CN114557779A - Instrument for positioning tumor position through gastroscope clamping channel - Google Patents

Instrument for positioning tumor position through gastroscope clamping channel Download PDF

Info

Publication number
CN114557779A
CN114557779A CN202210192796.XA CN202210192796A CN114557779A CN 114557779 A CN114557779 A CN 114557779A CN 202210192796 A CN202210192796 A CN 202210192796A CN 114557779 A CN114557779 A CN 114557779A
Authority
CN
China
Prior art keywords
assembly
cavity
positioning
liquid
groove
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202210192796.XA
Other languages
Chinese (zh)
Other versions
CN114557779B (en
Inventor
冯云路
徐徕
杨爱明
张晟瑜
吴东
吴晰
伍东升
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Peking Union Medical College Hospital Chinese Academy of Medical Sciences
Original Assignee
Peking Union Medical College Hospital Chinese Academy of Medical Sciences
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Peking Union Medical College Hospital Chinese Academy of Medical Sciences filed Critical Peking Union Medical College Hospital Chinese Academy of Medical Sciences
Priority to CN202210192796.XA priority Critical patent/CN114557779B/en
Publication of CN114557779A publication Critical patent/CN114557779A/en
Application granted granted Critical
Publication of CN114557779B publication Critical patent/CN114557779B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
    • A61B2090/3904—Markers, e.g. radio-opaque or breast lesions markers specially adapted for marking specified tissue
    • A61B2090/3912—Body cavities
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
    • A61B2090/3937—Visible markers
    • A61B2090/395—Visible markers with marking agent for marking skin or other tissue
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
    • A61B2090/3987—Applicators for implanting markers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
    • A61B2090/3991—Markers, e.g. radio-opaque or breast lesions markers having specific anchoring means to fixate the marker to the tissue, e.g. hooks

Abstract

The invention relates to an apparatus for positioning tumor position through gastroscope forceps channel, which comprises: the device comprises an operating handle, a guide tube and a positioning assembly; the operating handle is arranged at the first end of the guide tube, and the positioning assembly is arranged at the second end of the guide tube; the guide tube is a hollow tube; an operating structure is arranged in the operating handle, and a check assembly and a pressure relief structure are arranged in the operating structure; the operating structure is connected with the positioning assembly through a pipeline; the positioning component is also provided with a sleeving component, and the positioning component performs corresponding positioning action through an operation structure; the sleeve assembly can be disengaged from the positioning assembly.

Description

Instrument for positioning tumor position through gastroscope clamping channel
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to an instrument for positioning a tumor position through a gastroscope clamping channel.
Background
Gastrointestinal tumors are diseases involving abnormal cell growth, which occur in the gastrointestinal tract and organs related to digestive functions, such as esophagus, stomach, biliary system, pancreas, small intestine, large intestine, rectum and anus, and the symptoms of gastrointestinal tumors may vary depending on the affected organ or tissue. For example, symptoms associated with esophageal tumors include dysphagia, chest pain, cough, and hoarseness; while symptoms associated with gastric tumors include vomiting, nausea, abdominal pain and hematochezia.
Aiming at the existing gastrointestinal tumor, when the tumor is treated by laparoscopic surgery, the tumor is mostly in the mucosa of the gastrointestinal tract, and the tumor cannot be effectively found through the abdominal cavity and can be operated in real time, so the tumor position needs to be positioned before the operation, the tumor position is mostly found under a gastroscope before the operation, and the tumor is positioned through a titanium clamp. However, the fixing mode of the titanium clip in the cavity still has difficulty in searching the tumor position in the abdominal cavity. And the titanium clamp is easy to loosen in the clamping process, and the position is changed.
Therefore, the invention provides an instrument for positioning the tumor position through a gastroscope forceps channel, aiming at the problems that the instrument can quickly and accurately position the tumor position.
Disclosure of Invention
To overcome the problems noted in the background, the present invention provides an apparatus for locating a tumor site through a gastroscopic clamp.
An apparatus for transgastroscopic catheterizing a tumor site comprising: the device comprises an operating handle, a guide tube and a positioning assembly; the operating handle is arranged at the first end of the guide tube, and the positioning assembly is arranged at the second end of the guide tube; the guide tube is a hollow tube; an operating structure is arranged in the operating handle, and a check assembly and a pressure relief structure are arranged in the operating structure; the operating structure is connected with the positioning assembly through a pipeline; the positioning component is also provided with a sleeving component, and the positioning component performs corresponding positioning action through an operation structure; the sleeve assembly can be disengaged from the positioning assembly.
Further, the operational structure includes: the liquid guide cavity, the liquid storage cavity, the piston, the rocker, the rocking handle, the liquid guide pipe and the liquid return pipe; the operating handle comprises a liquid guide cavity and a liquid storage cavity, the liquid guide cavity is arranged above the liquid storage cavity, a partition plate is arranged between the liquid guide cavity and the liquid storage cavity, the non-return assembly is arranged in the partition plate, the piston is arranged in the liquid guide cavity, the first end of the rocker is connected with the piston, the second end of the rocker is connected with the rocking handle, and the piston moves up and down in the liquid guide cavity by pressing the rocking handle; the rocking handle is hinged with the operating handle; the first end of the liquid guide pipe is connected with the positioning assembly, and the second end of the liquid guide pipe passes through the liquid storage cavity and is connected with the liquid guide cavity; the first end of the liquid return pipe is also connected with the positioning component, and the second end of the liquid return pipe is connected with the liquid storage cavity; during the use, the swing of rocking handle realizes carrying liquid medium from the stock solution intracavity to the drain intracavity to realize that locating component carries out the location operation to the tumour.
Further, the liquid guide cavity comprises an operation cavity and a medium cavity; the operation cavity is arranged above the medium cavity; a limiting plate is arranged between the operation cavity and the medium cavity; a rectangular opening is formed in the limiting plate, the width of the rectangular opening is the same as that of the rocker, and the piston is arranged in the medium cavity II; through the arrangement, the rocker is always kept parallel to the side wall of the rectangular opening when swinging, so that the piston cannot rotate in the movement process; and the piston is prevented from excessively moving by a limiting plate.
Furthermore, the operating cavity is provided with an open slot, and the first end of the rocker is hinged with the piston; the top of the operating handle is provided with a first connecting component, and the first end of the rocking handle is hinged with the first connecting component; through the arrangement, the rocking handle drives the rocking rod to swing, so that the piston is driven to move.
Further, the check assembly includes: the first check assembly and the second check assembly are identical in structure and opposite in arrangement state; a first end of the check assembly is communicated with the medium cavity; a second end of the check assembly is connected with the liquid guide pipe; the first end of the second check assembly is communicated with the medium cavity, and the second end of the second check assembly is communicated with the liquid storage cavity; when the first check assembly circulates, the second check assembly is closed, and when the second check assembly circulates, the first check assembly is closed.
Further, the first check assembly comprises: the flow cavity, the stop assembly and the first return spring; the flow cavity is arranged in the partition plate and penetrates through the partition plate, the diameter of the middle section of the flow cavity is larger than the diameters of the two ends of the flow cavity, the first return spring is arranged in the middle section, and the first end of the first return spring is integrally connected with the end face of the bottom of the middle section; and a second end of the return spring is connected with the stopping component, and the flow cavity is sealed in a one-way mode through the stopping component.
Furthermore, the pressure relief structure is connected with the part, located in the medium cavity, of the liquid guide pipe, the pressure relief structure is used for balancing the liquid medium in the liquid guide pipe and the liquid storage cavity and is used for resetting the positioning assembly after positioning action.
Further, the pressure relief structure includes: the pressure relief channel, the pressure relief assembly and the spring groove are arranged on the base; the pressure relief channel is connected with the liquid guide pipe; a liquid return hole is formed in the pressure relief channel, and a connecting hole with the same diameter as the liquid return hole is formed in the pressure relief assembly; a liquid return channel is also arranged in the pressure relief assembly and is communicated with the connecting hole, and a second reset spring is arranged in the spring groove and is used for resetting after the pressure relief assembly is pressed; through pressing the pressure relief assembly, the pressure relief assembly carries out translational motion along the pressure relief channel, so that the connecting hole is superposed with the liquid return hole, and the liquid medium in the liquid guide pipe and the liquid storage cavity is balanced.
Further, the maximum outer diameter of the pressure relief assembly is the same as the inner diameter of the pressure relief channel, and the arrangement can keep the tightness of the pressure relief channel.
Further, be provided with the sliding block on the pressure release subassembly, the spring inslot is provided with the sliding tray, and the pressure release subassembly passes through the sliding block and slides in the sliding tray and can prevent that the pressure release subassembly from appearing rotating when pressing down or kick-backing, guarantees to return liquid hole and normal coincidence of connecting hole.
Furthermore, the liquid guide pipe and the liquid return pipe are soft pipes and can be bent to a certain degree according to the gastrointestinal tract.
Further, a lead pipe is arranged at the second end of the guide pipe; a thread groove for limiting the positioning state of the positioning assembly is arranged in the lead pipe, and the positioning assembly rotates along the thread groove; ensuring that the sleeving component is screwed into the mucous membrane of the patient.
Further, the thread groove includes: a first thread groove and a second thread groove; the starting point and the end point of the first thread groove and the second thread groove are opposite in a mirror image mode, and the first thread groove and the second thread groove cannot be overlapped; the balance of the positioning assembly in rotation is guaranteed by the arrangement, and the clamping problem cannot occur in the advancing process.
Further, the positioning assembly includes: the hydraulic cylinder is arranged inside the second end of the guide pipe; the first end of the liquid guide pipe and the first end of the liquid return pipe are both connected with the hydraulic cylinder; a push rod for pushing the positioning structure to perform positioning operation is arranged in the hydraulic cylinder; the push rod is pushed to move by operating the rocking handle at the external end of the body, so that the gastrointestinal tumor position is positioned.
Further, the positioning structure includes: a bearing, a rotating assembly; a bearing groove is formed in the first end of the push rod, and the bearing is arranged in the bearing groove; the first end of the rotating assembly is provided with a connecting shaft and is connected with the bearing through the connecting shaft; the second end of the rotating component is provided with a connecting groove; the sleeve joint component is connected with the rotating component through a connecting groove; the push rod advances or retreats through the operating handle at the outer end of the operating body, and then the rotating assembly advances in a rotating mode.
Furthermore, the outer wall of the rotating assembly is provided with a first limiting shaft and a second limiting shaft which are connected with the first thread groove and the second thread groove in a mirror image mode, and the rotating assembly moves in the first thread groove and the second thread groove through the first limiting shaft and the second limiting shaft to achieve rotary advancing of the rotating assembly.
Further, the socket assembly comprises: the nail-shaped structure comprises a threaded nail, and a first end of the threaded nail is provided with a limiting block and is connected with the connecting groove through the limiting block; and a guide structure is arranged in the threaded nail.
Furthermore, clearance fit is adopted between the limiting block and the connecting groove, so that the positioning point cannot be pulled when the guide tube is withdrawn.
Further, the guide structure includes: the light emitting diode is arranged at the first end of the threaded nail.
Or, the screw nail is made of fluorescent materials.
Furthermore, a micro power supply is arranged in the limiting block and is in circuit connection with the light emitting diode.
Furthermore, a protection structure for preventing the liquid guide pipe from being expanded in a transition way is arranged at the joint of the liquid return pipe and the hydraulic cylinder; because the catheter is a soft tube, when the hydraulic cylinder is full of internal volume, the internal pressure of the catheter is increased and the catheter is expanded, and therefore the protection structure is arranged, and the catheter can be prevented from being burst due to transitional expansion.
Further, the protection structure includes: a protection piece, a pressure plate and a return spring III; the first end of the protection piece is connected with the hydraulic cylinder, and the second end of the protection piece is connected with the liquid return pipe; a placing cavity is arranged in the protecting piece; the first end of the placing cavity is provided with a groove for placing a pressure plate; the pressure plate is arranged in the groove; and the third first end of the return spring is connected with the second end of the placing cavity, and the third second end of the return spring is connected with the pressure plate.
Furthermore, a connecting shaft is arranged on the end face of the pressure plate connected with the return spring III; and the diameter of the connecting shaft is the same as the inner diameter of the return spring III, and the connecting shaft is used for preventing the pressure plate from being disconnected from the return spring III.
When in use, one end of the guide tube with the positioning component reaches the gastrointestinal tract of a patient through a gastroscope clamp channel; when the liquid medium reaches the tumor position under the observation of a gastroscope, the liquid medium is conveyed from the liquid storage cavity to the liquid guide cavity by lifting the rocking handle with one hand, and the push rod is pushed forwards by pressing the rocking handle to enable the liquid medium to reach the hydraulic cylinder through the liquid guide tube; the screw nail is screwed out forwards in the process of pushing the push rod forwards and is penetrated into the mucosa; and withdrawing the guide tube to complete the positioning of the tumor position.
The invention has the beneficial effects that: (1) the tumor position is positioned outside the body of the patient and the entering angle is adjusted when the tumor enters the gastrointestinal tract of the patient by arranging the operating handle and the guide tube; (2) the positioning of the tumor position and the guidance after the positioning are realized by arranging the positioning component and the sleeving component; and can prevent to cup joint the condition that the subassembly drops through setting up the nail type structure on cup jointing the subassembly.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the operating handle of the present invention;
FIG. 3 is a schematic view of a positioning assembly of the present invention;
FIG. 4 is a schematic view of a rotating assembly of the present invention;
FIG. 5 is a schematic view of a positioning structure according to the present invention;
FIG. 6 is a schematic view of a retaining groove of the present invention;
FIG. 7 is a cross-sectional schematic view of the operating handle of the present invention;
FIG. 8 is a schematic cross-sectional view of the rocking handle of the present invention after movement;
FIG. 9 is a schematic view of a check assembly of the present invention;
FIG. 10 is a schematic view of a pressure relief structure according to the present invention;
FIG. 11 is a schematic view of a pressure relief assembly of the present invention;
FIG. 12 is a schematic cross-sectional view of a positioning assembly of the present invention;
FIG. 13 is a schematic cross-sectional view of a protective structure according to the present invention;
in the figure, 1, an operating handle; 11. an operating chamber; 111. a limiting plate; 112. an open slot; 113. a first connecting component; 12. a media chamber; 121. a piston; 122. a rocker; 123. a rocking handle; 13. a liquid storage cavity; 14. a catheter; 15. a liquid return pipe; 16. a flow chamber; 161. a shut-off assembly; 162. a first return spring; 17. a pressure relief channel; 171. a pressure relief assembly; 172. a spring slot; 2. a guide tube; 21. a lead pipe; 211. a first thread groove; 212. a second thread groove; 23. a hydraulic cylinder; 231. a push rod; 2311. a bearing; 24. a rotating assembly; 241. a connecting shaft; 242. connecting grooves; 243. a first limiting shaft; 244. a second limiting shaft; 25. a threaded nail; 26. a limiting block; 4. a protective member; 41. a pressure plate; 42. and a third return spring.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below by specific embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and other advantages and effects of the present invention can be easily understood by those skilled in the art from the disclosure of the present specification. The present invention can be implemented or applied by other different specific embodiments, and the features in the following embodiments and examples can be combined with each other without conflict, and all other embodiments obtained by a person of ordinary skill in the art without making creative efforts based on the embodiments in the present invention shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1, an apparatus for locating a tumor site through a gastroscopic clamp track, comprising: the device comprises an operating handle 1, a guide tube 2, a positioning assembly, a first end of the guide tube 2, and a second end of the guide tube 2, wherein the operating handle 1 is arranged at the first end of the guide tube; the guide tube 2 is a hollow tube; an operating structure is arranged in the operating handle 1 and is connected with the positioning assembly through a pipeline; the positioning component is also provided with a sleeving component, and the positioning component performs corresponding positioning action through an operation structure; the sleeve assembly can be disengaged from the positioning assembly.
The liquid guide tube 14 and the liquid return tube 15 are flexible tubes which can be bent to a certain degree according to the gastrointestinal tract.
A first connecting body and a second connecting body are arranged at the second end of the guide tube 2, the first connecting body and the second connecting body are symmetrically arranged, and a first through hole is formed in the first connecting body and the first end of the second connecting body; the positioning assembly is arranged between the first connecting body and the second connecting body through the first through hole.
Example 2
Referring to fig. 2 and fig. 7 to 8, an operation structure is provided on the basis of embodiment 1, the operation structure including: the liquid guide cavity, the liquid storage cavity 13, the piston 121, the rocker 122, the rocking handle 123, the liquid guide tube 14 and the liquid return tube 15; the operating handle 1 comprises a liquid guide cavity and a liquid storage cavity 13, the liquid guide cavity is arranged above the liquid storage cavity 13, a partition plate is arranged between the liquid guide cavity and the liquid storage cavity 13, a check component is arranged in the partition plate, the piston 121 is arranged in the liquid guide cavity, a first end of a rocker 122 is connected with the piston 121, a second end of the rocker 122 is connected with a rocking handle 123, and the piston 121 moves up and down in the liquid guide cavity by pressing the rocking handle 123; the rocking handle 123 is hinged with the operating handle 1; the first end of the catheter 14 is connected with the positioning component, and the second end of the catheter 14 passes through the liquid storage cavity 13 and is connected with the liquid guide cavity; the first end of the liquid return pipe 15 is also connected with the positioning component, and the second end of the liquid return pipe 15 is connected with the liquid storage cavity 13; during the use, through the swing of rocking handle 123, realize carrying liquid medium from the stock solution intracavity 13 to the drain intracavity to realize that the locating component carries out the location operation to the tumour.
The liquid guide cavity comprises an operation cavity 11 and a medium cavity 12; the operation cavity 11 is arranged above the medium cavity 12; a limiting plate 111 is arranged between the operation cavity 11 and the medium cavity 12; a rectangular opening is formed in the limiting plate 111, the width of the rectangular opening is the same as that of the rocker 122, and the piston 121 is arranged in the second medium cavity 12; through the arrangement, the rocker 122 is always kept parallel to the side wall of the rectangular opening when swinging, so that the piston 121 cannot rotate in the movement process; and the piston 121 is prevented from excessively moving by the stopper plate 111.
The operation cavity 11 is provided with an open slot 112, and a first end of the rocker 122 is hinged with the piston 121; the top of the operating handle 1 is provided with a first connecting component 113, and the first end of the rocking handle 123 is hinged with the first connecting component 113; through the arrangement, the rocking handle 123 drives the rocking rod 122 to swing, so that the piston 121 is driven to move.
Example 3
Referring to fig. 9 to 11, a check structure and a pressure relief structure are provided on the basis of embodiment 1, and the check assembly includes: the first check assembly and the second check assembly are identical in structure and opposite in arrangement state; a first end of the check assembly is communicated with the medium cavity 12; a second end of the check assembly is connected with the liquid guide pipe 14; the first end of the check assembly is communicated with the medium cavity 12, and the second end of the check assembly is communicated with the liquid storage cavity 13; when the first check assembly circulates, the second check assembly is closed, and when the second check assembly circulates, the first check assembly is closed.
The first check assembly comprises: the flow chamber 16, the stop assembly 161, the first return spring 162; the flow cavity 16 is arranged in the partition plate and penetrates through the partition plate, the diameter of the middle section of the flow cavity 16 is larger than the diameters of the two ends, the first return spring 162 is arranged in the middle section, and the first end of the first return spring 162 is integrally connected with the end face of the bottom of the middle section; the second end of the first return spring 162 is connected to the stop member 161, and the flow chamber 16 is sealed in one direction by the stop member 161.
The part of the liquid guide tube 14 positioned in the medium cavity 12 is connected with a pressure relief structure, which is used for equalizing the liquid medium in the liquid guide tube 14 and the liquid storage cavity 13 and resetting the positioning assembly after the positioning action.
The pressure release structure includes: relief channel 17, relief assembly 171, spring groove 172; the pressure relief channel 17 is connected with the catheter 14; a liquid return hole is formed in the pressure relief channel 17, and a connecting hole with the same diameter as the liquid return hole is formed in the pressure relief assembly 171; a liquid return channel is further arranged in the pressure relief assembly 171 and communicated with the connecting hole, and a second return spring is arranged in the spring groove 172 and used for returning after the pressure relief assembly 171 is pressed; by pressing the pressure relief assembly 171, the pressure relief assembly 171 performs translational motion along the pressure relief channel 17, so that the connecting hole and the liquid return hole are overlapped, and the liquid medium in the liquid guide tube 14 and the liquid storage cavity 13 is balanced.
The maximum outer diameter of the pressure relief member 171 is the same as the inner diameter of the pressure relief passage 17, and this arrangement can maintain the sealability of the pressure relief passage 17.
Be provided with the sliding block on the pressure release subassembly 171, be provided with the sliding tray in the spring groove 172, pressure release subassembly 171 slides in the sliding tray through the sliding block and can prevent that pressure release subassembly 171 from appearing rotating when pressing or resilience, guarantees that liquid hole and connecting hole normal coincidence return.
Example 4
Referring to fig. 3 to 6 and fig. 12, the positioning assembly is provided on the basis of embodiment 1, and the positioning structure includes: bearing 2311, rotating assembly 24; the first end of the push rod 231 is provided with a bearing 2311 groove, and the bearing 2311 is arranged in the bearing 2311 groove; the first end of the rotating assembly 24 is provided with a connecting shaft 241 and is connected with the bearing 2311 through the connecting shaft 241; a second end of the rotating member 24 is provided with a connecting groove 242; the socket assembly is connected to the rotating assembly 24 through a connecting slot 242; the push rod 231 is moved forward or backward by the operating handle 1 at the outer end of the operating body, and the rotating member 24 is rotated forward.
The first limit shaft 243 and the second limit shaft 244 connected with the first thread groove 211 and the second thread groove 212 are arranged on the outer wall of the rotating component 24 in a mirror image mode, and the rotating component 24 moves on the first thread groove 211 and the second thread groove 212 through the first limit shaft 243 and the second limit shaft 244 to achieve rotary advancing of the rotating component 24.
Example 5
Referring to fig. 4 to 5, a socket component is provided on the basis of embodiment 1, and includes: the nail-shaped structure comprises a threaded nail 25, a limiting block 26 is arranged at a first end of the threaded nail 25, and the threaded nail is connected with the connecting groove 242 through the limiting block 26; and a guide structure is provided in the screw 25.
The limiting block 26 is in clearance fit with the connecting groove 242, so that the locating point cannot be pulled when the guide tube 2 is withdrawn.
The guide structure includes: a light emitting diode disposed at a first end of the screw 25.
Alternatively, the screw 25 is made of a fluorescent material.
A micro power supply is arranged in the limiting block 26 and is in circuit connection with the light emitting diode.
Example 6
Referring to fig. 13, a protective structure is arranged on the basis of embodiment 5, and a protective structure for preventing the liquid guide pipe 14 from being excessively expanded is arranged at the joint of the liquid return pipe 15 and the hydraulic cylinder 23; since the catheter 14 is a flexible tube, when the cylinder 23 is filled with a sufficient amount of fluid, the pressure in the catheter 14 increases and expands, and therefore, the provision of the protective structure prevents the catheter 14 from bursting due to excessive expansion.
The protection structure includes: a protection member 4, a pressure plate 41, a return spring III 42; the first end of the protector is connected with a hydraulic cylinder 23, and the second end of the protector 4 is connected with a liquid return pipe 15; a placing cavity is arranged in the protection piece 4; the first end of the placing cavity is provided with a groove for placing the pressure plate 41; the pressure plate 41 is disposed in the recess; the first end of the third return spring 42 is connected with the second end of the placing cavity, and the second end of the third return spring 42 is connected with the pressure plate 41.
The end surface of the pressure plate 41 connected with the return spring III 42 is provided with a connecting shaft 241; and the diameter of the connecting shaft 241 is the same as the inner diameter of the return spring three 42, which is provided for preventing the pressure plate 41 from being disconnected from the return spring three 42.
The above description of the embodiments is only for the understanding of the present invention. It should be noted that modifications could be made to the invention without departing from the principle of the invention, which would also fall within the scope of the claims of the invention.

Claims (10)

1. An apparatus for positioning tumor position through gastroscope clamping channel comprises an operating handle, a guide tube and a positioning component; the positioning device is characterized in that the operating handle is arranged at the first end of the guide tube, and the positioning assembly is arranged at the second end of the guide tube; the guide tube is a hollow tube; an operating structure is arranged in the operating handle, and a check assembly and a pressure relief structure are arranged in the operating structure; the operating structure is connected with the positioning assembly through a pipeline; the positioning component is also provided with a sleeving component, and the positioning component performs corresponding positioning action through an operation structure; the sleeve assembly can be disengaged from the positioning assembly.
2. The apparatus for transgastric vice-track localization of a tumor according to claim 1, wherein the operative structure comprises: the liquid guide cavity, the liquid storage cavity, the piston, the rocker, the rocking handle, the liquid guide pipe and the liquid return pipe; the operating handle comprises a liquid guide cavity and a liquid storage cavity, the liquid guide cavity is arranged above the liquid storage cavity, a separation plate is arranged between the liquid guide cavity and the liquid storage cavity, a non-return assembly is arranged in the separation plate, the piston is arranged in the liquid guide cavity, a first end of the rocker is connected with the piston, a second end of the rocker is connected with the rocking handle, and the piston moves up and down in the liquid guide cavity by pressing the rocking handle; the rocking handle is hinged with the operating handle; the first end of the liquid guide pipe is connected with the positioning assembly, and the second end of the liquid guide pipe passes through the liquid storage cavity and is connected with the liquid guide cavity; the first end of the liquid return pipe is also connected with the positioning component, and the second end of the liquid return pipe is connected with the liquid storage cavity.
3. The apparatus for locating a tumor site through a gastroscopic clamp track according to claim 2 wherein said drainage lumen comprises an operative lumen and a media lumen; the operation cavity is arranged above the medium cavity; a limiting plate is arranged between the operation cavity and the medium cavity; a rectangular opening is formed in the limiting plate, the width of the rectangular opening is the same as that of the rocker, and the piston is arranged in the medium cavity II; preferably, the operating cavity is provided with an open slot, and the first end of the rocker is hinged with the piston; the top of the operating handle is provided with a first connecting assembly, and the first end of the rocking handle is hinged to the first connecting assembly.
4. The apparatus for transgastric vice-positioning of a tumor site of claim 2, wherein the anti-backup assembly comprises: the first check assembly and the second check assembly are identical in structure and opposite in arrangement state; a first end of the check assembly is communicated with the medium cavity; a second end of the check assembly is connected with the liquid guide pipe; the first end of the check assembly is communicated with the medium cavity, and the second end of the check assembly is communicated with the liquid storage cavity.
5. The apparatus for locating the position of a tumor through a gastroscopic clip track as claimed in claims 2-4 wherein the liquid guiding tube and the liquid returning tube are soft tubes which can be bent to some extent according to the gastrointestinal tract; a lead pipe is arranged at the second end of the guide pipe; a thread groove for limiting the positioning state of the positioning assembly is arranged in the lead pipe, and the positioning assembly rotates along the thread groove; the thread groove includes: a first thread groove and a second thread groove; the starting point and the end point of the first thread groove and the second thread groove are opposite to each other in a mirror image mode, and the first thread groove and the second thread groove cannot be overlapped.
6. The apparatus for transgastroscopic clipping of a tumor site according to claim 1 wherein said positioning assembly comprises: the hydraulic cylinder is arranged inside the second end of the guide pipe; the first end of the liquid guide pipe and the first end of the liquid return pipe are both connected with the hydraulic cylinder; the hydraulic cylinder is internally provided with a push rod used for pushing the positioning structure to perform positioning operation.
7. The apparatus for transgastric vice-track localization of a tumor according to claim 6, wherein the localization mechanism comprises: a bearing, a rotating assembly; a bearing groove is formed in the first end of the push rod, and the bearing is arranged in the bearing groove; the first end of the rotating assembly is provided with a connecting shaft and is connected with the bearing through the connecting shaft; the second end of the rotating component is provided with a connecting groove; the sleeve joint component is connected with the rotating component through a connecting groove.
8. The apparatus according to claim 7, wherein the first and second limiting shafts are connected to the first and second threaded grooves in a mirror image on the outer wall of the rotating assembly.
9. The apparatus for locating a tumor site via a gastroscopic clamp track as claimed in claim 1 wherein said socket assembly comprises: the nail-shaped structure comprises a threaded nail, and a first end of the threaded nail is provided with a limiting block and is connected with the connecting groove through the limiting block; and a guide structure is arranged in the screw.
10. The apparatus for locating tumor position through gastroscopic clamp track according to claim 5 characterized in that the connection of said liquid return tube and hydraulic cylinder is equipped with a protection structure for preventing the over-expansion of liquid guide tube; preferably, the protection structure includes: a protection piece, a pressure plate and a return spring III; the first end of the protection piece is connected with the hydraulic cylinder, and the second end of the protection piece is connected with the liquid return pipe; a placing cavity is arranged in the protecting piece; the first end of the placing cavity is provided with a groove for placing a pressure plate; the pressure plate is arranged in the groove; and the third first end of the return spring is connected with the second end of the placing cavity, and the third second end of the return spring is connected with the pressure plate.
CN202210192796.XA 2022-03-01 2022-03-01 Instrument for positioning tumor position through gastroscope clamping channel Active CN114557779B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210192796.XA CN114557779B (en) 2022-03-01 2022-03-01 Instrument for positioning tumor position through gastroscope clamping channel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210192796.XA CN114557779B (en) 2022-03-01 2022-03-01 Instrument for positioning tumor position through gastroscope clamping channel

Publications (2)

Publication Number Publication Date
CN114557779A true CN114557779A (en) 2022-05-31
CN114557779B CN114557779B (en) 2022-11-18

Family

ID=81715507

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210192796.XA Active CN114557779B (en) 2022-03-01 2022-03-01 Instrument for positioning tumor position through gastroscope clamping channel

Country Status (1)

Country Link
CN (1) CN114557779B (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4682606A (en) * 1986-02-03 1987-07-28 Decaprio Vincent H Localizing biopsy apparatus
US5383456A (en) * 1992-12-18 1995-01-24 The Ohio State University Research Foundation Radiation-based laparoscopic method for determining treatment modality
CN103932792A (en) * 2014-03-28 2014-07-23 郝博 Lasso for holding and positioning rectal
CN203885612U (en) * 2014-06-17 2014-10-22 石爱俭 Gastroscope
CN105877850A (en) * 2016-05-26 2016-08-24 王洛 Tumor mark needle and tumor mark injector
CN111990951A (en) * 2020-09-25 2020-11-27 妙思医疗科技(上海)有限公司 Endoscope device and system for treating gastroesophageal reflux disease and control method thereof
CN112057028A (en) * 2020-08-26 2020-12-11 常州市武进人民医院 Positioning device for assisting in tumor resection
CN112353434A (en) * 2020-10-16 2021-02-12 南方医科大学南方医院 Gastric cancer surgical instrument

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4682606A (en) * 1986-02-03 1987-07-28 Decaprio Vincent H Localizing biopsy apparatus
US5383456A (en) * 1992-12-18 1995-01-24 The Ohio State University Research Foundation Radiation-based laparoscopic method for determining treatment modality
CN103932792A (en) * 2014-03-28 2014-07-23 郝博 Lasso for holding and positioning rectal
CN203885612U (en) * 2014-06-17 2014-10-22 石爱俭 Gastroscope
CN105877850A (en) * 2016-05-26 2016-08-24 王洛 Tumor mark needle and tumor mark injector
CN112057028A (en) * 2020-08-26 2020-12-11 常州市武进人民医院 Positioning device for assisting in tumor resection
CN111990951A (en) * 2020-09-25 2020-11-27 妙思医疗科技(上海)有限公司 Endoscope device and system for treating gastroesophageal reflux disease and control method thereof
CN112353434A (en) * 2020-10-16 2021-02-12 南方医科大学南方医院 Gastric cancer surgical instrument

Also Published As

Publication number Publication date
CN114557779B (en) 2022-11-18

Similar Documents

Publication Publication Date Title
US20190374360A1 (en) Methods for toposcopic sleeve delivery
ES2296053T3 (en) SURGICAL BOARD FOR USE IN A SURGICAL ACCESS DEVICE.
US20110172491A1 (en) Detachable balloon catheter
US9101742B2 (en) Gastrointestinal applicator and method of using same
ES2333072T3 (en) FLEXIBLE TROCAR WITH REVERSIBLE SLEEVE SYSTEM.
ES2873176T3 (en) Apparatus for manipulating the side wall of a body lumen or body cavity to provide increased visualization thereof and / or increased access thereto, and / or to stabilize instruments relative thereto
ES2689500T3 (en) Bypass systems of an anastomosis site
US20120035582A1 (en) Methods and systems for handling or delivering materials for natural orifice surgery
JP5503527B2 (en) Endoscope barrel with connector
CN108025161A (en) The expansion delivery system of medical treatment device
AU2008243244A1 (en) Dual lumen catheter and method for minimally invasive endoluminal surgery
JP5785951B2 (en) Low length one-way valve
CN104146740B (en) Porta blocking-up device
CN114557779B (en) Instrument for positioning tumor position through gastroscope clamping channel
ES2929743T3 (en) dilatable balloon catheter
CN217285714U (en) Instrument convenient for positioning tumor position through gastroscope clamping channel
US11529143B2 (en) Flow control valve
EA027657B1 (en) Method of surgical treatment of intestinal obstructions in narrow and large intestine and device for its implementation
JP2021528165A (en) Multi-chamber balloon catheter devices and methods
CN110226990B (en) Support for intestinal anastomotic stoma leakage
CN115245407A (en) Trans-femoral valve repair transporter
CN219847579U (en) Biliary tract drainage device after intrahepatic duct calculus excision
CN217852918U (en) Endoscope expansion structure
US11241245B2 (en) Tissue deflecting devices and related methods of use
JP3444966B2 (en) Guide for inserting long objects

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant