CN114099095B - Reverse head holder for shoulder joint system operation - Google Patents

Reverse head holder for shoulder joint system operation Download PDF

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Publication number
CN114099095B
CN114099095B CN202111221995.0A CN202111221995A CN114099095B CN 114099095 B CN114099095 B CN 114099095B CN 202111221995 A CN202111221995 A CN 202111221995A CN 114099095 B CN114099095 B CN 114099095B
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Prior art keywords
head
clamping
handle
holder
head holder
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CN202111221995.0A
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CN114099095A (en
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吴岩
张永兴
叶招明
章增杰
莫现安
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Zhejiang University ZJU
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Zhejiang University ZJU
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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
    • A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
    • A61F2/4603—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
    • A61F2/4612—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof of shoulders
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28—Surgical forceps
    • A61B17/2812—Surgical forceps with a single pivotal connection
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28—Surgical forceps
    • A61B17/2812—Surgical forceps with a single pivotal connection
    • A61B17/282—Jaws
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28—Surgical forceps
    • A61B17/2812—Surgical forceps with a single pivotal connection
    • A61B17/2841—Handles
    • 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
    • A61F2/4081—Glenoid components, e.g. cups
    • A61F2002/4085—Glenoid components, e.g. cups having a convex shape, e.g. hemispherical heads

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Medical Informatics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Molecular Biology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Transplantation (AREA)
  • Cardiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Vascular Medicine (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Prostheses (AREA)

Abstract

The invention relates to an inverted shoulder joint system operation head holder. It has solved prior art design technical problem such as reasonable inadequately. The clamp comprises a first head holding device and a second head holding device, wherein the first head holding device is provided with a first clamping head, the second head holding device is provided with a second clamping head corresponding to the first clamping head, a substrate base clamping space is formed between the first clamping head and the second clamping head, the first clamping head is connected to a first clamp handle of a clamp body of the head holding device, and the second clamping head is connected to a second clamp handle of the clamp body of the head holding device. Has the advantages that: can clamp a humerus head with the diameter of 36mm and a base seat with the diameter of 29mm, so that the humerus head is tightly attached to the base seat, the bottom surface direction of the ball head can be controlled, complications can be avoided, and the base seat can be firmly held. The reverse shoulder ball head can be clamped tightly, so that the reverse shoulder ball head is tightly attached to the base seat. When the humerus head with reverse shoulder is installed, the direction of the base seat can be well controlled, so that the base seat is tightly engaged with the humerus head.

Description

Reverse head holder for shoulder joint system operation
Technical Field
The invention belongs to the technical field of medical equipment, and particularly relates to an inverted type shoulder joint system operation head holder.
Background
When the shoulder joint is damaged due to osteoarthritis, rheumatoid arthritis, artificial shoulder joint revision, osteonecrosis, tumor, shoulder joint dysplasia, old infection and the like, the function of the shoulder joint is lost, and meanwhile, the shoulder joint feels severe pain. In this case, in order to restore the function of the shoulder joint, it is necessary to perform a replacement operation of the artificial shoulder joint. For example, during an inverted shoulder joint system surgery, the following stages are generally divided: humeral preparation, assembly of an osteotomy guide, proximal humerus preparation, glenoid preparation, implant insertion, semi-or total arthroplasty, implant insertion (semi/total arthroplasty) and evaluation of its stability, closure.
The existing inverted shoulder joint system operation completely refers to the anatomical shape of human shoulder joints, mainly comprises a metal base seat and a metal inverted shoulder ball head, and although the operation accords with the daily behavior and motion characteristics of human bodies, the shoulder joint prosthesis implantation operation generally has the following technical problems: (1) The existing reversed shoulder head holder cannot firmly fix a reversed shoulder ball head, and the direction of the bottom surface of the ball head cannot be controlled in the process of mounting the ball head on the base. (2) The scapula is fully exposed in the operation, and after the basal seat is installed, the direction of the basal seat cannot be directly viewed due to narrow space. (3) The joint action of the 2 factors, in the operation process of the actual reverse shoulder joint system, tools are not adopted when the reverse shoulder ball head is installed in the existing shoulder joint prosthesis implantation operation, the reverse shoulder ball head is installed, the defects that the direction of the base seat is unstable, the metal base seat is not good in fitting degree with the metal reverse shoulder ball head, time and labor are wasted and the like often appear, an operator can difficultly place the ball head on the base seat, the operation is failed due to abnormal installation, even if the operation is repeatedly carried out, the operation is finally carried out correctly, and the operation time is prolonged. Therefore, how to invent a safe, rapid and stable head holder for shoulder joint system surgery is a technical problem to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to solve the problems that the direction of a base seat is not controlled stably, the fitting degree of a metal base seat and a metal reversed shoulder ball head is not good and the like in the shoulder joint prosthesis implantation operation.
In order to achieve the purpose, the invention adopts the following technical scheme: the reversed type head holder for the shoulder joint system operation comprises a first head holder and a second head holder, and is characterized in that the first head holder is provided with a first clamping head, the second head holder is provided with a second clamping head corresponding to the first clamping head, a base seat clamping space is formed between the first clamping head and the second clamping head, the first clamping head is connected to a first clamp handle of a clamp body of the head holder, and the second clamping head is connected to a second clamp handle of the clamp body of the head holder.
In the above reversed type shoulder joint system surgical head holder, the first holding head and the second holding head are both arc-shaped, and the first holding head and the second holding head are located on the same horizontal plane and have opposite opening directions, so as to form the above base holder holding space.
In the above-mentioned reversed type head holder for a shoulder joint system, the first holding head is connected to the first forceps handle through the first connecting portion, the second holding head is connected to the second forceps handle through the second connecting portion, and the first connecting portion and the second connecting portion are relatively obliquely arranged to form a multi-point reversed shoulder ball head holding space communicated with the base holding space, and the width of the multi-point reversed shoulder ball head holding space is gradually reduced from one end width communicated with the base holding space to the other end width.
In foretell reverse formula shoulder joint system operation head holder, first head holder including set up the first circular arc portion between first clamping head and first connecting portion, just first circular arc portion one end and first clamping head keep away from the middle part of opening one side and link to each other, the other end downwarping just links to each other with first connecting portion, first connecting portion be shaft-like and hold head holder orientation slope downwardly extending setting towards the second.
In foretell reverse formula shoulder joint system operation head holder, the second head holder include at least two and the second holding head be located same horizontal plane and the centre gripping connecting portion that link to each other, centre gripping connecting portion all towards keeping away from second holding head opening direction and extend the setting, the second connecting portion have two vertical settings and respectively with the connecting rod body that the centre gripping connecting portion one-to-one set up, connecting rod body upper end all link to each other through the one end that second clamping head was kept away from to second circular arc portion and centre gripping connecting portion, connecting rod body lower extreme all be connected with the coaxial vertical support bar that sets up downwards of connecting rod body, just vertical support bar all connect on the horizontal bracing piece of horizontal setting.
In the above-mentioned reversed type shoulder joint system operation head holder, the number of the clamping connection parts is two and the two clamping connection parts are arranged at two ends of the second clamping head in parallel, and one end of each clamping connection part is arranged to extend outwards along the tangential direction of the second clamping head or one end of each clamping connection part is arranged to intersect with the end part of the second clamping head; the multi-point type reverse shoulder ball head clamping device is characterized in that the number of the vertical supporting rods is two, the vertical supporting rods are formed by upwards bending two ends of the transverse supporting rod, the first connecting portion is obliquely arranged towards the middle of the transverse supporting rod, and the multi-point type reverse shoulder ball head clamping space is formed among the vertical supporting rods, the first connecting portion, the transverse supporting rod and the first clamp handle.
In the above inverted shoulder joint system surgical head holder, the first connecting part and/or the second connecting part is/are provided with an anti-slip component.
In the above-mentioned head holder for the reverse shoulder joint system operation, the anti-slip assembly includes a first rubber sleeve sleeved on the circumferential outer side of the first connecting portion, and second rubber sleeves are sleeved on the circumferential outer sides of the vertical supporting rod and the transverse supporting rod.
In the above-mentioned reverse shoulder joint system surgical head holder, the head holder body includes a first handle and a second handle, the middle parts of which are mutually crossed and are hinged through a hinge hole, one end of the first handle is coaxially connected with the first connecting part, the other end of the first handle is connected with the first handle through a first corner bent towards the same side direction close to the first head holder, the first handle is provided with a first holding part, one end of the second handle is connected with the middle part of the transverse support rod, the other end of the second handle is connected with the second handle through a second corner bent in the same direction as the first corner, and the second handle is provided with a second holding part.
In the reversed shoulder joint system operation head holder, a first included angle is formed between one end of the first forceps handle close to the first head holder and one end of the second forceps handle close to the second head holder, and the first included angle is 10-15 degrees; the second corner forms a second included angle, and the size of the second included angle is 140-160 DEG
Compared with the prior art, the invention has the advantages that:
1. the first clamping head and the second clamping head of the first head holder and the second head holder can clamp the bottom of the base seat, and when the included angle between the first head holder and the second head holder is 12 degrees, the first clamping head and the second clamping head can clamp a humerus head with the diameter of 36mm and the base seat with the diameter of 29mm, so that the humerus head is tightly attached to the base seat, the bottom surface direction of the head can be controlled, and complications can be avoided. The first clamping head and the second clamping head can play a role in firmly holding the basal seat in the inverted shoulder joint system operation.
2. The rubber sleeve on the first connecting part and the second connecting part is tightly attached to the surface of the anti-shoulder ball head, so that the friction force between the shoulder joint head holder and the surface of the anti-shoulder ball head is increased. The clamp handles on the first head holder and the second head holder and the transverse support rod can clamp the reverse shoulder ball head tightly, so that the reverse shoulder ball head is tightly attached to the base seat. When the reverse shoulder humerus head is installed, the first clamping head and the second clamping head can well control the direction of the base seat, and the interaction of the first clamping head, the second clamping head, the transverse supporting rod and the first clamp handle can enable the base seat to be tightly occluded with the humerus head, so that the defects that the time and labor are wasted when the reverse shoulder humerus head is installed and the direction of the bottom surface of the humerus head is difficult to control in the traditional method are overcome.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a first head holder and a second head holder according to the present invention;
FIG. 3 is a schematic structural view of another view angle of the first head holder and the second head holder according to the present invention;
FIG. 4 is a schematic structural diagram of a first head holder and a second head holder in a working state of the present invention;
in the figure: the head holder comprises a first head holder 1, a first clamping head 11, a first connecting portion 12, a first arc portion 13, a second head holder 2, a second clamping head 21, a second connecting portion 22, a clamping connecting portion 23, a connecting rod body 24, a second arc portion 25, a vertical supporting rod 26, a transverse supporting rod 27, a base seat clamping space 3, a head holder clamp body 4, a first clamp handle 41, a second clamp handle 42, a hinge hole 43, a first rotating angle 44, a first handle 45, a first holding portion 46, a second rotating angle 47, a second handle 48, a second holding portion 49, a multi-point type reverse shoulder ball head clamping space 5, an anti-slip assembly 6, a first rubber sleeve 61, a second rubber sleeve 62, a base seat 7, a reverse shoulder ball head 8, a first included angle alpha and a second included angle beta.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 4, the reversed type shoulder joint system operation head holder comprises a first head holder 1 and a second head holder 2, wherein the first head holder 1 is provided with a first holding head 11, the second head holder 2 is provided with a second holding head 21 corresponding to the first holding head 11, a base holder clamping space 3 is formed between the first holding head 11 and the second holding head 21, the first holding head 11 is connected to a first handle 41 of a head holder clamp body 4, and the second holding head 21 is connected to a second handle 42 of the head holder clamp body 4. Preferably, the first clamping head 11 and the second clamping head 21 are both arc-shaped, for example, the first clamping head 11 may be minor arc-shaped, and the second clamping head 21 may be major arc-shaped or semi-circular, and the first clamping head 11 and the second clamping head 21 are located on the same horizontal plane and have opposite opening directions so as to form the substrate holder clamping space 3. Obviously, the radiuses of the first clamping head 11 and the second clamping head 21 of the inverted shoulder joint system in the operation are the same as the radius of the bottom of the base seat 7, so that the bottom of the base seat 7 can be clamped, the holding firmness is improved, convenience is brought to the operation, and the inverted shoulder joint system has the advantages of convenience in use, safety and reliability. The bottom surface direction of the reversed-shoulder ball head 8 can be adjusted, and the defects that the bottom surface direction of the ball head cannot be controlled by the traditional reversed-shoulder head holder and the like are overcome.
Preferably, a first included angle alpha is formed between one end of the first forceps handle 41 close to the first head holder 1 and one end of the second forceps handle 42 close to the second head holder 2, and the size of the first included angle alpha is 10-15 degrees; when the first included angle α is 12 °, the first holding head 11 and the second holding head 21 can hold a humerus head with a diameter of 36mm and a base seat 7 with a diameter of 29mm, so that the humerus head is tightly attached to the base seat 7, which is beneficial to controlling the bottom surface direction of the head, and overcomes the defect of untight attachment between the humerus head and the base seat 7 in the conventional method.
Further, the first clamping head 11 is connected with the first clamp handle 41 through the first connecting portion 12, the second clamping head 21 with the length of 16mm of the first connecting portion 12 is connected with the second clamp handle 42 through the second connecting portion 22, the first connecting portion 12 and the second connecting portion 22 are relatively obliquely arranged to form the multi-point type reverse shoulder ball-head clamping space 5 communicated with the substrate holder clamping space 3, and the multi-point type reverse shoulder ball-head clamping space 5 is gradually reduced from one end width communicated with the substrate holder clamping space 3 to the other end width.
Wherein, first holding first ware 1 is including setting up first circular arc portion 13 between first holding head 11 and first connecting portion 12, and first circular arc portion 13 radius is 1.5mm and first circular arc portion 13 one end links to each other with the middle part that opening one side was kept away from to first holding head 11, and the other end downwarping just links to each other with first connecting portion 12, and first connecting portion 12 is shaft-like and holds 2 direction slopes downwardly extending settings of first ware towards the second.
Preferably, the second head holder 2 herein comprises at least two clamping connection portions 23 located on the same horizontal plane and connected to the second clamping head 21, the clamping connection portions 23 are all extended towards the direction away from the opening of the second clamping head 21, the second connection portion 22 has two connection rod bodies 24 longitudinally arranged and respectively arranged in one-to-one correspondence with the clamping connection portions 23, the upper ends of the connection rod bodies 24 are all connected to the end of the clamping connection portion 23 away from the second clamping head 21 through second circular arc portions 25, and the radius of the second circular arc portions 25 is 1.5mm, so as to enhance the holding effect on the humeral head.
Preferably, the lower ends of the connecting rod bodies 24 are connected with vertical support rods 26 which are coaxially and downwardly arranged with the connecting rod bodies 24, the connecting rod bodies 24 are cylindrical structures, the radius of the connecting rod bodies is 2mm, the length of the connecting rod bodies is 16mm, and the vertical support rods 26 are connected with transverse support rods 27 which are transversely arranged. The vertical supporting rod 27 is of a cylindrical structure, the radius of the vertical supporting rod is 2.5mm, the length of the vertical supporting rod is 52.5mm, the vertical supporting rod is upwards connected with the rod body 24, and the vertical supporting rod is downwards changed into the horizontal supporting rod 27. The transverse supporting rod 27 is of a cylindrical structure, the radius of the transverse supporting rod is 2.5mm, and the length of the transverse supporting rod is 35mm.
In this embodiment, the number of the clamping connection portions 23 is two, and the two clamping connection portions are arranged at two ends of the second clamping head 21 in parallel, one end of each clamping connection portion 23 extends outwards along a tangential direction of the second clamping head 21, or one end of each clamping connection portion 23 is arranged to intersect with an end portion of the second clamping head 21; the number of the vertical supporting rods 26 is two, the vertical supporting rods 26 are formed by bending the two ends of the transverse supporting rods 27 upwards, the first connecting portions 12 are arranged in an inclined mode towards the middle of the transverse supporting rods 27, and the multi-point type reverse shoulder ball head clamping space 5 is formed among the vertical supporting rods 26, the first connecting portions 12, the transverse supporting rods 27 and the first clamp handles 41.
Furthermore, the first connecting portion 12 and/or the second connecting portion 22 are provided with the anti-skid assembly 6. The anti-slip assembly 6 includes a first rubber sleeve 61 sleeved on the circumferential outer side of the first connecting portion 12, and a second rubber sleeve 62 is sleeved on the circumferential outer side of the vertical supporting rod 26 and the horizontal supporting rod 27. The friction force between the shoulder joint head holder and the surface of the anti-shoulder ball head 8 is increased.
The head holder clamp body 4 in this embodiment comprises a first clamp handle 41 and a second clamp handle 42 which are arranged in a mutually crossed manner in the middle and are hinged through a hinge hole 43, the hinge hole 43 is eccentrically arranged and is closer to the transverse support rod 27, so that the resistance arm can be reduced, the power arm can be increased, and the labor-saving effect can be achieved.
The first forceps handle 41 and the second forceps handle 42 are cylindrical structures, the radius of the first forceps handle 41 and the radius of the second forceps handle 42 are 2.5mm, the center of the circle of the hinge hole 43 is 61.2mm away from the top ends of the first forceps handle 41 and the second forceps handle 42, and the distance from the center of the circle of the hinge hole 43 to the center of the second holding portion 49 is 135.9mm.
Preferably, one end of the first handle 41 is coaxially connected to the first connection portion 12, and the other end of the first handle is connected to a first handle 45 through a first corner 44 that is bent toward the same side direction near the first head holder 1, where the first corner 44 is 120 °, and has an arc-shaped structure, an inner diameter of 34.6mm, an outer diameter of 45.2mm, and is a connection structure between the first handle 41 and the first handle 45, the first handle 45 is provided with a first holding portion 46, and the first holding portion 46 has an annular structure, an inner diameter of 20mm, and an outer diameter of 25mm, and can accommodate the entry of a thumb.
Preferably, one end of the second forceps handle 42 is connected to the middle of the transverse support rod 27, and the other end of the second forceps handle 42 is connected to the second handle 48 through a second corner 47 bent in the same direction as the first corner 44, the second corner 47 is in an arc-shaped structure, the second corner 47 has an angle of 150 °, an inner diameter of 34.6mm, and an outer diameter of 45.2mm. And a second grip portion 49 is provided on the second handle 48. The second holding part 49 is of a circular ring structure, the inner diameter of the second holding part is 20mm, and the outer diameter of the second holding part is 25mm. The second angle of rotation 47 forms a second included angle β, and the second included angle β is 150 °.
The principle of the embodiment is as follows: the first clamping head 11 and the second clamping head 21 can play a role in firmly holding the basal seat 7 in the inverted shoulder joint system operation. The first rubber sleeve 61 positioned on the first connecting part 12, the second rubber sleeve 62 positioned on the vertical supporting rod 26 and the horizontal supporting rod 27 are tightly attached to the surface of the anti-shoulder ball head 8, so that the friction force between the shoulder joint head holder and the surface of the anti-shoulder ball head 8 is increased. The transverse support rod 27 and the first clamp handle 41 respectively positioned on the first head holder 1 and the second head holder 2 can clamp the reverse shoulder ball 8, so that the reverse shoulder ball 8 is tightly attached to the base seat 7. The direction of the bottom surface of the reverse shoulder ball head 8 can be controlled when the reverse shoulder humerus head is installed, the interaction of the first connecting part 12, the vertical supporting rod 26, the transverse supporting rod 27 and the first forceps handle 41 can enable the base seat 7 to be tightly occluded with the reverse glenoid head, the defects that the time and labor are wasted when the reverse shoulder ball head 8 is installed and the direction of the bottom surface of the ball head is difficult to control in the traditional method are overcome, convenience is provided for the operation, and the reverse shoulder humerus head clamp has the advantages of convenience in use, safety and reliability.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although the terms of the first head holder 1, the first clamping head 11, the first connecting portion 12, the first arc portion 13, the second head holder 2, the second clamping head 21, the second connecting portion 22, the clamping connecting portion 23, the connecting rod body 24, the second arc portion 25, the vertical supporting rod 26, the lateral supporting rod 27, the base clamping space 3, the head holder clamp body 4, the first clamp handle 41, the second clamp handle 42, the hinge hole 43, the first corner 44, the first handle 45, the first holding portion 46, the second corner 47, the second handle 48, the second holding portion 49, the multi-point reverse shoulder ball clamping space 5, the anti-slip component 6, the first rubber sleeve 61, the second rubber sleeve 62, the base 7, the reverse shoulder ball 8, the first included angle α, the second included angle β, and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims (9)

1. The inverted head holder for the shoulder joint system surgery comprises a first head holder (1) and a second head holder (2), and is characterized in that the first head holder (1) is provided with a first clamping head (11), the second head holder (2) is provided with a second clamping head (21) corresponding to the first clamping head (11), the first clamping head (11) is in a minor arc shape, the second clamping head (21) is in a major arc shape or a semicircular ring shape, a base seat clamping space (3) is formed between the first clamping head (11) and the second clamping head (21), the first clamping head (11) is connected to a first clamp handle (41) of a head holder clamp body (4), and the second clamping head (21) is connected to a second clamp handle (42) of the head holder clamp body (4); the first clamping head (11) is connected with a first clamp handle (41) through a first connecting part (12), the second clamping head (21) is connected with a second clamp handle (42) through a second connecting part (22), the first connecting part (12) and the second connecting part (22) are oppositely and obliquely arranged to form a multi-point type reverse shoulder ball head clamping space (5) communicated with the base seat clamping space (3), and the width of the multi-point type reverse shoulder ball head clamping space (5) is gradually reduced from one end width communicated with the base seat clamping space (3) to the other end width; the second head holder (2) comprises two clamping connecting parts (23) connected with the second clamping head (21), the number of the clamping connecting parts (23) is two, the second connecting parts (22) are provided with two connecting rod bodies (24) which are longitudinally arranged and respectively arranged in one-to-one correspondence with the clamping connecting parts (23), the upper ends of the connecting rod bodies (24) are connected with the clamping connecting parts (23), the lower ends of the connecting rod bodies (24) are connected with vertical supporting rods (26) which are coaxially and downwardly arranged with the connecting rod bodies (24), and the vertical supporting rods (26) are connected to transverse supporting rods (27) which are transversely arranged; the multi-point type reversed shoulder ball head clamping device is characterized in that the number of the vertical supporting rods (26) is two, the two ends of each vertical supporting rod (26) are formed by bending the two ends of each transverse supporting rod (27), the first connecting portion (12) is arranged towards the middle of each transverse supporting rod (27) in an inclined mode, and the multi-point type reversed shoulder ball head clamping space (5) is formed among the vertical supporting rods (26), the first connecting portions (12), the transverse supporting rods (27) and the first clamp handles (41).
2. The inverted shoulder system surgical handpiece apparatus according to claim 1, wherein the first holding head (11) and the second holding head (21) are located on the same horizontal plane and have their openings facing each other to form the base holding space (3).
3. The inverted type shoulder joint system operation head holder according to claim 2, wherein the first head holder (1) comprises a first arc portion (13) arranged between the first clamping head (11) and the first connecting portion (12), one end of the first arc portion (13) is connected with the middle portion of the side, away from the opening, of the first clamping head (11), the other end of the first arc portion is bent downwards and connected with the first connecting portion (12), and the first connecting portion (12) is rod-shaped and extends downwards in an inclined manner towards the second head holder (2).
4. The inverted shoulder joint system surgical head holder according to claim 3, wherein the clamping connecting portion (23) and the second clamping head (21) are located at the same horizontal plane, the clamping connecting portion (23) extends towards the direction away from the opening of the second clamping head (21), and the upper end of the connecting rod body (24) is connected with the end of the clamping connecting portion (23) away from the second clamping head (21) through the second arc portion (25).
5. The inverted shoulder joint system operation head holder according to claim 4, wherein the clamping connecting parts (23) are arranged at two ends of the second clamping head (21) in parallel, one end of the clamping connecting part (23) extends outwards along the tangential direction of the second clamping head (21) or one end of the clamping connecting part (23) is arranged to intersect with the end of the second clamping head (21).
6. Inverted shoulder surgical handpiece according to claim 4 or 5, characterized in that the first connection (12) and/or the second connection (22) is provided with an anti-slip element (6).
7. The inverted shoulder joint system surgical head holder according to claim 6, wherein the anti-slip assembly (6) comprises a first rubber sleeve (61) sleeved on the circumferential outer side of the first connecting portion (12), and a second rubber sleeve (62) is sleeved on the circumferential outer sides of the vertical supporting rod (26) and the transverse supporting rod (27).
8. The inverted shoulder joint system surgical head holder according to claim 6, wherein the head holder body (4) comprises a first holder handle (41) and a second holder handle (42) which are arranged with their middle portions crossed with each other and are hinged through a hinge hole (43), one end of the first holder handle (41) is coaxially connected with the first connecting portion (12), the other end of the first holder handle is connected with a first handle (45) through a first corner (44) bent toward the same side direction as the first head holder (1), the first handle (45) is provided with a first holding portion (46), one end of the second holder handle (42) is connected with the middle portion of the transverse support rod (27), the other end of the second holder handle (42) is connected with a second handle (48) through a second corner (47) bent in the same direction as the first corner (44), and the second handle (48) is provided with a second holding portion (49).
9. The inverted shoulder surgery handpiece of claim 8, wherein a first included angle (α) is formed between the end of the first forceps handle (41) close to the first handpiece (1) and the end of the second forceps handle (42) close to the second handpiece (2), and the first included angle (α) is 10-15 degrees; the second included angle (beta) is formed by the second rotating angle (47), and the size of the second included angle (beta) is 140-160 degrees.
CN202111221995.0A 2021-10-20 2021-10-20 Reverse head holder for shoulder joint system operation Active CN114099095B (en)

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Citations (2)

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US6585771B1 (en) * 1998-03-26 2003-07-01 Ceramtec Ag Innovative Ceramic Engineering Device for handling ball heads of joint prostheses
US8262667B1 (en) * 2007-02-23 2012-09-11 Holmed Corporation Multi-diameter implant forceps

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US8162947B2 (en) * 2007-04-04 2012-04-24 Arthrex, Inc. Dome shaped implant and inserter
US9833327B2 (en) * 2009-03-20 2017-12-05 DePuy Synthes Products, Inc. Glenoid component for use in shoulder arthroplasty
US20120059407A1 (en) * 2010-08-05 2012-03-08 Isch Bryce Alan Multi-prong forceps
US10206790B2 (en) * 2016-12-15 2019-02-19 Jamal Boughanem Shoulder replacement/arthroplasty glenoid prosthesis compression device

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Publication number Priority date Publication date Assignee Title
US6585771B1 (en) * 1998-03-26 2003-07-01 Ceramtec Ag Innovative Ceramic Engineering Device for handling ball heads of joint prostheses
US8262667B1 (en) * 2007-02-23 2012-09-11 Holmed Corporation Multi-diameter implant forceps

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