CN213606261U

CN213606261U - Angle-adjustable type abdominal cavity endoscope

Info

Publication number: CN213606261U
Application number: CN202021931427.0U
Authority: CN
Inventors: 杨炎; 谢斌辉
Original assignee: Gannan Medical University; First Affiliated Hospital of Gannan Medical University
Current assignee: Gannan Medical University; First Affiliated Hospital of Gannan Medical University
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-07-06
Anticipated expiration: 2030-09-07

Abstract

The utility model discloses an angle-adjustable laparoscope, which comprises an operating handle, wherein the rear end of the operating handle is connected with a display, the front end of the operating handle is connected with an insertion tube, the front end of the insertion tube is provided with an angle adjusting tube, and the front end of the angle adjusting tube is connected with a head end structure; the angle adjusting pipe is a flexible pipe, an angle adjusting assembly and a light source are arranged in the angle adjusting pipe, and the angle adjusting assembly is connected with the rear end of the insertion pipe in a sliding mode; the head end structure is internally provided with a shooting assembly and a light guide optical fiber. The utility model of the abdominal cavity endoscope can shoot images at different angles in the abdominal cavity, thereby increasing the operation visual field; the intubation tube takes the abdominal wall as a supporting point, so that the stability is improved, the shaking of pictures is reduced, meanwhile, the interference to other instruments is reduced, and the pain of a patient is relieved; is more beneficial to single-hole operation.

Description

Angle-adjustable type abdominal cavity endoscope

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to an angle-adjustable type laparoscope.

Background

An abdominal cavity endoscope is a surgical instrument with a miniature camera, provides illumination through a cold light source, inserts a lens of a laparoscope into an abdominal cavity, transmits an image shot by the lens of the laparoscope to a signal processing system through an optical fiber by using a digital camera shooting technology, and displays the image on a display so as to assist a doctor to operate the surgical instrument, perform examination inside the abdominal cavity and the like.

The existing abdominal cavity endoscope insertion tube is made of hard materials and cannot be bent, image shooting can be only carried out on the front end part of the insertion tube during operation, if image shooting is carried out on different angles, the position and the direction of the endoscope need to be constantly moved, operation is inconvenient, and pain of a patient is increased.

Disclosure of Invention

To the problem that exists, the utility model aims at providing an endoscope with adjustable angle adjusts the direction of endoscope head structure through the angle modulation pipe, makes it carry out the image shooting to different angles in the abdominal cavity, makes the operation field of vision bigger.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides an angle-adjustable type laparoscope, includes operating handle, operating handle's rear end is connected with the display, operating handle's front end is connected with intubate, its characterized in that: the front end of the insertion pipe is provided with an angle adjusting pipe, and the front end of the angle adjusting pipe is connected with a head end structure;

the angle adjusting pipe is a flexible pipe, an angle adjusting assembly and a light source are arranged in the angle adjusting pipe, and the angle adjusting assembly is connected with the rear end of the insertion pipe in a sliding mode;

the head end structure is internally provided with a shooting assembly and a light guide optical fiber.

Further, the angle adjusting assembly comprises a first mounting pipe, a second mounting pipe and a third mounting pipe which are respectively arranged at the upper part, the lower part and the front end of the inner side of the angle adjusting pipe;

the top end of the third mounting pipe is communicated with the front end of the first mounting pipe, and the inner side of the joint is connected with a fillet; the bottom end of the third mounting pipe is communicated with the front end of the second mounting pipe, and the bottom of the third mounting pipe is provided with a fixed pulley;

an extension spring is fixedly arranged in the first installation pipe, and the length of the extension spring in a balanced state is the same as that of the first installation pipe; the front end of the extension spring is connected with an extension rope with an invariable length, and the extension rope sequentially passes through the third installation pipe and the second installation pipe and is matched with the fixed pulley.

Further, the bottom of intubate is equipped with the fourth installation pipe, the rear end of tensile rope passes be connected with fixed slider behind the fourth installation pipe, fixed slider is located in the intubate, fixed slider's bottom is equipped with the slip ring, the slip ring runs through the intubate, just the bottom that the intubate is close to rear end department be equipped with slider assorted trompil.

Furthermore, the first installation pipe and the second installation pipe are flexible pipes made of the same material as the angle adjusting pipe; the third installation pipe is a rigid pipe, and a light source is arranged at the center of the front end of the third installation pipe.

Further, the shooting assembly comprises a high-definition objective lens and a camera.

The utility model has the advantages that: compared with the prior art, the utility model has the improvement that,

1. the utility model discloses set up angle modulation pipe on the intubate of abdominal cavity speculum, through the direction of tensile effect angle modulation pipe of tensile rope to the extension spring to the head end structure angle that makes the angle modulation pipe front end changes thereupon, can realize carrying out the image shooting to the different angles in the abdominal cavity, the increase operation field of vision.

2. After the abdominal cavity endoscope of the utility model is inserted into the abdominal cavity along the abdominal wall, the extension spring is only required to be extended by moving the sliding ring, so that different angle adjustments of the angle adjusting tube can be realized, the intubation tube takes the abdominal wall as a supporting point, which is more stable, reduces the shaking of pictures, simultaneously, also reduces the interference to other instruments, and relieves the pain of patients; is more beneficial to single-hole operation.

Drawings

Fig. 1 is a schematic view of the structure of the laparoscope of the present invention.

Fig. 2 is the internal structure schematic diagram of the angle adjusting pipe of the present invention in the horizontal state.

Fig. 3 is the schematic view of the internal structure of the angle adjusting pipe of the present invention in a bending state.

Fig. 4 is a side view of the front end structure of the angle adjusting tube of the present invention.

Fig. 5 is a schematic view of the internal structure of the cannula of the present invention.

Fig. 6 is a bottom view of the cannula of the present invention.

Wherein: the method comprises the following steps of 1-operating handle, 2-intubation tube, 3-angle adjusting tube, 4-head end structure, 5-first installation tube, 6-second installation tube, 7-third installation tube, 8-fixed pulley, 9-extension spring, 10-extension rope, 11-fourth installation tube, 12-fixed sliding block, 13-sliding ring, 14-hole and 15-light source.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following describes the technical solution of the present invention with reference to the accompanying drawings and embodiments.

Referring to fig. 1-6 shown an angle adjustable type laparoscope, including an operating handle 1, the front end of operating handle 1 is connected with an insertion tube 2, the front end of insertion tube 2 is equipped with angle adjusting tube 3, the front end of angle adjusting tube 3 is connected with head end structure 4, insertion tube 2 with head end structure 4 adopts the same material, namely the metal material that current laparoscope adopted can, angle adjusting tube 3 adopts the flexible tube, can buckle, insertion tube 2 with adopt bonding between the angle adjusting tube 3 fixed, angle adjusting tube 3 with also adopt bonding between the head end structure 4 fixed.

Further, an angle adjusting assembly is arranged in the angle adjusting pipe 3, specifically, a first mounting pipe 5, a second mounting pipe 6 and a third mounting pipe 7 are respectively arranged at the upper portion, the lower portion and the front end of the inner side of the angle adjusting pipe 3, the rear end of the first mounting pipe 5 is closed, the front end of the first mounting pipe is open, the front end and the rear end of the second mounting pipe 6 are both of an open structure, the top and the bottom of the third mounting pipe 7 are both of an open structure, the top end of the third mounting pipe 7 is communicated with the front end of the first mounting pipe 5, and the inner side of the connecting part is connected with a fillet; the bottom end of the third mounting pipe 7 is communicated with the front end of the second mounting pipe 6, and the bottom of the third mounting pipe 7 is provided with a fixed pulley 8; first installation pipe 5 and second installation pipe 6 adopt with the same flexible material of buckling of angle modulation pipe 3 material, just angle modulation pipe 3 can be along with buckle of first installation pipe 5 and second installation pipe 6 is buckled in step. The third installation pipe 7 is a rigid pipe, and the front end of the angle adjusting pipe 3 can be guaranteed not to deform.

An extension spring 9 is fixedly arranged in the first mounting pipe 5, the rear end of the extension spring 9 is fixedly bonded with the rear end of the first mounting pipe 5, the front end of the extension spring 9 is in a free state, the length of the extension spring 9 is the same as that of the first mounting pipe 5 when the extension spring 9 is in a balanced state, and the top and the bottom of the extension spring 9 are in contact with the top and the bottom of the mounting pipe 5; the front end of the extension spring 9 is connected with an extension rope 10 with an invariable length, and the extension rope 10 sequentially passes through the third installation pipe 7 and the second installation pipe 6 and is matched with the fixed pulley 8.

Furthermore, a fourth mounting tube 11 is arranged at the bottom of the insertion tube 2, the rear end of the extension rope 10 penetrates through the fourth mounting tube 11 and then is connected with a fixed sliding block 12, the fixed sliding block 12 is located in the insertion tube 2, a sliding ring 13 is arranged at the bottom of the fixed sliding block 12, the sliding ring 13 penetrates through the insertion tube 2, an opening 14 matched with the sliding block 12 is arranged at the bottom of the insertion tube 2 close to the rear end, the size of the opening 14 is smaller than that of the fixed sliding block 12, the sliding ring 13 is pulled back and forth, the fixed sliding block 12 can move back and forth along the opening 14 along with the sliding ring 13, so that the rear end of the extension rope 10 is pulled to move, and because the length of the extension rope 10 cannot be changed, when the rear end of the extension rope 10 moves back and forth, the front end of the extension rope 10 pulls the extension spring 9 to deform, because the front end of the tensile rope 10 is located in the third installation pipe 7, and the third installation pipe 7 is a rigid pipe again, therefore, the direction of the force of the tensile rope 10 is perpendicular to the extending direction of the tensile spring 9, therefore, when the tensile rope 10 stretches the tensile spring 9, the tensile spring 9 can be bent downwards, thereby driving the first installation pipe 5 to generate a curved needle, the angle adjustment pipe 3 and the second installation pipe 6 can also be bent therewith, the angle adjustment pipe 3 can be bent downwards for 90 degrees, the abdominal wall is tightly attached to the abdominal wall in the bending process, the abdominal wall is used as a supporting point, the whole endoscope is more stable, and the shaking of the picture is reduced. The fixed pulley 8 can make the tensile rope 10 more laborsaving convenient at tensile in-process, avoids tensile rope 10 to paste completely on second installation pipe 6 and third installation pipe 7 simultaneously, and tensile in-process frictional force is great.

Furthermore, the diameter of the angle adjusting tube 3 is smaller than the diameter of the insertion tube 2 and the head end structure 4, so that the part of the tensile cord 10 in the insertion tube 2 can not be attached to the inner wall of the insertion tube 2.

Further, a light source 15 is installed at the front end of the third installation tube 7, and the light source 15 is a band-shaped light source, so that the irradiation range is wider.

Further, a shooting component and a light guide fiber (not shown in the figure) are arranged in the head end structure 4, the shooting component comprises a high-definition objective lens and a camera, the cross section of the inner hole of the head end structure 4 is a clover-shaped structure, four waist-shaped holes of the clover-shaped structure are filled with light guide fibers, light emitted by a light source 15 illuminates the inside of the abdominal cavity through the light guide fibers, a high-definition objective lens and a camera are convenient to shoot, the light guide fibers are connected with the light source 15, a battery for supplying power to the light source 15 is arranged in the operating handle 1, the light source 15 is electrically connected with the battery, the operating handle 1 is also provided with a display screen, the high-definition objective and the camera are connected with the display screen through a signal transmission line, an operator can observe the condition in the abdominal cavity through the display screen, electric wires between the light source and the battery and signal transmission lines between the high-definition objective lens, the camera and the display screen penetrate through the angle adjusting tube 3 and the insertion tube 2.

Preferably, intubate 2 with head end structure 4's internal diameter is the same, and all less than or equal to 3mm, the external diameter of angle modulation pipe 3 with intubate 2 and head end structure 4's internal diameter phase-match guarantees that angle modulation pipe 3 can bond fixedly with intubate 2 and head end structure 4, the diameter less than or equal to 2.5mm of shooting subassembly. The length of intubate 2 is 4.3cm, the length of angle modulation pipe 3 is 3.1cm, the length of head end structure 4 is 2.33 cm.

When the abdominal cavity endoscope is used, the head end structure is inserted along the abdominal wall, the light source is turned on, the shooting assembly is adjusted until the condition in the abdominal cavity can be clearly seen from the display screen, the extension spring is in a horizontal balance state under the condition of no external force action, and the angle adjusting tube is also in a horizontal state; when needs adjust endoscope observation angle, the pulling slip ring, tensile rope backward movement thereupon, thereby pulling extension spring extension and buckling, angle adjusting pipe takes place to buckle thereupon, the stomach wall supports it, guarantee the stability of tensile in-process endoscope, the condition of the different angles in abdominal cavity can be observed at tensile in-process simultaneously, after the use, slowly loosen the slip ring, tensile rope moves left thereupon, extension spring resumes the in-process angle adjusting pipe of deformation and also resumes deformation thereupon, finally become the horizontality, can follow the intubate and take out from the abdominal cavity.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an angle-adjustable laparoscope, includes operating handle (1), the front end of operating handle (1) is connected with intubate (2), its characterized in that: an angle adjusting pipe (3) is arranged at the front end of the insertion pipe (2), and a head end structure (4) is connected to the front end of the angle adjusting pipe (3);

the angle adjusting pipe (3) is a flexible pipe, an angle adjusting assembly and a light source (15) are arranged in the angle adjusting pipe (3), and the angle adjusting assembly is connected with the rear end of the insertion pipe (2) in a sliding mode;

and a shooting assembly and a light guide optical fiber are arranged in the head end structure (4).

2. The adjustable-angle laparoscope as recited in claim 1, wherein: the angle adjusting assembly comprises a first mounting pipe (5), a second mounting pipe (6) and a third mounting pipe (7) which are respectively arranged at the upper part, the lower part and the front end of the inner side of the angle adjusting pipe (3);

the top end of the third mounting pipe (7) is communicated with the front end of the first mounting pipe (5), and the inner side of the joint is connected with a fillet; the bottom end of the third mounting pipe (7) is communicated with the front end of the second mounting pipe (6), and a fixed pulley (8) is mounted at the bottom of the third mounting pipe (7);

an extension spring (9) is fixedly arranged in the first mounting pipe (5), and the length of the extension spring (9) is the same as that of the first mounting pipe (5) when the extension spring is in a balanced state; the front end of the extension spring (9) is connected with an extension rope (10) with invariable length, and the extension rope (10) sequentially passes through a third installation pipe (7) and a second installation pipe (6) and is matched with the fixed pulley (8).

3. The adjustable-angle laparoscope as recited in claim 2, wherein: the bottom of intubate (2) is equipped with fourth installation pipe (11), the rear end of tensile rope (10) is passed be connected with fixed slider (12) behind fourth installation pipe (11), fixed slider (12) are located in intubate (2), the bottom of fixed slider (12) is equipped with slip ring (13), slip ring (13) run through intubate (2), just bottom that intubate (2) are close to the rear end department be equipped with slider (12) assorted trompil (14).

4. The adjustable-angle laparoscope as recited in claim 3, wherein: the first mounting pipe (5) and the second mounting pipe (6) are flexible pipes made of the same material as the angle adjusting pipe (3); the third installation tube (7) is a rigid tube, and a light source (15) is arranged in the center of the front end of the third installation tube (7).

5. The adjustable-angle laparoscope as recited in claim 1, wherein: the shooting assembly comprises a high-definition objective and a camera.