[미국특허]
Securing device to secure fixation devices to bone portions
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61B-017/88
A61B-017/68
출원번호
US-0947635
(2013-07-22)
등록번호
US-9351765
(2016-05-31)
발명자
/ 주소
Schoutens, Robert J.
Naito, Kan
Engenhardt, Ulrich
Wiesmann, Bruno
Straub, Benjamin
Oesterlein, Ralf
출원인 / 주소
DePuy Synthes Products, Inc.
대리인 / 주소
Baker & Hostetler LLP
인용정보
피인용 횟수 :
1인용 특허 :
125
초록▼
The present invention discloses a securing device that is used to secure a fixation device to two bone portions to promote healing between the two bone portions. The bone portions commonly include a skull bone portion and a skull bone flap or implant, and the fixation device is commonly a cranial cl
The present invention discloses a securing device that is used to secure a fixation device to two bone portions to promote healing between the two bone portions. The bone portions commonly include a skull bone portion and a skull bone flap or implant, and the fixation device is commonly a cranial clamp. The securing device provides for securing the fixation device in a uniform, single movement as opposed to currently available products. The securing device has two handles pivotably connected, and a gripping means moveably associated with one handle. As the handles are activated, the gripping means travels proximally along the one handle and grips an elongated section of the fixation device and exerts a tensioning force along the shaft of the elongated section prior to the cutting means cutting the elongated shaft to secure the fixation device in place.
대표청구항▼
1. A method for securing a first bone portion to a second bone portion by way of a fixation device with a securing device where both bone portions have an upper surface and a lower surface, the method comprising the steps of: placing the fixation device such that an elongated section of the fixation
1. A method for securing a first bone portion to a second bone portion by way of a fixation device with a securing device where both bone portions have an upper surface and a lower surface, the method comprising the steps of: placing the fixation device such that an elongated section of the fixation device is disposed between the first bone portion and the second bone portion, a lower member that is connected to the elongated section is positioned below the lower surfaces of the bone portions, and an upper member that is slidable along the elongated section is positioned above the upper surfaces of the bone portions;positioning the securing device onto the elongated section of the fixation device so that a slot defined by a plate of a grip member receives the elongated section, wherein the slot has a first side surface and an opposite second side surface that each extend substantially parallel to the elongated section; andmoving first and second handles of the securing device toward each other in one uniform motion, so as to 1) cause the plate of the grip member that is movably connected to the second handle to pivot and to cause the first side surface and the second side surface of the plate to pivot in unison to grip the elongated section of the fixation device, 2) after the plate has gripped the elongated section, cause a tensioning member of the securing device to exert a pulling force on the grip member to slide the plate and the grip member away from the upper surfaces of the bone portions and to create a tension force in the elongated section, and 3) after the tensioning member has exerted the pulling force, cause a cutting member of the securing device to cut the elongated section at a point adjacent the upper member of the fixation device, such that the elongated section extends between the upper member and the lower member. 2. The method of claim 1, wherein the securing device includes a distal end and a proximal end spaced from the distal end in a proximal direction, wherein the moving step causes the grip member to pull the elongated section in the proximal direction. 3. The method of claim 2, further comprising, prior to the moving step, holding the securing device relative to the bone portions such that the handles are substantially perpendicular to the upper surfaces of the bone portions. 4. The method of claim 1, wherein the moving step includes pivoting the first and second handles relative to each other about a single pivot axis. 5. The method of claim 1, wherein the cutting member is a first cutting blade disposed on a distal end of the first handle, and the securing device includes a second cutting blade disposed on a distal end of the second handle, wherein the moving step causes the first and second cutting blades to cut the elongated section. 6. The method of claim 1, wherein during the moving step, exertion of the pulling force on the elongated section causes the lower member and the upper member to move closer to each other so as to secure the first bone portion to the second bone portion. 7. The method of claim 1, wherein each handle includes a proximal end and a distal end spaced from the proximal end, wherein in the moving step at least one of the proximal ends of the first and second handles pivots relative to the distal ends of the other of the first and second handles. 8. The method of claim 1, wherein the securing device has a proximal end and a distal end spaced from the proximal end, and the cutting member is disposed at the distal end of the securing device, wherein in the moving step the first and second handles pivot relative to one other about a pivot axis that is disposed at the distal end of the securing device. 9. The method of claim 1, wherein during the moving step, an elongate linkage that extends between the first handle and the second handle causes the tensioning member of the securing device to exert the pulling force on the grip member. 10. A method for securing a first bone portion to a second bone portion by way of a fixation device with a securing device where both bone portions have an upper surface and a lower surface, the method comprising the steps of: placing the fixation device with respect to the first and second bone portions, such that an elongated section of the fixation device is disposed between the first bone portion and the second bone portion, a lower member that is connected to the elongated section is positioned below the lower surfaces of the bone portions, and an upper member that is slidable along the elongated section is positioned above the upper surfaces of the bone portions;positioning the securing device onto the elongated section of the fixation device so that a slot defined by a plate of a grip member receives the elongated section, wherein the slot has a first side surface and an opposite second side surface that each extend substantially parallel to the elongated section; andmoving first and second handles of the securing device toward each other so as to 1) cause a tensioning member of the securing device to exert a pulling force on the grip member to cause the plate to rotate to cause the first and second side surfaces of the plate to rotate in unison so that the grip member that is movably connected to the second handle grips the elongated section of the fixation device, 2) cause the tensioning member of the securing device to exert a pulling force on the grip member to slide the grip member and the plate away from the upper surfaces of the bone portions and to create a tension force in the elongated section, and 3) after the tensioning member has exerted the pulling force, cause a cutting member of the securing device to cut the elongated section at a point adjacent the upper member of the fixation device, such that the elongated section extends between the upper member and the lower member. 11. The method of claim 10, wherein the securing device includes a distal end and a proximal end spaced from the distal end in a proximal direction, wherein the moving step causes the grip member to pull the elongated section in the proximal direction. 12. The method of claim 11, further comprising, prior to the moving step, holding the securing device relative to the bone portions such that the handles are substantially perpendicular to the upper surfaces of the bone portions. 13. The method of claim 11, wherein during the moving step, the grip member slides in the proximal direction along the second handle. 14. The method of claim 10, wherein the moving step includes pivoting the first and second handles relative to each other. 15. The method of claim 10, wherein the cutting member is a first cutting blade disposed on a distal end of the first handle, and the securing device includes a second cutting blade disposed on a distal end of the second handle, wherein the moving step causes the first and second cutting blades to cut the elongated section. 16. The method of claim 10, wherein during the moving step, exertion of the pulling force on the elongated section causes the lower member and the upper member to move closer to each other so as to secure the first bone portion to the second bone portion.
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