TWM553989U - Device for detecting inner body position of inner body tube - Google Patents

Abstract

The present invention is a device for detecting the position of a body of a body tube, comprising at least: a hollow tube body having an inlet end and an outlet end; and a sounding unit capable of generating a first sound wave at the inlet end An inductor is capable of receiving a second sound wave; a processing device is coupled to the sensor signal and coupled to the sounding unit signal. The present invention transmits the first sound wave to the hollow tube through the sounding unit, and after receiving the second sound wave through the sensor, it can be determined whether the position of the outlet end of the hollow tube body has moved, so as to quickly Instantly know if there is a change in the location of the exit. Moreover, this creation does not have the risk of damage to the body wall of the human body by the conventional detecting device, thereby reducing discomfort and injury to the human body.

Description

Device for detecting internal position of body tube

The present invention relates to a detecting device, and more particularly to a detecting device for instantly sensing the position of a body tube in a body position in a human body.

According to FIG. 1 , it is conventionally used to introduce a tube 10 (for example, a nasogastric tube or a gas-cut tube) into a human body. When the tube 10 is inserted into the body at a predetermined position, in order to ensure The tube body 10 is not unintentionally moved, so that a front end of the tube body 10 is adhered to the bridge of the nose by a fixing device 12 (for example, a tape) on the outside of the tube body 10 to prevent the tube body 10 from being unexpected. The movement. However, the fixing device 12 can only be fixed to the front end of the tube body 10 outside the body. In order to determine whether the position of the tube body 10 in the body is still maintained at the predetermined position, a photograph is placed on the outer side of the end of the tube body 10. The lens 11 discriminates and confirms whether or not the position of the tube body 10 in the body changes through the image of the photographing lens 11. In addition, there is also a way to confirm the position of the tube 10 in the body using an X-ray photography.

However, the photographic lens 11 is used to confirm the position of the end of the tubular body 10. Since the photographic lens 11 is attached to the outer side of the end of the tubular body 10, the photographic lens 11 may in turn harm the wall of the organ in the human body; for example; When the tube 10 is a nasogastric tube, the photographic lens 11 is attached to the outside of the end of the nasogastric tube, so that the photographic lens 11 has a risk of scratching the esophagus and the stomach wall. In the X-ray photography mode, the human body needs to be moved to an X-ray room for detection, so the human body has the risk of being exposed to the radiation; and, the time required to wait for the X-ray imaging is too long, so it is impossible to It is judged whether or not the end of the pipe body 10 is at the predetermined position. A more serious situation is that if the tube 10 is accidentally inserted into another organ or inserted into an organ to cause damage to the organ and cannot be found in time, it will cause a tragedy.

Therefore, if the detecting device does not have the risk of injuring the wall of the organ in the human body and there is no risk of radiation damage, and can detect whether the tube 10 has been displaced from the predetermined position at any time and can be disposed in time, then It can reduce discomfort and injury to the human body.

In view of the above-mentioned traditional methods, the creator still has many defects in the implementation. Therefore, it is a tireless spirit, and it is improved by the rich professional knowledge and years of practical experience, and the research is based on this. creation.

The main purpose of the present invention is to provide a detection device for the internal position of a body tube with safe and rapid instant detection, which comprises at least: a hollow tube body having an inlet end and an outlet end; a sounding unit The sensor can be disposed at the outlet end; a sensor can be disposed at the outlet end; a processing device is coupled to the sensor signal and connected to the sounding unit signal.

Or the detecting device of the internal position of the body tube, comprising: the hollow tube body comprising the inlet end and the outlet end; the sounding unit is capable of generating a first sound wave at the inlet end; The sensor is capable of receiving a second sound wave; the processing device is connected to the sensor signal and connected to the sounding unit signal.

According to the above technical feature, the detecting device for the internal position of the body tube further comprises a display unit, and the display unit is connected to the processing device signal.

According to the above technical feature, the processing device is connected to the sensor signal by means of a wired signal connection or by a wireless signal connection.

According to the above technical feature, the processing device is connected to the sounding unit signal by means of a wired signal connection or a wireless signal connection.

According to the above technical feature, the hollow tube system is a nasogastric tube.

According to the above technical feature, the hollow tube system is a gas cutting tube.

According to the above technical feature, the hollow tube system is a catheter.

According to the above technical feature, the sensor is an acoustic wave sensor.

According to the above technical feature, the sensor is a microphone or a stethoscope.

According to the above technical feature, the sensor is a stethoscope, and the stethoscope comprises a micro microphone and a wireless transmitter. The micro microphone is electrically connected to the wireless transmitter, and the stethoscope is transmitted through the wireless transmitter. The processing device is connected by a signal.

According to the above technical feature, the sensor is the stethoscope, the stethoscope is the micro-microphone, and the stethoscope is externally connected to the wireless transmitter, the micro-microphone is electrically connected to the wireless transmitter, and the stethoscope is transmitted through The wireless transmitter is coupled to the processing device signal.

According to the above technical feature, the display unit is connected to a screen on the processing device.

According to the above technical feature, the display unit is a smart platform interface or a remote computer, and the smart platform interface is, for example, a mobile phone or a tablet computer.

The creative system transmits the first sound wave to the hollow tube body through the sounding unit, and statically receives the second sound wave through the sensor to determine whether the position of the outlet end of the hollow tube body has moved. To quickly and instantaneously know whether there is a change in the position of the outlet end; of course, the sensor system can also dynamically move to quickly find the position after the exit end moves.

In order to understand the technical characteristics, content and advantages of the creation and the effects that can be achieved by the examiner, the author will use the drawings in detail and explain the following in the form of the examples, and the drawings used therein The subject matter is only for the purpose of illustration and supplementary instructions. It is not necessarily the true proportion and precise configuration after the implementation of the original creation. Therefore, the proportions and configuration relationships of the attached drawings should not be interpreted or limited in the actual implementation scope. First described.

Please also refer to Figures 2 to 6 at the same time. The detection device for the internal position of the body tube of the present invention includes:

A hollow tubular body 20 includes an inlet end 21 and an outlet end 22, and the outlet end 22 can be disposed in a body (not shown) and the inlet end 21 can be disposed outside the body In this embodiment, it is a nasogastric tube, which may of course be a gas-cut tube or a catheter; the inlet end 21 is usually the front end of the hollow tube body 20, and the outlet end 22 is generally the middle The end of the empty tube body 20.

a sounding unit 30 capable of generating a first acoustic wave A at the inlet end 21 of the hollow tubular body 20, and a hollow region 201 and a tube wall inside the hollow tubular body 20 202 is passed to the exit end 22.

An inductor 40, the first acoustic wave A can be transmitted from the outlet end 22 to the inductor 40 to form a second acoustic wave B, and the inductor 40 can receive the second acoustic wave B outside the human body. The sensor 40 is an acoustic wave sensor. In the embodiment, the sensor 40 is a microphone or a stethoscope.

a processing device 50 is connected to the sensor 40 and connected to the sounding unit 30. The processing device 50 is capable of receiving the sensor 40 in a wired signal connection or in a wireless signal connection manner. The second sound wave B, the processing device 50 can receive the first sound wave A of the sounding unit 30 in a wired signal connection manner or in a wireless signal connection manner; in the embodiment of FIG. 2, the processing device 50 is wired. The signal connection is connected to the sensor 40. The processing device 50 is connected to the sounding unit 30 by means of a wired signal connection. The processing device 50 includes a storage unit 51 and a conversion unit 52. The storage unit 51 and The conversion unit 52 is electrically connected, and the storage unit 51 is configured to store the second acoustic wave B and the first acoustic wave A, and the conversion unit 52 is capable of converting the first acoustic wave A and the second acoustic wave B into a waveform diagram. The processing device 50 can be an oscilloscope; in the embodiment where the sensor 40 is the stethoscope, the stethoscope includes a miniature microphone (not shown) and a wireless transmitter (not shown) The micro-microphone is electrically connected to the wireless transmitter, and the stethoscope is connected to the processing device 50 through the wireless transmitter; or the stethoscope is the micro-microphone, and the stethoscope is externally connected to the wireless transmitter The micro-microphone is electrically connected to the wireless transmitter, and the stethoscope is connected to the processing device 50 through the wireless transmitter.

A display unit 60 is connected to the conversion unit 52 and can display the waveform signal as a waveform W. The display unit 60 is connected to the processing device 50. The display unit 60 is a mobile phone or a remote computer. The waveform graphic signal of the conversion unit 52 can be transmitted to the mobile phone or the remote computer through the network cloud for viewing or analysis. .

In order to further understand the characteristics of this creation, the use of the means of technology and the expected results, I will use the way of the creation of this creation, I believe that you can have a deeper and more specific understanding of this creation, as follows:

Please refer to Figure 5 and Figure 6 for the steps of obtaining a reference waveform:

The step S1 is: inserting the hollow tube body 20 into a predetermined position S in the body of the human body. In the embodiment, the hollow tube body 20 is a nasogastric tube. In this embodiment, the nasogastric tube is from the nasal cavity. Inserted into the predetermined position S of the stomach.

Pronunciation and transmission step S2: the first acoustic wave A is generated by the sounding unit 30 at the inlet end 21 of the hollow tubular body 20, and the hollow region 201 inside the hollow tubular body 20 and the middle thereof The tube wall 202 of the empty tube body 20 is transmitted to the outlet end 22, and the first acoustic wave A is transmitted from the outlet end 22 to the inductor 40 to form the second acoustic wave B; the inductor 40 is applied to the human body Searching for the detection position P of the second strongest wave B and fixing the sensor 40 to the detection position P. In the embodiment, the sensor 40 is a stethoscope or a microphone, and the stethoscope or the microphone is closely attached to The skin outside the abdominal cavity is searched for the detection position P which is the strongest of the second sound wave B outside the abdominal cavity, and then the detection position P is marked or recorded in any manner, for example, the black ink is marked at the detection position P outside the abdominal cavity. Then attach the stethoscope or microphone to the detection position P with tape.

The reference waveform is obtained in step S3: the sounding unit 30 transmits the first sound wave A to the storage unit 51 and the conversion unit 52 of the processing device 50 through a signal connection, and the sensor 40 is statically located at the detection position P. And transmitting the second sound wave B to the storage unit 51 and the conversion unit 52 of the processing device 50, and then the converting unit 52 converts the first sound wave A and the second sound wave B into the waveform graphic signal. The waveform display signal of the predetermined position S is displayed on the display unit 60 to form the waveform W. The waveform W is the reference waveform. The storage unit 51 stores the waveform graphic signal.

As shown in FIG. 6, the reference waveform includes the waveform of the first acoustic wave A and the waveform of the second acoustic wave B. The horizontal axis of Fig. 6 is time, the vertical axis is vibration, and the second adjacent to A second acoustic wave valley B1 time value of the waveform of the acoustic wave B is subtracted from a first acoustic wave valley A1 time value of the waveform of the first acoustic wave A, that is, a predetermined delay time T1.

Referring to Figures 7 and 8, the outlet end 22 of the hollow tubular body 20 may be moved from the predetermined position S in the body of the human body to the human body due to various unexpected or unpredictable factors. An offset position D in the body; at this time, at a predetermined time interval or when it is desired to detect whether the outlet end 22 is moving, the sounding unit 30 is at the inlet end 21 of the hollow tubular body 20 The first acoustic wave A is also transmitted to the outlet end 22 by the hollow region 201 inside the hollow tubular body 20 and the tubular wall 202 of the hollow tubular body 20, the first acoustic wave A An offset acoustic wave C is formed from the outlet end 22 to the inductor 40; the sensor 40 transmits the offset acoustic wave C to the storage unit 51 and the conversion unit 52 of the processing device 50, and then The converting unit 52 is taken from the first sound wave A and the second sound wave B in the storage unit 51 and combined with the offset sound wave C to be converted into the waveform graphic signal, and then displayed on the display unit 60 to include the partial sound wave. The waveform W of the offset sound wave C of the position D is shifted, and the waveform W is an offset comparison waveform.

As shown in FIG. 8, the offset comparison waveform includes a waveform of the first acoustic wave A, a waveform of the second acoustic wave B, and a waveform of the offset acoustic wave C. The horizontal axis of Fig. 8 is time, and the vertical axis is The second acoustic wave valley B1 time value of the waveform of the second acoustic wave B is subtracted from the first acoustic wave valley A1 time value of the waveform of the first acoustic wave A, that is, the predetermined delay time T1; The time value of the first acoustic wave trough A1 of the waveform of the first acoustic wave A is subtracted from an offset acoustic wave trough C1 time value of the waveform of the adjacent acoustic sound wave C, that is, an offset delay time T2.

When the value obtained by subtracting the predetermined delay time T1 from the offset delay time T2 is greater than or equal to a certain threshold, it means that the offset position D is far from the predetermined position S and reaches a dangerous degree or an unacceptable degree; Therefore, the detecting device of the internal position of the body tube will issue a warning, for example, in the embodiment where the display unit 60 is the mobile phone or the remote computer, the warning sound will be issued on the mobile phone or the remote computer. Or the warning image is displayed on the screen of the mobile phone or the remote computer, so the processing can be immediately performed and it is decided whether to move the outlet end 22 to the proper position. Of course, even if the value obtained by subtracting the predetermined delay time T1 from the offset delay time T2 is less than the specific threshold value, it is possible to manually determine whether to move the outlet end 22 to an appropriate position. It is particularly worth mentioning that the value obtained by subtracting the offset delay time T2 from the predetermined delay time T1, and then multiplying by the propagation speed of the sound, can calculate approximately one of the offset position D and the predetermined position S. The distance, that is, it can be determined that the outlet end 22 is substantially in the sphere range in which the predetermined position S is the center of the sphere and the distance is a radius. Therefore, the present invention has the effect of promptly detecting the outlet end 22 of the hollow tubular body 20 in a timely manner.

When it is found that the outlet end 22 has left the predetermined position S according to the above operation mode, and it is desired to determine the position of the outlet end 22 corresponding to the outside of the human body, the sensor can be dynamically moved as shown in FIG. 40 to the strongest point of the offset sound wave C and marked as an actual position P1. In the embodiment, the sensor 40 is a stethoscope or a microphone, and the stethoscope or the microphone is closely attached to the skin outside the abdominal cavity to find the outer side of the abdominal cavity. The actual position P1 at which the acoustic wave C is strongest is then marked or recorded in any manner to the actual position P1, for example, the black ink is drawn at the actual position P1 outside the abdominal cavity.

The creation does not need to mount a photographic lens on the outer side of the hollow tube body, so there is no risk of harming the wall surface of the organ in the human body; when the creation is to confirm the position of the hollow tube body, only the sounding unit needs to be The sound signal is generated and dynamically moved by the sensor for detecting the sound signal, and the processing device performs the comparison of the strength of the sound signal to know the position of the end of the hollow tube; therefore, the creation is safe and rapid. Instantly detect the efficacy of the end of the hollow tube.

In summary, when Zhiben's creation has industrial applicability and progress, and this creation is not found in any publication, it is also novel. When it meets the requirements of the Patent Law, it proposes a new type of patent application according to law. The quasi-patent is a prayer.

Only the above-mentioned ones are only one of the feasible embodiments of this creation. When it is not possible to limit the scope of the implementation of this creation; that is, the equal changes and modifications made by Dafan according to the scope of patent application for this creation should still belong to this new type of patent. Within the scope of coverage.

[study]
10‧‧‧ tube body
11‧‧‧Photographic lens
12‧‧‧Fixed device [this creation]
20‧‧‧ hollow body
201‧‧‧ hollow area
202‧‧‧ wall
21‧‧‧ entrance end
22‧‧‧export end
30‧‧‧ Sounding unit
40‧‧‧ sensor
50‧‧‧Processing device
51‧‧‧ storage unit
52‧‧‧Transfer unit
60‧‧‧ display unit
A‧‧‧first sound wave
A1‧‧‧The first wave trough
B‧‧‧Second sound wave
B1‧‧‧Second wave trough
C‧‧‧ Offset sound waves
C1‧‧‧ Offset Acoustic Wave Valley
D‧‧‧ offset position
P‧‧‧Detection location
P1‧‧‧ actual location
S‧‧‧Predetermined location
S1‧‧‧ fixed steps
S2‧‧‧ pronunciation and transmission steps
S3‧‧‧Get the reference waveform step
T1‧‧‧ scheduled delay time
T2‧‧‧ offset delay time
W‧‧‧ waveform

Figure 1 is a schematic view of a conventional nasogastric tube mounted photographic lens. Figure 2 is a schematic diagram showing the structure and use of the device for detecting the position of the internal body of the tube. Fig. 3 is a schematic view showing the installation of the hollow tube body of the detecting device for the inner position of the tube in the body (1). Fig. 4 is a schematic view showing the installation of the hollow tube body of the detecting device for the inner position of the tube in the body (2). Fig. 5 is a flow chart showing the steps of obtaining a reference waveform of the detecting device for the internal position of the body tube. Fig. 6 is a reference waveform diagram of the apparatus for detecting the position of the body inside the tube. Fig. 7 is a schematic view showing the offset of the hollow tube body of the detecting device for the inner position of the tube in the body. Fig. 8 is a waveform comparison diagram of the deviation of the detecting device for the inner position of the inner tube of the present invention. Figure 9 is a diagram showing the relative position of the detection position and the actual position of the detecting device for the internal position of the body tube.

20‧‧‧ hollow body

201‧‧‧ hollow area

202‧‧‧ wall

21‧‧‧ entrance end

22‧‧‧export end

30‧‧‧ Sounding unit

40‧‧‧ sensor

50‧‧‧Processing device

51‧‧‧ storage unit

52‧‧‧Transfer unit

60‧‧‧ display unit

A‧‧‧first sound wave

B‧‧‧Second sound wave

P‧‧‧Detection location

S‧‧‧Predetermined location

W‧‧‧ waveform

Claims (40)

A device for detecting the position of a body of a body tube, comprising at least: a hollow tube body (20) comprising an inlet end (21) and an outlet end (22); a sounding unit (30) capable of being set At the inlet end (21); a sensor (40) is disposed at the outlet end (22); a processing device (50) is coupled to the sensor (40) and to the sound unit (30) ) Signal connection. The apparatus for detecting the position of the internal body of the body tube according to the first aspect of the invention, wherein the detecting device for the internal position of the body tube further comprises a display unit (60), the display unit (60) and the processing device (50) Signal connection. The apparatus for detecting the position of the internal body of the body tube according to the first aspect of the invention, wherein the processing device (50) is connected to the sensor (40) by means of a wired signal connection or a wireless signal connection. . The apparatus for detecting the position of the internal body of the body tube according to the first aspect of the invention, wherein the processing device (50) is connected to the sounding unit (30) by means of a wired signal connection or a wireless signal connection. . The apparatus for detecting the position of the internal body of the body tube according to claim 1, wherein the hollow tube body (20) is a nasogastric tube. The apparatus for detecting the position of the internal body of the body tube according to claim 1, wherein the hollow tube body (20) is a gas-cut tube. The apparatus for detecting the position of the internal body of the body tube according to the first aspect of the invention, wherein the hollow tube body (20) is a catheter. The apparatus for detecting the position of the internal body of the body tube according to claim 1, wherein the sensor (40) is an acoustic wave sensor. The device for detecting the position of the internal body of the body tube according to claim 1, wherein the sensor (40) is a microphone or a stethoscope. The apparatus for detecting the position of the internal body of the body tube according to the first aspect of the invention, wherein the sensor (40) is a stethoscope, the stethoscope comprises a miniature microphone and a wireless transmitter, and the miniature microphone is The wireless transmitter is electrically connected, and the stethoscope is connected to the processing device (50) through the wireless transmitter. The apparatus for detecting the position of the internal body of the body tube according to the first aspect of the invention, wherein the sensor (40) is a stethoscope, the stethoscope is a miniature microphone, and the stethoscope is externally connected to a wireless transmitter. The micro-microphone is electrically connected to the wireless transmitter, and the stethoscope is connected to the processing device (50) through the wireless transmitter. The apparatus for detecting the position of the internal body of the body tube according to the second aspect of the invention, wherein the display unit (60) is connected to a screen on the processing device (50). The device for detecting the position of the internal body of the body tube according to claim 2, wherein the display unit (60) is a smart platform interface or a remote computer. The apparatus for detecting the position of the internal body of the body tube according to the second aspect of the invention, wherein the sensor (40) is an acoustic wave sensor, and the processing device (50) is connected by a wired signal or wirelessly. The signal connection mode is connected to the sounding unit (30) signal, and the processing device (50) is connected to the sensor (40) by means of a wired signal connection or a wireless signal connection. The device for detecting the position of the internal body of the body tube according to claim 14, wherein the sensor (40) is a microphone or a stethoscope. The apparatus for detecting the position of the internal body of the body tube according to claim 14, wherein the sensor (40) is a stethoscope, and the stethoscope comprises a micro microphone and a wireless transmitter, and the micro microphone is The wireless transmitter is electrically connected, and the stethoscope is connected to the processing device (50) through the wireless transmitter. The device for detecting the position of the internal body of the body tube according to claim 14, wherein the sensor (40) is a stethoscope, the stethoscope is a miniature microphone, and the stethoscope is externally connected to a wireless transmitter. The micro-microphone is electrically connected to the wireless transmitter, and the stethoscope is connected to the processing device (50) through the wireless transmitter. The apparatus for detecting the position of the internal body of the body tube according to claim 14, wherein the hollow tube body (20) is a nasogastric tube. The apparatus for detecting the position of the internal body of the body tube according to claim 14, wherein the hollow tube body (20) is a gas-cut tube. The device for detecting the position of the internal body of the body tube according to claim 14, wherein the hollow tube body (20) is a catheter. A device for detecting the position of a body of a body tube, comprising at least: a hollow tube body (20) comprising an inlet end (21) and an outlet end (22); a sounding unit (30) capable of The inlet end (21) generates a first sound wave (A); a sensor (40) is capable of receiving a second sound wave (B); and a processing device (50) is coupled to the sensor (40) signal And connected to the sounding unit (30) signal. The device for detecting the position of the internal body of the body tube according to claim 21, wherein the detecting device for the internal position of the body tube further comprises a display unit (60), the display unit (60) and the processing device (50) Signal connection. The apparatus for detecting the position of the internal body of the body tube according to claim 21, wherein the processing device (50) is connected to the sensor (40) by means of a wired signal connection or a wireless signal connection. . The apparatus for detecting the position of the internal body of the body tube according to claim 21, wherein the processing device (50) is connected to the sounding unit (30) by means of a wired signal connection or a wireless signal connection. . The apparatus for detecting the position of the internal body of the body tube according to claim 21, wherein the hollow tube body (20) is a nasogastric tube. The apparatus for detecting the position of the internal body of the body tube according to claim 21, wherein the hollow tube body (20) is a gas-cut tube. The apparatus for detecting the position of the internal body of the body tube according to claim 21, wherein the hollow tube body (20) is a catheter. The apparatus for detecting the position of the internal body of the body tube according to claim 21, wherein the sensor (40) is an acoustic wave sensor. The apparatus for detecting the position of the internal body of the body tube according to claim 21, wherein the sensor (40) is a microphone or a stethoscope. The apparatus for detecting the position of the internal body of the body tube according to claim 21, wherein the sensor (40) is a stethoscope, and the stethoscope comprises a micro microphone and a wireless transmitter, and the micro microphone is The wireless transmitter is electrically connected, and the stethoscope is connected to the processing device (50) through the wireless transmitter. The apparatus for detecting the position of the internal body of the body tube according to claim 21, wherein the sensor (40) is a stethoscope, the stethoscope is a miniature microphone, and the stethoscope is externally connected to a wireless transmitter. The micro-microphone is electrically connected to the wireless transmitter, and the stethoscope is connected to the processing device (50) through the wireless transmitter. The apparatus for detecting the position of the internal body of the body tube according to claim 22, wherein the display unit (60) is connected to a screen on the processing device (50). The device for detecting the position of the internal body of the body tube according to claim 22, wherein the display unit (60) is a smart platform interface or a remote computer. The apparatus for detecting the internal position of a body tube according to claim 22, wherein the sensor (40) is an acoustic wave sensor, and the processing device (50) is connected by a wired signal or wirelessly. The signal connection mode is connected to the sounding unit (30) signal, and the processing device (50) is connected to the sensor (40) by means of a wired signal connection or a wireless signal connection. The device for detecting the position of the internal body of the body tube according to claim 34, wherein the sensor (40) is a microphone or a stethoscope. The apparatus for detecting the position of the internal body of the body tube according to claim 34, wherein the sensor (40) is a stethoscope, and the stethoscope comprises a micro microphone and a wireless transmitter, and the micro microphone is The wireless transmitter is electrically connected, and the stethoscope is connected to the processing device (50) through the wireless transmitter. The apparatus for detecting the position of the internal body of the body tube according to claim 34, wherein the sensor (40) is a stethoscope, the stethoscope is a miniature microphone, and the stethoscope is externally connected to a wireless transmitter. The micro-microphone is electrically connected to the wireless transmitter, and the stethoscope is connected to the processing device (50) through the wireless transmitter. The apparatus for detecting the position of the internal body of the body tube according to claim 34, wherein the hollow tube body (20) is a nasogastric tube. The apparatus for detecting the position of the internal body of the body tube according to claim 34, wherein the hollow tube body (20) is a gas-cut tube. The apparatus for detecting the position of the internal body of the body tube according to claim 34, wherein the hollow tube body (20) is a catheter.