WO2016080924A1 - Canule de travail pour éléments de retenue de broche - Google Patents

Canule de travail pour éléments de retenue de broche Download PDF

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Publication number
WO2016080924A1
WO2016080924A1 PCT/TR2014/000444 TR2014000444W WO2016080924A1 WO 2016080924 A1 WO2016080924 A1 WO 2016080924A1 TR 2014000444 W TR2014000444 W TR 2014000444W WO 2016080924 A1 WO2016080924 A1 WO 2016080924A1
Authority
WO
WIPO (PCT)
Prior art keywords
wire
bone
retainer
working cannula
tissue
Prior art date
Application number
PCT/TR2014/000444
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/TR2014/000444 priority Critical patent/WO2016080924A1/fr
Publication of WO2016080924A1 publication Critical patent/WO2016080924A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/17—Guides or aligning means for drills, mills, pins or wires
    • 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
    • A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
    • A61B17/8897—Guide wires or guide pins
    • 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
    • A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
    • A61B17/90—Guides therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/0042—Surgical instruments, devices or methods, e.g. tourniquets with special provisions for gripping
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00477—Coupling
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/03—Automatic limiting or abutting means, e.g. for safety
    • A61B2090/033—Abutting means, stops, e.g. abutting on tissue or skin
    • A61B2090/034—Abutting means, stops, e.g. abutting on tissue or skin abutting on parts of the device itself

Definitions

  • the invention is particularly related to a cannula which is used for advancing the wire retainers on kirschner wires. These wire retainers fasten the kirschner wire that is used for compressing and fixing the fractured fragments by being past through the fracture line. This working cannula is to place the wire retainers in desired position until the bone surface, without damaging the tissues between the skin and the bone tissue in orthopedic surgery.
  • Kirschner wire k-wire
  • screw k-wire
  • plate screw k-wire
  • intramedularry hail k-wire
  • intramedularry hail k-wire
  • external fixation k-wire
  • the purpose of these techniques is to fix the fractured fragments in the desired position until healing.
  • the advantages and disadvantages of these techniques change according to the type of fracture and shape the treatment plan of the surgeon.
  • the fragments are first placed into their original places. Compression between the fragments 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 to increase the compression force and the adherence. However, if the sizes of the fragments are small, the dimension of the screw can not be increased. Due to the screw size, no space may be left to locate an additional screw between the fragments. Additionally, as a surgical technique, first the bone is drilled with a drill and then, thread holes are opened for screw thread and afterwards, the screw is placed. Additionally, before these processes, sometimes k-wire is needed to be placed to guide the screw. As a result, the surgical technique is relatively complex. Moreover, the compression provided by screw threads may not be enough for patients with osteoporosis.
  • the main object of the invention is to present a tool in order to place the "wire retainers" - subject to a patent under examination- into the body during surgery with little damage to the soft tissues.
  • Another object of the invention is to achieve bone healing by giving minimum harm to the bones and the surrounding soft tissue by using the wire retainers with percutaneous techniques.
  • An object of the invention is ' to provide the fixation after reducing with the help of thin wires by providing compression at the fracture line and to make it possible to compress small fragments. .
  • An object of the invention is to use the thin k-wires for both compression and support by virtue of a "wire retainer". Another object of the invention is to eliminate the problem of collapsing of small fragments in fractures which are close to the joints such as knees by placing multiple k-wires beneath the fractured fragments. In order to place the screw, thick grooves are opened on the bone pieces. An object of the invention is to eliminate 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 provide compression over the k-wire by using the wire with the "wire retainer" according to application number 2010/05662 in cases where the bone anatomy, such as fractures around the elbow, does not allow the usage of thick fixation tools.
  • Another object of the invention is to carry out the surgery without groove opening, drilling, etc.
  • Figure 1 is the overall view of the cannula according to the invention.
  • Figure 2 is the top view of the holding part of the cannula according to the invention.
  • Figure 3 is the view of the working cannula according to the invention in usage together with the guide.
  • the invention is used together with "A wire retainer" which is subject to the patent application No. 2010/05662 from Turkish Patent Institute under examination and used for fixation of the broken bones.
  • Said working cannula (6) especially provides the usage of the retainer (R) subject to the patent application No. 2010/05662, with percutaneous techniques.
  • the invention in general comprises;
  • the body (3) which " allows advancing of the wire retainer (R) freely until the bone surface on k-wire without damaging the surrounding tissue; - a knurled tip (1 ) which peels the bone tissue off the soft tissue thereon, allows advancing of the body (3) without cutting the surrounding tissue, has recesses and protrusions, and is formed in accordance with the wire retainer (R) diameter;
  • the working cannula (6) for the wire retainer is used for allowing the retainer (R) and Kirschner wire (5) subject to the patent titled "A wire retainer" to be located in the desired position properly without damaging the surrounding tissue.
  • the channel (2) in the working cannula (6) a hollow space is provided in order for the retainer (R) to advance until the bone surface.
  • the working cannula (6) passes over the wire retainer guide (Gu) which makes way towards the bone by following the Kirschner wire (5), thanks to the channel (2) inside the body (3) thereof. It advances without cutting the surrounding tissue thanks to the knurled tip (1 ) and peels the bone tissue off the soft tissue thereon.
  • the working cannula (6) protects the hollow space created by the guide (Gu) by its body (3) after the guide (Gu) is removed and it provides a hollow space from the skin to the bone in order for the retainer (R) to be located therein. Manual guiding and rotation are allowed by the holding part (4).
  • the knurled tip (1 ) of the invention may be sharper, more blunt or straight.
  • the channel (2) disposed in the middle of the invention may have a different diameter and be located eccentrically.
  • the body (3) of the invention may be of a different shape other than cylinder (e.g. hexagonal, rectangular) and a different length.
  • the holding part (4) of the invention may be "T", "L", "C” shaped or may have another shape.

Landscapes

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

Abstract

L'invention concerne une canule de travail qui est utilisée pour avancer les éléments de retenue de broche qui fixent la broche de Kirschner utilisée pour comprimer et fixer les fragments fracturés en l'amenant à traverser les os, jusqu'à la surface de l'os, sans endommager les tissus entre la peau et le tissu osseux en chirurgie orthopédique; l'invention comprenant un corps qui permet à l'élément de retenue de broche d'avancer librement jusqu'à l'os sans endommager le tissu environnant; une pointe moletée comprenant des évidements et des saillies en conformité avec l'élément de retenue de broche; un canal à travers lequel le guide passe; et une partie de maintien qui est conçue pour manipuler la canule de travail.
PCT/TR2014/000444 2014-11-20 2014-11-20 Canule de travail pour éléments de retenue de broche WO2016080924A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/TR2014/000444 WO2016080924A1 (fr) 2014-11-20 2014-11-20 Canule de travail pour éléments de retenue de broche

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/TR2014/000444 WO2016080924A1 (fr) 2014-11-20 2014-11-20 Canule de travail pour éléments de retenue de broche

Publications (1)

Publication Number Publication Date
WO2016080924A1 true WO2016080924A1 (fr) 2016-05-26

Family

ID=52440797

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/TR2014/000444 WO2016080924A1 (fr) 2014-11-20 2014-11-20 Canule de travail pour éléments de retenue de broche

Country Status (1)

Country Link
WO (1) WO2016080924A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4573448A (en) * 1983-10-05 1986-03-04 Pilling Co. Method for decompressing herniated intervertebral discs
EP0807415A2 (fr) * 1996-05-09 1997-11-19 Olympus Optical Co., Ltd. Outillage pour retenir une cavité en chirurgie osseuse, outillage pour retenir une cavité en chirurgie generale, système d'endoscopie chirurgical utilisant un outillage pour retenir une cavité, et une procédure de chirurgie
US20050119566A1 (en) * 2002-04-17 2005-06-02 Ricardo Sasso Instrumentation and method for mounting a surgical navigation reference device to a patient
US20130197534A1 (en) * 2011-08-04 2013-08-01 Crosstrees Medical, Inc. Apparatus and method for restricting movement of a cannula during a surgical procedure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4573448A (en) * 1983-10-05 1986-03-04 Pilling Co. Method for decompressing herniated intervertebral discs
EP0807415A2 (fr) * 1996-05-09 1997-11-19 Olympus Optical Co., Ltd. Outillage pour retenir une cavité en chirurgie osseuse, outillage pour retenir une cavité en chirurgie generale, système d'endoscopie chirurgical utilisant un outillage pour retenir une cavité, et une procédure de chirurgie
US20050119566A1 (en) * 2002-04-17 2005-06-02 Ricardo Sasso Instrumentation and method for mounting a surgical navigation reference device to a patient
US20130197534A1 (en) * 2011-08-04 2013-08-01 Crosstrees Medical, Inc. Apparatus and method for restricting movement of a cannula during a surgical procedure

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