A concealed toilet in a vehicle includes a flexible container, a foundation member, a primary toilet seat member, lock hook assemblies, and a toilet seat cover. The flexible container with a waste containment bag is positioned in a cavity in a vehicle seat. The foundation member, attached to the flexible container, secures the flexible container to a seat brace of the vehicle seat. The foundation member includes bag holders and an elevated bag diverter for holding and diverting an upper portion of the waste containment bag respectively. The primary toilet seat member includes a tapered guide stud engageable with the elevated bag diverter. The lock hook assemblies lock with lock posts of the primary toilet seat member for securing the primary toilet seat member to the foundation member. The toilet seat cover with a concealment layer is positioned on the primary toilet seat member for concealing the waste containment bag.

A concealed toilet in a vehicle includes a flexible container, a foundation member, a primary toilet seat member, lock hook assemblies, and a toilet seat cover. The flexible container with a waste containment bag is positioned in a cavity in a vehicle seat. The foundation member, attached to the flexible container, secures the flexible container to a seat brace of the vehicle seat. The foundation member includes bag holders and an elevated bag diverter for holding and diverting an upper portion of the waste containment bag respectively. The primary toilet seat member includes a tapered guide stud engageable with the elevated bag diverter. The lock hook assemblies lock with lock posts of the primary toilet seat member for securing the primary toilet seat member to the foundation member. The toilet seat cover with a concealment layer is positioned on the primary toilet seat member for concealing the waste containment bag.

A hygienic protector for the collection and separation of human solid excrement, may be partially inserted into the opening of a toilet bowl, and comprises a central portion and a peripheral portion The central portion defines a container body for the collection and treatment of human solid excrement, and the peripheral portion protrudes externally with respect to the edge of the opening of the toilet bowl, and both provided in a water-soluble and biodegradable material. The container body comprises an opening shaped like the opening of the toilet bowl. At least one anti-odor membrane extends over the central portion, to close the opening. The membrane is water-soluble, biodegradable and heat-sensitive, which is adapted to puncture upon contact with the solid excrement, substantially at the area of contact.

A waste management chair system includes a chair having an inner-cavity with a toilet-receptacle slat and a toilet-receptacle, and a powered lift-mechanism. The waste management chair system is useful for providing a combined toilet and chair for patients, elderly, and anybody having difficulty being mobile.

A biological specimen collection apparatus may include markings for facilitating and positioning a sheet of material relative to an opening of a toilet seat so as to assist a user to properly depositing a biological specimen in the apparatus. The apparatus may also include a plurality of volumetric markings.

A toilet apparatus has a waste material receiving bowl with an opening at a top of the waste material receiving bowl. A bag receives and retains waste material and an absorbent media introduced through the opening. An agitation device agitate the absorbent media and the waste material at a lower portion of the bag to cause the absorbent media to at least substantially cover the waste material while the agitation device is not contacting the absorbent media and the waste material.

A toilet apparatus includes a waste material receiving bowl having a top member with an opening defining an annular seating surface, and an agitation device to agitate an absorbent media and the waste material disposed in the disposable bag while the agitation device does not come into contact with the absorbent media and the waste material. The toilet apparatus also includes a disposable bag having an upper edge to be releasably secured to the annular seating surface such that waste material introduced through the opening is received by and retained in the bag.

A hygienic protector for the collection and separation of human solid excrement, may be partially inserted into the opening of a toilet bowl, and comprises a central portion and a peripheral portion. The central portion defines a container body for the collection and treatment of human solid excrement, and the peripheral portion protrudes externally with respect to the edge of the opening of the toilet bowl, and both provided in a water-soluble and biodegradable material. The container body comprises an opening shaped like the opening of the toilet bowl.

At least one anti-odor membrane extends over the central portion, to close the opening. The membrane is water-soluble, biodegradable and heat-sensitive, which is adapted to puncture upon contact with the solid excrement, substantially at the area of contact.

A multi-liner assembly for lining a body liquid receptacle includes a plurality of lining units superimposed on one another and engageable with the body liquid receptacle to line a cavity formed therein. Each of the plurality of lining units includes an impermeable layer having a top side with an absorbent material superposed thereon. When the multi-liner assembly is engaged with the body liquid receptacle, a topmost one of the plurality of lining units is exposed and is individually removable from the multi-liner assembly to leave a subsequent one of the plurality of lining units exposed. A multi-liner assembly including a rigid support removably engageable with a body liquid receptacle is also provided. When a rigid support is engaged with the body liquid receptacle, the top side of at least one lining unit is exposed and positioned to line a cavity formed in the body liquid receptacle.

A toilet insert providing noise, stain and odor-prevention while using a toilet for solid waste. The material of the toilet insert is chosen to be biodegradable and water-soluble. The toilet insert is generally oval in shape, and forms a concave cover on the surface of water in a toilet bowl when in use. The material may further be scented or include odor-masking or odor-degrading treatment.