CN211243272U

CN211243272U - Endoscope

Info

Publication number: CN211243272U
Application number: CN201921744238.XU
Authority: CN
Inventors: 陈威威
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2020-08-14
Anticipated expiration: 2029-10-17

Abstract

The embodiment of the utility model discloses an endoscope, which belongs to the technical field of medical instruments and comprises a main endoscope body and an image transmission device, wherein a wheel disc is rotatably arranged at the tail end of the main endoscope body, a flexible sleeve is arranged at the head end of the main endoscope body, two first traction cables which are symmetrically arranged are fixedly arranged on the inner wall of a pipe orifice of the flexible sleeve, and the other end of each first traction cable is fixedly arranged on the wheel disc; the image transmission device comprises an operation sheath, a sliding block is arranged in the operation sheath in a sliding mode, a leading-in pipe matched with the catheter is arranged at the head end of the operation sheath, a flexible insertion pipe is connected to the end portion of the leading-in pipe, a second traction cable is fixedly arranged on the inner wall of a port of the flexible insertion pipe, the other end of the second traction cable is fixedly arranged on the sliding block, and an instrument channel communicated with the flexible insertion pipe and the tail end of the operation sheath is arranged on the sliding block. The embodiment of the utility model provides a solve the problem that the inserted biography image apparatus angle of turning is limited among the prior art, be difficult to press close to the focus, the wide application is in the internal medicine is clinical.

Description

Endoscope

Technical Field

The embodiment of the utility model provides an relate to medical instrument technical field, concretely relates to endoscope.

Background

The endoscope is a detection instrument integrating traditional optics, ergonomics, precision machinery, modern electronics, mathematics and software into a whole. The mirror is characterized in that an instrument channel in the insertion part of the mirror and an image transmission system (the fiberscope is an optical fiber, and the electronic mirror is a CCD or a CMOS), and the tail end of the illumination system (generally the optical fiber or an LED lamp) is fixed at the tip part of the topmost end of the mirror. Therefore, the insertion part of the mirror can only make one effective turn when the operation part of the mirror is adjusted, and the soft mirror structure can play a role in examination and treatment in human organs which are easy to reach. However, some organs of human body, such as cholepancreatic duct and gallstone, are not reached or are not reached efficiently in the examination and treatment of gallstone in kidney infrarenal calyx.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides an endoscope to solve the problem that the inserted image transmission instrument in the prior art has limited bending angle and is difficult to be close to the focus.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:

according to the embodiment of the utility model, an endoscope is provided, including the main mirror body and biography image device, the tail end of the main mirror body is rotated and is installed the rim plate, fixed mounting has the handle on the rim plate, the handle stretches out the main mirror body, the head end of the main mirror body is installed flexible sleeve, is located fixed mounting has two first haulage cables of symmetry setting on the mouth of pipe inner wall of flexible sleeve, the other end fixed mounting of first haulage cable is in on the rim plate, and two the first haulage cable is located the tip symmetry setting on the rim plate, be equipped with the pipe in the main mirror body, pipe one end is connected flexible sleeve, and the other end stretches out from the tail end of the main mirror body; the image transmission device comprises an operation sheath, a sliding block is arranged in the operation sheath in a sliding mode, a first opening groove and a second opening groove are formed in the operation sheath, the first open groove and the second open groove are arranged in parallel and are consistent with the axial direction of the operation sheath, a locking screw is arranged in the first open groove in a constrained manner and is in threaded connection with the sliding block, a guide rod is arranged in the second open groove in a sliding manner, one end of the guide rod is fixed on the sliding block, the other end of the guide rod extends out of the second open groove, the head end of the operation sheath is provided with an introducing pipe matched with the guide pipe, the end part of the introducing pipe is connected with a flexible inserting pipe, a second traction cable is fixedly arranged on the inner wall of the port of the flexible insertion tube, the other end of the second traction cable is fixedly arranged on the positioner, and an instrument channel communicated with the flexible insertion tube and the tail end of the operation sheath is arranged on the positioner.

Further, the locator include slidable mounting in slider in the operation sheath, be equipped with first uncovered groove and the uncovered groove of second on the operation sheath, first uncovered groove and the uncovered groove parallel arrangement of second and all with the axial direction of operation sheath is unanimous, locking screw is installed in the restraint of first uncovered inslot, locking screw with slider threaded connection, slidable mounting has the guide bar in the uncovered inslot of second, guide bar one end is fixed in on the slider, the other end stretches out the uncovered groove of second, the other end fixed mounting of second haulage cable in on the slider, the apparatus passageway is located on the slider, the slider with the tail end clamp pressure of operation sheath has reset spring.

Furthermore, a tee joint is arranged on the guide pipe, a perfusion tube is installed at a side port of the tee joint, and the perfusion tube extends out of the main mirror body.

Furthermore, the tail end of the main mirror body is connected with a fastening body, the fastening body is provided with a central through hole matched with the lead-in pipe, at least one tensioning groove communicated with the central through hole is formed in the fastening body, the outer surface of the fastening body is provided with taper, the sectional area of one end, far away from the main mirror body, of the fastening body is smaller than the sectional area close to one end of the main mirror body, and the outer surface of the fastening body is in threaded connection with a fastening nut.

Furthermore, a rubber connecting sleeve is installed at the head end of the main mirror body and extends to the outer surface of the flexible sleeve.

Furthermore, a hand-holding ring is fixed on the operation sheath, and the hand-holding ring is close to the tail end of the operation sheath.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the embodiment of the utility model provides a can change flexible sleeve mouth of pipe direction through first traction cable, can change the mouth of pipe direction of flexible insert tube through the second traction cable to the flexible insert tube can also be for the rotation of flexible sleeve, thereby changes the angular position of flexible insert tube mouth of pipe in flexible sleeve, can make the biography image apparatus in the flexible insert tube be close the focus more, is convenient for observe openly, treat or get the biopsy.

(2) The embodiment of the utility model provides a rubber adapter sleeve is installed to main mirror body head end, and the rubber adapter sleeve has elastic deformation volume, can make the internal stress that flexible sleeve warp obtain the release, has improved flexible sleeve's deformation stability.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of the main mirror body in the embodiment of the present invention;

FIG. 3 is a schematic structural diagram of an image transmission device according to an embodiment of the present invention;

fig. 4 is a state diagram of the embodiment of the present invention;

fig. 5 is another state diagram of the embodiment of the present invention;

in the figure: 1. a main mirror body; 2. a flexible sleeve; 3. a flexible insertion tube; 4. a rubber connecting sleeve; 5. a handle; 6. a fastening body; 7. an introducing pipe; 8. operating the sheath; 9. a guide bar; 10. locking the screw; 11. a hand-held ring; 12. an irrigation pipe; 13. a wheel disc; 14. a conduit; 15. a first traction cable; 16. a tee joint; 17. a central through hole; 18. fastening a nut; 19. a tension groove; 20. a second traction cable; 21. a slider; 22. a return spring; 23. a first open slot; 24. a second open slot; 25. image transmission optical fiber; 26. an eyepiece; 27. a light guide optical fiber.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present specification, the terms "front", "rear", "left", "right", "inner", "outer" and "middle" are used for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes.

As shown in fig. 1 and fig. 2, an endoscope is provided in the embodiments of the present invention, which comprises a main endoscope 1 and an image transmission device, wherein a wheel disc 13 is rotatably installed at the tail end of the main endoscope 1, the wheel disc 13 is a disc-shaped structure and is rotatably installed on the main endoscope 1 through a central shaft and bearing combination, a handle 5 is fixedly installed on the wheel disc 13, the handle 5 extends out of the main endoscope 1, so that an operator can rotate the wheel disc 13 from the outside of the main endoscope 1 through rotating the handle 5, a flexible sleeve 2 is installed at the head end of the main endoscope 1, two first pulling cables 15 symmetrically installed on the inner wall of the tube orifice of the flexible sleeve 2, the other ends of the first pulling cables 15 are fixedly installed on the wheel disc 13, and the two first pulling cables 15 are symmetrically arranged on the end of the wheel disc 13, when the wheel disc 13 rotates, the two first pulling cables 15 can pull the tube orifice of the flexible sleeve 2, the flexible sleeve 2 is pulled according to different lengths of the two first pulling cables 15 to change the tube, of course, four first traction cables 15 can be arranged, two wheel discs 13 are arranged, the end parts of two first traction cables 15 are arranged on the flexible sleeve 2 and one wheel disc 13, the end parts of the other two first traction cables 15 are arranged on the flexible sleeve 2 and the other wheel disc 13, so as to realize more angle changes of the pipe orifice of the flexible sleeve 2, a guide pipe 14 is arranged in the main mirror body 1, one end of the guide pipe 14 is connected with the flexible sleeve 2, the other end of the guide pipe 14 extends out from the tail end of the main mirror body 1, and the axis of the guide pipe 14 is parallel to the surface of the wheel disc 13; as shown in fig. 3 and 4, the image transmission device includes an operation sheath 8, a positioner is slidably mounted in the operation sheath 8, specifically, the positioner includes a slider 21 slidably mounted in the operation sheath 8, the operation sheath 8 is provided with a first open groove 23 and a second open groove 24, the first open groove 23 and the second open groove 24 are arranged in parallel and are consistent with the axial direction of the operation sheath 8, a locking screw 10 is captively mounted in the first open groove 23, specifically, the threaded section diameter of the locking screw 10 is adapted to the width of the first open groove 23, the area of the end of the locking screw 10 is larger than the width of the first open groove 23, so that the end of the locking screw 10 after being screwed tightly can abut against the outer surface of the operation sheath 8, the locking screw 10 is in threaded connection with the slider 21, a guide rod 9 is slidably mounted in the second open groove 24, one end of the guide rod 9 is fixed on the slider 21, and the other end of the guide rod extends out of the second open groove 24, under the action of the guide rod 9, the slide block 21 can only slide in the operation sheath 8, the locking screw 10 is loosened, the position of the slide block 21 in the operation sheath 8 can be adjusted, the head end is bent to form an angle, after the position is determined, the locking screw 10 is screwed, the position of the slide block 21 can be fixed at the position, the slide block 21 and the tail end of the operation sheath 8 are clamped and pressed by a return spring 22, after the operation is completed, the locking screw 10 is loosened, the bent angle of the head end is reset under the action of the return spring 22, the head end of the operation sheath 8 is provided with an introducing pipe 7 matched with the guide pipe 14, the end part of the introducing pipe 7 is connected with a flexible inserting pipe 3, a second traction cable 20 is fixedly arranged on the inner wall of a port of the flexible inserting pipe 3, the other end of the second traction cable 20 is fixedly arranged on the slide block 21, the port bending angle of the flexible inserting pipe 3 can be changed by, the slide block 21 is provided with an instrument channel for communicating the flexible insertion tube 3 with the tail end of the operation sheath 8, an image transmission optical fiber 25 and a light guide optical fiber 27 are usually inserted in the instrument channel, and the image transmission optical fiber 25 penetrates out and then is connected to an ocular 26 to realize image acquisition and transmission of the endoscope for medical staff to observe. The flexible sleeve 2 and the flexible insertion tube 3 are both polycar tubes or flexible connecting tubes, finished products are available on the market, and those skilled in the art can select from the GB3836-2010 or IEC60079 standards, and the details are not described herein. First traction cable 15 and second traction cable 20 all adopt the stainless steel wire preparation, the embodiment of the utility model provides a can change the 2 mouth of pipe directions of flexible sleeve through first traction cable 15, can change the mouth of pipe direction of flexible insert tube 3 through second traction cable 20 to flexible insert tube 3 can also be for the rotation of flexible sleeve tube 2, thereby change the angular position of the 3 mouths of pipe of flexible insert tube in flexible sleeve tube 2, can make the biography in the flexible insert tube 3 like the apparatus and be close the focus more, be convenient for observe openly, treat or get the biopsy.

The catheter 14 is provided with a tee joint 16, a perfusion tube 12 is arranged at a bypass port of the tee joint 16, and the perfusion tube 12 extends out of the main endoscope body 1, so that medical staff can conveniently carry out liquid perfusion when observing the focus.

The tail end of the main mirror body 1 is connected with a fastening body 6, the fastening body 6 is provided with a central through hole 17 matched with the lead-in pipe 7, at least one tensioning groove 19 communicated with the central through hole 17 is formed in the fastening body 6, the fastening body 6 is usually made of rubber materials, the tensioning groove 19 penetrates through the central through hole 17 from the outer surface of the fastening body 6, the fastening body 6 can radially have deformation, the outer surface of the fastening body 6 is provided with taper, the sectional area of one end, far away from the main mirror body 1, of the fastening body 6 is smaller than the sectional area close to one end of the main mirror body 1, the outer surface of the fastening body 6 is in threaded connection with a fastening nut 18, the fastening body 6 can be adjusted to compress the central through hole 17 through rotating the fastening nut 18, the lead-in pipe 7 is fixed on the.

The rubber connecting sleeve 4 is installed at the head end of the main mirror body 1, the rubber connecting sleeve 4 extends to the outer surface of the flexible sleeve 2, the rubber connecting sleeve 4 has elastic deformation, the internal stress of the flexible sleeve 2 in deformation can be released, and the deformation stability of the flexible sleeve 2 is improved.

The operating sheath 8 is fixed with a hand-holding ring 11, the hand-holding ring 11 is close to the tail end of the operating sheath 8, the thumb is inserted into the hand-holding ring 11, and the index finger or the middle finger hooks the guide rod 9, so that the operation of an operator is more convenient.

As shown in figures 1, 4 and 5, when in use, image transmission instruments such as an image transmission optical fiber 25 and a light guide optical fiber 27 are inserted into the instrument channel, the flexible insertion tube 3 and the guide tube 7 are inserted along the insertion catheter 14, the flexible insertion tube 3 penetrates out of the flexible sleeve 2, the flexible sleeve 2 of the main endoscope body 1 has 2-4 directions and can be bent and rotated, when the main endoscope body 1 is fixed with the image transmission instruments to reach the vicinity of a focus, but the position is not ideal and the frontal observation, treatment or biopsy cannot be carried out, the image transmission instruments can be bent by the flexible insertion tube 3 on the basis of the existing angle of the main endoscope body 1 through the main endoscope body 1, the operation sheath 8 extends forwards and is combined with the position change of the slide block 21, so that the image transmission instruments are closer to the focus, and the flexible insertion tube 3 can rotate relative to the main endoscope body 1. Therefore, the embodiment of the utility model provides a can make up out a plurality of angles in the space to the no dead angle that makes the realization focus reachs.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. An endoscope is characterized by comprising a main endoscope body (1) and an image transmission device, wherein a wheel disc (13) is rotatably arranged at the tail end of the main endoscope body (1), a handle (5) is fixedly arranged on the wheel disc (13), the handle (5) extends out of the main mirror body (1), the head end of the main lens body (1) is provided with a flexible sleeve (2), the inner wall of a tube opening of the flexible sleeve (2) is fixedly provided with two first traction cables (15) which are symmetrically arranged, the other end of the first traction cable (15) is fixedly arranged on the wheel disc (13), and the ends of the two first traction ropes (15) positioned on the wheel disc (13) are symmetrically arranged, a guide pipe (14) is arranged in the main endoscope body (1), one end of the guide pipe (14) is connected with the flexible sleeve (2), and the other end of the guide pipe (14) extends out of the tail end of the main endoscope body (1); the image transmission device comprises an operation sheath (8), a positioner is arranged in the operation sheath (8) in a sliding mode, a leading-in pipe (7) matched with the guide pipe (14) is arranged at the head end of the operation sheath (8), a flexible inserting pipe (3) is connected to the end portion of the leading-in pipe (7), a second traction cable (20) is fixedly arranged on the inner wall of a port of the flexible inserting pipe (3), the other end of the second traction cable (20) is fixedly arranged on the positioner, and an instrument channel communicated with the flexible inserting pipe (3) and the tail end of the operation sheath (8) is arranged on the positioner.

2. An endoscope according to claim 1, characterized in that the positioner comprises a slide block (21) slidably mounted in the operation sheath (8), the operation sheath (8) is provided with a first open groove (23) and a second open groove (24), the first open groove (23) and the second open groove (24) are arranged in parallel and are consistent with the axial direction of the operation sheath (8), a locking screw (10) is constrained and mounted in the first open groove (23), the locking screw (10) is in threaded connection with the slide block (21), a guide rod (9) is slidably mounted in the second open groove (24), one end of the guide rod (9) is fixed on the slide block (21), the other end of the guide rod extends out of the second open groove (24), the other end of the second traction cable (20) is fixedly mounted on the slide block (21), the instrument channel is located on the slide block (21), and a return spring (22) is clamped and pressed between the slide block (21) and the tail end of the operation sheath (8).

3. An endoscope according to claim 1 or 2, characterized in that a tee (16) is provided on the guide tube (14), a perfusion tube (12) is mounted at a bypass port of the tee (16), and the perfusion tube (12) extends out of the main endoscope body (1).

4. The endoscope of claim 3, wherein a fastening body (6) is connected to the tail end of the main endoscope body (1), the fastening body (6) has a central through hole (17) matched with the introducing pipe (7), at least one tensioning groove (19) communicated with the central through hole (17) is formed in the fastening body (6), the outer surface of the fastening body (6) is provided with a taper, the cross-sectional area of one end of the fastening body (6) far away from the main endoscope body (1) is smaller than that of one end close to the main endoscope body (1), and a fastening nut (18) is in threaded connection with the outer surface of the fastening body (6).

5. The endoscope according to claim 4, characterized in that the rubber connecting sleeve (4) is mounted at the head end of the main endoscope body (1), and the rubber connecting sleeve (4) extends to the outer surface of the flexible sleeve (2).

6. An endoscope according to claim 5, characterized in that a grip ring (11) is fixed to the operating sheath (8), said grip ring (11) being close to the tail end of the operating sheath (8).