KR101528418B1 - Intubation tube - Google Patents

Intubation tube Download PDF

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Publication number
KR101528418B1
KR101528418B1 KR1020140013047A KR20140013047A KR101528418B1 KR 101528418 B1 KR101528418 B1 KR 101528418B1 KR 1020140013047 A KR1020140013047 A KR 1020140013047A KR 20140013047 A KR20140013047 A KR 20140013047A KR 101528418 B1 KR101528418 B1 KR 101528418B1
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KR
South Korea
Prior art keywords
space
tube
fluid flow
tube expanding
fluid
Prior art date
Application number
KR1020140013047A
Other languages
Korean (ko)
Inventor
임재관
윤승주
Original Assignee
고려대학교 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 고려대학교 산학협력단 filed Critical 고려대학교 산학협력단
Priority to KR1020140013047A priority Critical patent/KR101528418B1/en
Application granted granted Critical
Publication of KR101528418B1 publication Critical patent/KR101528418B1/en

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0122—Steering means as part of the catheter or advancing means; Markers for positioning with fluid drive by external fluid in an open fluid circuit
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/06—Body-piercing guide needles or the like
    • A61M25/0662—Guide tubes

Abstract

The invention relates to a body-insertable conduit comprising: a tube expansion unit which has a tube shaped cross section and in which a fluid flow space and a tube expansion space are separated by the tube shaped cross section wherein the tube expansion is formed to surround an outer side of the fluid flow space; and an insertion guide unit installed in an outer side of the tube expansion unit along a direction of a body insertion and keeping the tube expansion unit arranged in the direction of a body insertion wherein the conduit is inserted into a body in a state that a diameter of the conduit is reduced by the tube expansion space which is contracted and the diameter of the conduit is enlarged by expansion of the tube expansion wherein the expansion is made by flowing the fluid to the tube expansion space, and the fluid flows to the body from the fluid flow space or the fluid flows to the fluid flow space from the body. Accordingly, the conduit is inserted into the body in a state that the tube expansion unit is contracted and the original diameter of the conduit is formed by expansion of the tube expansion unit after the insertion, thereby relieving a patient′s pain generated when the conduit is inserted into the body.

Description

{INTUBATION TUBE}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a catheter for inserting a body, and more particularly, to a catheter for inserting a body which can alleviate a patient's pain caused when the body is inserted.

In general, a catheter for insertion into the body is used for medical purposes and refers to all means directly inserted into the body. It is used for various purposes such as blood vessel insertion, urethra insertion, airway insertion, laparoscopic surgery, And a conduit for insertion.

FIG. 1 is a view showing an example of a conventional urea tube for inserting the urethra, and FIG. 2 is a view showing an example of a Levin tube inserted into the body through the nose among the airway insertion conduits .

In the case of a catheter, it is inserted into the body through a human urethra, and is used to induce the urine excretion due to the urination phenomenon of the patient during anesthesia surgery or to assist the urination of the urinary incontinence patient. On the other hand, in the case of the Levin tube, it is inserted into the body through the nose or mouth and injected into the body to assist the patient's breathing.

Thus, a body-insertable conduit is used for discharging a body fluid (gas or liquid) out of the body or for injecting a fluid such as a drug or oxygen into the body.

However, the diameter of the insertion tube for the body is generally larger than the diameter of the tube inside the body, for example, the urethra into which the insertion tube is inserted, which causes considerable pain to the patient when inserted into the body have.

For this purpose, it is necessary to apply a lubricant such as a gel when inserting a body-insertable conduit into the body, but it is difficult to prevent the pain caused by friction due to the expansion and expansion of the tube inside the body caused by the diameter of the body- There is still a problem in that it can not be removed and still entails the suffering of the patient.

Accordingly, it is an object of the present invention to provide a catheter for inserting a body, which can alleviate a patient's pain caused when the body is inserted.

According to the present invention, there is provided a conduit for insertion into a body, comprising: a tube expanding part provided in a tube shape in cross section and separating a fluid flow space formed therein and a tube expansion space enclosing an outer periphery of the fluid flow space; And an insertion guide portion provided on the outer side of the body along the inserting direction of the body to maintain the shape of the tube expanding portion in the inserting direction of the body; The tube expanding space expands and the diameter enlarges as the fluid is introduced into the tube expanding space after the tube expanding space is contracted and the diameter thereof is reduced and inserted into the body; Characterized in that the fluid flows from the body into the body through the fluid flow space.

Here, the end of the tube expanding portion in the body insertion direction is provided so that the fluid flow space is closed; A communicating hole communicating with the fluid flow space and the outside of the tube expanding portion is formed in the radial direction from the inner diameter of the tube expanding portion in the vicinity of the edge in the insertion direction of the tube expanding portion; And fluid can flow from the fluid flow space into the fluid flow space through the communication hole.

According to another aspect of the present invention, there is provided a conduit for insertion into a body, the conduit having a tube shape in cross section and having a tube expanding part for separating an insertion space formed therein and a tube expansion space surrounding the outer space of the insertion space, And an insertion guide portion provided in a tubular shape having a fluid flow space formed therein and having an outer diameter attached to an inner diameter of the insertion space of the tube expanding portion to maintain the shape of the tube expanding portion in a body insertion direction; The tube expanding space expands and the diameter enlarges as the fluid is introduced into the tube expanding space after the tube expanding space is contracted and the diameter thereof is reduced and inserted into the body; And a fluid is flowed into the body through the fluid flow space or a fluid from the body flows through the body.

Here, the distal end of the insertion guide portion in the body insertion direction is provided so that the fluid flow space is closed; A first communication hole is formed in the vicinity of an edge of the insertion guide portion in the body insertion direction so as to communicate the inside of the fluid flow space and the outside of the insertion guide portion; A second communication hole communicating with the first communication hole is formed in the tube expanding portion in a radial direction from the inner diameter of the tube expanding portion so that the fluid flowing space communicates with the outside of the tube expanding portion; Fluid from the fluid flow space through the first communication port and the second communication port may flow into the fluid flow space from or into the body.

According to the present invention, according to the present invention, in the process of inserting the insertion tube for the body, the tube expansion part is inserted in a contracted state and the original diameter of the insertion tube for insertion is formed in accordance with the expansion of the tube expansion part after insertion, There is provided a conduit for insertion into the body that can alleviate the patient's pain caused when the body is inserted.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view showing an example of a conventional Foley tube for introducing a urethra into a urethra;
2 is a view showing an example of a Levin tube inserted into the body through the nose among the airway insertion conduits,
3 is a perspective view of a body-insertable conduit according to the first embodiment of the present invention,
4 is a cross-sectional view of a body-insertable conduit according to a second embodiment of the present invention,
5 is a cross-sectional view of a body-insertable conduit according to a second embodiment of the present invention,
6 is a view for explaining a structure of a body-insertable conduit according to a second embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

First Embodiment

FIG. 3 is a perspective view of a body-insertable conduit 100 according to a first embodiment of the present invention, and FIG. 4 is a cross-sectional view of a body-insertable conduit 100 according to a second embodiment of the present invention. 3 and 4 illustrate that the body-insertable conduit 100 according to the first embodiment has a form of a urethral insertion conduit.

3 and 4, a body-insertable conduit 100 according to a first embodiment of the present invention includes a tube expanding portion 120 and an insertion guide portion 110.

As shown in FIG. 4, the tube expanding portion 120 is formed in a tube shape in cross section, and a fluid flowing space 131 is formed in the tube expanding portion 120 according to the shape of the tube, A tube expansion space 132 is formed. Here, the fluid flow space 131 and the tube expansion space 132 form a physically separated space that is not in communication with each other.

In this case, when the fluid such as air or saline flows into the tube expansion space 132, the tube expansion unit 120 expands as shown in FIG. 4 (b), and the fluid in the tube expansion space 132 is removed , It is made of a flexible material which can be contracted as shown in FIG. 4 (a), for example, a medical silicone material or a medical rubber material.

The insertion guide portion 110 is provided outside the tube expanding portion 120 along the body insertion direction. Here, the insertion guide portion 110 maintains the shape of the tube expanding portion 120 in the body insertion direction.

For example, the insertion guide unit 110 may be made of a soft material such as a medical silicone material, a medical rubber material, or the like so that when the insertion tube 100 according to the present invention is inserted into the body, the tube expanding unit 120 is folded So that it can be inserted along a tube, for example, the urethra in the body while maintaining the shape in the body insertion direction.

According to the above configuration, when inserting the conduit 100 for insertion into the body according to the present invention, the fluid in the tube expansion space 132 of the tube expanding portion 120 is removed, The tube expansion space 132 is contracted and the outer diameter of the tube expansion space 132 is reduced. Accordingly, by inserting the insertion tube 100 according to the present invention into the tube in the body with the diameter reduced, the pain applied to the patient can be minimized.

When a fluid such as air or saline is introduced into the tube expansion space 132 of the tube expansion part 120 after the insertion of the body insertion conduit 100 according to the present invention is completed in the body tube, The space 132 expands to enlarge the diameter of the insertion tube 100 according to the present invention to have the original desired shape.

When the tube expansion space 132 is expanded as described above, the fluid flow space 131 of the tube expansion part 120 is also expanded in the tube expansion space 132 as shown in FIG. 4 (b) The fluid from the body can flow through the fluid flow space 131 or can introduce oxygen or other drugs into the body through the fluid flow space 131 from the outside.

In the present invention, as shown in FIG. 4, the end in the insertion direction of the tube expanding portion 120 is exemplified as being closed so that the fluid flowing space 131 is closed. The communication hole 133 is formed in the vicinity of the edge of the tube expanding portion 120 in the body insertion direction so that fluid from the fluid flowing space 131 through the communication hole 133 flows into the body or fluid Is provided to flow into the fluid flow space 131 as an example.

The communication hole 133 communicates with the fluid flow space 131 and the outside of the tube expanding part 120. By forming the tube shape so as to form a hole when the tube expanding part 120 is manufactured, A communication hole may be formed when the space 132 is expanded.

Second Embodiment

FIG. 5 is a sectional view of a body-insertable conduit 100a according to a second embodiment of the present invention, and FIG. 6 is a view for explaining a structure of a body-insertable conduit 100a according to a second embodiment of the present invention . Like the first embodiment, the body-insertable conduit 100a according to the second embodiment of the present invention has a form of a urethral insertion conduit.

Referring to FIGS. 5 and 6, a body-insertable conduit 100a according to a second embodiment of the present invention includes a tube expanding portion 120a and an insertion guide portion 110a.

As shown in FIG. 6, the tube expanding portion 120a is formed in a tube shape in cross section. The tube expanding portion 120a has an insertion space 134a formed therein and an outer space of the insertion space 134a A tube expansion space 132a is formed. Here, the insertion space 134a and the tube expansion space 132a form a physically separated space that is not in communication with each other.

As in the first embodiment, when a fluid such as air or saline flows into the tube expansion space 132a, the tube expansion part 120a expands as shown in FIG. 5 (a), and the inside of the tube expansion space 132a Is formed of a flexible material that can be contracted as shown in Fig.

As shown in Fig. 6 (a), the insertion guide portion 110a has a tubular shape in which a fluid flow space 131a is formed therein. 5, the outer diameter of the insertion guide portion 110a is attached to the inner diameter of the insertion space 134a of the tube expanding portion 120a. Here, the insertion guide portion 110a maintains the formation of the tube expanding portion 120a in the body insertion direction.

For example, the insertion guide portion 110a may be made of a material having flexibility such as silicone, so that when the insertion tube 100a according to the present invention is inserted into the body, the tube expanding portion 120a is inserted in the body insertion direction But also has ductility so that it can be inserted along a tube in the body, for example, the urethra.

According to the above-described configuration, when inserting the insertion tube 100a according to the second embodiment of the present invention into the body, the fluid in the tube expansion space 132a of the tube expansion portion 120a is removed, 5 (a), the tube expansion space 132a is contracted and inserted into the tube in the body with its outer diameter reduced. Therefore, by inserting the insertion tube 100a for insertion into the body according to the present invention in a reduced diameter state, the pain applied to the patient can be minimized.

After the insertion of the body-insertable conduit 100a according to the second embodiment of the present invention is completed in the body, a fluid such as air or saline is introduced into the tube expansion space 132a of the tube expanding portion 120a The tube expansion space 132a expands to enlarge the diameter of the body insertion conduit 100a to have the original desired shape.

When the tube expansion space 132a is in the inflated state as described above, fluid flows from the body through the fluid flow space 131a of the insertion guide portion 110a or oxygen flows through the fluid flow space 131a from the outside And other drugs can be introduced into the body.

In the present invention, as shown in FIGS. 5 and 6, the end of the insertion guide portion 110a forming the fluid flow space 131a is formed to close the fluid flow space 131a.

Here, as shown in Fig. 6 (a), the inside of the fluid flow space 131a and the outside of the insertion guide portion 110a are communicated with each other near the edge of the insertion guide portion 110a in the body insertion direction A first communication hole 133b may be formed.

6 (a), the tube expanding portion 120a is communicated with the first communication opening 133b so that the fluid flowing space 131a and the outside of the tube expanding portion 120a are communicated with each other The second communication hole 133c may be formed in the radial direction from the inner diameter of the tube expanding portion 120a.

The first communication hole 133b and the second communication hole 133c form a communication hole 133a corresponding to the communication hole 133 according to the first embodiment of the present invention, The fluid from the fluid flow space 131a or the fluid from the body can flow into the fluid flow space 131a through the first communication port 133b and the second communication port 133c.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be clear to those who have knowledge.

100: Internal body conduit 110, 110a: Insertion guide part
120, 120a: tube expansion part 131, 131a: fluid flowing space
132, 132a: tube expansion space 133, 133a:
133b: first communication hole 133c: second communication hole
134a: Insertion space

Claims (4)

In a body-insertable conduit,
A tube expanding part provided in a tube shape in cross section and separating a fluid flow space formed therein and a tube expansion space enclosing an outer periphery of the fluid flow space;
And an insertion guide portion provided on the outer side of the tube expanding portion along an inserting direction in the body to maintain the shape of the tube expanding portion in the inserting direction of the body;
The tube expanding space expands and the diameter enlarges as the fluid is introduced into the tube expanding space after the tube expanding space is contracted and the diameter thereof is reduced and inserted into the body;
Wherein the fluid flows into or through the body through the fluid flow space.
The method according to claim 1,
The end of the tube expanding portion in the body insertion direction is provided so that the fluid flow space is closed;
A communicating hole communicating with the fluid flow space and the outside of the tube expanding portion is formed in the radial direction from the inner diameter of the tube expanding portion in the vicinity of the edge in the insertion direction of the tube expanding portion;
Wherein fluid from the fluid flow space into the body or from the body flows into the fluid flow space through the communication port.
In a body-insertable conduit,
A tube expanding part provided in a tube shape in cross section and separating an insertion space formed therein and a tube expansion space enclosing an outer periphery of the insertion space;
And an insertion guide portion provided in a tubular shape having a fluid flow space formed therein and having an outer diameter attached to an inner diameter of the insertion space of the tube expanding portion to maintain the shape of the tube expanding portion in a body insertion direction;
The tube expanding space expands and the diameter enlarges as the fluid is introduced into the tube expanding space after the tube expanding space is contracted and the diameter thereof is reduced and inserted into the body;
Wherein the fluid flows into or through the body through the fluid flow space.
The method according to claim 1,
An end of the insertion guide portion in the body insertion direction is provided so that the fluid flow space is closed;
A first communication hole is formed in the vicinity of an edge of the insertion guide portion in the body insertion direction so as to communicate the inside of the fluid flow space and the outside of the insertion guide portion;
A second communication hole communicating with the first communication hole is formed in the tube expanding portion in a radial direction from the inner diameter of the tube expanding portion so that the fluid flowing space communicates with the outside of the tube expanding portion;
Wherein fluid from the fluid flow space through the first communication port and the second communication port flows into the fluid flow space from or into the body.
KR1020140013047A 2014-02-05 2014-02-05 Intubation tube KR101528418B1 (en)

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KR1020140013047A KR101528418B1 (en) 2014-02-05 2014-02-05 Intubation tube

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101695452B1 (en) * 2015-07-08 2017-01-12 (주)더블유앤지 Check valve for medical tube
KR20180093401A (en) 2017-02-13 2018-08-22 연세대학교 산학협력단 Tube for endotracheal intubation with levin tube insertion guider
KR20220130285A (en) * 2021-03-17 2022-09-27 린 테크놀로지스 인코포레이티드 Electrode module assembly inserted into the nasal cavity for neural sensing and imaging
WO2024058594A1 (en) * 2022-09-16 2024-03-21 린 테크놀로지스 인코포레이티드 Nasal cavity insertion-type electrode device for nerve detection and image capturing

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06339530A (en) * 1993-01-19 1994-12-13 Datascope Investment Corp Single luminal type wire loaded iab catheter
JPH0847539A (en) * 1994-08-08 1996-02-20 Nippon Zeon Co Ltd Sliding catheter
KR20070094536A (en) * 2006-03-17 2007-09-20 코비디엔 아게 Medical tube

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06339530A (en) * 1993-01-19 1994-12-13 Datascope Investment Corp Single luminal type wire loaded iab catheter
JPH0847539A (en) * 1994-08-08 1996-02-20 Nippon Zeon Co Ltd Sliding catheter
KR20070094536A (en) * 2006-03-17 2007-09-20 코비디엔 아게 Medical tube

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101695452B1 (en) * 2015-07-08 2017-01-12 (주)더블유앤지 Check valve for medical tube
KR20180093401A (en) 2017-02-13 2018-08-22 연세대학교 산학협력단 Tube for endotracheal intubation with levin tube insertion guider
KR20220130285A (en) * 2021-03-17 2022-09-27 린 테크놀로지스 인코포레이티드 Electrode module assembly inserted into the nasal cavity for neural sensing and imaging
KR102499241B1 (en) 2021-03-17 2023-02-13 린 테크놀로지스 인코포레이티드 Electrode module assembly inserted into the nasal cavity for neural sensing and imaging
WO2024058594A1 (en) * 2022-09-16 2024-03-21 린 테크놀로지스 인코포레이티드 Nasal cavity insertion-type electrode device for nerve detection and image capturing

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