KR101082806B1 - Laryngoscope - Google Patents

Laryngoscope Download PDF

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Publication number
KR101082806B1
KR101082806B1 KR1020090049833A KR20090049833A KR101082806B1 KR 101082806 B1 KR101082806 B1 KR 101082806B1 KR 1020090049833 A KR1020090049833 A KR 1020090049833A KR 20090049833 A KR20090049833 A KR 20090049833A KR 101082806 B1 KR101082806 B1 KR 101082806B1
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KR
South Korea
Prior art keywords
gear
laryngoscope
elevating member
end
handle
Prior art date
Application number
KR1020090049833A
Other languages
Korean (ko)
Other versions
KR20100131111A (en
Inventor
차수만
강현
김진윤
구길회
우영철
Original Assignee
중앙대학교 산학협력단
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 중앙대학교 산학협력단 filed Critical 중앙대학교 산학협력단
Priority to KR1020090049833A priority Critical patent/KR101082806B1/en
Publication of KR20100131111A publication Critical patent/KR20100131111A/en
Application granted granted Critical
Publication of KR101082806B1 publication Critical patent/KR101082806B1/en

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Abstract

The present invention discloses laryngoscopes. Laryngoscope according to the present invention is connected to the handle, a blade coupled to one end of the handle, a lever extending from one side of the blade to the handle side, the elevating member to be elevated by the operation of the lever and one end of the elevating member and the elevating member It includes a palatal support plate that is in close contact with the palate of the patient with the rise of the member. According to the present invention, there is an advantage that can easily secure the airway while preventing tooth damage through the lifting structure.
Laryngoscope, Elevation, Gear, Lever, Motor, Pump

Description

Laryngoscope

The present invention relates to a laryngoscope, to prevent damage to teeth in the endotracheal intubation, and to a laryngoscope that can easily secure the airway of the patient.

In general, endotracheal intubation refers to the operation of tracheal tube insertion into the trachea, and is most commonly used in emergency situations such as breathing disorders, when performing CPR or general anesthesia for surgery. airway).

The laryngoscope used for such endotracheal intubation consists of a handle 10 and a blade 12, as shown in FIG.

During endotracheal intubation, the laryngoscope is placed in an appropriate position in the oral cavity, and then the handle 10 is flipped back. At this time, the blade 12 connected to the handle 10 lifts the epiglottis so that the patient's airway can be secured.

However, according to the conventional laryngoscope, the handle 10 has a problem that tooth damage occurs because the blade 12 presses the maxillary teeth in the process of forcibly flipping.

Furthermore, in the conventional laryngoscope, the blade 12 applies pressure to the maxillary teeth to secure the airways. There is a problem that is not exposed to the field of view.

At this time, in order to expose the visual field, when the handle 10 is further wetted, there is a problem that the maxillary teeth are further damaged.

In the present invention, in order to solve the problems of the prior art as described above, to propose a laryngoscope to easily secure the airway without damaging the maxillary teeth.

According to a preferred embodiment of the present invention to achieve the above object, in the laryngoscope, a handle; A blade coupled to one end of the handle; A lever extending from one side of the blade to the handle side; An elevating member that elevates by operating the lever; And it is connected to one end of the lifting member is provided with a laryngoscope, characterized in that it comprises a palatal support plate in close contact with the palate of the patient in accordance with the elevation of the lifting member.

According to another aspect of the invention, in the laryngoscope, a handle; A blade coupled to one end of the handle; A motor located inside one end of the blade; An elevating member that elevates by driving of the motor; And it is connected to one end of the lifting member is provided with a laryngoscope, characterized in that it comprises a palatal support plate in close contact with the palate of the patient in accordance with the elevation of the lifting member.

According to another aspect of the invention, in the laryngoscope, a handle; A blade coupled to one end of the handle; A pump located inside one end of the blade; An elevating member for elevating hydraulically by driving the pump; And a palatal support plate connected to one end of the elevating member, the palatal support plate being in close contact with the palate of the patient in accordance with the elevation of the elevating member.

According to the present invention, by providing a lifting means inside the blade there is an advantage that it is easy to secure the airway without damaging the maxillary teeth.

In addition, according to the present invention, there is an advantage that the lifting means can be easily secured by allowing the user to lift in a simple manner by the user's lever operation or button input.

As the invention allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in the written description. However, this is not intended to limit the present invention to specific embodiments, it should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention. Like reference numerals are used for like elements in describing each drawing.

When a component is said to be "connected" or "connected" to another component, it may be directly connected to or connected to that other component, but it may be understood that another component may exist in between. Should be. On the other hand, when a component is said to be "directly connected" or "directly connected" to another component, it should be understood that there is no other component in between.

The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting of the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this application, the terms "comprise" or "have" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, and one or more other features. It is to be understood that the present invention does not exclude the possibility of the presence or the addition of numbers, steps, operations, components, components, or a combination thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art. Terms such as those defined in the commonly used dictionaries should be construed as having meanings consistent with the meanings in the context of the related art and shall not be construed in ideal or excessively formal meanings unless expressly defined in this application. Do not.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In order to facilitate a thorough understanding of the present invention, the same reference numerals are used for the same means regardless of the number of the drawings.

2 is a perspective view of the laryngoscope in accordance with one preferred embodiment of the present invention.

As shown in FIG. 2, the laryngoscope according to the present invention may include a handle 200 and a blade 202 and elevating means 204 coupled to one end of the handle 200.

Lifting means 204 according to the present invention is a lever 210 extending from the inside of the blade 202 to the handle 200, the elevating member 212 and the elevating member (elevating member in accordance with the operation of the lever 210) 212) may include a palatal support plate 214 coupled to one end.

When pulling the lever 210 to the handle 200 side, the elevating member 212 disposed inside the blade 202 is raised, accordingly, as shown in Figures 2 to 3, the elevating member 212 The palatal support plate 214 coupled to the palate while pushing the palate is in close contact with the palate of the patient. As the palate rises like this, the patient's airway can be easily secured.

More specifically, a gear box 220 having a plurality of gears is provided between the lever 210 and the elevating member 212 according to the present invention.

As shown in FIG. 4, the gearbox 220 according to the present invention includes a first gear 222 coupled to one end of the lever 210, a second gear 224 engaged with the first gear 222, The fourth gear 228 having the same rotation axis as the third gear 226 and the third gear 226 while having a rotation axis parallel to the second gear 224, and engaged with the elevating member 212. It may include.

Preferably, the first gear 222 coupled to the lever 210 has a fan-shaped cross section, and the number of teeth (cogs) formed in the first gear 222 is greater than the number of teeth formed in the second gear 224 engaged thereto. At least equal to or greater than.

The number of teeth of the first gear 222 is at least greater than the number of teeth of the second gear 224 because the second gear 224 is at least 1 when the first gear 222 rotates according to the operation of the lever 210. This is to allow more than one rotation.

According to the present invention, the third gear 226 has fewer teeth than the second gear 224, so that when the second gear 224 rotates one time, the third gear 226 has a higher rotation speed. Can rotate

On the other hand, the fourth gear 228 has the same rotation axis as the third gear 226, and thus rotates while having the number of revolutions of the third gear 226 for the same time.

For example, when the ratio of the number of teeth of the second gear 224 and the third gear 226 is 2: 1, when the second gear 224 is rotated one time, the third gear 226 is rotated two times, The fourth gear 228 having the same rotation axis as the third gear 226 also rotates two times.

According to the present invention, a tooth is engaged with the fourth gear 228 on one surface of the elevating member 212.

That is, since the rotational motion of the fourth gear 228 is converted to the vertical motion of the elevating member 212, the fourth gear 228 is configured as a pinion, and the elevating member 212 is configured as a rack.

When the gearbox 220 is provided between the lever 210 and the elevating member 212, when the user (doctor) grabs the handle 200 and pulls the lever 210, as shown in FIG. 4. Each gear is rotated, and this rotational movement raises the elevating member 212.

On the other hand, the lever 210 according to the present invention is coupled to elastically returned to the gearbox 220 through a known spring 240 structure. Accordingly, when the user releases the force applied to the lever 210, the lever 210 is returned to its original position, and the gears rotate in the opposite direction as the lifting and lowering according to the return of the initial position of the lever 210, and the blade The lifting member 212 exposed to the outside is also lowered to return to the inside of the blade 202.

On the other hand, as shown in Figure 5, the palatal support plate 214 according to the present invention has a curved shape in consideration of being in close contact with the palate.

Further, an extension member 230 transversely in a predetermined direction of the palate support plate 214 is provided at the lower end of the palate support plate 214, that is, the handle 210 side of the palate support plate 214. 230 is coupled to the end 232 of the elevating member 212.

Preferably, the extension member 230 according to the present invention has a first elliptic cross section (E1), the end 232 of the elevating member 212 coupled to surround it has a second elliptical cross section (E2).

In this case, the second elliptic cross section E2 has a shape to limit the rotation of the first elliptic cross section E1 within a predetermined angle range. For this purpose, the second elliptic cross section E2 and the first elliptic cross section E1 (X2-x1) of the short axis of () may be set larger than the difference (y2-y1) of the long axis.

Through the elliptical cross section, the palate support plate 214 according to the present invention can be stably in close contact with the palate while moving within a predetermined angle range.

At this time, since the palatal support plate 214 according to the present invention has a plate shape can be inserted while replacing the protective film made of silicon, it can solve the hygiene problem of the patient.

In the above description, the lifting member 212 is raised or lowered through the gear box 220 including the lever 210 and the plurality of gears, but according to another embodiment of the present invention, the lever 210 and the plurality of gears are provided. The lifting member 212 may be raised or lowered without including the gears 222 to 228.

6 to 7 is a view showing the lifting means according to another embodiment of the present invention.

First, referring to FIG. 6, a motor 600 driven through a switch may be provided inside the blade 202 according to the present invention, and a circular gear 602 may be connected to a rotation shaft of the motor 600.

The teeth formed on the circular gear 602 may be engaged with the teeth formed on one surface of the elevating member 212.

At this time, the switch for driving the motor may be provided on one surface or the handle side of the blade. When the user turns on the switch, the motor 600 rotates in the first direction to rotate the circular gear 602 in the first direction, and thus the elevating member 212 engaged with the circular gear 602 is raised. The blade 202 is exposed outside.

On the other hand, when the user turns off the switch, the motor 600 rotates in the reverse direction of the first direction (second direction) to allow the lifting member 212 to descend.

Meanwhile, as shown in FIG. 7, the lifting means according to the present invention may include a pump 700, a cylinder 702, and a lifting member 212.

The pump 700 may also be driven through a predetermined switch, and when the switch is turned on, the pump 700 supplies a fluid into the cylinder 702.

At this time, the elevating member 212 according to the present invention has a shape of a cylinder rod, and the elevating member 212 according to the present invention is exposed to the outside of the blade by the fluid supply.

When the switch is turned off, the elevating member 212 returns to the initial position as the fluid exits the inside of the cylinder 702.

Preferred embodiments of the present invention described above are disclosed for purposes of illustration, and those skilled in the art will be able to make various modifications, changes, and additions within the spirit and scope of the present invention. Additions should be considered to be within the scope of the following claims.

1 is a view showing a laryngoscope according to the prior art.

2 is a view showing a laryngoscope in accordance with one preferred embodiment of the present invention.

3 is a view showing a state of use of the laryngoscope according to the present invention.

4 is a view showing a gearbox of a laryngoscope according to the present invention.

5 is a view showing a palatal support plate structure according to the present invention.

6 is a view showing the structure of the lifting means of the laryngoscope in accordance with another preferred embodiment of the present invention.

Figure 7 illustrates the structure of the lifting means of the laryngoscope according to another preferred embodiment of the present invention.

<Description of the symbols for the main parts of the drawings>

200: handle 202: blade

210: lever 212: elevating member

214: palatal support plate 220: gearbox

230: extension member 600: motor

602: gear 700: pump

702: cylinder

Claims (12)

  1. In the laryngoscope,
    handle;
    A blade coupled to one end of the handle;
    A lever extending from one side of the blade to the handle side;
    An elevating member that elevates by operating the lever; And
    Is connected to one end of the elevating member and includes a palatal support plate that is in close contact with the palate of the patient in accordance with the elevation of the elevating member,
    The palatal support plate has a curved shape, the laryngoscope, characterized in that rotatably coupled to the lifting member within a predetermined angle range.
  2. The method of claim 1,
    A laryngoscope further comprising a gearbox coupled to one end of the lever and rotating according to the manipulation of the lever.
  3. The method of claim 1,
    A first gear coupled to one end of the lever and rotating according to the manipulation of the lever;
    A second gear meshing with the first gear;
    A third gear meshing with the second gear; And
    And a fourth gear having the same rotation axis as the third gear and engaged with the teeth formed in the elevating member.
  4. The method of claim 3,
    The first gear has a fan shape, the number of teeth formed in the first gear is equal to or greater than the number of teeth formed in the circumferential direction of the second gear.
  5. 5. The method of claim 4,
    The axis of rotation of the second gear and the third gear are parallel to each other, wherein the third gear has fewer teeth than the second gear.
  6. The method of claim 5,
    The fourth gear has a greater number of teeth than the third gear, and the fourth gear and the elevating member are respectively composed of a pinion and a rack.
  7. delete
  8. The method of claim 7, wherein
    An extension member having a first elliptic cross section is coupled across the lower end of the palatal support plate, and the extension member is coupled to an end of the elevating member having a second elliptic cross section, and the second elliptic cross section is the first ellipse. Laryngoscope, characterized in that it has a shape to limit the rotation of the cross section.
  9. The method of claim 8,
    A laryngoscope, wherein a difference in short axis between the first elliptic cross section and the second elliptic cross section is greater than the difference between the major axes.
  10. The method of claim 1,
    A laryngoscope, wherein one surface of the palatal support plate is covered with a protective film made of silicon.
  11. In the laryngoscope,
    handle;
    A blade coupled to one end of the handle;
    A motor located inside one end of the blade;
    An elevating member that elevates by driving the motor; And
    A laryngoscope, which is connected to one end of the elevating member and comprises a palatal support plate which is in close contact with the palate of the patient according to the elevation of the elevating member.
  12. In the laryngoscope,
    handle;
    A blade coupled to one end of the handle;
    A pump located inside one end of the blade;
    An elevating member for elevating hydraulically by driving the pump; And
    A laryngoscope, which is connected to one end of the elevating member and comprises a palatal support plate which is in close contact with the palate of the patient according to the elevation of the elevating member.
KR1020090049833A 2009-06-05 2009-06-05 Laryngoscope KR101082806B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020090049833A KR101082806B1 (en) 2009-06-05 2009-06-05 Laryngoscope

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020090049833A KR101082806B1 (en) 2009-06-05 2009-06-05 Laryngoscope

Publications (2)

Publication Number Publication Date
KR20100131111A KR20100131111A (en) 2010-12-15
KR101082806B1 true KR101082806B1 (en) 2011-11-11

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170181614A1 (en) * 2015-12-29 2017-06-29 Lennon Keith Bartozzi Intubation Device
KR20190092700A (en) 2018-01-31 2019-08-08 연세대학교 산학협력단 Laryngoscope with tension wire

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5938591A (en) * 1998-06-09 1999-08-17 Minson; Matthew Alan Self retaining laryngoscope
US6251069B1 (en) 1996-11-07 2001-06-26 Spyros Mentzelopoulos Laryngoscope with a flexible blade
US7500948B2 (en) 2003-09-04 2009-03-10 Cantrell Elroy T Dual blade laryngoscope with esophageal obturator

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6251069B1 (en) 1996-11-07 2001-06-26 Spyros Mentzelopoulos Laryngoscope with a flexible blade
US5938591A (en) * 1998-06-09 1999-08-17 Minson; Matthew Alan Self retaining laryngoscope
US7500948B2 (en) 2003-09-04 2009-03-10 Cantrell Elroy T Dual blade laryngoscope with esophageal obturator

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KR20100131111A (en) 2010-12-15

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