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There are two types of electric breast pumps, hospital-grade and personal-use. Hospital-grade pumps are larger and intended for multiple users. Personal-use pumps are generally intended for one user. Electric breast pumps are powered by a motor which supplies suction through plastic tubing to a horn that fits over the nipple.
This was the earliest known vacuum extractor to assist childbirth but it did not become popular. [3] Swedish professor Tage Malmstrom developed the ventouse, or Malmstrom extractor in the 1950s. Originally made with a metal cap, new materials such as plastics and siliconised rubber have improved the design so that it is now used more than forceps.
Menstrual extraction (ME) is a type of manual vacuum aspiration technique developed by feminist activists Lorraine Rothman and Carol Downer to pass the entire menses at once. . The non-medicalized technique has been used in small feminist self-help groups since 1971 and has a social role of allowing access to early abortion without needing medical assistance or legal approv
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Single-use double-valve manual vacuum aspirator. Vacuum or suction aspiration is a procedure that uses a vacuum source to remove an embryo or fetus through the cervix.The procedure is performed to induce abortion, as a treatment for incomplete spontaneous abortion (otherwise commonly known as miscarriage) or retained fetal and placental tissue, or to obtain a sample of uterine lining ...
Mass-produced nipple prostheses have been around and readily available for many years. Accessibility, for custom nipple prosthetics, remains a challenge although some manufacturers are beginning to provide services remotely using impression kits, color samples, and photographs.
To alleviate the labour involved in milking, much of the milking process has been automated during the 20th century: many farmers use semi-automatic or automatic cow traffic control (powered gates, etc.), the milking machine (a basic form was developed in the late 19th century) has entirely automated milk extraction, and automatic cluster removal is available to remove milking equipment after ...
A chase nipple is a short pipe fitting, which creates a path for wires between two electrical boxes. A chase nipple has male threads on one end only. The other end is a hexagon. The chase nipple passes through the knockouts of two boxes, and is secured by an internally threaded ring called a lock nut. [1] [2]