A negative pressure isolation transfer bag

Abstract

The invention discloses a negative pressure isolation transfer bag, comprising a head negative pressure isolation chamber and a body isolation bag. A support frame is fixedly installed on the outer surface of an air supply pipe. The support frame can be slightly moved upward when necessary to avoid the front of the mouth and nose, so as to facilitate the excretion of oral and nasal secretions. After the head support is put on, the transparent mask is in front of the eyes to ensure the front field of vision. The support frame can connect the air supply pipe to the mouth and nose to ensure smooth breathing. An elastic elastic tie is arranged at the lower end of the inner layer. After knotting, the innermost layer is slightly tightly fixed around the neck. A self-adhesive film is arranged at the lower end of the middle layer, which can fit the skin around the neck. The middle layer is fitted to the skin to form a closed space in the hood without leakage. A second zipper is fixedly installed at the lower end of the outer layer and is connected to the body isolation bag. A placket is fixedly installed on the outer surface of the first zipper and is connected to the shoulder and neck to ensure that the shoulder and neck connection is leak-free. The head negative pressure isolation chamber and the body isolation bag have simple structures, less materials, easy operation and good full isolation effect.

Description

Technical Field

[0001] The invention relates to the technical field of negative pressure isolation transfer bags, in particular to a negative pressure isolation transfer bag. Background Art

[0002] The negative pressure isolation cabin and stretcher are used together to form a biosafety negative pressure isolation stretcher, which is suitable for short-distance human transportation or transporting infectious patients on transport vehicles. It is particularly suitable for railway stations, airports, ports, and public places where people gather. It provides a temporary detention space for timely handling of suspected sources of infection with respiratory infectious diseases. It can easily and completely isolate the source of infection from the susceptible population anytime and anywhere, waiting for the next step of treatment. At the same time, it ensures that the spread of germs is well controlled on the way to the hospital to protect other people from infection.

[0003] Viral infections are now prevalent all over the world. Looking at various virus isolation and epidemic prevention equipment, equipment that maintains negative pressure for transporting patients is generally large in size, complex in structure, difficult to maintain, difficult to reuse and disinfect, and high in cost.

[0004] In view of the above problems, the present invention proposes a negative pressure isolation transfer bag. Summary of the invention

[0005] The purpose of the present invention is to provide a negative pressure isolation transfer bag, which can achieve complete isolation of patients during the patient transfer process, maintain negative pressure on the patient's head, have a small negative pressure space, and require less energy, thereby avoiding contamination of the surrounding environment and medical staff during the transfer of infectious sources, and can effectively reduce the cost of controlling the epidemic and reduce the intensity of anti-epidemic work, thereby solving the problems in the background technology that various virus isolation and epidemic prevention transfer equipment are generally large in size, complex in structure, difficult to maintain, difficult to reuse and disinfect, and high in cost.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a negative pressure isolation transfer bag, comprising a head negative pressure isolation chamber and a body isolation bag, the body isolation bag is fixedly installed at the lower end of the head negative pressure isolation chamber, the head negative pressure isolation chamber comprises a negative pressure filter mechanism, a head cover, an air supply pipe, a cylindrical isolation bag and a neck part, the negative pressure filter mechanism is fixedly installed at the upper end of the head negative pressure isolation chamber, the head cover is arranged on the outer surface of the head negative pressure isolation chamber, and one side is connected to the air supply pipe, the inside of the cylindrical isolation bag is provided with multiple layers, and is detachably installed on the outer surface of the head negative pressure isolation chamber, and is arranged at the lower end of the head cover, the neck part comprises an inner layer, a middle layer and an outer layer, and the neck part is sequentially provided with an inner layer, a middle layer and an outer layer from the inside to the outside;

[0007] The body isolation bag comprises a first zipper and a placket, wherein the first zipper is arranged on the outer surface of the body isolation bag, and the placket is fixedly installed on the outer surface of the first zipper and connected with the shoulder and neck.

[0008] Preferably, the head cover includes an elastic rubber ring, a helmet bracket, a transparent mask and a groove, the elastic rubber ring is fixedly mounted on the outer surface of the head cover, one end of the helmet bracket close to the transparent mask is detachably mounted on the outer surface of the head cover and is arranged inside the head negative pressure isolation chamber, the transparent mask is fixed to the front end of the helmet bracket, and the outer end is provided with a groove that engages with the elastic rubber ring.

[0009] Preferably, the air supply pipe includes an air inlet end and a support frame, the air inlet end is arranged at one end of the air supply pipe and at the outer end of the head negative pressure isolation chamber, the air inlet end is externally connected to an oxygen or air supported breathing device, and the support frame is fixedly installed on the outer surface of the air supply pipe and fixed to one side of the helmet frame.

[0010] Preferably, the helmet support is a component made of lightweight hard material.

[0011] Preferably, (the cylindrical isolation bag can be provided with multiple layers as needed, and three layers are taken as an example here) the cylindrical isolation bag includes a first layer, a second layer, a third layer and a separation seam, and the cylindrical isolation bag is installed with the first layer, the second layer and the third layer from the outside to the inside, and paper towels are pre-installed on the upper end of the inner wall, the first layer is seamlessly connected to the head negative pressure isolation chamber, and the second layer and the third layer are provided with a separation seam at one end close to the head negative pressure isolation chamber.

[0012] Preferably, (the cylindrical isolation bag can be provided with multiple layers as needed, and three layers are taken as an example here) the first layer is installed with a first isolation clip and a second isolation clip on the surface, the first isolation clip is installed on the outer surface of the first layer and is arranged at the upper end of the separation seam, the second isolation clip is installed at the lower end of the first isolation clip and is far away from the separation seam, and the third isolation clip is installed at the lower end of the second isolation clip and is installed at the far end outside the third layer.

[0013] Preferably, the transparent mask is a component with an elliptical structure.

[0014] Preferably, the inner layer, middle layer and outer layer of the neck piece are successively longer by 3 to 5 centimeters than the previous layer.

[0015] Preferably, an elastic tie is provided at the lower end of the inner layer of the neck piece, a self-adhesive film is provided at the lower end of the middle layer, and a second zipper is fixedly installed at the lower end of the outer layer.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] The present invention proposes a negative pressure isolation transfer bag, in which one end of the helmet bracket is detachably mounted on the outer surface of the hood and is arranged inside the head negative pressure isolation chamber. The helmet bracket is a component composed of lightweight hard materials, that is, the helmet bracket is repeatedly used after sterilization. The negative pressure filtering mechanism is fixedly mounted on the upper end of the head negative pressure isolation chamber, and the negative pressure filtering mechanism is relatively separated; the negative pressure space is small and the energy supply is small.

[0018] The present invention proposes a negative pressure isolation transfer bag, a cylindrical isolation bag (the cylindrical isolation bag can be provided with multiple layers as needed, and three layers are taken as an example here) with a first layer, a second layer and a third layer installed on one side from the outside to the inside, and paper towels are pre-installed on the upper ends of the inner walls. When there is secretion from the mouth and nose, the first isolation clip is opened, and the mouth and nose are wiped with the paper towels pre-installed on the upper end of the inner wall of the third layer, and the secretions are discharged into the third layer, and the first isolation clip is clamped; the second isolation clip is opened; the third isolation clip and the third layer and the inner paper towel are torn off, pulled out and discarded, and the third isolation clip is recovered; the second isolation clip is clamped, and the third isolation clip is clamped and installed at the far end of the innermost layer, and the cylindrical isolation bag is gathered in an external pocket, so that the cylindrical isolation bag can be repeatedly received and separated from the patient's oral and nasal secretions and vomitus when necessary, thereby extending the effective use time of the equipment.

[0019] The present invention proposes a negative pressure isolation transfer bag, wherein a support frame is fixedly installed on the outer surface of an air supply pipe and is fixed to one side of a helmet support. The support frame can be slightly moved upward when necessary to avoid the front of the mouth and nose to facilitate the excretion of oral and nasal secretions. After the head support is put on, the transparent mask is in front of the eyes to ensure the front field of vision. The support frame can connect the air supply pipe to the mouth and nose to ensure unobstructed breathing.

[0020] The negative pressure isolation transfer bag proposed by the present invention has an inner layer, a middle layer and an outer layer of a neck part which are 3 to 5 centimeters longer than the previous layer respectively; an elastic tie is arranged at the lower end of the inner layer, and the innermost layer is slightly tightly fixed around the neck after being knotted; a self-adhesive film is arranged at the lower end of the middle layer, which can fit the skin around the neck in a circle, and the middle layer is fitted to the skin to form a closed space inside the hood without leakage; a second zipper is fixedly installed at the lower end of the outer layer and is connected to the body isolation bag; a placket is fixedly installed on the outer surface of the first zipper and is connected to the shoulder and neck to ensure that there is no leakage in the shoulder and neck connection; the head negative pressure isolation chamber and the body isolation bag have simple structures, use less materials, are easy to operate, and have good full isolation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 This is a schematic diagram of the structure of the head negative pressure isolation chamber of the present invention;

[0023] Figure 3 It is a schematic diagram of the groove structure of the present invention;

[0024] Figure 4 It is a schematic diagram of the structure of a cylindrical isolation bag of the present invention;

[0025] Figure 5 For the present invention Figure 1 Enlarged view of point A in the middle.

[0026] In the figure: 1. Head negative pressure isolation chamber; 11. Negative pressure filtering mechanism; 12. Head cover; 121. Elastic rubber ring; 122. Helmet bracket; 123. Transparent mask; 124. Groove; 13. Air supply pipe; 131. Air inlet end; 132. Support frame; 14. Cylindrical isolation bag; 141. First layer; 1411. First isolation clip; 1412. Second isolation clip; 1413. Third isolation clip; 142. Second layer; 143. Third layer; 144. Breaking seam; 15. Neck piece; 151. Inner layer; 1511. Elastic tie; 152. Middle layer; 1521. Self-adhesive film; 153. Outer layer; 1531. Second zipper; 2. Body isolation bag; 21. First zipper; 22. Placket. (The cylindrical isolation bag can be provided with multiple layers as needed, and here 3 layers are taken as an example) DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] See also Figure 1 A negative pressure isolation transfer bag comprises a head negative pressure isolation chamber 1 and a body isolation bag 2. The body isolation bag 2 is fixedly installed at the lower end of the head negative pressure isolation chamber 1. The head negative pressure isolation chamber 1 comprises a negative pressure filtering mechanism 11, a head cover 12, an air supply pipe 13, a cylindrical isolation bag 14 and a neck part 15. The negative pressure filtering mechanism 11 is fixedly installed at the upper end of the head negative pressure isolation chamber 1. The head cover 12 is arranged on the outer surface of the head negative pressure isolation chamber 1, and one side is connected to the air supply pipe 13. The inner surface of the cylindrical isolation bag 14 is provided with a plurality of air supply pipes 13, and the ... The body isolation bag 2 is provided with multiple layers and is detachably mounted on the outer surface of the head negative pressure isolation chamber 1 and is arranged at the lower end of the hood 12. The neck piece 15 includes an inner layer 151, a middle layer 152 and an outer layer 153. The neck piece 15 is sequentially installed with the inner layer 151, the middle layer 152 and the outer layer 153 from the inside to the outside. The body isolation bag 2 includes a first zipper 21 and a placket 22. The first zipper 21 is arranged on the outer surface of the body isolation bag 2, and the placket 22 is fixedly mounted on the outer surface of the first zipper 21 and is connected to the shoulder and neck.

[0029] See also Figure 2 and Figure 3The hood 12 includes an elastic rubber ring 121, a helmet bracket 122, a transparent mask 123 and a groove 124. The elastic rubber ring 121 is fixedly mounted on the outer surface of the hood 12. One end of the helmet bracket 122 close to the transparent mask 123 is detachable and mounted on the inner surface of the hood 12, and is arranged inside the head negative pressure isolation chamber 1. The transparent mask 123 is fixed to the front end of the helmet bracket 122, and the outer end is provided with a groove 124 that is engaged with the elastic rubber ring 121. The helmet bracket 122 is a component made of a lightweight hard material, and the transparent mask 123 is a component of an elliptical structure. The transparent mask 123 can be assembled with the head The helmet bracket 122 is disinfected together and reused. After the helmet bracket 122 is put on, the transparent mask 123 is in front of the eyes to ensure the front field of vision. The support frame 132 can connect the air supply pipe 13 to the mouth and nose to ensure unobstructed breathing. The air supply pipe 13 includes an air inlet end 131 and a support frame 132. The air inlet end 131 is arranged at one end of the air supply pipe 13 and at the outer end of the head negative pressure isolation chamber 1. The air inlet end 131 is externally connected to an oxygen or air supported breathing device. The support frame 132 is fixedly installed on the outer surface of the air supply pipe 13. The support frame 132 can be moved slightly upward when necessary to avoid the front of the mouth and nose, so as to facilitate the excretion of oral and nasal secretions.

[0030] See also Figure 4, (the cylindrical isolation bag can be provided with multiple layers as needed, and three layers are used as an example here) the cylindrical isolation bag 14 includes a first layer 141, a second layer 142, a third layer 143 and a separation seam 144. The cylindrical isolation bag 14 is installed with the first layer 141, the second layer 142 and the third layer 143 from the outside to the inside, and the upper end of the inner wall is pre-set with paper towels. The first layer 141 is seamlessly connected to the head negative pressure isolation chamber 1, and the second layer 142 and the third layer 143 are close to the head negative pressure isolation chamber 1. A separation seam 144 is provided at one end of the separation chamber 1 to maintain the isolation function but not to separate. A first isolation clip 1411 and a second isolation clip 1412 are installed outside the first layer 141. Above the preset separation seam 144, the first isolation clip 1411 is clamped outside horizontally; below the separation seam 144, the second isolation clip 1412 is clamped outside horizontally at the far end; the third layer 143 is clamped outside horizontally at the far end. For ease of use, the exposed portion of the inner layer at the far end can be slightly longer than that of the outer layer, which is convenient for the third layer 143. The isolation clamp 1413 is clamped and taken; the pre-set separation seams 144 of each layer of the cylindrical isolation bag can be at the same position, and a pocket is set outside the protective clothing, on the chest or neck under the mandible to place the cylindrical isolation bag, so that it is easy to take and put away. After the cylindrical isolation bag is gathered, it will not affect the work, and it is beautiful and unobstructed. After there is secretion from the mouth and nose, open the first isolation clamp 1411, and use the paper towel pre-set on the upper end of the inner wall of the third layer 143 to wipe the mouth and nose, and discharge the secretion into the third layer 143; clamp the first isolation clamp 1411; open the second isolation clamp 1412; tear off the paper towel on the inner wall of the third isolation clamp 1413 and the third layer 143, and then discard it, and recycle the third isolation clamp 1413; clamp the second isolation clamp 1412, and then clamp and install the third isolation clamp 1413 on the outside of the innermost layer, and gather the cylindrical isolation bag 14 in the external pocket, so that the cylindrical isolation bag 14 can repeatedly receive and separate the patient's oral and nasal secretions and vomitus when necessary, thereby extending the effective use time of the equipment.

[0031] See also Figure 5 The neck piece 15 includes an inner layer 151, a middle layer 152 and an outer layer 153. The neck piece 15 is sequentially installed with the inner layer 151, the middle layer 152 and the outer layer 153 from the inside to the outside. The inner layer 151, the middle layer 152 and the outer layer 153 are sequentially increased by 3 to 5 cm compared with the previous layer. An elastic tie 1511 is provided at the lower end of the inner layer 151. After knotting, the innermost layer 151 is slightly tightly fixed around the neck. A self-adhesive film 1521 is provided at the lower end of the middle layer 152, which can fit the skin around the neck. The middle layer 152 is fitted to the skin to form a closed space in the hood 12 without leakage. A second zipper 1531 is fixedly installed at the lower end of the outer layer 153 and is connected to the body isolation bag 2. The placket 22 is fixedly installed on the outer surface of the first zipper 21 and is connected to the shoulder and neck to make the shoulder and neck connection leak-free. The head negative pressure isolation chamber 1 and the body isolation bag 2 have simple structures, less materials, easy operation, and good full isolation effect.

[0032] In summary: the negative pressure isolation transfer bag proposed by the present invention, the end of the helmet bracket 122 close to the transparent mask 123 can be detachably mounted on the outer surface of the head cover 12, and is arranged inside the head negative pressure isolation chamber 1, the helmet bracket 122 is a component composed of lightweight hard materials, that is, the helmet bracket 122 is repeatedly used after sterilization, and the negative pressure filter mechanism 11 is fixedly mounted on the upper end of the head negative pressure isolation chamber 1, and the negative pressure filter mechanism 11 is relatively separated; the negative pressure space is small and the energy supply is small (the cylindrical isolation bag can be provided with multiple layers as needed, and 3 layers are provided here as an example) the cylindrical isolation bag 14 is installed with a first layer 141, a second layer 142 and a third layer from the outside to the inside. The protective clothing is provided with a first isolation clip 1411 on the outside of the protective clothing above the preset separation seam 144; the second isolation clip 1412 is clamped on the outside of the far end of the first layer 141 below the separation seam 144; the third isolation clip 1413 is clamped on the far end of the third layer 143. For ease of use, the exposed portion of the inner layer at the far end can be longer than that of the outer layer, so as to facilitate the clamping operation of the third isolation clip 1413; the separation seams 144 preset on each layer of isolation bags can be at the same position, and pockets can be provided on the outside of the protective clothing, on the chest or neck under the chin to place the cylindrical isolation bags, so that they can be easily taken in and out, and the work will not be affected after the isolation bags are folded, and the appearance will not be hindered.When there is secretion from the mouth and nose, open the first isolation clip 1411, use the tissue paper pre-placed on the upper end of the inner wall of the third layer 143 to wipe the mouth and nose, and discharge the secretion into the third layer 143; clamp the first isolation clip 1411; open the second isolation clip 1412; tear off the tissue paper on the inner wall of the third isolation clip 1413 and the third layer 143, pull it out and discard it, and recycle the third isolation clip 1413; clamp the second isolation clip 1412, and then clamp the third isolation clip 1413 and install it on the outer far end of the innermost layer. , the cylindrical isolation bag 14 is gathered in the external pocket, so that the cylindrical isolation bag 14 can repeatedly receive and separate the patient's oral and nasal secretions and vomitus when necessary, thereby extending the effective use time of the equipment. The support frame 132 is fixedly installed on the outer surface of the air supply pipe 13 and fixed to one side of the helmet support 122. The support frame 132 and the air supply pipe 13 can be slightly moved upward when necessary to avoid the front of the mouth and nose, so as to facilitate the excretion of oral and nasal secretions. After the head support is put on, the transparent mask 123 is in front of the eyes. To ensure the front vision, the support frame 132 can connect the air supply pipe 13 to the mouth and nose to ensure smooth breathing. The neck part 15 is sequentially installed with an inner layer 151, a middle layer 152 and an outer layer 153 from the inside to the outside. The inner layer 151, the middle layer 152 and the outer layer 153 are 3 to 5 cm longer than the previous layer. The lower end of the inner layer 151 is provided with an elastic elastic tie 1511. After tying the knot, the innermost layer 151 is slightly tightened around the neck. The lower end of the middle layer 152 is provided with a self-adhesive film 1521 , can fit the skin around the neck, and the middle layer 152 fits the skin to form a closed space inside the hood 12 without leakage. The lower end of the outer layer 153 is fixedly installed with a second zipper 1531 and is connected to the body isolation bag 2. The placket 22 is fixedly installed on the outer surface of the first zipper 21 and is connected to the shoulder and neck and is arranged on the outer surface of the second zipper 1531, so that the shoulder and neck connection is leak-free. The head negative pressure isolation chamber 1 and the body isolation bag 2 have a simple structure, use less materials, are easy to operate, and have a good full isolation effect.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A negative pressure isolation transfer bag, comprising a head negative pressure isolation chamber (1) and a body isolation bag (2), wherein the body isolation bag (2) is fixedly mounted at the lower end of the head negative pressure isolation chamber (1), characterized in that: The head negative pressure isolation chamber (1) comprises a negative pressure filter mechanism (11), a head cover (12), an air supply pipe (13), a cylindrical isolation bag (14) and a neck member (15); the negative pressure filter mechanism (11) is fixedly mounted on the upper end of the head negative pressure isolation chamber (1); the head cover (12) is arranged on the outer surface of the head negative pressure isolation chamber (1) and is connected to the air supply pipe (13) on one side; multiple layers are arranged inside the cylindrical isolation bag (14) and can be disassembled and separated in batches except for the outermost layer; the cylindrical isolation bag (14) is mounted on the outer surface of the head negative pressure isolation chamber (1) and is arranged on the lower end of the head cover (12); and the neck member (15) is sequentially mounted with an inner layer (151), a middle layer (152) and an outer layer (153) from the inside to the outside; The body isolation bag (2) comprises a first zipper (21) and a placket (22), wherein the first zipper (21) is arranged on the outer surface of the body isolation bag (2), and the placket (22) is fixedly mounted on the outer surface of the first zipper (21) and connected to the shoulder and neck; The head cover (12) comprises an elastic rubber ring (121), a helmet support (122), a transparent face mask (123) and a groove (124); the elastic rubber ring (121) is fixedly mounted on the outer surface of the head cover (12); one end of the helmet support (122) close to the transparent face mask (123) is detachably mounted on the outer surface of the head cover (12) and is arranged inside the head negative pressure isolation chamber (1); the transparent face mask (123) is fixed to the front end of the helmet support (122), and the outer end is provided with a groove (124) which engages with the elastic rubber ring (121); The air supply pipe (13) comprises an air inlet end (131) and a support frame (132); the air inlet end (131) is arranged at one end of the air supply pipe (13) and at the outer end of the head negative pressure isolation chamber (1); the air inlet end (131) is externally connected to an oxygen or air support breathing device; the support frame (132) is fixedly mounted on the outer surface of the air supply pipe (13) and fixed to one side of the helmet support frame (122); The cylindrical isolation bag (14) comprises a first layer (141), a second layer (142), a third layer (143) and a separation seam (144). The cylindrical isolation bag (14) is provided with the first layer (141), the second layer (142) and the third layer (143) from the outside to the inside, and paper towels are pre-placed on the upper ends of the inner walls. The first layer (141) is seamlessly connected to the head negative pressure isolation chamber (1), and the second layer (142) and the third layer (143) are provided with a separation seam (144) at one end close to the head negative pressure isolation chamber (1). 4), the first layer (141) comprises a first isolation clip (1411) and a second isolation clip (1412), the first isolation clip (1411) being mounted on the outer surface of the first layer (141) and arranged at the upper end of the separation slit (144), the second isolation clip (1412) being mounted at the lower end of the first isolation clip (1411) and away from the separation slit (144), and the third isolation clip (1413) being mounted at the lower end of the second isolation clip (1412) and mounted at the far end of the outer surface of the third layer (143); The lower end of the inner layer (151) of the neck piece is provided with an elastic tie (1511), the lower end of the middle layer (152) is provided with a self-adhesive film (1521), and the lower end of the outer layer (153) is fixedly mounted with a second zipper (1531).

2. A negative pressure isolation transfer bag according to claim 1, characterized in that: The helmet support (122) is a component made of a lightweight hard material.

3. A negative pressure isolation transfer bag according to claim 1, characterized in that: The transparent mask (123) is a component with an elliptical structure.

4. A negative pressure isolation transfer bag according to claim 3, characterized in that: The inner layer (151), the middle layer (152) and the outer layer (153) are successively longer than the previous layer by 3 to 5 centimeters.

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