{"id":{"repo_id":"cape-town","oai_identifier":"oai:open.uct.ac.za:11427/17710"},"canonical_url":"https://search.dev.ndltd.org/etd/cape-town/oai:open.uct.ac.za:11427/17710","repository":{"repo_id":"cape-town","name":"University of Cape Town","base_url":"https://open.uct.ac.za/oai/request"},"display":{"title":"Engineering external heart assist device","abstract":"The work described herein is an independent and original work carried out in the Department of Chemical Engineering on a heart assist device which was designed, built and tested in the laboratory. The project can be divided into a mechanical and an electrical task, both of which were undertaken by the author. The electrical task involved design and construction of a portable console adapted to receive a triggering signal and to activate a series of controls either in a sequential or singular fashion. The system also comprises a pulse frequency counter and a safety shut- off control circuits. A portable pressure-vacuum supply system and a pressure pulsating mechanism comprise the work done in completing the mechanical task. Of the two pressure pulsating mechanisms built and tested in the laboratory it is shown that a minimum flow, rigidly enclosed system is superior to a high flow, variable volume one. The design of the electronic console, pressure supply system and pressure pulsating mechanism is described and a description of the laboratory tests carried out so far is given.","abstract_html":"The work described herein is an independent and original work carried out in the Department of Chemical Engineering on a heart assist device which was designed, built and tested in the laboratory. The project can be divided into a mechanical and an electrical task, both of which were undertaken by the author. The electrical task involved design and construction of a portable console adapted to receive a triggering signal and to activate a series of controls either in a sequential or singular fashion. The system also comprises a pulse frequency counter and a safety shut- off control circuits. A portable pressure-vacuum supply system and a pressure pulsating mechanism comprise the work done in completing the mechanical task. Of the two pressure pulsating mechanisms built and tested in the laboratory it is shown that a minimum flow, rigidly enclosed system is superior to a high flow, variable volume one. The design of the electronic console, pressure supply system and pressure pulsating mechanism is described and a description of the laboratory tests carried out so far is given.","abstract_has_math":false,"creators":["Bašić, Petar Frano"],"institution":"Department of Mechanical Engineering","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1974,"date_issued":"1974","date_published":"1974","updated_at":"2026-07-22T22:22:51Z","subjects":[],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11427/17710","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Bašić, Petar Frano"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2016-03-14T07:16:54Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2016-03-14T07:16:54Z"]},{"key":"dc:date.issued","label":"Date","values":["1974"]},{"key":"dc:publisher.department","label":"Dc Publisher Department","values":["Department of Mechanical Engineering"]},{"key":"dc:publisher.institution","label":"Dc Publisher Institution","values":["University of Cape Town"]},{"key":"dc:type","label":"Dc Type","values":["Master Thesis"]},{"key":"dc:type.qualificationlevel","label":"Dc Type Qualificationlevel","values":["Masters"]},{"key":"dc:type.qualificationname","label":"Dc Type Qualificationname","values":["MSc (Eng)"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/11427/17710"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["The work described herein is an independent and original work carried out in the Department of Chemical Engineering on a heart assist device which was designed, built and tested in the laboratory. The project can be divided into a mechanical and an electrical task, both of which were undertaken by the author. The electrical task involved design and construction of a portable console adapted to receive a triggering signal and to activate a series of controls either in a sequential or singular fashion. The system also comprises a pulse frequency counter and a safety shut- off control circuits. A portable pressure-vacuum supply system and a pressure pulsating mechanism comprise the work done in completing the mechanical task. Of the two pressure pulsating mechanisms built and tested in the laboratory it is shown that a minimum flow, rigidly enclosed system is superior to a high flow, variable volume one. The design of the electronic console, pressure supply system and pressure pulsating mechanism is described and a description of the laboratory tests carried out so far is given."]},{"key":"dc:title","label":"Title","values":["Engineering external heart assist device"]}]}],"canonical_facts":{"dc:creator":["Bašić, Petar Frano"],"dc:date.accessioned":["2016-03-14T07:16:54Z"],"dc:date.available":["2016-03-14T07:16:54Z"],"dc:date.issued":["1974"],"dc:description.abstract":["The work described herein is an independent and original work carried out in the Department of Chemical Engineering on a heart assist device which was designed, built and tested in the laboratory. The project can be divided into a mechanical and an electrical task, both of which were undertaken by the author. The electrical task involved design and construction of a portable console adapted to receive a triggering signal and to activate a series of controls either in a sequential or singular fashion. The system also comprises a pulse frequency counter and a safety shut- off control circuits. A portable pressure-vacuum supply system and a pressure pulsating mechanism comprise the work done in completing the mechanical task. Of the two pressure pulsating mechanisms built and tested in the laboratory it is shown that a minimum flow, rigidly enclosed system is superior to a high flow, variable volume one. The design of the electronic console, pressure supply system and pressure pulsating mechanism is described and a description of the laboratory tests carried out so far is given."],"dc:identifier.uri":["http://hdl.handle.net/11427/17710"],"dc:language.iso":["eng"],"dc:publisher.department":["Department of Mechanical Engineering"],"dc:publisher.institution":["University of Cape Town"],"dc:title":["Engineering external heart assist device"],"dc:type":["Master Thesis"],"dc:type.qualificationlevel":["Masters"],"dc:type.qualificationname":["MSc (Eng)"]},"updated_at":"2026-07-22T22:22:51Z"}