Hygiene regulations and social distancing are very effective in blocking short distance infections. During the lockdown, the distance rules can usually be adhered to, but what happens when the actual lockdown is over and the people meet again in a confined space? Then additional effective and efficient protection is essential to stabilize infection rates. Since the viruses are spread by contact and droplet infection, technical devices are required that effectively intervene in the chain of infection and effectively block infection. An effective protection is the respiratory mask as known since 100 years. An alternative to mask is an aerosol protection system for various applications in environment. The protection system consists of adjustable air sucking device and air blowing device in different form factors based on application. The aerosol protection system uses either an air curtain or air shield to prevent the aerosol going from one side of the curtain or shield to the other side.

The disclosure herein provides methods, systems, and devices for a sterile ophthalmic surgical drape system that can provide a sterile operating field for use by a doctor, surgeon, nurse, and the like during ophthalmic medical procedures. The sterile field created by the drape system can allow a doctor, surgeon, nurse and the like to perform a medical procedure, such as ophthalmic surgery, outside of an operating room and in locations such as a doctor's office or a military operating room war setting. The sterile ophthalmic surgical drape system can comprise a drape, a frame apparatus, a hole of sufficient size for a microscope, a fan, a filter, air directors, and slits. The drape system can comprise a collapsible frame apparatus. The drape system may be configured to be used in conjunction with a surgical tray that houses pre-sterilized tools for use in a medical procedure.

A compact extraoral suction passage tip to help protect a dentist from infectious materials. The compact extraoral suction passage tip is made of an internal suction passage. The proximal end can be slid into a High Volume Evacuator (HVE) valve or other suctioning device, and the distal end can be placed near a patient's mouth to collect infectious materials and placed in a position that will not significantly impede dental operations. The distal end is shaped so that it can lie on or near the upper portion of a patient's bottom lip to provide suction capability. One embodiment contains ridges to help patients know where to hold the compact extraoral suction passage tip.

A medical chair protective barrier and gas distribution system provides a frame that forms a sealed environment for a medical gas delivered to head of a dental chair. The frame fastens to the medical chair, or rolls to head of medical chair. A laminar flow subassembly secures to frame. The laminar flow subassembly includes a vacuum pump, tubing, positive and negative pressure ports, and a vent for delivering medical gas to the head of medical chair. The frame carries a hood that covers the head of medical chair. The hood retains medical gases in a sealed environment, while protecting dentist from contact with medical gases. The hood includes a window and a pair of arm passages that regulates access to inside of hood. Medical armamentarium hangs on frame for access. System has inlet and outlet vacuum ports that utilize HEPA filters and hidden UV lights for disinfecting under the hood.

A medial isolette is provided. A flexible enclosure and a collapsible wire-frame structure are provided which supply an economical and easily assembled isolation chamber. A flexible drape is provided to further isolate the patient and effectively control a negative pressure environment within the isolette. Access ports with integrated or removable gloves are provided to access the patient when the isolette is in use. A component access panel is provided for ducted connection of patient gas circuits and leads and source of negative pressure.

A lip retractor includes a first curved portion having a recess running along an outer surface, a second curved portion having a recess running along an outer surface, the second curved portion opposing the first curved portion, an arm connecting the first curved portion to the second curved portion, an interior suction chamber configured at least partially through the first and second curved portions and the arm, and a first port on an inner surface of the first curved portion, a second port on an inner surface of the second curved portion, and an evacuation connection port connected to the arm, wherein the first port, the second port and the evacuation connection port are in fluid communication with the interior suction chamber.

The present disclosure is directed to improved multi-suction dental devices, assemblies, systems and methods and of using the same. The multi-suction dental devices can be configured to suction both liquids and aerosols during dental procedures. Each multi-suction dental device can comprise at least one low-volume evacuation (LVE) suction pathway and at least one high-volume evacuation (HVE) suction pathway.

An article of manufacture for providing a dental droplet extraction device is disclosed. The device is created around a large collection basin having a funnel-like opening at its top. An exit port is located at the bottom of the large collection basin. The exit port is connected to a high-volume dental line to provide negative pressure that suctions all of the aerosolized droplets created within the patient's mouth while receiving treatment. The removed particles may be trapped in a filter located in the dental suction lines.

Devices and methods for delivering and filtering a gas to a wound site to enhance healing, reduce the potential for bacterial infections, lessen the need for antibiotics and to create a protective and therapeutic gas atmosphere along a treatment site. More particularly, the invention relates to a device arranged to deliver a gas to a treatment site, the device being connectable to a gas source, the device including (i) a first membrane comprising a flexible, microporous polymer body and (ii) a second membrane comprising a flexible nonporous polymer body. Outer edge portions of the second membrane are bonded to outer edge portions of the first membrane to form an interior chamber of the device, the interior chamber of the device confining introduced gas to the interior chamber such that the introduced gas flows out through the pores of the first membrane and is diffused along the treatment site.

A device is disclosed for use by clinicians in medical and dental procedures to contain aerosols generated by patients with known or suspected respiratory pathogen (e.g., a virus such as COVID-19). The device of the invention (a negative pressure aerosol containment unit) may be in the form of a box with an opening at the bottom, the box configured to receive an attached HEPA filter and HVAC unit that creates a localized negative pressure area within the box. The device also may be in a non-rectilinear configuration.