CN109745632B - Tool for placing esophageal tumor marker - Google Patents
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- CN109745632B CN109745632B CN201811574842.2A CN201811574842A CN109745632B CN 109745632 B CN109745632 B CN 109745632B CN 201811574842 A CN201811574842 A CN 201811574842A CN 109745632 B CN109745632 B CN 109745632B
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- chuck
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- conveying pipe
- esophageal tumor
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Abstract
The invention provides a tool for placing esophageal tumor markers, which belongs to the technical field of esophageal tumor markers and comprises a chuck, a conveying pipe and a control handle; the conveying pipe is a flexible pipe, and the chuck and the control handle are respectively arranged at two end parts of the conveying pipe; a connecting wire for connecting the chuck and the control handle is arranged inside the conveying pipe, and the control handle controls the chuck to be closed by pulling the connecting wire; the conveyer pipe sets up the light that the one end of chuck still was equipped with the camera and provided the illumination for the camera. According to the tool for placing the esophageal tumor marker, the marker is placed on the inner side of the chuck, one end of the conveying pipe with the chuck is conveyed into the esophagus from the oral cavity, the connecting line is tightened by the control handle after the marker is conveyed to the esophageal lesion, and the connecting line is connected with the control handle and the chuck, so that the chuck is pulled to be closed when the connecting line is tightened, and the marker is clamped outside the esophageal tumor.
Description
Technical Field
The invention belongs to the technical field of esophageal tumor markers, and particularly relates to a tool for placing esophageal tumor markers.
Background
The incidence rate of the esophageal cancer is high, the esophageal cancer progresses quickly, early clinical symptoms are easy to ignore, 78% of patients lose the chance of operation once the diagnosis is confirmed to be the middle and late stage, and part of patients cannot tolerate the operation treatment due to the advanced age, basic diseases and the like. Radiotherapy is one of the important means in the comprehensive treatment scheme of esophageal cancer, and the accurate positioning of esophageal lesions is a key factor for delineation and clinical prognosis of a target area of a radiotherapy tumor area (GTV).
The existing positioning mode for the esophageal lesion is to implant a marker at the esophageal lesion part or attach the marker outside the lesion part, the esophagus belongs to a deep cavity, the marker generally enters the esophagus from the oral cavity through long-handle forceps and other instruments, and no special tool for placing the marker exists at present due to different implantation or attachment modes of different markers.
Disclosure of Invention
The invention aims to provide a tool for placing an esophageal tumor marker, and the tool is used for solving the technical problem that no special tool for placing the esophageal tumor marker exists in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: a tool for placing esophageal tumor markers, comprising:
the conveying pipe is internally provided with a connecting wire and is a flexible pipe;
the chuck is arranged at one end of the conveying pipe, is connected with the connecting line and is used for clamping a marker, the section of the chuck is V-shaped, the inner surface of the chuck is attached to the marker, and the outer surface of the chuck is in sliding contact with the pipe orifice of the conveying pipe;
the control handle is arranged at the other end of the conveying pipe, is connected with the connecting line and controls the chuck to be closed by pulling the connecting line;
the camera is arranged at one end of the conveying pipe, which is provided with the chuck;
the light is located the conveyer pipe is equipped with the one end of chuck is used for doing the camera provides the illumination.
Furthermore, the outer end part of the chuck is provided with a limiting claw for preventing the marker from falling off.
Further, the conveyer pipe sets up the one end of chuck is equipped with two and is used for compressing tightly the flexure strip of chuck, two the flexure strip symmetry set up in the both sides of chuck, the one end of flexure strip is fixed in the inner wall of conveyer pipe, the other end with the surface sliding contact of chuck, the flexure strip with the contained angle of chuck is the acute angle.
Furthermore, the control handle is provided with a tensioning piece for tensioning the connecting line, and the tensioning piece is connected with the connecting line.
Further, the tension member is a spool, a central shaft of the spool is arranged on the handle, and the spool can rotate around the central shaft; the end of the connecting wire is fixedly connected with the bobbin, and the connecting wire can be wound on the bobbin.
Furthermore, the tensioning piece is a spring pull pin, the spring pull pin comprises a pin shaft and a spiral spring sleeved outside the pin shaft, one end of the spiral spring is fixed on the control handle, and the pin shaft is connected with the end part of the connecting wire.
Furthermore, an optical fiber is arranged in the conveying pipe, one end of the optical fiber is connected with the camera, the other end of the optical fiber is externally connected with a display screen, and the camera transmits a shot picture to the display screen through the optical fiber.
Further, the light is the LED lamp, the power of light set up in the brake valve lever, the inside of conveyer pipe is equipped with and is used for connecting the light with the wire of power.
Further, the length of conveyer pipe is 500 ~ 600mm, the external diameter of conveyer pipe is 10 ~ 12 mm.
Furthermore, one end of the conveying pipe, which is provided with the clamping head, is provided with a round angle.
The tool for placing the esophageal tumor marker provided by the invention has the beneficial effects that: compared with the prior art, the tool for placing the esophageal tumor marker disclosed by the invention has the advantages that the marker is placed on the inner side of the chuck, the marker is clamped by the chuck, and one end of the conveying pipe with the chuck is conveyed into the esophagus from the oral cavity, so that the inner tissues of the esophagus cannot be damaged because the conveying pipe is a flexible pipe. The tip of conveyer pipe is equipped with camera and light, can clearly observe the position at mark place, sends the mark to esophagus focus position back, and control handle tightens up the connecting wire, and the pulling chuck is closed when the connecting wire tightens up to with the mark centre gripping outside the esophagus tumour.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of a tool for placing esophageal tumor markers according to one embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a tool for placing esophageal tumor markers according to a second embodiment of the present invention;
FIG. 3 is a view taken along line A of FIG. 1;
FIG. 4 is a longitudinal cross-sectional view in the middle section when the collet of the tool for placing the esophageal tumor marker provided by the embodiment of the invention is opened;
FIG. 5 is a longitudinal cross-sectional view of a tool for placing esophageal tumor markers according to an embodiment of the present invention with the jaws closed;
wherein, in the figures, the respective reference numerals:
1-a chuck; 101-a limiting claw; 2-a conveying pipe; 3-a control handle; 4-connecting wires; 5-a marker clip; 6-via holes; 7-a camera; 8-lighting lamps; 9-a spool; 10-spring pull pin; 11-an elastic sheet.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-5, the tool for placing esophageal tumor markers provided by the present invention will now be described. A instrument for placing esophagus tumour marker, including conveyer pipe 2, chuck 1 and brake valve lever 3, carry to hang 2 and be the flexible tube, can adopt medical endoscope's body, the reason that adopts the flexible tube is that human esophagus has certain angle of buckling, is not the linear type, and conveyer pipe 2 gets into the esophagus from the oral cavity moreover, needs to buckle certain angle. The marking object is a marking clamp 5 with a specific shape, the marking clamp 5 is similar to a titanium clamp, as can be seen from figure 4, the marking clamp 5 comprises two clamping arms arranged at an included angle, the clamping head 1 clamps the two clamping arms of the marking clamp 5 inside, so that the inner wall of the clamping head 1 is attached to the marking clamp 5, the marking clamp 5 can be pressed by closing the clamping head 1 to drive the marking clamp 5 to be closed, the marking clamp 5 is in a clamping state after being closed, the clamping head 1 adopts an elastic steel clamp and can be opened automatically after being closed, and the clamping head 1 can be opened after closing the marking clamp 5 and separated from the marking clamp 5; control handle 3 installs the tail end at conveyer pipe 2, and conveyer pipe 2's inside sets up a connecting wire 4, and chuck 1 and control handle 3 are connected respectively to the both ends of connecting wire 4 to connecting wire 4 is in the state of tightening in conveyer pipe 2, for the intensity of guaranteeing connecting wire 4, is unlikely to be broken by the stretch, and connecting wire 4 chooses for use the nylon wire.
In order to clearly observe the position of the chuck 1 in the esophagus, a camera 7 is arranged at the inner end part of the conveying pipe 2, because no light exists in the human body, and illuminating lamps 8 are respectively arranged at the two sides of the camera 7 to provide illumination for the camera 7.
After the conveying pipe 2 sends the chuck 1 with the marking clamp 5 into a focus part of an esophagus, the control handle 3 is operated to pull the connecting wire 4, the connecting wire 4 transmits pulling force to the chuck 1, the chuck 1 is extruded with the inner wall of the conveying pipe 2 under the action of the pulling force and is closed, the marking clamp 5 is tightly pressed by the closing of the chuck 1, the marking clamp 5 is clamped outside an esophageal tumor after being closed, then the connecting and selecting 4 is released, the chuck 1 is opened, the conveying pipe 2 is slowly drawn out outwards when the chuck 1 is opened, and the marking clamp 5 is placed.
Compared with the prior art, the tool for placing the esophageal tumor marker provided by the invention has the advantages that the marking clip 5 is placed on the inner side of the chuck 1, the marking clip 5 is clamped by the chuck 1, and one end of the conveying pipe 2 with the chuck 1 is conveyed into the esophagus from the oral cavity, so that the conveying pipe 2 is a flexible pipe and can not damage the internal tissues of the esophagus. The end of the conveying pipe 2 is provided with a camera 7 and a lighting lamp 8, so that the position of the marking clip 5 can be clearly observed, after the marking clip 5 is sent to the esophageal lesion position, the control handle 3 tightens the connecting wire 4, and the connecting wire 4 tightens to pull the chuck 1 to be closed, so that the marking clip 5 is clamped outside the esophageal tumor.
Optionally, referring to fig. 4 and 5 together, in order to prevent the marking clip 5 from falling off from the collet 1 during the feeding process of the esophagus, two barb-shaped limiting claws 101 are disposed at the outer end position of the collet 1, and limit the two clipping arms of the marking clip 5 respectively, so as to fix the marking clip 5 inside the collet 1, according to an embodiment of the tool for placing the esophageal tumor marker provided by the present invention.
Optionally, referring to fig. 4 and 5, as a specific embodiment of the tool for placing an esophageal tumor marker provided by the present invention, two elastic pieces 11 are installed inside an inner end portion of a conveying pipe 2, the elastic pieces 11 are symmetrically arranged on two sides of a collet 1, one end of each elastic piece 11 is fixed on an inner wall of the conveying pipe 2 by welding, and the other end of each elastic piece 11 presses an outer surface of the collet 1, and the collet 1 can slide relative to the elastic pieces 11, it should be noted that an included angle between the elastic pieces 11 and the collet 1 is set to be an acute angle, so as to ensure a pressure of the elastic pieces 11 on the collet 1. After the chuck 1 is pulled towards the inside of the conveying pipe 2 by the connecting line 4, because of the self elasticity of the chuck 1 and the chuck 1 is in sliding contact with the pipe orifice of the conveying pipe 2, the chuck 1 has the tendency of moving outwards, after the spring leaf 11 is installed, the spring leaf 11 presses the chuck 1 to press the chuck 1 to move outwards, and the chuck 1 is enabled to extend out of the conveying pipe 2 more easily by combining the self elasticity of the chuck 1.
Optionally, as a specific embodiment of the tool for placing the esophageal tumor marker provided by the present invention, a tensioning member is provided on the control handle 3, the tensioning member is connected to the connecting wire 4, and the connecting wire 4 is pulled by controlling the tensioning member, so as to control the closing of the clamping head 4.
Optionally, referring to fig. 1, as a specific embodiment of the tool for placing an esophageal tumor marker provided by the present invention, the tensioning member may be a cylindrical bobbin 9, the bobbin 9 is disposed at the tail of the control handle 3, two parallel strip-shaped plates are mounted at the tail of the control handle 3, a cylindrical shaft is mounted between the two strip-shaped plates and used as a central shaft of the bobbin 9, the central shaft is disposed perpendicular to the strip-shaped plates, the bobbin 9 is sleeved on the central shaft, the bobbin 9 can rotate around the central shaft, the connecting wire 4 passes through the inside of the control handle 3 and passes through the tail of the control handle 3, the end of the connecting wire 4 is fixed on the side wall of the bobbin 9, and the connecting wire 4 is wound around the side wall of the bobbin 9. When the connecting wire 4 needs to be pulled, the spool 9 is rotated clockwise to control the closing of the chuck 1, and when the connecting wire 4 needs to be loosened, the spool 9 is rotated counterclockwise to open the chuck 1.
Optionally, referring to fig. 2, as a specific embodiment of the tool for placing esophageal tumor markers provided by the present invention, the tensioning member may be a spring pulling pin 10, the spring pulling pin 10 is installed at the tail of the control handle 3, one end of a spring of the spring pulling pin 10 is fixed at the tail of the control handle 1, a pin shaft is inserted inside the spring, the pin shaft can axially move relative to the control handle 3, the connection line 4 is inserted inside the control handle 3 and penetrates out of the tail of the control handle 3, and the end of the connection line 4 is fixed on the pin shaft. When the connecting wire 4 needs to be pulled, the pin shaft of the spring pull pin 10 is pulled outwards, the pin shaft moves in the direction away from the control handle 3 to control the closing of the chuck 1, and when the connecting wire 4 needs to be loosened, the pin shaft is loosened to move in the direction close to the control handle 3 to open the chuck 1.
Optionally, as a specific embodiment of the tool for placing an esophageal tumor marker provided by the present invention, an optical fiber is disposed inside the conveying pipe 2, one end of the optical fiber is connected to a camera 7 disposed at the inner end of the conveying pipe 2, the other end of the optical fiber is connected to an external display screen, a picture taken by the camera 7 can be transmitted to the display screen in real time, and the position reached by the collet 1 can be observed by observing the display screen.
Optionally, as a specific embodiment of the tool for placing the esophageal tumor marker provided by the present invention, the illuminating lamps 8 on both sides of the camera 7 are LED lamps, and the LED lamps are cold light sources, so that the tissues in the esophagus cannot be affected by the heat generated by the light sources. Be equipped with a wire in the inside of conveyer pipe 2, the light 8 is connected to the one end of wire, and the battery power of setting in the inside of brake valve lever 3 is connected to the other end, and camera 7 can also be connected to the wire, supplies power for camera 7 through the inside battery power of brake valve lever 3.
Alternatively, as a specific embodiment of the tool for placing esophageal tumor markers provided by the present invention, the delivery tube 2 extends into the esophagus without having too long a length, and the length of the delivery tube 2 is set to 500mm in combination with the length of the esophagus and the oral cavity of the human body. The outer diameter of the lumen for a general gastroscope is about 10mm, and the outer diameter of the delivery tube is set to 12mm because the delivery tube 2 needs to be attached with not only the camera 7 but also the collet 1.
Optionally, as a specific embodiment of the tool for placing the esophageal tumor marker provided by the present invention, in order to reduce the scraping of the inner wall of the esophagus after the delivery tube 2 enters the esophagus, the inner end of the delivery tube 2 is provided with a rounded transition.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A tool for placing esophageal tumor markers, comprising:
the conveying pipe is internally provided with a connecting wire and is a flexible pipe;
the chuck is arranged at one end of the conveying pipe, is connected with the connecting line and is used for clamping a marker, the section of the chuck is V-shaped, the inner surface of the chuck is attached to the marker, and the outer surface of the chuck is in sliding contact with the pipe orifice of the conveying pipe;
two elastic pieces for pressing the chuck are arranged at one end, provided with the chuck, of the conveying pipe, the two elastic pieces are symmetrically arranged at two sides of the chuck, one end of each elastic piece is fixed on the inner wall of the conveying pipe, the other end of each elastic piece is in sliding contact with the outer surface of the chuck, and the included angle between each elastic piece and the chuck is an acute angle;
the control handle is arranged at the other end of the conveying pipe, is connected with the connecting line and controls the chuck to be closed by pulling the connecting line;
the camera is arranged at one end of the conveying pipe, which is provided with the chuck;
the light is located the conveyer pipe is equipped with the one end of chuck is used for doing the camera provides the illumination.
2. The tool for placing an esophageal tumor marker of claim 1, wherein: and the outer end part of the chuck is provided with a limiting claw for preventing the marker from falling off.
3. The tool for placing an esophageal tumor marker of claim 1, wherein: the control handle is provided with a tensioning piece for tensioning the connecting wire, and the tensioning piece is connected with the connecting wire.
4. The tool for placing an esophageal tumor marker of claim 3, wherein: the tensioning piece is a spool, a central shaft of the spool is arranged on the handle, and the spool can rotate around the central shaft; the end of the connecting wire is fixedly connected with the bobbin, and the connecting wire can be wound on the bobbin.
5. The tool for placing an esophageal tumor marker of claim 3, wherein: the tensioning piece is a spring pull pin, the spring pull pin comprises a pin shaft and a spiral spring sleeved outside the pin shaft, one end of the spiral spring is fixed on the control handle, and the pin shaft is connected with the end part of the connecting wire.
6. The tool for placing an esophageal tumor marker of claim 1, wherein: the optical fiber is arranged in the conveying pipe, one end of the optical fiber is connected with the camera, the other end of the optical fiber is externally connected with the display screen, and the camera transmits the shot picture to the display screen through the optical fiber.
7. The tool for placing an esophageal tumor marker of claim 1, wherein: the light is the LED lamp, the power of light set up in the brake valve lever, the inside of conveyer pipe is equipped with and is used for connecting the light with the wire of power.
8. The tool for placing an esophageal tumor marker of claim 1, wherein: the length of conveyer pipe is 500 ~ 600mm, the external diameter of conveyer pipe is 10 ~ 12 mm.
9. The tool for placement of esophageal tumor markers according to any of claims 1-8, wherein: the conveying pipe is provided with a fillet at one end of the chuck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811574842.2A CN109745632B (en) | 2018-12-21 | 2018-12-21 | Tool for placing esophageal tumor marker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811574842.2A CN109745632B (en) | 2018-12-21 | 2018-12-21 | Tool for placing esophageal tumor marker |
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| Publication Number | Publication Date |
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| CN109745632A CN109745632A (en) | 2019-05-14 |
| CN109745632B true CN109745632B (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811574842.2A Active CN109745632B (en) | 2018-12-21 | 2018-12-21 | Tool for placing esophageal tumor marker |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112869885B (en) * | 2020-12-27 | 2022-02-08 | 河南科技大学第一附属医院 | Esophageal tumor marker and assembling and disassembling device |
| CN114587636B (en) * | 2022-03-18 | 2023-09-01 | 贺绍卿 | Esophageal tumor marking structure and detection equipment |
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| WO1999034760A1 (en) * | 1998-01-09 | 1999-07-15 | Endovascular Technologies, Inc. | Prosthesis gripping system and method |
| CN1761429A (en) * | 2003-03-17 | 2006-04-19 | 住友电木株式会社 | Clip and clipping instrument for biological tissues |
| CN103315792A (en) * | 2013-06-29 | 2013-09-25 | 安瑞医疗器械(杭州)有限公司 | Clamping device and jaw part thereof |
| CN203424912U (en) * | 2013-08-19 | 2014-02-12 | 合肥德铭电子有限公司 | Disposable split-type fiber electronic endoscope |
| CN203970625U (en) * | 2014-07-21 | 2014-12-03 | 王永滨 | A kind of stent in esophagus with visual function is placed withdrawing device |
| CN107405046A (en) * | 2015-03-31 | 2017-11-28 | 住友电木株式会社 | Endoscopic clip device and fixture |
-
2018
- 2018-12-21 CN CN201811574842.2A patent/CN109745632B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999034760A1 (en) * | 1998-01-09 | 1999-07-15 | Endovascular Technologies, Inc. | Prosthesis gripping system and method |
| CN1761429A (en) * | 2003-03-17 | 2006-04-19 | 住友电木株式会社 | Clip and clipping instrument for biological tissues |
| CN100464716C (en) * | 2003-03-17 | 2009-03-04 | 住友电木株式会社 | Clip and clipping instrument for biological tissues |
| CN103315792A (en) * | 2013-06-29 | 2013-09-25 | 安瑞医疗器械(杭州)有限公司 | Clamping device and jaw part thereof |
| CN203424912U (en) * | 2013-08-19 | 2014-02-12 | 合肥德铭电子有限公司 | Disposable split-type fiber electronic endoscope |
| CN203970625U (en) * | 2014-07-21 | 2014-12-03 | 王永滨 | A kind of stent in esophagus with visual function is placed withdrawing device |
| CN107405046A (en) * | 2015-03-31 | 2017-11-28 | 住友电木株式会社 | Endoscopic clip device and fixture |
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| CN109745632A (en) | 2019-05-14 |
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