is that recovery anatomic form and mechanics are stablized as far as possible.Early functional exercise.In the past to severe comminuted fracture of scapula, because of indefinite effective fixing means, often adopt non-operative treatment, easily cause the sequela such as the situation of the unstable and upper extremity function generation obstacle of malunion of fracture, shoulder joint.Along with patient required day by day to improve to quality of life, after fracture, good functional rehabilitation becomes the emphasis that patient pays close attention to.Previously it has been generally acknowledged that and mostly can obtain good efficacy through expectant treatment.But a lot of scholar's retrospective study finds that expectant treatment can remain many sequela.Increasing scholar has been familiar with the importance of surgical operation therapy.Along with patient required day by day to improve to quality of life, after fracture, good functional rehabilitation becomes the emphasis that patient pays close attention to.Want to obtain good functional rehabilitation, except for except surgical indication, more and more tend to adopt operative treatment, object is all resume stability.
Scapula is one piece of irregular triangle flat bone, before slightly recessed, point two face three edge.Neck of scapula is narrow, and sclerotin is weak, and easily fracture, its stability relies on the integrity of three posts, if fracture is failed to pinpoint a disease in diagnosis, easily causes malunion of fracture, glenohumeral instability can be caused to determine or dislocation.Scapula is a part for shoulder suspention complex, connects upper limb and axial bone, has to enrich muscle and hold around it, is also starting point and the attachment point of polylith muscle.Accurate Diagnosis fracture of scapula, has important value to selection therapeutic scheme and the prognosis of the assessment state of an illness.Because scapula taxonomic hierarchies is comparatively complicated, there is no unified criteria for classification at present.Common sorting technique has Hardegger typing, Mille typing and international internal fixtion EASD (AO)/bone wound orthopaedics association of the U.S. (OTA) typing.Hardegger typing: specifically can be subdivided into fracture of scapular body, Scapula glenoid edge fracture, Scapula glenoid nest fracture, anatomical neck fracture, fracture of surgical neck, acromion fracture, fracture of spina scapula and fracture of coracoid process of scapula.Current most scholar thinks to involve above shoulder joint fracture of scapula especially some serious displacement type fracture of scapula, fracture of scapula and suspends complex injury in midair, merge brachia plexus injury or merge suprascapular nerve injury by the fracture of scapular notch all need the positive operative treatment of row as being greater than the acromion of 5mm and fracture of coracoid process of scapula, fracture of scapula with clavicular fracture, displacement, the shoulder dysfunction that can to a certain degree exempting expectant treatment and cause, is more conducive to its functional rehabilitation.For the fracture of scapula having displaced, previously conventional employing expectant treatment, usually causes traumatic arthritis, pain, the serious sequela such as limitation of activity.The quality of the reduction of the fracture is extremely important to prognosis, and strong is fixedly the basis that postoperative function is taken exercise, and is also the important step ensureing surgical effect.Adopt open reduction and Kirschner wire fixation, because topography is complicated, wound is large, surgical technic requires high, post-operative recovery is also difficult to reach ideal effect.Fracture of scapula more after, depend on the one hand the degree of injury of fracture, on the other hand and operation well reset and be fixed with substantial connection.Just when coming to see, the material category selected of internal fixation treatment is many, reconstruction plate, T steel plate, deformed steel flats, calcaneal steel plate and Kirschner wire, steel wire, Absorbable rod and nonabsorable screw.The geometric shape of scapula is very irregular, and anatomical position compared with dark, attachment muscle is many, therefore, has the probability of raw nonunion more occurred frequently; Moreover internal fixation material need be considered to bear unnecessary misery to exempt patient's Repeated Operation from the permanent angle inserted as far as possible.Comprehensive two aspect factors are considered, titanium alloy material is not only the metal with higher inertia, and plasticity is very strong, there is good biocompatibility, both can reduce thus insert rear to tissue produce too much pessimal stimulation, again can be fully moulding to guarantee to produce with processus coracoideus district to stick effect preferably, and can for producing separation stresses when effectively resisting shoulder mobility and shear stress provides sufficient constant intensity.
Current open source literature also reports the internal fixation device of some scapulas, and through retrieval, we take passages as follows:
1, Chinese patent, title: a kind of Scapula anatomize type steel plate (the statutory status day for announcing: 2007.11.21 statutory status: the termination cessation of patent right due to non-payment of the annual fee of patent right).Application Number (patent): CN200420089952.7, application (patent right) people: Chen Lijun; Invention (design) people: Chen Lijun.Address: MP major path Cixi City second the People's Hospital, Guangcheng town, Cixi City of Zhejiang Province orthopaedics.Summary: a kind of Scapula anatomize type steel plate, relates to a kind of internal fixation steel plate being used for the treatment of fracture of scapula.Its steel plate is thin plate, and the dissect physiology shape of plate profile and scapula adapts, and this steel plate form is connected as two T steel plates, can respectively axillary margin of scapula, and Scapula glenoid, spine of scapula solid is fixed together.Steel plate is plane before using, and can carry out moulding according to scapula profile, steel plate is designed with multiple screw fixed hole and a screw secured adjusted hole during use.Steel plate adopts titanium matter steel plate, thin and have elasticity, and intensity is good, close to flexible bone modulus, settles in easy Rhizoma Atractylodis Macrocephalae, needs steel plate bending, to reverse according to scapula profile, the process such as to wipe out.
2. Chinese patent, title: elastic nickle-titanium alloy fixer for acromioclavicular (the statutory status day for announcing: 2006.07.05 statutory status: the termination cessation of patent right due to non-payment of the annual fee of patent right), Application Number (patent): CN02217424.9, the applying date: 2002.05.15, application (patent right) people: Zhang Desheng; Xu Shuogui; Invention (design) people: Zhang Desheng; Xu Shuogui.Address: Room 601, No. 25, Yangpu district of Shanghai Huan Sha six village.Summary: this utility model relates to a kind of elastic nickle-titanium alloy fixer for acromioclavicular, comprises blade plate, it is characterized in that: there are the acromion hook of semicircular in shape, the opening upwards of acromion hook in a top of blade plate, blade plate has and has at least three groups to encircle arm.The utility model has the advantages that the anatomical position that can maintain acromioclavicular joint, imposing acromioclavicular joint can elastic active persistent pressure, ensures that the fine motion physiological function of acromioclavicular joint is unrestricted, promotes the healing of acromioclavicular joint dislocation and dislocation companion distal clavicle fracture.
3. Chinese patent, title: y shape acromioclavicular joint dissects fixing head (the statutory status day for announcing: 2010.11.10 statutory status: the termination of patent right), Application Number (patent): CN200820026574.6, the applying date: 2008.08.01, application (patent right) people: Shi Jie; Invention (design) people: Shi Jie; Yang Ruifang; Chen Yujin; Sun Qiyun.Address: No. 216 Taierzhuang Districts, Wenhua road, Taierzhuang District, Zaozhuang City of Shandong Province Tuberculosis Control Institute digest: a kind of y shape acromioclavicular joint of good fixing effect dissects fixing head, comprise plate body, plate has screw nail with it, plate is as " y " shape, plate body is two crossing plate arms, two plate arm tops are all connected with crotch, crotch have screw nail, crotch and plate arm perpendicular.This utility model meets acromioclavicular joint anatomic form, meets biological fixation principle, easy and simple to handle, and fixed effect is definitely reliable, and energy early functional exercise, reaches functional rehabilitation to greatest extent.
In above-mentioned disclosed document, fracture of scapula can be solved or do not accompany some problems of acromioclavicular joint dislocation.But the shortcoming existed has: apparatus structure is too simple, failing other positions close with fracture of scapula position locks mutually, and it is insecure that apparatus is fixed on fracture site, and therapeutic effect is undesirable then; And some structures are too complicated, complicated and loaded down with trivial details in operative process, practicality is strong, and what really should use is few.Meanwhile, similar scapula is dissected in internal fixation device research and development at home, the open source literature report of dissecting locking internal fixation device in order to processus coracoideus district made there are no adopting memorial alloy.
In sum, fracture of scapula and pathological changes are day by day common multiple, the complicated fracture of scapula incidence rate caused by the violence of the high-energy such as vehicle accident and building accident in recent years increases gradually, shoulder joint deformity, limitation of activity is caused after expectant treatment, shoulder pain etc., affect suffering limb function and quality of life.Tend to implement surgical menopause treatment to intraarticular and the serious fracture of scapula that is shifted.Because this position is irregular and anatomical structure complicated, surgical technic difficulty is large, risk is high, and operating theater instruments and operation method quality directly can affect therapeutic effect.The traditional operation mode of current employing and apparatus can solve some problems, but the shortcoming existed is that therapeutic effect is not satisfactory, and some the new apparatus practicality once occurred are not strong, are therefore difficult to promote the use.
The dissection internal fixation device that current shortage and scapula match and increase operation technique difficulty and directly affect therapeutic effect.Along with the developing rapidly of studying such as Preclinic and clinic, material science, biomechanics and internal fixation system is updated, new Therapeutic Method, treatment technology continue to bring out, and are in the constantly progressive stage.We are necessary to carry out the basic research such as Systematic anatomy to scapula, and the personalized internal fixation device of dissecting of research and development is that this district's internal fixation treatment improves new and practical method.
Summary of the invention
Object of the present invention is exactly the deficiency overcoming existing internal fixation device, and provides brand-new a kind of fracture such as region acromialis, spine of scapula, clavicle far-end that are exclusively used in accompany or do not accompany the interior combined fixator needed for acromioclavicular joint dislocation.This holder is one piece of overall bone-fracture fixation steel plate, and this block plate is divided into spine of scapula portion, acromion portion, joint bridge part, clavicle distal portion four parts; Be applicable to the fracture companions such as region acromialis, spine of scapula, clavicle far-end or do not accompany the internal fixtion medical apparatus and instruments needed for acromioclavicular joint dislocation.Its shape designs according to the layout of region acromialis, spine of scapula, clavicle far-end and dissect physiology shape, and form has the internal fixtion of encircling of certain angle to connect to form as two, and can region acromialis, spine of scapula, clavicle far-end connection solid be fixed together simultaneously.The present invention is made up of memorial alloy, elasticity and intensity good, also arbitrarily can need to do the process such as bending, torsion, shearing according to fracture operation is fixing.In addition, the present invention is more convenient for moulding with installation, and stability strengthens greatly, postoperative without the need to extenal fixation, is convenient to shoulder joint early functional exercise, prevention of postoperative ankylosis.Application the present invention can improve curative effect and reduce complication, complicated operation simple operation, reduces operation risk, be worthy to be popularized.
The present invention is achieved through the following technical solutions:
1, a kind of spine of scapula portion, acromion portion and clavicle distal portion combined fixator, it is characterized in that: this holder is one piece of overall bone-fracture fixation steel plate, and this block plate is divided into spine of scapula portion (1), acromion portion (2), joint bridge part (3), clavicle distal portion (4) four parts.
Described spine of scapula portion (1) is the rear portion at bone-fracture fixation steel plate, and is respectively arranged with some groups in its both sides and encircles the wing (5).
Described acromion portion (2) is in the front end of spine of scapula portion (1), and is provided with some groups in its both sides and encircles pawl (6).
Described joint bridge part (3) is the middle part at bone-fracture fixation steel plate, and its body, radian match well mutually with the dissect physiology of shoulder clavicle joint.
Described clavicle distal portion (4) is the front end at bone-fracture fixation steel plate, and is provided with some groups in its both sides and encircles pawl (6).
Oval pressurization hole (7) is respectively provided with in the acromion portion (2) of bone-fracture fixation steel plate and clavicle distal portion (4).
In the spine of scapula portion (1) of bone-fracture fixation steel plate, acromion portion (2) and clavicle distal portion (4) three parts are provided with several screw lock holes (8) along steel plate center all respectively, are provided with the screw thread matched with lock screw respectively in each screw lock hole (8).
Also screw lock hole (8) is provided with encircling on the wing (5) of spine of scapula portion (1) both sides.
2, described bone-fracture fixation steel plate is by can the Nickel-titanium alloy for medical purpose of implant into body be prepared from.
Tool of the present invention has the following advantages and brings many beneficial effects:
What 1, the present invention formed is scientific and reasonable for structure, and during application, measure is unique, Be very effective.
2, the present invention take memorial alloy as material, and its structure is one piece of overall bone-fracture fixation steel plate, and this block plate is divided into scapula spine of scapula portion, scapula acromion portion, joint bridge part, clavicle distal portion four parts.Its shape designs according to shoulder blade ridge portion, acromion portion and clavicle distal portion dissect physiology shape, and form has the internal fixtion of encircling of certain angle to connect to form as two, can shoulder blade ridge portion, acromion portion is connected solid with clavicle distal portion and be fixed together simultaneously.With the steel plate that memorial alloy is made, elasticity and intensity good, also arbitrarily can fix needs according to fracture operation, can bend, reverse, the process such as shearing.The element particularly also having incorporated locking internal fixtion and fracture with memory alloy embrace fixator strengthens stable and firm, adopt marmem to make to be more convenient for moulding with installation, the more important thing is that associating memorial alloy is encircled fixing design and made fixing more firm, stability strengthens greatly.Assisting outward without the need to steel plate uses screw to reach firmly fixing, postoperative without the need to extenal fixation, is convenient to shoulder joint early functional exercise, prevention of postoperative ankylosis.
3, the present invention is the shape by being designed to shoulder blade ridge portion, acromion portion and clavicle distal portion to encircle arm, convenient operation, is easy to firmly encircle effectively prevent from getting loose.
4, in the present invention set in respect of female thread lock hole match with lock screw, locking is fixing firmly not to be occurred loosening afterwards.
5, in shoulder blade ridge of the present invention portion, the device system of the dissection locking internal fixtion of acromion portion and clavicle distal portion all designs according to the dissect physiology of human body, matching degree is high, without the need to bending repeatedly, easy to operation.
6, for the case of unstable fracture having the positions such as scapula comminuted fracture, clavicle distal portion, bone spine of scapula portion and scapula acromion portion, current internal fixation material is all failed a scapula each position internal fixtion and is regarded entirety simultaneously as and consider, usually needs auxiliaryly to use screw or Kirschner wire after using steel plate.Because the constant intensity of use steel plate male screw thread is obviously weaker than the intensity through steel plate screw.The present invention's design overcomes the shortcoming of current internal fixtion, the element simultaneously also having incorporated locking internal fixtion and fracture with memory alloy embrace fixator strengthens stable and firm, adopt marmem to make to be more convenient for moulding with installation, the more important thing is that associating memorial alloy is encircled fixing design and made fixing more firm, stability strengthens greatly.
7, device system material of the present invention is memorial alloy composition, and memorial alloy feature is low temperature flow, any bending of deliquescing during cooling, and it is strong fixing to recover warm rear recovery; Utilize memorial alloy feature, be convenient to moulding for each position rear installation, particularly shoulder blade ridge portion, acromion portion and clavicle distal portion to encircle arm opening installation, install rear immersion warm water rewarming and can make and encircle arm and firmly encircle and not easily get loose.
8, apply the present invention, needing fixing position to complete internal fixation operation by exposing, simplifying operation, reducing operation risk.
9, the titanium alloy material histocompatibility that the present invention is used is good, and reaction is few, can reduce infection rate.Meanwhile, the advantage of designed memorial alloy composition can be given full play to, complicated operation is become simple installation process, simplify operation, shorten operating time, greatly reduce operation risk, very easily to each clinical application, and there are larger practical value and wide application prospect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In Fig. 1: 1 is spine of scapula portion, 2 is acromion portions, 3 is joint bridge parts, 4 is clavicle distal portion, 5 be respectively equipped with in both sides, spine of scapula portion encircle the wing, 6 be provided with in both sides, acromion portion encircle pawl, 7 is that the ellipse that is respectively provided with in the acromion portion of bone-fracture fixation steel plate and clavicle distal portion slides pressurization hole, 8 be in the spine of scapula portion of bone-fracture fixation steel plate, acromion portion and clavicle distal portion hit exactly the screw lock hole be provided with.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described.
The present invention is one piece of overall bone-fracture fixation steel plate, and this block plate is divided into spine of scapula portion (1), acromion portion (2), joint bridge part (3), clavicle distal portion (4) four parts.
Fig. 1 is structural representation of the present invention.Wherein, 1 is spine of scapula portion (1), 2 is acromion portion (2), 3 is joint bridge part (3), 4 is clavicle distal portion (4), 5 be respectively equipped with in both sides, spine of scapula portion encircle the wing (5), 6 be provided with in both sides, acromion portion encircle pawl (6), 7 is ellipses slip pressurization hole (7) be respectively provided with in the acromion portion of bone-fracture fixation steel plate and clavicle distal portion, 8 is the spine of scapula portions at bone-fracture fixation steel plate, acromion portion and clavicle distal portion hit exactly the screw lock hole (8) be provided with, the screw thread matched with lock screw is provided with respectively in each screw lock hole (8).
Below with reference to accompanying drawing, clear, complete description is carried out to technical scheme of the present invention.Obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belong to the scope that the present invention protects.
Embodiment 1:
For spine of scapula portion, acromion portion and clavicle distal portion combined fixator, be one piece of overall bone-fracture fixation steel plate, and this block bone-fracture fixation steel plate is by can the Nickel-titanium alloy for medical purpose of implant into body be prepared from.Described marmem is can the Nickel-titanium alloy for medical purpose of implant into body, and the weight ratio of Ti: Ni is 1: 1.
Simultaneously, in preparation process, spine of scapula portion (1) is the rear portion at bone-fracture fixation steel plate, and be respectively arranged with some groups in its both sides and encircle the wing (5), and spine of scapula portion (1) and some groups of being provided with in its both sides encircle the wing (5), are prepare according to the dissect physiology shape at this position.
Acromion portion (2) is the front end in spine of scapula portion (1), and be provided with some groups in its both sides and encircle pawl (6), and acromion portion (2) and some groups of being provided with in its both sides encircle pawl (6), are also prepare according to the dissect physiology shape at this position.
Joint bridge part (3) is the middle part at bone-fracture fixation steel plate, and its body, radian match well mutually with the dissect physiology of shoulder clavicle joint.
Clavicle distal portion (4) is the front end at bone-fracture fixation steel plate, and be provided with some groups in its both sides and encircle pawl (6), and clavicle distal portion (4) and some groups of being provided with in its both sides encircle pawl (6), are prepare according to the dissect physiology shape at this position equally.
Oval pressurization hole (7) of sliding respectively is provided with in the acromion portion (2) of bone-fracture fixation steel plate and clavicle distal portion (4).
In the spine of scapula portion (1) of bone-fracture fixation steel plate, acromion portion (2) and clavicle distal portion (4) three parts are provided with several screw lock holes (8) along steel plate center all respectively, are provided with the screw thread matched with lock screw respectively in each screw lock hole (8).
Also screw lock hole (8) is provided with encircling on the wing (5) of spine of scapula portion (1) both sides.
Embodiment 2:
For spine of scapula portion, acromion portion and clavicle distal portion combined fixator, its physique structure is with embodiment 1.Wherein, product is that material is prepared from memorial alloy.And described marmem is can the Nickel-titanium alloy for medical purpose of implant into body, the weight ratio of Ti: Ni is 1: 1-1.2.
Embodiment 3:
For spine of scapula portion, acromion portion and clavicle distal portion combined fixator, its physique structure is with embodiment 2.Wherein, product is that material is prepared from memorial alloy.And described marmem is can the Nickel-titanium alloy for medical purpose of implant into body, the weight ratio of Ti: Ni is 1: 1-1.5.
Embodiment 4:
For spine of scapula portion, acromion portion and clavicle distal portion combined fixator, its physique structure is with embodiment 3.Product memory alloy material used be Ti: Ni weight ratio be 1: 1-1.2, also add the Cu of 0.2.
Embodiment 5:
For spine of scapula portion, acromion portion and clavicle distal portion combined fixator, its physique structure is with embodiment 4.Product shape memory alloy material used be Ti: Ni weight ratio be 1: 1-1.2, also add the Al of 0.1.
Embodiment 6:
For spine of scapula portion, acromion portion and clavicle distal portion combined fixator, its physique structure is with embodiment 5.Product shape memory alloy material used be Ti: Ni weight ratio be 1: 1-1.2, also add the Zn of 0.3.
In addition, various embodiment provided by the invention also can combine as required in any way mutually, the technical scheme obtained by this combination, also within the scope of the invention.
Meanwhile, those skilled in the art can carry out various change and modification to the present invention and not depart from characteristic sum scope of the present invention.Like this, if belong within the scope of the claims in the present invention and equivalent technologies thereof to these amendments of the present invention and modification, then the present invention also comprises these change and modification.
Application Example of the present invention:
The present invention is in application process, and as shown in drawings, the present invention is prepared from according to the layout at spine of scapula portion, acromion portion and clavicle distal portion three positions and physique structure, is to reset and temporary fixed with appearing fracture in Rhizoma Atractylodis Macrocephalae.Wherein, spine of scapula portion (1) shown in this internal fixation device, acromion portion (2), joint bridge part (3), clavicle distal portion (4), encircle the wing (5), encircle pawl (6), pressurization hole (7) and screw lock hole (8), the function at each position is: spine of scapula portion (1) and be located at its both sides encircle the wing (5) be labelled to shoulder blade ridge portion and fix this position fracture, acromion portion (2) and be located at some groups of its both sides and encircle pawl (6) and be labelled to and encircle acromion portion thus by this position fracture fixation, clavicle distal portion (4) and be located at some groups of its both sides and encircle pawl (6) and install and encircle clavicle far-end thus by this position fracture fixation, joint bridge part (3) its body, radian match well mutually with the dissect physiology of shoulder clavicle joint, and when monoblock steel plate is connected with shoulder blade ridge portion, acromion portion, clavicle distal portion, the bone wound surface at steel plate and three positions also coincide in succession.The each position of steel plate corresponding and above-mentioned shoulder blade ridge portion, acromion portion, clavicle distal portion are coincide and after fixing, tighten in screw pressurization hole (7) on steel plate with screw, and being screwed into steel plate screwing lock hole (8) with screw, on screw and steel plate, lock hole mutually locks and namely fracture firm stable is fixed by steel plate.
The present invention, in application process, also can need steel plate bending, can to reverse according to scapula profile and different fracture fixation, the process such as to wipe out, forms the distinctive solid in this position and fix entity.
In addition, the element that the present invention has also incorporated locking internal fixtion and fracture with memory alloy embrace fixator strengthens stable and firm, adopt marmem to make to be more convenient for moulding with installation, the more important thing is that associating memorial alloy is encircled fixing design and made fixing more firm, stability strengthens greatly.Assisting outward without the need to steel plate uses screw to reach firmly fixing, postoperative without the need to extenal fixation, is convenient to shoulder joint early functional exercise, prevention of postoperative ankylosis.Titanium alloy material histocompatibility is good, and reaction is few, can reduce infection rate.Complicated operation simple operation, reduce operation risk, for various processus coracoideus portion, position fracture operation internal fixtion such as shoulder bone shoulder blade ridge portion and clavicle distal portion etc., be worthy to be popularized.
Effect embodiment of the present invention
Application Example 1, Lee, Longlin Area, Guangxi Province county, peasant, man, 34 years old, because high falling causes right region acromialis, distal clavicle fracture, expectant treatment can not recover, and dissects the apparatus of locking compress internal fixtion, Operation internal fixtion through region acromialis memorial alloy of the present invention on probation.Recovery from illness in postoperative 3 weeks, outward appearance is obviously improved.Follow-up After 1 year, check union of fracture, gets loose without internal fixtion and shoulder joint function recovers normal.
Application Example 2, land, people from XiLin, Guangxi, female, 33 years old, because traffic accident causes left spine of scapula, clavicle far-end acromioclavicular joint dislocation, difficulty of taking care of oneself, dissects the apparatus of locking compress internal fixtion through region acromialis memorial alloy of the present invention on probation, operative reduction is corrected and is implanted internal fixtion, fully recover after 1 first quarter moon, life can take care of oneself, and can recover normal work after 8 months.Follow-up After 1 year, check union of fracture, gets loose without internal fixtion and shoulder joint function recovers normal.
Application Example 3, Zhu, Xingyi, Guizhou Province state company personnel, man, 36 years old, because traffic accident causes left region acromialis, spine of scapula, distal clavicle fracture acromioclavicular joint dislocation, dissect the apparatus of locking compress internal fixtion through region acromialis memorial alloy of the present invention on probation, operative reduction is corrected and is implanted internal fixtion, fully recovers after 2 months, life can take care of oneself, and can recover normal work after half a year.Follow-up After 1 year half, check fracture heals completely, gets loose and shoulder joint function recovers normally without internal fixtion.
Claims (2)
1. a spine of scapula portion, acromion portion and clavicle distal portion combined fixator, it is characterized in that: this holder is one piece of overall bone-fracture fixation steel plate, and this block plate is divided into spine of scapula portion (1), acromion portion (2), joint bridge part (3), clavicle distal portion (4) four parts;
Described spine of scapula portion (1) is the rear portion at bone-fracture fixation steel plate, and is respectively arranged with some groups in its both sides and encircles the wing (5);
Described acromion portion (2) is in the front end of spine of scapula portion (1), and is provided with some groups in its both sides and encircles pawl (6);
Described joint bridge part (3) is the middle part at bone-fracture fixation steel plate, and its body, radian match well mutually with the dissect physiology of shoulder clavicle joint;
Described clavicle distal portion (4) is the front end at bone-fracture fixation steel plate, and is provided with some groups in its both sides and encircles pawl (6);
Oval pressurization hole (7) is respectively provided with in the acromion portion (2) of bone-fracture fixation steel plate and clavicle distal portion (4);
In the spine of scapula portion (1) of bone-fracture fixation steel plate, acromion portion (2) and clavicle distal portion (4) three parts are provided with several screw lock holes (8) along steel plate center all respectively, are provided with the screw thread matched with lock screw respectively in each screw lock hole (8);
Also screw lock hole (8) is provided with encircling on the wing (5) of spine of scapula portion (1) both sides.
2. a kind of spine of scapula portion according to claim 1, acromion portion and clavicle distal portion combined fixator, is characterized in that: described bone-fracture fixation steel plate is by can the Nickel-titanium alloy for medical purpose of implant into body be prepared from.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410670695.4A CN104306055B (en) | 2014-11-21 | 2014-11-21 | A kind of spine of scapula portion, acromion portion and clavicle distal portion combined fixator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410670695.4A CN104306055B (en) | 2014-11-21 | 2014-11-21 | A kind of spine of scapula portion, acromion portion and clavicle distal portion combined fixator |
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| CN104306055A true CN104306055A (en) | 2015-01-28 |
| CN104306055B CN104306055B (en) | 2016-10-12 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104688318A (en) * | 2015-03-11 | 2015-06-10 | 张建林 | Locking compression steel plate provided with door shaft and used for treating comminuted fracture of thighbone and tibia shaft |
| CN107518939A (en) * | 2015-12-24 | 2017-12-29 | 李峰 | A kind of memory alloy plate osteosynthesis |
| CN108175494A (en) * | 2018-01-24 | 2018-06-19 | 史会明 | A kind of shoulder blade anatomical type locking plate |
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|---|---|
| CN104306055B (en) | 2016-10-12 |
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