Implantation assembly for an iris-expanding device
Implantation assemblies for an iris-expanding device comprising an iris-expanding device holder and a holder body, as well as iris-expanding device holders are provided. These assemblies and devices are configured for an iris-expanding device that can maintain a pupil in an extended position during an ophthalmic procedure such as phacoemulsification.
1. An implantation assembly for an iris-expanding device, the assembly comprising:
an iris-expanding device holder including:
a holder body having a first end and a second end;
a recess in the holder body and positioned between the first end and the second end of the holder body and shaped to house the iris-expanding device; and
an iris-expanding device injector including:
a handle having:
a first end,
a second end, and
a button configured to slide between a first position and a second position with respect to the first end of the handle;
a cannula coupled to the first end of the handle and having an opened end spaced from the first end of the handle, the opened end sized and shaped to receive the iris-expanding device, and the cannula configured to slide into the iris-expanding device holder; and
a hook partially housed in the cannula and operably connected to the button, the hook configured to:
slide out from the opened end of the cannula in response to sliding the button from the first position to the second position,
grasp the iris-expanding device housed in the recess in the holder body, and
pull the iris-expanding device into the opened end of the cannula in response to sliding the button from the second position to the first position.
2. The implantation assembly of claim 1 , wherein the device holder further comprises a cannula channel configured to receive at least a portion of the cannula of the device injector, the cannula channel extending from the recess through the first end of the holder body.
3. The implantation assembly of claim 1 , wherein the handle of the iris-expanding device includes a track, and wherein the button is configured to slide along the track.
4. The implantation assembly of claim 1 , wherein the device injector includes a slide positioned within the handle and connecting the hook to the button.
5. The implantation assembly of claim 1 , wherein the button is configured to inject the iris-expanding device into an eye of a patient when the button is pushed toward the cannula.
6. The implantation assembly of claim 1 , wherein the handle of the device injector includes at least one guide pin and the device holder includes at least one channel configured to receive the at least one guide pin, and wherein engagement of the at least one guide pin with the at least one channel properly aligns the device injector with the device holder.
7. The implantation assembly of claim 1 , wherein device holder includes a cover, and wherein the cover inhibits or prevents accidental removal of the iris-expanding device from the recess.
8. An iris-expanding device holder comprising:
a holder body having:
a first end and a second end,
a first side extending between the first end and the second end, and
a second side opposite the first side and extending between the first and the second end;
a device recess in the holder body, the device recess open on the first side of the holder body and shaped to receive an iris-expanding device; and
an alignment recess in the holder body configured to cooperate with a guide of a device injector;
wherein the device recess includes tapered walls extending from an access channel, the tapered walls configured to assist in collapsing the iris-expanding device when the iris-expanding device is pulled from the device recess.
9. The iris-expanding device holder of claim 8 , wherein the access channel extends from the device recess through the first end of the holder body.
10. The iris-expanding device holder of claim 8 , further comprising a cover configured to releasably connect to the first side of the holder body.
11. The iris-expanding device holder of claim 10 , wherein the cover includes an opening configured to allow an operator of the device holder to visually see a hook of a device injector when the hook is extended into the device recess.
12. The iris-expanding device holder of claim 10 , wherein the cover is connected to the holder body via one or more fasteners.
13. The iris-expanding device holder of claim 8 , wherein the alignment recess includes at least one ridge extending toward the first side of the holder body.
14. The iris-expanding device holder of claim 8 , further comprising a tapered indentation in the first end of the holder body configured to receive a tapered portion of the device injector.