A COVER-SLIP HOLDER.

A Holder Needle.

THE finest movements of surgery are made with the fingers and thumb, not with the wrist and hand as a whole. In the usual method of suturing, the needle is grasped by the needle-holder which is held more or less in the palm of the hand. The fine, sharp needles of ophthalmic surgery, such as those made by Grieshaber, inevitably become dulled as they are grasped by the metal blades of the needle-...

Rethinking Holder

suggests are either slight or problematical themselves. But given that the profession still refuses to listen, the long, sad story of the scholarly tradition in English metrics cannot be told too often. Both experienced prosodists and those who are only occasional visitors to this field will find RM a useful and enjoyable guide to what Holder calls ’the muddled kingdom of meter’ (Chapter 1), ’t...

s ] 1 A ug 2 00 7 Cover slip external cavity diode laser

The design of a 671 nm diode laser with a mode-hop-free tuning range of 40 GHz is described. This long tuning range is achieved by simultaneously ramping the external cavity length with the laser injection current. The external cavity consists of a microscope cover slip mounted on piezoelectric actuators. In such a configuration the laser output pointing remains fixed, independent of its freque...

A Test Lens Rack Holder.

Comparison of PMAT Camera Holder with Human Camera Holder

Aim: During minimal access surgery an assistant is controlling the laparoscope and surgeon should be free to manipulate instruments. Although the advantages of laparoscopic surgery are well documented, one disadvantage is that, for optimum performance, an experienced camera driver is required who can provide the necessary views for the operating surgeon. There are many drawbacks in human camera...