Improved catheter handle
AssigneeCathRx Ltd
InventorsGarrett Ryan, David Ogle, Roman Greifeneder
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Abstract
A catheter handle assembly comprising a handle body with a proximal end and a distal end with a passage extending therebetween. An adjustment unit disposed in the passage of the handle body and the adjustment unit comprising a gear mechanism that acts on the on a deflection stylet for adjusting deflection of the distal part of the deflection stylet. The gear mechanism comprises a first rack, a second rack and a pinion such that rotation of the pinion causes relative movement of the first rack and the second rack in opposing directions.
Claims19
A catheter handle assembly comprising;
- a handle body having a proximal end and a distal end with a passage extending therebetween;
- an adjustment unit disposed in the passage of the handle body, the adjustment unit comprising a gear mechanism that acts on a stylet of a sheath for adjusting deflection of a distal part of the sheath;
- and
- wherein the gear mechanism comprises a first rack, a second rack, a stylet holder and a pinion,
- wherein the stylet holder is adapted to retain a stylet and has the pinion mounted thereon,
- such that the pinion meshes the first rack and second rack, and
- the rotation of the pinion causes relative movement of the first rack and the second rack in opposing directions.
A gear mechanism for a catheter handle assembly, the gear mechanism comprising:
- a first rack, a second rack, a stylet holder and a pinion,
- wherein the stylet holder is adapted to retain a stylet and has the pinion mounted thereon,
- such that the pinion meshes the first rack and second rack, and
- the rotation of the pinion causes relative movement of the first rack and the second rack in opposing directions.
Dependencies are inferred from the claim text.