TWI728790B - Expiratory isolation system - Google Patents

Abstract

An expiratory isolation system includes a hood defining an inner space and defined with an opening in communication with the inner space, a neck fixing device defining a neck space and fitted to the patient’s neck, the neck fixing device is disposed in the inner space, a breathing apparatus inlet port inserted in the hood and connected to a breathing tube of an breathing apparatus, so that the user’s head is located in the inner space, thereby avoiding droplet infection and reducing environmental pollution.

Description

Exhalation isolation system

The present invention provides a respiratory system, and particularly relates to an exhalation isolation system.

Although the level of modern medical treatment has been greatly improved, unknown diseases are still emerging, especially highly infectious respiratory diseases, which can be transmitted through droplets, air or attached to objects. Due to the extremely high transmission efficiency, the threat to humans is not It can be said that, especially for high-risk groups who specialize in caring for patients, such as medical staff and caregivers, there is a need for an isolation system that can prevent droplet transmission and reduce environmental pollution concerns.

The present invention provides an exhalation isolation system, the main purpose of which is to prevent droplet infection and reduce environmental pollution concerns.

To achieve the foregoing objective, the exhalation isolation system of the present invention includes:

A hood surrounding an inner space, the hood having an opening, and the opening communicates with the inner space;

A neck fixation device that surrounds a neck space, the neck fixation device is adapted to be sleeved and fitted to the patient's neck, and the neck fixation device is arranged in the inner space; and

A respirator intake port is inserted through the hood, the respirator intake port is used for socketing with a breathing tube of the respirator, the side wall of the hood has an intake port hole, and the respirator intake port Combined with the intake port hole.

Based on the foregoing, the present invention mainly uses the hood to cover the user's head so that the user's head is located in the inner space, thereby avoiding droplet infection and reducing environmental pollution concerns. Furthermore, the hood has more An air inlet port of the respirator is used to connect a breathing tube of the respirator, thereby improving the practicability of the hood.

The present invention provides an exhalation isolation system, please refer to Figures 1 and 2, which includes:

A head cover 10 surrounds an inner space S to isolate the inner space S from the space outside the head cover 10. The head cover 10 has an opening 11 that communicates with the inner space S so that the patient's head It can extend into the inner space S. Preferably, the hood 10 further has a vent hole 12 that communicates with the inner space S. Preferably, the hood 10 further has at least one nursing hole 13, The nursing hole 13 is used for nursing staff to extend their hands into the inner space S to assist in feeding the patient and sucking sputum from the patient. In a specific embodiment, the hood 10 is a cylindrical body, and the hood 10 has opposite A top surface 10A and a bottom surface 10B. A side wall 10C is connected between the top surface 10A and the bottom surface 10B. The side wall 10C is ring-shaped. The opening 11 is opened on the bottom surface 10B, and the ventilation hole 12 is opened on the top surface 10A. , The number of the care holes 13 is two, and two of the care holes 13 are opened at positions opposite to the side wall 10C;

A moisture-permeable film 20 covers and is combined with the vent 12 to ensure that moisture in the inner space S is discharged through the moisture-permeable film 20, so that the hood 10 maintains a good air-permeable effect. The moisture-permeable film 20 can be made of micro-holes. Material, non-porous material or a composite of microporous and non-porous materials. The microporous material can include polytetrafluoroethylene PTFE microporous membrane, polyurethane PU microporous membrane, polyethylene PE porous membrane, and the non-porous material can be Thermoplastic polyurethane TPU hydrophilic non-porous film, the microporous and non-porous composite material can be a combination of PTFE microporous film and PU non-porous film, a combination of fabric and hydrophobic treatment agent coating, PP and PE porous film and PP laminate complex;

A neck fixing device 30 is in the shape of a ring and surrounds a neck space 31. The neck fixing device 30 can be sleeved and closely fitted to the patient’s neck. The neck space 31 is provided for the patient’s neck to wear. However, to achieve an airtight state, the neck fixing device 30 is disposed in the inner space S and placed on the bottom surface 10B. In this embodiment, the neck fixing device 30 is an inflatable bag. 30 also has an inflatable portion 32, the hood 10 has an inflatable hole 14, the inflatable portion 32 passes through the inflatable hole 14 to pass through the hood 10;

A respirator inlet port 40 penetrates the hood 10, the respirator inlet port 40 is provided for socketing with a breathing tube A1 of the respirator A, and the respirator inlet port 40 is a hollow cylinder. The side wall 10C of the hood 10 has an air inlet port 15, and the respirator air inlet port 40 is combined with the air inlet port hole 15, so that the respirator air inlet port 40 communicates with the inner space S and the outside of the hood 10 Space, so that the gas of the respirator A is discharged from the hood 10;

A suction port 50 penetrates the hood 10, the suction port 50 is used to sleeve the nasogastric tube and the suction tube, the suction port 50 is a hollow cylinder, and the side wall 10C of the hood 10 has A suction port hole 16, the suction port 50 is combined with the suction port hole 16, so that the suction port 50 communicates with the inner space S and the space outside the hood 10, so that the food in the nasogastric tube can be transported It is provided to the patient in the hood 10, and the suction port 50 can also allow the sputum in the suction tube to be discharged from the hood 10;

A first filter connection port 60 penetrates the hood 10, the first filter connection port 60 has a one-way valve structure, so that gas can only enter the inner space S from outside the hood 10, and the first The filter connection port 60 is a hollow cylinder. The side wall of the hood 10 has a first filter hole 17, and the first filter connection port 60 is combined with the first filter hole 17, so that the first filter connection port 60 is connected to the inner space S and the space outside the hood 10, so that the air in the space outside the hood 10 can be delivered to the inner space S, so as to prevent the patient from suffocating when the air source stops supplying air;

A second filter connection port 70 penetrates the hood 10, and the second filter connection port 70 has a one-way valve structure so that gas can only be discharged from the inner space S to the outside of the hood 10. The second filter connection port 70 is a hollow cylinder, the side wall 10C of the head cover 10 has a second filter hole 18, and the second filter connection port 70 is combined with the second filter hole 18 to allow the second filter The connecting port 70 communicates with the inner space S and the space outside the hood 10, and the gas in the inner space S is exhausted to the outside of the hood 10.

At least one filter 80 has the function of filtering bacteria and microorganisms. Preferably, the filter 80 is equipped with a filter membrane, the filter 80 has a connecting pipe 81, and the connecting pipe 81 is sleeved on the first filter The connection port 60 or the second filter connection port 70, the filter 80 is located outside the hood 10, and can filter the gas discharged from the inner space S to prevent the discharged gas from containing bacteria and viruses. The filter 80 It is also possible to filter the gas with microorganisms and bacteria outside the head cover 10 to prevent the patient from inhaling. In this embodiment, the number of the filters 80 is two, and one of the filters 80 is installed in the first filter connection port 60. The other filter 80 is installed in the second filter connection port 70.

10: Hood 10A: Top surface 10B: bottom surface 10C: Sidewall 11: opening 12: Vent holes 13: Nursing hole 14: Inflatable hole 15: Inlet port hole 16: suction port 17: The first filter hole 18: The second filter hole S: inner space 20: Moisture-permeable film 30: Neck fixation device 31: neck space 32: Inflatable part 40: Respirator inlet port 50: Suction port 60: First filter port 70: second filter port 80: filter 81: connecting pipe A: Respirator A1: Breathing tube

Figure 1 is a schematic diagram of the exhalation isolation system of the present invention. Figure 2 is a schematic diagram of the user using the exhalation isolation system.

10: Hood

10A: Top surface

10B: bottom surface

10C: Sidewall

11: opening

12: Vent holes

13: Nursing hole

14: Inflatable hole

15: Inlet port hole

16: suction port

17: The first filter hole

18: The second filter hole

S: inner space

20: Moisture-permeable film

30: Neck fixation device

31: neck space

32: Inflatable part

40: Respirator inlet port

50: Suction port

60: First filter port

70: second filter port

80: filter

81: connecting pipe

Claims (7)

An exhalation isolation system, comprising: a head cover surrounding an inner space, the head cover having an opening, the opening communicating with the inner space; a neck fixing device surrounding a neck space, and the neck fixing device is provided with Sleeve and fit on the patient’s neck, the neck fixing device is arranged in the inner space; a respirator inlet port is inserted through the hood, the respirator inlet port is provided for breathing with one of the respirators The side wall of the hood has an air inlet hole, and the air inlet port of the respirator is combined with the air inlet port hole; the hood has at least one nursing hole for the nursing staff to hold the hand Extending into the inner space; a suction port penetrates the hood, the suction port is provided for socketing with the nasogastric tube or the suction tube, the hood has a suction port hole, and the suction port is combined In the suction port hole; and the hood further has a vent hole, the vent hole communicates with the inner space, and a moisture-permeable film covering and combined with the vent hole. According to the exhalation isolation system described in claim 1, wherein the hood is a cylinder, the hood has a top surface and a bottom surface opposite to each other, and there is a side wall between the top surface and the bottom surface, and the side wall It is ring-shaped, the opening is opened on the bottom surface, and the vent hole is opened on the top surface. For the exhalation isolation system described in item 1 of the scope of patent application, wherein the neck fixing device is an inflatable bladder, the neck fixing device has an inflatable part, and the hood has an inflatable hole through which the inflatable part passes through the inflatable Hole to pass through the hood. For example, in the exhalation isolation system described in item 1 of the scope of patent application, there is another first filter connection port passing through the hood, and the first filter connection port has a one-way valve structure so that the gas is only The inner space can be entered from outside the hood, the hood has a first filter hole, and the first filter connection port is coupled to the first filter hole. For example, in the exhalation isolation system described in item 1 of the scope of patent application, there is a second filter connection port passing through the hood, and the second filter connection port has a one-way valve structure so that the gas is only The head cover can be discharged from the inner space, the side wall of the head cover is provided with a second filter hole, and the second filter connection port is combined with the second filter hole. The exhalation isolation system described in item 4 of the scope of patent application, wherein there is at least one filter for filtering bacteria and microorganisms, the filter has a connecting pipe, and the connecting pipe is sleeved in the first filter connection port , The filter is located outside the hood. The exhalation isolation system as described in item 5 of the scope of patent application, wherein there is at least one filter for filtering bacteria and microorganisms, and the filter has a connecting pipe, and the connecting pipe is sleeved in the second filter connection port , The filter is located outside the hood.

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