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CN116211549A - Femoral prosthesis and use method - Google Patents

Femoral prosthesis and use method Download PDF

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Publication number
CN116211549A
CN116211549A CN202310114302.0A CN202310114302A CN116211549A CN 116211549 A CN116211549 A CN 116211549A CN 202310114302 A CN202310114302 A CN 202310114302A CN 116211549 A CN116211549 A CN 116211549A
Authority
CN
China
Prior art keywords
main body
connecting plate
femoral prosthesis
femoral
wire
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
CN202310114302.0A
Other languages
Chinese (zh)
Inventor
马广文
常俊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Public Health Clinical Center Anhui Infectious Diseases Hospital
Original Assignee
Anhui Public Health Clinical Center Anhui Infectious Diseases Hospital
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anhui Public Health Clinical Center Anhui Infectious Diseases Hospital filed Critical Anhui Public Health Clinical Center Anhui Infectious Diseases Hospital
Priority to CN202310114302.0A priority Critical patent/CN116211549A/en
Publication of CN116211549A publication Critical patent/CN116211549A/en
Priority to PCT/CN2023/123891 priority patent/WO2024159798A1/en
Priority to CN202380013645.6A priority patent/CN118804727A/en
Pending legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/28—Bones
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/30721—Accessories
    • A61F2/30749—Fixation appliances for connecting prostheses to the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/32—Joints for the hip
    • A61F2/36—Femoral heads ; Femoral endoprostheses
    • A61F2/3607—Femoral heads ; Femoral endoprostheses including proximal or total replacement of the femur
    • 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
    • A61F2/32—Joints for the hip
    • A61F2/36—Femoral heads ; Femoral endoprostheses
    • A61F2/3662—Femoral 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
    • A61F2/28—Bones
    • A61F2002/2825—Femur
    • 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
    • A61F2/28—Bones
    • A61F2002/2825—Femur
    • A61F2002/2828—Femoral head
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2002/30331—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementarily-shaped recess, e.g. held by friction fit
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2002/30934—Special articulating surfaces
    • 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
    • A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2220/0008—Fixation appliances for connecting prostheses to the body

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 invention discloses a femoral prosthesis, which comprises a main body and columnar bulges arranged at the end part of the main body, wherein the main body is a femoral stem prosthesis, the upper part of the main body is thick and the lower part of the main body is thin, the bulges are used for connecting the femoral head prosthesis, a biological layer is circumferentially arranged at the near bone end of the main body, an upward strip-shaped connecting plate is arranged at the back part of the upper end of the main body, and a line hole for suturing muscles is formed in the connecting plate. The connecting plate is positioned at the back and the end part of the main body and extends along the inclined direction of the back, so that the muscle is conveniently sutured and fixed, the muscle and the bone are better fixed together, and the muscle and the bone are better fixed together.

Description

Femoral prosthesis and use method
Technical Field
The invention relates to the field of femoral prosthesis fixation, in particular to a femoral prosthesis and a using method thereof.
Background
The advanced intertrochanter fracture of femur has been a clinical problem, and the conventional proximal intramedullary nail of femur is fixed by operation, so that the initial stability of fracture can be realized only, and the treatment target of the old patient for bearing weight after operation can not be reached. Hip replacements often fail treatment due to lack of effective fixation of the proximal end of the prosthesis. There is a need in clinic to design a new way of fixing joint prosthesis, which can effectively fix the distal and proximal ends of the prosthesis in the environment of advanced osteoporosis. The new prosthesis improvement scheme not only achieves the early postoperative load, but also resets and stabilizes the femoral trochanter again, thereby accelerating the postoperative rehabilitation of senile hip fracture and providing a new treatment mode for the femoral intertrochanteric fracture of senile osteoporosis.
Disclosure of Invention
The invention aims to provide a femoral prosthesis and a using method thereof, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a femoral prosthesis, includes the main part and sets up the columnar bulge at the main part tip, and the main part is femoral stem prosthesis, goes up thick and thin down, and the arch is used for connecting femoral head prosthesis, the nearly bone end circumference of main part is provided with the biological layer, and main part upper end back is provided with the connecting plate of ascending bar, and is provided with the line hole of sewing up the muscle on the connecting plate. The connecting plate is positioned at the back and the end part of the main body and extends along the inclined direction of the back, so that the muscle is conveniently sutured and fixed, the muscle and the bone are better fixed together, and the muscle and the bone are better fixed together.
Preferably, the four wire holes are symmetrically arranged. The upper two, the lower two, the fixed position can be changed.
Preferably, a wire groove corresponding to the wire hole and preventing the wire from sliding is arranged on the circumference of the connecting plate. The wire sliding is avoided, and the wire slot passes through the wire hole.
Preferably, the biological layer extends onto the connection plate. The fixing capability of the connecting plate is improved.
Preferably, the distance between the end of the connection plate and the top of the protrusion is 5mm. The femoral head prosthesis on the upper side is convenient to connect, and interference is avoided.
Preferably, the vertical height of the main body is 130 mm-145 mm. Compared with the general height in the market, the fixing effect is better when the height is 30mm longer, the effect is better when the height is used for osteoporosis, the insertion depth is large, and the effect is better, and of course, if the height is small, the height can be reduced in the same proportion, and the height is 30mm more than the general height in the market.
A method of use for the above femoral prosthesis comprising the steps of:
filling bone cement into the medullary cavity;
the body is inserted into the bone cement.
Compared with the prior art, the invention has the beneficial effects that:
1. the biological layer is arranged on the main body, after the biological layer is inserted into the medullary cavity, the lower side is fixed through cement, the upper side is fixed through the biological layer, the cement ensures the bottom to be stable, and the upper biological layer can be better combined with the medullary cavity to ensure the stability;
2. the connecting plate is arranged on the main body, and can fix muscles and bones through the ropes, so that the fixing effect is better for osteoporosis patients, and a complete fixing system is formed by combining the fixation of the bottom of the main body;
3. the baffle ring is arranged on the main body, so that cement is prevented from spreading on the biological layer;
4. the cement holes and the through holes are arranged, so that the cement can be discharged conveniently;
5. the arrangement of the connecting pipe and the guide pipe is convenient for guiding out the cement.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a right side view of the present invention;
fig. 3 is an isometric view of the present invention.
In the figure: 1. a main body; 11. a biological layer; 2. a connecting plate; 21. a wire hole; 22. wire slot.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 3, the present invention provides a femoral prosthesis technical solution: the utility model provides a femoral prosthesis, includes main part 1 and sets up the columnar bulge at main part 1 tip, and main part 1 is femoral stem prosthesis, and upper and lower is thin, and the arch is used for connecting femoral head prosthesis, and the nearly bone end circumference of main part 1 is provided with biological layer 11, and the connecting plate 2 of the upper end back of main part 1 is provided with ascending bar, and is provided with the line hole 21 of sewing up the muscle on the connecting plate 2. The connection plate 2 is positioned at the back and end of the main body 1 and extends in an inclined direction of the back, thus facilitating the suture fixation of the muscles and better fixing the muscles and bones together. Four wire holes 21 are symmetrically arranged. The upper two, the lower two, the fixed position can be changed. The connection plate 2 is provided with a wire groove 22 corresponding to the wire hole 21 to prevent the wire from sliding in the circumferential direction. The wire grooves 22 pass through the wire holes 21 while preventing the wire from sliding. The biological layer 11 extends onto the connection plate 2. The fixing ability of the connection plate 2 is improved.
The distance between the end of the web 2 to the top of the protrusion is 5mm. The femoral head prosthesis on the upper side is convenient to connect, and interference is avoided.
The vertical height of the main body 1 is 130mm to 145mm. Compared with the general height in the market, the fixing effect is better when the height is 30mm longer, the effect is better when the height is used for osteoporosis, the insertion depth is large, and the effect is better, and of course, if the height is small, the height can be reduced in the same proportion, and the height is 30mm more than the general height in the market.
Can also set up the spillway hole in main part 1, spill the hole and lie in biological layer 11's downside, and spill the hole and upwards wear out through main part 1 inboard to discharge unnecessary bone cement, simultaneously, can also set up annular recess, the recess is located biological layer 11 downside, and spill the inner in hole and lie in the recess, spill the inner in hole and can be the scattering form, set up two or four from beginning to end, improve and spill the effect.
A method of use for the above femoral prosthesis comprising the steps of:
filling bone cement into the medullary cavity;
the body 1 is inserted into bone cement.
Working principle: after the biological layer 11 is arranged on the main body 1 and inserted into the medullary cavity, the lower side is fixed through cement, the upper side is fixed through the biological layer 11, the bottom of the cement guarantee is stable, the upper biological layer 11 can be better combined with the medullary cavity to ensure stability, the connecting plate 2 is arranged on the main body 1, the connecting plate 2 can fix muscles and bones through ropes, the fixing effect is better for osteoporosis patients, and a complete fixing system is formed by combining the fixation of the bottom of the main body 1.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A femoral prosthesis comprising a main body (1) and a columnar protrusion arranged at the end part of the main body (1), which is characterized in that: the near bone end circumference of main part (1) is provided with biological layer (11), and main part (1) upper end back is provided with connecting plate (2) of ascending bar, and is provided with on connecting plate (2) suture muscle's line hole (21).
2. A femoral prosthesis according to claim 1, wherein: the four wire holes (21) are symmetrically arranged.
3. A femoral prosthesis according to claim 2, wherein: a wire groove (22) which corresponds to the wire hole (21) and prevents the wire from sliding is arranged on the circumference of the connecting plate (2).
4. A femoral prosthesis according to claim 1, wherein: the biological layer (11) extends onto the connection plate (2).
5. A femoral prosthesis according to claim 1, wherein: the distance between the end of the connecting plate (2) and the top of the bulge is 5mm.
6. A femoral prosthesis according to claim 1, wherein: the vertical height of the main body (1) is 130 mm-145 mm.
7. A method of use for a femoral prosthesis according to any one of claims 1 to 6, comprising the steps of:
filling bone cement into the medullary cavity;
a main body (1) is inserted into bone cement.
CN202310114302.0A 2023-02-02 2023-02-02 Femoral prosthesis and use method Pending CN116211549A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN202310114302.0A CN116211549A (en) 2023-02-02 2023-02-02 Femoral prosthesis and use method
PCT/CN2023/123891 WO2024159798A1 (en) 2023-02-02 2023-10-11 Prosthesis for suturing muscle to femur
CN202380013645.6A CN118804727A (en) 2023-02-02 2023-10-11 A prosthesis that sutures muscle to femur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310114302.0A CN116211549A (en) 2023-02-02 2023-02-02 Femoral prosthesis and use method

Publications (1)

Publication Number Publication Date
CN116211549A true CN116211549A (en) 2023-06-06

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Family Applications (2)

Application Number Title Priority Date Filing Date
CN202310114302.0A Pending CN116211549A (en) 2023-02-02 2023-02-02 Femoral prosthesis and use method
CN202380013645.6A Pending CN118804727A (en) 2023-02-02 2023-10-11 A prosthesis that sutures muscle to femur

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN202380013645.6A Pending CN118804727A (en) 2023-02-02 2023-10-11 A prosthesis that sutures muscle to femur

Country Status (2)

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CN (2) CN116211549A (en)
WO (1) WO2024159798A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024159798A1 (en) * 2023-02-02 2024-08-08 安徽省公共卫生临床中心(安徽省传染病医院) Prosthesis for suturing muscle to femur

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CH659580A5 (en) * 1983-06-07 1987-02-13 Sulzer Ag THE BIG TROCHANT REPLACING IMPLANT.
EP0269745B1 (en) * 1986-05-15 1993-08-18 Sumitomo Cement Co. Ltd. Bone prosthesis
GB9122937D0 (en) * 1991-10-30 1991-12-18 Depuy Int Ltd A femoral prosthesis
US7435263B2 (en) * 2003-09-30 2008-10-14 Depuy Products, Inc. Modular long bone prosthesis for partial or total bone replacement
CN101472564A (en) * 2006-06-22 2009-07-01 比奥米瑞斯公司 High performance reticulated elastomeric matrix
WO2021013923A1 (en) * 2019-07-24 2021-01-28 Waldemar Link Gmbh & Co. Kg Combination of graft and replacement piece for filling a bone defect
WO2021053004A1 (en) * 2019-09-18 2021-03-25 Waldemar Link Gmbh & Co. Kg Modular prosthesis for at least partial replacement of a tubular bone adjoining a joint
CN115531046A (en) * 2020-10-12 2022-12-30 王建平 Semi-customized combined type hip joint femoral tumor prosthesis
CN116211549A (en) * 2023-02-02 2023-06-06 安徽省公共卫生临床中心(安徽省传染病医院) Femoral prosthesis and use method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024159798A1 (en) * 2023-02-02 2024-08-08 安徽省公共卫生临床中心(安徽省传染病医院) Prosthesis for suturing muscle to femur

Also Published As

Publication number Publication date
CN118804727A (en) 2024-10-18
WO2024159798A1 (en) 2024-08-08

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