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Priority to ES1973199672UpriorityCriticalpatent/ES199672Y/en
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Publication of ES199672YpublicationCriticalpatent/ES199672Y/en
Infusion, Injection, And Reservoir Apparatuses
(AREA)
Abstract
Improvements in pistons for hypodermic syringes characterized by the functional combination of an elongated body, provided in its rear portion with a cover or support projecting and in its rear portion of a cover or support projecting and in its anterior portion of a support seat and securing a valvular means and valvular means characterized by a body provided with a posterior portion correspondingly of the seat in the elongated body to which it is secured, and an anterior portion of a frustum or hemispherical shape of an expandable rim. (Machine-translation by Google Translate, not legally binding)
ES1973199672U1973-11-221973-11-22
IMPROVEMENTS IN PACKAGING FOR HYPODERMIC SYRINGES.
ExpiredES199672Y
(en)