JP2015531296A - Tracheal tube fixation device - Google Patents

Abstract

A tracheal tube fixing device is provided. The present invention provides a body having a through-hole into which a tracheal tube is inserted and located outside the oral cavity of a patient, and a fixing member provided at one of the front of the body and around the through-hole. The tracheal tube inserted into the through-hole when fixed to the other side of the through-hole in front of the body so as to be movable back and forth with respect to the fixed member is fixed to the fixed member. A tracheal tube fixation device is provided that includes a movable member that compresses with the member. [Selection] Figure 1

Description

  The present invention relates to an apparatus for fixing an endotracheal tube inserted into a trachea.

  Generally, a tracheal tube used to secure a patient's airway is intubated into the trachea via the patient's oral cavity. The end of the tracheal tube, which is located outside the patient's oral cavity when intubated, is equipped with an adapter that is connected to a source of oxygen or inhalation anesthetic and is located in the patient's trachea when intubated The opposite end is provided with a cuff that expands when air is injected. When the intubated tracheal tube cuff is inflated, the patient's trachea is closed by the inflated cuff, and oxygen or inhalation anesthetic delivered along the tracheal tube to the patient's lungs prevents backflow from the lungs .

  Such a tracheal tube is fixed to some extent by an inflated cuff at the time of intubation, but most is more stably fixed by using a fixing device.

  Korean Patent Publication No. 10-2011-0135486 (published on December 19, 2011) discloses a tracheal tube fixing device including a body composed of a first body and a second body. The first body and the second body are coupled to each other by a slide-type coupling means with the intubated tracheal tube interposed therebetween in the oral cavity of the patient. The first body and the second body are each provided with a tube groove on the inner side facing each other at the time of coupling. Both tube grooves form a through hole into which the tracheal tube is inserted when the first body and the second body are coupled, and press the tracheal tube inserted into the through hole.

  Tracheal tubes are classified into pediatric and adult types according to size, and are manufactured with various outer diameters for pediatric and adult use. However, since the cross-sectional area of the through hole is constant in the proposed patent document tracheal tube fixing device, the tracheal tube cannot be inserted into the through hole or inserted into the through hole depending on the size of the tracheal tube. There is a problem that the tracheal tube cannot be firmly fixed.

  In addition, in the proposed patent document tracheal tube fixing device, since the separated first body and second body must be coupled in the oral cavity of the patient in order to fix the tracheal tube, the tracheal tube fixing operation is troublesome. There is a problem that it is difficult.

  In addition, the proposed tracheal tube fixing device of the patent document is such that the impact generated when the patient bites the first body and the second body in the oral cavity is transmitted to the patient's teeth as it is, and thus the patient's teeth are damaged. There is a problem that it is easy.

  An object of the present invention is to provide a tracheal tube fixing device capable of easily fixing tracheal tubes of various sizes.

  Another object of the present invention is to provide a tracheal tube fixing device capable of preventing the impact from being transmitted as it is to a patient's teeth when chewed by the teeth in the patient's mouth.

  In order to achieve the above object, according to an embodiment of the present invention, there is provided a body having a through hole that is located outside the oral cavity of a patient and into which a tracheal tube inserted into the trachea of the patient is inserted. A fixing member provided on either one of the two around the through hole in the front and a remaining other of the two around the through hole in the front of the body can be moved back and forth with respect to the fixing member. There is provided a tracheal tube fixing device including a movable member that is attached and compresses the tracheal tube inserted into the through hole together with the fixing member when moving forward with respect to the fixing member.

  A tracheal tube fixing device according to an embodiment of the present invention includes a tracheal tube that projects from the periphery of the through-hole to the rear of the body and is located in the patient's oral cavity and penetrates the through-hole. A tracheal tube protection tube may be further included to protect the tracheal tube from other teeth. At this time, the tracheal tube protective tube can be incised with at least one incision portion so that the impact can be absorbed when bitten by the patient's teeth.

  The body may have an open portion that is torn from the through hole so that a tracheal tube can be inserted into the through hole through a portion around the through hole. The tracheal tube protective tube may have an open portion spatially connected to the open portion of the body so that the tracheal tube can be inserted through the surrounding portion.

  The tracheal tube fixing device according to the embodiment of the present invention may further include a lock unit that restrains the movable member from moving back and forth.

  The movable member is slidable according to the guidance of a guide member provided on the body so as to be positioned on either one of both sides with respect to the moving direction.

  Here, one of the movable member and the guide member includes a plurality of first teeth arranged in a portion facing the remaining other along the moving direction of the movable member, and the movable member and the guide member The other one of the guide members is provided with one or a plurality of second teeth that mesh with the first tooth, and the guide member is mounted in a cantilever form so as to be able to bend and move along the bending direction. By separating or approaching the member, the engagement between the first tooth and the second tooth can be released at the time of separation. At this time, the first tooth and the second tooth constitute the locking means.

  The first tooth and the second tooth are inclined surfaces that come into contact with each other when the movable member moves forward with respect to the fixed member, and vertical contact with each other when the movable member moves backward with respect to the fixed member. Each of the inclined surfaces may have a shape inclined upward in the advancing direction of the movable member with respect to the fixed member.

  The body and the guide member may be provided with an operation handle that is arranged in a bending movement direction of the guide member in a pair with each other.

  Band attachment holes for connecting both of the wearing bands are provided on both sides of the body, and either one of the two band attachment holes may be provided in a size larger than the other one. Good.

  Since the tracheal tube fixing device according to the embodiment of the present invention inserts the tracheal tube into the through hole of the body and then advances the movable member to the fixed member side, the tracheal tube is compressed by the fixed member and the movable member. One tracheal tube fixing device can fix various sizes of tracheal tubes for children and adults.

  Moreover, the tracheal tube fixing device according to the embodiment of the present invention can easily and quickly perform an operation for fixing the tracheal tube because the movable member is disposed outside the oral cavity of the patient.

  In addition, since the tracheal tube fixing device according to the embodiment of the present invention has a structure in which a tracheal tube protective tube located in the oral cavity of the patient is incised, the patient absorbs an impact when chewed by the patient's teeth. Can protect your teeth.

It is the perspective view which looked at the tracheal tube fixing device concerning the present invention from the front. It is the perspective view which looked at the tracheal tube fixing device concerning the present invention from back. It is sectional drawing which looked at the tracheal tube fixing device concerning the present invention from the upper part. It is the fragmentary sectional view which looked at the tracheal tube fixing device concerning the present invention from the front. It is a left view of the tracheal tube fixing device according to the present invention. It is a perspective view of the body etc. of the tracheal tube fixing device concerning the present invention. It is a perspective view of the movable member of the tracheal tube fixing device according to the present invention. It is an enlarged view with respect to the 2nd guide member of the tracheal tube fixing device shown in FIG. 4, and its periphery.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.
1 and 2 are perspective views of the tracheal tube fixing device according to the present invention as viewed from the front and rear, respectively. FIG. 3 is a cross-sectional view of the tracheal tube fixing device according to the present invention as viewed from above. FIG. It is the fragmentary sectional view which looked at the tracheal tube fixing device concerning the invention from the front, and Drawing 5 is the left view of the tracheal tube fixing device concerning the present invention.

  The tracheal tube fixing device according to the present invention is made of a synthetic resin and can have a predetermined elasticity. As shown in FIGS. 1 to 5, the tracheal tube fixing device according to the present invention is a through-hole into which a tracheal tube (ET) inserted in a patient's trachea is inserted (hereinafter, reference numerals are omitted). It includes a body 300 having a hole 310 and a fixing unit (see reference numerals 400 and 500) for fixing a tracheal tube inserted into the through hole 310 of the body 300.

  FIG. 6 is a perspective view showing the body 300 and the like. The body 300 is located in front of the mouth outside the patient's mouth. The body 300 is preferably sized so that it can be locked to the patient's mouth to limit unintentional movement into the patient's mouth. The central portion of the body 300 is formed in a substantially flat shape, and the through hole 310 is formed so as to penetrate the flat central portion of the body 300 in the front-rear direction. The through hole 310 has a size into which various sizes of tracheal tubes such as for children and adults can be selectively inserted.

  Referring to FIGS. 1, 4, and 6, an opening 320 having a shape that is torn from the through hole 310 is provided on the upper side of the central portion of the body 300. According to the open part 320 connected to the through hole 310 and communicating spatially, not only the method of directly inserting the tracheal tube into the through hole 310 but also the tracheal tube is inserted into the upper side of the through hole 310 through the open part 320. Even the method can be inserted into the through hole 310.

  The fixed unit includes a fixed member 400 and a movable member 500 provided in front of the body 300 so as to face each other with the through hole 310 interposed therebetween. The fixed member 400 is provided on either one of the left and right sides around the through hole 310, and the movable member 500 slides in the front-rear direction relative to the fixed member 400 on the other left and right sides around the through hole 310. Installed as possible. Therefore, when the tracheal tube is inserted into the through hole 310 with the movable member 500 moving backward (separated) from the fixed member 400 and the movable member 500 is advanced (approached) toward the fixed member 400, the movable member 500 is inserted into the through hole 310. The tracheal tube is fixed to the body 300 while being compressed by the fixed member 400 and the movable member 500 regardless of the outer diameter (size) thereof. At this time, since the movable member 500 is positioned outside the patient's oral cavity, the tracheal tube fixing operation is easily and quickly performed outside the patient's oral cavity.

  1 and 4, the fixed member 400 is positioned on the left side of the through hole 310 and the movable member 500 is positioned on the right side of the through hole 310. However, the positions of the fixed member 400 and the movable member 500 may be interchanged. .

  FIG. 7 is a perspective view showing the movable member 500. The fixing member 400 protrudes from the body 300 by a predetermined length. The movable member 500 includes a slide plate 510 that slides relative to the body 300, a pressure base 520 that is positioned to face the fixed member 400 and protrudes forward from the slide plate 510 by a predetermined length, and the slide plate 510. And a handle 530 used for an operation for moving the handle.

  With reference to FIGS. 1, 4, and 7, the slide plate 510 has a structure in which the front end (side toward the fixing member) is bifurcated with respect to the moving direction with respect to the fixing member 400. The branched portion of the slide plate 510 is formed in a shape that allows the fixing member 400 to enter the space between the two forks 512 when the movable member 500 advances a predetermined distance toward the fixing member 400 side. The pressure table 520 is disposed in a region where the slide plate 510 branches. The handle 530 can be disposed on the rear side with respect to the moving direction of the slide plate 510 with respect to the fixing member 400.

  The fixing member 400 and the pressurization table 520 are in contact with the tracheal tube at portions facing each other. The fixing member 400 and the pressurizing table 520 are formed in an arc shape recessed so as to have a shape corresponding to a tracheal tube having a circular portion facing each other. The fixing member 400 and the pressure table 520 can project at least one fixing protrusion 402, 502 provided at a portion facing each other so that the tip end portion is sharp.

  A guide is used for mounting the movable member 500. Referring to FIGS. 1 and 4 to 6, the guides are provided on the body 300 so as to be positioned on both sides (that is, up and down) with respect to the moving direction of the movable member 500 with respect to the fixed member 400, and are paired with each other. The first guide member 610 and the second guide member 620 that guide accurate sliding movement of the movable member 500 are included.

  The first guide member 610 and the second guide member 620 protrude from the body 300 with the slide plate 510 of the movable member 500 interposed therebetween, and the vertical plates 612 and 622 restrain the movement of the movable member 500 in the vertical direction. Horizontal plates 614 and 624 that restrain the movement of the movable member 500 in the forward direction by being positioned so as to place the slide plate 510 between them and the body 300, respectively, extending in the opposite direction from the tip of the 622. Including. According to the vertical plates 612 and 622 and the horizontal plates 614 and 624, the first guide member 610 and the second guide member 620 are both bent in a substantially L shape as shown in FIG.

  Of the first guide member 610 and the second guide member 620, two first guide members 610 positioned relatively above are provided, and can be arranged one on each of the left and right sides with the opening 320 therebetween. .

  FIG. 8 is an enlarged view of the second guide member 620 and its periphery shown in FIG. Referring to FIG. 4 and FIG. 8, the second guide member 620 positioned relatively lower of the first guide member 610 and the second guide member 620 is bent and moved in the vertical direction with respect to the movable member 500. It is attached in a cantilever form so that Due to such a bending movement structure, the body 300 is provided with an installation opening 330 penetrating in the front-rear direction below the through-hole 310, and the second guide member 620 has a right side (movable relative to the fixed member) of both the left and right sides. The rearward side of the member is connected to the installation opening 330, and the opposite left side is located in the installation opening 330 so that it is in an unsupported state. Accordingly, the second guide member 620 is bent when a force is applied in the vertical direction, and when the force is removed, the second guide member 620 is restored to its original shape by elasticity.

  The movable member 500 and the second guide member 620 are provided with a first tooth 710 and a second tooth 720 that mesh with each other and restrain the movement of the movable member 500 in the front-rear direction with respect to the fixed member 400. The first tooth 710 and the second tooth 720 are disposed to face each other. A plurality of first teeth 710 are connected to the lower side of the slide plate 510 of the movable member 500 along the moving direction of the movable member 500, and the second tooth 720 that meshes with the first tooth 710 is perpendicular to the second guide member 620. One or a plurality of plates 622 are provided.

  The meshing between the first tooth 710 and the second tooth 720 is released when the second guide member 620 is bent and moved downward so that the second guide member 620 is separated from the movable member 500. Of course, the second guide member 620 flexed and moved downward in this way returns to its original shape when the force for flexing movement is removed. Thereby, the 1st tooth 710 and the 2nd tooth 720 are maintained in the state which engaged further.

  As specifically shown in FIG. 8, the first tooth 710 and the second tooth 720 are unidirectional saw teeth having inclined surfaces 712 and 722 having vertical inclinations and vertical vertical surfaces 714 and 724, respectively. is there. The inclined surfaces 712 and 722 of the first tooth 710 and the second tooth 720 come into contact with each other when the movable member 500 moves forward with respect to the fixed member 400, and are inclined upward in the forward direction of the movable member 500 with respect to the fixed member 400. Formed. The vertical surfaces 714 and 724 of the first tooth 710 and the second tooth 720 contact each other when the movable member 500 moves backward relative to the fixed member 400. Accordingly, when the movable member 500 is pushed toward the fixed member 400, the second guide member 620 is moved downward and returned to its original shape by the bending operation of the inclined surfaces 712 and 722 of the first tooth 710 and the second tooth 720. Repeatedly, the movable member 500 advances in this process. On the other hand, when the movable member 500 is pushed in the opposite direction to move backward, the movable member 500 is prevented from moving by the locking action of the vertical surfaces 714 and 724 of the first tooth 710 and the second tooth 720.

  Referring to FIGS. 6 and 7, the body 300 and the slide plate 510 may be provided with guide protrusions 632 and 642 and guide grooves 634 and 644 in portions facing each other. The guide protrusions 632 and 642 are inserted into the guide grooves 634 and 644 and move along the guide grooves 634 and 644. The guide protrusions 632 and 642 can be formed on the slide plate 510. The guide grooves 634 and 644 can be formed long in the body 300 along the moving direction of the movable member 500. Two guide protrusions 632 and 642 and two guide grooves 634 and 644 may be provided. At least one of the two guide grooves 634 and 644 may have a stopper 636 that limits the backward movement distance of the movable member 500 relative to the fixed member 400.

  The tracheal tube fixing device according to the present invention protrudes a predetermined length from the peripheral side of the through-hole 310 to the rear of the body 300 and is located in the patient's oral cavity, and accommodates the tracheal tube inserted into the through-hole 310 and the patient. A tracheal tube protection tube 800 is further included to protect the tracheal tube from the teeth.

  Referring to FIGS. 1, 2, 5, and 6, the tracheal tube protection tube 800 is spatially connected to the opening 320 of the body 300 so that the tracheal tube can be inserted through the upper portion thereof. The open part 810 is provided. The tracheal tube protection tube 800 has at least one incision 820 so that it can absorb impact when bitten by the patient's teeth. The incision 820 is formed along the length direction of the tracheal tube protection tube 800. Since the tracheal tube protection tube 800 incised by the incision 820 has improved elasticity, it absorbs an impact when chewed by the patient's teeth and protects the patient's teeth from the impact while protecting the patient's teeth from the trachea. Protect the tube. As shown in FIG. 3, the tracheal tube protection tube 800 can be covered with a protection tube cover 850 made of an elastic material such as rubber.

  In FIG. 3 and the like, a reference numeral 340 is a band mounting hole for connecting a wearing band 900 used to fix the body 300 to the patient. The band mounting holes 340 are provided on both the left and right sides of the body 300, respectively. One of the two band mounting holes 340 is formed in a larger size than the other. This allows the wear band 900 to be easily and quickly connected without a large volume increase of the body 300.

  Reference numeral 350 denotes an instrument insertion hole used for inserting instruments such as bronchoscopes, suction instruments, and airway tubes. The instrument insertion hole 350 can be positioned between one of the band mounting holes 340 on both sides and the through hole 310.

  In FIG. 1 and the like, reference numerals 750 and 760 are handles used for an operation for bending movement of the second guide member 620. One of the flexure movement operation handles 750 and 760 is provided on the body 300 so as to protrude forward from the second guide member 620 and the other is positioned below one of them, and is opposed to each other in the vertical direction. To do. According to such an arrangement structure, the bending movement operation handles 750 and 760 can be operated with one hand. As an example, the upper handle 750 and the lower handle 760 can be grasped and pushed by the thumb and forefinger and operated with one hand. In this process, the movable member 500 can be moved with the other hand.

Although the present invention has been described above, the present invention is not limited to the embodiments disclosed in this specification and the accompanying drawings, and various modifications can be made by ordinary engineers without departing from the technical idea of the present invention. it can.

Claims (11)

A body that is located outside the patient's oral cavity and has a through-hole into which a tracheal tube inserted into the patient's trachea is inserted;
A fixing member provided on either one of the two around the through hole in front of the body;
A tracheal tube which is attached to the other of the two around the through hole in front of the body so as to be movable back and forth with respect to the fixing member, and is inserted into the through hole when moving forward with respect to the fixing member. A tracheal tube fixing device, comprising: a movable member that presses together with the fixing member.   A tracheal tube protection tube that projects from the periphery of the through-hole to the rear of the body and is located in the oral cavity of the patient and that accommodates the tracheal tube penetrating the through-hole and protects the tracheal tube from the patient's teeth; The tracheal tube fixing device according to claim 1, wherein   The tracheal tube fixing device according to claim 2, wherein the tracheal tube protective tube is incised with at least one incision portion so as to be able to absorb an impact when biting by a patient's teeth. apparatus.   The said body has the open part of the shape torn from the said through-hole so that a tracheal tube can be inserted in the said through-hole through the surrounding part of the said through-hole. The tracheal tube fixing device as described. A tracheal tube protection tube that projects from the periphery of the through-hole to the rear of the body and is located in the oral cavity of the patient and that accommodates the tracheal tube penetrating the through-hole and protects the tracheal tube from the patient's teeth; But,
5. The tracheal tube protection tube according to claim 4, wherein the tracheal tube protection tube has an open portion spatially connected to the open portion of the body so that the tracheal tube can be inserted through a peripheral portion thereof. The tracheal tube fixing device as described.   The tracheal tube fixing device according to claim 1, further comprising a lock unit that restrains the movable member from moving back and forth.   2. The tracheal tube fixing according to claim 1, wherein the movable member slides and moves according to a guide of a guide member provided on the body so as to be located on either one of both sides with respect to a moving direction. apparatus. Among the movable member and the guide member, one of the plurality of first teeth is continuously provided along a moving direction of the movable member, at a portion facing the other of the other,
Of the movable member and the guide member, the remaining other is provided with one or more second teeth that mesh with the first tooth,
The guide member is mounted in a cantilever form so as to be able to bend and move, and the first tooth and the second tooth are engaged with each other by separating or approaching the movable member along the bending direction. The tracheal tube fixing device according to claim 7, wherein the tracheal tube fixing device is released. The first tooth and the second tooth are inclined surfaces that come into contact with each other when the movable member moves forward with respect to the fixed member, and vertical contact with each other when the movable member moves backward with respect to the fixed member. Each with a surface,
The tracheal tube fixing device according to claim 8, wherein the inclined surface has a shape inclined upward in a forward direction of the movable member with respect to the fixing member.   The tracheal tube fixing device according to claim 8, wherein the body and the guide member are provided with an operation handle that is disposed in a bending movement direction of the guide member in a pair with each other. On both sides of the body, band mounting holes for connecting both of the wearing bands are provided,
The tracheal tube fixing device according to claim 1, wherein one of the two band mounting holes is provided in a size larger than the other of the other band mounting holes.

Images