WO2014071820A1 - 一种胶囊型内窥镜 - Google Patents

一种胶囊型内窥镜 Download PDF

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Publication number
WO2014071820A1
WO2014071820A1 PCT/CN2013/086446 CN2013086446W WO2014071820A1 WO 2014071820 A1 WO2014071820 A1 WO 2014071820A1 CN 2013086446 W CN2013086446 W CN 2013086446W WO 2014071820 A1 WO2014071820 A1 WO 2014071820A1
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WO
WIPO (PCT)
Prior art keywords
capsule
wall
capsule endoscope
battery
endoscope according
Prior art date
Application number
PCT/CN2013/086446
Other languages
English (en)
French (fr)
Inventor
李奕
肖潇
孙平
王建平
章伟
程春生
Original Assignee
深圳市资福技术有限公司
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
Priority claimed from CN2012104411598A external-priority patent/CN102961110A/zh
Priority claimed from CN201210441076.9A external-priority patent/CN102961109B/zh
Priority claimed from CN2012104411742A external-priority patent/CN102973232A/zh
Application filed by 深圳市资福技术有限公司 filed Critical 深圳市资福技术有限公司
Publication of WO2014071820A1 publication Critical patent/WO2014071820A1/zh

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
    • A61B1/041—Capsule endoscopes for imaging
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00002—Operational features of endoscopes
    • A61B1/00025—Operational features of endoscopes characterised by power management
    • A61B1/00027—Operational features of endoscopes characterised by power management characterised by power supply
    • A61B1/00032—Operational features of endoscopes characterised by power management characterised by power supply internally powered
    • A61B1/00034—Operational features of endoscopes characterised by power management characterised by power supply internally powered rechargeable
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00112—Connection or coupling means
    • A61B1/00121—Connectors, fasteners and adapters, e.g. on the endoscope handle
    • A61B1/00124—Connectors, fasteners and adapters, e.g. on the endoscope handle electrical, e.g. electrical plug-and-socket connection
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/07—Endoradiosondes
    • A61B5/073—Intestinal transmitters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J5/00—Circuit arrangements for transfer of electric power between ac networks and dc networks
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
    • A61B2560/02—Operational features
    • A61B2560/0204—Operational features of power management
    • A61B2560/0214—Operational features of power management of power generation or supply
    • A61B2560/0219—Operational features of power management of power generation or supply of externally powered implanted units
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/10—The network having a local or delimited stationary reach
    • H02J2310/20—The network being internal to a load
    • H02J2310/23—The load being a medical device, a medical implant, or a life supporting device
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction

Definitions

  • the present invention relates to a medical device, and more particularly to a capsule type scope for detecting in a living body.
  • capsule endoscope is a new technology product developed by the medical science. It is widely used in the clinical diagnosis of various medical conditions. It is used for painless and non-invasive monitoring and diagnosis. After oral administration, it enters the stomach or intestine of the human body. The lens assembly takes close-up shots of the internal stomach or intestinal wall conditions for clinical diagnosis and reduces the patient's clinical pain.
  • the battery power in the capsule endoscope is depleted due to prolonged placement, and when activated, the capsule endoscope enters the body due to a decrease in battery power. It may cause the detection signal to be weak, or it may not be received and fed back to the external detection instrument. It is difficult to complete the monitoring task, and it is difficult to detect whether it is staying in the body through signal feedback after the detection is completed, and bring a certain heart to the patient. burden.
  • the weight of the battery is large, so that the weight of the entire capsule endoscope is large, and the capsule endoscope therefore does not flow smoothly in the stomach or intestine, and is easily retained in the stomach or intestine.
  • a primary object of the present invention is to provide a rechargeable capsule endoscope that is lightweight and has a high discharge efficiency.
  • a capsule endoscope includes a capsule housing and an LED light source, a sensor, a lens assembly and a battery packaged therein.
  • the portion of the capsule housing located at the periphery of the lens assembly is a lens cover, and the LED light source is distributed on the lens cover.
  • the battery is connected to the LED light source, wherein the battery is a rechargeable battery, and the positive and negative electrodes of the rechargeable battery are electrically connected to the outer wall of the capsule casing.
  • the capsule housing is provided with two sets of mutually spaced conductive layers, each set of conductive layers comprising two parts disposed on the inner wall and the outer wall of the capsule shell, the two parts of the conductive layer being electrically connected to each other, the positive electrode of the battery
  • the negative electrode and the negative electrode are electrically connected to the conductive layer of the inner wall of the capsule casing, respectively.
  • the capsule housing is provided with conductive via nails, and the conductive via nails connect the conductive layer to the two parts of the inner wall and the outer wall of the capsule shell.
  • the conductive layer is disposed at two parts of the inner wall and the outer wall of the capsule housing to communicate with each other at the seam of the capsule housing.
  • the spacing between the two sets of conductive layers is from 2 mm to 4 mm.
  • each set of conductive layers has an area of 4 mm to 2 36 mm 2 .
  • a charging pad is disposed on the conductive layer of the inner wall of the capsule casing, and the positive electrode and the negative electrode of the battery are electrically connected to the charging pad through the positive electrode of the power source and the negative electrode of the power source, respectively.
  • the charging pads are in contact with the conductive vias to facilitate conduction.
  • the spacing between the charging pads is 3-8 mm.
  • the capsule endoscope further includes a rectifying circuit, and each set of the conductive layer is separated from two parts of the inner wall and the outer wall of the capsule casing to form a coupling capacitor, and the positive electrode of the battery The negative electrodes are respectively connected to the coupling capacitor through the rectifier circuit.
  • a charging pad is disposed on the conductive layer of the inner wall of the capsule casing, and the rectifier circuit is connected to the coupling capacitor through the charging pad.
  • the rectifier circuit is at least one stage, and the multi-stage rectifier circuits are connected in series or in parallel, or the multi-stage rectifier circuits are connected in parallel or in series.
  • the metal plating is an inert metal layer.
  • the capacity of the battery ranges from 20 mAh to 30 mAh.
  • the weight of the battery ranges from 0.6 g to 0.8 g.
  • a specific embodiment of a capsule endoscope of the present invention adopts a rechargeable battery.
  • the weight of the rechargeable battery is lighter, thereby reducing the overall weight of the capsule endoscope and making it It is lighter in weight and improves its flow efficiency.
  • it can be used before it is taken to make it fully charged, and because the rechargeable battery has a higher discharge capacity, the life of the capsule endoscope is longer. Therefore, the monitoring time in the human body is prolonged, and the detection can be effectively performed, and the residual power can be utilized to effectively ensure the signal feedback strength of the capsule endoscope in the body to help confirm whether the capsule endoscope stays in the human body.
  • FIG. 1 is a schematic structural view of a first embodiment of a capsule endoscope according to the present invention
  • Figure 2 is a cross-sectional view of the portion of the capsule housing 1 of Figure 1 with conductive vias 64;
  • FIG. 3 is a cross-sectional view showing the capsule housing 1 of FIG. 1 on the side where the charging pad 12 is provided.
  • FIG. 4 is a schematic structural view of a second embodiment of a capsule endoscope according to the present invention.
  • FIG. 5 is a schematic diagram of charging according to a second embodiment of a capsule endoscope according to the present invention.
  • FIG. 6 is a schematic structural view of a third embodiment of a capsule endoscope according to the present invention.
  • FIG. 7 is a schematic structural view of a fourth embodiment of a capsule endoscope according to the present invention.
  • FIG. 8 is a schematic diagram of charging of a fourth embodiment of a capsule endoscope according to the present invention.
  • FIG. 9 is a schematic diagram of charging of a capsule type endoscope according to a fifth embodiment of the present invention.
  • Fig. 10 is a schematic view showing the charging of a capsule type endoscope according to a sixth embodiment of the present invention.
  • a specific embodiment 1 of a capsule endoscope provides a capsule endoscope 100 including a capsule housing 1 and an LED light source 2 , a sensor 3 , and a lens assembly 4 encapsulated therein.
  • the battery 6 the portion of the capsule casing 1 located at the periphery of the lens assembly 4 is a lens cover 5, and the LED light source 2 is distributedly mounted around the lens cover 5, and the battery 6 is connected to the LED light source 2.
  • the battery 6 is a rechargeable battery, and a conventional rechargeable battery such as a nickel-hydrogen, a nickel-cadmium or a lithium battery may be selected.
  • a conventional rechargeable battery such as a nickel-hydrogen, a nickel-cadmium or a lithium battery may be selected.
  • Replacing an existing primary battery with a rechargeable battery is not a simple replacement, which not only improves the discharge capacity of the battery, but also reduces its weight.
  • the inside of the capsule casing 1 is provided with a charging pad 12, and the battery 6 passes through the positive line of the power source. 60 and the negative power supply line 62 are electrically connected to the charging pad 12, respectively.
  • the capsule housing 1 is provided with a conductive via nail 64.
  • the inner wall 101 and the outer wall 102 of the capsule housing 1 are provided with a conductive layer, for example, the inner wall 101 and the outer wall 102 of the capsule housing 1 are coated with metal.
  • the plating layer 66 is connected to the metal plating layer 66 of the inner wall 101 and the outer wall 102.
  • the charging pad 12 is disposed on the metal plating layer 66 of the inner wall 101. That is, electrical connection between the positive and negative electrodes of the battery 6 and the outer wall 102 of the capsule housing 1 is achieved.
  • the battery 6 is electrically connected to the charging pad 12 through the power source positive line 60 and the power source negative line 62, respectively, and the charging pad 12 is soldered to the metal plating layer 66 of the inner wall 101, through the positive and negative charging probes and the metal of the outer wall 102.
  • the coating contacts, and the metal plating layer 66 of the inner wall 101 and the outer wall 102 of the capsule is communicated through the conductive via 64.
  • the charging probe is used for charging, the metal plating layer 66, the conductive via nail 64, the charging pad 12 and the positive and negative electrodes of the power source are passed through.
  • the line charges the battery.
  • the surface of the charging pad 12 is plated with an inert metal, which is preferably a gold plating layer, a silver plating layer or a copper plating layer.
  • the rechargeable battery is a nickel cadmium, nickel hydrogen or lithium battery.
  • the spacing between the charging pads is 3-8 mm, preferably 5 mm. It can be stated that the capacity of the battery ranges from 20 mAh to 30 mAh and the weight ranges from 0.6 g to 0.8 g. The preferred value of the battery should be that the lighter the weight, the larger the capacity is more conducive to the operation of the capsule system.
  • a primary battery is replaced by a rechargeable battery, and the discharge capacity of the rechargeable battery is greater, and the rechargeable battery is lighter in weight than the primary battery having the same capacity, so that the capsule is lighter.
  • the overall weight of the endoscope is lighter, making it lighter and improving its flow efficiency. At the same time, it can be charged before taking it to make it fully charged. Because of its stronger discharge capacity, the life of the capsule endoscope is longer, which prolongs the monitoring time in the human body. Helps to confirm whether the capsule endoscope stays in the human body, thus effectively ensuring the signal feedback strength and detection of its retention in the body.
  • the charging problem is solved by arranging the charging contact and the metal plating on the inner wall of the capsule, which is simple and easy to operate.
  • a second embodiment of a capsule endoscope includes a capsule housing 1 and an LED light source 2, a sensor 3, a lens assembly 4 and a rechargeable battery 6 enclosed therein, and the capsule housing 1 is located.
  • the peripheral portion of the lens assembly 4 is a lens cover 5, and the rechargeable battery 6 is electrically connected to the LED light source 2, the sensor 3, and the lens assembly 4, respectively, and the capsule housing 1 is encapsulated by a capsule wall 10, and the capsule wall 10 is formed.
  • Two sets of conductive layers 103 are disposed on the inner wall 101 and the outer wall 102.
  • the capsule wall 10 is provided with conductive via nails 7.
  • the conductive vias 7 are connected between the conductive layers 103, and the conductive layer 103 passes through
  • the positive and negative charging lines 105 of the battery are electrically connected to the rechargeable battery 6, respectively. That is, the electrical connection between the positive electrode and the negative electrode of the rechargeable battery 6 and the outer wall 102 of the capsule casing 1 is achieved.
  • the capsule housing 1 includes a capsule wall 10 and a lens cover 5.
  • the capsule housing 1 is provided with components in which it is made of pharmaceutical gelatin.
  • the charging power source is electrically connected to the rechargeable battery 6 inside the capsule through the conductive layer 103 and the positive and negative charging lines 105 of the battery to charge the internal charging power source.
  • the two sets of conductive layers 103 are applied to the inner wall 101 and the outer wall 102 of the capsule wall 10 at intervals, and two charging pads are disposed on the conductive layer 103 of the inner wall 101.
  • the conductive layer 103 on one of the inner walls 101 is electrically connected to the positive charging line 105a of the battery through the charging pad 104, the positive charging line 105a is connected to the positive electrode of the battery, and the conductive layer 103 of the other set of the inner wall 101 is charged.
  • the solder joint 104 is electrically connected to the negative charging line 105b of the battery, and is respectively connected to the charging circuit of the battery through the positive and negative charging lines, and each set of conductive layers constitutes a resistive structure, and charges the positive and negative electrodes of the battery through the charging circuit.
  • the charging circuit is a regulated current-stabilizing circuit.
  • the conductive layer 103 of the outer wall 102 of the capsule wall 10 is electrically connected to the positive and negative charging probes 20.
  • the ends of the positive and negative charging probes 20 are made of a flexible or elastic material, and the positive and negative electrodes are charged.
  • the probe is clicked on the conductive layer 103 of the outer wall 102 of the capsule wall, and the rechargeable battery 6 enclosed in the capsule casing is charged by a conductive material.
  • the end of the positive and negative charging probe 20 is made of a flexible or elastic material so that when it touches the capsule wall, it does not puncture the capsule wall, does not affect the tightness of its appearance, and ensures the electrical contact with the capsule wall. On the floor.
  • the charging pad 104 is in contact with the conductive via 7 to facilitate energization.
  • the conductive via 7 there are six conductive via nails 7, three at the positive input end and the negative input end, and at the position of the conductive via nail 7 on the outer wall of the capsule, a mark is provided to facilitate When charging, the positive and negative charging probes can be accurately docked with the conductive via nails 7, and the charging efficiency is higher.
  • the number of the conductive via nails 7 is not limited, and at least one of the positive and negative pole access ends may be disposed, and a plurality of conductive via nails are disposed, and the conductive holes are introduced into the inner wall through the conductive layer of the outer wall. In the conductive layer, the charging efficiency is higher.
  • the conductive layer is an inert metal layer, and the inert metal layer is a gold plating layer, a silver plating layer or a copper plating layer.
  • the conductive via nail is made of an inert metal.
  • the conductive via nail is disposed inside the capsule wall, but does not affect the sealing of the entire capsule wall to prevent liquid leakage.
  • the length of the conductive via nail is equivalent to the thickness of the capsule wall, and the outer peripheral diameter is 0.2 mm; the thickness of the capsule wall is 0.2 mm-1 mm, that is, the interval between the inner and outer conductive layers in a set of conductive layers is 0.2 mm-1 mm.
  • the spacing between the two sets of conductive layers is 2 mm - 4 mm; the area of each set of conductive layers is 4 mm - 2 6 mm 2 .
  • the larger the area of the conductive layer the more reliable the electrical contact of the conductive vias can be ensured.
  • the conductive layers of the inner wall and the outer wall of the capsule wall communicate with each other, and the conductive via nails are omitted, and the capsule wall 10 and the lens cover are omitted.
  • the conductive layers of the inner wall and the outer wall are in communication such that when the positive and negative charging probes are in contact with the conductive layer, the current is electrically conducted inward from the outer conductive layer
  • the layer is introduced, and then converted into a charging circuit through a charging pad and a conductive wire to be connected to the positive and negative electrodes of the rechargeable battery.
  • the preparation process is simple, and only a metal conductive coating is applied on the inner and outer layers of the capsule wall.
  • the contact-chargeable capsule endoscope of the present invention coats the inner wall and the outer wall of the capsule wall with a conductive layer, the conductive layer is self-connected, or communicates with each other through a plurality of conductive via nails, so that when the positive and negative probes are touched
  • the conductive layer of the outer wall is electrically conductive to the inner conductive layer through the conductive via
  • the inner conductive layer communicates with the positive and negative charging lines through the charging pad, and the external current is conducted into the rechargeable battery.
  • the contact type charging method solves the limitation that only the primary battery can be built in the existing capsule endoscope, and the full power is entered into the body by charging when not taken, so that the capsule endoscope has a longer service life and feedback.
  • the signal strength is stronger, breaking through the power and weight limited by the primary battery, and charging the built-in rechargeable battery through the capsule wall, which does not damage the internal structure of the capsule and has high charging efficiency.
  • a fourth embodiment of a capsule endoscope of the present invention includes a capsule housing 1 and an LED light source 2, a sensor 3, a lens 4 and a rechargeable battery 6 enclosed therein, and the capsule housing 1 is located at the lens.
  • the peripheral portion is a lens cover 5, and the rechargeable battery 6 is electrically connected to the LED light source 2, the sensor 3, and the lens 4, respectively, and the capsule housing 1 is encapsulated by the capsule wall 10, and the inner wall 101 of the capsule wall 10 and Two sets of conductive layers 103 are disposed on the outer wall 102.
  • the conductive layers 103 are disconnected from each other, and the conductive layers 103 are electrically connected to the rectifier circuit 8 through the positive and negative charging lines 105 of the battery, respectively. That is, as shown in FIG. 7, the capsule housing 1 includes a capsule wall 10 and a lens cover 5.
  • the capsule housing 1 encloses the components therein and is made of pharmaceutical gelatin.
  • a conductive layer 103 is disposed on the capsule wall 10, and the two conductive layers 103 are disconnected from each other, corresponding to a coupling capacitor.
  • the capacitive conductive layer 103 is combined with the rectifier circuit 8, and the current of the external power source is passed through the conductive layer 103 and the battery.
  • the positive and negative charging lines 105 are connected to the rectifier circuit 8, and the AC power is converted into a DC power source and introduced into the rechargeable battery. That is, electrical connection between the positive and negative electrodes of the battery 6 and the outer wall 102 of the capsule housing 1 is achieved.
  • the two sets of conductive layers 103 are applied to the inner wall 101 and the outer wall 102 of the capsule wall 10 at intervals, and two charging pads are disposed on the conductive layer 103 of the inner wall 101.
  • 104 wherein the conductive layer 103 on one of the inner walls 101 is electrically connected to the positive electrode of the rectifier circuit 8 through the positive charging line 105a connected to the charging pad 104, and the conductive layer 103 of the other inner wall 101 is connected to the charging pad 104.
  • the negative charging line 105b is electrically connected to the negative electrode of the rectifier circuit 8, and is charged to the positive and negative electrodes of the battery by the rectifier circuit 8. In the rectifier circuit 8, the current is converted to convert the alternating current into a direct current.
  • the conductive layer 103 of the outer wall 102 of the capsule wall 10 is electrically connected to the positive and negative charging probes 20.
  • the ends of the positive and negative charging probes 20 are made of a flexible or elastic material, and the positive and negative electrodes are charged.
  • the probe touches the conductive layer 103 of the outer wall 102 of the capsule wall, and a coupling capacitor is formed between the inner and outer conductive layers to accumulate the charge and transfer it to the rectifying circuit 8. After being converted into an alternating current to a direct current through a rectifying circuit, the charging is transmitted to the charging.
  • the batteries are examples of the batteries.
  • the end of the positive and negative charging probe 20 is made of a flexible or elastic material so that when it touches the wall surface of the capsule, it does not puncture the capsule wall, does not affect the tightness of its appearance, and ensures the electrical contact with the capsule wall. On the floor.
  • the conductive layer is an inert metal layer, and the inert metal layer is a gold plating layer, a silver plating layer or a copper plating layer.
  • the thickness of the capsule wall is 0.2 mm-1 mm, that is, the interval between the inner and outer conductive layers in a set of conductive layers is 0.2 mm-1 mm; the spacing between the conductive layers is 2 mm-4 mm; the area of each set of conductive layers For 4mm2-36 Mm2. The smaller the spacing between the conductive layers, the larger the capacitance value, the higher the charging efficiency; the larger the area of the conductive layer, the larger the capacitance value, and the higher the charging efficiency; and vice versa.
  • the rectifier circuit can be set in multiple stages in series or in parallel, and is performed by a multi-stage step-up rectifier circuit.
  • Level boosting increases the efficiency of charging.
  • a multi-stage series step-up rectifier circuit can increase the charging voltage;
  • FIG. 4 shows a specific embodiment of the capsule endoscope.
  • the charging voltage can be increased, and the charging current can be increased by the parallel rectifier circuit to improve the charging efficiency.
  • multi-stage boost rectification the DC voltage value after rectification can be greatly improved, thereby improving the charging efficiency of the battery.
  • the fourth embodiment of the capsule endoscope of the present invention not only breaks through the use of the rechargeable battery as an internal power source, but also breaks through the power and weight originally limited by the primary battery, and at the same time, adopts safety in the charging mode.
  • the high-efficiency charging method applies a conductive layer on the inner wall and the outer wall of the capsule wall, and the conductive layers are disconnected from each other to form a capacitive charging system, and the conductive layer separated by the capsule wall forms a capacitor, which is connected through the conductive layer and the positive and negative charging lines.
  • the rectifier circuit converts the alternating current into direct current through the rectifier circuit and then introduces it into the rechargeable battery.
  • the charging structure only needs to coat the conductive layer on the capsule endoscope, which is easy to process and has a simple process. At the same time, the structure of the capsule is not damaged, and the external body fluid is infiltrated into the capsule wall due to puncture, or the internal chemical liquid flows in. The body causes harm to the human body.
  • the charging current and voltage are increased, and the charging efficiency is improved; and by changing the area of the conductive layer, the capacitance of the two components can be increased, thereby improving the charging efficiency.

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Abstract

一种可充电的胶囊内窥镜（100），包括胶囊壳体（1）以及封装在其中的LED光源（2）、传感器（3）、镜头组件（4）、镜头罩（5）和电池（6）。所述镜头罩（5）设于镜头组件（4）的外围，所述LED光源（2）分布于镜头罩（5）的四周。所述电池（6）与LED光源（2）连接，所述电池（6）为可充电电池。充电电池的正极和负极与胶囊壳体（1）的外壁（102）电连接。与一次性电池相比，在容量相等的前提下，充电电池的重量更轻，使得胶囊内窥镜（100）的整体重量较轻，提高其在体内的流动效率。同时，由于充电电池的放电能力更强，使得胶囊内窥镜（100）的使用寿命更久，有助于其完成在生物体内的检测任务。

Description

一种胶囊型内窥镜 技术领域
本发明涉及一种医疗器械，特别是指一种在生物体内进行探测的胶囊型窥镜。
 背景技术
目前，胶囊式内窥镜是医学发展的科技新产品，其日渐被广泛应用于医学上各种病症的临床诊断，采用无痛无创伤的监测诊断，口服后进入人体胃或肠道中，通过其镜头组件近距离拍摄其内部的胃或肠壁状况，以进行临床诊断，减轻患者的临床痛苦。
然而，现有的胶囊内窥镜在未使用时，由于长时间的置放，胶囊内窥镜中的电池电量有所损耗，当启用后，胶囊内窥镜进入体内，由于电池电量的下降，有可能导致检测信号较弱，或无法接收和反馈至外部检测仪器上，既难于完成监测任务，也难于在检测完毕之后，通过信号反馈检测出其是否在体内滞留，给患者带来一定的心里负担。并且，电池重量较大，使得整个胶囊内窥镜的重量较大，胶囊内窥镜因此在胃或肠道中流动不顺畅，易在胃或肠道中滞留。
 技术问题
本发明的主要目的在于提供一种重量轻、放电效能大的可充电的胶囊型内窥镜。
技术解决方案
本发明具体实施方式一种胶囊内窥镜，包括胶囊壳体以及封装在其中的LED光源、传感器、镜头组件和电池，胶囊壳体位于镜头组件外围的部分为镜头罩，LED光源分布于镜头罩的四周，电池与LED光源连接，其特征在于：电池为充电电池，充电电池的正极和负极与胶囊壳体的外壁电连接。
优选的，胶囊壳体上设有两组相互间隔的导电层，每一组导电层包括分设于胶囊壳体的内壁和外壁的两部分，导电层的两部分之间相互电连接，电池的正极和负极分别与胶囊壳体的内壁的导电层电连接。
优选的，胶囊壳体内设有导电过孔钉，导电过孔钉将导电层分设于胶囊壳体的内壁和外壁的两部分联通。
优选的，导电层分设于胶囊壳体的内壁和外壁的两部分在胶囊壳体的接缝处相互连通。
优选的，两组导电层之间的间距为2mm-4mm。
优选的，每一组导电层的面积为4mm2-36 mm2。
优选的，胶囊壳体的内壁的导电层上设有充电焊点，电池的正极和负极分别通过电源正极线和电源负极线与充电焊点电连接。
优选的，充电焊点与导电过孔钉相对接，以助于导电。
优选的，充电焊点之间的间距为3-8mm。
优选的，所述胶囊内窥镜还包括一个整流电路，每一组所述导电层分设于所述胶囊壳体的内壁和外壁的两部分相互断开而形成耦合电容，所述电池的正极和负极分别通过所述整流电路与所述耦合电容连接。
优选的，胶囊壳体的内壁的导电层上设有充电焊点，整流电路通过充电焊点与耦合电容连接。
优选的，整流电路为至少一级，多级整流电路相互串联或并联连接，或者多级整流电路相互之间既有并联连接也有串联连接。13、根据权利要求1至12中任一一项的胶囊内窥镜，其特征在于，导电层为金属镀层。
优选的，金属镀层为惰性金属层。
优选的，电池的容量范围为20mAh-30mAh。
优选的，电池的重量范围为0.6g-0.8g。
 有益效果
本发明一种胶囊内窥镜的具体实施方式采用充电电池，对于容量相等的充电电池和一次电池相而言，充电电池的重量更轻，由此可减轻胶囊内窥镜的整体重量，使之更为轻质，提高其流动效率；同时，由于可在服用前对其进行充电，以使其满电量开始使用，并且，由于充电电池放电能力更强，使得胶囊内窥镜的使用寿命更持久，从而延长了其在人体内的可监控时间，不但可以有效地完成检测，还可利用残余电量有效保障胶囊内窥镜在体内的信号反馈强度以帮助确认胶囊内窥镜在人体中是否滞留。
 附图说明
图1为本发明一种胶囊型内窥镜的具体实施方式一的结构示意图；
图2为图1中胶囊壳体1上设有导电过孔钉64的部分的截面剖视图；
图3为图1的胶囊壳体1设有充电焊点12一侧的截面剖视图。
图4为本发明一种胶囊型内窥镜的具体实施方式二的结构示意图；
图5为本发明一种胶囊型内窥镜的具体实施方式二的充电示意图；
图6为本发明一种胶囊型内窥镜的具体实施方式三的结构示意图；
图7为本发明一种胶囊型内窥镜的具体实施方式四的结构示意图；
图8为本发明一种胶囊型内窥镜的具体实施方式四的充电示意图；
图9为本发明一种胶囊型内窥镜的具体实施方式五的充电示意图；
图10为本发明一种胶囊型内窥镜的具体实施方式六的充电示意图。
 本发明的实施方式
参照图1所示，本发明一种胶囊型内窥镜的具体实施方式一提供了一种胶囊内窥镜100，包括胶囊壳体1以及封装在其中的LED光源2、传感器3、镜头组件4和电池6，胶囊壳体1位于镜头组件4外围的部分为镜头罩5，所述LED光源2分布安装于所述镜头罩5的四周，所述电池6与LED光源2连接。
其中，所述电池6为充电电池，可选镍氢、镍镉、锂电池等常规的充电电池。采用充电电池替代现有的一次电池，不是简单的替换，不仅提升了电池的放电能力，且降低了其重量。
结合参照图2和图3所示，为了解决充电电池如何充电的问题，本发明的胶囊内窥镜，所述胶囊壳体1内侧上设有充电焊点12，所述电池6通过电源正极线60和电源负极线62分别与充电焊点12电连接。所述胶囊壳体1内设有导电过孔钉64，所述胶囊壳体1的内壁101和外壁102设有导电层，如：在所述胶囊壳体1的内壁101和外壁102涂有金属镀层66，所述导电过孔钉64联通内壁101和外壁102的金属镀层66，所述充电焊点12设于内壁101的金属镀层66上。即，实现了电池6的正极和负极与胶囊壳体1的外壁102之间的电连接。电池6通过电源正极线60和电源负极线62分别与充电焊点12电连接，所述充电焊点12焊接于内壁101的金属镀层66上，通过正负极的充电探针与外壁102的金属镀层接触，通过导电过孔钉64连通胶囊内壁101和外壁102的金属镀层66，当采用充电探针进行充电时，通过金属镀层66、导电过孔钉64、充电焊点12和电源正负极线向电池进行充电。
为了防止充电焊点12与胶囊壳体1接触反应，所述充电焊点12的表面镀惰性金属，所述惰性金属优选镀金层、镀银层或镀铜层。所述充电电池为镍镉、镍氢或锂电池。
在本发明中，所述充电焊点之间的间距为3-8mm，优选间距为5mm。可说明所述电池的容量范围20mAh-30mAh和重量范围0.6g-0.8g，电池的优选值应为重量越轻，容量越大越利于胶囊系统的工作。
本发明一种胶囊内窥镜的具体实施方式一采用充电电池替换一次电池，充电电池的放电能力更大，且对于容量相等的充电电池和一次电池相比较，充电电池的重量更轻，使得胶囊内窥镜的整体重量较轻，使之更为轻质，提高其流动效率。同时，可在服用前对其进行充电，以使其满电量开始使用，由于其放电能力更强，使得胶囊内窥镜的使用寿命更持久，从而延长了其在人体内的可监控时间，以帮助确认胶囊内窥镜在人体中是否滞留，这样，可有效保障其在体内的信号反馈强度以及对其滞留的检测。并通过在胶囊内壁上布设充电触点和金属镀层，解决了充电的问题，简单易操作。
参照图4所示，本发明一种胶囊内窥镜的具体实施方式二包括：胶囊壳体1以及封装在其中的LED光源2、传感器3、镜头组件4和充电电池6，胶囊壳体1位于镜头组件4外围的部分为镜头罩5，所述充电电池6分别与LED光源2、传感器3、镜头组件4电连接，所述胶囊壳体1由胶囊壁10封装而成，所述胶囊壁10的内壁101和外壁102上设有两组导电层103，所述胶囊壁10内设有导电过孔钉7，所述导电过孔钉7联通于导电层103之间，所述导电层103通过电池的正负极充电线105分别与充电电池6电连接。即，实现了充电电池6的正极和负极与胶囊壳体1的外壁102之间的电连接。如图4所示，所述胶囊壳体1包括胶囊壁10和镜头罩5。
在本发明一种胶囊内窥镜的具体实施方式二中，所述胶囊壳体1将各部件封装于其中，采用制药明胶制成。通过在胶囊壁10上设置导电层103，通过导电层103和电池的正负极充电线105，将充电电源与胶囊内部的充电电池6相导通，以向内部的充电电源进行充电。
结合参照图5所示，其中，所述两组导电层103相互间隔地涂覆于胶囊壁10的内壁101和外壁102上，在所述内壁101的导电层103上设有两个充电焊点104，其中一组内壁101上的导电层103通过充电焊点104与电池的正极充电线105a电连接，正极充电线105a与电池的正极相连接，而另一组内壁101的导电层103通过充电焊点104与电池的负极充电线105b电连接，再通过正负极充电线分别与电池的充电电路连接，每组导电层构成电阻式结构，通过充电电路向电池的正负极进行充电，所述充电电路为稳压稳流电路。当充电时，所述胶囊壁10的外壁102的导电层103与正负极充电探针20电连接，所述正负极充电探针20的末端由柔性或弹性材料制成，正负极充电探针点触于胶囊壁的外壁102的导电层103上，通过导电材料向包裹于胶囊壳体内的充电电池6进行充电。所述正负极充电探针20的末端由柔性或弹性材料制成，使得其点触于胶囊壁时，不会戳穿胶囊壁，不影响其外观的密闭性，且确保接触到胶囊壁的导电层上。
在本发明的优选实施例中，所述充电焊点104与所述导电过孔钉7相对接，以助于通电导通。在本实施例中，所述导电过孔钉7有6个，在正极接入端和负极接入端分别设置有3个，在胶囊外壁的导电过孔钉7位置，设有标记，以便于充电时，正负极充电探针可准确地与导电过孔钉7进行对接，充电效率更高。当然，所述导电过孔钉7的个数不受限制，在正负极接入端至少各设一个即可，布设多个导电过孔钉，通过外壁的导电层向导电过孔钉导入内壁的导电层中，充电效率更高。
在本发明中，所述导电层为惰性金属层，所述惰性金属层为镀金层、镀银层或镀铜层。所述导电过孔钉由惰性金属制成。导电过孔钉设置于胶囊壁之内，但不影响整体胶囊壁的密封，防止液体外泄。导电过孔钉的长度与胶囊壁的厚度相当，其外周径为0.2mm；所述胶囊壁的厚度为0.2mm-1mm，即一组导电层中内外导电层之间的间隔为0.2mm-1mm；所述两组导电层之间的间距为2mm-4mm；每组导电层的面积为4mm2-36mm2。导电层的面积越大，越能保证导电过孔钉电接触的可靠性。导电过孔钉的个数越多，导电过孔钉电阻越小，充电效率越高。
参照图6所示，在本发明一种胶囊内窥镜的具体实施方式三，所述胶囊壁上的内壁和外壁的导电层相互连通，省缺导电过孔钉，在胶囊壁10与镜头罩相接之处，即，在胶囊壳体1的结合处，所述内壁、外壁的导电层连通，使得当将正负极充电探针接触所述导电层时，电流由外导电层向内导电层导入，再通过充电焊点和导电线接入充电电路进行转化，接入充电电池的正负极。这种实现方式，制备工艺简单，只需在胶囊壁的内外层涂覆金属导电涂层即可。
本发明可接触式充电的胶囊内窥镜在胶囊壁的内壁和外壁上涂覆导电层，导电层自连通，或通过若干个导电过孔钉相互连通，使得当正负极探针点触于导电层之上时，外壁的导电层通过导电过孔钉向内导电层导电，内导电层通过充电焊点与正负极充电线相连通，而将外部电流传导至充电电池之中。通过接触式的充电方式解决了现有胶囊内窥镜内仅能内置一次电池的局限，在未服用时通过充电使其满电量进入体内，从而使得胶囊内窥镜的使用寿命更长，且反馈信号强度更强，突破了原有受限于一次电池的电量和重量，透过胶囊壁向内置的充电电池进行充电，既不破坏胶囊的内部结构且充电效率较高。
参照图7所示，本发明一种胶囊内窥镜的具体实施方式四包括：胶囊壳体1以及封装在其中的LED光源2、传感器3、镜头4和充电电池6，胶囊壳体1位于镜头外围的部分为镜头罩5，所述充电电池6分别于LED光源2、传感器3、镜头4电连接，所述胶囊壳体1由胶囊壁10封装而成，所述胶囊壁10的内壁101和外壁102上设有两组导电层103，所述导电层103之间相互断开，所述导电层103通过电池的正负极充电线105分别与整流电路8电连接。即，如图7所示，所述胶囊壳体1包括胶囊壁10和镜头罩5。
在本发明一种胶囊内窥镜的具体实施方式四中，所述胶囊壳体1将各部件封装于其中，采用制药明胶制成。在胶囊壁10上设置导电层103，两组导电层103之间相互断开，相当于耦合电容，电容式的导电层103与整流电路8相结合，将外接电源的电流经由导电层103、电池的正负极充电线105接入整流电路8中，将交流电源转换成直流电源导入充电电池之中。即，实现了电池6的正极和负极与胶囊壳体1的外壁102之间的电连接。
结合参照图8所示，其中，所述两组导电层103相互间隔地涂覆于胶囊壁10的内壁101和外壁102上，在所述内壁101的导电层103上设有两个充电焊点104，其中一组内壁101上的导电层103通过与充电焊点104相连的正极充电线105a与整流电路8的正极电连接，而另一组内壁101的导电层103通过与充电焊点104相连的负极充电线105b与整流电路8的负极电连接，通过整流电路8向电池的正负极进行充电。在所述整流电路8中，对电流进行转化，将交流电流转换为直流电流。当充电时，所述胶囊壁10的外壁102的导电层103与正负极充电探针20电连接，所述正负极充电探针20的末端由柔性或弹性材料制成，正负极充电探针点触于胶囊壁的外壁102的导电层103上，在内外导电层之间形成耦合电容，使其电荷堆积并传送至整流电路8，经过整流电路进行交流变直流的转化后传输至充电电池之中。
其中， 所述正负极充电探针20的末端由柔性或弹性材料制成，使得其点触于胶囊壁面时，不会戳穿胶囊壁，不影响其外观的密闭性，且确保接触到胶囊壁的导电层上。
在本发明一种胶囊内窥镜的具体实施方式四中，所述导电层为惰性金属层，所述惰性金属层为镀金层、镀银层或镀铜层。所述胶囊壁的厚度为0.2mm-1mm，即一组导电层中内外导电层之间的间隔为0.2mm-1mm；所述导电层之间的间距为2mm-4mm；每组导电层的面积为4mm2-36 mm2。导电层之间的间距越小，电容值越大，充电效率越高；导电层的面积越大，电容值越大，充电效率也越高；反之亦然。
参照图9和图10所示，在本发明一种胶囊内窥镜的具体实施方式五和六中，所述整流电路可设为多级串联或并联，通过多级的升压整流电路进行逐级升压，提高了充电的效率。其中，图9所示，一种胶囊内窥镜的具体实施方式五中，多级串联的升压整流电路，可提升充电电压；图4所示，一种胶囊内窥镜的具体实施方式六中，多级串联和并联相结合的升压整流电路，既可提升充电电压，又可通过并联的整流电路，增大充电电流，提高充电效率。通过多级升压整流，可以大幅提升整流后输出的直流电压值，从而提高对电池的充电效率。
本发明一种胶囊内窥镜的具体实施方式四至六，不仅突破性地采用了充电电池作为内部电源，突破了原有受限于一次电池的电量和重量，同时，在充电方式上，采用安全高效的充电方式，在胶囊壁的内壁和外壁上涂覆导电层，导电层相互断开，形成电容式充电体系，由胶囊壁隔开的导电层形成电容，经由导电层和正负极充电线接入整流电路，经过整流电路将交流电转为直流电后导入充电电池之中。这种充电结构，仅需在胶囊内窥镜上涂覆导电层，易于加工，工艺简单，同时，不破坏胶囊的结构，避免了胶囊壁因刺破致使外部体液渗入其中，或内部化学液体流入体内对人体造成伤害。另外，通过设置多级的串并联的整流电路，提升充电电流和电压，提高了充电效率；并且，通过改变导电层的面积，亦可提高两者组成的电容大小，从而提高充电效率。
以上内容是结合具体的优选实施方式对本发明所作的进一步详细说明，不能认定本发明的具体实施只局限于这些说明。对于本发明所属技术领域的普通技术人员来说，在不脱离本实用新型构思的前提下，还可以做出若干简单推演或替换，都应当视为属于本发明的保护范围。

Claims (17)

  1. 一种胶囊内窥镜，包括胶囊壳体以及封装在其中的LED光源、传感器、镜头组件和电池，所述胶囊壳体位于所述镜头组件外围的部分为镜头罩，所述LED光源分布于所述镜头罩的四周，其特征在于：所述电池为充电电池，所述充电电池的正极和负极与所述胶囊壳体的外壁电连接。
  2. 根据权利要求1所述的胶囊内窥镜，其特征在于：所述胶囊壳体上设有两组相互间隔的导电层，每一组所述导电层包括分设于所述胶囊壳体的内壁和外壁的两部分，所述导电层的两部分之间相互电连接，所述电池的正极和负极分别与所述导电层设于胶囊壳体的内壁的部分电连接。
  3. 根据权利要求2所述的胶囊内窥镜，其特征在于，所述胶囊壳体内设有导电过孔钉，所述导电过孔钉将所述导电层分设于所述胶囊壳体的内壁和外壁的两部分联通。
  4. 根据权利要求2所述的胶囊内窥镜，其特征在于，所述导电层分设于所述胶囊壳体的内壁和外壁的两部分在胶囊壳体的结合处相互连通。
  5. 根据权利要求2所述的胶囊内窥镜，其特征在于：两组所述导电层之间的间距为2mm-4mm。
  6. 根据权利要求2所述的胶囊内窥镜，其特征在于：每一组所述导电层的面积为4mm2-36 mm2。
  7. 根据权利要求1至6中任一一项所述的胶囊内窥镜，其特征在于，所述胶囊壳体的内壁的导电层上设有充电焊点，所述电池的正极和负极分别与充电焊点电连接。
  8. 根据权利要求7所述的胶囊内窥镜，其特征在于：所述充电焊点与所述导电过孔钉相对接，以助于导电。
  9. 根据权利要求7所述的胶囊内窥镜，其特征在于：所述充电焊点之间的间距为3-8mm。
  10. 根据权利要求2所述的胶囊内窥镜，其特征在于，所述胶囊内窥镜还包括一个整流电路，每一组所述导电层分设于所述胶囊壳体的内壁和外壁的两部分之间形成耦合电容，所述电池的正极和负极分别通过所述整流电路与所述耦合电容连接。
  11. 根据权利要求10所述的胶囊内窥镜，其特征在于，所述胶囊壳体的内壁的导电层上设有充电焊点，所述整流电路通过所述充电焊点与所述耦合电容连接。
  12. 根据权利要求10所述的胶囊内窥镜，其特征在于：所述整流电路为至少一级，多级所述整流电路相互串联或并联连接，或者多级所述整流电路相互之间既有并联连接也有串联连接。
  13. 根据权利要求1至12中任一一项所述的胶囊内窥镜，其特征在于，所述导电层为金属镀层。
  14. 根据权利要求13所述的胶囊内窥镜，其特征在于：所述金属镀层为惰性金属层。
  15. 根据权利要求1所述的胶囊内窥镜，其特征在于,所述电池的容量范围为20mAh-30mAh。
  16. 根据权利要求1所述的胶囊内窥镜，其特征在于,所述电池的重量范围为0.6g-0.8g。
  17. 根据权利要求1所述的胶囊内窥镜，其特征在于,所述胶囊壳体的厚度为0.2mm-1mm。
PCT/CN2013/086446 2012-11-07 2013-11-01 一种胶囊型内窥镜 WO2014071820A1 (zh)

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CN201210441076.9A CN102961109B (zh) 2012-11-07 2012-11-07 一种可无线式充电的胶囊内窥镜
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