Artificial Leeches

One of the characteristics of nineteenth-century technology was the attempt to replace natural materials and processes by imitations and mechanisms. Considering the properties of the natural leech, it is no wonder that very early in the nineteenth century inventors began to seek a mechanical substitute. The disadvantages of the leech were many. Wrote one inventor of an artificial leech:

In the first place the appearance of the animal is repulsive and disgusting, and delicate and sensitive persons find it difficult to overcome their repugnance to contact with the cold and slimy reptile. This is especially the case when it is a question of their application about or within the mouth. Then again, their disposition to crawl into cavities or passages results sometimes in very annoying accidents. Another source of annoyance is that they are often unwilling to bite—the patience of all concerned being exhausted in fruitless efforts to induce them to take hold.

The expense, too, of a considerable number is by no means trifling.[185]

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Figure 20.—Staffordshire leech jars, 19th century.
(NMHT 263554 [M-11504]; SI photo 73-4231.)

In addition, leeches were often difficult to obtain, and the rural physician could not easily carry them about. Leech bites could have unfortunate consequences, for many times the bleeding could not be stopped. For these and other reasons, several inventors in Europe and America sought to create a mechanical or artificial leech.[186] Such artificial leeches are often difficult to distinguish from cupping devices, because both sorts of instruments employed some form of scarification and suction. Artificial leeches however, were usually adaptable to small areas of the anatomy, and the puncture wound generally attempted to imitate a leech bite.

Perhaps the earliest instrument offered as a substitute for leeches was Sarlandière’s “bdellometer,” from the Greek bdello, “leech.” Sarlandière, a French manufacturer, introduced his instrument in 1819 and, incidentally, had the prototype sent to New Orleans. The bdellometer consisted of a glass bell with two protruding tubes, one perpendicular for performing scarification, and the other oblique, for attaching the aspirating pump. A plug could be removed to allow air to enter the bell after the operation was completed, and a faucet allowed for drainage of blood without having to remove the apparatus from the body. A curved cannula could be attached to the bdellometer for bleeding in the nasal passages, the mouth, the vagina, and the rectum. For internal bloodletting, the disk, with lancets, normally used for scarification, was replaced by a small brush of hog bristles.[187] Sarlandière’s bdellometer attracted sufficient attention in America to be included in the numerous editions of Robley Dunglison’s medical dictionary,[188] but it was ultimately no more successful than the complicated cupping devices discussed in the previous chapter.