[미국특허]
Hand-held instrument holder for surgical use
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B23B-031/107
B23B-031/10
출원번호
US-0429897
(2003-05-05)
등록번호
US-7296804
(2007-11-20)
발명자
/ 주소
Lechot,Andr챕
Fehlbaum,Philippe
출원인 / 주소
Precimed S.A.
대리인 / 주소
Moetteli & Associ챕s S횪RL
인용정보
피인용 횟수 :
53인용 특허 :
27
초록▼
A surgical instrument holder has a shank having a coupling end, a handle attached to an opposite end of the shank, a coupling device, and a locking mechanism. The coupling end has an interface thereon for receiving an instrument. The locking mechanism has an annular locking component, a spring, a ri
A surgical instrument holder has a shank having a coupling end, a handle attached to an opposite end of the shank, a coupling device, and a locking mechanism. The coupling end has an interface thereon for receiving an instrument. The locking mechanism has an annular locking component, a spring, a ring which slides on the shank, and a locking device. The annular locking component is mounted so as to slide along the shank. The locking device cooperates with the locking component so as to lock the instrument onto the interface. The spring biases the locking component in a locking direction and bears on the ring. The ring is disengageably lockable to the shank via a connection device so as to enable quick disassembly for cleaning and component sterilization.
대표청구항▼
What is claimed is: 1. A surgical instrument holder comprising a shank having first driveable end and second coupling end, the second end a having an interface for receiving a surgical instrument, wherein the interface is a recess in the coupling end of the shank with the recess being coaxial with
What is claimed is: 1. A surgical instrument holder comprising a shank having first driveable end and second coupling end, the second end a having an interface for receiving a surgical instrument, wherein the interface is a recess in the coupling end of the shank with the recess being coaxial with a central axis of the shank and having a polygonal cross section which rotationally aligns the surgical instrument, the coupling device held in functional assembly to the shank by a releasable locking mechanism comprised of a ring having a catch, the ring being slideably disposed about the shank, a spring biased in a locking direction against the coupling device by the ring, and the catch disengageably retaining the ring in a fixed position during use, wherein the ring locks over the shank, and whereupon release of the catch enables quick disassembly for cleaning and component sterilization, the catch being engaged in such a way that the release of the locking ring allows for partial disassembly for cleaning while retaining all the components of the holder together. 2. The surgical instrument holder of claim 1, wherein the interface has a locking device for locking the instrument onto the interface. 3. The surgical instrument holder of claim 2, wherein the locking device is disposed in the coupling end of the shank. 4. The surgical instrument holder of claim 2, wherein the locking device comprises at least one ball-detent. 5. The surgical instrument holder of claim 4, wherein the locking device comprises at least three circumferentially spaced apart ball-detents. 6. The surgical instrument holder of claim 4, wherein the interface is a recess including a hexagonal female portion for engaging a corresponding surface of the instrument. 7. The surgical instrument holder of claim 6, wherein the ball-detent is adjacent the hexagonal female portion. 8. The surgical instrument holder of claim 7, wherein the ball-detent is received into an annular recess in the instrument, the locking device sliding over the ball detent to bias a ball into the recess to minimize play in the connection. 9. The surgical instrument holder of claim 8, wherein the holder is adapted to hold a large AO fitting. 10. The surgical instrument holder of claim 2, wherein the surface corresponding to the surface of the surgical instrument is an inner surface of an annular piston, which piston slides within the recess and is biased toward the instrument by an elastic device, the piston contacting the instrument as the instrument enters the recess and is aligned with the inner surface, and wherein a locking element prevents the annular piston from exiting the recess, the locking element being a pin for engaging a bayonet slot on the instrument so as to enable locking of the instrument in an axially aligned configuration. 11. The surgical instrument holder of claim 1, wherein the coupling device comprises a coupling sleeve against which the spring is biased by the ring, the sleeve being slideable about the shank so as to operate a ball-detent mechanism wherein a ball is held so as to prevent the ball from being able to drop out of the mechanism when the holder is partially disassembled for cleaning. 12. The surgical instrument holder of claim 11, wherein a chamfered surface aligns the instrument axially, the chamfered the surface disposed on an annular piston which slides within the recess, the annular piston biased toward the instrument by an elastic device, wherein further, a locking element prevents the annular piston from exiting the recess, the piston contacting the instrument as the instrument enters the recess prior to and as the instrument is aligned with the ball-detent, so as to enable locking of the instrument in an axially aligned configuration. 13. The surgical instrument holder of claim 1, wherein a handle is attached to the first end of the shank. 14. The surgical instrument holder of claim 1, wherein the spring is a helical compression spring. 15. The surgical instrument holder of claim 1, wherein the locking direction is toward the coupling end of the shank. 16. The surgical instrument holder of claim 1, wherein the catch is a bayonet mechanism. 17. The surgical instrument holder of claim 16, wherein the bayonet mechanism is comprised of a bayonet slot and a locking pin. 18. The surgical instrument holder of claim 17, wherein the bayonet slot is disposed on the shank. 19. The surgical instrument holder of claim 1, wherein the interface is a recess intersected by a transverse slot wherein a wall of the slot engages a corresponding flat surface of the instrument. 20. The surgical instrument holder of claim 19, whercin the recess includes a seat shaped to receive the end of the instrument about its entire circumference. 21. The surgical instrument holder of claim 20, wherein a ball-detent enters an annular groove in the instrument along an axis perpendicular to the flat surface of the instrument. 22. The surgical instrument holder of claim 21, wherein the locking device slides over the ball detent to bias a ball into the recess in order to minimize play in the connection. 23. The surgical instrument holder of claim 1, wherein the holder is adapted to hold a small AO fitting. 24. The surgical instrument holder of claim 1, wherein the shank is hollow along its length so as to provide a channel facilitating chip removal. 25. The surgical instrument holder of claim 1, wherein a T-bar handle is attached to the first end of the shank. 26. The surgical instrument holder of claim 1, wherein the polygonal surface being a hexagonal surface. 27. The surgical instrument holder of claim 1, wherein the polygonal surface comprises a flat surface. 28. The surgical instrument holder of claim 1, wherein the shank has a smaller diameter than the coupling end. 29. A surgical instrument holder providing a connection to a surgical instrument, comprising a shank, the shank having first driveable end and second coupling end, a T-bar handle attached to the first end of the shank, a coupling device, and a locking mechanism, wherein the coupling end has an internal recess therein for receiving an instrument, wherein the locking mechanism comprises an annular locking sleeve, a helical spring, a ring which slides on the shank, and a ball-detent mechanism wherein the ball is held so as to prevent the ball from being able to drop out of the mechanism and, the annular locking sleeve mounted so as to slide along the shank, the ball-detent being disposed in the coupling end of the shank and received into an annular recess in the instrument, the locking sleeve sliding over the ball detent to bias a ball into the recess to minimize play in the connection, wherein the spring biases the locking sleeve in a locking direction and bears on the ring, the ring being disengageably lockable to the coupling end of the shank via a bayonet mechanism comprised of a bayonet slot and a locking pin so as to enable quick disassmbly for cleaning and componet sterilization, wherein release of the ring allows for partial dissembly for cleaning while retaining all the componets of the holder together. 30. A surgical instrument holder comprising: a shank having first driveable end and second coupling end; a "T"-handle disposed at the first driveable end; a coupling device disposed at the second end, the coupling device held in functional assembly to the shank by a releasable locking mechanism and having an interface for receiving a surgical instrument; and the releasable locking mechanism comprising a ring slideably disposed about the shank, a spring biased against the coupling device by the ring, and a bayonet mechanism comprised of a bayonet slot and a locking pin, the bayonet slot disposed on the shank, the bayonet mechanism retaining the ring in a fixed position during use, whereupon release of the bayonet mechanism enables quick disassembly of the ring, spring and coupling device for cleaning and component sterilization, wherein release of the ring allows for partial disassembly for cleaning while retaining all the components of the holder together. 31. A surgical instrument holder comprising a shank having first driveable end and second coupling end, the second end comprising a coupling device operating a ball-detent mechanism wherein the ball is held so as to prevent the ball from being able to drop out of the mechanism, and having an interface for receiving a surgical instrument, wherein the interface is a recess in the coupling end of the shank with the recess being coaxial with a central axis of the shank and having a polygonal cross section which rotationally aligns the surgical instrument and corresponds to a cross section of the surgical instrument, the corresponding cross section selected from the group consisting of a hexagonal cross section and a cylindrical cross section having a flat, and the coupling device held in functional assembly to the shank by a releasable locking mechanism comprised of a ring having a catch, the ring being slideably disposed about the shank, a spring biased in a locking direction against the coupling device by the ring, and the catch disengageably retaining the ring in a fixed position during use, wherein the ring locks over the shank, and the shank has a smaller diameter than the coupling end, and whereupon release of the catch enables quick disassembly for cleaning and component sterilization, the catch being engaged in such a way that the release of the locking ring allows for partial disassembly for cleaning while retaining all the components of the holder together.
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