JP3229195U - Splash aerosol shatterproof device for endoscopes - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a droplet aerosol scattering prevention device for an endoscope which protects a patient from exposure to a medical worker from virus droplets or aerosol from the patient when performing endoscopy. SOLUTION: A splash aerosol scattering prevention device for an endoscope has a skeleton portion in which a plurality of rod-shaped members 1 form each ridge of a cube or a rectangular parallelepiped, and an opening is externally attached to each ridge of the skeleton portion. It has a transparent plastic bag 4 arranged so as to be located on one side of a cube or a rectangular parallelepiped. The vinyl bag 4 is a first through-hole 5 for applying the endoscope device 6 to the patient in a state where the head of the patient lying down is guided to substantially the center of the skeleton through the opening of the vinyl bag 4. And, it has a second through-hole 7 for making the inside of the vinyl bag 4 into a slight negative pressure state by connecting and sucking the suction hose 8. [Selection diagram] Fig. 1

Description

The present invention relates to a protective device for protecting a medical worker from droplets and aerosol scattering from a patient having an upper respiratory tract infection such as a virus during endoscopy in medical care.

In the 21st century, we humans have experienced global epidemics such as severe acute respiratory syndrome coronavirus (SARS-CoV), Middle East respiratory syndrome coronavirus (MERS-CoV), and new coronavirus (COVID-19). doing. In addition, even after the new coronavirus has subsided, if another new virus occurs somewhere in the world due to the development and internationalization of the air network, it will become a global epidemic in a short period of time like the new coronavirus. It is possible that it will cause. In addition to contact infections that come into contact with infected patients or are transmitted through doorknobs or food with the virus, droplets from coughing may adhere to the mucous membranes of the eyes and nose. It is said that infection is established by the inhalation of droplets and aerosols. Medical professionals wear protective clothing and treat them, but there are high-risk treatments for droplets and aerosols among the treatments and treatments for patients. Conventionally, as in Patent Document 1, when a medical worker and a patient come into contact with each other in an examination room or the like, the medical worker blows clean air from behind the medical worker, so that the medical worker can air from the droplets of the patient carrying the virus. Anti-infection devices and anti-infection systems that prevent infection are disclosed.

Japanese Unexamined Patent Publication No. 2011-030738

The new coronavirus is said to be highly infectious and has been recognized as a pandemic worldwide, and has become a global social problem. Patients with upper respiratory tract infections such as the virus may have to undergo endoscopy such as upper gastrointestinal endoscopy. This upper gastrointestinal endoscopy is considered to be a high-risk test for droplets and aerosol scattering because patients are prone to coughing and vomiting during the examination. The medical staff in charge of this examination wears masks, gowns, eye masks, hats, etc. to protect themselves, but the comedic staff (nurses, staff who clean the endoscope, etc.) in the room where the examination is performed, It is difficult to completely prevent the scattering of droplets and aerosols to the staff who carry patients from the ward, the staff who replace linens and endoscopy tools, etc.), the staff in the next room, the office staff at the endoscope reception desk, etc. Therefore, it is considered to be a test with a high risk of spreading the infection in the hospital. Even if only a doctor protects as in Patent Document 1, it is not possible to prevent infection to surrounding staff and nosocomial infection. Therefore, it is an issue to minimize the droplets and aerosol scattering to many concerned parties mentioned above at the time of endoscopy.

In order to solve this problem, in the present invention, preferably, a skeleton portion configured such that a plurality of rod-shaped members form each ridge of a cube or a rectangular parallelepiped, and an opening inscribed or circumscribed at each ridge of the skeleton portion. Has a transparent plastic bag arranged so as to be located on one side of the cube or rectangular parallelepiped. Then, in this vinyl bag, the head of the patient lying down is guided to the substantially center of the skeleton portion through the opening of the vinyl bag, and the through hole 5 for applying the endoscopic device to the patient. To have. Further, the three-dimensional shape (frame) defined by the skeleton portion may be arch-shaped, polygonal-shaped, hemispherical, or the like. In the present specification, the case where the vinyl bag is located on the outside of the skeleton is referred to as circumscribed, and the case where the vinyl bag is located on the inside is referred to as inscribed.

According to the present invention, it is possible to minimize droplets and aerosol scattering from the patient during endoscopy with a simple structure and operation. As an example, during endoscopic treatment of a hematemesis patient, the conventional method without a protective device often causes blood to adhere to the glove or gown that holds the scope of the endoscopist due to the patient's hematemesis. .. On the other hand, when endoscopic treatment was performed using the droplet aerosol exposure prevention device for endoscopy according to the present invention, blood splatters were trapped in the plastic bag, and the gloves and gowns of the endoscopist Almost no blood adhesion was observed with the naked eye. In addition, when disposing of it, the endoscope insertion part was closed with a gum tape, and the mouth (open part) of the plastic bag was closed so that the blood could be disposed of without scattering to the outside.
In general, it is difficult to determine the effect of protection against viruses, droplets, and aerosols that are difficult to grasp with the naked eye, but from the above example, droplets from patients with upper respiratory tract infections. , It can be expected to be effective for aerosol scattering.

The figure which shows the Example of this invention shows the embodiment in the form which the skeleton part was circumscribed with a 120L vinyl bag. The figure which shows the other embodiment of this invention shows the embodiment in the form which the skeleton part was inscribed with a 70L (or 90L) vinyl bag. The figure which shows the state which applied the example of FIG. 2 to the patient who lay down. FIG. 2 is a diagram showing a state in which the through-hole is closed with tape after the end of endoscopy in the embodiment of FIG. The figure which shows the process of discarding a vinyl bag after the inspection is completed. 1 is a detailed enlarged view of the connecting portion 2 and the double clip 9 with a rubber band in the embodiment of FIGS. 1 and 2. The figure which shows still another Example of this invention.

Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.
In FIGS. 1 and 2, the eleven rod-shaped members 1 form a cube-shaped skeleton portion. As the material of the rod-shaped member 1, a metal such as an aluminum pipe is used, but a plastic or vinyl chloride may be used. However, since the frame with droplets is repeatedly disinfected with a disinfectant solution such as alcohol or sodium hypochlorite, it is expected that plastic and vinyl chloride materials will deteriorate and repeated use will be limited. However, because it is inexpensive, it is suitable for disposal in a small number of times. As the metal material, aluminum, iron, stainless steel, titanium, etc., which are easily available at home centers and the like, are used. Of these, aluminum is preferable because it is inexpensive, light, and can be easily carried by nurses with many women.

As for the rod-shaped member shape, a pipe shape with a hollow inside, an L-shape, a square shape, a circular shape, etc. are commercially available, and any of them may be used, but in the L-shape, the connecting portions 2 and 3 of each ridge are disinfected with alcohol or wiped. Since it is difficult to clean and disinfect in such cases, an aluminum pipe with a hollow inside is suitable because it is easy to disinfect and is relatively inexpensive and light. This is used to make a cube skeleton using a three-way elbow (with a rotating retaining hole) 16 shown in FIG. The reason why one side of this cube is missing is to prevent the patient from hitting the body such as the shoulder when lying down in a plastic bag from the head to the chest.

A 70 L (or 90 L) vinyl bag 4 is installed on the skeleton so as to be inscribed in the skeleton portion (FIG. 2), or a 120 L vinyl bag 4 is installed so as to circumscribe the skeleton portion (FIG. 1). In addition, 70L means that the storage volume is 70 liters. When a 70L (or 90L) vinyl bag is used so as to be inscribed in the skeleton portion, the position of the vinyl bag cannot be fixed without any support, so the vinyl bag is pulled and fixed by the double clip 9 with a rubber band. As shown in FIG. 6, in the double clip 9 with a rubber band, the double clip 17 is engaged with an appropriate portion of the rod-shaped member 1 by the rubber band 18. It is easily removable, and if you think it is contaminated with droplets, you can remove it and throw it away, and because it is cheap, you can easily use a new, clean one.

As a mode of use of the exposure protection device of the present invention, as shown in FIG. 3, the patient 10 is allowed to enter the opening of the plastic bag 4 from the head to the chest, and the endoscope device 6 is inserted from the outside through the through hole 5. And inspect. By covering the patient with a plastic bag 4, the problem is solved by confining droplets and aerosols associated with coughing and vomiting and minimizing the exposure of medical staff. Further, if the patient 10 is simply covered with a plastic bag, the vinyl clings to the patient's face, and there is a risk of respiratory distress and suffocation. In order to avoid this, as described above, the vinyl bag 4 is pulled by the double clip 9 with a rubber band to create a space (FIG. 2), or the skeleton is covered with the vinyl bag 4 from the outside to secure the space (FIG. 2). 1) By doing so, the risk of suffocation and suffocation is prevented and safety is maintained.
Then, a through hole 5 of about 1 cm is made in a vinyl portion near the mouth of the patient 10, and an endoscope device 6 is inserted from there to perform an examination.

If the size of this skeleton is too large, it will not fit in an endoscope bed or the like, and the opening of the plastic bag will also become large, and droplets and aerosols will escape and diffuse, thus losing the original purpose. Generally, the width of the endoscopic bed is about 65 cm, and the width of the emergency stretcher is about 55 to 61 cm. In order to prevent the device of the present invention from slipping down when installed on the bed, the patient It is desirable that one side of the cube is 50 cm or less in consideration of the displacement of the device due to the body movement of the cube. On the contrary, if it is too small, the patient may feel cramped, oppressive or stuffy, and it is desirable to have at least 40 cm or more. Furthermore, in order to install a 120L vinyl bag in a form that circumscribes the skeleton, when one side exceeds 50 cm, it is too tight to fit in or smoothly attached and detached, so it is good if one side fits in the range of 40 to 50 cm. , 45 cm is preferable.

When installing a 120 L vinyl bag 4 externally attached to the skeleton as shown in FIG. 1, a second through hole 7 of about 1 cm is processed on the head side, and a suction hose is provided in the through port 7. By connecting 8 and sucking from the outside to create a slight negative pressure inside the vinyl bag 4 and performing endoscopy, it is possible to more effectively prevent the scattering of droplets and aerosols. After the inspection, the plastic bag is removed and thrown away, but the frame of the skeleton can be used over and over again by wiping it with alcohol and disinfecting it. When the vinyl bag is used by circumscribing the skeleton in this way, a wider space can be secured in the vinyl bag as compared with the case where 70 L (or 90 L) is inscribed, and the patient feels less oppressive. Especially suitable for use during relatively long examinations such as endoscopic treatment for 15 minutes or more.

When a 70L (90L) vinyl bag is inscribed in the skeleton as shown in Fig. 2, the inside of the vinyl bag becomes narrower than when the vinyl bag is inscribed, and the patient feels more oppressive. However, on the other hand, since it is inscribed, droplets and the like basically do not adhere to the frame, and it is considered that the risk of exposure to medical staff is further reduced. That is, in the case of inscribed, the droplets are trapped in the plastic bag and the droplets do not adhere to the skeleton, so that the time and effort for disinfection can be shortened. Therefore, it is suitable for use during relatively short examinations such as endoscopy for about 5 to 10 minutes.

When the endoscopy is completed, the endoscope is removed, but it is considered that the inside of the plastic bag is filled with droplets and aerosols. Therefore, as shown in FIG. 4, the through-hole 5 opened for inserting the endoscope is closed with a tape 11 such as a gum tape, and by closing the opening of the plastic bag as shown in FIG. 5, droplets adhere and aerosols are attached. Can be trapped and safely disposed of. It is desirable that the aerosol trapped in the plastic bag be sucked with the suction hose of the endoscope device to be crushed before disposal. Similarly, the frame of the skeleton can be used over and over again by wiping it with alcohol or the like and disinfecting it.

FIG. 7 shows still another embodiment of the frame shape of the present invention. (A) is an arch shape, (B) is a hexagonal columnar shape, (C) is a pentagonal columnar shape, and (D) is a hemispherical example. However, if the parts of the skeleton are to be mailed or to be disposed of as contaminants after repeated use, it is desirable to keep them small, so it is more suitable to have a small number of rod-shaped members without including curved members. .. Therefore, the cubic shape shown in FIGS. 1 and 2 is preferable.

There are high-risk treatments for droplets and aerosols in the treatment and treatment of patients. Upper gastrointestinal endoscopy is one of them, and the cause is coughing and vomiting at the time of examination. However, it is necessary to perform endoscopy for patients with high urgency such as hematemesis, and medical staff are working hard in daily medical care with fear of exposure due to droplets and aerosol scattering. This problem is considered to be the problem of endoscopists not only in Japan but all over the world. We have developed this device as a tool that can contain the droplets and aerosols generated during this endoscope without scattering them as much as possible, and can safely dispose of them after the inspection. The present invention uses a commercially available vinyl garbage bag that is widely used in hospitals and the like, and can be easily and inexpensively used, and is considered to meet the needs of endoscopists all over Japan and around the world.

1 Rod-shaped member 2, 3 Connecting part 4 Vinyl bag 5 First through hole 6 Endoscope device 7 Second through hole 8 Suction hose 9 Double clip with ring rubber 10 Lying patient 11 Tape to close the first through hole 12 Medical worker's hand 13 Arched skeleton 14 Polygonal skeleton 15 Hemispherical skeleton 16 Three-way elbow (with rotating retaining hole)
17 Double clip 18 Rubber band

Claims (6)

A skeleton portion that defines a predetermined three-dimensional shape by connecting a plurality of linear or curved rod-shaped members, and inscribed or circumscribed to the skeleton portion and arranged so that the opening is located on one surface of the three-dimensional shape. The plastic bag has a transparent plastic bag, and the plastic bag guides the patient's head lying down to approximately the center of the skeleton through the opening of the plastic bag. A splash aerosol shatterproof device for an endoscope, characterized in that it has a through hole for inserting the device. In claim 1, the three-dimensional shape is a cube or a rectangular parallelepiped, and a skeleton portion configured such that a plurality of rod-shaped members form the respective ridges of the cube or the rectangular parallelepiped, and each ridge of the skeleton portion are inscribed or externally attached. It has a transparent plastic bag arranged so that the opening is located on one side of the cube or a rectangular parallelepiped, and the plastic bag allows the head of a lying patient to pass through the opening of the plastic bag to the skeleton. A splash aerosol scattering prevention device for an endoscope, which has a through hole for inserting the endoscopic device into the patient in a state of being guided to a substantially center. A skeleton portion in which a plurality of rod-shaped members form each ridge of a cube or a rectangular parallelepiped, and a transparent portion circumscribing each ridge of the skeleton portion and having an opening located on one surface of the cube or a rectangular parallelepiped. The endoscopic device is applied to the patient in a state where the plastic bag has a plastic bag and the head of the patient lying down is guided to substantially the center of the skeleton through the opening of the plastic bag. For an endoscope, which has a first through-hole for connecting a suction hose and a second through-hole for making the inside of the plastic bag into a mild negative pressure state by sucking. Splash aerosol shatterproof device. In claim 2 or 3, the length of each ridge of the cube or rectangular parallelepiped is 40 cm or more and 50 cm or less, and the skeleton has a rod-shaped member corresponding to the ridge that abuts on the shoulder of the patient while lying down. A splash aerosol shatterproof device for endoscopes, which is characterized by being omitted. The device for preventing droplet aerosol scattering for an endoscope according to any one of claims 1 to 4, wherein the rod-shaped member is a metal pipe. The device for preventing splash aerosol scattering for an endoscope according to any one of claims 1 to 5, wherein the vinyl bag has a volume value of 70 L, 90 L, or 120 L.

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