CN109646152A - Shoulder joint prosthesis - Google Patents
Shoulder joint prosthesis Download PDFInfo
- Publication number
- CN109646152A CN109646152A CN201811641428.9A CN201811641428A CN109646152A CN 109646152 A CN109646152 A CN 109646152A CN 201811641428 A CN201811641428 A CN 201811641428A CN 109646152 A CN109646152 A CN 109646152A
- Authority
- CN
- China
- Prior art keywords
- humerus
- shoulder joint
- column
- humeral shaft
- bulb
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 210000000323 shoulder joint Anatomy 0.000 title claims abstract description 70
- 210000002758 humerus Anatomy 0.000 claims abstract description 130
- 238000003825 pressing Methods 0.000 claims abstract description 29
- 238000003780 insertion Methods 0.000 claims abstract description 24
- 230000037431 insertion Effects 0.000 claims abstract description 24
- 210000001519 tissue Anatomy 0.000 claims abstract description 13
- 238000009958 sewing Methods 0.000 claims abstract description 12
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000011247 coating layer Substances 0.000 claims description 2
- 229910052588 hydroxylapatite Inorganic materials 0.000 claims description 2
- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 claims description 2
- 210000004872 soft tissue Anatomy 0.000 abstract description 3
- 230000008467 tissue growth Effects 0.000 abstract description 3
- 230000002980 postoperative effect Effects 0.000 description 18
- 230000000694 effects Effects 0.000 description 10
- 210000000988 bone and bone Anatomy 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 238000006073 displacement reaction Methods 0.000 description 6
- 210000003205 muscle Anatomy 0.000 description 6
- 210000002659 acromion Anatomy 0.000 description 5
- 230000008407 joint function Effects 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- 210000003323 beak Anatomy 0.000 description 4
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- 206010005949 Bone cancer Diseases 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000002513 implantation Methods 0.000 description 3
- 210000003041 ligament Anatomy 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 206010028980 Neoplasm Diseases 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 2
- 239000002639 bone cement Substances 0.000 description 2
- 210000000852 deltoid muscle Anatomy 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
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- 210000000062 pectoralis major Anatomy 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
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- 208000006820 Arthralgia Diseases 0.000 description 1
- 208000018084 Bone neoplasm Diseases 0.000 description 1
- 206010053682 Brachycephaly Diseases 0.000 description 1
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- 208000009283 Craniosynostoses Diseases 0.000 description 1
- 206010011732 Cyst Diseases 0.000 description 1
- 241001653121 Glenoides Species 0.000 description 1
- 206010023204 Joint dislocation Diseases 0.000 description 1
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 208000002193 Pain Diseases 0.000 description 1
- 208000024288 Rotator Cuff injury Diseases 0.000 description 1
- 208000002103 Shoulder Fractures Diseases 0.000 description 1
- 235000018259 Solanum vestissimum Nutrition 0.000 description 1
- 240000002825 Solanum vestissimum Species 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000011226 adjuvant chemotherapy Methods 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 229910052586 apatite Inorganic materials 0.000 description 1
- 210000000784 arm bone Anatomy 0.000 description 1
- 206010003246 arthritis Diseases 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
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- 238000004140 cleaning Methods 0.000 description 1
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- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
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- 231100000915 pathological change Toxicity 0.000 description 1
- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 230000037081 physical activity Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
- 210000002303 tibia Anatomy 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30721—Accessories
- A61F2/30749—Fixation appliances for connecting prostheses to the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/40—Joints for shoulders
- A61F2/4014—Humeral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic humeral shafts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30003—Material related properties of the prosthesis or of a coating on the prosthesis
- A61F2002/3006—Properties of materials and coating materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2002/30331—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementarily-shaped recess, e.g. held by friction fit
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2002/30331—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementarily-shaped recess, e.g. held by friction fit
- A61F2002/30332—Conically- or frustoconically-shaped protrusion and recess
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2002/3093—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth for promoting ingrowth of bone tissue
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/40—Joints for shoulders
- A61F2/4014—Humeral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic humeral shafts
- A61F2002/4051—Connections of heads directly to shafts
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The present invention relates to shoulder joint prosthesis, technical solution is, including humerus head and humerus handle, humerus head includes the integral structure that humerus bulb is constituted with the humeral shaft splicing column for being fixedly connected on humerus bulb lower part, humerus handle is the splicing disk by truncated cone-shaped, it is connected to the taper connection column of the splicing disk upper surface and is connected to the integral structure that the humeral shaft pulp cavity insertion column of the splicing disk lower end surface is constituted, symmetrical groove is provided on humerus bulb, multiple sewing holes for suturing with shoulder joint tissue around are provided on groove, the shoulder joint prosthesis further includes humerus pressing plate, symmetrical grooves are distributed in humerus bulb upper end in the present invention, the balance of shoulder soft tissue growth is taken into account, and multiple sewing holes are set in groove, humerus bulb can be stitched together with surrounding tissue, connectivity is strong, it is additionally arranged humerus pressing plate, on the whole Increase the reliability and stability that prosthese is connect with shoulder joint.
Description
Technical field
The present invention relates to bone surgery implantation material prosthese, especially a kind of shoulder joint prosthesis.
Background technique
Human body shoulder joint is physical activity range maximum and most unstable joint.Proximal humerus be after distal part of femur,
One of pernicious most common site of pathological change of bone primary tumo(u)r after proximal ends of tibia, in the latest 20 years, with new adjuvant chemotherapy by
Step is improved and the progress of surgical technic, for the shoulder joint orthopaedic disease such as shoulder joint bone tumour, omarthritis, caput humeri necrosis,
Shoulder joint displacement art has become one of the important method for the treatment of proximal humerus malignant bone tumor.It is existing to be applied to clinical shoulder joint
Section prosthese is mostly made of humerus head and humerus handle, and structure is not only complicated, but also the component formed is more, clinical operation operation
The connectivity and growing into property of difficult and postoperative prosthese and surrounding tissue are bad, and for different patient's shoulder joint anatomical structures
Difference, pain, the shoulder mobility range that will appear duration after most shoulder joint prosthesis displacement techniques are limited, and prosthese occur
Dislocation and subluxation, prosthetic loosening, sinking etc., for the appearance of these phenomenons, Custom Prosthesis tumour shoulder joint prosthesis is in shoulder joint
It will play an increasingly important role in displacement technique.In bone surgery implantation material prosthetic arts, using shoulder joint displacement art come
It treats the related orthopaedic disease such as proximal humerus malignant bone tumor and proximal humeral fracture and has become presently most used method.
Chinese patent literature (application number 201320239664.4) is related to a kind of combined type shoulder joint prosthesis, the combined type shoulder
Articular prosthesis is made of humerus handle and humerus head, and wherein humerus handle is connected by humerus handle proximal end part and humerus handle distal end part by slot
Composition is connect, the proximal humerus part and distal humerus part of different size can be replaced in art, according to shoulder joint anatomic form to realize group
The combination of shoulder joint prosthesis collodiaphyseal angle, back rake angle and offset distance is closed, to reach good postoperative effect, but the borrowed structure is multiple
It is miscellaneous, it is cumbersome, it is difficult to avoid the occurrence of that postoperative prosthese loosens.And on the basis of this patent, Chinese patent text
It offers (application number 201320530260.0) and is related to a kind of hinge type shoulder joint prosthesis, the humerus handle of this prosthese is humerus handle proximal end
Freely adjusting for the i.e. collodiaphyseal angle of angle of humerus head and humerus handle equally may be implemented by articulated connection in part and humerus handle distal end part
Section, keeps postoperative shoulder scope of activities bigger.Above two patent, which is not avoided that, occurs phase between the humerus head of prosthese and humerus handle
To rotation, or there is prosthese connection and loosen, and its morphosis is complicated, and does not meet human body shoulder joint
Anatomical structure, while postoperative surrounding shoulder joint tissue and prosthese connectivity are poor, the phenomenon that being easy to happen postoperative prosthetic loosening, it is difficult to
Achieve the purpose that postoperative fast quick-recovery shoulder joint function, therefore, it is imperative to improve and innovate.
Summary of the invention
For above situation, for the defect for overcoming the prior art, the purpose of the present invention is just to provide a kind of for shoulder joint
The shoulder joint prosthesis of the postoperative fast quick-recovery shoulder joint function of displacement technique.
The technical solution that the present invention solves is,
A kind of shoulder joint prosthesis, including humerus head and humerus handle, humerus head include humerus bulb and are fixedly connected on humerus
The integral structure that the humeral shaft splicing column of bulb lower part is constituted, humerus handle be by truncated cone-shaped splicing disk, be connected to the splicing
The one knot that the taper connection column of disk upper surface and the humeral shaft pulp cavity insertion column for being connected to the splicing disk lower end surface are constituted
Structure, humeral shaft splicing column lower end surface are provided with connecting hole being recessed upwards, corresponding with taper connection column, under humeral shaft splicing column
End face two sides are respectively arranged with downwardly convex clamp, splice and are provided with and the one-to-one card slot of clamp, taper on disk outer wall
Connecting column is inserted into connecting hole and the two cooperates in Morse's taper, while clamp is installed in card slot, constitutes humerus head and the upper arm
Reassembling type connection structure of the bone handle without relative rotation is provided with symmetrical groove on humerus bulb, multiple use is provided on groove
In the sewing hole sutured with shoulder joint tissue around, the shoulder joint prosthesis further includes humerus pressing plate, on the humerus pressing plate
End is connected with humerus head, and lower end is located at the outside of humeral shaft pulp cavity insertion column and is in alternate setting with humeral shaft pulp cavity insertion column,
Humeral shaft pulp cavity is inserted on the outside of column, and the humeral shaft fixation hole that front and back penetrates through is provided on humerus pressing plate.
The humerus pressing plate upper end is provided with the plug of protrusion, humerus bulb lower part or humeral shaft splicing column top or with
Both upper junction is provided with slot corresponding with plug, the first bolt hole penetrated through before and after being provided on plug, on slot
It is provided with the second bolt hole corresponding with the first bolt hole, humerus pressing plate top is by being installed on the first bolt hole and the second spiral shell
Attachment screw in keyhole links together with humerus head, constitutes reassembling type connection structure.
The surface of the humerus bulb is coated with the coating of loose and porous structure or reticular structure;The coating is hydroxyl
Base apatite coating.
Structure of the invention novel and unique, advantages of simple is easy to produce, and assembly is simple, compared with prior art, has following excellent
Point:
1, symmetrical grooves are distributed in humerus bulb upper end, have taken into account the balance of shoulder soft tissue growth, and set in groove
Multiple sewing holes are set, humerus bulb can be stitched together with surrounding tissue, connectivity is strong, is additionally favorable for shoulder joint Surrounding muscles
The long of tissue is closed, and prevents postoperative prosthese from the phenomenon that loosening occur;
2, the coating of porous structure or reticular structure is coated in humeral ball head surface, convenient for shoulder joint histocyte in shoulder
Length around articular prosthesis is closed, and shoulder joint prosthesis is made to have good biocompatibility, and shoulder joint vacation is allowed to organize more with normal
It combines together fastly, generates preferable biological fixation, avoid the complication such as postoperative generation prosthetic loosening;
3, the clamp of humerus head lower end and humerus handle upper end card slot first cooperate, and effectively prevent the two relative rotation, while the upper arm
The taper connection column of bone handle upper end is inserted into the connecting hole of humerus head lower end, and the two cooperates in Morse's taper, so that it is guaranteed that
Connection stability and reliability between the two;
4, it is additionally arranged humerus pressing plate, and the upper end of humerus pressing plate is connect by screw with humerus bulb, and fixed humerus is played
The effect of bulb, the lower end of humerus pressing plate and humeral shaft pulp cavity insertion column are in alternate setting, and humeral shaft pulp cavity is inserted into column and is inserted into the upper arm
After backbone pulp cavity, humerus pressing plate lower end is connect by lock screw with shoulder joint bone tissue, increases prosthese and shoulder joint on the whole
The reliability and stability for saving connection, achievees the purpose that postoperative fast quick-recovery shoulder joint function well.
Detailed description of the invention
Fig. 1 is perspective view of the invention.
Fig. 2 is the three-dimensional assembling schematic diagram (explosive view) of the present invention.
Fig. 3 is the perspective view of humerus head of the present invention.
Fig. 4 is the perspective view of humerus handle of the present invention.
Fig. 5 is the perspective view of humerus pressing plate of the present invention.
Fig. 6 is the partial sectional view of humerus bulb coating of the present invention.
Specific embodiment
Below in conjunction with attached drawing, specific embodiments of the present invention will be described in further detail.
It is provided by Fig. 1-5, the present invention includes humerus head and humerus handle, and humerus head includes humerus bulb 1 and is fixedly connected on
The integral structure that the humeral shaft splicing column 2 of 1 lower part of humerus bulb is constituted, humerus handle be by truncated cone-shaped splicing disk 15, be connected to
The taper connection column 10 of the splicing disk upper surface and humeral shaft pulp cavity insertion 3 structure of column for being connected to the splicing disk lower end surface
At integral structure, 2 lower end surface of humeral shaft splicing column is provided with connecting hole being recessed upwards, corresponding with taper connection column 10,
2 lower end surface two sides of humeral shaft splicing column are respectively arranged with downwardly convex clamp 9, splice and are provided with and clamp 9 on 15 outer wall of disk
One-to-one card slot 14, taper connection column 10 is inserted into connecting hole and the two cooperates in Morse's taper, while clamp 9 clamps
In card slot 14, the reassembling type connection structure of humerus head and humerus handle without relative rotation is constituted, is provided on humerus bulb 1 pair
The groove 6 of title, multiple sewing holes 7 for suturing with shoulder joint tissue around are provided on groove 6, and the shoulder joint is false
Body further includes humerus pressing plate 5, and 5 upper end of humerus pressing plate is connected with humerus head, and lower end is located at the outer of humeral shaft pulp cavity insertion column 3
Side and be in alternate setting with humeral shaft pulp cavity insertion column, humeral shaft pulp cavity is inserted into the outside of column 3, before being provided on humerus pressing plate 5
The humeral shaft fixation hole 13 penetrated through afterwards.
To guarantee using effect, 5 upper end of humerus pressing plate is provided with the plug 4 of protrusion, 1 lower part of humerus bulb or the upper arm
2 top of backbone splicing column or more than both junction be provided with slot 8 corresponding with plug 4, be provided on plug 4 front and back pass through
The first logical bolt hole 4a, is provided with second bolt hole 8a corresponding with the first bolt hole 4a on slot 8, on humerus pressing plate 5
Portion is linked together by the attachment screw being installed in the first bolt hole 4a and the second bolt hole 8a with humerus head, and dismounting is constituted
Formula connection structure.
The sewing hole 7 be by be located at groove on the first threading opening 71, positioned at 1 surface of humerus bulb second threading
Mouthfuls 72 and be connected to corresponding first threading opening 71, the first threading channel of the second threading opening 72 is constituted or sewing hole 7 be by
What the second threading channel of the two third threading openings of third threading opening 73 and connection in two groove common side-walls was constituted, the
One threading opening 71, the second threading opening 72, first threading number of channels is equal and corresponds;Third threading opening number on two grooves
It measures equal and corresponds.
The axial direction of the humeral shaft fixation hole 13 is vertical with the humeral shaft pulp cavity insertion surface of column 3.
The surface of the humerus bulb 1 is coated with the coating 1a of loose and porous structure or reticular structure.The coating
There is shoulder joint prosthesis good convenient for long conjunction of the shoulder joint histocyte around shoulder joint prosthesis for hydroxyapatite coating layer
Good biocompatibility allows shoulder joint vacation quickly to combine together with normal tissue, generates preferable biological fixation, avoid
The complication such as postoperative generation prosthetic loosening.
The outer surface of the humeral shaft pulp cavity insertion column 3 is provided with the reinforcing rib for improving its bearing capacity and intensity
11, reinforcing rib 11 is the cuboid protrusion that 3 length surface direction of column is inserted into along humeral shaft pulp cavity.After being inserted into humeral shaft pulp cavity not
Friction can only be increased, improve the bearing capacity of humerus handle 3, and guiding and positioning function can be played in medullary cavity of humerus, prevented
Prosthese occurs loosening.
It is provided with the strip groove 12 that front and back penetrates through on the humeral shaft pulp cavity insertion column 3, strip groove 12 makes humeral shaft marrow
Chamber insertion column is centrally formed cavity, and during humeral shaft pulp cavity insertion column insertion humeral shaft pulp cavity ground, strip groove 12 can be risen
To resistance is reduced, the effect of pressure is balanced, mitigates pulp cavity tissue to the pressure of humerus handle 3, is conducive to humeral shaft pulp cavity insertion column 3
In quick insertion humeral shaft pulp cavity.
The humerus bulb 1 is spheroidal structure, the axis extended line direction of the humeral shaft pulp cavity insertion column 3 and the upper arm
There are eccentricities for the centre of sphere of bone bulb 1.
Shoulder joint prosthesis of the invention is made of medical metal, the medical metal include titanium or titanium alloy, cobalt alloy,
Stainless steel and tantalum metal, magnesium alloy, this metalloid material have regulation, biofacies in ISO-583 series international standard
The practice that capacitive has obtained domestic and international many years orthopaedics implantation application confirms.
When actual processing, the shape of the humeral shaft pulp cavity insertion column of humerus handle lower part, size dimension are swollen for shoulder joint
The humeral shaft pulp cavity CT image of tumor patient using medical 3 D modeling software Mimics16.0 reverse process, and passes through humeral shaft
It is obtained on the basis of pulp cavity shape size statistics and measurement, so that humerus handle prosthese complies with the cavity body structure of most of patients, simultaneously
Design humerus handle prosthese can also be customized for few patients.
Service condition of the invention is: after anesthesia (general anesthesia), patient lies low thin on operating table, suffering from pad on rear side of shoulder joint
Pillow, routine disinfection drape, 1. notch terminates in the humerus stop of deltoid muscle along anterior margin of deltoid through coronoid process from clavicle leading edge.②
Its front is cut in the stop of humeral shaft.Cephalic vein is led outward together with deltoid muscle, cuts upper the 1/3 of pectoralis major stop.
Costocoracoid membrane is cut, beak acromion ligament is upwardly into.Ligation is located at the up-front beak acromion artery acromial branch of thoracoacromial artery of beak acromion ligament.By the upper arm two
Head flesh brachycephaly and coracobrachilalis are led inwardly.3. cutting beak acromion ligament, cut-out subacromial cyst wall, between clearing up under acromion
Gap.4. outward turning, ligation is located at blood vessel before the rotation upper arm of subscapular muscle lower edge by shoulder joint buckling.Moiety before cutting tendon of subscapularis muscle,
It cuts to tendon-flesh engaging portion.Subscapular muscle is led inwardly, condyle is switched along glenoid cavity inside cutting, up to the rotator cuff gap upper bound.
5. outward turning extendes back, outreach, deviate from humerus head.Humerus head is amputated from the front to the back, is removed under humerus head, the apophysis at rear.It carries out
Expand marrow and file marrow, by rebuilding rotator cuff tear, and preset rotator cuff suture after tenolysis.6. bone cement is modulated, by bone cement
Humeral shaft pulp cavity is squeezed into, humerus head is connected with humerus handle, column is inserted by humeral shaft pulp cavity and is inserted into humeral shaft pulp cavity, is reconnected
Humerus pressing plate is stably connected with the two, and humerus pressing plate upper end is fixed by attachment screw and humerus head, and humerus pressing plate lower end passes through
Screw connect and fixes with humeral shaft, and humerus bulb should be directed toward cavitas glenoidalis, and slightly higher major tubercle out.8. shoulder joint reset is led
Draw upper arm, cleaning down articular cavity.9. repairing the sliding degree of subscapular muscle before suturing rotator cuff, rotator cuff preplaced line is passed through into the upper arm
Bone is reserved sewing hole and is ligatured.Negative-pressure drainage tube is disposed, pectoralis major triangle spatium intermusculare is sutured.Check instrument and gauze it is errorless after
Each layer of layer-by-layer suture.
Compared with prior art, the invention has the following advantages that
1, symmetrical grooves are distributed in humerus bulb upper end, have taken into account the balance of shoulder soft tissue growth, and set in groove
Multiple sewing holes are set, humerus bulb can be stitched together with surrounding tissue, connectivity is strong, is additionally favorable for shoulder joint Surrounding muscles
The long of tissue is closed, and prevents postoperative prosthese from the phenomenon that loosening occur;
2, the coating of porous structure or reticular structure is coated in humeral ball head surface, convenient for shoulder joint histocyte in shoulder
Length around articular prosthesis is closed, and shoulder joint prosthesis is made to have good biocompatibility, and shoulder joint vacation is allowed to organize more with normal
It combines together fastly, generates preferable biological fixation, avoid the complication such as postoperative generation prosthetic loosening;
3, the clamp of humerus head lower end and humerus handle upper end card slot first cooperate, and effectively prevent the two relative rotation, while the upper arm
The taper connection column of bone handle upper end is inserted into the connecting hole of humerus head lower end, and the two cooperates in Morse's taper, so that it is guaranteed that
Connection stability and reliability between the two;
4, it is additionally arranged humerus pressing plate, and the upper end of humerus pressing plate is connect by screw with humerus bulb, and fixed humerus is played
The effect of bulb, the lower end of humerus pressing plate and humeral shaft pulp cavity insertion column are in alternate setting, and humeral shaft pulp cavity is inserted into column and is inserted into the upper arm
After backbone pulp cavity, humerus pressing plate lower end is connect by lock screw with shoulder joint bone tissue, increases prosthese and shoulder joint on the whole
The reliability and stability for saving connection, achievees the purpose that postoperative fast quick-recovery shoulder joint function well.
Through practical application, good curative effect is achieved, specific as follows:
Rehabilitation evaluation generallys use most widely used Neer curative effect points-scoring system after shoulder joint prosthesis displacement technique, i.e., to shoulder
Arthralgia, function, scope of activities, dissection restore four indices and are measured.It can be comprehensively using Neer points-scoring system
One postoperative rehabilitation efficacy evaluation is carried out to shoulder joint Patients with Bone Tumor.
The standards of grading of specific Neer see the table below:
Neer shoulder joint function grade form
Patient's name: bed label: medical record number:
It scores the time:
It is performed the operation through practical application shoulder joint prosthesis of the present invention to six patients, wherein 4 people of male, 2 people of women puts down
Equal 55 years old age (39-67 years old), postoperative curative effect appraisal result are as follows:
By above situation it should be apparent that curative effect of the present invention is stablized, post-operative recovery is all right, is shoulder joint prosthesis
On innovation, have good social and economic benefit.
Claims (8)
1. a kind of shoulder joint prosthesis, including humerus head and humerus handle, which is characterized in that humerus head includes humerus bulb (1) and consolidates
Surely it is connected to the integral structure that the humeral shaft splicing column (2) of humerus bulb (1) lower part is constituted, humerus handle is the splicing by truncated cone-shaped
Disk (15), the taper connection column (10) for being connected to the splicing disk upper surface and the humerus for being connected to the splicing disk lower end surface
The integral structure that dry pulp cavity insertion column (3) is constituted, humeral shaft splicing column (2) lower end surface is provided be recessed upwards and taper connection
The corresponding connecting hole of column (10), humeral shaft splicing column (2) lower end surface two sides are respectively arranged with downwardly convex clamp (9), are spelled
It connects to be provided on disk (15) outer wall and be inserted into connecting hole with clamp (9) one-to-one card slot (14), taper connection column (10)
And the two cooperates in Morse's taper, while clamp (9) is installed in card slot (14), constitutes humerus head and humerus handle without relative rotation
Reassembling type connection structure, be provided with symmetrical groove (6) on humerus bulb (1), multiple be used for and week be provided on groove (6)
The sewing hole (7) of shoulder joint tissue suture is enclosed, the shoulder joint prosthesis further includes humerus pressing plate (5), the humerus pressing plate (5)
Upper end is connected with humerus head, and lower end is located at the outside of humeral shaft pulp cavity insertion column (3) and with humeral shaft pulp cavity insertion column in alternate
Setting, humeral shaft pulp cavity are inserted on the outside of column (3), and the humeral shaft fixation hole (13) that front and back penetrates through is provided on humerus pressing plate (5).
2. shoulder joint prosthesis according to claim 1, which is characterized in that described humerus pressing plate (5) upper end is provided with convex
The plug (4) risen, humerus bulb (1) lower part or humeral shaft splicing column (2) top or more than both junction be provided with and insert
Head (4) corresponding slot (8) is provided with the first bolt hole (4a) that front and back penetrates through on plug (4), be provided on slot (8) with
Corresponding second bolt hole (8a) of first bolt hole (4a), humerus pressing plate (5) top is by being installed on the first bolt hole (4a)
It links together with the attachment screw in the second bolt hole (8a) with humerus head, constitutes reassembling type connection structure.
3. shoulder joint prosthesis according to claim 1, which is characterized in that the sewing hole (7) is by being located on groove
The first threading opening (71), be located at second threading opening (72) on humerus bulb (1) surface and be connected to corresponding first threading opening
(71), it is by being located in two groove common side-walls that the first of the second threading opening (72), which threads channel is constituted or sewing hole (7),
What third threading opening (73) and the second threading channel for being connected to two third threading openings were constituted.
4. shoulder joint prosthesis according to claim 1, which is characterized in that the axial direction of the humeral shaft fixation hole (13) with
The surface that humeral shaft pulp cavity is inserted into column (3) is vertical.
5. shoulder joint prosthesis according to claim 1, which is characterized in that the surface of the humerus bulb (1) is coated with
The coating (1a) of loose and porous structure or reticular structure.
6. shoulder joint prosthesis according to claim 5, which is characterized in that the coating is hydroxyapatite coating layer.
7. shoulder joint prosthesis according to claim 1, which is characterized in that outside humeral shaft pulp cavity insertion column (3)
Surface is provided with the reinforcing rib (11) for improving its bearing capacity and intensity.
8. shoulder joint prosthesis according to claim 1, which is characterized in that set in humeral shaft pulp cavity insertion column (3)
It is equipped with the strip groove (12) that front and back penetrates through.
Priority Applications (1)
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CN201811641428.9A CN109646152A (en) | 2018-12-29 | 2018-12-29 | Shoulder joint prosthesis |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811641428.9A CN109646152A (en) | 2018-12-29 | 2018-12-29 | Shoulder joint prosthesis |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1925814A (en) * | 2004-02-05 | 2007-03-07 | 精密技术公司 | Shoulder prosthesis with humeral fracture stem |
CN202086619U (en) * | 2011-03-18 | 2011-12-28 | 北京百慕航材高科技股份有限公司 | Proximal humerus shoulder joint prosthesis |
CN105796213A (en) * | 2015-01-15 | 2016-07-27 | 德普伊新特斯产品公司 | Modular reverse shoulder orthopaedic implant and method of implanting the same |
CN107735055A (en) * | 2015-04-15 | 2018-02-23 | 41荷美沃斯股份公司 | Artificial joint implant |
CN209529401U (en) * | 2018-12-29 | 2019-10-25 | 王建平 | A kind of shoulder joint prosthesis |
-
2018
- 2018-12-29 CN CN201811641428.9A patent/CN109646152A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1925814A (en) * | 2004-02-05 | 2007-03-07 | 精密技术公司 | Shoulder prosthesis with humeral fracture stem |
CN202086619U (en) * | 2011-03-18 | 2011-12-28 | 北京百慕航材高科技股份有限公司 | Proximal humerus shoulder joint prosthesis |
CN105796213A (en) * | 2015-01-15 | 2016-07-27 | 德普伊新特斯产品公司 | Modular reverse shoulder orthopaedic implant and method of implanting the same |
CN107735055A (en) * | 2015-04-15 | 2018-02-23 | 41荷美沃斯股份公司 | Artificial joint implant |
CN209529401U (en) * | 2018-12-29 | 2019-10-25 | 王建平 | A kind of shoulder joint prosthesis |
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