Multipurpose dental syringe apparatus

Claim 2

Dental syringe apparatus characterized by being so constructed as to alternatively and selectively dispense a spray of air, water, mouthwash, mixture of air and water, and mixture of air and mouthwash, said dental syringe apparatus comprising: a. syringe means adapted to be held in the hand of a user including a main body portion and a nozzle portion having a liquid-conveying conduit therethrough, an air-conveying conduit therethrough and selectively operable valve means therein for allowing and preventing the passage of liquid and air through said respective syringe liquid and air conduits for alternatively and selectively dispensing a spray of air, liquid and a mixture of air and liquid from said nozzle portion; b. means for supplying air under pressure to said syringe means including an air supply means and a conduit means connected to said supply means for receiving air therefrom and for conveying the air through said conduit means and being operatively connected with said syringe air conduit means for supplying air thereto be dispensed out of said nozzle portion; c. means for supplying water under pressure to said syringe means including a water supply means and a conduit means connected to said supply means for receiving water therefrom and for conveying the water through said conduit means; d. means for supplying mouthwash under pressure to said syringe means including a mouthwash supply means and a conduit means connected to said supply means for receiving mouthwash therefrom and for conveying the mouthwash through said conduit means; e. valve means operatively connected with said water conduit means and said mouthwash conduit means for selectively and alternatively allowing and preventing the conveying of water and mouthwash therethrough to said syringe liquid conduit means; and f. means operatively connected with said mouthwash conduit means, said water conduit means and said syringe liquid conduit means for merging said mouthwash conduit means and said water conduit means into said syringe liquid conduit means.

Claim 3

Dental syringe apparatus, as set forth in claim 1, in which said valve means operatively connected with said water conduit means and said mouthwash conduit means comprises solenoid valve means including manually operated, electrical switch means for selectively actuating said solenoid valve means to allow and prevent the conveying of water and mouthwash therethrough.

Claim 4

Dental syringe apparatus, as set forth in claim 1, in which said means for merging said mouthwash conduit means and said water conduit means into said syringe liquid conduit means comprises a generally Y-shaped connection means connected to all three of said conduit means.

Claim 5

Dental syringe apparatus characterized by being so constructed as to alternatively and selectively dispense a spray of air, water, mouthwash, mixture of air and water, and mixture of air and mouthwash, said dental syringe apparatus comprising: a. syringe means adapted to be held in the hand of a user including a main body portion and a nozzle portion having a liquid-conveying conduit therethrough, an air-conveying conduit therethrough and selectively operable valve means therein for allowing and preventing the passage of liquid and air through said respective syringe liquid and air conduits for alternatively and selectively dispensing a spray of air, liquid and a mixture of air and liquid from said nozzle portion; b. means for supplying air under pressure to said syringe means including an air supply means and a conduit means connected to said supply means for receiving air therefrom and for conveying the air through said conduit means and being operatively connected with said syringe air conduit means for supplying air thereto to be dispensed out of said nozzle portion; c. means for supplying water under pressure to said syringe means including a water supply means and a conduit means connected to said supply means for receiving water therefrom and for conveying the water through said conduit means; d. means for supplying mouthwash under pressure to said syringe means including a mouthwash supply means and a conduit means connected to said supply means for receiving mouthwash therefrom and for conveying the mouthwash through said conduit means; e. valve means operatively connected with said water conduit means and said mouthwash conduit means for selectively and alternatively allowing and preventing the conveying of water and mouthwash therethrough to said syringe liquid conduit means; and f. means operatively connected with said mouthwash conduit means, said water conduit means and said syringe liquid conduit means for merging said mouthwash conduit means and said water conduit means into said syringe liquid conduit means, said merging means being located in said syringe body portion at the lower end of said syringe liquid conduit means.

Claim 6

Dental syringe apparatus characterized by being so constructed as to alternatively and selectively dispense a spray of air, water, mouthwash, mixture of air and water, and mixture of air and mouthwash, said dental syringe apparatus comprising: a. syringe means adapted to be held in the hand of a user including a main body portion and a nozzle portion having a liquid-conveying conduit therethrough, an air-conveying conduit therethrough and selectively operable valve means therein for allowing and preventing the passage of liquid and air through said respective syringe liquid and air conduits for alternatively and selectively dispensing a spray of air, liquid and a mixture of air and liquid from said nozzle portion; b. means for supplying air under pressure to said syringe means including an air supply means and a conduit means connected to said supply means for receiving air therefrom and for conveying the air through said conduit means and being operatively connected with said syringe air conduit means for supplying air thereto to be dispensed out of said nozzle portion; c. means for supplying water under pressure to said syringe means including a water supply means and a conduit means connected to said supply means for receiving water therefrom and for conveying the water through said conduit means; d. means for supplying mouthwash under pressure to said syringe means including a mouthwash supply means and a conduit means connected to said supply means for receiving mouthwash therefrom and for conveying the mouthwash through said conduit means; e. valve means operatively connected with said water conduit means and said mouthwash conduit means for selectively and alternatively allowing and preventing the conveying of water and mouthwash therethrough to said syringe liquid conduit means; and f. means operatively connected with said mouthwash conduit means, said water conduit means and said syringe liquid conduit means for merging said mouthwash conduit means and said water conduit means into said syringe liquid conduit means, said merging means being located in said syringe body portion at the lower end of said syringe liquid conduit means.

Claim 7

Dental syringe apparatus, as set forth in claim 4, in which said valve means operatively connected with said water conduit means and said mouthwash conduit means comprises separate solenoid valves operatively connected in each of said water conduit means and said mouthwash conduit means and each of which includes manually operated, electrical switch means for selectively opening and closing each of said solenoid valve means to allow and prevent the conveying of water and mouthwash therethrough.

Claim 8

Dental syringe apparatus, as set forth in claim 4, in which said means for merging said mouthwash conduit means and said water conduit means into said syringe Liquid conduit means comprises a generally Y-shaped connection means connected to all three of said conduits and forming a part of each of said conduits.

Claim 9

Dental syringe apparatus characterized by being so constructed as to alternatively and selectively dispense a spray of air, water, mouthwash, mixture of air and water, and mixture of air and mouthwash, said dental syringe apparatus comprising: a. syringe means adapted to be held in the hand of a user including a main body portion and a nozzle portion having a liquid-conveying conduit therethrough, an air-conveying conduit therethrough and selectively operable valve means therein for allowing and preventing the passage of liquid and air through said respective syringe liquid and air conduits for alternatively and selectively dispensing a spray of air, liquid and a mixture of air and liquid from said nozzle portion, said syringe means also including a hollow handle portion for the holding of the syringe in the hand of the user; b. means for supplying air under pressure to said syringe means including an air supply means and a conduit means connected to said supply means for receiving air therefrom and for conveying the air through said conduit means and being operatively connected with said syringe air conduit means for supplying air thereto to be dispensed out of said nozzle portion; C. means for supplying water under pressure to said syringe means including a water supply means and a conduit means connected to said supply means for receiving water therefrom and for conveying the water through said conduit means; d. means for supplying mouthwash under pressure to said syringe means including a mouthwash supply means and a conduit means connected to said supply means for receiving mouthwash therefrom and for conveying the mouthwash through said conduit means; e. valve means operatively connected with said water conduit means and said mouthwash conduit means for selectively and alternatively allowing and preventing the conveying of water and mouthwash therethrough to said syringe liquid conduit means; and f. means operatively connected with said mouthwash conduit means, said water conduit means and said syringe liquid conduit means for merging said mouthwash conduit means and said water conduit means into said syringe liquid conduit means, said merging means being located in said hollow handle portion of said syringe means.

Claim 10

Dental syringe apparatus characterized by being so constructed as to alternatively and selectively dispense a spray of air, water, mouthwash, mixture of air and water, and mixture of air and mouthwash, said dental syringe apparatus comprising: a. syringe means adapted to be held in the hand of a user including a main body portion and a nozzle portion having a liquid-conveying conduit therethrough, an air-conveying conduit therethrough and selectively operable valve means therein for allowing and preventing the passage of liquid and air through said respective syringe liquid and air conduits for alternatively and selectively dispensing a spray of air, liquid and a mixture of air and liquid from said nozzle portion, said syringe means also including a hollow handle portion for the holding of the syringe in the hand of the user; b. means for supplying air under pressure to said syringe means including an air supply means and a conduit means connected to said supply means for receiving air therefrom and for conveying the air through said conduit means and being operatively connected with said syringe air conduit means for supplying air thereto to be dispensed out of said nozzle portion; C. means for supplying water under pressure to said syringe means including a water supply means and a conduit means connected to said supply means for receiving water therefrom and for conveying the water through said conduit means; d. means for supplying mouthwash under pressure to said syringe means including a mouthwash supply means and a conduit means connected to said supply means for receiving mouthwash therefrom and for conveying the mouthwash through said conduit means; e. valve means operatively connected with said water conduit means and said mouthwash conduit means for selectively and alternatively allowing and preventing the conveying of water and mouthwash therethrough to said syringe liquid conduit means; and f. means operatively connected with said mouthwash conduit means, said water conduit means and said syringe liquid conduit means for merging said mouthwash conduit means and said water conduit means into said syringe liquid conduit means, said merging means being located in said hollow handle portion of said syringe means.

Claim 11

Dental syringe apparatus, as set forth in claim 7, in which said valve means operatively connected with said water conduit means and said mouthwash conduit means comprises separate solenoid valves operatively connected in each of said water conduit means and said mouthwash conduit means and each of which includes manually operated, electrical switch means for selectively opening and closing each of said solenoid valve means to allow and prevent the conveying of water and mouthwash therethrough.

Claim 12

Dental syringe apparatus, as set forth in claim 7, in which said means for merging said mouthwash conduit means and said water conduit means into said syringe liquid conduit means comprises a generally Y-shaped connection means connected to all three of said conduits and forming a part of each of said conduits.

Claim 13

Dental syringe apparatus characterized by being so constructed as to alternatively and selectively dispense a spray of air, water, mouthwash, mixture of air and water, and mixture of air and mouthwash, said dental syringe apparatus comprising: a. syringe means adapted to be held in the hand of a user including a main body portion and a nozzle portion having a liquid-conveying conduit therethrough, an air-conveying conduit therethrough and selectively operable valve means therein for allowing and preventing the passage of liquid and air through said respective syringe liquid and air conduits for alternatively and selectively dispensing a spray of air, liquid and a mixture of air and liquid from said nozzle portion; b. means for supplyiNg air under pressure to said syringe means including an air supply means and a conduit means connected to said supply means for receiving air therefrom and for conveying the air through said conduit means and being operatively connected with said syringe air conduit means for supplying air thereto to be dispensed out of said nozzle portion; c. means for supplying water under pressure to said syringe means including a water supply means and a conduit means connected to said supply means for receiving water therefrom and for conveying the water through said conduit means; d. means for supplying mouthwash under pressure to said syringe means including a mouthwash supply means and a conduit means connected to said supply means for receiving mouthwash therefrom and for conveying the mouthwash through said conduit means; e. valve means operatively connected with said water conduit means and said mouthwash conduit means for selectively and alternatively allowing and preventing the conveying of water and mouthwash therethrough to said syringe liquid conduit means; and f. means operatively connected with said mouthwash conduit means, said water conduit means and said syringe liquid conduit means for merging said mouthwash conduit means and said water conduit means into said syringe liquid conduit means, said merging means being disposed externally of said syringe means.

Claim 14

Dental syringe apparatus characterized by being so constructed as to alternatively and selectively dispense a spray of air, water, mouthwash, mixture of air and water, and mixture of air and mouthwash, said dental syringe apparatus comprising: a. syringe means adapted to be held in the hand of a user including a main body portion and a nozzle portion having a liquid-conveying conduit therethrough, an air-conveying conduit therethrough and selectively operable valve means therein for allowing and preventing the passage of liquid and air through said respective syringe liquid and air conduits for alternatively and selectively dispensing a spray of air, liquid and a mixture of air and liquid from said nozzle portion; b. means for supplyiNg air under pressure to said syringe means including an air supply means and a conduit means connected to said supply means for receiving air therefrom and for conveying the air through said conduit means and being operatively connected with said syringe air conduit means for supplying air thereto to be dispensed out of said nozzle portion; c. means for supplying water under pressure to said syringe means including a water supply means and a conduit means connected to said supply means for receiving water therefrom and for conveying the water through said conduit means; d. means for supplying mouthwash under pressure to said syringe means including a mouthwash supply means and a conduit means connected to said supply means for receiving mouthwash therefrom and for conveying the mouthwash through said conduit means; e. valve means operatively connected with said water conduit means and said mouthwash conduit means for selectively and alternatively allowing and preventing the conveying of water and mouthwash therethrough to said syringe liquid conduit means; and f. means operatively connected with said mouthwash conduit means, said water conduit means and said syringe liquid conduit means for merging said mouthwash conduit means and said water conduit means into said syringe liquid conduit means, said merging means being disposed externally of said syringe means.

Claim 15

Dental syringe apparatus, as set forth in claim 10, in which said valve means operatively connected with said water conduit means and said mouthwash conduit means comprises a single solenoid valve operatively connected in each of said water conduit means and said mouthwash conduit means and including a manually operated, electrical switch means for selectively actuating said solenoid valve means to allow and prevent the conveying of water and mouthwash therethrough.

Claim 16

Dental syringe apparatus, as set forth in claim 11, in which said means for merging said mouthwash conduit means and said water conduit means into said syringe liquid conduit means comprises a generally Y-shaped connection means connected to all three of said conduit means and forming part of said valve means which is operatively connected with said water conduit means and said mouthwash conduit means.