LARYNGOSCOPE INSERTION SECTION
First Claim
1. An elongate laryngoscope insertion section having a proximal end and a distal end for insertion into a patient'"'"'s oral cavity in use, the insertion section comprising a tube guide for removably retaining an endotracheal tube and guiding a retained endotracheal tube towards a patient'"'"'s larynx, the tube guide comprising a plurality of tube guiding members having tube guiding surfaces which are arranged to contact and thereby guide the inferior or superior surface of a retained endotracheal tube, the plurality of tube guiding members comprising at least an inferior tube guiding member having a tube guiding surface on a superior side thereof for contacting and thereby guiding the inferior surface of a retained endotracheal tube, and a first superior tube guiding member having a tube guiding surface on an inferior side thereof for contacting and thereby guiding the superior surface of a retained endotracheal tube, wherein the insertion section comprises a first region, which is proximal of the tube guiding surface of the first superior tube guiding member, where the thickness of the insertion section is less than the sum of the external diameter of the largest external diameter endotracheal tube in an operating range of endotracheal tube sizes plus the mean thickness of the inferior tube guiding member plus the mean thickness of the first superior tube guiding member.
2 Assignments
0 Petitions
Accused Products
Abstract
A laryngoscope insertion section comprising a tube guide comprising at least an inferior tube guiding member and a superior tube guiding member, wherein the thickness of the insertion section in a first region is less than the external diameter of the largest diameter endotracheal tube in an operating range of endotracheal tube sizes plus the thickness of the inferior tube guiding member plus the thickness of the superior tube guiding member. Typically, the insertion section comprises an elongate member and the tube guide is lateral of the elongate member. Typically, an endotracheal tube is retained within the tube guide in flexural tension.
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Citations
74 Claims
- 1. An elongate laryngoscope insertion section having a proximal end and a distal end for insertion into a patient'"'"'s oral cavity in use, the insertion section comprising a tube guide for removably retaining an endotracheal tube and guiding a retained endotracheal tube towards a patient'"'"'s larynx, the tube guide comprising a plurality of tube guiding members having tube guiding surfaces which are arranged to contact and thereby guide the inferior or superior surface of a retained endotracheal tube, the plurality of tube guiding members comprising at least an inferior tube guiding member having a tube guiding surface on a superior side thereof for contacting and thereby guiding the inferior surface of a retained endotracheal tube, and a first superior tube guiding member having a tube guiding surface on an inferior side thereof for contacting and thereby guiding the superior surface of a retained endotracheal tube, wherein the insertion section comprises a first region, which is proximal of the tube guiding surface of the first superior tube guiding member, where the thickness of the insertion section is less than the sum of the external diameter of the largest external diameter endotracheal tube in an operating range of endotracheal tube sizes plus the mean thickness of the inferior tube guiding member plus the mean thickness of the first superior tube guiding member.
- 30. An elongate laryngoscope insertion section having a proximal end and a distal end for insertion into a patient'"'"'s oral cavity in use, the insertion section comprising a tube guide for removably retaining an endotracheal tube and guiding a retained endotracheal tube towards a patient'"'"'s larynx, the tube guide comprising a plurality of tube guiding members having tube guiding surfaces which are arranged to contact and thereby guide the inferior or superior surface of a retained endotracheal tube, the plurality of tube guiding members comprising at least an inferior tube guiding member having a tube guiding surface on a superior side thereof for contacting and thereby guiding the inferior surface of a retained endotracheal tube, and first and second superior tube guiding members each of which has a tube guiding surface on an inferior side thereof for contacting and thereby guiding the superior surface of a retained endotracheal tube, wherein the second superior tube guiding member is proximal of the first superior tube guiding member and the tube guiding surfaces of the first and second superior tube guiding members are spaced apart, wherein the tube guide is arranged to leave exposed the inferior surface of a retained endotracheal tube opposite the tube guiding surface of the second superior tube guiding member.
- 33. An elongate laryngoscope insertion section having a proximal end and a distal end for insertion into a patient'"'"'s oral cavity in use, the insertion section comprising a tube guide for removably retaining an endotracheal tube and guiding a retained endotracheal tube towards a patient'"'"'s larynx, the tube guide comprising a plurality of tube guiding members having tube guiding surfaces which are arranged to contact and thereby guide the inferior or superior surface of a retained endotracheal tube, the plurality of tube guiding members comprising at least an inferior tube guiding member having a tube guiding surface on a superior side thereof for contacting and thereby guiding the inferior surface of a retained endotracheal tube, and a first superior tube guiding member having a tube guiding surface on an inferior side thereof for contacting and thereby guiding the superior surface of a retained endotracheal tube, wherein at least a portion of the tube guiding surface of the inferior tube guiding member is proximal of the tube guiding surface of the first superior tube guiding member.
- 36. An elongate laryngoscope insertion section having a proximal end and a distal end for insertion into a patient'"'"'s oral cavity in use, the insertion section comprising a tube guide for removably retaining an endotracheal tube and guiding a retained endotracheal tube towards a patient'"'"'s larynx, the tube guide comprising a plurality of tube guiding members having tube guiding surfaces which are arranged to contact and thereby guide the inferior or superior surface of a retained endotracheal tube, the plurality of tube guiding members comprising at least an inferior tube guiding member having a tube guiding surface on a superior side thereof for contacting and thereby guiding the inferior surface of a retained endotracheal tube, and a first superior tube guiding member at the distal end of the tube guide having a tube guiding surface on an inferior side thereof for contacting and thereby guiding the superior surface of a retained endotracheal tube, wherein the tube guide is arranged so that, for endotracheal tubes of a range of external diameters, a retained endotracheal tube will be continuously curved at least from where a retained endotracheal tube extends through a patient'"'"'s teeth when the insertion section is inserted fully into a patient to the first superior tube guiding member.
- 41. An elongate laryngoscope insertion section having a proximal end and a distal end for insertion into a patient'"'"'s oral cavity in use, the insertion section comprising a tube guide for removably retaining an endotracheal tube and guiding a retained endotracheal tube towards a patient'"'"'s larynx and an elongate member, wherein the tube guide comprises a plurality of tube guiding members which extend laterally of the elongate member and have tube guiding surfaces which are arranged to contact and thereby guide the inferior or superior surface of a retained endotracheal tube, the plurality of tube guiding members comprising at least an inferior tube guiding member having a tube guiding surface on a superior side thereof for contacting and thereby guiding the inferior surface of a retained endotracheal tube, and a first superior tube guiding member having a tube guiding surface on an inferior side thereof for contacting and thereby guiding the superior surface of a retained endotracheal tube, wherein, at least one location along the length of the insertion section, the thickness of the elongate member is less than the thickness of the adjacent tube guide.
- 48. An elongate laryngoscope insertion section having a proximal end and a distal end for insertion into a patient'"'"'s oral cavity in use, the insertion section comprising a tube guide for removably retaining an endotracheal tube and guiding a retained endotracheal tube towards a patient'"'"'s larynx and an elongate member, wherein the tube guide comprises a plurality of tube guiding members which extend laterally of the elongate member having tube guiding surfaces which are arranged to contact and thereby guide the inferior or superior surface of a retained endotracheal tube, the plurality of tube guiding members comprising at least an inferior tube guiding member having a tube guiding surface on a superior side thereof for contacting and thereby guiding the inferior surface of a retained endotracheal tube, and a first superior tube guiding member having a tube guiding surface on an inferior side thereof for contacting and thereby guiding the superior surface of a retained endotracheal tube, wherein either or both (i) the inferior tube guiding member extends further in an inferior direction than the elongate member adjacent to the inferior tube guiding member or (ii) the superior tube guiding member extends further in a superior direction than the elongate member adjacent to the superior tube guiding member.
- 49. An elongate laryngoscope insertion section having a proximal end and a distal end for insertion into a patient'"'"'s oral cavity in use, the insertion section comprising a tube guide for removably retaining an endotracheal tube and guiding a retained endotracheal tube towards a patient'"'"'s larynx, wherein the tube guide is adapted to retain endotracheal tubes with a range of external diameters within an operating range of endotracheal tube external diameters, under flexural tension.
- 60. An elongate laryngoscope insertion section having a proximal end and a distal end for insertion into a patient'"'"'s oral cavity in use, the insertion section comprising a tube guide for removably retaining an endotracheal tube and guiding a retained endotracheal tube towards a patient'"'"'s larynx and an elongate member, wherein the tube guide comprises a plurality of tube guiding members which extend laterally of the elongate member and have tube guiding surfaces which are arranged to contact and thereby guide the inferior or superior surface of a retained endotracheal tube, the plurality of tube guiding members comprising at least an inferior tube guiding member having a tube guiding surface on a superior side thereof for contacting and thereby guiding the inferior surface of a retained endotracheal tube, and a first superior tube guiding member having a tube guiding surface on an inferior side thereof for contacting and thereby guiding the superior surface of a retained endotracheal tube, wherein there is at least one location, proximal of the first superior tube guiding member, where an endotracheal tube is retained in use laterally of the elongate member with the inferior and superior sides of the endotracheal tube being left exposed.
- 63. An elongate laryngoscope insertion section having a proximal end and a distal end for insertion into a patient'"'"'s oral cavity in use, the insertion section comprising a tube guide for removably retaining an endotracheal tube and guiding a retained endotracheal tube towards a patient'"'"'s larynx, wherein the insertion section and tube guide are arranged to leave the inferior or superior surface of a retained endotracheal tube exposed along at least 25% of the length of the insertion section between the most proximal location where the insertion section contacts a retained endotracheal tube and the most distal location where the insertion section contacts a retained endotracheal tube.
Specification