# US 2014/0196724 A1 · Tracheal dilation apparatus and method of manufacture > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0196724 A1 - Document ID: US20140196724A1 - Status: Published application - Kind: A1 - Application number: 13/742,146 - Filed: 2013-01-15 - Published: 2014-07-17 - Earliest claimed: 2013-01-15 - Assignees: Covidien LP - Applicants: Covidien LP - Inventors: Sean Morris - Web page: https://patentgrep.com/patent/US20140196724A1 ## CPC - A61M 16/0472: {Devices for performing a tracheostomy} - A61M 16/0486: {Multi-lumen tracheal tubes} - A61M 16/0488: {Mouthpieces; Means for guiding, securing or introducing the tubes (guiding or introducing with laryngoscopes A61B1/267; holding devices on the body A61M25/02)} - Y10T 29/49: Method of mechanical manufacture - A61M: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY (introducing media into or onto the bodies of animals A61D7/00; means for inserting tampons A61F13/26; devices for administering food or medicines orally A61J; containers for collecting, storing or administering blood or medical fluids A61J1/05); DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY (surgery A61B; chemical aspects of surgical articles A61L); DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR {(Electrotherapy, e.g. producing anaesthesia by the use of alternating or intermittent currents A61N1/36021)} - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract A tracheal dilator system and method of manufacture are provided, suitable for dilating a passageway into a patient airway. In one embodiment, a medical system having a tracheal dilator is provided. The tracheal dilator includes a first plurality of openings and a guide lumen configured to provide a pathway for the insertion of a guide wire during use of the tracheal dilator. The tracheal dilator further includes a first flow lumen configured to fluidly couple the first plurality of openings to a medical device, wherein the medical device is configured to provide a suctioning force through the first plurality of openings during use of the tracheal dilator. ## Claims ### Claim 1 A medical system comprising: a tracheal dilator comprising: a first plurality of openings; a guide lumen configured to provide a pathway for the insertion of a guide wire during use of the tracheal dilator; and a first flow lumen configured to fluidly couple the first plurality of openings to a medical device, wherein the medical device is configured to provide a suctioning force through the first plurality of openings during use of the tracheal dilator. ### Claim 2 (depends on 1) The system of claim 1, comprising the medical device, wherein the medical device is configured to provide a positive pressure flow of a gas during use of the tracheal dilator. ### Claim 3 (depends on 2) The system of claim 2, wherein the medical device comprises a ventilator, a pump, or a combination thereof. ### Claim 4 (depends on 1) The system of claim 1, wherein the tracheal dilator comprises an angled distal portion and a straight proximal portion, and wherein the angled distal portion comprises an angle α with the straight proximal portion. ### Claim 5 (depends on 4) The system of claim 4, wherein a comprises an angle between approximately 90° and approximately 180°. ### Claim 6 (depends on 1) The system of claim 1, wherein the tracheal dilator comprises a second plurality of openings and a second flow lumen, and wherein the second flow lumen is configured to fluidly couple the second plurality of openings to the medical device. ### Claim 7 (depends on 6) The system of claim 6, wherein the tracheal dilator comprises a manifold configured to couple the first and the second flow lumens to the medical device. ### Claim 8 (depends on 1) The system of claim 1, wherein the tracheal dilator comprises an inner cannula, an outer cannula, and a plurality of connecting members coupling the inner cannula to the outer cannula, and wherein the inner cannula comprises the guide lumen. ### Claim 9 (depends on 8) The system of claim 8, wherein a chamber formed by an outer surface of the inner cannula, an inner surface of the outer cannula, a first connecting member of the plurality of connecting members, and a second connecting member of the plurality of connecting members comprises the first flow lumen. ### Claim 10 (depends on 1) The system of claim 1, wherein at least one of the first plurality of openings comprises a circular shape, a diamond shape, a square shape, a teardrop shape, a reverse teardrop shape, a dual teardrop shape, or a combination thereof ### Claim 11 A tracheal dilator comprising: a guide cannula configured to provide a pathway for the insertion of a guide wire during use of the tracheal dilator; and a first flow cannula comprising a first plurality of openings, wherein the first flow cannula is configured to fluidly couple the first plurality of openings to a medical device, and wherein the medical device is configured to provide a positive flow of a gas through the first plurality of openings during use of the tracheal dilator. ### Claim 12 (depends on 11) The tracheal dilator of claim 11, wherein the medical device is configured to provide a suctioning force through the first plurality of openings during use of the tracheal dilator. ### Claim 13 (depends on 11) The tracheal dilator of claim 11, comprising an angled distal portion and a straight proximal portion, and wherein the angled distal portion comprises an angle α with the straight proximal portion. ### Claim 14 (depends on 11) The tracheal dilator of claim 11, wherein a comprises an angle between approximately 90° and approximately 180°. ### Claim 15 (depends on 11) The tracheal dilator of claim 11, wherein the tracheal dilator comprises a shape increasing in diameter from a distal tip to a proximal base. ### Claim 16 (depends on 15) The tracheal tube of claim 15, wherein the shape comprises a curved shape, a conical shape, or a combination thereof. ### Claim 17 (depends on 11) The tracheal dilator of claim 11, comprising a second flow cannula comprising a second plurality of openings, wherein the second flow cannula is configured to fluidly couple the second plurality of openings to the medical device. ### Claim 18 A method for manufacturing a tracheostomy dilator comprising: manufacturing a guide cannula configured to provide a pathway for the insertion of a guide wire during use of the tracheostomy dilator; and manufacturing a first flow cannula comprising a first plurality of openings, wherein the first flow cannula is configured to fluidly couple the first plurality of openings to a medical device, and wherein the medical device is configured to provide a positive flow of a gas through the first plurality of openings during use of the tracheal dilator. ### Claim 19 (depends on 18) The method of claim 18, wherein at least one of the plurality of openings comprises a circular shape, a diamond shape, a square shape, a teardrop shape, a reverse teardrop shape, a dual teardrop shape, or a combination thereof. ### Claim 20 (depends on 18) The method of claim 18, comprising manufacturing a second flow cannula comprising a second plurality of openings, wherein the second flow cannula is configured to fluidly couple the second plurality of openings to the medical device, and wherein the medical device is configured to provide a positive flow of the gas through the first and the second plurality of openings during use of the tracheal dilator.