Specification of Louis Fontana : substances for surgical and therapeutical application.

  • Fontana, Louis.
Date:
1872
Catalogue details

Licence: Public Domain Mark

Credit: Specification of Louis Fontana : substances for surgical and therapeutical application. Source: Wellcome Collection.

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    Provisional Specification, A.D. 1872.—N° 1201. 3 Fontana!s Substances for Surgical and Therapeutical Application. substance on passing from the “ preparer ” is conveyed by hand or by automatic appliances to be divided into suitable portions for use, and to be parcelled or packed as required. (7.) Another apparatus of which I make use for the same purpose is 5 an endless band set in a framework, for which may be substituted any other suitable kind of channel or support for the substance, which is laid upon it so as to receive its impregnation or coating above or below from an automatic feeder or “ alimenteur,” and with proper appliances for returning the superfluous pharmaceutical composition to the feeder 10 or the receptacle for the supply of such feeder. (8.) The difference of the operation for giving a complete or partial impregnation or merely one or more superficial coatings in either case may be regulated with sufficient exactitude by the movement of the substance and by the supply from the feeder, which may be controlled 15 at pleasure according to the degree of pharmaceutical preparation to be given. (9.) There is an advantage not wholly indispensable in excluding as far as practicable atmospheric contact after the preparation herein-before described. To that end the prepared substance in packing is enclosed 20 in an envelope of any material normally impermeable and at the same time more or less sufficiently incorrodible or insoluble by impact of the prepared substance. This envelope will reduce to the minimum, if not entirely preclude, deterioration from exposure to the atmosphere. Laminated gutta percha in “ thin ” sheets, called sometimes gutta percha 25 cloth or tissue, is suitable for this purpose, and metallic envelopes of which the metal does not develope or evolve easily or copiously dele¬ terious oxide, which might prejudicially affect the application of the prepared substance if such oxide were absorbed by it. Por stationary use and other exceptional purposes, glass and vitrified argillaceous • 30 casings may be usefully employed, or vitrified coatings may be applied to the interior of the casings of metallic or other material, or such glass or vitrified envelopes may be properly protected for portability by external coverings. LONDON: Printed by George Edward Eyre and William Spottiswoode, Printers to the Queens most Excellent Majesty. 1872.