Suture instrument for gastroscope and head assemblyTechnical Field
The invention relates to the technical field of gastroscopes, in particular to a suture device for a gastroscope and a head assembly.
Background
Endoscopes are detection instruments that integrate traditional optics, ergonomics, precision machinery, modern electronics, mathematics, software, and the like. An optical lens, light source illumination, mechanical device, etc. with an image sensor, it can be passed into the stomach through the mouth or into the body through other natural tunnels. The lesions that cannot be seen by X-rays can be seen with an endoscope, so that it is very useful for doctors. For example, an endoscope may be used to view ulcers or tumors in the stomach, thereby creating an optimal treatment regimen.
The patent number 2023228605620 discloses a suture device and a head component for a gastroscope, in the patent, a spring tube on the fixed component can drive the head component to rotate up and down by 30 degrees by adjusting a fixed switch, and the suture angle is adjusted to facilitate suturing, but in actual operation, because of different differences of wound surfaces among individuals, a suture needle cannot suture the wound surface accurately in the suture process, and the surrounding organs can be damaged, and the suture device and the head component for the gastroscope are designed.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: in the prior art, due to different differences of wound surfaces among individuals, the wound surfaces cannot be accurately sutured in the suturing process of the suture needle, and the surrounding organs can be damaged.
In order to solve the technical problems, the invention provides the following technical scheme: the suture instrument for the gastroscope and the head component comprise a fixed ring, wherein the inside of the fixed ring is fixedly connected with a positioning sleeve, and the inside of the positioning sleeve is fixedly connected with a tissue capturing component;
The tissue capturing component comprises a sleeve, the inner top wall of the sleeve is fixedly connected with a thrust spring, the bottom of the thrust spring is fixedly connected with a needle bar, the outer surface of the needle bar is provided with a thread groove, the inner wall of the sleeve is fixedly connected with a limit ball, the limit ball is located in the thread groove, and the bottom of the needle bar is fixedly connected with a spiral crochet needle.
As a preferred embodiment of the gastroscopic stapler and head assembly according to the present invention, wherein: the top of the sleeve is in sealing arrangement, the bottom of the sleeve is in opening arrangement, and the spiral crochet hook rotates to extend out to the bottom of the sleeve when capturing tissues.
As a preferred embodiment of the gastroscopic stapler and head assembly according to the present invention, wherein: the needle bar is connected inside the sleeve in a sliding mode, a pull rope is fixedly connected to the top of the needle bar, and the top of the pull rope penetrates through and extends to the top of the sleeve.
As a preferred embodiment of the gastroscopic stapler and head assembly according to the present invention, wherein: the bottom of the fixed ring is fixedly connected with a spring tube, the bottom of the spring tube is fixedly connected with a splicing block, and the inner side of the splicing block is provided with a needle groove for installing a suture needle;
The fixed ring is characterized in that first hinging rods are fixedly connected to two sides of the bottom of the fixed ring, second hinging rods are fixedly connected to the top of the splicing block, and the second hinging rods are rotatably connected with the opposite ends of the first hinging rods.
A stapler for gastroscope comprising an outer tube, a gastroscope, a fixation assembly, a handle assembly and a head assembly according to any one of claims;
The gastroscope is fixed on the outer tube through the fixed subassembly, the handle subassembly is connected at the top of outer tube, the head subassembly is connected in outer tube bottom, the handle subassembly is used for controlling the head subassembly, the head subassembly is used for the tissue to catch and the surface of a wound is sewed up.
As a preferred embodiment of the gastroscopic stapler and head assembly according to the present invention, wherein: the handle assembly comprises a handle, the handle is fixedly connected to the top of the outer tube, the outer surface of the handle is rotationally connected with a position locking assembly, the output end of the position locking assembly is fixedly connected to the splicing block, and the outer surface of the outer tube is movably sleeved with a movable sleeve;
The guide way that runs through has been seted up to the surface of handle, the inside wall fixedly connected with guide block of removal cover, the inside of guide block wears out the guide way and extends to the inside of handle, the inboard fixedly connected with backup pad of guide block, the top fixedly connected with reset spring of backup pad, a plurality of fixed orificess have been seted up at the top of backup pad, the fixed orifices is used for the fixed at stay cord top.
As a preferred embodiment of the gastroscopic stapler and head assembly according to the present invention, wherein: the top of the handle is provided with an opening, the top of the handle is fixedly connected with a top plate, and the top of the return spring is abutted to the bottom of the top plate;
And the outer side wall of the movable sleeve is fixedly connected with a fingerstall.
As a preferred embodiment of the gastroscopic stapler and head assembly according to the present invention, wherein: the position locking assembly comprises a rotating rod, a round hole is formed in the outer surface of the handle, one end of the rotating rod penetrates through the round hole and extends to the outer side of the handle, and an adjusting block is fixedly sleeved at one end of the rotating rod;
The outer surface fixed cover of dwang is equipped with accomodates the wheel, accomodate the inside that the wheel is located the handle, accomodate the surface winding of wheel and have the regulation rope, the regulation rope does not interfere with the stay cord each other, the bottom of regulation rope passes outer tube and spring pipe and fixed connection on the splice.
As a preferred embodiment of the gastroscopic stapler and head assembly according to the present invention, wherein: the position locking assembly further comprises an adjusting screw rod which is connected to the adjusting block in a threaded mode, one end of the adjusting screw rod penetrates through the adjusting block and extends into the rotating rod, and one end of the adjusting screw rod is connected with the conical block in a rotating mode;
The inside both sides of dwang are connected with the locking piece through the pivot rotation, toper piece butt is between two locking pieces, the surface cover of pivot is equipped with the torsional spring, the logical groove of run through has been seted up to the both sides of dwang.
As a preferred embodiment of the gastroscopic stapler and head assembly according to the present invention, wherein: one end fixed connection of torsional spring is on the dwang, the other end fixed connection of torsional spring is on the locking piece, the length of logical groove is greater than the length of locking piece, the width of logical groove is greater than the width of locking piece, accomodate in the inside of dwang when locking piece initial state, locking piece butt is on the round hole inner wall of handle after the head subassembly angle modulation.
The invention has the beneficial effects that:
1. According to the invention, when the wound surface is required to be stitched, the needle bar is pushed by the resilience force of the thrust spring, the limiting ball slides in the thread groove, the needle bar is enabled to extend out to the bottom of the sleeve in a rotating way under the limit of the limiting ball, and the spiral crochet needle is abutted in tissues; when the needle bar is pulled upwards, the thrust spring is stressed to shrink, the spiral crochet needle spirally rotates into the tissue to capture the tissue, the tissue is pulled upwards, and the pulled tissue is sutured through the suture needle, so that the tissue around the wound surface can be sutured in a targeted manner.
2. In the invention, the tail end of the splicing block is pulled upwards, and the second hinging rod rotates at the hinging point of the first hinging rod and the second hinging rod, so that the head end of the splicing block is inclined downwards; when the tail end of the splicing block is pushed by the elastic force of the spring tube, the second hinging rod rotates at the hinging point of the first hinging rod and the second hinging rod, so that the head end of the splicing block is inclined upwards; and then can make the concatenation piece rotate from top to bottom, adjust the angle that the surface of a wound was sewed up.
3. According to the invention, through the arrangement of the handle assembly, the top of the pull rope penetrates through the outer tube and is fixed on the support plate, the index finger and the middle finger of a user are inserted into the two finger sleeves, and the thumb of the user presses the top plate, so that the movable sleeve can slide up and down on the outer surface of the handle; when the movable sleeve slides upwards, the supporting plate is driven to move upwards by the guide block, and the needle bar is pulled upwards by the pull rope, so that the suturing of the tissues around the wound surface is facilitated; when the movable sleeve slides downwards, the pull rope is loose, the needle bar is pushed by the resilience force of the thrust spring, the needle bar can rotate in the sleeve, the movable sleeve continuously slides downwards, the needle bar can extend out to the bottom of the sleeve in a rotating manner, the spiral crochet hook is abutted in tissues, and the capture of the tissues around the wound surface is facilitated.
4. According to the invention, through the arrangement of the position locking assembly, the rotating rod can rotate in the round hole of the handle by rotating the adjusting block, the rotating rod can drive the containing wheel to rotate, and the adjusting rope in the containing wheel can pull or loosen the splicing block, so that the angle of the splicing block can be conveniently adjusted.
5. According to the invention, through the arrangement of the position locking assembly, the adjusting screw is rotated anticlockwise, the conical block is driven to move into the rotating rod, the two locking blocks are spread, and the two locking blocks extend out of the through groove and are abutted against the inner wall of the round hole of the handle, so that the storage wheel is prevented from rotating, the adjusted suturing angle can be locked, the structure is simple, the operation is convenient, and the wound surface suturing effect is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention.
FIG. 2 is a schematic view of the head assembly of the present invention.
FIG. 3 is a cross-sectional view of the structure of the tissue capturing element of the present invention.
Fig. 4 is a schematic view of the structure of the sleeve and the limiting ball according to the present invention.
Fig. 5 is a schematic view of the structure of the needle bar of the present invention.
FIG. 6 is a schematic view of the handle assembly of the present invention.
FIG. 7 is a schematic view of a position locking assembly according to the present invention.
FIG. 8 is a partial cross-sectional view of the position locking assembly of the present invention.
Fig. 9 is a schematic view of the construction of the moving sleeve, return spring and finger sleeve of the present invention.
Fig. 10 is a schematic view of the structure of the guide block, support plate and return spring of the present invention.
FIG. 11 is a schematic view of the construction of the mobile sleeve and finger sleeve of the present invention.
In the figure: 100. an outer tube; 200. a head assembly; 201. a fixing ring; 202. a positioning sleeve; 203. a tissue capturing component; 2031. a sleeve; 2032. a thrust spring; 2033. a needle bar; 2034. a thread groove; 2035. a limit ball; 2036. a spiral crochet needle; 2037. a pull rope; 204. a spring tube; 205. splicing blocks; 206. a first hinge lever; 207. a second hinge lever; 208. a needle groove; 300. a gastroscope; 400. a fixing assembly; 500. a handle assembly; 501. a handle; 502. a position locking assembly; 5021. a rotating lever; 5022. an adjusting block; 5023. adjusting a screw; 5024. a conical block; 5025. a rotating shaft; 5026. a locking block; 5027. a torsion spring; 5028. a through groove; 5029. a storage wheel; 503. a moving sleeve; 504. a guide groove; 505. a guide block; 506. a support plate; 507. a return spring; 508. a fixing hole; 509. a finger stall; 510. and a top plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the prior art, due to different differences of wound surfaces among individuals, the wound surfaces cannot be accurately sutured in the suturing process of the suture needle, and the surrounding organs can be damaged.
In order to solve the above problems, the present application provides a gastroscope stapler and a head assembly, and the following detailed descriptions are provided, and the description sequence of the following embodiments is not to be construed as limiting the preferred sequence of the embodiments of the present application, and in the following embodiments, the description of each embodiment is focused on, and reference may be made to the related description of other embodiments in a portion where the description of each embodiment is not detailed.
Example 1
Referring to fig. 1 to 5, a suture device and head assembly for gastroscope comprises a fixing ring 201, wherein a positioning sleeve 202 is fixedly connected to the inside of the fixing ring 201, and a tissue capturing component 203 is fixedly connected to the inside of the positioning sleeve 202;
The tissue capturing component 203 comprises a sleeve 2031, a thrust spring 2032 is fixedly connected to the inner top wall of the sleeve 2031, a needle rod 2033 is fixedly connected to the bottom of the thrust spring 2032, a thread groove 2034 is formed in the outer surface of the needle rod 2033, a limit ball 2035 is fixedly connected to the inner wall of the sleeve 2031, the limit ball 2035 is located inside the thread groove 2034, and a spiral hooked needle 2036 is fixedly connected to the bottom of the needle rod 2033.
When the wound surface needs to be sutured, the rebound force of the thrust spring 2032 pushes the needle rod 2033, the limit ball 2035 slides in the thread groove 2034, the needle rod 2033 is enabled to extend to the bottom of the sleeve 2031 in a rotating way under the limit of the limit ball 2035, and the spiral hook needle 2036 is abutted in tissues; when the needle bar 2033 is pulled upwards, the thrust spring 2032 is stressed to shrink, the spiral hooked needle 2036 spirally rotates into the tissue to capture the tissue and pull the tissue upwards, and the pulled tissue is sutured through the suture needle, so that the tissue around the wound surface can be sutured in a targeted manner.
The top of the sleeve 2031 is in a sealed arrangement, the bottom of the sleeve 2031 is in an open arrangement, and the spiral hooked needle 2036 rotates to extend to the bottom of the sleeve 2031 when capturing tissue.
The needle bar 2033 is slidably connected inside the sleeve 2031, a pull rope 2037 is fixedly connected to the top of the needle bar 2033, and the top of the pull rope 2037 penetrates through and extends to the top of the sleeve 2031.
The bottom of the fixed ring 201 is fixedly connected with a spring tube 204, the bottom of the spring tube 204 is fixedly connected with a splicing block 205, and the inner side of the splicing block 205 is provided with a needle groove 208 for installing a suture needle; the both sides fixedly connected with first articulated lever 206 of solid fixed ring 201 bottom, the top fixedly connected with second articulated lever 207 of joint piece 205, second articulated lever 207 rotates with the opposite end of first articulated lever 206 and is connected.
Pulling the tail end of the splice block 205 upward, the second hinge lever 207 rotates at the hinge point of the first hinge lever 206 and the second hinge lever 207, so that the head end of the splice block 205 is inclined downward; when the tail end of the splicing block 205 is pushed by the elastic force of the spring tube 204, the second hinge rod 207 rotates at the hinge point of the first hinge rod 206 and the second hinge rod 207, so that the head end of the splicing block 205 is inclined upwards; and then the splicing block 205 can be rotated up and down to adjust the angle of wound surface suturing.
Example 2
This embodiment is based on the previous embodiment, and is different from the previous embodiment in that this embodiment provides a suture device for gastroscope.
Referring to fig. 1, a suture device for gastroscope includes an outer tube 100, a gastroscope 300, a fixing assembly 400, a handle assembly 500 and a head assembly 200;
Gastroscope 300 is secured to outer tube 100 by securing assembly 400, handle assembly 500 is attached to the top of outer tube 100, head assembly 200 is attached to the bottom of outer tube 100, handle assembly 500 is used to manipulate head assembly 200, and head assembly 200 is used for tissue capture and wound suturing.
Example 3
This embodiment is based on the previous embodiment and differs from the previous embodiment in that this embodiment provides a handle assembly 500 for use with the head assembly 200.
Referring to fig. 6 to 11, a handle assembly 500 includes a handle 501, the handle 501 is fixedly connected to the top of the outer tube 100, the outer surface of the handle 501 is rotatably connected with a position locking assembly 502, the output end of the position locking assembly 502 is fixedly connected to a splicing block 205, and a moving sleeve 503 is movably sleeved on the outer surface of the outer tube 100;
the guide way 504 that runs through has been seted up to the surface of handle 501, and the inside wall fixedly connected with guide block 505 of removal cover 503, guide block 505's inboard wears out guide way 504 and extends to the inside of handle 501, and guide block 505's inboard fixedly connected with backup pad 506, backup pad 506's top fixedly connected with reset spring 507, a plurality of fixed orificess 508 have been seted up at backup pad 506's top, and fixed orificess 508 is used for the fixed at stay 2037 top.
The top of the handle 501 is provided with an opening, the top of the handle 501 is fixedly connected with a top plate 510, and the top of the return spring 507 is abutted to the bottom of the top plate 510; finger cuffs 509 are fixedly attached to the outer side walls of the movable sleeve 503.
The top of the pull cord 2037 is passed through the outer tube 100 and secured to the support plate 506, with the user's index and middle fingers inserted into the two finger cuffs 509, and the user's thumb pressed against the top plate 510, causing the movable cuff 503 to slide up and down over the outer surface of the handle 501; when the movable sleeve 503 slides upwards, the supporting plate 506 is driven to move upwards by the guide block 505, and the needle rod 2033 is pulled upwards by the pull rope 2037, so that the suturing of the peripheral tissues of the wound surface is facilitated; when the movable sleeve 503 slides downwards, the pull rope 2037 is loosened, the rebound force of the thrust spring 2032 pushes the needle rod 2033, so that the needle rod 2033 rotates on the sleeve 2031, the movable sleeve 503 continuously slides downwards, the needle rod 2033 extends out to the bottom of the sleeve 2031 in a rotating manner, and the spiral hooked needle 2036 abuts in tissues, so that the capture of tissues around a wound surface is facilitated.
Example 4
This embodiment is based on the previous embodiment and differs from the previous embodiment in that this embodiment provides a position locking assembly 502 for suture angle adjustment.
Referring to fig. 7, the position locking assembly 502 includes a rotation rod 5021, a round hole is formed on an outer surface of the handle 501, one end of the rotation rod 5021 passes through the round hole and extends to the outer side of the handle 501, and an adjusting block 5022 is fixedly sleeved at one end of the rotation rod 5021;
The outer surface fixed cover of dwang 5021 is equipped with accomodates wheel 5029, accomodates the inside that wheel 5029 is located handle 501, accomodates the surface winding of wheel 5029 and has the regulation rope, and the regulation rope does not interfere with stay cord 2037 each other, and the bottom of regulation rope passes outer tube 100 and spring pipe 204 and fixed connection on splice 205.
The rotation adjusting block 5022 can enable the rotating rod 5021 to rotate in the round hole of the handle 501, the rotating rod 5021 can drive the storage wheel 5029 to rotate, and an adjusting rope in the storage wheel 5029 can pull or loosen the splicing block 205, so that the angle of the splicing block 205 can be adjusted conveniently.
Example 5
This embodiment is based on the previous embodiment and differs from the previous embodiment in that this embodiment provides a position locking assembly 502 for locking after adjustment of the suture angle.
Referring to fig. 8, the position locking assembly 502 further includes an adjusting screw 5023, the adjusting screw 5023 is in threaded connection with the adjusting block 5022, one end of the adjusting screw 5023 passes through the adjusting block 5022 and extends into the rotating rod 5021, and one end of the adjusting screw 5023 is rotatably connected with a conical block 5024; inside both sides of dwang 5021 are connected with locking piece 5026 through the rotation of pivot 5025, and toper piece 5024 butt is between two locking pieces 5026, and the surface cover of pivot 5025 is equipped with torsional spring 5027, and logical groove 5028 that runs through has been seted up to the both sides of dwang 5021.
One end fixed connection of torsional spring 5027 is on dwang 5021, and torsional spring 5027's the other end fixed connection is on lock block 5026, and logical groove 5028's length is greater than lock block 5026's length, and logical groove 5028's width is greater than lock block 5026's width, accomodates in the inside of dwang 5021 when lock block 5026 initial condition, lock block 5026 butt behind the head unit 200 angle modulation on the round hole inner wall of handle 501.
Anticlockwise rotation adjusting screw 5023 can drive toper piece 5024 to remove in to dwang 5021 to strut two locking pieces 5026, two locking pieces 5026 stretch out and the butt is on the round hole inner wall of handle 501 in the logical inslot 5028, prevents to accomodate round 5029 and takes place rotatoryly, and then can lock the angle of sewing up after the adjustment, simple structure, convenient operation has improved the surface of a wound and has sewed up the effect.
Working principle: in use, the user's index and middle fingers are inserted within the two finger cuffs 509 and the user's thumb is pressed against the top plate 510;
when the wound surface is required to be stitched, the force for pressing the top plate 510 is loosened, the back elasticity of the reset spring 507 pushes the supporting plate 506, the movable sleeve 503 slides downwards, the pull rope 2037 is loosened, the rebound force of the thrust spring 2032 pushes the needle rod 2033, the limit ball 2035 slides in the thread groove 2034, and the needle rod 2033 can rotate in the sleeve 2031;
The moving sleeve 503 continuously slides downwards, the needle rod 2033 extends to the bottom of the sleeve 2031 in a rotating way, and the spiral hooked needle 2036 is abutted in tissues;
Then, the index finger and the middle finger of the user pull the finger sleeve 509 upwards, the movable sleeve 503 slides upwards, the supporting plate 506 is driven to move upwards by the guide block 505, the needle rod 2033 is pulled upwards by the pull rope 2037, the thrust spring 2032 is stressed to shrink, the spiral hooked needle 2036 spirally rotates into tissues to capture the tissues and pull the tissues upwards, and the pulled tissues are sutured by the suture needle, so that the tissues around the wound surface can be sutured in a targeted manner;
After suturing, the force pressing the top plate 510 is loosened, the spiral hooked needle 2036 rotates to release the tissue, and then the spiral hooked needle 2036 is retracted into the needle shaft 2033 for the next tissue capture;
When the stitching angle is adjusted, the adjusting block 5022 is rotated, so that the rotating rod 5021 rotates in the round hole of the handle 501, the rotating rod 5021 can drive the containing wheel 5029 to rotate, and an adjusting rope in the containing wheel 5029 can pull or loosen the splicing block 205, so that the angle of the splicing block 205 is convenient to adjust;
After adjustment, anticlockwise rotation adjusting screw 5023 can drive toper piece 5024 to remove in the dwang 5021 to strut two locking piece 5026, two locking piece 5026 stretch out and the butt is on the round hole inner wall of handle 501 in the logical inslot 5028, prevents to accomodate wheel 5029 and takes place rotatoryly, can lock the suturing angle after the adjustment.
Those skilled in the art will appreciate that the above-described embodiments are exemplary and not limiting. The different technical features presented in the different embodiments may be combined to advantage. Other variations to the disclosed embodiments can be understood and effected by those skilled in the art in view of the drawings, the description, and the claims. Any reference signs in the claims shall not be construed as limiting the scope. The presence of certain features in different dependent claims does not imply that these features cannot be combined to advantage.