CN109646152A - Shoulder joint prosthesis - Google Patents

Shoulder joint prosthesis Download PDF

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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
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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
Application number
CN201811641428.9A
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Chinese (zh)
Inventor
王建平
郭栋
李瑜
岳军齐
杨永强
王世华
王彦清
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Henan University of Technology
Original Assignee
Henan University of Technology
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Filing date
Publication date
Application filed by Henan University of Technology filed Critical Henan University of Technology
Priority to CN201811641428.9A priority Critical patent/CN109646152A/en
Publication of CN109646152A publication Critical patent/CN109646152A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/30721Accessories
    • A61F2/30749Fixation appliances for connecting prostheses to the body
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/30767Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2/30771Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/40Joints for shoulders
    • A61F2/4014Humeral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic humeral shafts
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2002/30001Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30003Material related properties of the prosthesis or of a coating on the prosthesis
    • A61F2002/3006Properties of materials and coating materials
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2002/30001Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316The 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
    • A61F2002/30329Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2002/30331Connections 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2002/30001Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316The 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
    • A61F2002/30329Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2002/30331Connections 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
    • A61F2002/30332Conically- or frustoconically-shaped protrusion and recess
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/30767Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2002/3093Special external or bone-contacting surface, e.g. coating for improving bone ingrowth for promoting ingrowth of bone tissue
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/40Joints for shoulders
    • A61F2/4014Humeral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic humeral shafts
    • A61F2002/4051Connections 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

Shoulder joint prosthesis
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.
CN201811641428.9A 2018-12-29 2018-12-29 Shoulder joint prosthesis Pending CN109646152A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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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