Feeding device for a monomer
First Claim
1. Delivery device fir a monomers comprising:
- an elongate container designed to enclose at least one ampoule containing the monomer, the container at one end being provided with a connection for delivering the monomer to a mixing device, pre-filled with a polymer, for the preparation of bone cement under vacuum, and at its other end having a cap and in the container wall, at least one air inlet aperture and manually actuatable elements for opening at least one ampoule wherein the cap is removable from the container and has holding elements designed by means of a positively interlocking engagement to hold fast an ampoule neck inserted into the holding elements, and wherein the said opening element includes a knob, in threaded engagement with a draw rod, the remote end of which extends past the base of the said at least one ampoule and has a spike pointing towards the base of each at least one ampoule, it being possible to make the spike penetrate the base by turning the knob.
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Accused Products
Abstract
The invention relates to a delivery device for a monomer and comprises an elongate container (2). This is designed to enclose at least one ampoule containing the monomer. At one end the container (2) has a connection (2a) for delivering the monomer to a mixing device, pre-filled with a polymer, for the preparation of bone cement under vacuum. At its other end the container (2) has a cap (2b). In the container wall there is an air inlet aperture (2c). There are also manually actuatable elements for opening at least one ampoule (3a, 3b). The cap (2b) is removable from the container (2) and has holding elements (3) designed by means of a positively interlocking engagement to hold fast an ampoule neck (3a1, 3b1) inserted into the said holding elements 3. The said opening elements comprise a knob (4), which is in threaded engagement (4a) with a draw rod. The remote end (1) of the draw rod (5) extends past the base (3a2, 3b2) of the said ampoule(s) (3a, 3b) and has a spike (6) pointing towards the base (3a2, 3b2) of each ampoule, it being possible to make the spike penetrate the base (3a2, 3b2) by turning the knob (4).
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Citations
4 Claims
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1. Delivery device fir a monomers comprising:
an elongate container designed to enclose at least one ampoule containing the monomer, the container at one end being provided with a connection for delivering the monomer to a mixing device, pre-filled with a polymer, for the preparation of bone cement under vacuum, and at its other end having a cap and in the container wall, at least one air inlet aperture and manually actuatable elements for opening at least one ampoule wherein the cap is removable from the container and has holding elements designed by means of a positively interlocking engagement to hold fast an ampoule neck inserted into the holding elements, and wherein the said opening element includes a knob, in threaded engagement with a draw rod, the remote end of which extends past the base of the said at least one ampoule and has a spike pointing towards the base of each at least one ampoule, it being possible to make the spike penetrate the base by turning the knob. - View Dependent Claims (2, 3, 4)
Specification