US1632686A - Means for withdrawing small quantities of medicaments from receptacles or containersand applying them to the body - Google Patents

Description

FROM TO THE BODY June 14, 1927.

R. M. WITHYCOMBE L QUANTITIES OF MEDICAMENTS MEANS FOR WITHDRAWI RECEPTACLES 0R CONTAINERS AND APPLYING THEM Filed Sept. 28,

R0261" Z /V W 25/4 or 30 r i, i

,{7 177777 War/2 639 one end'of a rigid holder. or stem, preter- Patented- Ju e/14,

UNITED; STATES PATENTTOFFICTE-J MEANS:

r03. WITHDRAWING-SMA L QUANTITIES or 'MEmoAMEnTs anon. anon]?- "IACLES OR CONTAINERS AND A PIPIJYING'THEM '.[0 THE BODY.

Application fileds tember 2a, 1926, Serial No. 13 ,224, and in Australiaoetober '1, 1925.

" This invention relates to improved means for withdrawing small quantities of medicaments from receptacles or containers and applying them to the body. My object has been toavoidwasteand spilling oi' the medicament and restrict-ed areas; more particularly to dental cavities priorto filling or stopping, or to the investing tissue and adjacent parts.

The invention consists in springing onto ably'a metal or vulcanite rod of small ,diam eter, a tip of tubular'r-esilient rubber in such a portion of reduced diameter of a length ap a manner that a portion ofthe tube projects a short distance beyond the end of the'holder or stem and thatthe portion of the tube on the stem forms an air tightjoint with the latter. The end of the stem may have proximately about half the length of the tubular rubber tip and said end may have one or more groovesor recesses to afford a better grip ofth-e rubber and thus prevent it slipping ofif' when inuse;

\ In some cases Imayform the projecting portion of the rubberfltip with a swelling or extension larger quantity of the medicament to be takenup, and I'may provide an additional opening laterally in said portion of the tip.

Preterablyalso Iprovide a rigid band or clip of suitable metal,'vulcan1te or hard rub-r her, or wood,which Wlll fit tightly over that tubular portion of the tip on the reduced 'end of the stem so as toprevent said tip slipping'ofi when in use.

But' in order that my. invention may be more clearlycomprehended I now refer to the accompanyingdrawingin which Figure 1, is auperspectiveview (slightly enlarged) of a preferred shape of lIlSlJl'Ll-- ment according to this invention, and] Figure 2, an enlarged perspective View 7 showing the reduced end-of the holder or stem with itsrubber tubular tip removed.

A holder or stem 35 knurled at 4: to afiord.

to facilitate its application to forming a chamber to enable a is turned down or reduced at 5 (see Figure .2) to form shoulder 6 against which tip/Z abuts. This tip 7 is of resilient tubular rubber of a length approximately twice the;

length of the reduced end of the-holderon which it is adapted to be firmly held when. n sprung thereon.

In use the .end holder or stem 3' with its tip 7 thereon is dipped into the medicament and pressed hrmly against a rigid part of the container so as to expel the air in the projecting portion of said tip 7. WVhen said resilient-tip 7 is permitted toregain its normal shape a small quantity of the medica i ment is drawn therein ready for applica tion to a dental cavity or other part of the body. It should be understood that the end of duced although it is soillustrated as preferred, for such end may have a collarink I claim tity of inedicamentfrom a receptacle and applying it to the body, comprising a holder or stem having a portion of its length at one end ot reduced cross-section to form an abutment-"o1" shoulder, and aresilient tip Q adapted tobe removably sprung over, and to project from the end of the reducedportion of said holder orstem.

2. A device for withdrawing a small quan-- tity of medicament from a receptacle and as holder or stem 3 need not necessarily here provide a better grip for LA device for withdrawing a s1na1lquan In testimony whereof I have hereunto set i my hand.

ROBERT MORSE WITHYOOMBE.

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