WO2020204445A2 - Dispositif de serrage de fil-guide chirurgical - Google Patents

Dispositif de serrage de fil-guide chirurgical Download PDF

Info

Publication number
WO2020204445A2
WO2020204445A2 PCT/KR2020/004043 KR2020004043W WO2020204445A2 WO 2020204445 A2 WO2020204445 A2 WO 2020204445A2 KR 2020004043 W KR2020004043 W KR 2020004043W WO 2020204445 A2 WO2020204445 A2 WO 2020204445A2
Authority
WO
WIPO (PCT)
Prior art keywords
guide wire
gripping
coupling
gripping body
handle
Prior art date
Application number
PCT/KR2020/004043
Other languages
English (en)
Korean (ko)
Other versions
WO2020204445A3 (fr
Inventor
이성
Original Assignee
연세대학교 산학협력단
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 연세대학교 산학협력단 filed Critical 연세대학교 산학협력단
Publication of WO2020204445A2 publication Critical patent/WO2020204445A2/fr
Publication of WO2020204445A3 publication Critical patent/WO2020204445A3/fr

Links

Images

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
    • A61B17/88—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
    • A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • 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
    • A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • 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
    • A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
    • 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
    • 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
    • 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
    • A61B17/8861—Apparatus for manipulating flexible wires or straps
    • 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
    • A61B17/8875—Screwdrivers, spanners or wrenches
    • 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

Definitions

  • the present invention relates to a guide wire clamp device for surgery, and in detail, forming a female thread using a surgical driver on the bones of the human body by minimally invasive surgery (MIS) or inserting and fastening a screw
  • MIS minimally invasive surgery
  • a clamp device configured to be usable in combination with a surgical driver for the purpose of preventing displacement of a guide wire for applying a surgical tool, a screw, an implant in the body, etc. to an accurate position.
  • MIS Minimally invasive surgery
  • Such minimally invasive surgery is applied to various surgeries, for example, to stabilize two vertebrae in which the joint is damaged, insert a cage for maintaining the gap between adjacent vertebrae in the up/down direction, and limit their mutual movement. It can also be applied to spinal fusion, which is fixed with a pedicle screw.
  • spinal fusion is a surgery performed when the spine is severely deformed or damaged, such as spinal canal stenosis, disc prolapse, and spondylolisthesis, or when the spine itself is unstable and causes extreme pain or neurological symptoms caused by anterior lumbar dislocation.
  • spinal fusion is a surgical method in which a vertebrae that is out of a normal position is fixed to a normal position using a screw such as a pedicle screw.
  • guide wire is used in minimally invasive surgery or guides to the blocked blood vessel before inserting a stent device to expand the lesion, when blood vessels in the heart or brain are blocked.
  • a common name for guiding wires such as K-wire or kirschner wire, which is used to guide surgical instruments, screws, and implants to the correct position to the target point inside the minimum incision, as in the case of the case.
  • K-wire or kirschner wire which is used to guide surgical instruments, screws, and implants to the correct position to the target point inside the minimum incision, as in the case of the case.
  • it refers to what is mainly used for minimally invasive surgery.
  • These guide wires are inserted into the surgical site in spinal fusion to designate the surgical site, and also allow various surgical tools to be accurately used on the surgical site.
  • the awl 1, the screw driver 2 and the pedicle screw driver 3 shown in FIG. 11 serve as a guide to allow access to the correct position of the vertebral surface of the surgical site.
  • a hole or hole is formed at an exact position on the bone surface of the surgical site guided by the guide wire using the surgical tool for minimally invasive surgery or the surgical driver (1, 2, 3) described above, and a thread is formed in the formed hole. And, it is possible to perform a series of surgical procedures in which the pedicle screw 4 is inserted into the threaded hole.
  • the guide wire which was previously inserted at an appropriate depth at the correct position, may be removed from the surgical site, or the end of the guide wire such as a K-wire having a tip portion is less than a preset depth. It may be inserted deeper and penetrate the surface opposite the bone, causing unintentional damage to tissues or nerves around the surgical site.
  • the guide wire with the longitudinal end inserted into the patient's surgical site through the internal hollow hole of the surgical driver (2, 3) is together in the left/right direction during the rotation of the surgical driver (2, 3).
  • a configuration in which a tool for minimally invasive surgery such as a surgical screwdriver (2, 3) is provided with a means to fix the position of the guide wire can be considered. Since it means that a separate surgical tool with a special structure must be provided instead of a tool for minimally invasive surgery that has been used, a problem in that all existing surgical tools must be replaced is raised.
  • the present applicant has developed the present invention in order to solve the above problems, and as a related prior art document, there is a'driver for fastening a spinal screw screw' of Korean Patent No. 10-1020247.
  • the present invention is to solve the above problems, and to prevent the flow or displacement of the guide wire in a state mounted on the handle of an existing surgical driver, and, in addition, to be universally applied to various surgical drivers. It is an object to provide a configured clamp device.
  • the present invention while receiving the handle of the surgical driver, the coupling portion coupled to the handle; A rotation gripping portion connected to the coupling portion while pressing the handle of the surgical driver accommodated in the coupling portion, and through which a guide wire used for minimally invasive surgery passes; A fixed gripping part which is screwed with the rotation gripping part and through which the guide wire passes through the rotation gripping part; And a locking part provided in the fixed gripping part to fix the guide wire on the fixed gripping part, wherein the surgical driver may be rotated in association with the rotating gripping part rotated on the fixed gripping part.
  • the coupling portion a hollow coupling body providing a space in which the handle of the surgical driver can be accommodated; And a seating member that is bent in a bottleneck shape at an end portion in the longitudinal direction of the coupling body, and to which the bottom of the handle of the surgical driver is in close contact.
  • incision grooves into which both sides of the handle in the longitudinal direction are inserted may be provided.
  • the rotation gripping part a pressing shaft inserted into the interior of the coupling body to press the handle of the surgical driver in the direction in which the seating member is disposed;
  • a first gripping body integrally connected with an end portion in the longitudinal direction of the pressing shaft while having an inner diameter larger than the diameter of the pressing shaft, and having an inner circumferential surface coupled to the outer circumferential surface of the coupling body;
  • a first through hole provided in the pressing shaft and the first gripping body along the longitudinal direction of the pressing shaft and the first gripping body, and through which the guide wire passes.
  • a threaded portion may be provided on an outer circumferential surface of the coupling body and an inner circumferential surface of the first gripping body, respectively.
  • threaded portions may be provided on the inner circumferential surface of the coupling body and the outer circumferential surface of the pressing shaft, respectively.
  • the fixed gripping portion screwed to the first gripping body; And a second through hole provided in the second gripping body along the longitudinal direction of the second gripping body, and through which the guide wire passes through the first through hole.
  • first gripping body and the second gripping body includes a coupling means for screwing to each other, the coupling means, a coupling provided to protrude from any one of the first gripping body or the second gripping body Pillar; And a coupling hole provided in either of the first gripping body or the second gripping body, and the coupling pillar is inserted and screwed.
  • the locking portion coupled to the longitudinal end of the second gripping body, the cap formed with a hole through which the guide wire can pass;
  • the cap is formed protruding from one surface and inserted into the second through hole provided in the second gripping body, and the outer surface of the guide wire is pressed by being pressed against the inner circumferential surface of the second gripping body that partitions the second through hole. It may include a plurality of elastic pieces;
  • the locking part may include a slide button mounted to be slidably movable in a direction in which the guide wire is disposed at an end of the second gripping body in a longitudinal direction, and presses the guide wire toward the inner surface of the second gripping body; And a seating groove provided on the inner surface of the second gripping body while facing the longitudinal end of the slide button, and in which a longitudinal portion of the guide wire pressed by the slide button is seated.
  • the mounting groove a vertical surface in contact with the longitudinal end of the slide button; An inclined surface extending downwardly inclined in a direction in which the guide wire is disposed from a lower end of the vertical surface; And a round surface provided on the vertical surface and the inclined surface and into which a longitudinal portion of the guide wire pressed by the slide button is inserted.
  • the locking part is inserted into a second through hole formed in the second gripping body through an insertion hole formed at an upper end in the longitudinal direction of the second gripping body, and the circumferential surface of the guide wire disposed in the second through hole A pair of elastic pieces mounted on the second gripping body while elastically pressing a part; And a connecting piece connecting the longitudinal ends of the pair of elastic pieces to each other and provided with a handle portion gripped by a user.
  • a distance between the pair of elastic pieces spaced apart from each other may be smaller than the diameter of the guide wire.
  • the surgical guide wire clamp device has a structure capable of rotating the surgical driver used for various bone surgery while preventing the flow of the guide wire used for minimally invasive surgery, so that the surgical driver is a screw Even if the guide wire is rotated for rotational fastening, it is possible to prevent the risk of being separated from the surgical site or inserted deeper into the surgical site by fixing the guide wire in the vertical direction or the left-right direction to damage the surrounding tissue.
  • the surgical guide wire clamp device allows the operator to accurately rotate the surgical driver at the surgical site designated as the guide wire so that a screw such as a pedicle screw can be accurately inserted into the surgical site. .
  • the surgical guide wire clamp device is provided with a coupling portion that can be applied to various types of surgical drivers having a'T'-shaped or'I'-shaped handle, so that the conventional surgical driver It can be applied universally.
  • the operator can easily rotate the rotating gripping part connected to the surgical driver with the other hand while holding the fixed gripping part provided with the guide wire locking part with one hand. Since it has a structure that can be operated quickly and conveniently while fixing the position of the guide wire without borrowing the hand of a third party, it is possible to improve the accuracy of the operation.
  • FIG. 1 is an exploded perspective view of a surgical guide wire clamp device according to an embodiment of the present invention.
  • Figure 2 is a cross-sectional view showing a state that the clamp device shown in Figure 1 is mounted on a handle of a surgical driver.
  • FIG. 3 is a cross-sectional view showing a state in which the coupling portion of the clamp device shown in FIG. 2 is lowered from the gripping portion.
  • Figure 4 is a perspective view showing the configuration of a locking unit according to another embodiment of the present invention.
  • Figure 5 is a plan view of the locking portion shown in Figure 4.
  • FIG. 6 is a plan view showing a state in which the slide button of the locking unit shown in FIG. 5 is moved.
  • Figure 7 is a cross-sectional view of the locking portion shown in Figure 6;
  • FIG. 8 is a perspective view showing the configuration of a locking unit according to another embodiment of the present invention.
  • FIG. 9 is a plan view showing a state in which the locking part shown in FIG. 8 is mounted on a second gripping body.
  • FIG. 10 is a cross-sectional view showing a state in which a clamp device according to another embodiment of the present invention is mounted on a handle of a surgical driver.
  • FIG. 11 is a reference photograph showing a surgical driver and a pedicle screw used in spinal fusion.
  • FIGS. 1 to 11 a guide wire clamp device for surgery according to the present invention will be described in detail with reference to FIGS. 1 to 11.
  • detailed descriptions of related known functions or configurations are omitted so as not to obscure the subject matter of the invention.
  • FIG. 1 is an exploded perspective view of a surgical guide wire clamp device according to an embodiment of the present invention
  • FIG. 2 is a cross-sectional view showing a state in which the clamp device shown in FIG. 1 is mounted on a handle of a surgical driver
  • FIG. 3 is 2 is a cross-sectional view showing a state in which the coupling portion of the clamp device is lowered on the gripping portion
  • FIG. 4 is a perspective view showing the configuration of a locking portion according to another embodiment of the present invention
  • FIG. 5 is a locking portion shown in FIG. It is a plan view
  • FIG. 6 is a plan view showing a state in which the slide button of the locking part shown in FIG. 5 is moved
  • FIG. 7 is a cross-sectional view of the locking part shown in FIG. 6, and FIG. 8 is a locking according to another embodiment of the present invention. It is a perspective view showing the configuration of the part, FIG. 9 is a plan view showing a state in which the locking part shown in FIG. 8 is mounted on the second gripping body, and FIG. 10 is a clamp device according to another embodiment of the present invention on a handle of a surgical driver. It is a cross-sectional view showing the installed state, and FIG. 11 is a reference photograph showing a surgical driver and a pedicle screw used in spinal fusion.
  • a guide wire clamp device for surgery includes various surgical drivers (2, 3, Figures 2, 3, and 2) through which guide wires w for minimally invasive surgery (MIS) such as K-wire are passed.
  • MIS minimally invasive surgery
  • 11) is detachably mounted to transmit rotational force to the surgical driver (2, 3) and at the same time provide a structure that prevents horizontal and vertical flow of the guide wire (w), and thus Accordingly, it can be said that it is characterized in that the operator can quickly and stably perform various surgeries related to the human body, thereby increasing the surgical success rate and minimizing side effects caused by the operation.
  • the guide wire clamp device for surgery is designed to be applicable to a surgical driver (see 2, 3, Fig. 11) having various shapes, and is universally used for various surgical tools. Can be used as
  • the surgical guide wire clamp device 100 as described above, as shown in Figs. 1 and 2, while receiving the handle (h) of the surgical driver (2, 3, see Fig. 11), the handle (h) A coupling portion 200 coupled with; It is connected to the coupling portion 200 while pressing the handle (h) of the surgical driver (1, 2, 3) accommodated in the coupling portion 200, a guide wire (w) used for minimally invasive surgery
  • a rotation gripping part 300 that passes through;
  • a fixed gripping part 400 which is screwed with the rotation gripping part 300 and through which the guide wire w passes through the rotation gripping part 300;
  • a locking part 500 provided on the fixed gripping part 400 to fix the guide wire w on the fixed gripping part 400.
  • the coupling portion 200 a hollow coupling body 210 providing a space in which the handle (h) of the surgical driver (2, 3) can be accommodated; And a seating member 220 that is bent in the shape of a bottle neck at the longitudinal end of the coupling body 210 and to which the bottom surface of the handle h of the surgical driver 2 and 3 is in close contact.
  • the coupling body 210 provides a space in which the handle (h) of the surgical driver (1, 2, 3) can be inserted and accommodated, and one side and the other side in the longitudinal direction are surgical drivers (1, 2, 3) is open so that it can be inserted and passed.
  • the surgical driver 3 used when inserting the pedicle screw 4 into the bone of the human body is shown on the drawing as being coupled with the coupling body 210 have.
  • the handle (h) of the surgical driver (3) is inserted and accommodated in the space provided by the coupling body (210), and the rest of the longitudinal portion of the surgical driver (3) excluding the handle (h)
  • the (shaft) may pass through the coupling body 210 and be exposed to the outside.
  • the opening formed on one side in the longitudinal direction of the coupling body 210 has a size that the shaft (s) constituting the surgical driver 3 passes and the handle (h) cannot pass, and accordingly, It can be said that the surgical driver 3 is inserted from the other side in the longitudinal direction of the coupling body 210 and coupled to the coupling body 210.
  • the seating member 220 when the handle (h) of the surgical driver 3 is inserted and accommodated in the coupling body 210, the handle (h) and the shaft ( It is in close contact with the connection portion of s) and serves to prevent the surgical driver 3 from flowing. Therefore, the seating member 220 is preferably bent while having a curvature corresponding to the bottom of the handle (h) of the surgical driver (3).
  • both sides of the handle (h) in the longitudinal direction are inserted to provide a flow path
  • the incision groove 211 may be provided.
  • the cutout groove 211 may be provided in a pair on the circumferential surface of the coupling body 210, and the pair of cutout grooves 211 are arranged to face each other and the length of the coupling body 210 It can be formed along the direction.
  • a surgical driver having a vertical shape for example, a shape having an'I'-shaped handle such as the awl 1 in FIG. 7
  • a surgical driver see 2, 3, Fig. 11
  • a'T'-shaped handle h
  • the coupling portion 200 configured as described above is preferably made of a rigid plastic material or a metal material.
  • the rotation gripping part 300 is inserted into the interior of the coupling body 210 to press the upper surface of the handle h of the surgical driver 3 in the direction in which the seating member 220 is disposed ( 310);
  • the first gripping body 320 is integrally connected with the longitudinal end of the pressing shaft 310 while having an inner diameter larger than the diameter of the pressing shaft 310, and the inner circumferential surface is coupled to the outer circumferential surface of the coupling body 210 ; And it is provided on the pressure shaft 310 and the first gripping body 320 along the longitudinal direction of the pressing shaft 310 and the first gripping body 320, the guide wire (w) passing through One through hole 330; may include.
  • the pressing shaft 310 may have a diameter that can be inserted into an opening formed on the other side in the length direction of the coupling body 210.
  • the pressure shaft 310 is inserted into the inner space of the coupling body 210 and presses the upper surface of the handle (h) of the surgical driver 3 that has already been inserted into the inner space of the coupling body 210 can do. That is, it can be said that one end of the pressing shaft 310 in the longitudinal direction is in contact with the upper surface of the handle h.
  • the first gripping body 320 may be integrally connected to the other end of the pressing shaft 310 in the longitudinal direction, and may have a tubular shape surrounding the other end of the pressing shaft 310 in the longitudinal direction.
  • the first gripping body 320 has an inner diameter into which the other side of the coupling body 210 in the longitudinal direction can be inserted.
  • the inner circumferential surface of the first gripping body 320 may be coupled to the outer circumferential surface of the coupling body 210 by a known screw method. Accordingly, threaded portions may be formed on the outer circumferential surface of the coupling body 210 and the inner circumferential surface of the first gripping body 320, respectively.
  • the pressure shaft 310 inserted into the coupling body 210 is inserted into the surgical driver (3).
  • the handle (h) is pressed, and thus, the flow of the handle (h) accommodated in the coupling body 210 can be further prevented.
  • the first gripping body 320 may be said to be a part that is gripped and rotated by an operator, and accordingly, knurling or friction protrusions are provided on its outer surface not shown in the drawing so that the operator's hand does not slip. Can be.
  • the first through hole 330 may be referred to as a passage through which the guide wire w is inserted, and has an inner diameter larger than the diameter of the guide wire w. And, the first through hole 330, when the compression shaft 310 and the first gripping body 330 is fastened to the coupling body 210, for the surgery connected to the coupling body 210 It may be connected so as to be able to communicate with through holes formed in the drivers 2 and 3.
  • the rotation gripping part 300 configured as described above may be referred to as a component that rotates relative to the fixed gripping part 400 to be described later to rotate the coupling part 200, and accordingly, the coupling part 200 ) To the handle (h) is fixedly connected to the surgical driver (2, 3) can be rotated.
  • the fixed gripping part 400 may include a second gripping body 410 coupled to the first gripping body 310 by a screw fastening method; And a second through hole provided in the second gripping body 410 along the longitudinal direction of the second gripping body 410, and through which the guide wire w passes through the first through hole 330. (420); may include.
  • the second gripping body 410 is disposed above the first gripping body 320 and interlocks with the first gripping body 320 when the first gripping body 320 is rotated by the operator. It can be said to be a part that is held by an operator or a nurse so that it is not rotated and is in a fixed state.
  • the operator may grip the second gripping body 410 of the fixed gripping part 400 with a left hand, and grip the first gripping body 320 of the rotating gripping part 300 with the remaining right hand.
  • the first gripping body 320 may be rotated with the right hand.
  • the rotating gripping part 300 rotates on the fixed gripping part 400 and descends, and in conjunction with this, the surgical driver 3 rotates and goes straight.
  • the outer surface of the second gripping body 410 may have a curved shape so that the user can easily grip it. In addition, it may be knurled so that the operator's hand does not slip.
  • the second through hole 420 may be referred to as a passage through which the guide wire w is inserted, and has an inner diameter larger than the diameter of the guide wire w.
  • the second through hole 420 communicates with the first through hole 330 when the second gripping body 410 is screwed with the first gripping body 310 of the rotating gripping part 300. Can be connected as possible.
  • the guide wire (w) used in minimally invasive surgery is the through hole formed in the surgical driver 3 and the first through hole 330 formed in the rotating gripping part 300 and the fixed gripping part 400. It can be said that it passes through the second through hole 420 formed in the second gripping body 410, and one end in the longitudinal direction is inserted into the surgical site, and the other end in the longitudinal direction is exposed to the top of the second gripping body 410 do.
  • the first gripping body 320 of the rotating gripping part 300 and the second gripping body 410 of the fixed gripping part 400, as shown in FIGS. ) Can be fastened to each other by screwing.
  • the coupling means 600 may include a coupling column 610 provided to protrude from either of the first holding body 320 or the second holding body 410; And a coupling hole 620 provided in any one of the first gripping body 320 or the second gripping body 410, wherein the coupling pillar 610 is inserted and screwed.
  • a threaded portion is formed on the outer circumferential surface of the coupling pillar 610, and a through hole is formed in the inner central portion thereof to communicate with the first through hole 330 or the second through hole 420.
  • the coupling hole 620 On the inner circumferential surface of the coupling hole 620, a threaded portion formed in the coupling column 610 and a screwed portion are formed.
  • the coupling hole 620 may have a diameter larger than the diameter of the first through hole 330 or the second through hole 420. Accordingly, it can be said that the outer diameter of the coupling pillar 610 is also larger than the diameter of the first through hole 330 or the second through hole 420.
  • the coupling pillar 610 is shown to be provided to protrude vertically upward from the center of the other surface in the longitudinal direction of the first gripping body 320, and the coupling hole 620 is the second gripping body. It is shown to be provided along the longitudinal direction of the guide wire (w) inside the body 410.
  • the first gripping body 320 when the first gripping body 320 is rotated after inserting the coupling pillar 610 provided in the first gripping body 320 into the coupling hole 620 provided in the second gripping body 410, the coupling As the pillar 610 and the coupling hole 620 are coupled by a screw fastening method, the first gripping body 320 and the second gripping body 410 may be connected to each other.
  • the coupling pillar 610 is provided to protrude vertically upward from the center of the other surface in the length direction of the first gripping body 320, and the coupling hole 620 is the second gripping body It is shown that it is provided along the longitudinal direction of the second gripping body 410 in the inside of 410, but is not limited thereto.
  • the coupling pillar 610 may be provided to protrude vertically downward from the central portion of one surface in the length direction of the second gripping body 410, and the coupling hole 620 1 It may be provided along the longitudinal direction of the guide wire (w) in the inside of the holding body 320 and the inside of the pressure shaft 310.
  • the rotating gripping part 300 and the fixed gripping part 400 may be detachably coupled to each other by using the coupling means 600 configured as described above.
  • the operator rotates in the fastening direction of the surgical driver 3 while holding the first gripping body 320 of the rotation gripping part 300 with the right hand, and the fixed gripping part 400 with the remaining left hand.
  • the holding body 410 is fixedly held, as shown in FIG. 3, the coupling pillar 610 is separated while being rotated in the coupling hole 620 in a direction opposite to the fastening, and at the same time, the rotation holding portion ( 300) and the coupling portion 200 and the handle (h) of the surgical driver 3 may be lowered while rotating in the screw fastening direction.
  • the pedicle screw 4 (refer to FIG. 11) fastened to the end of the shaft s of the surgical driver 3 may be inserted while being rotated to the surgical site (the part where one end in the longitudinal direction of the guide is inserted).
  • the locking part 500 is coupled to the other end in the longitudinal direction of the second gripping body 410, and a cap having a hole through which the guide wire w can pass. (510); And the second holding body 410 protruding from one surface of the cap 510 and inserted into the second through hole 420 provided in the second gripping body, and partitioning the second through hole 420. It may include; a plurality of elastic pieces 520 for pressing the outer surface of the guide wire (w) by being pressed on the inner peripheral surface of.
  • the locking part 500 configured as described above is inserted into the second through hole 420 from the other side (upper end) in the longitudinal direction of the second gripping body 410 in a wedge manner to be coupled with the second gripping body 410 It can be said to be a structure that can be used.
  • the cap 510 may be manufactured in a circular plate shape, but is not limited thereto.
  • the cap 510 may be manufactured in a form in which a groove portion is formed in which the other end (upper end) of the second gripping body 410 can be inserted in a force-fitting manner.
  • the elastic pieces 520 may be provided at a predetermined distance from each other along a circumferential direction around a through hole formed in the cap 510 at the bottom of the cap 510.
  • the plurality of elastic pieces 520 may be provided in an inclined shape in which the distance between each other becomes narrower from the bottom of the cap 510 toward the direction in which the second gripping body 410 is disposed.
  • the second through hole 420 disposed on the upper end side of the second gripping body 410 as shown in Figs. 2 and 3, the same cross-sectional shape as that of the plurality of elastic pieces 520 Can have That is, the upper inner circumferential surface of the second gripping body 410 partitioning the second through hole 420 is a shape corresponding to the shape of the plurality of elastic pieces 520 protruding from the bottom surface of the cap 510 Can have
  • the inner circumferential surface of the upper end side of the second gripping body 410 partitioning the second through hole 420 has a shape in which the inner diameter gradually decreases from the top of the second gripping body 410 toward the bottom.
  • the outer surface of the elastic pieces 520 is pressed in the direction in which the guide wire w is arranged, so that the ends of the plurality of elastic pieces 520 are It can be closed to press the entire circumferential surface of the wire (w).
  • the guide wire w is coupled to the rotation gripping part 300 Without interfering with the rotational force of the part 200 and the surgical driver 3, the horizontal or vertical flow can be prevented while being fixedly connected to the fixed gripping part 400 that maintains a fixed state by the operator. have.
  • the locking part 500 configured as described above is made of a plastic material or a metal material having an elastic restoring force.
  • the locking part 700 is mounted so as to be slidably moved in the direction in which the guide wire w is disposed at the longitudinal end (upper end) of the second gripping body 410, and the A slide button 710 for pressing the guide wire w toward the inner surface of the second gripping body 410; And provided on the inner surface of the second gripping body 410 while facing the longitudinal end of the slide button 710, and the longitudinal direction of the guide wire w pressed by the slide button 710 It may include; a seating groove 720 on which the portion is seated.
  • the slide button 710 may be provided to be slidable in a rail groove formed in an intaglio shape at an upper end of the second gripping body 410. That is, the slide button 710 is provided to be slidable at the upper end of the second gripping body 410 to press a part of the circumferential surface of the guide wire w.
  • a plurality of friction protrusions may be provided on the upper surface of the slide button 710, and a part of the circumferential surface of the guide wire w may be inserted and seated at the longitudinal end of the slide button 710. Grooves can be formed.
  • the configuration in which the slide button 710 is seated in the rail groove formed in the second gripping body 410 and slides in the horizontal direction is a configuration that can be easily implemented by those skilled in the art.
  • the detailed configuration description is omitted.
  • the seating groove 720 provides a space in which a longitudinal portion of the guide wire w that is moved by being pressed by the slide button 710 can be seated.
  • the seating groove 720 a vertical surface 721 in contact with the longitudinal end of the slide button 710; An inclined surface 722 extending downwardly inclined in a direction in which the guide wire w is disposed from a lower end of the vertical surface 721; And a round surface 723 provided on the vertical surface 721 and the inclined surface 722 and on which a longitudinal portion of the guide wire w pressed by the slide button 710 is seated.
  • the slide button 710 when the slide button 710 is moved to press the longitudinal portion of the guide wire w in the direction in which the seating groove 720 is disposed, as shown in FIGS. 6 and 7, the slide button The longitudinal end of the 710 is in surface contact with the vertical surface 721 that partitions the seating groove 720.
  • the guide wire (w) is a state in which the hemispherical space formed at the longitudinal end of the slide button 710 and the round surface 723 of the seating groove 720 are inserted and seated in a space cooperating with each other becomes.
  • the longitudinal portion of the guide wire (w) inserted into the second through hole 420 without contacting the longitudinal end of the slide button 710, as shown in FIG. It has a bent shape and then has a vertical posture.
  • the upper end in the longitudinal direction of the guide wire w is accommodated in the seating groove 720 while being pressed by the slide button 710, and can be fixed to the upper end of the second gripping body 410. have.
  • the shape of the guide wire w pressed by the slide button 710 through FIG. 7 and the like is expressed somewhat exaggeratedly, but in reality, the guide wire ( It goes without saying that it can be appropriately designed in consideration of the rigidity of w).
  • the guide wire w whose longitudinal direction is partially deformed in a curved shape by being pressed by the slide button 710, can be returned to its original state when not pressed by the slide button 710. It can be said that it is transformed to a degree. Therefore, it is of course possible to reuse the guide wire (w).
  • the guide wire (w) is The second gripping body of the fixed gripping part 400 to maintain a fixed state by the operator without interfering with the rotational force of the rotation gripping part 300 and the coupling part 200 and the surgical driver 3 While fixedly connected to the 410, the horizontal or vertical flow can be prevented.
  • the locking part 800 includes a second through hole formed in the second gripping body 410 through an insertion hole 411 formed at an upper end in the longitudinal direction of the second gripping body 410 A pair of elasticity inserted into 420 and mounted on the second gripping body 410 while elastically pressing a portion of the circumferential surface of the guide wire w disposed in the second through hole 420 Piece 810; It may include; a connecting piece 820 that connects the longitudinal ends of the pair of elastic pieces 810 to each other and is provided with a handle portion 821 gripped by the user.
  • the locking part 800 as described above may be made of a plastic material or metal material having an elastic restoring force, and may be said to have a'U'-shaped clip shape as a whole.
  • the pair of elastic pieces 810 may be inserted into the second through hole 420 through the insertion hole 411 formed in the second gripping body 410, and the longitudinal end thereof is the second gripping body 410. It may be inserted and seated in the groove 412 formed on the inner peripheral surface of the body 410.
  • a distance between the pair of elastic pieces 710 separated from each other may be said to be smaller than the diameter of the guide wire w.
  • the groove 412 is preferably formed on the inner circumferential surface of the second gripping body 410 while having a diameter or cross-sectional area larger than the diameter or cross-sectional area of the elastic piece 810, as shown in FIG. 9 Do. This is to enable the user to easily insert the longitudinal end of the one-top elastic piece 810 into the groove 412.
  • the pair of elastic pieces 810 when the pair of elastic pieces 810 is inserted into the insertion hole 411 to elastically press the guide wire w disposed in the second through hole 420, the pair The separation distance between the elastic pieces 810 of is elastically increased by the diameter of the guide wire (w), and in consideration of the increased separation distance and the diameter of the guide wire (w), the user It is preferable to make the diameter or cross-sectional area of the groove 412 larger than the diameter or cross-sectional area of the elastic piece 810 so that the longitudinal end of the 810 can be easily inserted into the groove 412.
  • the guide wire w inserted into the second through hole 420 may be inserted between the pair of elastic pieces 710. Then, a portion of the circumferential surface of the guide wire w disposed in the second through hole 420 is pressed by the pair of elastic pieces 710 to prevent horizontal and vertical flow.
  • the guide wire w since the pair of elastic pieces 810 press the circumferential surface of the guide wire w in a direction facing each other, the guide wire w flows in the horizontal direction within the second through hole 420 This can be prevented, and in addition, both ends in the longitudinal direction of the elastic piece 810 of the one top are inserted into the insertion hole 411 and the groove 412 formed in the second gripping body 410 to maintain the seated state. Therefore, the guide wire w may be prevented from flowing in the vertical direction within the second through hole 420.
  • the guide wire w may be fixedly connected to the upper end of the second gripping body 410 while being disposed at the center of the second through hole 420 without deforming or bending. That is, it may be fixed to the upper end of the second gripping body 410 while the flow is left unattended through the locking part 700.
  • the guide wire w when the pair of elastic pieces 711 is horizontally inserted into the second through hole 420 through the insertion hole 411, the guide wire w with the other hand It is desirable to prevent the horizontal direction flow of the guide wire (w) by gripping.
  • the method is not limited to the above method, and the user may cut the lengthwise end of the guide wire w between the insertion hole 411 and the pair of elastic pieces 810 sequentially inserted into the groove 412. Insertion method may be used.
  • the guide wire (w) is The second gripping body of the fixed gripping part 400 to maintain a fixed state by the operator without interfering with the rotational force of the rotation gripping part 300 and the coupling part 200 and the surgical driver 3
  • the horizontal direction (left and right direction) or vertical direction flow can be prevented while being fixedly connected to 410.
  • the present invention can be applied to and sold in various medical industries for treating, preventing, rehabilitation, and alleviating patients' diseases.

Landscapes

  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • 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)
  • Neurology (AREA)
  • Surgical Instruments (AREA)

Abstract

La présente invention comprend : une partie de couplage couplée à une poignée tout en recevant la poignée d'un élément d'entraînement chirurgical; une partie de maintien rotative qui est reliée à la partie d'accouplement tout en pressant la poignée d'entraînement chirurgical logée dans la partie d'accouplement et à travers laquelle passe un fil-guide utilisé pour une chirurgie mini-invasive; une partie de maintien fixe qui est couplée par vissage à la partie de maintien rotative et à travers laquelle passe le fil-guide ayant traversé la partie de maintien rotative; et une partie de verrouillage disposée sur la partie de maintien fixe de façon à fixer le fil-guide sur la partie de maintien fixe, l'élément d'entraînement chirurgical tournant en étant relié à la partie de maintien rotative tournant sur la partie de maintien fixe.
PCT/KR2020/004043 2019-04-02 2020-03-25 Dispositif de serrage de fil-guide chirurgical WO2020204445A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020190038682A KR102190053B1 (ko) 2019-04-02 2019-04-02 수술용 가이드 와이어 클램프 장치
KR10-2019-0038682 2019-04-02

Publications (2)

Publication Number Publication Date
WO2020204445A2 true WO2020204445A2 (fr) 2020-10-08
WO2020204445A3 WO2020204445A3 (fr) 2021-01-28

Family

ID=72666816

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2020/004043 WO2020204445A2 (fr) 2019-04-02 2020-03-25 Dispositif de serrage de fil-guide chirurgical

Country Status (2)

Country Link
KR (1) KR102190053B1 (fr)
WO (1) WO2020204445A2 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4860742A (en) * 1988-05-16 1989-08-29 Medical Innovations Corporation Assembly of wire inserter and lock for a medical wire
US7207995B1 (en) * 2004-01-29 2007-04-24 Biomer Manufacturing Corp. Method and apparatus for retaining a guide wire
EP2598293B1 (fr) * 2010-07-28 2020-07-01 ECA Medical Instruments Dispositif de couple à canule et mise en prise d'embout
KR101020247B1 (ko) * 2010-10-28 2011-03-07 주식회사 디오메디칼 척추경 나사못 체결용 드라이버
US20140088647A1 (en) * 2012-09-21 2014-03-27 Atlas Spine, Inc. Minimally invasive spine surgery instruments: spinal rod with flange

Also Published As

Publication number Publication date
KR102190053B1 (ko) 2020-12-11
KR20200116794A (ko) 2020-10-13
WO2020204445A3 (fr) 2021-01-28

Similar Documents

Publication Publication Date Title
WO2021071150A1 (fr) Cage de fusion intervertébrale réglable en hauteur
US7306603B2 (en) Device and method for percutaneous placement of lumbar pedicle screws and connecting rods
WO2021049711A1 (fr) Cage de fusion vertébrale réglable en hauteur
US5409490A (en) Shoulder separation reconstruction
US7909830B2 (en) Methods of spinal fixation and instrumentation
US8696717B2 (en) Multi-planar, taper lock screw with additional lock
US7717944B2 (en) Instruments and methods for stabilization of bony structures
US9622799B2 (en) Formable bone plate, clamping apparatus, osteotomy system and method for reconstructing a bone
US20060173454A1 (en) Internal structure stabilization system for spanning three or more structures
US20070055287A1 (en) Orthopedic implant insertion instruments
KR20130069566A (ko) 척추 수술 기구 세트 및 방법
JP2005506098A (ja) 脊髄椎弓根スクリュー配置用開創器及びその方法
JP2008514365A (ja) 侵襲性の少ない外科システム及び方法
CA2581882A1 (fr) Outil de transfert de connecteur pour systemes de stabilisation de structure interne
JP2008539029A (ja) 経皮的脊椎固定システム
KR20080105505A (ko) 척추 임플란트용 케이지 및 원터치 홀더
WO2021029721A1 (fr) Cage vertébrale
JP2018043002A (ja) 脊椎手術器具及び脊椎手術器具を案内する方法
WO2011158986A1 (fr) Outil pour insérer une tige destinée à effectuer une correction spinale et dispositif chirurgical de correction spinale équipé dudit outil
WO2020204445A2 (fr) Dispositif de serrage de fil-guide chirurgical
WO2021177543A1 (fr) Cage de fusion vertébrale réglable en hauteur
JP2942538B1 (ja) 脊椎固定術用ガイドワイヤー刺入補助具
WO2017126787A1 (fr) Appareil de fixation de la colonne cervicale
WO2020213934A1 (fr) Dispositif de retrait de tissu
US8702725B2 (en) Methods and systems for pedicle access

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20785215

Country of ref document: EP

Kind code of ref document: A2

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20785215

Country of ref document: EP

Kind code of ref document: A2