WO2013171870A1 - Dispositif et procédé de confirmation de la position d'un cathéter d'alimentation en forme de tube dans un corps - Google Patents

Dispositif et procédé de confirmation de la position d'un cathéter d'alimentation en forme de tube dans un corps Download PDF

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Publication number
WO2013171870A1
WO2013171870A1 PCT/JP2012/062584 JP2012062584W WO2013171870A1 WO 2013171870 A1 WO2013171870 A1 WO 2013171870A1 JP 2012062584 W JP2012062584 W JP 2012062584W WO 2013171870 A1 WO2013171870 A1 WO 2013171870A1
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WO
WIPO (PCT)
Prior art keywords
distal end
electrode
signal transmission
transmission unit
catheter
Prior art date
Application number
PCT/JP2012/062584
Other languages
English (en)
Japanese (ja)
Inventor
間藤　卓
堤　晴彦
君夫 江浦
史生 江浦
Original Assignee
ケミカル機器株式会社
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.)
Filing date
Publication date
Application filed by ケミカル機器株式会社 filed Critical ケミカル機器株式会社
Priority to JP2014515420A priority Critical patent/JP6277122B2/ja
Priority to PCT/JP2012/062584 priority patent/WO2013171870A1/fr
Publication of WO2013171870A1 publication Critical patent/WO2013171870A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J15/00—Feeding-tubes for therapeutic purposes
    • A61J15/0026—Parts, details or accessories for feeding-tubes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J15/00—Feeding-tubes for therapeutic purposes
    • A61J15/0026—Parts, details or accessories for feeding-tubes
    • A61J15/008—Sensor means, e.g. for sensing reflux, acidity or pressure
    • A61J15/0084—Sensor means, e.g. for sensing reflux, acidity or pressure for sensing parameters related to the patient
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J15/00—Feeding-tubes for therapeutic purposes
    • A61J15/0003—Nasal or oral feeding-tubes, e.g. tube entering body through nose or mouth

Definitions

  • the present invention relates to a device and method for confirming the position of the distal end of a tube feeding catheter inserted into a body, and a tube feeding catheter provided with the device.
  • Spontaneous feeding failure or difficulty due to cranial nerve disorder or dementia inability to swallow due to neuromuscular disease or difficulty, inability to eat or difficulty due to head or face trauma, throat larynx, esophagus or cardia stenosis
  • a tube feeding method is adopted in which a nutrition catheter is placed in the stomach to supply nutrition.
  • This tube feeding method includes the nasal feeding method (mostly nasal but sometimes oral if possible), as well as direct abdominal skin. It is roughly divided into a gastrostomy method in which a hole is made in the stomach and a catheter is inserted. In the former case, feed the feeding catheter sequentially into the nose (or mouth), pharynx, esophagus, and stomach, and confirm that the tip of the feeding catheter has reached the stomach. Liquid or the like is injected. On the other hand, in the latter case, a small hole called a gastrostomy is opened in the abdomen, and a nutritional catheter is directly inserted into the stomach, and a nutrient solution or the like is injected.
  • the larynx which is the branch point between the esophagus and the trachea, and the cardia between the esophagus and the stomach must be passed with great care and inserted so that the feeding catheter can reach the stomach correctly. is there.
  • Patent Document 1 can easily determine whether or not the feeding tube (catheter) has reached the stomach before feeding the nutrient into the stomach by the feeding tube (catheter).
  • a method for determining the arrival of a feeding tube (catheter) in the stomach that can be determined quickly, reliably and safely has been disclosed. Specifically, focusing on the fact that gastric acid exhibits a strong acidity of about pH 1-2, before feeding nutrients to the stomach by enteral feeding tube (catheter) 3, enteral feeding tube (catheter) 3
  • the pH electrode 8 is placed in the distal end opening 7 which is the exit side of the nutrient in advance with the detection portion exposed and placed in the body within a required distance, and the detection portion is detected by the pH electrode 8.
  • the nutrient tube (catheter) provided with the pH electrode employed in the method disclosed in Patent Document 1 is extremely useful in that the pH electrode is provided at the distal end, that is, the distal end of the tube (catheter).
  • the pH electrode described in Patent Document 1 is arranged at the distal end of the tube (catheter), there is no need for suction, and sequential measurement is possible as it is inserted into the body.
  • further improvement is required in cases where it is difficult to measure the pH of gastric acid due to specific conditions of the patient, such as administration of gastric acid-suppressing pharmaceuticals, total gastrectomy surgery, and the like.
  • Patent Literature 2 discloses a feeding tube device and a kit containing a tube supply device that delivers the feeding tube device to a desired position in order to deliver nutrients and / or drugs.
  • the feeding tube device (10) includes at least a catheter (20) and a removable stylet (30), the removable stylet comprising one or more magnetic materials (32a-j).
  • the stylet contains two or more magnetic materials in the form of a magnet stack (33), and the feeding tube device is fed by the medical practitioner through the intestinal tract.
  • the stylet When used in conjunction with a suitable external magnet (40) that can be used to guide the catheter, the stylet is removed once the catheter is in the desired position, thereby removing the magnetic material from the feeding tube device The catheter can remain in place while the patient is undergoing a diagnostic test such as magnetic resonance imaging.
  • symbol in this paragraph is a thing in the said patent document 2, and is different from the code
  • Patent Document 2 guides a magnetic material disposed in a stylet provided at the tip of a catheter from the stomach to the duodenum by an external magnet placed outside the body. It is described that an external magnet having a magnetic field of about 300 gauss (0.03 Tesla) at a distance of 4 inches (about 10 cm) is used, and a relatively strong magnetic field is applied inside and outside the patient's body. This may cause a human body effect. In addition, in order to accurately guide the feeding catheter, the structure of the external magnet becomes large and complicated, and there is a possibility that it may become extremely expensive.
  • the present invention has been made in view of such problems, and the object of the present invention is to place the nutrition catheter inserted into the body correctly into a desired site such as the stomach and indwell it. It is an object of the present invention to provide an apparatus and method that can be determined simply, quickly, reliably, and safely so as to be safe to use later, with reduced physical, mental and economic burden on the patient.
  • the present invention provides (1) a device for confirming the position of the distal end of a feeding catheter inserted into a body, and comprising a tube having an elongated cavity and a front or far side of the distal end of the tube.
  • An apparatus comprising: a signal transmission unit provided on a side surface near the distal end; and a measurement unit that operates the signal transmission unit to measure a signal.
  • a pH electrode provided on the side surface near the distal end of the tube or the front surface of the distal end corresponding to the position where the signal transmission unit is provided, and the pH connected to the proximal end side of the tube A device according to (1) above is provided.
  • the signal transmission unit is an IC chip
  • the measurement unit includes an oscillator that excites the IC chip and a geophone that receives the response.
  • the signal transmission unit is a light emitter
  • the measurement unit includes a power source that causes the light emitter to emit light and a receiver that obtains the response.
  • the signal transmitting unit is a coiled magnetic field line generator, and the measuring unit includes an oscillator and an oscillating antenna that oscillates the coiled magnetic field line generator, and a receiving antenna and a receiver that obtains the response thereof.
  • An apparatus according to 1) or (2) is provided.
  • the signal transmission unit is a phosphor
  • the measurement unit includes a transmitter that transmits an optical frequency that causes the phosphor to emit light and a receiver that obtains a response to the transmitter.
  • a nutritional catheter characterized by comprising the device according to any one of (1) to (7) above in a dedicated cavity provided in the longitudinal direction inside or outside.
  • a method for confirming the position of the distal end of a feeding catheter inserted into the body which is provided with at least one of a signal transmission unit and a pH electrode on the front surface of the distal end or a side surface near the distal end.
  • a step (a) of inserting a hollow tube into a dedicated cavity provided in the longitudinal direction inside or outside the feeding catheter a step (b) of inserting the feeding catheter into the body, a signal transmission unit and a pH electrode Activating at least one and measuring at least one of the signal and the pH value (c), and determining the distal end of the feeding tube based on at least one of the signal and the pH value obtained in step (c)
  • the feeding catheter inserted into the body is correctly inserted into a desired site such as the stomach, and placed so that the feeding catheter can be used safely after placement. It is possible to provide an apparatus and a method capable of reducing physical, mental and economic burdens on a patient.
  • FIG. 1 is a diagram schematically showing a state where a nutrition catheter 2 having a position confirmation device 1 according to the present invention is inserted into a body.
  • the state which the nutrition catheter 2 was normally inserted with respect to the patient who has a dysphagia by various causes as mentioned above is shown. That is, the feeding catheter 2 inserted from the patient's nostril N does not enter the trachea T, bend to the esophagus E side by being blocked by the cardia CO, or penetrate from the stomach G into the abdominal cavity AC.
  • a state in which the stomach G is reached through the esophagus E is shown.
  • the position confirmation device 1 is connected to a pH meter 16 and / or a personal computer 16a for analysis outside the body.
  • the pH meter 16 is also connected to a reference electrode 17 provided on the chest of the patient.
  • an elongated hollow tube 11, a signal transmitter 12 provided in front of the distal end of the tube 11, and a side surface near the distal end of the tube 11 are provided.
  • a device 1 for position confirmation provided with the pH electrode 15 is inserted.
  • the tube 11 has a hollow inside, and for example, a wire connecting the pH electrode 15 and the pH meter 16 can be inserted therethrough.
  • the signal transmission unit 12 is provided on the front surface of the distal end 11 a of the cable 11, and the pH electrode 15 is provided on the side surface in the vicinity of the distal end 11 a of the cable 11.
  • the positional relationship between them may be set appropriately.
  • the measurement unit 13 corresponding to the signal transmission unit 12 and the pH meter 16 corresponding to the pH electrode 15 are arranged outside the patient's body.
  • the sensing unit 14 that senses a signal from the signal transmission unit 12 is in contact with or near the patient's body surface.
  • the sensing unit 14 may be manually moved by an operator of the nutritional catheter 2 or may be held in a machine such as a robot arm.
  • an IC chip 12 a is employed as the signal transmission unit 12.
  • the IC chip is a non-contact type, and a magnetic field is generated in the sensing unit 14 by an oscillator 13a provided in the measurement unit 13, and the response when the IC chip is automatically excited in response to the magnetic field is detected by the sensing unit 14.
  • the signal is sensed and the signal is detected by a geophone 13 b provided in the measurement unit 13.
  • the IC chip 12a is accompanied by a capacitor and an electromagnetic coil (not shown), and the radio wave transmitted from the sensing unit 14 generates power in the electromagnetic coil, that is, the antenna, and the IC chip is activated.
  • the data radio wave set in advance is transmitted to the sensing unit 14.
  • the IC chip since the IC chip has an acid-sensitive property, it is completely sealed with a protective film 12b such as glass so as not to come into direct contact with stomach acid. At that time, in order not to adversely affect the living body, it is necessary to use biocompatible glass or the like that is not mixed with harmful substances such as lead.
  • the pH electrode 15 is connected to a pH meter 16 placed outside the patient's body.
  • the pH meter 16 is connected to a reference electrode 17 attached to any part of the patient's body, for example, the chest TH, and the vicinity of the distal end 11a of the feeding catheter 2 by the action of these two electrodes 15 and 17.
  • the pH value at is measured.
  • the pH electrode 15 is preferably a glass electrode 15a or an antimony electrode 15b. As shown in FIG. 2 (c), the electrode structure has a thin sensitive film 15c formed of glass or antimony at its tip, and an internal solution 15d of, for example, potassium chloride adjusted to a pH value of 7 is enclosed therein. An electrode rod 15e made of, for example, silver chloride is inserted into the internal liquid 15d. The electrode rod 15e is connected to the lead wire, and the other end is connected to the pH meter 16.
  • the former that is, the glass electrode 15a has good measurement results with small measurement errors, but is not practically suitable for the use of the disposable type because it is expensive in price. Therefore, it is suitable for repetitive use after cleaning and disinfection, and it is very convenient because the measurement cost per time can be reduced. Further, even if the glass electrode 15a is placed in the body, it is safe for the human body because it does not elute a harmful substance to the human body on the assumption that it does not contain a harmful substance such as lead.
  • the antimony electrode 15b cannot be obtained with high measurement accuracy like the glass electrode 15a, but it has been confirmed that it is practically satisfied, and is inexpensive and requires careful attention to its structure. It is suitable for the disposable type. Of course, if a predetermined process is performed, it can be reused. Unlike the glass electrode 15a, the antimony electrode 15b elutes a very small amount of antimony during the measurement, but has no adverse effect on the human body.
  • the position signal obtained by the signal transmission unit 12 of the position confirmation device 1 inserted into the nutrition catheter 2 and the pH value obtained by the pH electrode 15 are comprehensively evaluated and determined, and the nutrition catheter 2 Can reach the desired site such as the stomach G and can be confirmed.
  • gastric acid present in the stomach G usually has a pH value in the range of 1 to 2, and the feeding electrode 2 has reached the stomach G if the pH electrode 15 measures the surrounding body fluid within the range. It can be confirmed that the signal from the signal transmitter 12 can be obtained in advance even when the gastric acid secretion of the patient is suppressed or lowered for some reason and the pH electrode 15 cannot obtain a good measurement result. It can be confirmed that the feeding catheter 2 has reached the stomach G by collating with the position information of each part for each patient.
  • both the signal transmission unit 12 and the pH electrode 15 do not provide good measurement results, it is determined that the tip of the feeding catheter 2 may not reach the stomach G is rich. Since there is a possibility of insertion, folding in the esophagus, deviation into the abdominal cavity, etc., the feeding catheter 2 can be quickly removed from the body and the insertion action can be resumed. Then, the nutrition catheter 2 performs the same operation again and performs measurement, and after determining that the nutrition catheter 2 has surely reached the stomach G, the nutrient solution is injected.
  • the position confirmation device 1 including both the signal transmission unit 12 and the pH electrode 15 has been described. However, when it is determined that the measurement of the pH value is difficult from the diagnosis result separately performed, only the signal transmission unit 12 is provided.
  • the position confirmation apparatus 1 provided with only the pH electrode 15 can be used in the case where the measurement of the pH value is surely considered.
  • a light emitter 12c such as an optical fiber is employed as the signal transmission unit 12.
  • the illuminant 12 c emits light from an illuminant power supply 13 c connected by wiring inserted into the tube 11, and the signal is detected by an optical frequency receiver 13 d provided in the measurement unit 13.
  • the protective film 12d formed of a resin or the like is not inserted into the position confirmation device 1 so as not to be damaged in normal use. Covered by.
  • a coil-type magnetic field generator 12e is employed as the signal transmission unit 12.
  • a magnetic field is generated in the oscillation antenna 13f by the oscillator 13e provided in the measurement unit 13, and a response when the coil-type magnetic field generator 12c is automatically excited in response to the magnetic field is sensed by the reception antenna 13g.
  • the signal is detected by the provided medical receiver 13h.
  • the coil-type magnetic field generator 12e is configured by winding a coil around the tube 11, the surface thereof is bonded to a living body so as not to be detached from the tube 11 or to damage each internal part. Solidified and smoothed by an agent.
  • the pH electrode 15 is in front of the distal end 11a of the tube 11, and the coiled magnetic field generator 12e, which is the signal transmission unit 12, is the distal end.
  • the coiled magnetic field generator 12e which is the signal transmission unit 12 is the distal end. The example provided in the side surface of 11a vicinity is shown.
  • the phosphor 12d is employed as the signal transmission unit 12.
  • the phosphor 12d is an adjusted fluid in which phosphor powder is dispersed, and a magnetic field is generated in the sensing unit 14 by the optical frequency transmitter 13a provided in the measurement unit 13, and the phosphor 12d is automatically excited in response to the magnetic field.
  • the response at the time of detection is detected by the sensing unit 14, and the signal is detected by the receiver 13b provided in the measurement unit 13.
  • the pH electrode 15 is provided on the front surface of the distal end 11a of the tube 11, and the phosphor 12e that is the signal transmission unit 12 is provided on the side surface near the distal end 11a.
  • the phosphor 12e that is the signal transmission unit 12 is provided on the side surface near the distal end 11a.
  • the nutrition catheter 2 includes a soft synthetic resin tube 21 and a soft synthetic resin cap member 22 joined to an end portion on the outlet side of the nutrient solution which is a distal end. ing.
  • the position confirmation device 1 according to the first to fourth embodiments is inserted into the tube 21.
  • the cap member 22 has a substantially hemispherical head so as not to interfere with insertion into the body.
  • the inlet side of the tube 21 is formed as a tapered surface with a tapered diameter so that the distal end 11a of the position confirmation device 1 is smoothly and reliably inserted.
  • a pH electrode 15 is provided at a portion on the side joined to the tube 21.
  • the cap member 22 has a hole formed on its side surface, and is used to guide the liquid or gas in the body whose pH is measured to the pH electrode 15, and at the same time after the glass electrode 15 is pulled out. It is also for supplying nutrients sent through the tube 21 to the stomach.
  • the position confirmation device 1 can be freely inserted and removed from the nutrition catheter 2, for example, even if the pH electrode 15 is constituted by an expensive glass electrode, the glass electrode is reused without being disposable. Suitable for
  • FIG. 7 shows an example in which a conduit portion 21 a for inserting the position confirmation device 1 is provided outside the nutrition catheter 2.
  • the nutrition catheter 2 is in contact with the outside of the tube 21 through which the nutrient is circulated, and a conduit portion 21 a having a smaller diameter than the tube 21 is integrated with the tube 21 in the longitudinal direction of the tube 21.
  • the pH electrode 15 is embedded in the conduit portion 21a and is fixed to the conduit portion 21a with, for example, an adhesive. More specifically, the tube 21 and the conduit portion 21a are integrally molded with a soft synthetic resin. And the hole is formed in the lower end part of the conduit
  • the position confirmation device 1 is used by being fixed to the nutrition catheter 2, and is suitable, for example, as a pH electrode 15 composed of an inexpensive antimony electrode and disposable with the nutrition catheter 2.
  • the position confirmation device 1 including an elongated hollow tube 11 including at least one of the signal transmission unit 12 and the pH electrode 15 on the front surface of the distal end 11a or the side surface near the distal end 11a is provided inside or outside the feeding catheter 2.
  • the feeding catheter 2 is inserted into the body from the nose N, and at least one of the signal transmission unit 12 and the pH electrode 15 is operated to at least receive the response signal and the pH value.
  • One is measured, and it is determined whether the distal end of the feeding catheter 2 has reached a predetermined site based on at least one of the obtained signal and pH value.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Media Introduction/Drainage Providing Device (AREA)

Abstract

La présente invention concerne un dispositif (1) destiné à confirmer la position de l'extrémité distale d'un cathéter d'alimentation (2) inséré dans le corps d'un patient. Ledit dispositif peut être compris facilement, rapidement, sûrement et en toute sécurité, tout en réduisant les douleurs physiques et mentales et le poids économique qui pèse sur le patient, que le cathéter d'alimentation ait été ou non correctement inséré et placé à demeure à une position cible telle que l'estomac dans le corps. Ledit dispositif peut être utilisé en toute sécurité après son positionnement à demeure. Ce dispositif (1) se caractérise en ce qu'il comprend un tube fin et creux (11), une partie de transmission de signal (12) prévue sur la face antérieure de l'extrémité distale du tube ou sur la face latérale à proximité de son extrémité distale, et une partie de mesure (13) qui actionne la partie de transmission de signal et mesure un signal.
PCT/JP2012/062584 2012-05-17 2012-05-17 Dispositif et procédé de confirmation de la position d'un cathéter d'alimentation en forme de tube dans un corps WO2013171870A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2014515420A JP6277122B2 (ja) 2012-05-17 2012-05-17 経管栄養カテーテルの体内位置を確認するための装置及び方法
PCT/JP2012/062584 WO2013171870A1 (fr) 2012-05-17 2012-05-17 Dispositif et procédé de confirmation de la position d'un cathéter d'alimentation en forme de tube dans un corps

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Application Number Priority Date Filing Date Title
PCT/JP2012/062584 WO2013171870A1 (fr) 2012-05-17 2012-05-17 Dispositif et procédé de confirmation de la position d'un cathéter d'alimentation en forme de tube dans un corps

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WO2013171870A1 true WO2013171870A1 (fr) 2013-11-21

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015196040A (ja) * 2014-04-03 2015-11-09 ニプロ株式会社 胃内到達確認具
WO2020136936A1 (fr) * 2018-12-27 2020-07-02 間藤　卓 Cathéter, fil guide, dispositif d'identification de position d'orifice, procédé d'identification de position d'orifice, dispositif d'aide à la détermination de présence d'objet interne, dispositif d'aide au diagnostic et dispositif d'aide au traitement
WO2021075037A1 (fr) * 2019-10-17 2021-04-22 株式会社島津製作所 Tube médical
EP3791851A4 (fr) * 2018-05-07 2021-12-29 Neuroceuticals Inc. Système de confirmation de position de tube médical

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JP2008099714A (ja) * 2006-10-17 2008-05-01 Uchihashi Estec Co Ltd 体腔内挿入具の先端位置検出装置
JP2010500053A (ja) * 2006-06-26 2010-01-07 メリディアン・メディカル・システムズ，エルエルシー 低侵襲性用途のための一体型加熱／検知カテーテル装置
JP2010063867A (ja) * 2008-09-13 2010-03-25 Chemical Instruments Co Ltd 経腸栄養チューブの胃内到達判定方法
JP2010528818A (ja) * 2007-06-11 2010-08-26 ザ・トラステイーズ・オブ・ザ・ユニバーシテイ・オブ・ペンシルベニア カテーテル留置用の三次元光誘導
JP2010537744A (ja) * 2007-08-30 2010-12-09 シンクロ メディカル イノベーションズ， インコーポレイテッド 取外し可能な磁気ガイドを有するガイド付きカテーテル

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010500053A (ja) * 2006-06-26 2010-01-07 メリディアン・メディカル・システムズ，エルエルシー 低侵襲性用途のための一体型加熱／検知カテーテル装置
JP2008099714A (ja) * 2006-10-17 2008-05-01 Uchihashi Estec Co Ltd 体腔内挿入具の先端位置検出装置
JP2010528818A (ja) * 2007-06-11 2010-08-26 ザ・トラステイーズ・オブ・ザ・ユニバーシテイ・オブ・ペンシルベニア カテーテル留置用の三次元光誘導
JP2010537744A (ja) * 2007-08-30 2010-12-09 シンクロ メディカル イノベーションズ， インコーポレイテッド 取外し可能な磁気ガイドを有するガイド付きカテーテル
JP2010063867A (ja) * 2008-09-13 2010-03-25 Chemical Instruments Co Ltd 経腸栄養チューブの胃内到達判定方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015196040A (ja) * 2014-04-03 2015-11-09 ニプロ株式会社 胃内到達確認具
EP3791851A4 (fr) * 2018-05-07 2021-12-29 Neuroceuticals Inc. Système de confirmation de position de tube médical
WO2020136936A1 (fr) * 2018-12-27 2020-07-02 間藤　卓 Cathéter, fil guide, dispositif d'identification de position d'orifice, procédé d'identification de position d'orifice, dispositif d'aide à la détermination de présence d'objet interne, dispositif d'aide au diagnostic et dispositif d'aide au traitement
TWI829692B (zh) * 2018-12-27 2024-01-21 間藤卓 導管、導引線材、孔位置特定裝置、孔位置特定方法、在體內之物體存否的判斷支援裝置、診斷支援裝置及治療支援裝置
WO2021075037A1 (fr) * 2019-10-17 2021-04-22 株式会社島津製作所 Tube médical

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