CN111329627A - Novel glenohumeral joint prosthesis after scapula resection - Google Patents

Novel glenohumeral joint prosthesis after scapula resection Download PDF

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Publication number
CN111329627A
CN111329627A CN202010220595.7A CN202010220595A CN111329627A CN 111329627 A CN111329627 A CN 111329627A CN 202010220595 A CN202010220595 A CN 202010220595A CN 111329627 A CN111329627 A CN 111329627A
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China
Prior art keywords
ball
head
scapula
novel
joint
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Pending
Application number
CN202010220595.7A
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Chinese (zh)
Inventor
张智长
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Shanghai Sixth Peoples Hospital
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Shanghai Sixth Peoples Hospital
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Application filed by Shanghai Sixth Peoples Hospital filed Critical Shanghai Sixth Peoples Hospital
Priority to CN202010220595.7A priority Critical patent/CN111329627A/en
Publication of CN111329627A publication Critical patent/CN111329627A/en
Pending legal-status Critical Current

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    • 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
    • A61F2/40—Joints for shoulders
    • A61F2/4081—Glenoid components, e.g. cups
    • 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
    • A61F2002/4018—Heads or epiphyseal parts of humerus
    • A61F2002/4022—Heads or epiphyseal parts of humerus having a concave shape, e.g. hemispherical cups
    • 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
    • A61F2002/4029—Necks
    • 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
    • A61F2002/4037—Connections of heads to necks
    • 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
    • A61F2/4081—Glenoid components, e.g. cups
    • A61F2002/4085—Glenoid components, e.g. cups having a convex shape, e.g. hemispherical heads

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

A novel glenohumeral joint prosthesis after scapula resection relates to the technical field of artificial joints, and comprises a scapula base, a spherical support and a double-acting-head joint; the scapula base is correspondingly and fixedly connected with the bottom of one end, close to the humerus, of the clavicle through a plurality of screws; a spherical support corresponding to a glenohumeral joint of the human body is arranged on one side of the scapula base corresponding to the humerus, and a double-acting-head joint is arranged on one side of the spherical support corresponding to the humerus; the double-acting-head joint comprises a ball cup, a ball head and a joint handle, wherein the ball head end of the ball cup is correspondingly positioned in the spherical support, the ball head is arranged in the inner cavity of the ball cup, a retaining ring for preventing the ball head from being separated from the ball cup is arranged at the edge of the opening part of the inner cavity of the ball cup, and the ball head is correspondingly and fixedly connected with one end, close to the clavicle, of the humerus through the joint handle; the bionic scapula prosthesis effectively solves the problem that the traditional bionic scapula prosthesis is poor in function.

Description

Novel glenohumeral joint prosthesis after scapula resection
Technical Field
The invention relates to the technical field of artificial joints, in particular to a novel glenohumeral joint prosthesis after scapula resection.
Background
As is well known, the shoulder joint is an important joint of the human body, has a complex anatomical structure, and involves the clavicle, the scapula, the humerus, and numerous adjacent nerves, blood vessels, and muscles; the shoulder joint is stable and flexible, and is an important basis for realizing the function of the upper limb. Serious dysfunction can be caused by complete resection of the scapula due to trauma, infection or tumor and the like; at present, one method is to adopt an open-position shoulder joint shaping mode, suspend the humerus head on the clavicle stump, and completely lose the function of the shoulder joint; the other is a bionic scapula prosthesis, but the stability of the scapula is highly dependent on the tension of peripheral muscles, and the peripheral muscles are usually cut off when the scapula is cut off, so that the scapula prosthesis is extremely unstable and easy to dislocate, and more complications are caused; shoulder joint abduction relies on shoulder sleeves to stabilize a humerus head on a scapula pelvis, so that the deltoid can exert the maximum abduction efficiency, and the shoulder sleeves are often resected together while the scapula is resected, so that the humerus head cannot be stabilized, and only the humerus head moves upwards and cannot be converted into abduction when the deltoid contracts; therefore, the traditional bionic scapula prosthesis has poor functions and can not meet the clinical requirements at all, and the phenomenon is a problem to be solved by the technical personnel in the field.
Disclosure of Invention
In order to overcome the defects in the background art, the invention discloses a novel glenohumeral joint prosthesis after scapulotomy.
In order to achieve the purpose, the invention adopts the following technical scheme:
a novel glenohumeral joint prosthesis after scapula resection comprises a scapula base, a spherical support and a double acting head joint; the scapula base is correspondingly and fixedly connected with the bottom of one end, close to the humerus, of the clavicle through a plurality of screws; a spherical support corresponding to a glenohumeral joint of the human body is arranged on one side of the scapula base corresponding to the humerus, and a double-acting-head joint is arranged on one side of the spherical support corresponding to the humerus; the double-acting-head joint comprises a ball cup, a ball head and a joint handle, the ball head end of the ball cup is correspondingly positioned in the spherical support, the ball head is arranged in the inner cavity of the ball cup, a retaining ring for preventing the ball head from being separated from the ball cup is arranged at the edge of the opening part of the inner cavity of the ball cup, and the ball head is correspondingly and tightly connected with one end, close to the clavicle, of the humerus through the joint handle.
Preferably, the surfaces of the scapula base, which are in corresponding contact with the clavicle, and the outer surface of the ball cup are both provided with biological interfaces.
Preferably, the biological interface is a porous tantalum film.
Preferably, a lining is arranged between the inner cavity of the ball cup and the ball head.
Preferably, the inner lining is provided with a flat square corresponding to the opening of the inner cavity of the ball cup, and the inner cavity of the ball cup is provided with a plane structure corresponding to the flat square of the inner lining.
Preferably, the screw is provided with a lining strip for improving the connection strength at the position corresponding to the clavicle.
Preferably, the scapula base is correspondingly fastened and connected with the clavicle through two screws which are arranged side by side at intervals.
Preferably, the retaining ring is correspondingly connected with the ball cup through a clamp spring.
Preferably, the ball head and the joint handle are correspondingly and tightly connected through threads.
Preferably, the ball head and the joint handle are of an integral structure.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
the invention discloses a novel glenohumeral joint prosthesis after scapulotomy, which has a simple structure and is easy for surgical operation, wherein a lining is arranged between an inner cavity of a ball cup and a ball head, the lining can effectively increase the stability between the ball cup and the ball head, an oblate square is arranged at the position of the lining, which corresponds to the opening part of the inner cavity of the ball cup, a plane structure corresponding to the oblate square of the lining is arranged at the position, which corresponds to the oblate square of the lining, of the inner cavity of the ball cup, and the oblate square structure can effectively prevent the ball cup and the lining from rotating relatively, so that the stability between the ball cup and the ball; a baffle ring for preventing the ball head from separating from the ball cup is arranged at the edge of the opening part of the inner cavity of the ball cup; the retaining ring is correspondingly connected with the ball cup through the snap spring, the connecting structure is simple, firm and reliable, the connecting operation can be completed only by the operating forceps, and the operation is simple and convenient; in addition, the surfaces of the scapula base, which are correspondingly contacted with the clavicle, and the outer surface of the ball cup are respectively provided with a biological interface, the biological interfaces can be porous tantalum films, the porous tantalum films can exert the advantage of good biocompatibility, the inter-fusion of the scapula base, the ball cup and human tissues is promoted, and the retention of the scapula base and the ball cup is stabilized.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a double acting head joint;
fig. 3 is a schematic view of the structure of the liner.
In the figure: 1. a scapula base; 2. a spherical support; 3. a double movable head joint; 3-1, a ball cup; 3-2, a ball head; 3-3, a joint stem; 3-4, a baffle ring; 3-5, lining; 3-6, clamping spring; 4. a screw; 5. a clavicle; 6. the humerus; 7. a biological interface; 8. and a lining strip.
Detailed Description
The present invention will be explained in detail by the following examples, which are disclosed for the purpose of protecting all technical improvements within the scope of the present invention.
With reference to the attached figures 1-3, a novel glenohumeral joint prosthesis after scapula resection comprises a scapula base 1, a spherical support 2 and a double-acting-head joint 3; the scapula base 1 is correspondingly and fixedly connected with the bottom of one end, close to the humerus 6, of the clavicle 5 through a plurality of screws 4; according to the requirement, the scapula base 1 is correspondingly fastened and connected with a clavicle 5 through two screws 4 arranged side by side at intervals; the lining strip 8 for improving the connection strength is arranged at the corresponding connection position of the screw 4 and the clavicle 5, the lining strip 8 can effectively improve the structural strength of the clavicle 5, and the clavicle 5 is prevented from being broken at the connection position of the screw 4 to generate serious complications; a spherical support 2 corresponding to a glenohumeral joint of a human body is arranged on one side, corresponding to the humerus 6, of the scapula base 1, and a double-acting-head joint 3 is arranged on one side, corresponding to the humerus 6, of the spherical support 2; the double-acting-head joint 3 comprises a ball cup 3-1, a ball head 3-2 and a joint handle 3-3, the ball head end of the ball cup 3-1 is correspondingly positioned in the ball support 2, and the ball head 3-2 is arranged in the inner cavity of the ball cup 3-1; according to the requirements, a lining 3-5 is arranged between an inner cavity of the ball cup 3-1 and the ball head 3-2, the lining 3-5 can effectively increase the stability between the ball cup 3-1 and the ball head 3-2, a flat square is arranged at the position of the lining 3-5, which corresponds to the opening of the inner cavity of the ball cup 3-1, a plane structure corresponding to the flat square of the lining 3-5 is arranged at the position of the inner cavity of the ball cup 3-1, which corresponds to the flat square of the lining 3-5, the flat square structure can effectively prevent the ball cup 3-1 and the lining 3-5 from rotating relatively, and the stability between the ball cup 3-1 and the ball head 3-2 is further improved;
the edge of the opening part of the inner cavity of the ball cup 3-1 is provided with a retaining ring 3-4 for preventing the ball head 3-2 from separating from the ball cup 3-1; according to the requirement, the baffle ring 3-4 is correspondingly connected with the ball cup 3-1 through the clamp spring 3-6, the connecting structure is simple, firm and reliable, the connecting operation can be completed only through an operating forceps, and the operation is simple and convenient; the ball head 3-2 is correspondingly and fixedly connected with one end of the humerus 6 close to the clavicle 5 through the joint handle 3-3; according to the requirement, the ball head 3-2 and the joint handle 3-3 are correspondingly and tightly connected through threads, or the ball head 3-2 and the joint handle 3-3 are of an integral structure; in addition, the corresponding contact surface of the scapula base 1 and the clavicle 5 and the outer surface of the ball cup 3-1 are respectively provided with a biological interface 7, the biological interfaces 7 can be porous tantalum films, and the porous tantalum films can exert the advantage of good biocompatibility, promote the mutual fusion of the scapula base 1 and the ball cup 3-1 with human tissues, and stabilize the retention of the scapula base 1 and the ball cup 3-1.
When the novel glenohumeral joint prosthesis after the scapula resection is implemented, the scapula base 1 and the bottom of one end, close to the humerus 6, of the clavicle 5 are correspondingly and fixedly connected through the screw 4, the double acting head joint 3 and one end, close to the clavicle 5, of the humerus 6 are correspondingly and fixedly connected through the joint handle 3-3, and the ball head end of the ball cup 3-1 is correspondingly aligned with the spherical support 2, so that the surgical installation step of the artificial prosthesis can be completed.
The invention is not described in detail in the prior art, and it is apparent to a person skilled in the art that the invention is not limited to details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Claims (10)

1. A novel glenohumeral joint prosthesis after scapula resection is characterized in that: comprises a scapula base (1), a spherical support (2) and a double acting head joint (3); the scapula base (1) is correspondingly and fixedly connected with the bottom of one end, close to the humerus (6), of the clavicle (5) through a plurality of screws (4); a spherical support (2) corresponding to a glenohumeral joint of a human body is arranged on one side, corresponding to the humerus (6), of the scapula base (1), and a double-acting-head joint (3) is arranged on one side, corresponding to the humerus (6), of the spherical support (2); the double-acting-head joint (3) comprises a ball cup (3-1), a ball head (3-2) and a joint handle (3-3), the ball head end of the ball cup (3-1) is correspondingly positioned in the ball support (2), the ball head (3-2) is arranged in the inner cavity of the ball cup (3-1), a retaining ring (3-4) used for preventing the ball head (3-2) from being separated from the ball cup (3-1) is arranged at the edge of the opening part of the inner cavity of the ball cup (3-1), and the ball head (3-2) is correspondingly and tightly connected with one end, close to the clavicle (5), of the humerus (6) through the joint handle (3-3).
2. The novel glenohumeral joint prosthesis after a scapulotomy of claim 1, wherein: the surfaces of the scapula base (1) and the clavicle (5) which are correspondingly contacted with each other and the outer surface of the ball cup (3-1) are provided with biological interfaces (7).
3. The novel glenohumeral joint prosthesis after a scapulotomy as set forth in claim 2, wherein: the biological interface (7) is a porous tantalum film.
4. The novel glenohumeral joint prosthesis after a scapulotomy of claim 1, wherein: a lining (3-5) is arranged between the inner cavity of the ball cup (3-1) and the ball head (3-2).
5. The novel glenohumeral joint prosthesis after a scapulotomy of claim 4, wherein: the inner liner (3-5) is provided with a flat square corresponding to the opening of the inner cavity of the ball cup (3-1), and the inner cavity of the ball cup (3-1) is provided with a plane structure corresponding to the flat square of the inner liner (3-5).
6. The novel glenohumeral joint prosthesis after a scapulotomy of claim 1, wherein: and a lining strip (8) for improving the connection strength is arranged at the corresponding connection position of the screw (4) and the clavicle (5).
7. The novel glenohumeral joint prosthesis after a scapulotomy of claim 1, wherein: the scapula base (1) is correspondingly and fixedly connected with the clavicle (5) through two screws (4) which are arranged side by side at intervals.
8. The novel glenohumeral joint prosthesis after a scapulotomy of claim 1, wherein: the baffle ring (3-4) is correspondingly connected with the ball cup (3-1) through a clamp spring (3-6).
9. The novel glenohumeral joint prosthesis after a scapulotomy of claim 1, wherein: the ball head (3-2) and the joint handle (3-3) are correspondingly and tightly connected through threads.
10. The novel glenohumeral joint prosthesis after a scapulotomy of claim 1, wherein: the ball head (3-2) and the joint handle (3-3) are of an integral structure.
CN202010220595.7A 2020-03-25 2020-03-25 Novel glenohumeral joint prosthesis after scapula resection Pending CN111329627A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010220595.7A CN111329627A (en) 2020-03-25 2020-03-25 Novel glenohumeral joint prosthesis after scapula resection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010220595.7A CN111329627A (en) 2020-03-25 2020-03-25 Novel glenohumeral joint prosthesis after scapula resection

Publications (1)

Publication Number Publication Date
CN111329627A true CN111329627A (en) 2020-06-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010220595.7A Pending CN111329627A (en) 2020-03-25 2020-03-25 Novel glenohumeral joint prosthesis after scapula resection

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113367855A (en) * 2021-05-27 2021-09-10 北京力达康科技有限公司 Scapula prosthesis

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113367855A (en) * 2021-05-27 2021-09-10 北京力达康科技有限公司 Scapula prosthesis

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