Diagnostic device

Claim 2

In an endoscope useful to make examinations and retrievals in remote internal locations in medical or veterinary situations where the scope includes a pistol grip and a separate tubular element terminating in a flexible pneumatic bulb, the improvement comprising: mounting the tubular element and the bulb in the pistol grip.

Claim 3

An endoscope as defined in claim 1, wherein a cavity is formed in the pistol grip for receiving and supporting a portion of the bulb and an additional portion of the bulb projects beyond the pistol grip.

Claim 4

An endoscope as defined in claim 1, wherein said pistol grip terminates in a working end, conduit means being incorporated into said scope for directing gas pressure and vacuum to said working end, control means, including said bulb, on said pistol grip operable selectively in one-hand fashion to apply pressure or vacuum to said working end.

Claim 5

An endoscope as defined in claim 1, and having a shaft terminating in a working end, and further comprising: a first conduit for directing gas into said shaft toward said working end, said bulb forming a first pump for pulsing gas into said conduit, a second conduit connected to said first conduit for directing fluid into said shaft toward said working end, a second pump for introducing fluid into said second conduit, and check valve means in both conduits operable automatically and selectively to insure positive flow of air and fluid toward said working end.

Claim 6

The system of claim 4 which includes a third conduit communicating with a source of vacuum at one end and the work face of said shaft at the opposite end and an operating button for applying said vacuum.

Claim 7

The system of claim 4 in which the second pump is a syringe.