CN205515047U - Anti - formula shoulder joint glenoid cavity false body of putting - Google Patents

Anti - formula shoulder joint glenoid cavity false body of putting Download PDF

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Publication number
CN205515047U
CN205515047U CN201620228624.3U CN201620228624U CN205515047U CN 205515047 U CN205515047 U CN 205515047U CN 201620228624 U CN201620228624 U CN 201620228624U CN 205515047 U CN205515047 U CN 205515047U
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CN
China
Prior art keywords
glenoid cavity
fixture
lock
broad
inverted
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Expired - Fee Related
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CN201620228624.3U
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Chinese (zh)
Inventor
柴益民
陈道运
何耀华
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Shanghai Sixth Peoples Hospital
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Shanghai Sixth Peoples Hospital
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Priority to CN201620228624.3U priority Critical patent/CN205515047U/en
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Abstract

The utility model discloses an anti - formula shoulder joint glenoid cavity false body of putting, include: glenoid cavity bulb, glenoid cavity base and glenoid cavity mounting, the one end of glenoid cavity base with the glenoid cavity bulb is connected, the other end with the glenoid cavity mounting is connected, the glenoid cavity mounting includes: upper locking mounting, centre -lock mounting and the next locking mounting, the centre -lock mounting is located the central point of glenoid cavity mounting puts, upper locking mounting and the next locking mounting lie in respectively the both sides of centre -lock mounting form 150 degrees. The utility model discloses the glenoid cavity false body is being avoided shoulder blade striking, is being reduced false body shear stress, is all being had great promotion in the aspect of increasing false body stability, is worth using widely in shoulder joint replacement field.

Description

A kind of inverted shouldejoint broad-mouthed receptacle for holding liquid prosthese
Technical field
This utility model relates to medical artificial joint system, particularly relates to a kind of inverted shouldejoint broad-mouthed receptacle for holding liquid Prosthese.
Background technology
Caput humeri necrosis, proximal humerus serious splintered fracture, Glenohumeral joint inflammation are common clinicals, shoulder Joint replacement is ultimate treatment means.When this type of is sick and wounded be associated with rotator cuff injury or replacement after need to carry out When overhauling, half traditional shoulder or full shoulder joint displacement cannot meet the demand for the treatment of.Can only select clinically Inverted shoulder joint system is performed the operation or overhauls.Due to anatomical reason, glenoid cavity small volume, And this type of patient has osteoporosis, bone mass to decline or with Cranial defect in various degree, glenoid cavity more Prosthese bears again the effect of shear stress, and prosthetic loosening, unstability easily occurs in Post operation.Existing market is existing The inverted shoulder joint prosthesis system having, postoperative the most easily generation mortar cup clashes into scapula lower edge, enters one Step aggravation glenoid cavity side prosthesis loosens, and causes operative failure.
Increasing fixing screw number to reaching increase glenoid cavity stability in glenoid cavity is the most common hands Art method, but glenoid cavity finite volume, and the sclerotin declining bone mass, simple increasing fixes screw number Amount is unable to reach the effect increasing stability.Additionally change the collodiaphyseal angle of mortar cup prosthesis or increase prosthese bias Away from being also to reduce scapula to clash into and the thinking of prosthetic loosening, but actual effect is little.
Utility model content
For existing inverted shoulder joint displacement system exist be easily generated scapula clash into and prosthetic loosening lack Falling into, main purpose of the present utility model is: provide a kind of inverted shouldejoint broad-mouthed receptacle for holding liquid prosthese, to solve The problem that glenoid prostheses loosens, it is to avoid postoperative generation scapula clashes into, and makes extend the service life of prosthese, Minimizing is overhauled.
For solving above-mentioned technical problem, the technical solution of the utility model is:
This utility model provides a kind of inverted shouldejoint broad-mouthed receptacle for holding liquid prosthese, including: glenoid cavity bulb, pass Joint broad-mouthed receptacle for holding liquid base and glenoid cavity fixture;One end of described glenoid cavity base is connected with described glenoid cavity bulb, The other end is connected with described glenoid cavity fixture;Described glenoid cavity fixture includes: upper locking fixture, Centre-lock fixture and the next locking fixture;It is solid that described centre-lock fixture is positioned at described glenoid cavity The center of locking member, described upper locking fixture and the next locking fixture lay respectively at described center Lock the both sides of fixture and form 150 degree.
Wherein, in above-mentioned inverted shouldejoint broad-mouthed receptacle for holding liquid prosthese, described upper locking fixture is beak Prominent lock screw, described centre-lock fixture is acromion substrate lock screw, and described the next locking is fixing Part is scapula lower edge lock screw.
Wherein, in above-mentioned inverted shouldejoint broad-mouthed receptacle for holding liquid prosthese, described processus coracoideus lock screw is diameter 3.5mm lock screw, described scapula lower edge lock screw is diameter 3.5mm lock screw, described acromion Substrate lock screw is diameter 4.5mm lock screw.
Wherein, in above-mentioned inverted shouldejoint broad-mouthed receptacle for holding liquid prosthese, described glenoid cavity base is provided with point The most corresponding described upper locking fixture, centre-lock fixture and the upper locking of the next locking fixture Fixing hole, centre-lock fixing hole and the next locking fixing hole.
Wherein, in above-mentioned inverted shouldejoint broad-mouthed receptacle for holding liquid prosthese, the lock of described upper locking fixing hole Determine angle be coronalplane upwards in 35-45 degree, lose shape towards front 40-50 degree, described the next locking is fixing The locking angle in hole is coronalplane inside 45-55 degree, loses shape towards rear 15-25 degree, described centre-lock The locking angle of fixing hole is vertical with described glenoid cavity base.
Wherein, in above-mentioned inverted shouldejoint broad-mouthed receptacle for holding liquid prosthese, described glenoid cavity bulb-type becomes arc Shape, radian is 210-270 degree.
Wherein, in above-mentioned inverted shouldejoint broad-mouthed receptacle for holding liquid prosthese, described glenoid cavity base is formed as round Column.
Wherein, in above-mentioned inverted shouldejoint broad-mouthed receptacle for holding liquid prosthese, described glenoid cavity bulb and glenoid cavity Base forms as one formula structure.
Have employed technique scheme, the beneficial effects of the utility model are:
In glenoid cavity bulb design aspect, traditional glenoid cavity bulb many employings semi-circular design, this practicality Knuckle broad-mouthed receptacle for holding liquid bulb uses big cambered design, adds the shock space of mortar cup and scapula, it is to avoid shoulder Shoulder blade clashes into.It addition, under equal conditions, the glenoid cavity bulb of selection of small diameter is obtained with same The prosthese eccentric throw of sample, alleviates glenoid shear stress.This utility model glenoid cavity base and joint Broad-mouthed receptacle for holding liquid is fixed screw and is preferably fixed optimum position and the angle of screw according to glenoid anatomical features, in conjunction with lock Determine the angle stability of screw, make glenoid prostheses obtain more stable property and fix.
Therefore, this utility model glenoid prostheses avoid scapula clash into, reduce prosthese shear stress, Increase prosthese stability aspect all to have a distinct increment, be worth promoting the use of in shoulder joint displacement field.
Accompanying drawing explanation
Fig. 1 is the structural representation of the inverted shouldejoint broad-mouthed receptacle for holding liquid prosthese of this utility model embodiment;
Fig. 2 is the structural representation of glenoid cavity base in Fig. 1;
Wherein, 1 is glenoid cavity bulb;2 is glenoid cavity base;3 is glenoid cavity fixture;4 is upper Locking fixture;Fixture is locked centered by 5;6 is the next locking fixture;7 fix for upper locking Hole;Fixing hole is locked centered by 8;9 is the next locking fixing hole.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, make to retouch the most in detail to detailed description of the invention of the present utility model State.Following example are used for illustrating this utility model, but can not be used for limiting scope of the present utility model.
Fig. 1 is the structural representation of the inverted shouldejoint broad-mouthed receptacle for holding liquid prosthese of this utility model embodiment;Fig. 2 For the structural representation of glenoid cavity base in Fig. 1.
As shown in Figure 1 to Figure 2, the inverted shouldejoint broad-mouthed receptacle for holding liquid prosthese of this utility model embodiment includes: Glenoid cavity bulb 1, glenoid cavity base 2 and glenoid cavity fixture 3, one end of glenoid cavity base 2 and joint Broad-mouthed receptacle for holding liquid bulb 1 connects, and the other end of glenoid cavity base 2 is connected with glenoid cavity fixture 3.
Glenoid cavity bulb 1 uses big cambered design, and radian is 210-270 degree, preferably 270 degree, relatively Traditional glenoid cavity bulb prosthese is compared, and on the one hand adds the eccentric throw of prosthese, increases mortar cup and shoulder The shock space of shoulder blade, thus decrease the possibility that scapula clashes into, on the other hand, use small diameter Bulb prosthese be obtained with equal prosthese eccentric throw, the shear stress of glenoid prostheses reduces, and subtracts The possibility that few glenoid prostheses loosens.Glenoid cavity bulb 1 and glenoid cavity base 2 in the present embodiment are formed For integral type structure.
Glenoid cavity fixture 3 includes: upper locking fixture 4, centre-lock fixture 5 and the next locking Fixture 6.Wherein, centre-lock fixture 5 is positioned at the center of glenoid cavity fixture 3, uplock Determine fixture 4 and the next locking fixture 6 lays respectively at the both sides of centre-lock fixture 5 and forms 150 Degree.Glenoid cavity base 2 is formed as cylindric, and this glenoid cavity base 2 is provided with corresponding upper locking respectively Fixture 4, centre-lock fixture 5 and the next the locking upper locking fixing hole 7 of fixture 6, center Locking fixing hole 8 and the next locking fixing hole 9.Upper locking fixing hole 7 is positioned at 12 o'clock position, for Diameter 3.5mm screw lock hole, locking direction coronalplane, upwards in 35-45 degree, preferably 40 degree, loses Shape towards front 40-50 degree, preferably 45 degree;Screw hole centered by centre-lock fixing hole 8, for Diameter 4.5mm screw lock hole, locking direction is vertical with base;The next locking fixing hole 9 is positioned at 7 points Clock position, for diameter 3.5mm screw lock hole, locking direction coronalplane inside 45-55 degree, is preferably 50 degree, lose shape towards rear 15-25 degree, preferably 20 degree.Upper locking fixture 4 locks spiral shell for processus coracoideus Nail, this processus coracoideus lock screw is diameter 3.5mm lock screw, screw hole upper with glenoid cavity base Connect, fixed-direction processus coracoideus basilar part;Centre-lock fixture 5 is acromion substrate lock screw, this shoulder Substrate lock screw in peak is diameter 4.5mm lock screw, connects with glenoid cavity base centre-lock screw hole, Fixed-direction is acromion basilar part;The next locking fixture 6 is scapula lower edge lock screw, this omoplate Bone lower edge lock screw is diameter 3.5mm lock screw, connects with glenoid cavity base bottom screw hole, Fixed-direction is scapula lower edge.
The locking screw of glenoid cavity base 2 and glenoid cavity fixture 3 in the present embodiment, use simple upper, In, lower three rows fix, it is to avoid too much glenoid cavity structure is damaged by screw.On fixed position and root According to glenoid anatomical features, it is respectively fixed to the bones such as processus coracoideus substrate, scapula substrate and scapula lower edge The position that quality is higher, adds fixing intensity.In combination with the angle Stabilization of lock screw, enter One step enhances the stability that glenoid prostheses is fixing, the osteoporotic case of similarly suitable merging, expands The surgical indication of joint replacement.
This utility model glenoid prostheses is avoiding scapula to clash into, and reduces glenoid cavity shear stress, increases Glenoid prostheses stability maintenance and prolongation aspect in this service life false improve a lot, and are worth inverting Promote in formula shoulder joint displacement field and use.
This utility model is not limited to above-mentioned specific embodiment, and those of ordinary skill in the art is from upper State design to set out, without performing creative labour, done all conversion, all fall within this utility model Protection domain within.

Claims (8)

1. an inverted shouldejoint broad-mouthed receptacle for holding liquid prosthese, it is characterised in that including: glenoid cavity bulb (1), Glenoid cavity base (2) and glenoid cavity fixture (3);One end of described glenoid cavity base (2) is with described Glenoid cavity bulb (1) connects, and the other end is connected with described glenoid cavity fixture (3);Described glenoid cavity Fixture (3) including: upper locking fixture (4), centre-lock fixture (5) and the next locking Fixture (6);Described centre-lock fixture (5) is positioned at the center of described glenoid cavity fixture (3) Position, described upper locking fixture (4) and the next locking fixture (6) lay respectively at described center Lock the both sides of fixture (5) and form 150 degree.
Inverted shouldejoint broad-mouthed receptacle for holding liquid prosthese the most according to claim 1, it is characterised in that described Upper locking fixture (4) is processus coracoideus lock screw, and described centre-lock fixture (5) is acromion base End lock screw, described the next locking fixture (6) is scapula lower edge lock screw.
Inverted shouldejoint broad-mouthed receptacle for holding liquid prosthese the most according to claim 2, it is characterised in that described Processus coracoideus lock screw is diameter 3.5mm lock screw, and described scapula lower edge lock screw is diameter 3.5mm Lock screw, described acromion substrate lock screw is diameter 4.5mm lock screw.
Inverted shouldejoint broad-mouthed receptacle for holding liquid prosthese the most according to claim 1, it is characterised in that described Glenoid cavity base (2) is provided with the most corresponding described upper locking fixture (4), centre-lock fixture And the upper locking fixing hole (7) of the next locking fixture (6), centre-lock fixing hole (8) (5) With bottom locking fixing hole (9).
Inverted shouldejoint broad-mouthed receptacle for holding liquid prosthese the most according to claim 4, it is characterised in that described The locking angle of upper locking fixing hole (7) be coronalplane upwards in 35-45 degree, lose shape towards front 40-50 Degree, the locking angle of described the next locking fixing hole (9) is coronalplane inside 45-55 degree, lose shape towards Rear 15-25 degree, the locking angle of described centre-lock fixing hole (8) and described glenoid cavity base (2) Vertically.
Inverted shouldejoint broad-mouthed receptacle for holding liquid prosthese the most according to claim 1, it is characterised in that described Glenoid cavity bulb (1) is formed as arcuation, and radian is 210-270 degree.
Inverted shouldejoint broad-mouthed receptacle for holding liquid prosthese the most according to claim 1, it is characterised in that described Glenoid cavity base (2) is formed as cylindric.
Inverted shouldejoint broad-mouthed receptacle for holding liquid prosthese the most according to any one of claim 1 to 7, it is special Levying and be, described glenoid cavity bulb (1) and glenoid cavity base (2) form as one formula structure.
CN201620228624.3U 2016-03-23 2016-03-23 Anti - formula shoulder joint glenoid cavity false body of putting Expired - Fee Related CN205515047U (en)

Priority Applications (1)

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CN201620228624.3U CN205515047U (en) 2016-03-23 2016-03-23 Anti - formula shoulder joint glenoid cavity false body of putting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620228624.3U CN205515047U (en) 2016-03-23 2016-03-23 Anti - formula shoulder joint glenoid cavity false body of putting

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105640674A (en) * 2016-03-23 2016-06-08 上海市第六人民医院 Inverted type glenoid cavity prosthesis of shoulder joint
CN113332006A (en) * 2021-06-24 2021-09-03 北京爱康宜诚医疗器材有限公司 Shoulder joint prosthesis

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105640674A (en) * 2016-03-23 2016-06-08 上海市第六人民医院 Inverted type glenoid cavity prosthesis of shoulder joint
CN113332006A (en) * 2021-06-24 2021-09-03 北京爱康宜诚医疗器材有限公司 Shoulder joint prosthesis

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160831

CF01 Termination of patent right due to non-payment of annual fee