CN204364107U - A kind of processus coracoideus district memorial alloy dissects the apparatus of locking internal fixtion - Google Patents
A kind of processus coracoideus district memorial alloy dissects the apparatus of locking internal fixtion Download PDFInfo
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- CN204364107U CN204364107U CN201420703336.XU CN201420703336U CN204364107U CN 204364107 U CN204364107 U CN 204364107U CN 201420703336 U CN201420703336 U CN 201420703336U CN 204364107 U CN204364107 U CN 204364107U
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Abstract
Processus coracoideus district memorial alloy dissects an apparatus for locking internal fixtion, is be that material is made with memorial alloy.Meanwhile, this apparatus is one piece of overall bone-fracture fixation steel plate, and is divided into scapula spine of scapula portion, scapula acromion portion, joint bridge part, four, processus coracoideus portion part; Be applicable to processus coracoideus portion, shoulder blade ridge portion and the internal fixtion medical apparatus and instruments needed for acromion portion fracture.Its shape designs according to processus coracoideus portion, shoulder blade ridge portion and acromion portion dissect physiology shape, can processus coracoideus portion, bone spine of scapula portion is connected solid with scapula acromion portion and be fixed together simultaneously.This utility model 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, this utility model is more convenient for moulding with installation, postoperative without the need to extenal fixation, is convenient to shoulder joint early functional exercise, prevention of postoperative ankylosis.Application this utility model can improve curative effect and reduce complication, complicated operation simple operation, reduces operation risk, is worthy to be popularized.
Description
Technical field
This utility model belongs to medical instruments field, be specifically related to a kind of with memorial alloy be material make for the internal fixation device during fracture of the position such as bone spine of scapula portion, scapula acromion portion and processus coracoideus portion.
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 anatomy relationship of processus coracoideus complexity makes its effect at shoulder particularly important.Previously there is the sequela such as the situation of shoulder joint shakiness and upper extremity function generation obstacle in expectant treatment again after having certain probability to cause union of fracture.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., there is comparatively multi-method and arguement at present clinically in fixing for fracture of coracoid process of scapula.Want to obtain good functional rehabilitation, except for except surgical indication, more and more tend to adopt operative treatment, object is all recover the stability of processus coracoideus.And be the key of performing the operation to the research of processus coracoideus anatomical structure.It is not only a dissection identification point of shoulder, plays very important effect in shoulder diseases.It rises near scapula exterior angle, there is the anatomical structure of complexity around: be positioned at 1/4 handing-over below coracoclavicular ligament outside clavicle coupled, processus coracoideus has coracobrachialis, coracoradialis and pectoralis minor to adhere to, and coracoacromial ligament medial extremity and coracohumeral ligament are attached to the lateral border of processus coracoideus.It is the important feature forming shoulder joints stability and function.Processus coracoideus is called as shoulder anterior " beacon ", has following 3 basic functions: 1. numerous muscle (or tendon) and ligament depend on a little, 2. maintain the stability of shoulder joint front upper part, 3. form that shoulder is upper suspends the indispensable part of complex in midair.But it is less to the basic research of processus coracoideus at present, from bibliographical information, Feng irrigates monarch etc. and carries out anatomical Observation to 27 adult's processus coracoideuses respectively, slide gauge and the steel ruler such as Yang Huifeng carry out anatomic measurement to 20 routine adult normal's shoulder joint specimen coracohumeral ligaments, because of needs obduction, number of cases is few.It only to measurement and the assessment clinical meaning of processus coracoideus or coracohumeral ligament, lacks systematic study to processus coracoideus district.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 the fracture of scapula especially positive operative treatment of some serious displacement type fracture of scapula row, and 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; 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, can solve some problems of fracture of scapula, but the shortcoming existed has: apparatus structure is too simple, failing other positions close with fracture of scapula position locks mutually, 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
In order to overcome the deficiency of existing internal fixation device, this utility model provide brand-new a kind of with memorial alloy be material make for the internal fixation device during position fracture such as bone spine of scapula portion, scapula acromion portion and processus coracoideus portion.This apparatus 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, four, processus coracoideus portion part; Be applicable to processus coracoideus portion, shoulder blade ridge portion and the internal fixtion medical apparatus and instruments needed for acromion portion fracture.Its shape designs according to processus coracoideus portion, shoulder blade ridge portion and acromion portion dissect physiology shape, and can processus coracoideus portion, bone spine of scapula portion are connected solid with scapula acromion portion and be fixed together simultaneously.This utility model 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, this utility model 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 this utility model can reduce infection rate, complicated operation simple operation, reduces operation risk, is worthy to be popularized.
This utility model is achieved through the following technical solutions:
1, a kind of processus coracoideus district memorial alloy dissects the apparatus of locking internal fixtion, be in technical scheme: this apparatus is one piece of overall bone-fracture fixation steel plate, and this block plate is divided into scapula spine of scapula portion (1), scapula acromion portion (2), joint bridge part (3), (4) four, processus coracoideus portion part.
Described scapula spine of scapula portion (1) is the bottom at bone-fracture fixation steel plate, and its body, radian conform to the dissect physiology shape at position;
Described scapula acromion portion (2) is on the top in scapula spine of scapula portion (1), and is provided with some groups in its both sides and encircles pawl (5);
Described joint bridge part (3) is the left end in scapula spine of scapula portion (1), the body of joint bridge part (3), radian and the dissect physiology mating shapes at its position between spine of scapula and processus coracoideus;
Described processus coracoideus portion (4) is in the front end of joint bridge part (3), and is provided with some groups in its both sides and encircles pawl (5);
Scapula spine of scapula portion (1) is provided with an oval screw secured adjusted hole (6);
Be provided with several screw lock holes (7) in the middle of monoblock bone-fracture fixation steel plate, screw lock hole is provided with screw thread in (7).
This utility model tool has the following advantages and brings many beneficial effects:
What 1, this utility model formed is scientific and reasonable for structure, and during application, measure is unique, Be very effective.
2, this utility model 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, four, processus coracoideus portion part.Its shape designs according to processus coracoideus portion, shoulder blade ridge portion and acromion portion dissect physiology shape, can processus coracoideus portion, bone spine of scapula portion is connected solid with scapula acromion 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, this utility model is the shape by being designed to processus coracoideus portion, scapula acromion portion to encircle arm, convenient operation, is easy to firmly encircle effectively prevent from getting loose.
4, on this utility model set in respect of female thread lock hole match with lock screw, locking is fixing firmly not to be occurred loosening afterwards.
5, in processus coracoideus portion of the present utility model, shoulder bone shoulder blade ridge portion, scapula acromion portion dissection locking internal fixtion device system all design 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, processus coracoideus 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.This utility model 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 utility model 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 processus coracoideus portion, scapula acromion 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 this utility model, needing fixing position to complete internal fixation operation by exposing, simplifying operation, reducing operation risk.
9, the titanium alloy material histocompatibility that this utility model 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.
10, this utility model is expected to start a kind of safe, easy, effective, practical and be easy to the new method applied, for this position internal fixation operation treatment provides new approaches and strategy.By save medical resources, reduce medical treatment cost, improve curative effect and obtain patient's favor.There is great practical value and wide application prospect, great Social and economic benef@can be obtained.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In Fig. 1: 1 is scapula spine of scapula portion, 2 is scapula acromion portions, 3 is joint bridge parts, 4 is processus coracoideus portions, 5 is that some groups of being provided with in both sides, scapula acromion portion encircle pawl, 6 is the oval screw secured adjusted holes of of being provided with in scapula spine of scapula portion, and 7 is several screw lock holes be provided with in the middle of monoblock bone-fracture fixation steel plate.
Detailed description of the invention
Below in conjunction with drawings and Examples, this utility model is further illustrated.
This utility model is one piece of overall bone-fracture fixation steel plate, and this block plate is divided into scapula spine of scapula portion (1), scapula acromion portion (2), joint bridge part (3), (4) four, processus coracoideus portion incorporating aspects to form.
Shown in Fig. 1 is structural representation of the present utility model.Wherein, 1 is scapula spine of scapula portion (1), 2 is scapula acromion portions (2), 3 is joint bridge part (3), 4 is processus coracoideus portion (4), 5 is that some groups of being provided with in both sides, scapula acromion portion encircle pawl (5), 6 is the oval screw secured adjusted holes (6) of of being provided with in scapula spine of scapula portion, and 7 is several screw lock holes (7) be provided with in the middle of monoblock bone-fracture fixation steel plate.
Below with reference to accompanying drawing, clear, complete description is carried out to the technical solution of the utility model.Obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in this utility model, 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 this utility model is protected.
Embodiment 1:
Dissecting the apparatus of locking internal fixtion for processus coracoideus district memorial alloy, is 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.
Meanwhile, in preparation process, scapula spine of scapula portion (1) is the bottom at bone-fracture fixation steel plate, and its body, radian conform to the anatomical shape at position.
Scapula acromion portion (2) is on the top in scapula spine of scapula portion (1), and is provided with some groups in its both sides and encircles pawl (5).And scapula acromion portion (2) and some groups of being provided with in its both sides encircle pawl (5), are prepare according to the dissect physiology shape at this position.
Joint bridge part (3) is the left end in scapula spine of scapula portion (1), and body, the radian of joint bridge part (3) match well mutually with the dissect physiology at its position between spine of scapula and processus coracoideus.
Processus coracoideus portion (4) is in the front end of joint bridge part (3), and is provided with some groups in its both sides and encircles pawl (5).And processus coracoideus portion (4) and some groups of being provided with in its both sides encircle pawl (5), are also prepare according to the dissect physiology shape at this position.
Scapula spine of scapula portion (1) is provided with an oval screw secured adjusted hole (6).
Be provided with several screw lock holes (7) in the middle of monoblock bone-fracture fixation steel plate, screw lock hole is provided with screw thread in (7).
Embodiment 2:
Dissect the apparatus of locking internal fixtion for processus coracoideus district memorial alloy, 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:
Dissect the apparatus of locking internal fixtion for processus coracoideus district memorial alloy, 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:
Dissect the apparatus of locking internal fixtion for processus coracoideus district memorial alloy, 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:
Dissect the apparatus of locking internal fixtion for processus coracoideus district memorial alloy, 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:
Dissect the apparatus of locking internal fixtion for processus coracoideus district memorial alloy, 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, the various embodiments that this utility model provides also can combine as required in any way mutually, the technical scheme obtained by this combination, also in scope of the present utility model.
Meanwhile, those skilled in the art can carry out various change and modification to this utility model and not depart from characteristic sum scope of the present utility model.Like this, if belong within the scope of this utility model claim and equivalent technologies thereof to these amendments of the present utility model and modification, then this utility model also comprises these change and modification.
This utility model Application Example:
This utility model is in application process, and as shown in drawings, this utility model is prepared from according to the layout physique structure at the shoulder blade ridge portion in scapula, acromion portion, beak teat three positions, be with appear in Rhizoma Atractylodis Macrocephalae fracture reset and temporary fixed.Wherein, scapula spine of scapula portion (1) shown in this internal fixation device, scapula acromion portion (2), joint bridge part (3), processus coracoideus portion (4), encircle pawl (5), screw secured adjusted hole (6) and screw lock hole (7), the function at each position is: scapula spine of scapula portion (1) is labelled to shoulder blade ridge portion and fixes this position fracture, scapula acromion portion (2) and be located at some groups of its both sides and encircle pawl (5) and be labelled to and encircle acromion portion thus by this position fracture fixation, processus coracoideus portion (4) and be located at some groups of its both sides and encircle pawl (5) and be labelled to and encircle beak teat thus by this position fracture fixation, body, the radian of joint bridge part (3) match well mutually with the dissect physiology shape at its position between spine of scapula and processus coracoideus, and when monoblock steel plate is connected with shoulder blade ridge portion, acromion portion, beak teat, 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, beak teat coincide and after fixing, tighten in the screw secured adjusted hole (6) on steel plate with screw, and be screwed into steel plate screwing lock hole (7) with screw, monoblock steel plate and bone can be locked mutually.
This utility model, 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 this utility model 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 scapula acromion portion etc., be worthy to be popularized.
Claims (1)
1. a processus coracoideus district memorial alloy dissects the apparatus locking internal fixtion, it is characterized in that: this apparatus is one piece of overall bone-fracture fixation steel plate, and this block plate is divided into scapula spine of scapula portion (1), scapula acromion portion (2), joint bridge part (3), (4) four, processus coracoideus portion part;
Described scapula spine of scapula portion (1) is the bottom at bone-fracture fixation steel plate, and its body, radian conform to the dissect physiology shape at position;
Described scapula acromion portion (2) is on the top in scapula spine of scapula portion (1), and is provided with some groups in its both sides and encircles pawl (5);
Described joint bridge part (3) is the left end in scapula spine of scapula portion (1), the body of joint bridge part (3), radian and the dissect physiology mating shapes at its position between spine of scapula and processus coracoideus;
Described processus coracoideus portion (4) is in the front end of joint bridge part (3), and is provided with some groups in its both sides and encircles pawl (5);
Scapula spine of scapula portion (1) is provided with an oval screw secured adjusted hole (6);
Be provided with several screw lock holes (7) in the middle of monoblock bone-fracture fixation steel plate, screw lock hole is provided with screw thread in (7).
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104306059A (en) * | 2014-11-21 | 2015-01-28 | 陆晓生 | Memory alloy internal fixing instrument for anatomy locking of scapula coracoid area |
| CN106667568A (en) * | 2016-12-31 | 2017-05-17 | 苏州市康力骨科器械有限公司 | Dissection type shoulder blade locking steel plate |
| CN113367855A (en) * | 2021-05-27 | 2021-09-10 | 北京力达康科技有限公司 | Scapula prosthesis |
-
2014
- 2014-11-21 CN CN201420703336.XU patent/CN204364107U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104306059A (en) * | 2014-11-21 | 2015-01-28 | 陆晓生 | Memory alloy internal fixing instrument for anatomy locking of scapula coracoid area |
| CN106667568A (en) * | 2016-12-31 | 2017-05-17 | 苏州市康力骨科器械有限公司 | Dissection type shoulder blade locking steel plate |
| CN113367855A (en) * | 2021-05-27 | 2021-09-10 | 北京力达康科技有限公司 | Scapula prosthesis |
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