Disclosure of Invention
The utility model aims to provide a capsule endoscope device which is convenient to swallow and has high sampling success rate.
In order to achieve the above object, an embodiment of the present utility model provides a capsule endoscope apparatus including a capsule endoscope, and a connection member connected to the capsule endoscope,
the capsule endoscope comprises a shell and a pump arranged in the shell, wherein a sampling port communicated with the inside and the outside of the shell is arranged on the shell, and the pump comprises a pump inlet and a pump outlet which are in fluid communication with the sampling port;
the connecting part comprises a fixing part fixedly connected with the shell and a connecting pipe extending from the fixing part to the direction away from the shell; the connecting pipe is provided with a liquid outlet channel which is communicated with the outside of the connecting pipe.
As a further improvement of an embodiment of the present utility model, the fixing portion is a sleeve sleeved outside one end of the housing along an axial direction of the housing, and the connecting tube is disposed on a side of the sleeve facing away from the capsule endoscope;
the sleeve is provided with an accommodating cavity for accommodating one end of the shell, and the accommodating cavity is communicated with the pump outlet and the liquid outlet channel.
As a further development of an embodiment of the utility model, the sleeve and the housing are fixed to each other by means of an interference fit.
As a further improvement of one embodiment of the present utility model, the housing includes a first end portion and a second end portion disposed opposite to each other in an axial direction of the housing,
the pump comprises a pump body arranged close to the second end part, and the pump outlet is arranged on one side of the pump body close to the second end part;
the second end is received in the receiving cavity, and the housing includes a housing outlet disposed at the second end, wherein the pump outlet extends into the housing outlet to communicate with the receiving cavity.
As a further improvement of an embodiment of the present utility model, the capsule endoscope further includes an image pickup assembly disposed in the housing, and the sampling port is disposed in a field of view of the image pickup assembly;
wherein the housing further includes a transparent portion disposed within a field of view of the camera assembly.
As a further improvement of an embodiment of the present utility model, the camera assembly includes a front camera disposed toward the first end along an axial direction of the housing, and the sampling port includes a front sampling port disposed within a field of view of the front camera;
the capsule endoscope further comprises a first communication pipe which is arranged in the shell and communicated with the front sampling port and the pump inlet.
As a further improvement of an embodiment of the present utility model, the camera assembly further includes a side camera disposed toward the outside of the housing in a radial direction of the housing, and the sampling port includes a side sampling port disposed within a field of view of the side camera;
the capsule endoscope further comprises a second communicating pipe which is arranged in the shell and communicated with the side sampling port and the pump inlet.
As a further improvement of one embodiment of the present utility model, the number of the side cameras is plural, and the plural side cameras are circumferentially spaced around the axis of the housing.
As a further improvement of an embodiment of the present utility model, the capsule endoscope further includes a positioning member, a magnetic member, and a battery, which are respectively provided in the housing;
the camera shooting assembly, the positioning component, the magnetic component, the battery and the pump are sequentially arranged along the axial direction of the shell;
wherein the positioning component is used for monitoring the position of the shell, and the magnetic component is configured to drive the shell to move under the action of external magnetic field force.
As a further improvement of an embodiment of the present utility model, the housing includes a transparent housing and a non-transparent housing connected to each other,
the first end part is an arc section, the second end part is a plane section, and the transparent shell comprises an arc section and a first vertical section extending from the arc section to the plane section;
the arc segment or the arc segment and at least part of the first vertical segment form a transparent portion within the front camera field of view.
Compared with the prior art, the utility model has the beneficial effects that: according to the capsule endoscope device provided by the utility model, the pump which is in fluid communication with the sampling port is arranged in the shell, the liquid outside the shell is pumped into the pump, the connecting part is connected to the capsule endoscope, and the collected liquid is conveyed to the outside of the body through the connecting pipe of the connecting part. Through such sampling mode, need not to set up the sampling storehouse in the capsule endoscope, reduced the inside volume of casing, be convenient for swallow, and the pump sets up in the casing, can guarantee the normal work of pump, and the connecting pipe is only responsible for carrying liquid, and the connecting pipe is difficult to block up, improves the success rate of sampling, has that the product size is little, be convenient for swallow, advantage that the sampling success rate is high.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
The terms "comprising" and "having" and any variations thereof herein are intended to cover a non-exclusive inclusion. Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
Referring to fig. 1, the present utility model mainly relates to: a capsule endoscope device comprises a capsule endoscope and a connecting member 3 connected to the capsule endoscope. In this embodiment, the capsule endoscope is orally administered to the patient to a designated area in the digestive tract or in the vicinity of a lesion. One end of the connecting part 3 is connected with the capsule endoscope, the other end of the connecting part 3 extends to the direction deviating from the capsule endoscope, and in the sampling process, the other end of the connecting part 3 is arranged outside the body.
The capsule endoscope includes a housing 1, and a pump 2 provided in the housing 1. An inner cavity 10 is formed in the housing 1, and the pump 2 is disposed in the inner cavity 10. The shell 1 is made of biocompatible materials, cannot be corroded by digestive juice, can be directly exposed to internal organs of a human body for use, and ensures healthy use of a patient.
Preferably, the pump 2 is provided as a micro pump to reduce the installation space of the pump 2.
The housing 1 is provided with a sampling port communicating the inside and outside of the housing 1, and the pump 2 includes a pump inlet 21 and a pump outlet 22 in fluid communication with the sampling port. When the pump 2 is in operation, fluid is in communication between the pump outlet 22 and the pump inlet 21. When the capsule endoscope is operated in the digestive tract of a human body, the medium may be a liquid located in the digestive tract. When the pump 2 is in operation, the pump 2 generates a negative pressure, and a medium located outside the capsule endoscope enters the interior of the pump 2 through the sampling port and the pump inlet 21 under the effect of the pressure.
The connection member 3 includes a fixing portion fixedly connected to the housing 1 and a connection pipe 32 extending from the fixing portion in a direction away from the housing 1. The connecting tube 32 is elongate so that the end of the connecting tube 32 facing away from the fixing portion is arranged outside the body during sampling, and the collected liquid is transported outside the body.
The connection pipe 32 has a liquid outlet passage 321 communicating the pump outlet 22 with the outside of the connection pipe 32. When the medium enters the pump 2, the pump 2 generates positive pressure, and the medium in the pump 2 reaches the outside of the body through the pump outlet 22 and the liquid outlet channel 321 under the action of the pressure, so as to realize the purposes of directly collecting the liquid from the inside of the body and conveying the collected liquid to the outside of the body through the connecting part 3.
Preferably, the outer diameter of the capsule endoscope is less than 11.6mm, and the length of the capsule endoscope in the axial direction thereof is less than 33mm.
As shown in fig. 2, in the present embodiment, the fixing portion is a sleeve 31 that is sleeved outside one end of the housing 1 along the axial direction of the housing 1. The connecting tube 32 is arranged on the side of the sleeve 31 facing away from the capsule endoscope. The sleeve 31 is fixedly connected with the connecting pipe 32, or is formed by integrally forming the sleeve and the connecting pipe. In this embodiment, the sleeve 31 is fitted over the capsule endoscope, so that the capsule endoscope is restricted from being displaced in the radial direction of the capsule endoscope within the sleeve 31.
Specifically, the sleeve 31 is provided with a housing chamber 311 housing one end of the housing 1, the housing chamber 311 is provided with an opening 312 toward one side of the housing 1, and a portion of the housing 1 is housed in the housing chamber 311 through the opening 312. The accommodating chamber 311 communicates the pump outlet 22 with the liquid outlet passage 321. The medium located inside the pump 2 reaches the outside of the body under pressure through the pump outlet 22, the accommodating chamber 311, and the liquid outlet passage 321.
Further, the sleeve 31 and the housing 1 are fixed to each other by interference fit. When the capsule endoscope is extruded into the sleeve 31, the sleeve 31 and the capsule endoscope are in sealing connection through friction force, and the external positive and negative pressure device is utilized to extract the gas of the accommodating cavity 311 through the liquid outlet channel 321, so that negative pressure is formed between the sleeve 31 and the capsule endoscope, and the connection strength between the sleeve 31 and the capsule endoscope is increased. When the capsule endoscope is required to be separated from the sleeve 31, the gas is injected into the accommodating cavity 311 through the liquid outlet channel 321, the injected gas plays a role in increasing the gas pressure between the sleeve 31 and the capsule endoscope, and when the positive pressure between the sleeve 31 and the capsule endoscope is larger than the friction force between the sleeve 31 and the capsule endoscope, the capsule endoscope is released.
Further, the sleeve 31 and the housing 1 may be adhered together by UV glue, or the sleeve 31 may be fixed to the housing 1 by screwing.
Further, the capsule endoscope device further comprises a connecting seat which is arranged in the sleeve 31 and magnetically adsorbs the capsule endoscope, wherein the connecting seat is fixed in the sleeve 31 and is adsorbed with the capsule endoscope through magnetic attraction, so that the capsule endoscope is limited to deviate in the sleeve 31 along the axial direction of the capsule endoscope. Not only the air pressure generated by negative pressure is arranged between the sleeve 31 and the capsule endoscope, but also magnetic adsorption force is arranged between the sleeve 31 and the capsule endoscope, and the double acting force enables the connection strength between the sleeve 31 and the capsule endoscope to be larger.
Further, the housing 1 includes a first end 11 and a second end 12 disposed opposite to each other in the axial direction of the housing 1. The first end 11 comprises a circular arc section. The second end 12 comprises a planar segment disposed opposite the circular segment. The pump 2 comprises a pump body 23 arranged near the second end 12, the pump outlet 22 being arranged at a side of the pump body 23 near the second end 12. Wherein the pump 2 is arranged close to the second end 12, the distance between the pump 2 and the second end 12 being reduced as much as possible. Preferably, the pump body 23 is fixed to the inside of the planar section. To reduce the length of the housing 1 in the axial direction.
The second end 12 and the pump outlet 22 are accommodated in the accommodating chamber 311. It will be appreciated that pump outlet 22 may also be in fluid communication with receiving cavity 311 via other conduit structures.
The housing 1 comprises a housing outlet 13 provided at the second end 12, the housing outlet 13 penetrating through the inner and outer walls of the housing 1. Preferably, the housing outlet 13 is provided at a central position at the second end 12. Wherein pump outlet 22 extends into housing outlet 13 to communicate with the interior of receiving chamber 311.
Preferably, the pump outlet 22 is provided at the middle of one side of the pump body 23. The pump outlet 22 is provided at the axis of the housing 1.
Further, the capsule endoscope further comprises a camera assembly 4 arranged in the shell 1, and the camera assembly 4 is arranged in the inner cavity 10. The sampling port is disposed within the field of view of the camera assembly 4.
Wherein the housing 1 further comprises a transparent portion arranged in the field of view of the camera assembly 4. That is, the housing 1 is at least partially made of a transparent material that is at least partially disposed within the field of view of the camera assembly 4. It will be appreciated that the housing 1 may be made entirely of transparent material.
When the capsule endoscope is positioned in the digestive tract, an operator can perform digestive tract examination through images shot by the camera assembly 4, the digestive tract sectioning and other actions, and after the specific area or the vicinity of a focus in the digestive tract is reached by the specific sampling capsule, whether to start sampling is determined, so that the digestive tract visualization of the sampling capsule is realized.
As shown in connection with fig. 3, in the present embodiment, the image pickup assembly 4 includes a front camera 41 disposed toward the first end 11 in the axial direction of the housing 1. In order to make the front camera 41 have a certain wide angle, the front camera 41 has a certain distance from the first end 11. Preferably, the axis of the front camera 41 coincides with the axis of the housing 1, so as to improve the balance performance of the structure of the housing 1, and has the advantage of stable and reliable structure.
The sampling port includes a front sampling port 14 disposed within the field of view of the front camera 41. The front camera 41 can monitor the collection condition of the front sampling port 14 in real time, and has the advantage of visualization of the sampling process.
The capsule endoscope further comprises a first communication tube 15 arranged in the housing 1 and communicating the front sampling port 14 with the pump inlet 21. The first communication pipe 15 extends from the front sampling port 14 to the pump inlet 21, and in this embodiment, the first communication pipe 15 extends from the front sampling port 14 in a direction parallel to the axis of the housing 1 to be connected to the pump inlet 21 again. The front sampling port 14 is disposed on the housing 1 at a position far from the axis of the housing 1, so that the first communication pipe 15 is disposed between the camera assembly 4 and the inner wall of the housing 1.
Further, the camera assembly 4 further includes a side camera 42 disposed toward the outside of the housing 1 in the radial direction of the housing 1. The sampling ports include side sampling ports 16 disposed within the field of view of side cameras 42. The side sampling port 16 is provided near the middle of the inner wall of the housing 1. The capsule endoscope further includes a second communication pipe 17 provided in the housing 1 and communicating the side sampling port 16 with the pump inlet 21.
In the case where the front sampling port 14 and the side sampling port 16 are provided at the same time, the sampling speed of the capsule endoscope can be increased, and the area of the sampling region can be increased.
Further, the number of side cameras 42 is plural, and the plurality of side cameras 42 are circumferentially spaced around the axis of the housing 1.
In the present embodiment, the camera module 4 may include only the front camera 41, only the side camera 42, and both the front camera 41 and the side camera 42. When the camera assembly 4 includes the front camera 41 and the side camera 42, the view range of the capsule endoscope at least covers the front and the side directions of the housing 1 without rotating the capsule endoscope, and a larger view range can be obtained without rotating the capsule endoscope, so as to improve the use experience of the patient.
Further, when the camera assembly 4 includes the front camera 41 and the side camera 42, the pump inlet 21 may be provided with connection ports for respectively interfacing with the front sampling port 14 and the side sampling port 16.
Further, the capsule endoscope further includes a positioning member 51 and a magnetic member 52 provided in the housing 1, respectively. The positioning member 51 and the magnetic member 52 are disposed in the inner chamber 10. The imaging module 4, the positioning member 51, and the magnetic member 52 are disposed in this order in the axial direction of the housing 1.
Wherein, the positioning component 51 is used for monitoring the position of the housing 1, and the magnetic component 52 is configured to be driven by external magnetic force to move the housing 1. Preferably, the positioning member 51 is provided as a position sensor. The magnetic member 52 is a magnet.
In this embodiment, there is no need to provide a driving mechanism in the housing 1, but the magnetic member 52 is driven to rotate or move by the external magnetic force of an external device, so that the capsule endoscope apparatus is driven to reach a designated area in the digestive tract or the vicinity of a lesion, and the internal volume of the housing 1 is reduced. The positioning component 51 and the magnetic component 52 are matched, so that the control of the capsule endoscope on external equipment is actively controllable, and the capsule endoscope can be dragged into a designated area in the digestive tract or the vicinity of a focus.
Further, the capsule endoscope further comprises a battery 6 arranged in the shell 1, and the battery 6 is arranged in the inner cavity 10. The imaging module 4, the positioning member 51, the magnetic member 52, the battery 6, and the pump 2 are disposed in this order along the axial direction of the housing 1. To reduce the length of the housing 1 in the radial direction. The battery 6 provides working power for the capsule endoscope.
Further, the housing 1 includes a transparent housing 18 and a non-transparent housing 19 connected to each other. The transparent housing 18 and the non-transparent housing 19 define an interior chamber 10 therebetween. The transparent casing 18 is fixedly connected with the non-transparent casing 19, specifically, the transparent casing 18 and the non-transparent casing 19 are fixed by means of dispensing and bonding, however, in other embodiments, the transparent casing 18 and the non-transparent casing 19 may also be fixed by means of threaded connection or clamping connection, and the detailed description will not be given. The transparent housing 18 and the non-transparent housing 19 are each formed in a hollow structure such that the transparent housing 18 and the non-transparent housing 19, when connected, combine to form the internal cavity 10.
The first end 11 is a circular arc segment and the second end 12 is a planar segment. The transparent shell 18 comprises an arc section and a first vertical section extending from the arc section to the plane section.
Referring to fig. 4, the area of the front camera 41 in the field of view is the area between the two broken lines in fig. 4. The arc segment or segments and at least part of the first vertical segment form a transparent portion within the field of view of the front camera 41.
The non-transparent housing 19 includes a planar section, a second vertical section extending from the planar section to the circular arc section. The joint of the plane section and the second vertical section is in arc transition connection. The first vertical section and the second vertical section are fixed by means of spot gluing to achieve a fixed connection of the transparent casing 18 with the non-transparent casing 19.
The utility model provides a method for operating a capsule endoscope device, which comprises the following steps:
1. fixing the connecting member 3 to the capsule endoscope;
2. the patient swallows the capsule endoscope;
3. the positioning component 51 feeds back the position information of the capsule endoscope in time, and the external equipment controls the magnetic component 52 to drive the capsule endoscope device to reach a designated area in the digestive tract or the vicinity of a focus;
4. the external equipment controls the gesture of the capsule to submerge the sampling port below the liquid level of the digestive tract;
5. switching on the power supply and starting the pump 2;
6. the pump 2 pumps the liquid out of the body through the liquid outlet channel 321 and collects the liquid;
7. after the collection is completed, positive pressure is injected through a liquid outlet channel 321 by using an external positive and negative pressure device; the connecting piece is separated from the capsule endoscope because the positive pressure is larger than the friction force;
8. after the sampling is completed, the capsule endoscope continues to photograph and detect in the body.
Compared with the prior art, the capsule endoscope device provided by the utility model has the advantages that the pump 2 which is in fluid communication with the sampling port is arranged in the shell 1, the liquid outside the shell 1 is pumped into the pump 2, the connecting component 3 is connected to the capsule endoscope, and the collected liquid is conveyed to the outside of the body through the connecting pipe 32 of the connecting component 3. Through such sampling mode, need not to set up the sampling storehouse in the capsule endoscope, reduced the inside volume of casing 1, be convenient for swallow, and pump 2 sets up in casing 1, can guarantee the normal work of pump 2, and connecting pipe 32 is only responsible for carrying liquid, and connecting pipe 32 is difficult to block up, improves the success rate of sampling, has that the product size is little, be convenient for swallow, advantage that the sampling success rate is high.
Finally, it is noted that the above-mentioned embodiments illustrate rather than limit the utility model, and that those skilled in the art will be understood that various changes in form and details may be made therein without departing from the scope of the utility model as defined by the appended claims.