Prostate and rectum isolating device
An isolation device, prostate technology, used in balloon catheters, X-ray/γ-ray/particle irradiation therapy, drug devices, etc., can solve problems such as rectal cell loss, cell damage, prostate shaking, etc. broken effect
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Embodiment 1
[0030] Embodiment one: if figure 1 As shown, the thickness of the middle end 32 of the balloon is greater than the thickness of the front end 33 and the rear end 31 of the balloon. When filling, the thinner ends of the balloon are easier to fill, so that the balloon has an ellipsoidal structure, and the middle end of the balloon supports the prostate. Because the middle end is thicker, it can have a large elastic recovery force and can Hold the prostate firmly, and at the same time, due to the gravity of the prostate, the middle end will be pressed down to form a concave structure, and the thicker middle end can also provide material support for the re-deformation of the balloon.
Embodiment 2
[0031] Embodiment two: if figure 2 As shown, the inner side of the middle end 32 of the balloon is provided with a reinforcing rib 34 , and the reinforcing rib 34 is arranged around the inner surface of the balloon 3 . When the balloon is filled, the reinforcing rib pulls the middle end of the balloon so that the middle end is less likely to be deformed than the front and rear ends, so that the balloon presents an ellipsoidal structure. When the balloon supports the prostate, the inner Ribs provide support for the balloon. The reinforcing rib is arranged inside the middle end of the balloon, so that the reinforcing rib does not protrude from the surface of the balloon, and the balloon will not affect the deformation of the balloon when supporting the prostate, thereby not affecting the concave structure of the balloon.
[0032] The control valve can adopt the existing gas nozzle structure, and can also adopt the following structure. Such as image 3As shown, the control va...
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