CN-121971299-A - Medical hose and medical hose position confirmation system

Abstract

The invention provides a medical hose, which can easily confirm the position of the front end of the medical hose from outside the body regardless of the direction of the front end of the medical hose inserted into the body of a patient. The medical hose has a tubular main body, at least one opening formed in a side surface of the main body, and a light transmitting portion for transmitting light from a light source, the light transmitting portion being formed at one end of the main body and having a hemispherical surface shape.

Inventors

• MIIKE SHINYA
• HARUKI YUTAKA

Assignees

• 大冢临床服务株式会社
• 株式会社PAX
• 株式会社大塚制药工场

Dates

Publication Date

20260505

Application Date

20210908

Priority Date

20200909

Claims (9)

1. 1. A medical hose, comprising: A body portion which is hollow and tubular and is formed so as to conduct light from the light source by itself; at least one opening formed in a side surface of the main body, and And a light transmitting portion formed at one end of the main body portion and having a hemispherical surface shape for emitting the light.
2. 2. A medical hose according to claim 1, wherein, In the main body, a light guide for transmitting light from the light source to the light transmitting portion may be inserted into the main body.
3. 3. A medical hose according to claim 1, wherein, The device further comprises: a first reflecting layer disposed over an inner peripheral surface of the main body, A second reflecting layer disposed over the outer peripheral surface of the main body portion, and A third reflective layer disposed across a side of the at least one opening, The body portion has light transmittance.
4. 4. A medical hose according to claim 3, wherein, The first, second, and third reflective layers are the same material.
5. 5. A medical hose according to claim 3 or 4, wherein, The shape of the opening portion located at the farthest position from the one end side is a shape that is wider as it is closer to the one end side.
6. 6. A medical hose according to claim 5, wherein, The shape of the opening is triangle.
7. 7. A medical hose according to claim 6, wherein, The triangle is an isosceles triangle, and the vertex angle is smaller than 90 degrees.
8. 8. A medical hose according to any one of claims 1 to 4, wherein, The main body portion and the light-transmitting portion are formed of an elastomer.
9. 9. A medical hose position confirmation system has a light source and a medical hose, The medical hose has a main body portion which is hollow and tubular and is formed to conduct light from the light source by itself, at least one opening portion which is formed at a side surface of the main body portion, and a light transmitting portion which is formed at one end of the main body portion and has a hemispherical surface shape for emitting the light.

Description

Medical hose and medical hose position confirmation system The application is a divisional application of an application patent application with the application date of 2021, 9 months and 8 days, the application number of 202180061937.8 and the name of a medical hose and a medical hose position confirmation system. The priority of japanese prior application JP2020-151167 is claimed, with priority date being 9/2020. Technical Field The present invention relates to a medical hose and a medical hose position confirmation system. Background For patients with difficulty in oral intake of nutrients and the like, the nutrient and the like are directly supplied to the stomach by a technique called nasal feeding. Specifically, a medical tube is inserted from a nostril of a patient, and the distal end portion thereof is passed through the esophagus to reach the stomach. Thereafter, a nutrient or the like is injected from the proximal end portion of the medical tube located outside the body. Among them, a technique is known in which it is confirmed that the distal end portion of the medical tube has reached the stomach through the esophagus. For example, patent document 1 discloses a catheter device including a catheter for insertion into a body, a light source unit including a laser diode that emits visible red light, and an optical fiber that transmits the visible red light emitted from the light source unit to the vicinity of the distal end portion of the catheter. With this configuration, when the catheter is inserted into the stomach of a patient, the light emitted in the vicinity of the distal end portion of the catheter can be seen from outside the body, and the position of the distal end portion of the catheter can be confirmed from outside the body. Prior art literature Patent literature Patent document 1 Japanese patent laid-open publication 2016-087091 Disclosure of Invention First, the technical problem to be solved However, in the catheter device described in patent document 1, it may be difficult to see light emitted from the distal end of the optical fiber from outside the body. Specifically, if the front end of the optical fiber is not directed toward the abdomen side of the patient in the stomach of the patient, it is difficult to see light from outside the body. In addition, it is difficult to perform an operation of orienting the distal end of the optical fiber toward the abdomen side of the patient in the stomach. The present invention aims to provide a medical hose which can easily confirm the position of a front end in a patient from outside the body regardless of the orientation of the front end. (II) technical scheme In order to achieve the above object, the present invention provides a medical hose comprising a tubular main body, at least one opening formed in a side surface of the main body, and a light transmitting portion for transmitting light from a light source, the light transmitting portion being formed at one end of the main body and having a hemispherical surface shape. Other features of the present invention will be apparent from the following description and drawings. (III) beneficial effects According to the present invention, it is possible to provide a medical tube in which the position of the distal end portion of the medical tube can be easily checked from outside the body regardless of the orientation of the distal end portion of the medical tube inserted into the patient. Drawings Fig. 1 is a diagram illustrating an overall configuration of a medical hose position check system according to a first embodiment. Fig. 2 is a diagram illustrating a structure in the vicinity of the distal end portion of the medical hose according to the first embodiment. Fig. 3 is a diagram illustrating a structure in the vicinity of the distal end portion of the medical hose according to the first embodiment. Fig. 4 is a diagram illustrating a structure in the vicinity of the distal end portion of the medical hose according to the first embodiment. Fig. 5 is a diagram illustrating an overall configuration of the medical tube position check system according to the second embodiment. Fig. 6 is a diagram illustrating a structure in the vicinity of the distal end portion of the medical hose according to the second embodiment. Fig. 7 is a view for explaining the structure of the medical hose according to the second embodiment in the vicinity of the distal end portion and the proximal end portion. Fig. 8 is a diagram illustrating a structure in the vicinity of the distal end portion of the medical hose according to the second embodiment. Fig. 9 is a diagram illustrating a structure in the vicinity of the distal end portion of the medical hose according to the modification. Fig. 10 is a diagram illustrating a structure in the vicinity of the distal end portion of the medical hose according to the modification. Fig. 11 is a diagram illustrating a structure in the vicinity of the distal end portion of the