A type of endotracheal tube

Abstract

This invention relates to an endotracheal tube, belonging to the field of medical device technology. It includes an endotracheal tube body and a detachable insertion rib assembly connected to one end of the endotracheal tube body. The end of the endotracheal tube body inserted into the patient's trachea is the distal end, and the end exposed in the patient's mouth and connected to a ventilator is the proximal end. An air supply channel is formed in the middle of the endotracheal tube body. Multiple insertion rib holes are evenly spaced around the outer periphery of the air supply channel. These insertion rib holes extend along the length of the endotracheal tube body in a spiral shape, with the opening ends of the insertion rib holes located at the proximal end of the endotracheal tube body. The insertion rib assembly includes a quick-release insertion rib sleeve connected to the proximal end, reinforcing ribs inserted into the insertion rib sleeve, and a pusher head to push the reinforcing ribs into the insertion rib holes. By pushing the reinforcing ribs into the spiral insertion rib holes through the insertion rib assembly, the structural strength and compressive strength of the endotracheal tube body are greatly improved, while also meeting the requirements for intraoperative MRI detection, making the procedure more convenient.

Description

Technical Field

[0001] This invention relates to the field of medical device technology, and in particular to an endotracheal intubation tube. Background Technology

[0002] Endotracheal intubation is a special endotracheal tube used in endotracheal intubation surgery. It is inserted into the patient's trachea through the mouth or nose. It is an important rescue technique for cardiopulmonary resuscitation, surgical anesthesia, and critically ill patients with respiratory dysfunction, and it is also the most reliable means of maintaining an open upper airway.

[0003] Endotracheal tubes have multiple functions and come in various types. Common types have markings on the tube body indicating the insertion depth. They typically have one or two side tubes: one connects to the cuff at the inserted end of the tube for inflation, and the other serves as a medication delivery tube; alternatively, one side tube connects to a negative pressure tube. During use, a guidewire is inserted into the tube body as a support for insertion. After the tube is fully inserted into the endotracheal tube, the guidewire is removed, and the tube is then connected to the ventilator.

[0004] There are two common types of endotracheal tubes. One is a regular plastic endotracheal tube, which can be flattened during surgery due to changes in body position, posing a significant risk to ventilation. The other type has internal metal threads for fixation and support, preventing flattening during changes in body position. However, this type of endotracheal tube cannot be used because MRI scans are required before, during, and after surgery, and even during surgery. Therefore, both types of endotracheal tubes have their own disadvantages during surgery. Summary of the Invention

[0005] (a) Technical problems to be solved

[0006] In view of the above-mentioned shortcomings and deficiencies of the prior art, the present invention provides an endotracheal intubation tube, which solves the technical problem that the above two types of endotracheal intubation tubes cannot adapt to patients who cannot breathe independently and complete preoperative, intraoperative and postoperative support and MRI scan tasks.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, the main technical solutions adopted by the present invention include:

[0009] This invention provides an endotracheal tube, including an endotracheal tube body and a ligature assembly detachably connected to one end of the endotracheal tube body. The end of the endotracheal tube body inserted into the patient's trachea is the distal end, and the end exposed in the patient's mouth and connected to a ventilator is the proximal end. An air supply channel is formed in the middle of the endotracheal tube body. The endotracheal tube body has multiple ligature holes evenly spaced around the outer periphery of the air supply channel. The ligature holes extend along the length of the endotracheal tube body in a spiral shape. Each ligature hole is a long, deep hole with an opening at one end, located at the proximal end of the endotracheal tube body. The ligature assembly includes a ligature sleeve quickly connected to the proximal end, a reinforcing rib inserted into the ligature sleeve, and a ligature pusher that pushes the reinforcing rib into the ligature hole.

[0010] This invention provides an endotracheal tube that can be used in two ways: one is for routine use, where it is only used to maintain the patient's breathing. In this case, the endotracheal tube body can be directly inserted into the patient's mouth, with the distal end of the tube reaching deep into the trachea and the proximal end exposed in the mouth. The proximal end is then directly connected to the ventilator. The other is for surgical use, where sufficient strength is needed to prevent the endotracheal tube from being flattened during surgery, while also avoiding interference with intraoperative MRI scans. In this case, a reinforcing rib assembly can be directly connected to the proximal end of the endotracheal tube body. The proximal end of the endotracheal tube body is connected to one end of the reinforcing rib sleeve. Then, the reinforcing rib is pushed into the reinforcing rib hole by the rib pusher in the rib assembly, making the reinforcing rib spirally attached to the endotracheal tube body. This twisted shape allows the reinforcing rib to withstand stronger deformation perpendicular to its length, greatly improving the structural strength and compressive strength of the endotracheal tube body, while also meeting the requirements for intraoperative MRI scans, making the procedure more convenient.

[0011] Optionally, the tip of the endotracheal tube body is detachably connected to an air supply connector, which is connected to an external ventilator. Four positioning protrusions are evenly spaced around the outer periphery of the tip. One end of the air supply connector and the insertion sleeve are provided with an insertion hole for inserting the tip. The inner periphery of the insertion hole is provided with a positioning groove for inserting and positioning the positioning protrusions.

[0012] By detachably connecting an air supply connector to the tip of the endotracheal tube body, the endotracheal tube requires the air supply connector to be installed during use, thus connecting it to the ventilator. During surgery, the air supply connector can be removed before inserting the reinforcing rib, and then the air supply connector can be installed again, so that the two usage states do not affect each other. At the same time, four protruding ridges are set on the outer periphery of the tip to make the position more accurate when installing the reinforcing rib assembly, and to make the reinforcing rib and the reinforcing rib hole better aligned and more convenient.

[0013] Optionally, the reinforcing bar assembly further includes multiple sets of auxiliary wheels rotatably disposed inside the reinforcing bar sleeve. Each set of auxiliary wheels includes two auxiliary guide wheels that are clamped on both sides of the reinforcing bar and rotate in opposite directions to push the reinforcing bar into the reinforcing bar hole.

[0014] By setting multiple sets of auxiliary wheels inside the reinforcing bar sleeve, the two auxiliary guide wheels of each set abut against and clamp the two sides of the reinforcing bar, and then rotate in the opposite direction, thereby providing assistance for inserting the reinforcing bar into the reinforcing bar hole, making the reinforcing bar insertion process easier and more convenient.

[0015] Optionally, the auxiliary guide wheel is provided with anti-slip texture on its outer periphery.

[0016] The reinforcing ribs themselves have a certain deformation capacity. By setting anti-slip texture on the outer periphery of the auxiliary guide wheel, the anti-slip texture can be imprinted on the surface of the reinforcing ribs when the auxiliary guide wheel clamps the reinforcing ribs, thereby reducing slippage and providing stronger assistance.

[0017] Optionally, the insert sleeve has an elongated receiving hole along its length to receive the reinforcing rib, one end of which is connected to the insertion hole. The insert sleeve has an elongated push hole coaxially formed at the end away from the insertion hole for the pusher head to slide into. The pusher head has a plurality of push rods on its periphery that are inserted into the elongated receiving hole to push the reinforcing rib out of the elongated receiving hole.

[0018] By storing the reinforcing ribs in the storage elongated hole, when the ribs need to be inserted, the rib pusher head is inserted along the long push hole in the middle of the rib insertion sleeve, so that multiple push rods at its peripheral ends are inserted into the storage elongated hole, and then abut against the reinforcing ribs and push the reinforcing ribs from the storage elongated hole into the rib insertion hole. This solution makes the rib insertion process faster and more convenient.

[0019] Optionally, the tip of the endotracheal tube body has grooves on its inner and outer walls that connect to the insertion rib hole along the length direction, and the end of the reinforcing rib located at the tip has a pull-out hole perpendicular to its own length direction, with the two ends of the pull-out hole exposed to the grooves on both sides.

[0020] By creating notches on both the inner and outer walls of the tip of the endotracheal tube body, and connecting the notches to the reinforcing rib holes, when the reinforcing rib is fully inserted, the two ends of the pull-out hole at one end of the reinforcing rib are exposed in the notches on both sides. When the endotracheal tube is used normally, this position will be blocked by the air supply connector, thus not affecting normal use. At the same time, the reinforcing rib can be pulled out after the air supply connector is removed, so as to maintain the basic use of the endotracheal tube body, making it more convenient.

[0021] Optionally, the pusher head is provided with multiple sets of pull-out hooks evenly spaced around one end of the endotracheal tube body away from the pusher head, and the pull-out hooks are hooked onto the pull-out hole.

[0022] By setting multiple sets of extraction hooks at one end of the tendon-pulling head, the tendon-pulling component can be used in reverse after the operation, that is, the extraction hooks can be hooked into the extraction holes of the reinforcing ribs, so that all the reinforcing ribs can be extracted at once, which is more convenient.

[0023] Optionally, the pusher head has a relief hole along its length at one end away from the endotracheal tube body. A conical pusher head slides within the relief hole along its length. The pusher head has countersunk holes evenly spaced around the inner wall of the relief hole, with the diameter of the countersunk holes perpendicular to the diameter of the relief hole. One end of the pull-out hook is inserted into the relief hole through an opening at the outer end of the countersunk hole and abuts against the side wall of the conical pusher head. A spring is fitted on the pull-out hook, coaxially embedded in the countersunk hole, and pulls one end of the pull-out hook toward the center of the relief hole. The pull-out hook moves away from the axis of the relief hole as the conical pusher head moves.

[0024] By moving the conical pusher outward from the hole, the conical pusher abuts against one end of the pull-out hook and pushes it to move to the outside of the countersunk hole, thereby increasing the diameter of the circle formed by the multiple pull-out hooks. At this time, the reinforcing rib assembly is moved to coaxially align with the endotracheal tube body and the pull-out hook is aligned with the pull-out hole. Then, the conical pusher is reset, and under the action of the spring, the pull-out hook is reset and inserted into the pull-out hole. At this time, the reinforcing rib assembly can be moved so that all the reinforcing ribs can be pulled out simultaneously. This scheme makes the removal of the reinforcing ribs more convenient.

[0025] Optionally, the plurality of reinforcing rib holes are spirally coiled around the axis of the endotracheal tube body, and the cross-section of the reinforcing rib is circular.

[0026] By setting the insertion hole to be spirally coiled around the axis of the endotracheal tube body, the reinforcing ribs are inserted into the insertion hole and coiled around the endotracheal tube body. This state forms the entire endotracheal tube body and all the reinforcing ribs as a whole for load-bearing, so that it can resist bending while having good torsion range to adapt to the corresponding surgery.

[0027] Optionally, the insertion hole is spiraled around its own central axis parallel to its own length direction, and the cross-section of the reinforcing rib is waist-shaped.

[0028] By setting the insertion holes to be spirals with their own length axis as the center, multiple reinforcing bars can deform individually, thereby improving the bending resistance.

[0029] (III) Beneficial Effects

[0030] The beneficial effects of this invention are as follows: When using the endotracheal tube of this invention, there are two scenarios. One is routine use, i.e., only for maintaining the patient's breathing. In this case, the endotracheal tube body can be directly inserted into the patient's mouth, with the distal end of the endotracheal tube extending into the trachea and the proximal end exposed in the mouth. The proximal end is then directly connected to the ventilator. The other scenario is surgical use, i.e., when it is necessary to maintain sufficient strength of the endotracheal tube during surgery to prevent it from being flattened, and to avoid affecting intraoperative MRI scans. In this case, a reinforcing rib assembly can be directly connected to the proximal end of the endotracheal tube body. The proximal end of the endotracheal tube body is connected to one end of the reinforcing rib sleeve, and then the reinforcing rib is pushed into the reinforcing rib hole by the pusher in the reinforcing rib assembly, making the reinforcing rib spirally attached to the endotracheal tube body. The twisted shape of the reinforcing rib allows it to withstand stronger deformation perpendicular to its length, thereby greatly improving the structural strength and compressive strength of the endotracheal tube body, while also meeting the requirements of intraoperative MRI scans, making it more convenient. Attached Figure Description

[0031] Figure 1 This is a three-dimensional schematic diagram of the present invention;

[0032] Figure 2 This is an exploded schematic diagram of the endotracheal tube body in Embodiment 1 of the present invention;

[0033] Figure 3 This is a schematic diagram of the gas supply connector in Embodiment 1 of the present invention;

[0034] Figure 4 This is a schematic diagram of the internal structure of the reinforcing bar sleeve in Embodiment 1 of the present invention;

[0035] Figure 5 This is a schematic diagram of the reinforcing bar sleeve in Embodiment 1 of the present invention;

[0036] Figure 6 This is a schematic diagram of the end structure of the insert assembly in Embodiment 1 of the present invention;

[0037] Figure 7 This is a schematic diagram of the exploded end structure of the insert assembly in Embodiment 1 of the present invention;

[0038] Figure 8 This is an exploded schematic diagram of the endotracheal tube body in Embodiment 2 of the present invention.

[0039] [Explanation of Labels in the Attached Image]

[0040] 1. Endotracheal tube body; 11. End end; 12. Head end; 13. Air supply channel; 14. Insertion rib hole; 15. Air supply connector; 151. Insertion hole; 152. Positioning groove; 16. Positioning protrusion; 17. Notch; 2. Insertion rib assembly; 21. Insertion rib sleeve; 211. Long storage hole; 212. Long push hole; 213. Drive gear; 22. Reinforcing rib; 221. Pull-out hole; 23. Push rib push head; 231. Push rod; 232. Pull-out hook; 233. Relief hole; 234. Conical push head; 235. Countersunk hole; 236. Spring; 24. Auxiliary guide wheel; 241. Anti-slip texture. Detailed Implementation

[0041] To better explain and facilitate understanding of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0042] The endotracheal tube proposed in this invention can be used in two ways: one is for routine use, i.e., only to maintain the patient's breathing. In this case, the endotracheal tube body can be directly inserted into the patient's mouth, with the end of the endotracheal tube body penetrating the patient's trachea and the head end exposed in the patient's mouth. Then, the head end is directly connected to the ventilator. The other is for use during surgery, i.e., to maintain sufficient strength of the endotracheal tube during surgery to prevent it from being flattened, and to avoid affecting intraoperative MRI. In this case, a reinforcing rib assembly can be directly connected to the head end of the endotracheal tube body. The head end of the endotracheal tube body is connected to one end of the reinforcing rib sleeve. Then, the reinforcing rib is pushed into the reinforcing rib hole by the pusher in the reinforcing rib assembly, so that the reinforcing rib is spirally attached to the endotracheal tube body. At this time, the reinforcing rib is twisted, which can withstand stronger deformation perpendicular to its own length direction, thereby greatly improving the structural strength and pressure resistance of the endotracheal tube body, while meeting the requirements of intraoperative MRI, and making it more convenient.

[0043] To better understand the above technical solutions, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention can be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that the present invention can be understood more clearly and thoroughly, and that the scope of the present invention can be fully conveyed to those skilled in the art.

[0044] Example 1

[0045] Reference Figures 1 to 7 An endotracheal tube includes an endotracheal tube body 1 and a detachable insertion ligature assembly 2 connected to one end of the endotracheal tube body 1. The end of the endotracheal tube body 1 inserted into the patient's trachea is the distal end 11, and the end exposed in the patient's mouth and connected to the ventilator is the proximal end 12. An air supply channel 13 is formed in the middle of the endotracheal tube body 1.

[0046] The endotracheal tube body 1 has multiple insertion holes 14 evenly spaced around the outer periphery of the air supply channel 13. The insertion holes 14 extend along the length of the endotracheal tube body 1 in a spiral shape. The insertion holes 14 are long and deep holes with an opening at one end, and the opening end of the insertion holes 14 is located at the head end 12 of the endotracheal tube body 1.

[0047] The reinforcing bar assembly 2 includes a reinforcing bar sleeve 21 that is quickly connected to the head end 12, a reinforcing bar 22 inserted into the reinforcing bar sleeve 21, and a reinforcing bar pusher 23 that pushes the reinforcing bar 22 into the reinforcing bar hole 14.

[0048] Multiple insertion holes 14 are spirally coiled around the axis of the endotracheal tube body 1, and the reinforcing ribs 22 have a circular cross-section. The insertion holes 14 are configured to spirally coil around the axis of the endotracheal tube body 1, so that after the reinforcing ribs 22 are inserted into the insertion holes 14, they coil around the endotracheal tube body 1. This arrangement forms the entire endotracheal tube body 1 and all the reinforcing ribs 22 as a single unit for load-bearing, providing good torsion resistance while resisting bending, to adapt to the corresponding surgical procedures.

[0049] The head end 12 of the endotracheal tube body 1 is detachably connected to an air supply connector 15, which is connected to an external ventilator. Multiple positioning protrusions 16 are evenly spaced along the outer periphery of the head end 12. Both the air supply connector 15 and the insertion sleeve 21 have insertion holes 151 for inserting the head end 12. The inner wall of the insertion hole 151 has positioning grooves 152 for inserting and positioning the positioning protrusions 16. The four protrusions on the outer periphery of the head end 12 ensure more accurate positioning when installing the insertion sleeve assembly 2, allowing for better alignment between the reinforcing rib 22 and the insertion hole 14, making installation more convenient.

[0050] When using this endotracheal tube, there are two scenarios. One is routine use, where it is only used to maintain the patient's breathing. In this case, the endotracheal tube body 1 can be directly inserted into the patient's mouth, with the distal end 11 of the endotracheal tube body 1 extending into the patient's trachea, while the proximal end 12 and the air supply connector 15 are exposed in the patient's mouth. Then, the air supply connector 15 is directly connected to the ventilator. The other scenario is use during surgery, where it is necessary to maintain sufficient strength of the endotracheal tube during surgery to prevent it from being crushed, and to avoid interfering with intraoperative MRI scans. In this case, the air supply connector 15 can be removed, and then... The insertion rib assembly 2 is connected to the head end 12 of the endotracheal tube body 1. The head end 12 of the endotracheal tube body 1 is connected to one end of the insertion rib sleeve 21. Then, the reinforcing rib 22 is pushed into the insertion rib hole 14 by the push rib pusher 23 in the insertion rib assembly 2, so that the reinforcing rib 22 is spiral in the endotracheal tube body 1. At this time, the reinforcing rib 22 is twisted, which can withstand stronger deformation perpendicular to its own length direction, thereby greatly improving the structural strength and pressure resistance of the endotracheal tube body 1. The gas supply connector 15 is installed on the head end 12 and then connected to the ventilator for use.

[0051] The reinforcing bar assembly 2 also includes multiple sets of auxiliary wheels that are driven to rotate inside the reinforcing bar sleeve 21 by a micro motor. Each set of auxiliary wheels includes two auxiliary guide wheels 24 that clamp the reinforcing bar 22 on both sides and rotate in opposite directions to push the reinforcing bar 22 into the reinforcing bar hole 14. The outer periphery of the auxiliary guide wheels 24 is provided with anti-slip texture 241. The two auxiliary guide wheels 24 of each set abut against and clamp the reinforcing bar 22 on both sides, and then rotate in opposite directions, thereby providing assistance for the reinforcing bar 22 to be inserted into the reinforcing bar hole 14, making the reinforcing bar insertion process easier and more convenient. At the same time, the reinforcing bar 22 itself has a certain deformation capacity. By providing anti-slip texture 241 on the outer periphery of the auxiliary guide wheels 24, the anti-slip texture 241 can be imprinted on the surface of the reinforcing bar 22 when the auxiliary guide wheels 24 clamp the reinforcing bar 22, thereby reducing slippage and providing stronger assistance.

[0052] The insert sleeve 21 has a long hole 211 for receiving the reinforcing rib 22 along its length. One end of the long hole 211 is connected to the insertion hole 151. The end of the insert sleeve 21 away from the insertion hole 151 has a long push hole 212 for the push head 23 to slide into. The inner circumferential wall of the insert sleeve 21 has multiple drive gears 213 driven by a micro motor that are evenly spaced around the circumference. The push head 23 has a rack-shaped cross section along its length, so that the multiple drive gears 213 are all meshed with the side end of the push head 23, thereby providing power for the push head 23 to move along the length of the long push hole 212. The side end of the push head 23 has multiple push rods 231 that are inserted into the long hole 211 to push the reinforcing rib 22 out of the long hole 211. The reinforcing rib 22 is stored in the storage elongated hole 211. When it is necessary to insert the rib, the rib pusher 23 is inserted along the elongated push hole 212 in the middle of the rib insertion sleeve 21, so that multiple push rods 231 at its peripheral end are inserted into the storage elongated hole 211 respectively, and then abut against the reinforcing rib 22 and push the reinforcing rib 22 from the storage elongated hole 211 into the rib insertion hole 14.

[0053] The head end 12 of the endotracheal tube body 1 has notches 17 on its inner and outer walls along its length, connecting to the insertion hole 14. A reinforcing rib 22 has a pull-out hole 221 at one end of the head end 12 perpendicular to its length, with both ends of the pull-out hole 221 exposed in the notches 17. When the reinforcing rib 22 is fully inserted into the insertion hole 14, the two ends of the pull-out hole 221 at one end of the reinforcing rib 22 are exposed in the notches 17. During normal use of the endotracheal tube, this position is blocked by the air supply connector 15, thus not affecting normal use. Furthermore, the reinforcing rib 22 can be pulled out after removing the air supply connector 15 to maintain the basic use of the endotracheal tube body 1, making it more convenient.

[0054] Multiple sets of pull-out hooks 232 are evenly spaced around the end of the push-out head 23 away from the endotracheal tube body 1, and the pull-out hooks 232 are hooked onto the pull-out hole 221.

[0055] The pusher head 23 has a relief hole 233 at one end away from the endotracheal tube body 1 along its own length. The pusher head 23 has a conical pusher head 234 sliding along its length in the relief hole 233 driven by a micro linear motor. The pusher head 23 has countersunk holes 235 evenly spaced around the inner wall of the relief hole 233. The diameter of the countersunk holes 235 is perpendicular to the diameter of the relief hole 233. One end of the pull-out hook 232 is inserted into the relief hole 233 through the opening at the outer end of the countersunk hole 235 and abuts against the side wall of the conical pusher head 234. A spring 236 is fitted on the pull-out hook 232, which is coaxially embedded in the countersunk hole 235 and pulls one end of the pull-out hook 232 toward the center of the relief hole 233. The pull-out hook 232 moves away from the axis of the relief hole 233 as the conical pusher head 234 moves. Move the conical pusher 234 outward from the hole 233 so that the conical pusher 234 abuts against one end of the pull-out hook 232 and pushes it to move to the outside of the countersunk hole 235, thereby increasing the diameter of the circle formed by the multiple pull-out hooks 232. At this time, move the reinforcing rib assembly 2 to coaxially align with the endotracheal tube body 1 and make the pull-out hook 232 aligned with the pull-out hole 221. Then reset the conical pusher 234. Under the action of the spring 236, the pull-out hook 232 resets and inserts into the pull-out hole 221. At this time, the reinforcing rib assembly 2 can be moved so that all the reinforcing ribs 22 are pulled out simultaneously.

[0056] Example 2

[0057] The difference between this embodiment and Embodiment 1 is as follows:

[0058] See Figure 8 The insertion hole 14 is spiraled around its own central axis parallel to its own length direction, and the cross-section of the reinforcing rib 22 is waist-shaped. Multiple reinforcing ribs 22 deform individually, making their bending resistance on one side stronger than in embodiment one. At this time, two methods can be selected as needed.

[0059] In the description of this invention, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0060] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0061] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first and second features are in direct contact, or that they are in indirect contact through an intermediate medium. Furthermore, "above," "over," or "on top" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," or "beneath" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0062] In the description of this specification, the terms "one embodiment," "some embodiments," "embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0063] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make modifications, alterations, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. An endotracheal tube, characterized in that: The device includes an endotracheal tube body (1) and a detachable insertion ligature assembly (2) connected to one end of the endotracheal tube body (1). The end of the endotracheal tube body (1) inserted into the patient's trachea is the distal end (11), and the end exposed in the patient's mouth and connected to the ventilator is the proximal end (12). An air supply channel (13) is formed in the middle of the endotracheal tube body (1). Multiple insertion ligature holes (14) are evenly spaced around the outer periphery of the air supply channel (13) of the endotracheal tube body (1). The insertion ligature holes (14) extend along the length of the endotracheal tube body (1) in a spiral shape. Each insertion ligature hole (14) is open at one end. The long, deep hole of the insertion ligature hole (14) is located at the head end (12) of the endotracheal tube body (1). The insertion ligature assembly (2) includes an insertion ligature sleeve (21) that is quickly connected to the head end (12), a reinforcing rib (22) inserted into the insertion sleeve (21), and a pusher head (23) that pushes the reinforcing rib (22) into the insertion ligature hole (14). The head end (12) of the endotracheal tube body (1) is detachably connected to a gas supply connector (15), which is connected to an external ventilator. The head end (12) is evenly spaced around its outer periphery. The assembly has multiple positioning protrusions (16). Both the air supply connector (15) and the insert sleeve (21) have insertion holes (151) for inserting the head end (12). The inner circumferential wall of the insertion hole (151) has positioning grooves (152) for inserting and positioning the positioning protrusions (16). The insert assembly (2) also includes multiple sets of auxiliary wheels that are driven to rotate inside the insert sleeve (21) by a micro motor. Each set of auxiliary wheels includes two auxiliary wheels that clamp the reinforcing rib (22) on both sides and rotate in opposite directions to push the reinforcing rib (22) into the insert hole (14). The guide wheel (24) has a long hole (211) for receiving the reinforcing rib (22) along its length. One end of the long hole (211) is connected to the insertion hole (151). The end of the insert sleeve (21) away from the insertion hole (151) has a long push hole (212) coaxially provided for the push head (23) to slide into. The push head (23) has a plurality of push rods (231) on its periphery that are inserted into the long hole (211) to push the reinforcing rib (22) out of the long hole (211). The inner circumferential wall is uniformly spaced and has multiple drive gears (213) driven by micro motors. The push head (23) has a rack-shaped cross section along its length, so that the multiple drive gears (213) mesh with the side end of the push head (23), thereby providing power for the movement of the push head (23) along the length of the long push hole (212).

2. The endotracheal intubation tube as described in claim 1, characterized in that: The auxiliary guide wheel (24) has anti-slip texture (241) on its outer periphery.

3. The endotracheal intubation tube as described in claim 1, characterized in that: The head end (12) of the endotracheal tube body (1) has grooves (17) on its inner and outer walls that connect to the insertion rib hole (14) along the length direction. The reinforcing rib (22) has a pull-out hole (221) at one end of the head end (12) perpendicular to its own length direction. The two ends of the pull-out hole (221) are exposed to the grooves (17) on both sides.

4. The endotracheal intubation tube as described in claim 3, characterized in that: The pusher head (23) is provided with multiple sets of pull-out hooks (232) evenly spaced around the end of the endotracheal tube body (1) away from the pusher head (232), and the pull-out hooks (232) are hooked onto the pull-out hole (221).

5. The endotracheal intubation tube as described in claim 4, characterized in that: The pusher head (23) has a relief hole (233) at one end away from the endotracheal tube body (1) along its own length direction. A conical pusher head (234) slides within the relief hole (233) along its length direction. The pusher head (23) has countersunk holes (235) evenly spaced circumferentially on the inner wall of the relief hole (233). The diameter of the countersunk holes (235) is perpendicular to the diameter of the relief hole (233). The pull-out hook ( One end of the pull-out hook (232) is inserted into the relief hole (233) through the outer end opening of the countersunk hole (235) and abuts against the side wall of the conical push head (234). A spring (236) is sleeved on the pull-out hook (232) and is coaxially embedded in the countersunk hole (235) and pulls one end of the pull-out hook (232) toward the center of the relief hole (233). The pull-out hook (232) moves away from the axis of the relief hole (233) as the conical push head (234) moves.

6. The endotracheal intubation tube as described in claim 1, characterized in that: The multiple insertion holes (14) are spirally coiled around the axis of the endotracheal tube body (1), and the reinforcing ribs (22) have a circular cross-section.

7. The endotracheal intubation tube as described in claim 1, characterized in that: The insertion hole (14) is spiraled around its own central axis parallel to its own length direction, and the cross section of the reinforcing rib (22) is waist-shaped.

Images