A dispenser for delivering a suppository within a body cavity. The dispenser has two main components: a barrel and a plunger. The barrel includes a head, a foot, and a body having a length and extending between the head and the foot. The barrel further defines an axial passage disposed along subst
A dispenser for delivering a suppository within a body cavity. The dispenser has two main components: a barrel and a plunger. The barrel includes a head, a foot, and a body having a length and extending between the head and the foot. The barrel further defines an axial passage disposed along substantially the entire length of the body beginning at the foot and ending proximate the head, and includes a side aperture providing external access through the body of the barrel to the axial passage at the head of the barrel. The plunger includes a nose, a tail, and a frame extending between the nose and the tail. The plunger is sized to travel within the axial passage of the barrel between a relaxed position and a compressed position, in which a suppository is ejected from the side aperture, upon actuation.
대표청구항▼
What is claimed is: 1. A dispenser for delivering a suppository within a body cavity, the dispenser comprising: a barrel including a head, a foot, and a body having a length and extending between the head and the foot, the barrel further (a) defining an axial passage disposed along substantially th
What is claimed is: 1. A dispenser for delivering a suppository within a body cavity, the dispenser comprising: a barrel including a head, a foot, and a body having a length and extending between the head and the foot, the barrel further (a) defining an axial passage disposed along substantially the entire length of the body beginning at the foot and ending proximate the head, and (b) including a side aperture providing external access through the body of the barrel to the axial passage at the head of the barrel; and a plunger inserted in the axial passage and including a nose, a tail, and a frame extending between the nose and the tail and having a length sized to travel within the axial passage of the barrel between a relaxed position and a compressed position, and wherein the nose has a resilient folding protrusion extending therefrom for pushing the suppository through the side aperture as it folds upon travel of the plunger from its relaxed position toward its compressed position. 2. The dispenser according to claim 1, wherein the barrel further includes one or more gripping fingers disposed in the head to secure the suppository within the side aperture. 3. The dispenser according to claim 1, wherein the folding protrusion of the plunger has at least one hinge facilitating bending of the folding protrusion. 4. The dispenser according to claim 1, wherein the folding protrusion of the plunger has a tip and the head of the barrel has a shoulder, the tip abutting the shoulder and preventing movement of the folding protrusion in a first direction, thereby causing the folding protrusion to bend. 5. The dispenser according to claim 1, wherein the barrel further includes a depth indicator on its external surface. 6. The dispenser according to claim 1, wherein the barrel further includes a plurality of holes in its body and the plunger further includes a corresponding number of resilient locator tabs on the frame, the locator tabs engaging the holes to provide a physical indication of the position of the plunger relative to the barrel. 7. The dispenser according to claim 1, wherein the barrel further includes one or more ribs disposed along the exterior surface of the barrel to provide texture facilitating a secure gripping of the barrel. 8. The dispenser according to claim 1, wherein the barrel further includes a guide disposed on an inner surface of its body and the plunger further includes a corresponding track, the track receiving the guide when the plunger is inserted in the axial passage of the barrel. 9. The dispenser according to claim 1, wherein the head of the barrel presents a solid, smooth, continuous, rounded surface. 10. The dispenser according to claim 1, wherein the plunger further includes side rails disposed along the length of the frame, the side rails contacting inside walls of the body of the barrel as the plunger traverses the axial passage of the barrel, as necessary, to maintain the plunger running along the axis of the barrel. 11. A dispenser for delivering a suppository within a body cavity, the dispenser comprising: a barrel including a foot, a head having a shoulder and presenting a solid, smooth, continuous, rounded surface, and a body having a length and extending between the head and the foot, the barrel further (a) defining an axial passage disposed along substantially the entire length of the body beginning at the foot and ending proximate the head, and (b) including a side aperture providing external access through the body of the barrel to the axial passage at the head of the barrel; and a plunger inserted in the axial passage including: (a) a nose and a resilient folding protrusion extending from the nose, the folding protrusion having at least one hinge facilitating bending of the folding protrusion and a tip abutting the shoulder of the head of the barrel and preventing movement of the folding protrusion in a first direction parallel to the axial passage, thereby causing the folding protrusion to bend, (b) a tail adapted to receive force applied by a user to the plunger, and (c) a frame extending between the nose and the tail and having a length sized to travel within the axial passage of the barrel between a relaxed position and a compressed position, wherein the suppository is pushed through the side aperture by said protrusion as the plunger travels from its relaxed position toward its compressed position. 12. The dispenser according to claim 11, wherein the barrel further includes one or more gripping fingers disposed in the head to secure the suppository within the side aperture. 13. The dispenser according to claim 11, wherein the barrel further includes a depth indicator on its external surface. 14. The dispenser according to claim 11, wherein the barrel further includes a plurality of holes in its body and the plunger further includes a corresponding number of resilient locator tabs on the frame, the locator tabs engaging the holes to provide a physical indication of the position of the plunger relative to the barrel. 15. The dispenser according to claim 11, wherein the barrel further includes one or more ribs disposed along the exterior surface of the barrel to provide texture facilitating a secure gripping of the barrel. 16. The dispenser according to claim 11, wherein the barrel further includes a guide disposed on an inner surface of its body and the plunger further includes a corresponding track, the track receiving the guide when the plunger is inserted in the axial passage of the barrel. 17. The dispenser according to claim 11, wherein the plunger further includes side rails disposed along the length of the frame, the side rails contacting inside walls of the body of the barrel as the plunger traverses the axial passage of the barrel, as necessary, to maintain the plunger running along the axis of the barrel. 18. A dispenser for delivering a suppository within a body cavity, the dispenser comprising: a barrel including: (a) a foot, (b) a head having a shoulder and one or more gripping fingers for securing a suppository within the side aperture and presenting a solid, smooth, continuous, rounded surface, and (c) a body having a length and a plurality of holes and extending between the head and the foot, the barrel further (i) defining an axial passage disposed along substantially the entire length of the body beginning at the foot and ending proximate the head, and (ii) including a side aperture providing external access through the body of the barrel to the axial passage at the head of the barrel; and a plunger inserted in the axial passage including: (a) a nose and a resilient folding protrusion extending from the nose, the folding protrusion having at least one hinge facilitating bending of the folding protrusion and a tip abutting the shoulder of the head of the barrel and preventing movement of the folding protrusion in a first direction parallel to the axial passage, thereby causing the folding protrusion to bend, (b) a tail, and (c) a frame extending between the nose and the tail and having a length sized to travel within the axial passage of the barrel between a relaxed position and a compressed position, wherein the suppository is pushed through the side aperture by said protrusion as the plunger travels from its relaxed position toward its compressed position the frame further having a number of resilient locator tabs engaging the plurality of holes in the body of the barrel to provide a physical indication of the position of the plunger relative to the barrel. 19. The dispenser according to claim 18, wherein the barrel further includes a guide disposed on an inner surface of its body and the plunger further includes a corresponding track, the track receiving the guide when the plunger is inserted in the axial passage of the barrel.
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