Connection mechanism for a uterine mobilizer
View Patent ↗A new connecting mechanism for the Valtchev® uterine mobilizer, model VUM-6 having a straight tube with a locking wheel attached close to one end of the tube pivotally mounted in a housing of the space bar and maintained by a spring loaded pin in realizable way. The another end of the tube is attached to a piston pivotally mounted and maintained within a hole in the head of the uterine mobilizer via the tube engaging a connecting slot in the head, and adapted to be disassembled by first releasing the locking wheel of the tube from the space bar and second, by rotating the tube in a prescribed degree which will align the tube with the vertical slot allowing removal of the tube with attached piston from the head. The distal end of a rod is bended 15°, which allows retroversion of the head at the same degree.
1. A connection mechanism for a uterine mobilizer, comprising:
a hollow tube with a locking wheel and a piston, connected in a pivotally releasable manner to a head of a uterine mobilizer and in a pivotally releasable manner to a space bar; and
a rod pivotally attached by pins, one end to the head and the other end to a space bar, wherein, the tube is a straight, continuous tube having a proximal end and a distal end, the distal end being permanently affixed to the piston in a middle portion of said piston, and the locking wheel permanently affixed to said tube, closer to the proximal end of said tube; and
wherein said tube is permanently affixed at 90° to a sidewall of the piston and is permanently affixed to a locking wheel having a plane at 90° to the longitudinal axis of said piston, the tube being connected in a pivotally releasable manner by said piston to a head of a uterine mobilizer, and the tube being connected in a pivotally releasable manner by said locking wheel to said space bar of a uterine mobilizer.
2. The connection mechanism for a uterine mobilizer of claim 1 , wherein the piston includes a groove for installing an “O” ring, and a canal starting at one end of said piston connecting a lumen to said tube.
3. The connection mechanism for a uterine mobilizer of claim 1 , wherein the locking wheel includes a circular groove at its periphery, a hole along one of its diameters and wherein the tube inserted through said hole and permanently affixed to said locking wheel.
4. The connection mechanism for a uterine mobilizer of claim 1 , wherein the space bar includes a housing accommodating in a pivotally releasable manner said locking wheel, a spring loaded pin holding said locking wheel inside said housing and a lever by which said pin can be withdrawn, releasing said locking wheel.
5. The connection mechanism for a uterine mobilizer of claim 4 , wherein said space bar additionally comprises an entrance to a tube slot, said tube can pass through, if said tube is perpendicular to the longitudinal axis of said space bar, a tube slot accommodating movements of said tube in a prescribed range, and a slot accommodating a rod pivotally attached to said rod by a pin.
6. The connection mechanism for a uterine mobilizer of claim 5 , wherein said distal end of said tube is sliding into said connecting slot and cannot be disengaged during prescribed use.
7. The connection mechanism for a uterine mobilizer of claim 6 , wherein said distal end of said tube and said connecting slot are adapted to be disengaged by rotating said tube about said piston by a prescribed degree of rotation.
8. The connection mechanism for a uterine mobilizer of claim 4 , wherein said locking wheel pivots into said housing and is held in place by said spring loaded pin, engaging said groove of said locking wheel.
9. The connection mechanism for a uterine mobilizer of claim 8 , wherein said locking wheel can be disengaged by withdrawing of said pin from said groove of said locking wheel.
10. The connection mechanism for a uterine mobilizer of claim 1 , wherein said connecting mechanism comprises a passageway through a Luer lock, said tube, said piston, said hole, an oblique canal and opens into a head cavity.
11. The connection mechanism for a uterine mobilizer of claim 1 , wherein a head of the uterine mobilizer comprises a hole accommodating a piston having an axis perpendicular to the longitudinal axis of said head, a longitudinal slot accommodating a rod pivotally attached by a pin to said head of the uterine mobilizer, a vertical slot connecting the said hole with the beginning of a connecting slot and a connecting slot connecting said vertical slot to said longitudinal slot.
12. The connection mechanism for a uterine mobilizer of claim 11 wherein the vertical slot starts from the hole and runs at 60° posteriorly from the longitudinal axis of said head, and exits on the surface of said head.
13. The connection mechanism for a uterine mobilizer of claim 1 , wherein the rod has a distal end and a proximal end, the distal end is bent at 15° posteriorly, and pivotally attached to said head by said pin and the proximal end is pivotally attached by the pin to said space bar.
14. The connection mechanism for a uterine mobilizer of claim 1 , wherein the connecting mechanism allows 120° anteversion of said head and about 15° retroversion of said head.
15. The connection mechanism for a uterine mobilizer of claim 14 , wherein prescribed degree of ante version of said head is determined by reaching the bottom of said connecting slot by said tube.
16. The connection mechanism for a uterine mobilizer of claim 14 , wherein the prescribed degree of retroversion of said head is determined by reaching the bottom of said longitudinal slot by said rod.