Endoscopic Ultrasonic Probe Device

Abstract

The present invention relates to an ultrasonic probe device for an endoscope device that is coupled to the tip of a tube of the endoscope device and generates ultrasonic inspection information. The present invention provides an ultrasonic probe device for an endoscope device, including: a tube mounting portion mounted on the tip of a tube of the endoscope device; and an ultrasonic module coupled to the tube mounting portion and generating ultrasonic inspection information.

Description

Technical Field

[0001] The present invention relates to an ultrasonic probe device for an endoscope apparatus. More specifically, the present invention relates to an ultrasonic probe device for an endoscope apparatus that is coupled to the tip of a tube of the endoscope apparatus and generates ultrasonic inspection information.

Background Art

[0002] A general endoscopy can observe the mucosal layer of the digestive tract, but has the disadvantage that it is difficult to observe the submucosal layer, muscular layer, etc. under the mucosa of the digestive tract. To solve such a disadvantage, endoscopic ultrasonography is utilized.

[0003] However, endoscopic ultrasound equipment is very expensive and is equipped with endoscopic ultrasound only in medical institutions above general hospitals, and there is a disadvantage that the accessibility to medical care is poor.

[0004] U.S. Patent No. 10363014 presents an ultrasonic assembly attached to an endoscope, but there are problems that the structure of the ultrasonic assembly is complex and the distance from the tip of the endoscope tube to the ultrasonic module is relatively long. Also, when using a needle, there is a disadvantage that ultrasonic images and optical images cannot be obtained.

Summary of the Invention

Problems to be Solved by the Invention

[0005] An object of the present invention is to provide an ultrasonic probe device for an endoscope apparatus that is detachable from the tip of the tube of the endoscope apparatus and has a simple structure.

Means for Solving the Problems

[0006] The present invention provides an ultrasonic probe device for an endoscope apparatus including: a tube mounting portion mounted on the tip of a tube of the endoscope apparatus; and an ultrasonic module coupled to the tube mounting portion and generating ultrasonic inspection information.

[0007] In one embodiment, the tube mounting portion may be configured to cover an outer portion of the end face of the tube in a form that exposes the end face of the tube.

[0008] In one embodiment, the ultrasonic module may be provided so as to protrude in front of the end face of the tube.

[0009] Further, the ultrasonic module may be formed so as to expose an objective lens, a nozzle, and an optical guide provided on the end face of the tube to the front.

[0010] In one embodiment, the ultrasonic probe device for an endoscope apparatus according to the present invention may further include an insert portion provided in the tube mounting portion or the ultrasonic module and inserted into the common channel of the tube.

[0011] In one embodiment, the insert portion may be configured to close the common channel.

[0012] In one embodiment, the insert portion may be in contact with a part of the inner peripheral surface of the common channel and formed smaller than the inner diameter of the common channel.

[0013] In one embodiment, a sleeve coupled to the outer peripheral surface of the tube and the edge of the tube mounting portion may be further provided so as to fix the end of the tube mounting portion to the outer peripheral surface of the endoscope tube.

[0014] In one embodiment, the ultrasonic module may include a transducer that generates an ultrasonic signal, receives a signal reflected by an organ, and generates the ultrasonic inspection information, a reflector that reflects the ultrasonic signal and the reflected signal, and a motor that rotationally drives the reflector.

[0015] In one embodiment, the internal space of the ultrasonic module may be filled with a medium for transmitting ultrasonic waves.

[0016] In one embodiment, a sealing member for sealing the internal space may be provided on the motor body of the motor or the drive shaft of the motor.

[0017] In one embodiment, a partition wall for partitioning the internal space is provided, and the driving force of the motor can be transmitted to the reflector by magnetic force.

[0018] In one embodiment, it may further include a lead-out cable connected to the ultrasonic module and extending to the common channel of the tube.

[0019] The ultrasonic probe device according to the present invention includes a main body including the tube mounting portion and a main housing formed to protrude on one side of the tube mounting portion. The rotational drive unit including the motor is housed in the main housing, an ultrasonic module body is coupled to the opening portion of the main housing, the reflector assembly including the reflector is housed in the ultrasonic module body, the transducer is provided on one side of the reflector assembly, and the driving force of the rotational drive unit may be transmitted to the reflector assembly by magnetic force so that the reflector assembly is configured to be rotatable.

[0020] In one embodiment, a through hole through which a wire for driving the rotational drive unit and the transducer is drawn out may be formed on the bottom surface of the main housing.

[0021] In one embodiment, the rotational drive unit may include a motor and a drive-side magnet coupled to the drive shaft of the motor.

[0022] Further, the rotational drive unit may include a flexible substrate to which the terminals of the motor are coupled and which is provided with a motor drive wire for driving the motor.

[0023] Further, the terminals may be coupled to the flexible substrate by soldering.

[0024] Further, the flexible substrate can be adhered to the main body of the motor by an adhesive portion.

[0025] In one embodiment, a magnetic shielding portion may be provided between the motor and the drive-side magnet.

[0026] In one embodiment, the ultrasonic module body may include an insertion end portion coupled to the main housing.

[0027] In one embodiment, the ultrasonic module body includes a reflector assembly accommodation space for accommodating the reflector assembly, and a reflector assembly support shaft for rotatably supporting the reflector assembly may be formed on the bottom surface of the reflector assembly accommodation space.

[0028] Further, the reflector assembly may include a driven-side magnet coupled to the bottom surface of the reflector.

[0029] Further, a transducer housing for accommodating the transducer may be coupled to the upper end of the ultrasonic module body.

[0030] Further, a sealing member may be provided at a coupling portion of the transducer housing to the ultrasonic module body.

[0031] Further, the transducer includes a transducer wire, and a wire guide through which the transducer wire passes may be formed in the ultrasonic module body.

[0032] Further, the ultrasonic probe device may further include a cap coupled to the ultrasonic module body so as to cover an upper portion of the transducer housing.

Advantages of the Invention

[0033] According to the present invention, a disposable ultrasonic probe device that can be attached to and detached from the tip of a tube of an endoscope device is provided.

[0034] The ultrasonic probe device according to the present invention has an advantage that it can obtain ultrasonic inspection information of the digestive organ from which the optical image is obtained while not interfering with the acquisition of the optical image of the endoscope device.

[0035] In addition, the ultrasonic probe device according to the present invention can utilize a common channel formed in the tube of the endoscope device to connect the cables necessary for control and communication to the outside of the endoscope device.

[0036] Further, according to an embodiment of the present invention, there is an effect that the operating safety of the components and drive elements constituting the ultrasonic probe device is improved.

Brief Description of the Drawings

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Embodiments for Carrying Out the Invention

[0039] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. First, when attaching reference numerals to the components of each drawing, it should be noted that the same components are given the same reference numerals as much as possible even if they are shown on other drawings. Further, when explaining the present invention, if it is determined that a specific explanation of a related known configuration or function may obscure the gist of the present invention, the detailed explanation thereof will be omitted. Hereinafter, preferred embodiments of the present invention will be described, but the technical idea of the present invention is not limited or restricted thereto, and it goes without saying that it can be modified and variously implemented by those skilled in the art.

[0040] In addition, the configurations of the ultrasonic probe devices described by the following examples can be combined with each other.

[0041] FIG. 1 is a perspective view showing a state in which an ultrasonic probe device according to a first embodiment of the present invention is coupled to the tip of an endoscope tube, and FIG. 2 is a rear perspective view of the ultrasonic probe device according to the first embodiment of the present invention. Further, FIG. 3 is a front view showing a state in which the ultrasonic probe device according to the first embodiment of the present invention is coupled to the tip of the endoscope tube.

[0042] The ultrasonic probe device 10 according to the first embodiment of the present invention is coupled to the tip of the tube 1 of the endoscope.

[0043] The endoscope tube 1 is made of a flexible material. An objective lens 3 for acquiring an image, a nozzle 5 for injecting air or water, an optical guide 7 for irradiating light, and a common channel 9 are formed on the end face 2 of the tube 1. The common channel 9, also referred to as a biopsy channel or an instrument channel, is a passage through which instruments for biopsy and treatment enter and exit.

[0044] The ultrasonic probe device 10 includes a tube mounting portion 20 mounted on the tip portion of the tube 1 and an ultrasonic module 30 formed to protrude forward from the tube mounting portion 20. Further, the ultrasonic probe device 10 may include an insert portion 32 formed to protrude rearward of the ultrasonic module 30 and inserted into the common channel 9 of the tube 1.

[0045] In one embodiment, the tube mounting portion 20 may be configured to cover the outer peripheral surface of the tube 1 and the outer portion of the end face 2 of the tube 1. The tube mounting portion 20 is configured not to block the objective lens 3, the nozzle 5, the optical guide 7, and the common channel 9 formed on the end face 2 of the tube 1 in a state of being coupled to the tube 1. The tube mounting portion 20 may include an annular ring portion 22 coupled so as to surround the tip outer peripheral surface of the tube 1 and a stepped portion 24 extended at one end of the ring portion 22 and formed to cover a part of the outer side of the end face 2 of the tube 1.

[0046] The ultrasonic module 30 is coupled to the tube mounting portion 20, radiates internal ultrasonic signals to the outside, and receives ultrasonic waves reflected by human organs. The ultrasonic module 30 may be integrally formed with the tube mounting portion 20. The ultrasonic module 30 is preferably arranged so as not to block the objective lens 3, the nozzle 5, and the optical guide 7 provided on the end face 2 of the tube 1. Accordingly, while acquiring ultrasonic inspection information by the ultrasonic module 30, an optical image can be acquired through the objective lens 3.

[0047] The insert portion 32 protruding from the rear surface of the ultrasonic module 30 is inserted into the common channel 9 of the tube 1. In one embodiment, the insert portion 32 may be configured to close the common channel 9. The insert portion 32 is provided with a lead-out cable 34 so as to be exposed. The lead-out cable 34 can be extended to the outside of the operation portion of the endoscope device through the common channel 9. That is, the lead-out cable 34 can be extended to the operation portion side opening of the tube 1 through the common channel 9. When the insert portion 32 is configured to close the common channel 9, there is an advantage that contamination inside the common channel 9 can be prevented when inspecting with the endoscope. Further, since the lead-out cable 34 is extended to the outside of the operation portion of the endoscope device through the common channel 9, there is an advantage that it is not necessary to configure the cable for the ultrasonic module to be exposed on the outer peripheral surface side of the tube 1. On the other hand, in the implementation of the present invention, the insert portion 32 may be coupled to the tube mounting portion 20 and provided.

[0048] Further, in the implementation of the present invention, it is also possible to connect the lead-out cable 34 led out by the ultrasonic module 30 to the outside through the common channel 9 without providing the insert portion 32.

[0049] FIG. 4 is a drawing showing a first embodiment of an ultrasonic probe device according to the first embodiment of the present invention (a cross-section taken along line A-A' in FIG. 2), and FIG. 5 is a cross-sectional view showing a state in which the ultrasonic probe device according to the first embodiment of the present invention is coupled to the tip of an endoscope tube.

[0050] The ultrasonic module 30 includes a transducer 40 that generates an ultrasonic signal, receives a signal reflected by an organ, and generates ultrasonic inspection information, a reflector 38 that radiates the ultrasonic signal generated by the transducer 40 to the outer peripheral surface of the ultrasonic module 30 and transmits the signal reflected by the organ to the transducer 40, and a motor 36 that rotationally drives the reflector 38. The reflector 38 can be connected to the drive shaft 37 of the motor 36 and rotationally driven. On the other hand, the lead-out cable 34 may include a motor control cable 34a for the motor 36 and a transducer cable 34b for the transducer 40.

[0051] The ultrasonic module 30 is arranged in a form substantially parallel to the central axis of the tube 1, and by rotating the reflector 38 along the outer peripheral direction of the outer peripheral surface of the ultrasonic module 30, ultrasonic inspection information regarding the inner wall of the organ can be acquired.

[0052] On the other hand, the internal space 42 of the ultrasonic module 30 through which the ultrasonic wave passes can be filled with a medium for facilitating the transmission of the ultrasonic wave. As the medium, oil, water-oil emulsion, aqueous gel, etc. can be used.

[0053] In the embodiment shown in FIG. 4, the transducer 40, the reflector 38, and the motor 36 are shown as a configuration for acquiring ultrasonic inspection information, but in the practice of the present invention, it is also possible to replace them with an ultrasonic probe arranged in an array form.

[0054] FIG. 6 is a drawing showing a second embodiment of an ultrasonic module as a cross-sectional view (A-A' cross-section of FIG. 2) of an ultrasonic probe device according to a first embodiment of the present invention, and FIG. 7 is a drawing showing a sealing member provided in the ultrasonic module of the ultrasonic probe device shown in FIG. 6.

[0055] Referring to FIG. 6, a sealing member 43 may be provided between the outer peripheral surface of the motor 36 and the inner wall surface forming the internal space 42 of the ultrasonic module 30. The sealing member 43 can prevent the medium for transmitting ultrasonic waves filled in the internal space 42 from leaking to the main body side of the motor 36. Referring to FIG. 7, the sealing member 43 may include an annular sealing portion main body 44 configured to surround the motor 36 and an O-ring 48 inserted into a groove 46 formed in the lateral direction of the sealing portion main body 44.

[0056] FIG. 8 is a drawing showing a third embodiment of an ultrasonic module as a cross-sectional view (A-A' cross-section of FIG. 2) of an ultrasonic probe device according to a first embodiment of the present invention.

[0057] Referring to FIG. 8, the sealing member 43' may also be provided so as to surround the drive shaft 37 of the motor 36.

[0058] FIG. 9 is a drawing showing a fourth embodiment of an ultrasonic module as a cross-sectional view (A-A' cross-section of FIG. 2) of an ultrasonic probe device according to a first embodiment of the present invention.

[0059] Referring to FIG. 9, the internal space of the ultrasonic module 30 is partitioned by a partition wall 60. A motor 36 may be provided on one side of the partition wall 60, and a reflector 38 and a transducer 40 may be provided on the other side of the partition wall 60. The internal space 42 of the portion where the reflector 38 and the transducer 40 are located can be filled with a medium for transmitting ultrasonic waves.

[0060] A drive-side magnet 62 is provided on the drive shaft of the motor 36, and a driven-side magnet 64 is provided on the driven shaft of the reflector 38. When the drive-side magnet 62 rotates, the driven-side magnet 64 rotates by magnetic force, enabling the reflector 38 to be rotationally driven.

[0061] FIG. 10 is a perspective view of an ultrasonic probe device according to a second embodiment of the present invention, and FIG. 11 is a cross-sectional view of a mounting member provided in the ultrasonic probe device according to the second embodiment of the present invention (section B-B' in FIG. 10).

[0062] The ultrasonic probe device 10 according to the second embodiment of the present invention is characterized by further including a cover member 50. The cover member 50 may be made of a silicon material. The cover member 50 can be provided in a form surrounding the ring portion 22 of the tube mounting portion 20. The cover member 50 can perform a function of applying frictional force so that the probe device 10 is stably fixed to the outer peripheral surface of the tube 1. The cover member 50 is provided with a groove portion 54 into which the ring portion 22 is inserted, and protrusions 52 may be formed on the inner surface of the cover member 50 that abuts against the tube 1.

[0063] The cover member 50 may be separately configured and attached to the ring portion 22, or may be integrally formed with the ring portion 22 in an insert molding form.

[0064] However, when the material of the ring portion 22 is made of a flexible material having frictional force, such as silicon, the cover member 50 may not be provided separately.

[0065] FIG. 12 is a perspective view showing a state in which an ultrasonic probe device according to a third embodiment of the present invention is coupled to the tip of an endoscope tube, and FIG. 13 is a cross-sectional view showing the ultrasonic probe device according to the third embodiment of the present invention coupled to the tip of the endoscope tube.

[0066] The ultrasonic probe device 100 according to the third embodiment of the present invention includes a tube mounting portion 120 that contacts one side of the tip of the tube 1, an ultrasonic module 130 formed to protrude forward from the tube mounting portion 120, and an insert portion 132 that protrudes rearward of the ultrasonic module 130 and is inserted into the common channel 9 of the tube 1. In the insert portion 132, the lead-out cable 134 is exposed to the outside. The configuration of the ultrasonic module 130 is the same as the configuration of the ultrasonic module 30 described in the first embodiment.

[0067] The tube mounting portion 120 may include a tube outer support portion 122 that contacts one side of the outer peripheral surface of the tip of the tube 1, and a tube end surface support portion 124 that extends from the tube outer support portion 122 and contacts the end surface 2 of the tube 1. When the insert portion 132 is inserted into the common channel 9 while the tube mounting portion 120 is supported on one side of the tip of the tube 1, the ultrasonic probe device 100 can be stably fixed to the tip of the tube 1. It is also possible to further provide a cover member that surrounds the tube mounting portion 120 in the same manner as the cover member 50 shown in FIG. 10.

[0068] FIG. 14 is a perspective view showing a state in which the ultrasonic probe device according to the fourth embodiment of the present invention is coupled to the tip of the endoscope tube, and FIG. 15 is a cross-sectional view showing a state in which the ultrasonic probe device according to the fourth embodiment of the present invention is coupled to the tip of the endoscope tube.

[0069] The ultrasonic probe device 200 according to the fourth embodiment of the present invention includes a tube mounting portion 220 that contacts one side of the tip of the tube 1, an ultrasonic module 230 formed to protrude forward from the tube mounting portion 220, and a sleeve 210 that supports the connection of the tube mounting portion 220 to the tip of the tube 1.

[0070] In one embodiment, the sleeve 210 may be closely coupled to the tube 1 and may be made of a flexible material. Examples of such materials include silicon. Even when the tube mounting portion 220 of the ultrasonic probe device 200 is made of a more rigid plastic material than the sleeve 210, the ultrasonic probe device 200 can be securely fixed to the tube 1.

[0071] The tube mounting portion 220 includes an annular ring portion 222 coupled to surround the outer peripheral surface of the tip of the tube 1, and a stepped portion 224 that extends at one end of the ring portion 222 and forms a step to cover an outer part of the end face 2 of the tube 1. Further, the tube mounting portion 220 is formed with a fitting protrusion portion 226 that extends at the other end of the ring portion 222.

[0072] The sleeve 210 includes a cylindrical sleeve body 212 mounted on the outer peripheral surface of the tube 1, and a fitting accommodation portion 214 formed on one side of the sleeve body 212. The fitting protrusion portion 226 formed on the ring portion 222 of the ultrasonic probe device 200 is coupled to the fitting accommodation portion 214 of the sleeve 210 so that the ultrasonic probe device 200 is securely coupled to the tube 1.

[0073] On the other hand, the positions of the fitting protrusion portion 226 and the fitting accommodation portion 214 may be changed with respect to each other, and a fitting protrusion portion may be provided on one side of the sleeve body, and a fitting accommodation portion may be provided on the other side of the ring portion.

[0074] In the fourth embodiment of FIGS. 14 and 15, different from the first embodiment shown in FIG. 1, it is shown that the insert portion 32 is not provided, and the lead cable 234 drawn out by the ultrasonic module 230 is connected to the outside through the common channel 9. However, in the implementation of the present invention, it is of course possible to configure the ultrasonic probe device 200 according to the fourth embodiment to include the insert portion 32.

[0075] FIG. 16 is a cross-sectional view showing a state in which an ultrasonic probe device according to a fifth embodiment of the present invention is coupled to the tip of an endoscope tube.

[0076] The basic configuration of the ultrasonic probe device 10 according to the fifth embodiment is the same as that of the ultrasonic probe device 10 according to the first embodiment shown in FIG. 1. However, the ultrasonic probe device 10 according to the fifth embodiment is different from the first embodiment in that it includes an insert portion 32' that is inserted into the common channel 9 but does not close the common channel 9. Also, there is a partial difference in that the step portion 24 is formed so as to entirely cover the outer portion of the tip surface of the tube 1.

[0077] In one embodiment, the insert portion 32' can be brought into contact with a part of the inner peripheral surface of the common channel 9.

[0078] Since the insert portion 32' does not close the common channel 9, there is an advantage that measures such as supplying a liquid such as water into the internal organ through the common channel 9 can be taken.

[0079] FIG. 17 is a cross-sectional view showing an ultrasonic probe device according to a sixth embodiment of the present invention coupled to the tip of an endoscope tube.

[0080] The ultrasonic probe device 300 according to the sixth embodiment of the present invention includes a tube mounting portion 320 having a ring portion 322 and a step portion 324 in contact with one side of the tip of the tube 1, an ultrasonic module 330 formed to protrude forward from the tube mounting portion 320, and a sleeve 310 that supports the connection of the tube mounting portion 320 to the tip of the tube 1. The ring portion 322 is provided with a fitting protrusion portion 326, and the sleeve 310 may include a sleeve main body 312 and a fitting accommodation portion 314.

[0081] The tube mounting portion 320 may further include an insert portion 332 that extends into the common channel 9 of the tube 1 and is coupled to a part inside the common channel 9.

[0082] In the sixth embodiment, the lead-out cable 334 connected to the ultrasonic module 330 is different in that it extends along the outside of the tube 1 toward the operation unit side of the endoscope device, rather than inside the common channel 9.

[0083] FIG. 18 is a perspective view showing a state where an ultrasonic probe device according to a seventh embodiment of the present invention is coupled to the tip of an endoscope tube, FIG. 19 is a front view of the ultrasonic probe device according to the seventh embodiment of the present invention, and FIG. 20 is a cross-sectional view of the ultrasonic probe device according to the seventh embodiment of the present invention. Further, FIG. 21 is an exploded perspective view of the ultrasonic probe device according to the seventh embodiment of the present invention, and FIG. 22 is a plan view of the main body of the ultrasonic probe device according to the seventh embodiment of the present invention as viewed from above.

[0084] The ultrasonic probe device 400 according to the seventh embodiment of the present invention includes a main body 410 including a tube mounting portion 412 mounted on the tip portion of the tube 1, and an ultrasonic module coupled to the main body 410. The ultrasonic module may include a rotation drive unit 430, an ultrasonic module body 440, a reflector assembly 450, a transducer housing 460, and a transducer 470, configured to be built-in or coupled to the main body 410. Further, a cap 480 coupled to the upper end of the ultrasonic module body 440 may be provided.

[0085] The main body 410 includes a tube mounting portion 412 mounted on the tip portion of the tube 1, and a main housing 420 formed to protrude substantially forward (substantially in the front direction of the endoscope tube 1) from one side of the tube mounting portion 412.

[0086] The tube mounting portion 412 is coupled to the end of the tube 1 and can be formed in a cylindrical shape corresponding to the outer shape of the tube 1. The tube mounting portion 412 is preferably configured so as not to block at least one of the objective lens 3, the nozzle 5, or the optical guide 7 formed on the end face 2 of the tube 1 in a state where the tube mounting portion 412 is coupled to the tube 1. A locking projection 414 is formed at the end of the tube mounting portion 412 corresponding to the tip of the tube 1, so that the tube mounting portion 412 can be stably coupled to the tip of the tube 1.

[0087] The main housing 420 is coupled to one side of the tube mounting portion 412 and can be formed to have an outer diameter smaller than the outer diameter of the main housing 420. Thereby, structures for the endoscope such as the objective lens 3, the nozzle 5, and the optical guide 7 formed on the end face 2 of the tube 1 can be prevented from being blocked by the main housing 420.

[0088] In one embodiment, the main housing 420 can be configured in a cylindrical shape including a drive unit accommodation space 425 that can accommodate the rotation drive unit 430. On the other hand, an insert portion 422 protruding downward can be provided at the lower part of the main housing 420. The insert portion 422 can be inserted into a hole formed in the endoscope tube 1, for example, the common channel 9. The ultrasonic probe device 400 can be stably coupled to the tip of the tube 1 by coupling the tube mounting portion 412 to the outer peripheral surface of the tip of the tube 1 and inserting the insert portion 422 into a hole such as the common channel 9 formed in the tube 1.

[0089] An ultrasonic module coupling portion 424 can be formed on the side of the upper end opening of the main housing 420.

[0090] The rotation drive unit 430 is coupled with a motor 432 and a drive-side magnet 434 which is a permanent magnet coupled to the drive shaft 433 of the motor 432 and rotates therewith. In one embodiment, the drive-side magnet 434 may be configured in a disk shape having a predetermined thickness, and the drive-side magnet 434 may be coupled to the drive shaft 433 of the motor 432 in a state of being mounted on a magnet tray 435.

[0091] In one embodiment, a flexible substrate 436 coupled to a terminal 431 to which power or an electrical signal for driving the motor 432 is transmitted may be coupled to the motor 432. A motor drive wire 439 coupled to the flexible substrate 436 is led out to the outside of the ultrasonic probe device 400 via a lead-out cable 490.

[0092] Referring to FIG. 22, a through hole 428 penetrating the bottom surface is formed in the bottom surface of the main housing 420, and the lead-out cable 490 can be led out to the lower part of the main housing 420 through the through hole 428. Although the lead-out cable 490 is given a reference numeral as a separate configuration, it goes without saying that the lead-out cable 490 may be an extension of the motor drive wire 439.

[0093] The rotation drive unit 430 is accommodated in the drive unit accommodation space 425 of the main housing 420, and the lower end of the ultrasonic module body 440 is coupled to the ultrasonic module coupling portion 424 of the main housing 420.

[0094] The ultrasonic module body 440 may be configured in a substantially cylindrical shape forming a reflector assembly accommodation space 442, with the lower part closed and the upper part open. An insertion end portion 444 coupled to the ultrasonic module coupling portion 424 of the main housing 420 is formed at the lower end of the ultrasonic module body 440. The ultrasonic module body 440 is formed of a material through which ultrasonic waves can pass.

[0095] Referring to FIG. 20, a recess 445 is formed in the insertion end portion 444, and a convex portion 426 is formed in the ultrasonic module coupling portion 424, so that the ultrasonic module body 440 cannot be easily separated in a state where it is coupled to the main housing 420. Of course, it is also possible that the concave portion 445 and the convex portion 426 are provided by being changed to the ultrasonic module coupling portion 424 and the insertion end portion 444. On the other hand, the inner space 447 of the insertion end portion 444 can be utilized as a space for accommodating the drive-side magnet 434.

[0096] A step 443 may be provided at the inner upper end of the reflector assembly accommodation space 442, and the step 443 functions to support the lower peripheral edge of the mounting ring 464 of the transducer housing 460.

[0097] A wire guide 446 through which the transducer wire 472 passes may be formed along the longitudinal direction in the ultrasonic module body 440. Also, as shown in FIG. 21, a reflector assembly support shaft 449 may protrude from the bottom of the reflector assembly accommodation space 442 of the ultrasonic module body 440.

[0098] The reflector assembly 450 is accommodated in the reflector assembly accommodation space 442 of the ultrasonic module body 440, and the reflector assembly 450 is rotatably supported by the reflector assembly support shaft 449.

[0099] The reflector assembly 450 includes a reflector 452 having an inclined surface for reflecting the ultrasonic wave generated by the transducer 470 toward the ultrasonic module body 440 and reflecting the ultrasonic wave reflected externally to the transducer 470, and a driven-side magnet 454 coupled to the bottom surface of the reflector 452. A support shaft insertion groove 456 into which the reflector assembly support shaft 449 is inserted is formed in the bottom surface of the reflector assembly 450.

[0100] In the reflector assembly housing space 442 of the ultrasonic module body 440 that houses the reflector assembly 450, a medium for transmitting ultrasonic waves can be filled. When the ultrasonic transmission medium is filled, if the drive shaft 433 of the motor 432 is directly coupled to the reflector assembly 450, it may be difficult to provide sealing for preventing leakage of the ultrasonic transmission medium.

[0101] To solve this problem, in the present invention, the motor 432 and the reflector assembly 450 are spatially separated, and the drive-side magnet 434 coupled to the drive shaft 433 of the motor 432 and the driven-side magnet 454 provided on the bottom surface of the reflector assembly 450 are configured to be magnetically coupled. Thus, when the drive-side magnet 434 rotates, the driven-side magnet 454 rotates by magnetic force, enabling the reflector 452 to be rotationally driven.

[0102] A transducer housing 460 having a transducer housing portion 462 for housing a transducer 470 is coupled to the upper end of the ultrasonic module body 440. A mounting ring 464 is provided on the outer peripheral surface of the transducer housing 460, and a sealing member 466 is provided at the lower end portion of the mounting ring 464. Referring to FIG. 20, the transducer housing 460 is coupled to the ultrasonic module body 440 such that the lower end of the mounting ring 464 bears on the step 443 of the ultrasonic module body 440, and the sealing member 466 maintains airtightness to prevent leakage of the ultrasonic transmission medium.

[0103] A transducer 470 is housed in the transducer housing 460, and a cap 480 is coupled to the upper part thereof. A transducer wire 472 coupled to the transducer 470 can be drawn out to the outside of the transducer housing 460 and then drawn out through a wire guide 446 to a through hole 428 formed in the main housing 420.

[0104] The lead cable 490 may integrate the motor drive wire 439 and the transducer wire 472, and in some cases, the motor drive wire 439 and the transducer wire 472 may be extended and tied together.

[0105] FIG. 23 is a drawing showing the assembly process of the rotation drive unit of the ultrasonic probe device according to the seventh embodiment of the present invention.

[0106] Referring to FIG. 23(a), the motor 432 is provided with a drive shaft 433, and the motor 432 is provided with a terminal 431 to which electric power or an electric signal for driving the motor 432 is transmitted.

[0107] Referring to FIG. 23(b), the terminal connection portion 437 of the flexible substrate 436 is connected to the terminal 431 by a method such as soldering. By forming the terminal 431 on the motor 432 and connecting the terminal connection portion 437 of the flexible substrate 436 to the terminal 431, the possibility of wire disconnection and the like is minimized.

[0108] Referring to FIG. 23(c), an adhesive portion 438 is provided on the inner surface of the flexible substrate 436, and the adhesive portion 438 is adhered to the main body of the motor 432. A motor drive wire 439 electrically connected to the terminal 431 is provided on the flexible substrate 436.

[0109] Referring to FIG. 23(d), a drive-side magnet 434 is coupled to the drive shaft 433 of the motor 432 to which the flexible substrate 436 is coupled.

[0110] FIG. 24 is a drawing showing another embodiment of the rotation drive unit of the ultrasonic probe device according to the seventh embodiment of the present invention.

[0111] The drive-side magnet 434 coupled to the motor 432 that forms the rotational drive unit 430 magnetically connects and drives the driven-side magnet 454 of the reflector assembly 450. The magnetic field generated by the drive-side magnet 434 and the driven-side magnet 454 may affect the magnetic force for driving the motor 432. To prevent this, a magnetic shielding portion 492 may be provided at the upper end of the motor 432, that is, at the lower part of the drive-side magnet 434. In one embodiment, the magnetic shielding portion 492 may be made of carbon steel such as SM45C.

[0112] FIG. 25 is a drawing showing the assembly process of the ultrasonic module of the ultrasonic probe device according to the seventh embodiment of the present invention.

[0113] Referring to FIG. 25(a), the reflector assembly 450 is coupled to the reflector assembly accommodation space 442 of the ultrasonic module body 440.

[0114] Referring to FIG. 25(b), the transducer housing 460 is coupled to the upper end of the ultrasonic module body 440 to which the reflector assembly 450 is coupled. The transducer housing 460 may be coupled to the upper end of the ultrasonic module body 440 in a state where the reflector assembly accommodation space 442 of the ultrasonic module body 440 is filled with an ultrasonic transmission medium, or in a state where the ultrasonic module body 440 is immersed in a separate container filled with the ultrasonic transmission medium. At this time, it is preferable that the internal space of the ultrasonic module body 440 is filled with the ultrasonic transmission medium without air bubbles.

[0115] Referring to FIG. 25(c), the transducer 470 is inserted into the transducer housing 460, and the transducer wire 472 is led out through the wire lead-out groove 468 formed at the upper end portion of the transducer housing 460 and passed through the wire guide 446.

[0116] Referring to FIG. 25(d), a cap 480 is coupled to the upper end opening of the ultrasonic module body 440. The cap 480 can be provided to cover the upper open portion of the ultrasonic module body 440 and the upper portion of the wire guide 446.

[0117] FIG. 26 is a drawing showing a state in which an ultrasonic module is coupled to a main body in an ultrasonic probe device according to a seventh embodiment of the present invention.

[0118] With the rotation drive unit 430 coupled to the main housing 420 of the main body 410, an ultrasonic module including the ultrasonic module body 440 is coupled to the upper end of the main housing 420. The transducer wire 472 can be drawn out through a through hole 428 formed in the bottom surface of the main housing 420.

[0119] The ultrasonic probe device 400 according to the present invention can be coupled to the tip of the tube 1 for an endoscope to acquire an ultrasonic image.

[0120] The ultrasonic signal generated by the transducer 470 provided in the ultrasonic module is radiated outward by the rotatably driven reflector 452, and the ultrasonic signal reflected by the human organ is reflected again by the reflector 452 and transmitted to the transducer 470.

[0121] The driving of the motor 432, the generation and reception of ultrasonic signals by the transducer 470 can be controlled via a lead-out cable 490 extending outside the human body along the tube 1.

[0122] According to the present invention, it is possible to acquire an optical image through the objective lens 3 provided on the end face 2 of the tube 1 together with the ultrasonic inspection by the ultrasonic probe device 400.

[0123] FIG. 27 is a perspective view showing another embodiment of the ultrasonic probe device according to the seventh embodiment of the present invention, and FIG. 28 is a perspective view of the main body and the sleeve separated in another embodiment of the ultrasonic probe device according to the seventh embodiment of the present invention.

[0124] Referring to FIGS. 27 and 28, a sleeve 500 may be further provided to securely fix the tube mounting portion 412 of the main body 410 to the endoscope tube 1. The sleeve 500 may be made of a stretchable material such as silicon. In one embodiment, a detachment prevention protrusion 106 is formed at the lower end of the tube mounting portion 412, and a superimposed portion 502 that surrounds the tube mounting portion 412 from the outside is formed on the upper side of the sleeve 500, and a detachment prevention groove 504 into which the detachment prevention protrusion 506 is locked may be formed on the inner peripheral surface of the superimposed portion 502.

[0125] Since the configurations of the ultrasonic probe devices according to the first to seventh embodiments described above may be combined with each other, the ultrasonic probe device can be configured to meet the implementation conditions in the implementation of the present invention.

[0126] The above description merely exemplarily explains the technical idea of the present invention. Those with ordinary knowledge in the technical field to which the present invention pertains should be able to make various modifications, changes, and substitutions without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention and the attached drawings are for the purpose of explanation rather than for limiting the technical idea of the present invention, and the scope of the technical idea of the present invention is not limited by such embodiments and the attached drawings. The protection scope of the present invention should be interpreted by the claims, and all technical ideas within the equivalent scope should be construed as being included in the scope of the rights of the present invention.

Claims

1. A tube mounting portion mounted at the tip of a tube of an endoscope device; and An ultrasonic module coupled to the tube mounting portion and generating ultrasonic inspection information; An ultrasonic probe device for an endoscope device, comprising the above.

2. The tube mounting portion is configured to cover an outer portion of the end face of the tube in a form that exposes the end face of the tube The ultrasonic probe device for an endoscope device according to claim 1, characterized in that.

3. The ultrasonic module is provided so as to protrude in front of the end face of the tube The ultrasonic probe device for an endoscope device according to claim 1, characterized in that.

4. The ultrasonic module is formed so as to expose an objective lens, a nozzle, and an optical guide provided on the end face of the tube to the front The ultrasonic probe device for an endoscope device according to claim 3, characterized in that.

5. Further comprising an insert portion provided in the tube mounting portion or the ultrasonic module and inserted into a common channel of the tube The ultrasonic probe device for an endoscope device according to claim 1, characterized in that.

6. The insert portion is configured to close the common channel The ultrasonic probe device for an endoscope device according to claim 5, characterized in that.

7. The insert portion is in contact with a part of the inner peripheral surface of the common channel and is formed smaller than the inner diameter of the common channel The ultrasonic probe device for an endoscope device according to claim 5, characterized in that.

8. Further provided with a sleeve coupled to the edge of the tube mounting portion and the outer peripheral surface of the tube so as to fix the end of the tube mounting portion to the outer peripheral surface of the endoscope tube The ultrasonic probe device according to claim 1, characterized in that.

9. The ultrasonic module includes a transducer that generates an ultrasonic signal, receives a signal reflected by an organ, and generates the ultrasonic inspection information, a reflector that reflects the ultrasonic signal and the reflected signal, and a motor that rotationally drives the reflector The ultrasonic probe device for an endoscope device according to any one of claims 1 to 8, characterized in that.

10. The internal space of the ultrasonic module is filled with a medium for transmitting ultrasonic waves The ultrasonic probe device for an endoscope device according to claim 9, characterized in that.

11. A sealing member for sealing the internal space is provided on the motor body of the motor or the drive shaft of the motor. The probe device for an endoscope apparatus according to claim 9, characterized in that.

12. A partition wall for partitioning the internal space is provided, and the driving force of the motor is transmitted to the reflector by magnetic force. The probe device for an endoscope apparatus according to claim 9, characterized in that.

13. Further includes a lead-out cable connected to the ultrasonic module and extending into the common channel of the tube. The ultrasonic probe device for an endoscope apparatus according to claim 9, characterized in that.

14. Including a main body including the tube mounting portion and a main housing formed to protrude on one side of the tube mounting portion, The rotary drive unit including the motor is housed in the main housing, An ultrasonic module body is coupled to the opening of the main housing, The reflector assembly including the reflector is housed in the ultrasonic module body, The transducer is provided on one side of the reflector assembly, The driving force of the rotary drive unit is transmitted to the reflector assembly by magnetic force, and the reflector assembly is rotatable. The ultrasonic probe device according to claim 9, characterized in that.

15. A through hole through which wires for driving the rotary drive unit and the transducer are drawn out is formed on the bottom surface of the main housing. The ultrasonic probe device according to claim 14, characterized in that.

16. The rotary drive unit includes a motor and a drive-side magnet coupled to the drive shaft of the motor. The ultrasonic probe device according to claim 14, characterized in that.

17. The rotary drive unit includes a flexible substrate to which the terminals of the motor are coupled and which is provided with motor drive wires for driving the motor. The ultrasonic probe device according to claim 16, characterized in that.

18. The terminals are soldered to the flexible substrate. The ultrasonic probe device according to claim 17, characterized in that.

19. The flexible substrate is adhered to the body of the motor by an adhesive portion. The ultrasonic probe device according to claim 17, characterized in that.

20. A magnetic shielding portion is provided between the motor and the drive-side magnet. The ultrasonic probe device according to claim 16, characterized in that.

21. The ultrasonic module body includes an insertion end portion coupled to the main housing. The ultrasonic probe device according to claim 14, characterized in that.

22. The ultrasonic module body includes a reflector assembly accommodation space for accommodating the reflector assembly, and a reflector assembly support shaft for rotatably supporting the reflector assembly is formed on the bottom surface of the reflector assembly accommodation space. The ultrasonic probe device according to claim 14, characterized in that.

23. The reflector assembly includes a driven-side magnet coupled to the bottom surface of the reflector. The ultrasonic probe device according to claim 22, characterized in that.

24. A transducer housing for accommodating the transducer is coupled to the upper end of the ultrasonic module body. The ultrasonic probe device according to claim 14, characterized in that.

25. A sealing member is provided at the coupling portion of the transducer housing to the ultrasonic module body. The ultrasonic probe device according to claim 24, characterized in that.

26. The transducer includes a transducer wire, and a wire guide through which the transducer wire passes is formed in the ultrasonic module body. The ultrasonic probe device according to claim 24, characterized in that.

27. The ultrasonic probe device according to claim 24, further comprising a cap coupled to the ultrasonic module body so as to cover the upper portion of the transducer housing. The ultrasonic probe device according to claim 24, characterized in that.

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