WO2016144273A1 - Implant d'augmentation de surface pour éléments de retenue de fil - Google Patents

Implant d'augmentation de surface pour éléments de retenue de fil Download PDF

Info

Publication number
WO2016144273A1
WO2016144273A1 PCT/TR2015/000095 TR2015000095W WO2016144273A1 WO 2016144273 A1 WO2016144273 A1 WO 2016144273A1 TR 2015000095 W TR2015000095 W TR 2015000095W WO 2016144273 A1 WO2016144273 A1 WO 2016144273A1
Authority
WO
WIPO (PCT)
Prior art keywords
wire
bone
retainer
retainers
screw
Prior art date
Application number
PCT/TR2015/000095
Other languages
English (en)
Inventor
Emre KARADENİZ
Original Assignee
Karadeni̇z Emre
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 Karadeni̇z Emre filed Critical Karadeni̇z Emre
Priority to PCT/TR2015/000095 priority Critical patent/WO2016144273A1/fr
Publication of WO2016144273A1 publication Critical patent/WO2016144273A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/84—Fasteners therefor or fasteners being internal fixation devices
    • A61B17/86—Pins or screws or threaded wires; nuts therefor
    • A61B17/8695—Washers

Definitions

  • the invention is related to an orthopedic Implant which increases the contact area on the bone surface for wire retainers that fasten the Klrschner wire used for fastening and treating fractured bones by being passed through the bone in the field of orthopedic surgery.
  • K-wire Klrschner wire
  • screw screw
  • plate-screw intramedullary nail
  • external fastening The purpose of such techniques is to hold the fractured bone pieces in the desired position until fracture healing.
  • K-wire Klrschner wire
  • screw plate-screw
  • intramedullary nail intramedullary nail
  • external fastening The purpose of such techniques is to hold the fractured bone pieces in the desired position until fracture healing.
  • ⁇ 5 The advantages and disadvantages of these techniques vary according to the type of fracture and they shape the treatment plan of the surgeon.
  • these straight wires are made to pass between the bone pieces, whereby 0 the broken bones are fastened.
  • fractured bone pieces may move back and forth through the wire since the wires cannot provide compression between fractured bone pieces,
  • these wires may also move after being placed into the body.
  • the fractured bone pieces are placed into their 5 original places first. Compression between the pieces is obtained according to the principle of forming mutual force between the screw head and the screw threads, which is the working principle of screw, in this technique, it is required to increase the dimensions of the screw in order to increase the attachment and compression force between the pieces. However, if the bone pieces are small in size, the dimension of the screw cannot be increased. Due to the 30 screw dimension, there may be no space left to locate an additional screw between the pieces. Moreover, as a surgical technique, first the bone is drilled with a drill, and then grooves are opened for screw threads (tapping), subsequent to which the screw is located Additionally, prior to these processes, sometimes k-wire is needed to be placed to guide the screw.
  • the main object of the invention is to provide an apparatus in order to prevent the "wire retainers", subject matter of an examined patent, from impaction into the bone by being fitted in a larger surface on the bone tissue.
  • the object of the invention is to heal the fractured bones by gi ing minimum harm to the bones and the surrounding soft tissues by way of using the wire retainers with percutaneous techniques.
  • An object of the invention is to allow for fastening after reducing by means of thin wires by providing compression at the fracture line, and thus to make it possible to compress tiny fractured bone pieces.
  • An object of the invention is to permit the use of thin k-wires for both compression and support purposes by the virtue of "A wire retainer".
  • Another object of the invention is to eliminate the important problem of "penetrating of small parts" in fractures in the vicinity of the joints, e.g. knees, by allowing the use thereof for treatment. Thick grooves are opened on the bone pieces so as to place the screw.
  • An object of the invention is to minimize the problem of formation of new fractures due to these thick grooves by the usage of k-wires, which are much thinner than these grooves.
  • Another object of the invention is to allow for providing compression over the wire by using the same along with "A wire retainer" according to the Application No. 2010/05662 in cases where the bone anatomy does not allow the usage of thick fastening elements, as in the case of fractures around the elbow.
  • Yet another object of the invention is to perform the surgery without requiring such processes as tapping and drilling.
  • Another object of the invention is to provide a larger bearing surface for wire retainers in order to prevent the "wire retainers" placed on the bone tissue from impaction into the bone by crushing the bone surface onto which they are fitted, during compression of the parts.
  • Fig. 1 is the overall view of the surface increasing apparatus according to the invention.
  • Fig. 2 is the overall view of the surface increasing apparatus according to the invention from another angle.
  • Fig. 3 shows the surface increasing apparatus according to the invention when positioned under the wire retainer for performing compression, as well as showing the working principle thereof together with the gripper,
  • Working cannula is an apparatus which
  • the squeezing apparatus is a component which comprises a formed tip which is seated in the grooves in the upper part (3) of the retainer (R) by passing therethrough; and which tightens-locks or loosens-removes the retainer (R) on the bone surface by rotating the screw system of the retainer (R).
  • the gripper is a component which comprises a formed tip which prevents the release of the retainer (R) by passing through the working cannula and which is formed in accordance with the shape of the retainer (R) in order to fully contact with the wire retainer (R).
  • the present invention is used together with "A wire retainer" according to the Application No. 2010/05662, which has been granted an examined patent certificate by Turkish Patent Institute and which is used for fastening the broken bones.
  • the surface increasing implant i.e. washer (W) ⁇ generally consists of the following in order to be used for pushing the retainer (R) until the bone along the working corridor formed by the working cannula by means of a gripper (G), and for use prior to compression by means of the squeezing apparatus (S) in a way to perform positioning properly; - a k-wire hole ⁇ 2 ⁇ through which the k-wire is passed and which allows the washer (VV) to be advanced until the bone over the k-wire, and
  • a wire retainer Since the dimensions of "A wire retainer” are equal to the size of screw heads, the retainer (R) occupies less space compared to the plates located onto the broken bones and the problem of feeling the retainer (R) under the skin with hand is less experienced. Because the compression force provided by threads in screws requires attachment to the bone marrow; the usage thereof causes difficulties in patients with low bone quality. However, as “A wire retainer” provides attachment over the bone cortex, it provides very important advantages in terms of use in patients with low bone quality, e.g. patients with osteoporosis. Since cortical attachment is provided by "A wire retainer", the problem of dislocation of retainers (R) is eliminated.
  • the wire retainer washer (W) has been developed for increasing the seating, i.e. bearing, area on the bone surface before the retainer (R) according to the application titled "A wire retainer” is located onto the desired location on the bone properly (Fig. 3).
  • the k-wire hole (2) may be thinner, thicker, or eccentrically located, depending on the thickness of the k-wire to be used.
  • the bearing surface (1) according to the invention may have a shape other than circle (e.g. hexagonal, rectangle) and a different thickness.

Landscapes

  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Neurology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)

Abstract

L'invention concerne un implant orthopédique, tel qu'une rondelle, qui augmente la zone de contact d'un élément de retenue de fil avec la surface d'os pendant les processus de poussée des éléments de retenue de fil, qui fixent la broche de Kirschner utilisée pour fixer et traiter des os fracturés par passage à travers l'os, jusqu'à la surface d'os; positionner lesdits éléments de retenue sur la surface d'os, et étirer la broche de Kirschner, dans le domaine de chirurgie orthopédique.
PCT/TR2015/000095 2015-03-10 2015-03-10 Implant d'augmentation de surface pour éléments de retenue de fil WO2016144273A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/TR2015/000095 WO2016144273A1 (fr) 2015-03-10 2015-03-10 Implant d'augmentation de surface pour éléments de retenue de fil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/TR2015/000095 WO2016144273A1 (fr) 2015-03-10 2015-03-10 Implant d'augmentation de surface pour éléments de retenue de fil

Publications (1)

Publication Number Publication Date
WO2016144273A1 true WO2016144273A1 (fr) 2016-09-15

Family

ID=52875210

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/TR2015/000095 WO2016144273A1 (fr) 2015-03-10 2015-03-10 Implant d'augmentation de surface pour éléments de retenue de fil

Country Status (1)

Country Link
WO (1) WO2016144273A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2324964A (en) * 1997-05-08 1998-11-11 Isis Innovation Bone fixation device
US6302887B1 (en) * 1998-07-20 2001-10-16 Joseph John Spranza Hardware for high strength fastening of bone
TR201005662A1 (tr) 2010-07-12 2012-01-23 Karadeni̇z Emre Bir tel tutucusu.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2324964A (en) * 1997-05-08 1998-11-11 Isis Innovation Bone fixation device
US6302887B1 (en) * 1998-07-20 2001-10-16 Joseph John Spranza Hardware for high strength fastening of bone
TR201005662A1 (tr) 2010-07-12 2012-01-23 Karadeni̇z Emre Bir tel tutucusu.

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