Ashtangasamgraha 34.11

34.11

tathāṅgulītrāṇakamaṅgulīpraveśitaṃ kiñcitsthūlavṛttauṣṭhamūrdhvādhaśchidraṃ gostanākṛti caturaṅgulaṃ dāntaṃ śārṅgaṃ vārkṣaṃ vā |

taddṛḍhena sūtreṇa maṇibandhapratibaddhamāsyavisrāvaṇe yojyam ||

vāyuḥ sampīḍya saṅkocya vakrīkṛtya viśoṣya ca |

nisphuraṃ nīrujaṃ granthiṃ kurute sa sirāhvayaḥ ||

Likewise, a finger-guard, into which a finger is inserted, having somewhat thick, rounded lips, with upper and lower openings, cow-teat-shaped, four fingers [long], made of ivory, horn, or wood. / Fastened with a strong thread to the wrist, it should be employed in draining the mouth. // Vāta, having compressed, constricted, bent, and dried up [the veins], / produces a non-pulsating, painless knot; that is called sirā-knot [varix].