JP4757418B2 - Tracheostomy tube - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a tracheostomy tube, and more particularly to a tracheostomy tube with a suction lumen in which a suction lumen is provided in a tube wall portion of a vent tube which is a lumen body of the tracheostomy tube.
[0002]
[Prior art]
As is well known, a tracheostomy tube is a medical instrument used for a patient with insufficient respiratory function. The tracheostomy tube is attached to the human body by performing tracheostomy on the patient and inserting it into the incision. By this tracheostomy tube, air is sent from the outside to the lungs through the trachea or from the lungs to the outside. It is designed to be sent out. Therefore, the patient can breathe normally by the natural breathing motion of the human body without passing air through the throat and nose.
[0003]
In addition, in the case of respiratory failure patients, breathing is performed in a state close to normal by attaching a ventilator to this, and in the case of attaching a suction lumen etc., it is possible to remove stored moss In the bent tube of a tracheostomy tube, a wall provided with a hole or the like has a wide range of applications such as enabling patient conversation.
[0004]
FIG. 5 is a schematic view of a conventional tracheostomy tube and a cross-sectional view thereof taken along the line AA. In the figure, reference numeral 1 denotes a tracheostomy tube, and its vent tube 2 is a substantially U-shaped lumen curved with a slightly large curvature at approximately 90 °, and the lumen of this lumen body is an airway securing lumen 2a. It has become. 4 is a cuff which covers the outer periphery of one end part 3 of the vent tube 2 or its vicinity, for example, has a role which supports the vent tube 2 inserted in the trachea without gap, and the whole is a hollow shape like a tire. Thus, the hollow portion can be pressurized or depressurized through the small lumen 5 for cuff expansion provided in the tube wall portion of the vent tube 2 so that the entire cuff 4 can be appropriately expanded or contracted.
[0005]
Further, a suction lumen 13 for sucking and removing viscous fluid such as soot in the trachea and solid matter such as food is provided at a position facing the small lumen 5 for cuff expansion in the tube wall portion of the vent tube 2. The suction opening 13a is provided so as to open to the outside at a predetermined portion of the bent portion of the vent tube 2. Incidentally, the suction lumen 13 from the need for high-withdrawing, rather than the small lumen 5 cuff inflation is important to reduce the Inpi dance as lumens, form the lumen of the small lumen 5 larger size cuff inflation There is a need. For this reason, the lumen of the vent tube 2 is biased toward the small lumen 5 for cuff inflation, and the wall thickness on the side where the suction lumen 13 is formed is formed with the small lumen 5 for cuff inflation. It is thicker than the wall thickness on the opposite side.
[0006]
6 is a connector part which constitutes the other end part of the vent tube 2, and a ventilator (not shown) or a lid (used when the ventilator is not used) or the like on the outer peripheral part in the vicinity of the end part, if necessary. A rotatable connecting portion having a pair of locking pieces 11a, 11a for connecting with a string such as a ventilator in a cylindrical shape and having a flange at the lower end portion and used at the opposite position. 11 is fitted. 7 is a fixture integrally provided at the lower end portion of the connector portion 6, and includes a shaft portion 8a extending from the connector portion 6 and a wing-like arm portion 8b provided at the lower left and right sides thereof. Holes 9 for attachment to the human body are provided in the vicinity of the tip of the portion 8b. And, above the arm portion 8b of the shaft portion 8a of the fixture 7, a small cuff tube 10 communicated with the small lumen 5 for cuff expansion and used to pressurize or depressurize the hollow portion of the cuff 4, A suction lumen tube 12 communicated with the suction lumen 13 is attached.
[0007]
The tracheostomy tube 1 configured as described above is inserted into an incision opened from the throat of the human body to the trachea so that the end 3 of the vent tube 2 faces the lung, and is fixed to the hole 9 of the fixture 7. A string is attached, and this fixed string is fixed to the human body as if it is hung on the neck. Then, the cuff 4 of the tracheostomy tube 1 is inflated by sending air from the small cuff tube 10 so that the inner peripheral surface of the trachea is lightly pressed, and the cuff 4 supports the tracheostomy tube 1 in the trachea and lungs. Keep the air exhaled from the throat and nose. After indwelling, the air exhaled from the lung is exhausted from the opening of the connector portion 6 to the outside of the human body through the airway securing lumen 2a of the vent tube 2 without passing through the throat or nose. Air from outside the human body is taken into the lungs through the airway securing lumen 2a. By repeating this, normal breathing is performed. During placement of the tracheostomy tube 1, viscous fluid such as sputum in the trachea and solids such as food are sucked by the suction lumen 13 and discharged to the outside of the human body via the suction lumen tube 12.
[0008]
[Problems to be solved by the invention]
The conventional tracheostomy tube 1 as described above, when sucking and removing viscous fluids such as sputum in the trachea and solids such as food, from the suction lumen 13 provided in the vent tube 2 to the suction lumen 13. The fluid is discharged to the outside of the human body through the communicating suction lumen tube 12. The suction lumen tube 12 is fixed by bonding or the like above the arm portion 8 b of the shaft portion 8 a of the fixture 7. However, the suction lumen tube 12 is not used except when sucking and removing viscous fluids and solids, and is thick and long, and is provided with a connector 12a at the end thereof. There is a problem that the operation of the tracheostomy tube 1 may be obstructed when the tube 1 is mounted or after the tube 1 is mounted, and the usability of the tracheostomy tube 1 is deteriorated.
[0009]
The present invention has been made to solve the above-described problems, and an object thereof is to provide an easy-to-use tracheostomy tube that does not interfere with the operation of the suction lumen tube during and after installation. Is.
[0010]
[Means for Solving the Problems]
The tracheostomy tube according to the present invention has a lumen in one end portion of the outer peripheral surface of the lumen body and a connector portion formed in the other end portion as an airway securing lumen, and the lumen body tube aspiration lumen for aspirating depot endotracheal have a suction opening communicating with the cuff inflation lumen and the external communicating with the cuff in the wall portion is provided along the length of the luminal body tracheostomy In the tube, a connection port that communicates with the suction lumen in a direction intersecting the suction lumen is provided at a lower portion of the connector portion of the lumen body , provided at the connector portion of the lumen body , and intersecting the suction lumen. to the connecting port communicating with the suction lumen is formed in the direction, mounting portion that overlaps circumferentially in a region including the connection port of the connector portion of the luminal body, and is provided in the mounting portion, communicating with the connecting port Suction lumen Has a tube, overlapping and connecting members for communicating via the suction lumen and the outside is detachably attached to the connection port connecting port, in a region including the connection port of the connector portion of the luminal body in the circumferential direction It has a mounting portion, and is provided with a closing member that is detachably mounted in the connection port and blocks communication between the suction lumen and the outside.
[0011]
In the tracheostomy tube according to the present invention, the connecting member is provided at a substantially central portion of the arcuate attachment portion attached to the lower outer peripheral portion of the connector portion of the lumen body and the inner peripheral portion of the attachment portion. And a suction lumen tube which is provided in the center of the outer peripheral portion of the mounting portion and communicates with the suction lumen via the fitting portion.
[0012]
The tracheostomy tube according to the present invention is provided with an occluding member at a substantially central portion of the arcuate attachment portion attached to the lower outer peripheral portion of the connector portion of the lumen body and the inner peripheral portion of the attachment portion. And a closing plug that closes the connection port.
[0013]
In the tracheostomy tube according to the present invention, protrusions projecting outward are provided on the outer peripheral portions of both ends of each attachment portion of the connecting member and the blocking member.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
Embodiment 1 FIG.
1 is a schematic view of an embodiment of the present invention, FIG. 2 is a top view thereof, FIG. 3 is a front view of the main part of FIG. 1, and FIG. 4 is an exploded top view of the embodiment of the present invention. is there. In addition, the same code | symbol is attached | subjected to the same part as the prior art example demonstrated in FIG. 5, and description is abbreviate | omitted.
[0015]
In the figure, reference numeral 14 denotes a connection port provided at a position facing a connection portion to which the small cuff tube 10 of the shaft portion 8a of the fixture 7 of the tracheostomy tube 1 is connected, and communicates with the suction lumen 13. Reference numeral 15 denotes a suction lumen connecting member that is detachably attached to the shaft portion 8a of the fixture 7. When sucking and removing viscous fluids such as sputum in the trachea and solids such as food, the connection port 14 is provided. Used by mounting. The suction lumen connecting member 15 is made of, for example, a synthetic resin material having elasticity, the height is lower than the shaft portion 8a, and the length is about two-thirds of the outer peripheral portion of the shaft portion 8a, and the inner peripheral portion is the shaft portion. An arcuate mounting portion 15a having an arc that is substantially equal to or slightly smaller than the outer peripheral portion of 8a, and a substantially central portion of the inner peripheral portion of the mounting portion 15a, is fitted into the connection port 14 of the shaft portion 8a and is sucked into the suction lumen 13 And a suction lumen tube 12 provided at substantially the center of the outer periphery of the mounting portion 15a and communicating with the suction lumen 13 via the insertion portion 15b. Further, on the outer peripheral side of both ends of the mounting portion 15a, projections 15c and 15c used for spreading the both ends of the mounting portion 15a outward when attaching / detaching (especially when removing) are provided. . Reference numeral 16 denotes a closing member that is detachably attached to the shaft portion 8a of the fixing device 7, and prevents backflow when a viscous fluid such as sputum in the trachea or solid matter such as food is removed by suction, that is, when not sucked. Used as a stopper for mounting on the connection port 14. The closing member 16 is provided in the mounting portion 16a having the same structure as the mounting portion 15a of the suction lumen connecting member 15 and the substantially central portion of the inner peripheral portion of the mounting portion 16a, and is fitted into the connection port 14 of the shaft portion 8a. It is comprised by the obstruction | occlusion stopper 16b which obstruct | occludes the connection port 14. FIG.
[0016]
In this embodiment configured as described above, first, the blocking member 16 is mounted on the shaft portion 8 a of the fixture 7 of the tracheostomy tube 1, and the connection port 14 is blocked by the blocking plug 16 b of the blocking member 16. Next, the vent tube 2 of the tracheostomy tube 1 is inserted into an incision opened from the throat of the human body to the trachea so that the end 3 thereof faces the lung, and the lower surface side of the fixture 7 of the tracheostomy tube 1 is the incision. Insert until it touches nearby skin. After the insertion, a fixed string is attached to the hole 9 of the arm portion 8b of the fixture 7 of the tracheostomy tube 1, and the fixed string is fixed so as to hang on the neck of the human body. The cuff 4 of the tracheostomy tube 1 is attached to the trachea. Air is blown from the small cuff tube 10 and the small cuff inflation lumen 5 so as to lightly press the inner peripheral surface. The cuff 4 supports the tracheostomy tube 1 in the trachea, and air exhaled from the lungs. Place it so that it does not come out to the throat or nose.
[0017]
After indwelling, the air exhaled from the lungs is exhausted from the opening of the connector portion 6 to the outside of the human body through the airway securing lumen 2a of the vent tube 2 without going out to the throat or nose side. The air from outside the human body is taken into the lungs through the airway securing lumen 2a. By repeating this, normal breathing is performed.
[0018]
When the tracheostomy tube 1 is indwelled, when a viscous fluid such as a sputum in the trachea or solid matter such as food is removed by suction, it is first attached to the shaft portion 8a of the fixture 7 of the tracheostomy tube 1. The closed member 16 is removed by opening the projections 16c and 16c of the mounting portion 16a outward, and the connection port 14 is opened. Next, the suction lumen connecting member 15 is attached to the shaft portion 8a of the fixture 7 so that the insertion portion 15b is inserted into the connection port 14, and the suction lumen 13 and the suction lumen tube 12 are connected to the connection port 14 and the insertion. It connects via the part 15b. Then, the viscous fluid and solids in the trachea are sucked and removed through the suction lumen 13 and the suction lumen tube 12 by a suction device connected to the connector 12a provided at the end of the suction lumen tube 12. And discharge to the outside of the human body.
[0019]
In this way, the tracheostomy tube 1 is attached to the connection port 14 communicating with the suction lumen 13 provided in the shaft portion 8a of the fixture 7 at the time of suction removal or non-suction of the viscous fluid or solid matter in the trachea. Since the suction lumen connecting member 15 and the blocking member 16 are provided, when the tracheostomy tube 1 is inserted into an incision opened from the throat of the human body to the trachea, a connector 12a is provided at the end that is thick and long. The suction lumen tube 12 that has become a hindrance when the tracheostomy tube 1 is attached and after the tracheostomy tube 1 is attached can be removed from the fixture 7 and the tracheostomy tube 1 can be inserted. Opening of the connection port 14 at the time of sucking and removing the viscous fluid and solid matter in the pipe and closing of the connection port 14 at the time of other than the suction removal are connected to the connecting member 15 for the suction lumen. Can is that can be easily performed by a simple operation of only mounting the closure member 16, to obtain convenient good tracheostomy tube 1.
[0020]
【The invention's effect】
As described above, the tracheostomy tube according to the present invention has a lumen of a lumen body having a cuff on one end outer peripheral surface and a connector portion formed on the other end as an airway securing lumen, In a tracheostomy tube in which a suction lumen having a cuff inflation lumen communicating with the cuff and a suction opening communicating with the outside is provided in the tube wall portion of the cavity body along the length direction of the lumen body, A connection port that communicates with the suction lumen is provided at the lower part of the connector part, and a connecting member that is detachably attached to the connection port and allows the suction lumen and the outside to communicate with each other via the connection port, and is detachably attached to the connection port. When the tracheostomy tube is installed, it is thick and long and has a connector at the end when the tracheostomy tube is inserted into the incision. And wearing The tube for suction lumen that was in the way of the operation of the tracheostomy tube can be removed from the lumen body and inserted, and the connection port can be opened at the time of suction and the connection port can be blocked at the time of non-suction. The tracheostomy tube can be easily obtained by a simple operation simply by attaching the connecting member or the blocking member.
[0021]
In the tracheostomy tube according to the present invention, the connecting member is provided at a substantially central portion of the arcuate attachment portion attached to the lower outer peripheral portion of the connector portion of the lumen body and the inner peripheral portion of the attachment portion. A simple structure because it is configured with a fitting portion that is inserted into the suction lumen and communicates with the suction lumen, and a suction lumen tube that is provided substantially at the center of the outer peripheral portion of the mounting portion and communicates with the suction lumen via the fitting portion. Thus, it is possible to obtain a tracheostomy tube having a connecting member that can easily connect the suction lumen and the outside via the connection port.
[0022]
The tracheostomy tube according to the present invention is provided with an occluding member at a substantially central portion of the arcuate attachment portion attached to the lower outer peripheral portion of the connector portion of the lumen body and the inner peripheral portion of the attachment portion. Therefore, the tracheostomy tube having a blocking member that can easily block the communication between the suction lumen and the outside can be obtained with a simple structure.
[0023]
The tracheostomy tube according to the present invention is provided with protrusions projecting outward at the outer peripheral portions of both ends of the attachment portions of the connecting member and the occluding member. A tracheostomy tube that can be performed can be obtained.
[Brief description of the drawings]
FIG. 1 is a schematic diagram of an embodiment of the present invention.
FIG. 2 is a top view of FIG.
FIG. 3 is a front view of the main part of FIG. 1;
FIG. 4 is an exploded top view of the embodiment of the present invention.
FIG. 5 is a schematic view of a conventional tracheostomy tube and a cross-sectional view thereof taken along the line AA.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Tracheotomy tube 2 Vent tube 2a Lumen for airway ensuring 3 End part 4 Cuff 5 Small lumen for cuff expansion 6 Connector part 12 Tube for suction lumen 13 Suction lumen 13a Suction opening 14 Connection port 15 Connecting member 15a, 16a for suction lumen Mounting part 15b Insertion part 15c, 16c Protrusion part 16 Occlusion member 16b Occlusion stopper

Claims (4)

The lumen of the lumen body (2) having a cuff (4) on the outer peripheral surface at one end and the connector portion (6) at the other end is used as an airway securing lumen (2a) , and the tube the wall portion of the luminal body (2), the cuff (4) cuff inflation lumen (5) communicating with and suction opening communicating with the outside (13a) Yes and for sucking reservoir of intratracheal In the tracheostomy tube (1) provided with the suction lumen (13) of the lumen body (2) along the length direction thereof,
A connection port (14) provided in the connector portion (6) of the lumen body (2) , formed in a direction intersecting the suction lumen (13) and communicating with the suction lumen (13) ;
A mounting portion (15a) that overlaps in a circumferential direction in a region including the connection port (14) of the connector portion (6) of the lumen body (2) , and the connection port (14) It has a suction lumen tube which communicates (12), the coupling member for communicating via the connection port (14) to detachably mounted by suction lumen (13) between the outside and the connection port (14) ( 15)
The lumen (2) has a mounting portion (16a) that overlaps in the circumferential direction in a region including the connection port (14) of the connector portion (6), and is attached to the connection port (14) in a detachable manner for suction. lumen tracheostomy tube (13) and characterized by comprising a closing member for closing the communication between the outside (16) (1). Approximate center of the inner peripheral portion of the connecting member (15), arc-shaped mounting portion mounted on the lower outer periphery of the connector portion of the luminal body (2) (6) and (15a), said mounting portion (15a) provided part, fitting portion communicating with the suction lumen (13) is fitted to the connection port (14) and (15b), provided approximately in the center portion of the outer peripheral portion of the mounting portion (15a), said fitting portion ( The tracheostomy tube (1) according to claim 1, characterized in that it comprises a suction lumen tube (12) communicating with the suction lumen (13) via 15b) . Approximate center of the inner peripheral portion of the closing member (16), arcuate mounting portion mounted on the lower outer periphery of the connector portion of the luminal body (2) (6) and (16a), said mounting portion (16a) provided parts, connection port (14) is fitted into in claim 1 or 2 wherein the tracheostomy tube, characterized by being configured by the closing plug (16b) for closing the connecting port (14) (1) . The projecting portions (15c, 16c) projecting outward are provided on the outer peripheral portions of both ends of each mounting portion (15a, 16a) of the connecting member (15) and the closing member (16). 3. Tracheostomy tube (1) according to 3 .

Images