Capsule endoscope delivery device

By designing a capsule endoscope delivery device with a hemispherical encapsulation capsule and a pressure sensor, the problem of safe delivery for patients with dysphagia was solved, enabling the safe arrival and smooth release of the capsule endoscope and reducing the risk of tissue damage.

CN114847847BActive Publication Date: 2026-03-31THE FIRST MEDICAL CENT CHINESE PLA GENERAL HOSPITAL
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-04-07
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

During current capsule endoscopy examinations, individual differences can cause swallowing difficulties in some individuals, requiring manual assistance and posing a risk of tissue damage.

Method used

A capsule endoscope delivery device was designed, which uses a hemispherical encapsulation capsule in conjunction with a pressure sensor to monitor pressure changes in real time during placement. Combined with pneumatic clamping and camera monitoring, it ensures that the capsule endoscope is safely delivered to the designated position and released.

Benefits of technology

It enables real-time monitoring of pressure changes during swallowing, avoids tissue damage, ensures the capsule endoscope safely reaches the designated position and is successfully released, and reduces the risks associated with manual assistance.

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Abstract

The application relates to the technical field of medical devices, in particular to a capsule endoscope conveying device, which comprises a main machine system and a proximal end handheld driving mechanism, the main machine system comprises an integrated main machine, a signal transmission line for connecting the integrated main machine and the proximal end handheld driving mechanism is arranged between the integrated main machine and the proximal end handheld driving mechanism, the integrated main machine comprises a fixed shell, a water and gas path, an image processor and a power supply, the water and gas path, the image processor and the power supply are installed on the inner wall of the bottom of the fixed shell, the main machine system further comprises a display, the hemispherical wrapping capsule is a pneumatic clamping mechanism, can be matched with capsule endoscopes of different specifications, a pressure sensor is arranged at the contact position of the hemispherical wrapping capsule and the capsule endoscope, the pressure change in the process of placing the capsule endoscope can be monitored in real time, so that the tissue is prevented from being damaged, the integrated monitoring camera above the wrapping capsule can realize real-time monitoring, the wrapping capsule is installed to a four-way bending end, and the capsule endoscope can be completely released to the designated position through the middle hole of the hemispherical wrapping capsule.
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Description

Technical Field

[0001] This invention relates to the field of medical device technology, specifically a capsule endoscope delivery device. Background Technology

[0002] Gastroscopy is a common diagnostic tool in modern medicine, but as an invasive procedure, it carries risks of complications such as bleeding, perforation, cardiovascular accidents, and cross-infection, as well as discomfort such as nausea and vomiting during the procedure. Capsule endoscopy is widely used due to its advantages of less discomfort and lower risk of complications. However, due to significant individual differences, a considerable number of people experience great difficulty swallowing the capsule endoscope, necessitating manual assistance for these patients. Summary of the Invention

[0003] The purpose of this invention is to provide a capsule endoscope delivery device to solve the problems mentioned in the background art.

[0004] The technical solution of the present invention is: a capsule endoscope delivery device, comprising a main unit system and a proximal handheld drive mechanism, wherein the main unit system comprises an integrated main unit, and a signal transmission line for connecting the integrated main unit and the proximal handheld drive mechanism is provided between the two, wherein the integrated main unit comprises a fixed housing, a water and air circuit, an image processor and a power supply.

[0005] Preferably, the water and air circuit, image processor, and power supply are installed on the inner wall of the bottom of the fixed housing. The host system also includes a display, which is installed above the fixed housing. The image input terminal of the display and the image output terminal of the host system are electrically connected.

[0006] Preferably, the proximal handheld drive mechanism includes a distal capsule endoscope release part, a distal bending part, a delivery hose, and a proximal handheld handle, and the proximal handheld handle includes a release locking rod, a release push rod, left and right bending dials, up and down bending dials, a top screw, a bending part traction wire, and an operating handle.

[0007] Preferably, one end of the operating handle is mounted on the outer wall of one end of the signal transmission line, and a first cylinder coaxial with it is provided on the outer wall of one end of the left and right curved dials, and a second cylinder coaxial with it is provided on the outer wall of one end of the up and down curved dials. A circular hole is opened on the outer wall of one end of the left and right curved dials, and the diameter of the circular hole is the same as the outer diameter of the second cylinder. The circular hole is coaxial with the first cylinder. The first cylinder and the second cylinder are movably installed. The first cylinder passes through one end of the outer wall of the operating handle, and the second cylinder forms a rotational fit with one end of the outer wall of the operating handle.

[0008] Preferably, the top of the operating handle has a sliding hole, and release push rods are slidably installed on the inner walls of both ends of the sliding hole. The outer wall of one side of the operating handle has a handle opening, and a square plate is installed on the inner wall of the handle opening. An installation hole is opened on the outer wall of one side of the square plate. A rotating cylinder is rotatably installed on the inner wall of the installation hole. The outer wall of the rotating cylinder is fixedly connected to the release locking rod. A conveying hose is sleeved on one end of the rotating cylinder.

[0009] Preferably, the distal bending section includes a curved snake bone and multiple curved snake bone traction wires. Multiple fixing rings are fixed to the outer walls of the multiple curved snake bones. The curved snake bone traction wires pass through the corresponding fixing rings, and the end of the delivery hose away from the rotating cylinder is fixed to one end of the curved snake bone.

[0010] Preferably, the distal capsule endoscope release section includes a hemispherical capsule and a capsule endoscope movably mounted on one side of the outer wall of the hemispherical capsule. The hemispherical capsule is mounted at one end of a curved snake bone, and a pressure sensor is installed between the hemispherical capsule and the capsule endoscope.

[0011] Preferably, the bending traction wire is wound around the outer wall of the first cylinder, and the two free ends of the bending traction wire are respectively fixed to the outer wall of the hemispherical wrapping bag facing the bending snake bone. The bending traction wire is located inside the delivery hose and the bending snake bone. The two ends of the top wire are respectively fixedly connected to the outer walls of the hemispherical wrapping bag and the release push rod, and the top wire is located inside the delivery hose and the bending snake bone.

[0012] Preferably, a camera is mounted on the outer wall of the hemispherical encapsulation capsule away from the curved snake bone.

[0013] This invention provides an improved capsule endoscope delivery device, which has the following improvements and advantages compared with the prior art:

[0014] The hemispherical capsule of this invention is a pneumatic clamping mechanism that can be adapted to capsule endoscopes of different sizes. A pressure sensor is provided at the contact position between the hemispherical capsule and the capsule endoscope to monitor pressure changes in real time during the placement of the capsule endoscope, thus avoiding tissue damage. A monitoring camera is integrated on the top of the capsule for real-time monitoring. The capsule is installed on the four-way curved end, and a set screw is fixed on the release push rod. The capsule endoscope can be completely released to the designated position through the central hole of the hemispherical capsule. Attached Figure Description

[0015] The present invention will be further explained below with reference to the accompanying drawings and embodiments:

[0016] Figure 1 This is a schematic diagram of the overall structure of a capsule endoscope delivery device according to the present invention;

[0017] Figure 2This is a schematic diagram of the proximal handheld drive mechanism of a capsule endoscope delivery device according to the present invention;

[0018] Figure 3 This is a schematic diagram of the integrated host structure of a capsule endoscope delivery device according to the present invention;

[0019] Figure 4 This is a schematic diagram of the operating part of the proximal handheld drive mechanism of a capsule endoscope delivery device according to the present invention;

[0020] Figure 5 This is a schematic diagram of the traction wire fixing end structure of the proximal handheld drive mechanism of a capsule endoscope delivery device according to the present invention;

[0021] Figure 6 This is a schematic diagram of the large and small dial wheel shaft system of the proximal handheld drive mechanism of a capsule endoscope delivery device according to the present invention.

[0022] Figure 7 This is a schematic diagram of the curved portion of a capsule endoscope delivery device according to the present invention;

[0023] Figure 8 This is a cross-sectional view of the curved portion, hemispherical encapsulation capsule, and capsule endoscope of a capsule endoscope delivery device according to the present invention.

[0024] Figure 9 This is a structural diagram of the release locking rod of a capsule endoscope delivery device according to the present invention;

[0025] Figure 10 This is a structural diagram of a hemispherical encapsulation capsule of a capsule endoscope delivery device according to the present invention;

[0026] Figure 11 This is a schematic diagram of the distal curved portion of a capsule endoscope delivery device according to the present invention, in which a capsule endoscope is mounted.

[0027] Explanation of reference numerals in the attached figures:

[0028] 1. Display; 2. Integrated host; 201. Fixed housing; 202. Water and gas path; 203. Image processor; 204. Power supply; 3. Proximal handheld drive mechanism; 4. Distal capsule endoscope release mechanism; 401. Hemispherical capsule; 402. Capsule endoscope; 403. Camera; 404. Pressure sensor; 5. Distal bending section; 501. Curved snake bone; 502. Curved snake bone traction wire; 6. Delivery hose; 7. Proximal handheld handle; 701. Release locking lever; 702. Release push rod; 703. Left and right bending dials; 704. Up and down bending dials; 705. Top screw; 706. Bending section traction wire; 707. Operating handle; 8. Signal transmission line. Detailed Implementation

[0029] The present invention will now be described in detail, and the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0030] This invention provides an improved capsule endoscope delivery device. The technical solution of this invention is as follows:

[0031] like Figures 1-5 As shown, a capsule endoscope delivery device includes a main unit system and a proximal handheld drive mechanism 3. The main unit system includes an integrated main unit 2. A signal transmission line 8 for connecting the integrated main unit 2 and the proximal handheld drive mechanism 3 is provided. The integrated main unit 2 includes a fixed housing 201, a water and air circuit 202, an image processor 203, and a power supply 204.

[0032] Additional functional descriptions of the above components or structures: The achievable degrees of freedom include: four-way bending of the distal end endoscope holder and release of the distal capsule endoscope 402.

[0033] Furthermore, the water and gas path 202, the image processor 203, and the power supply 204 are installed on the bottom inner wall of the fixed housing 201. The host system also includes a display 1, which is installed above the fixed housing 201. The image input terminal of the display 1 is electrically connected to the image output terminal of the host system.

[0034] The above structures are all existing technologies, and their working principles will not be explained in detail here.

[0035] Furthermore, the proximal handheld drive mechanism 3 includes a distal capsule endoscope release part 4, a distal bending part 5, a delivery hose 6, and a proximal handheld handle 7, and the proximal handheld handle 7 includes a release locking rod 701, a release push rod 702, a left and right bending dial 703, an up and down bending dial 704, a set screw 705, a bending part traction wire 706, and an operating handle 707.

[0036] Furthermore, one end of the operating handle 707 is mounted on the outer wall of one end of the signal transmission line 8, and a first cylinder coaxial with it is provided on the outer wall of one end of the left and right curved dial 703, and a second cylinder coaxial with it is provided on the outer wall of one end of the up and down curved dial 704. A circular hole is opened on the outer wall of one end of the left and right curved dial 703, and the diameter of the circular hole is the same as the outer diameter of the second cylinder. The circular hole is coaxial with the first cylinder. The first cylinder and the second cylinder are movably installed. The first cylinder passes through one end of the outer wall of the operating handle 707, and the second cylinder forms a rotational engagement with one end of the outer wall of the operating handle 707.

[0037] Furthermore, the top of the operating handle 707 has a sliding hole, and release push rods 702 are slidably installed on the inner walls of both ends of the sliding hole. The outer wall of one side of the operating handle 707 has a handle opening, and a square plate is installed on the inner wall of the handle opening. An installation hole is opened on the outer wall of one side of the square plate. A rotating cylinder is rotatably installed on the inner wall of the installation hole. The outer wall of the rotating cylinder is fixedly connected to the release locking rod 701. A conveying hose 6 is sleeved on one end of the rotating cylinder.

[0038] The aforementioned mechanism, in which the left-right bending dial 703 and the up-down bending dial 704 are coaxially designed, has two traction wires wound around the drive shafts of the left-right bending dial 703 and the up-down bending dial 704 respectively. The other end of the traction wires is mounted on the distal bending section 5. Manually rotating the left-right bending dial 703 and the up-down bending dial 704 controls the steering operation of the bending section 5 and releases the locking lever. Figure 9 The release lever swings around the auxiliary guide mechanism. The release locking lever has a protrusion, and the corresponding operating handle has a groove. Moving the locking lever causes the protrusion to fall into different grooves, thereby releasing or closing the release push rod. This function ensures that the set screw can smoothly release the capsule endoscope when the negative pressure suction is closed.

[0039] Furthermore, the distal bending section 5 includes a curved snake bone 501 and a plurality of curved snake bone traction wires 502. The outer walls of the plurality of curved snake bones 501 are fixed with a plurality of fixing rings. The curved snake bone traction wires 502 pass through the corresponding fixing rings, and the end of the delivery hose 6 away from the rotating cylinder is fixed to one end of the curved snake bone 501.

[0040] By means of the above-mentioned mechanism, the curved snake bone 501 and the curved snake bone traction wire 502 work together to make the entire distal curved part 5 have a certain degree of flexibility.

[0041] Furthermore, the distal capsule endoscope release section 4 includes a hemispherical capsule 401 and a capsule endoscope 402 movably mounted on one side of the outer wall of the hemispherical capsule 401. The hemispherical capsule 401 is mounted at one end of the curved snake bone 501, and a pressure sensor 404 is installed between the hemispherical capsule 401 and the capsule endoscope 402.

[0042] Furthermore, the curved traction wire 706 is wound around the outer wall of the first cylinder, and the two free ends of the curved traction wire 706 are respectively fixed to the outer wall of the hemispherical wrapping bag 401 facing the curved snake bone 501. The curved traction wire 706 is located inside the delivery hose 6 and the curved snake bone 501. The two ends of the top wire 705 are respectively fixedly connected to the outer walls of the hemispherical wrapping bag 401 and the release push rod 702. The top wire 705 is located inside the delivery hose 6 and the curved snake bone 501.

[0043] Furthermore, a camera 403 is installed on the outer wall of the hemispherical encapsulation 401, which is opposite to the curved snake bone 501.

[0044] Using the aforementioned mechanism: the distal capsule endoscope hemispherical capsule 401 is made of silicone-like material and integrates a camera 403. It has a groove at the rear end and two holes at the connection with the four-way bending mechanism, through which signal transmission line 8 and set screw 705 are respectively routed. The capsule endoscope 402 is placed into the groove at the rear end. The hemispherical capsule 401 is pneumatically clamped and can be adapted to different sizes of capsule endoscopes 402, ensuring that it will not fall off during the entire process from the mouth to the esophagus. When the capsule endoscope 402 reaches the designated position, the pneumatic system is turned off and the release locking lever 701 is opened at the same time. The release push lever 702 is pushed, and the release push lever 702 drives the set screw 705 to push the capsule endoscope 402 out of the hemispherical capsule 401.

Claims

1. A capsule endoscope delivery device, characterized by: The utility model provides a kind of capsule endoscope system, including host system and proximal handheld drive mechanism (3), the host system includes integrated host (2), signal transmission line (8) for connecting the integrated host (2) and proximal handheld drive mechanism (3) between two is provided, the integrated host (2) includes fixed shell (201), water gas path (202), image processor (203) and power supply (204), water gas path (202), image processor (203) and power supply (204) are installed in the inner wall of the bottom of fixed shell (201), and the host system further includes display (1), display (1) is installed above fixed shell (201), and the image input end of display (1) and the image output end of host system are electrically connected, and the proximal handheld drive mechanism (3) includes distal end capsule endoscope execution release part (4), distal end bending part (5), conveying hose (6) and proximal end handheld handle (7), and proximal end handheld handle (7) includes release locking rod (701), release push rod (702), left and right bending dials (703), up and down bending dials (704), top silk (705), bending part traction silk (706) and operating handle (707); The operating handle (707) top is provided with a sliding hole, and the inner wall of both ends of the sliding hole is slidably installed with a release push rod (702), the outer wall of one side of the operating handle (707) is provided with a handle opening, and the inner wall of the handle opening is installed with a square plate, the outer wall of one side of the square plate is provided with a mounting hole, the inner wall of the mounting hole is rotatably installed with a rotating cylinder, the outer side wall of the rotating cylinder is fixedly connected with the release locking rod (701), and one end of the rotating cylinder is sleeved with the conveying hose (6); The release locking rod (701) is provided with a protrusion, and the operating handle (707) is provided with different grooves, and the protrusion can be respectively clamped in different grooves; The distal end bending part (5) includes a bending snake bone (501), and the distal end capsule endoscope execution release part (4) includes a hemispherical wrapping capsule (401) and a capsule endoscope (402) movably installed on the outer wall of one side of the hemispherical wrapping capsule (401), and the hemispherical wrapping capsule (401) is installed on one end of the bending snake bone (501). The both ends of the top silk (705) are fixedly connected with the outer walls corresponding to the hemispherical wrapping capsule (401) and the release push rod (702).

2. The capsule endoscope delivery device of claim 1, wherein: One end of the outer wall of the operating handle (707) is installed on one end of the outer wall of the signal transmission line (8), and the outer wall of one end of the left and right bending dials (703) is provided with a first cylinder coaxial with it, the outer wall of one end of the up and down bending dials (704) is provided with a second cylinder coaxial with it, the outer wall of one end of the left and right bending dials (703) is provided with a circular hole, the diameter of the circular hole is consistent with the outer diameter of the second cylinder, and the circular hole is coaxial with the first cylinder, the first cylinder and the second cylinder are movably installed, the first cylinder penetrates the outer wall of one end of the operating handle (707), and the second cylinder is rotatably connected with the outer wall of one end of the operating handle (707).

3. The capsule endoscope delivery device of claim 2, wherein: The distal bending part (5) comprises a plurality of bending serpentine traction wires (502), a plurality of fixed rings are fixed on the outer wall of the bending serpentine (501), the bending serpentine traction wire (502) penetrates through the corresponding fixed ring, and one end of the conveying hose (6) away from the rotating cylinder is fixed with one end of the bending serpentine (501).

4. The capsule endoscope delivery device of claim 3, wherein: The pressure sensor (404) is installed between the hemispherical wrapping sac (401) and the capsule endoscope (402).

5. The capsule endoscope delivery device of claim 2, wherein: The bending part traction wire (706) is wound on the outer wall of the first cylinder, two free ends of the bending part traction wire (706) are fixed on the outer wall of the hemispherical wrapping sac (401) facing the bending serpentine (501), and the bending part traction wire (706) is located in the inside of the conveying hose (6) and the bending serpentine (501), and the top wire (705) is located in the inside of the conveying hose (6) and the bending serpentine (501).

6. The capsule endoscope delivery device of claim 4, wherein: The camera (403) is installed on the outer wall of the hemispherical wrapping sac (401) away from the bending serpentine (501).

Citation Information

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