vectisn.
/ˈvɛktɪs/ΘΚΠ
society > occupation and work > equipment > machine > parts of machines > lever > [noun]
swape1492
lever1648
vectis1648
sweep1657
1648 Bp. J. Wilkins Math. Magick i. v. 33 Rather suppose BC, to be a Vectis or Leaver, towards the middle of which is the place of the fulciment.
1674 W. Petty Disc. before Royal Soc. 119 In the Fuze of a Watch, the greatest strength of the Spring is made to work upon the shortest Vectis.
2. Surgery.
a. An obstetrical instrument employed as a lever to free the head of the child.
ΘΚΠ
the world > health and disease > healing > medical appliances or equipment > obstetrical equipment > [noun]
birth stool1627
forceps1634
ungula1684
unguis1752
fillet1753
crotchet1754
lack1754
tire-tête1754
perforator1790
vectis1790
cranioclast1860
binder1861
stirrup1936
vacuum extractor1954
birthing stool1956
ventouse1960
1790 Med. Communications 2 397 It is now near forty years since an account of the vectis or lever of Roonhuysen was published.
1822 J. M. Good Study Med. IV. 195 If, at the same time, the head be lying clear on the perinæum, the vectis or forceps should be had recourse to.
1841 F. H. Ramsbotham Princ. & Pract. Obstetr. Med. 314 Another instrument that has been much employed with the view of extracting the child living, is the vectis or lever.
1881 Trans. Obstetr. Soc. 22 78 I passed in a vectis, and by its aid as a lever..I brought down the second larger head and left arm.
b. An instrument employed in operations on the eye.
ΘΚΠ
the world > health and disease > healing > medical appliances or equipment > surgical instruments > [noun] > instruments used in eye operations
cataract-needle1688
cystitome1809
cystotome1847
suction tube1863
iris-forceps1874
iris-scissors1874
strabotome1875
vectis1882
cataract-knife-
1882 Illustr. to Maw's Price-current 77 [Eye instruments.] Vectis, Taylor's.
1891 Illustr. to Maw's Price-current 42 Ophthalmoscope lamp, operation scissors,..and vectis.
1895 Catal. Surg. Instruments (Arnold & Sons) 158 Vectis (Taylor's), for Extraction of Soft Lens.
This entry has not yet been fully updated (first published 1916; most recently modified version published online December 2020).
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