US41243A - Improvement in fastenings for surgical instrufvi ents - Google Patents

Description

Be it known that I, GEORGE the city' of Brooklyn, in the county of Kings 4 andSt'ate of New York', haveinvented,made,

and applied touse acertain new and useful AImpr; vement.in Means for`Holdi`ng Surgical Instru-ments&'c., when 'Opened'Out of their lan'dlesyand I dohereby declare the following A to be a full, clear,and exact description of the UNITED STATES GEORGE-minimun, or BROOKLYN, New Yoan.v

fl M-PROVEM ENTJN FASTENIN'GS `FOR su aclcAL ius-rsu we Ems.

Specification forming part of Lette-rsPaten-t No. 4 l,243,vdated January 12, 1864.

To d ZZ whom, t may concern: l

TIEMANN, of

same, reference being had to the annex eddrawipggmaking part of this specificatiomwhere. '11u-ffii*- Figure' is a side view, and Fig. 2 is-an edge vievvgOLa-.Lsrgical Ainstrumentwith my iin- A 'with the instrument; but when turned across provem'ent attached.

. Similar marksof reference indicate thesame paris.A i

Knives and'variouskinds of instruments,

particularly surgical, have beenwitted into handles and provided with spring-catches and small slides to hold the instrument. open and rigidly projectingffrom'tbe handle, iuOrden :thatsuch' instrument may not. shut up `or `dos@ in to the han-d1@ whiiezin use rnje' springcatches arenot reliable, and are of such a character generally -as to injurel the nails of the fingers or thumb when releasing the springfor .theinstrumentto beclosed,and the vslides generally have passedv through slots, in the handleand have hence rendered thel han- -dleliahle to break. This is particularly. vthe case with small surgical instruments.

' The nature of my saidinvention consists in aturningfastener o'r-button applied-.to the. heel or shank ofthe instrument, and taking over theedge of v`the handle, so 'as to fasten 4 thefinstrume'nt in' positiouwhen Open.

inthe drawings, ad are the side pieces'forining the handle, in which' one'or more knives,

surgical or other instruments are fitted to open 0r shut by turning upon :a crosslpin, b, as usual. The instrument itself is representedA -at c, and is provided with a stop at d, formed Of small flanges that take upon the edges-Ofthe handle when theinstrnmentfisopen- These stops are well known.

e is my turning fastener Or button, made of a small piece of metal with a hole through it, loy which-it is to beat-tached te the instrument bya screw or pin,and l ,prefer that the same be introducedbelowan overhang-ingiiange formed vin the shank of the instrument. rlhe width Of this button is tobe such that it will pass'betweenthe sides of the handle -when parallel This improved,instrument-fastener may be formed asa button extending On both sides of the attaching pin or screw.

The advantages of this device 'will be apparent from-the foregoing.' Thev handle is not. weakened', there is Vnoopportunity for obstrucition vby dirt, and the button can freely be 'turnedin either'opening or closing the instrument; g I

What I claim, and desire to secure by Letters Patent, is

The'turning fastener'cl; button applied to surgical or other instrumen-ts to retain themin position when opened'out of a handle, as land 'for the purposes specified.

'In 'witness whereof I1 have hereunto set' my .signature this 23d day of November, 1863.

GEO. TIEMANN.

A"Witnesses: LEMUEL W. SERRELL',

T Hos. GEO. HAROLD.

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