| 摘要 |
PCT No. PCT/AU91/00187 Sec. 371 Date Dec. 22, 1992 Sec. 102(e) Date Dec. 22, 1992 PCT Filed May 7, 1991 PCT Pub. No. WO91/16854 PCT Pub. Date Nov. 14, 1991.A clinical appliance which is useful for taking samples from a tissue or a tissue-associated material is disclosed. The appliance has a head and a handle and a pressure-sensitive means which comprises the head and the handle attached by a resiliently deformable member, and an instrument retained in the head. Marks are provided respectively on the head and the handle to indicate that when the marks are aligned, a selected force is being exerted on the instrument. A portion of the instrument which, in this case, consists of a needle member for probing periodontal pockets. A handle which is useful in a clinical appliance is also disclosed. The handle is an elongate member having an attachment means at one end which comprises a pair of spaced-apart parallel plates and a shaped opening intermediate the plates. The attachment means is to allow the fitting of a head to the handle. Adjacent to the attachment means is a grip portion of the handle. The handle tapers from the grip over its length to a distal end.
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