Capsule endoscope with pull wire

Abstract

The utility model provides a kind of with towline capsule endoscope, it is related to medical instrument field, including capsule endoscope and the towline being set on capsule endoscope, the outer surface of towline is provided with first coating, and first coating is used to enhance the mechanical strength of towline, the outer surface of capsule endoscope is equipped with second coating, and second coating is used to reduce the resistance of capsule endoscope with patient esophagus in use process.The first coating (including high molecular composite coating and / or fiber reinforced coating) of the outer surface of towline is set to strengthen the mechanical strength of towline;The second coating (including hydrophilic polymer coating and / or polytetrafluoroethylene PTFE coating) of the outer surface of capsule endoscope is set to reduce the resistance that capsule endoscope is received in patient esophagus, avoids the risk of towline fracture of with towline capsule endoscope.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, specifically to a capsule endoscope with a traction wire. Background Technology

[0002] A capsule endoscope, also known as a capsule endoscope, is a capsule-shaped endoscope used to examine the human intestines. It enters the body to examine the health of the gastrointestinal tract and esophagus, helping doctors diagnose digestive system disorders. After swallowing, the capsule moves with the gastrointestinal muscles along the digestive path, capturing images and transmitting them to a data transmission device worn on the patient's waist. Several hours later, the doctor downloads the images from the capsule to a computer, and the capsule is automatically expelled from the body within 24 hours. With a capsule endoscope, patients can maintain normal activities and lives.

[0003] In existing technologies, capsule endoscopes rely on the patient's own esophageal movement after swallowing, and their time spent in different parts of the esophagus is relatively fixed, making retraction difficult. Therefore, capsule endoscopes with traction cables have emerged to address this issue. These cables control the time the capsule endoscope spends in different parts of the esophagus and facilitate retraction. The traction cable can also integrate optical camera signal transmission, allowing the capsule endoscope to be compatible with various monitoring methods such as ultrasound and optics. However, in existing technologies, the surface of capsule endoscopes with traction cables is made of ordinary plastic, which lacks lubrication, making them uncomfortable for patients and increasing the force required for traction. Furthermore, capsule endoscopes have difficulty passing through esophagus with space-occupying lesions. The traction cables for capsule endoscopes with traction cables are often ordinary electrical wires, which are insufficiently strong, especially during retraction, posing a risk of breakage during use.

[0004] Accordingly, this utility model provides a capsule endoscope with a traction wire, in order to solve at least one of the aforementioned problems. Utility Model Content

[0005] To address the shortcomings of existing technologies, this invention provides a capsule endoscope with a traction wire, which solves the problem of the risk of breakage of the traction wire during use in capsule endoscopes with traction wires.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] This utility model provides a capsule endoscope with a traction wire, including a capsule endoscope and a traction wire disposed on the capsule endoscope. The outer surface of the traction wire is provided with a first coating to enhance the mechanical strength of the traction wire. The outer surface of the capsule endoscope is provided with a second coating to reduce the resistance between the capsule endoscope and the patient's esophagus during use.

[0008] In a preferred embodiment, the first coating comprises a polymer composite coating and a fiber-reinforced coating.

[0009] In a preferred embodiment, the second coating comprises a hydrophilic polymer coating and a polytetrafluoroethylene (PTFE) coating.

[0010] In one embodiment, the two ends of the capsule endoscope are configured in an olive shape.

[0011] In a preferred embodiment, the capsule endoscope's shell is made of a flexible material.

[0012] In a further embodiment, a pressure sensor is disposed within the capsule endoscope housing.

[0013] In one embodiment, the outer surface of the traction wire is provided with multiple annular colored stripes.

[0014] In a preferred embodiment, the outer surface of the capsule endoscope has a groove, with one end of the groove open near the traction wire and the other end extending to the lens side of the capsule endoscope.

[0015] In one embodiment, the traction wire is connected to the capsule endoscope via a plug-in connection.

[0016] In a preferred embodiment, the traction wire is detachably connected to the capsule endoscope via a snap-fit ​​mechanism.

[0017] This invention provides a capsule endoscope with a traction wire. Compared with the prior art, it has the following advantages:

[0018] The mechanical strength of the traction wire is enhanced by a first coating (including a polymer composite coating and / or a fiber-reinforced coating) applied to the outer surface of the traction wire; the resistance encountered by the capsule endoscope in the patient's esophagus is reduced by a second coating (including a hydrophilic polymer coating and / or a polytetrafluoroethylene (PTFE) coating) applied to the outer surface of the capsule endoscope, thus avoiding the risk of breakage of the traction wire of the capsule esophageal endoscope. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 A three-dimensional schematic diagram of a capsule endoscope with a traction wire provided for this application.

[0021] Figure 2 This is a schematic diagram of the capsule endoscope shell structure provided in the embodiments of this application.

[0022] Figure 3 This is a schematic diagram of the outer surface of the traction wire provided in the embodiments of this application.

[0023] In the image: 1. Capsule endoscope; 2. Traction wire;

[0024] 11. Groove; 21. Circular color band. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments of this utility model are described clearly and completely. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0026] This application provides a capsule endoscope with a traction wire, which solves the problem of the risk of breakage of the traction wire during use in capsule endoscopes with traction wires.

[0027] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0028] Example 1:

[0029] See Figure 1 As shown, the present invention provides a capsule endoscope with traction wire, including a capsule endoscope 1 and a traction wire 2 disposed on the capsule endoscope 1. The outer surface of the traction wire 2 is provided with a first coating, which is used to enhance the mechanical strength of the traction wire 2. The outer surface of the capsule endoscope 1 is provided with a second coating, which is used to reduce the resistance between the capsule endoscope 1 and the patient's esophagus during use.

[0030] It should be noted that: the first coating is used to enhance the mechanical strength of the traction wire 2, thereby counteracting the frictional resistance experienced by the traction wire 2 when the capsule endoscope 2 needs to be withdrawn from the patient's body. The first coating can be a polymer composite coating, fiber-reinforced coating, diamond-like carbon coating, silane coupling agent modified coating, etc., and can be processed by spraying, chemical plating, etc. Increasing the mechanical strength of the traction wire 2 can also extend its service life. The second coating is used to reduce the resistance between the capsule endoscope 1 and the patient's esophagus during use. For example, a hydrophilic polymer coating, polytetrafluoroethylene (PTFE) coating, dimethicone-based lubricating coating, etc. can be used. By reducing the friction between the capsule endoscope 1 and the patient's esophagus, the tension experienced by the traction wire 2 when withdrawing the capsule endoscope 1 is reduced, thereby reducing the risk of the traction wire 2 breaking. It can also reduce the difficulty of the capsule endoscope 1 moving in the patient's esophagus when there are space-occupying lesions (such as tumors, polyps, abscesses, etc.) in the patient's esophagus, thus improving the patient's comfort.

[0031] In a preferred embodiment, the first coating comprises a polymer composite coating and a fiber-reinforced coating.

[0032] It should be noted that: polymer composite coatings can be epoxy resin coatings, polyurethane (PU) coatings, silicone coatings and their composite coatings, etc.; fiber reinforced coatings can be carbon fiber composite coatings (such as composite coatings of carbon fiber and epoxy resin), aramid fiber coatings and their composite coatings, etc.

[0033] In a preferred embodiment, the second coating comprises a hydrophilic polymer coating and a polytetrafluoroethylene (PTFE) coating.

[0034] It should be noted that the hydrophilic polymer coating can be made of polyvinylpyrrolidone, PVP coating, etc., which reduces the resistance of the capsule endoscope 1 shell by absorbing water and forming a water film in the patient's esophagus; the polytetrafluoroethylene (PTFE) coating has an extremely low coefficient of friction, which can significantly reduce the frictional force on the capsule endoscope 1 shell, and has been used in the medical field, such as in MatrixLiner. TM PTFE lined pipe series.

[0035] Example 2:

[0036] See Figure 2 As shown, the present invention provides a capsule endoscope with traction wire, including all the contents of Embodiment 1 and its preferred embodiments. In addition, the two ends of the capsule endoscope 1 are set as olive-shaped.

[0037] It should be noted that the olive-shaped structure reduces the impact of space-occupying lesions on the capsule endoscope 1 when it travels in the esophagus, and also makes it easier to withdraw the capsule endoscope 1 out of the patient's esophagus when withdrawing it through the traction line 2.

[0038] In a preferred embodiment, the outer shell of the capsule endoscope 1 is made of a flexible material.

[0039] It should be noted that the flexible material can be medical-grade silicone, which can adapt to the complex bends of the digestive tract, reduce mechanical stimulation to the mucosa, improve patient comfort, adapt to space-occupying lesions in the patient's esophagus, and facilitate the retraction of traction line 2.

[0040] In a further embodiment, a pressure sensor is disposed within the housing of the capsule endoscope 1.

[0041] It should be noted that the pressure sensor is located inside the outer shell of the capsule endoscope 1. It can transmit signals through preset pressure values. When the capsule endoscope 1 is unable to continue to pass through the patient's esophagus normally due to esophageal stenosis or space-occupying lesions in the esophagus, the pressure sensor signal notifies the doctor to withdraw the capsule endoscope 1 to avoid injury to the patient.

[0042] Example 3:

[0043] See Figure 3 As shown, the present invention provides a capsule endoscope with traction wire, including all the contents of Embodiments 1-2 and their preferred embodiments. In addition, the outer surface of the traction wire 2 is provided with multiple annular colored bands 21.

[0044] It should be noted that the spacing of the annular colored bands 21 can be set according to the length of different organs in the esophagus of a typical patient, to help doctors determine the position of the capsule endoscope 1 by the color of the annular colored bands 21 exposed outside the patient's esophagus. This is suitable for situations where the acoustic and / or optical probes inside the capsule endoscope 1 are accidentally disabled.

[0045] In a preferred embodiment, a groove 11 is formed on the outer surface of the capsule endoscope 1, with one end of the groove 11 open near the traction wire and the other end extending to the lens side of the capsule endoscope 1.

[0046] It should be noted that: through the groove 11, medical staff can clean the probe of the capsule endoscope 1 by injecting water into the patient's esophagus, thus avoiding infection of the capsule endoscope 1 by secretions and / or food residue in the patient's esophagus.

[0047] Example 4:

[0048] The present invention provides a capsule endoscope with a traction wire, which includes all the contents of the above embodiments and their preferred embodiments. In addition, the traction wire 2 is connected to the capsule endoscope 1 by a plug-in connection.

[0049] It should be noted that the traction wire 2 is connected to the capsule endoscope 1 by a plug-in connection. When not in use, it can be stored separately, disinfected or replaced to reduce the consumption of medical equipment.

[0050] In a preferred embodiment, the traction wire 2 is detachably connected to the capsule endoscope 1 via a snap-fit ​​mechanism.

[0051] It should be noted that the traction wire 2 is detachably connected to the capsule endoscope 1 via a snap-fit ​​mechanism, allowing the capsule endoscope 1 to be used independently when the traction wire 2 is not needed, thus improving patient comfort.

[0052] In summary, compared with existing technologies, it has the following beneficial effects:

[0053] 1. The mechanical strength of the traction wire is enhanced by the first coating (including a polymer composite coating and / or a fiber-reinforced coating) applied to the outer surface of the traction wire; the resistance encountered by the capsule endoscope in the patient's esophagus is reduced by the second coating (including a hydrophilic polymer coating and / or a polytetrafluoroethylene (PTFE) coating) applied to the outer surface of the capsule endoscope, thus avoiding the risk of breakage of the traction wire of the capsule esophageal endoscope.

[0054] 2. By designing an olive-shaped capsule endoscope shell and using a flexible shell structure, the capsule endoscope's ability to pass through tortuous digestive tract and esophageal space-occupying lesions is improved, the resistance to the traction wire is reduced, and patient comfort is enhanced.

[0055] 3. By setting up the connection relationship between the pressure sensor, the ring-shaped color strip, the traction wire and the capsule endoscope plug and buckle structure, the convenience of medical staff in using this device is improved and the waste of medical resources is reduced.

[0056] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0057] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A capsule endoscope with a traction wire, characterized in that, The device includes a capsule endoscope (1) and a traction wire (2) disposed on the capsule endoscope (1). The outer surface of the traction wire (2) is provided with a first coating, which is used to enhance the mechanical strength of the traction wire (2). The outer surface of the capsule endoscope (1) is provided with a second coating, which is used to reduce the resistance between the capsule endoscope (1) and the patient's esophagus during use.

2. The capsule endoscope with traction wire as described in claim 1, characterized in that, The first coating includes a polymer composite coating and a fiber-reinforced coating.

3. The capsule endoscope with traction wire as described in claim 1, characterized in that, The second coating includes a hydrophilic polymer coating and a polytetrafluoroethylene (PTFE) coating.

4. The capsule endoscope with traction wire as described in claim 1, characterized in that, The capsule endoscope (1) is set in an olive shape at both ends.

5. A capsule endoscope with traction wire as described in claim 1, characterized in that, The outer shell of the capsule endoscope (1) is made of flexible material.

6. A capsule endoscope with traction wire as described in claim 5, characterized in that, A pressure sensor is installed inside the outer shell of the capsule endoscope (1).

7. A capsule endoscope with traction wire as described in claim 1, characterized in that, The outer surface of the traction line (2) is provided with multiple ring-shaped color stripes (21).

8. A capsule endoscope with traction wire as described in claim 1, characterized in that, The outer surface of the capsule endoscope (1) is provided with a groove (11), which is open at one end near the traction line and extends to the lens side of the capsule endoscope (1).

9. A capsule endoscope with traction wire as described in claim 1, characterized in that, The traction wire (2) is connected to the capsule endoscope (1) by a plug-in connection.

10. A capsule endoscope with traction wire as described in claim 9, characterized in that, The traction line (2) is detachably connected to the capsule endoscope (1) via a snap-fit ​​mechanism.

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