Syringe with prevention of backflow of blood
First Claim
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1. A syringe with prevention of backflow of blood comprising:
- a hollow barrel including an injection end; and
a liquid pushing assembly including a plunger and an elastic jacket, with the plunger including a stopper on a front end thereof, with the stopper including an abutment face, with the plunger received in the barrel, with the abutment face of the stopper facing the injection end of the barrel, with the elastic jacket including a through-hole extending along an axis, with the elastic jacket mounted around the plunger, with the abutment face of the stopper exposed outside of the through-hole of the elastic jacket.
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Abstract
A syringe includes a hollow barrel and a liquid pushing assembly. The barrel has an injection end. The liquid pushing assembly includes a plunger and an elastic jacket. The plunger includes a stopper on a front end thereof. The stopper includes an abutment face. The plunger is received in the barrel. The abutment face of the stopper faces the injection end of the barrel. The elastic jacket includes a through-hole extending along an axis. The elastic jacket is mounted around the plunger. The abutment face of the stopper is exposed outside of the through-hole of the elastic jacket.
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Citations
9 Claims
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1. A syringe with prevention of backflow of blood comprising:
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a hollow barrel including an injection end; and a liquid pushing assembly including a plunger and an elastic jacket, with the plunger including a stopper on a front end thereof, with the stopper including an abutment face, with the plunger received in the barrel, with the abutment face of the stopper facing the injection end of the barrel, with the elastic jacket including a through-hole extending along an axis, with the elastic jacket mounted around the plunger, with the abutment face of the stopper exposed outside of the through-hole of the elastic jacket. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A liquid pushing assembly for a syringe with prevention of backflow of blood as comprising:
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a plunger including a stopper on an end thereof, with the stopper including an abutment face; and an elastic jacket including a through-hole extending along an axis, with the elastic jacket mounted around the plunger, with the abutment face of the stopper exposed outside of the through-hole of the elastic jacket. - View Dependent Claims (9)
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Specification