Loading patent…
AssigneeBmc Medical Co., Ltd.
InventorsJiuzhong Liu, Yunjing Chen, Zhi Zhuang, Fang Zheng, Anjun Zhang
Estimating the term…
A breathing gas delivery pipe, a nasal catheter, and a ventilation therapy device, where the breathing gas delivery pipe is used for delivering gas to a patient interface, and includes a gas delivery pipe body including a gas delivery channel and a heat preservation structure used for preserving heat of the gas delivered in the gas delivery channel such that, the heat preservation structure preserves the heat of the gas delivery pipe body, so that the temperature drop in the gas delivery channel can be effectively slowed down or avoided, thereby a temperature drop of the gas delivered in the gas delivery channel is further slowed down or avoided, and the generation of condensed water in the gas delivery channel is avoided.
A breathing gas delivery pipe configured to deliver gas to a patient interface, comprising a gas delivery pipe body (1), which comprises an inner pipe (4) defining a gas delivery channel (2) therein and an outer pipe (5) fitted outside the inner pipe (4), with pipe support ribs (6) arranged between the inner pipe (4) and the outer pipe (5) for keeping the inner pipe (4) and the outer pipe (5) spaced apart from each other, so that a heat preservation space (7) is formed between the inner pipe (4) and the outer pipe (5), wherein an electric heating wire (8) is arranged in a pipe wall of at least one of the inner pipe (4) and the outer pipe (5), and wherein an inner side surface (10) of the heat preservation space (7) is provided with protrusions (13) that are arranged at an interval in the circumferential direction and protrude from the inner side surface (10), and an outer side surface (11) of the heat preservation space (7) is provided with opposite protrusions (13) that protrude from the outer side surface (11), the protrusions (13) contact with the opposite protrusions (13) so as to form an air space (12) on at least one side of the protrusions (13) in the circumferential direction when the outer pipe (5) is squeezed and deformed.
A nasal catheter comprising a gas source connecting terminal, a patient interface, and a breathing gas delivery pipe, wherein one end of the breathing gas delivery pipe is connected to the gas source connecting terminal, and the other end of the breathing gas delivery pipe is connected to the patient interface and wherein the breathing gas delivery pipe comprises a gas delivery pipe body (1), which comprises an inner pipe (4) defining a gas delivery channel (2) therein and an outer pipe (5) fitted outside the inner pipe (4), with pipe support ribs (6) arranged between the inner pipe (4) and the outer pipe (5) for keeping the inner pipe (4) and the outer pipe (5) spaced apart from each other, so that a heat preservation space (7) is formed between the inner pipe (4) and the outer pipe (5), wherein an electric heating wire (8) is arranged in a pipe wall of at least one of the inner pipe (4) and the outer pipe (5), and wherein an inner side surface (10) of the heat preservation space (7) is provided with protrusions (13) that are arranged at an interval in the circumferential direction and protrude from the inner side surface (10), and an outer side surface (11) of the heat preservation space (7) is provided with opposite protrusions (13) that protrude from the outer side surface (11), the protrusions (13) contact with the opposite protrusions (13) so as to form an air space (12) on at least one side of the protrusions (13) in the circumferential direction when the outer pipe (5) is squeezed and deformed.
A ventilation therapy device comprising a nasal catheter, wherein the nasal catheter comprises a gas source connecting terminal, a patient interface, and a breathing gas delivery pipe, wherein one end of the breathing gas delivery pipe is connected to the gas source connecting terminal, and the other end of the breathing gas delivery pipe is connected to the patient interface and wherein the breathing gas delivery pipe comprises a gas delivery pipe body (1), which comprises an inner pipe (4) defining a gas delivery channel (2) therein and an outer pipe (5) fitted outside the inner pipe (4), with pipe support ribs (6) arranged between the inner pipe (4) and the outer pipe (5) for keeping the inner pipe (4) and the outer pipe (5) spaced apart from each other, so that a heat preservation space (7) is formed between the inner pipe (4) and the outer pipe (5), wherein an electric heating wire (8) is arranged in a pipe wall of at least one of the inner pipe (4) and the outer pipe (5), and wherein an inner side surface (10) of the heat preservation space (7) is provided with protrusions (13) that are arranged at an interval in the circumferential direction and protrude from the inner side surface (10), and an outer side surface (11) of the heat preservation space (7) is provided with opposite protrusions (13) that protrude from the outer side surface (11), the protrusions (13) contact with the opposite protrusions (13) so as to form an air space (12) on at least one side of the protrusions (13) in the circumferential direction when the outer pipe (5) is squeezed and deformed.
Dependencies are inferred from the claim text.