CN112137657B

CN112137657B - A scope puncture instrument for gastroenterology surgery

Info

Publication number: CN112137657B
Application number: CN202011020920.1A
Authority: CN
Inventors: 曹新东; 陆坚
Original assignee: Suzhou Frankenman Medical Equipment Co Ltd
Current assignee: Suzhou Frankenman Medical Equipment Co Ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2022-09-02
Anticipated expiration: 2040-09-25
Also published as: CN112137657A

Abstract

The invention discloses an endoscope puncture tool for digestive endoscope surgery, which comprises: the puncture outfit comprises a handle, a puncture outfit and a handle, wherein the handle is provided with a power cavity and an installation cavity respectively, a firing device is installed in the installation cavity, the firing device is connected with a length adjusting mechanism, an installation mechanism is connected above the length adjusting mechanism, and the installation mechanism is connected with the puncture outfit; trigger device drive piercing depth's biopsy sample, length adjustment mechanism is used for adjusting piercing depth's the depth of putting into, installation mechanism is used for quick-connect piercing depth, piercing depth is used for patient's puncture biopsy sample, trigger device includes: the invention relates to a hydraulic cylinder, a push rod, a push plate, a slide block and a return spring, which can adjust the insertion depth of a puncture device, adjust the length of a biopsy needle sampling groove, automatically trigger sampling and judge whether the puncture device is inserted in place or not.

Description

A scope puncture instrument for digestion scope surgery

Technical Field

The invention relates to the technical field of medical instruments, in particular to an endoscope puncture tool for digestive endoscopy surgery.

Background

The puncture is a diagnosis and treatment technology which is used for puncturing a puncture needle into a body cavity to extract secretion for testing, or establishing a guide channel in a patient body to facilitate subsequent operation and treatment.

However, the conventional puncture device has the following problems in use: (1) the length of the biopsy groove is generally fixed between two values and three values and cannot be adjusted randomly according to needs; (2) the puncture needle cannot detect whether the puncture needle is completely inserted, and the accuracy of sampling may be influenced if the puncture needle is not inserted; (3) the installation is inconvenient; (4) the puncture needle has no protection mechanism.

Disclosure of Invention

The present invention is directed to an endoscopic insertion tool for digestive endoscopic surgery to solve the above-mentioned problems of the background art.

In order to achieve the purpose, the invention provides the following technical scheme: an endoscopic puncture tool for digestive endoscopic surgery, comprising: the handle is provided with a power cavity and an installation cavity respectively, a firing device is installed in the installation cavity, the firing device is connected with a length adjusting mechanism, an installation mechanism is connected above the length adjusting mechanism, and the installation mechanism is connected with a puncture device;

further, the firing device comprises: the hydraulic cylinder comprises a hydraulic cylinder body, an ejector rod, a push plate, a sliding block and a reset spring, wherein the output end of the hydraulic cylinder body is in transmission connection with the ejector rod, one end of the ejector rod is fixedly connected with the side wall of the push plate, the reset spring is sleeved on the sliding block, and the two ends of the sliding block are fixed on the two sides of the inner wall of the installation cavity.

Further, the length adjustment mechanism includes: telescopic link, connecting plate, recess, infrared ray range finding sensor, the telescopic link symmetry install in the both sides of connecting plate, the both ends of telescopic link respectively with the connecting plate with the lateral wall fixed connection of push pedal, infrared ray range finding sensor install in the recess, infrared ray range finding sensor's probe top is not more than the notch of recess.

Furthermore, the grooves are symmetrically formed in the side walls of two sides of the push plate, sliding grooves are symmetrically formed in two sides of the bottom of the push plate and two sides of the bottom of the connecting plate, the push plate and the sliding grooves in the bottom of the connecting plate are connected to the sliding block in a sliding mode, and the cross sections of the connecting plate and the push plate are consistent in size.

Further, installation mechanism includes spliced pole, limiting plate, spring loop pole, spacing post, spliced pole symmetrical mount in the top of push pedal, the bottom threaded connection of spliced pole in the top of push pedal, the activity groove has been seted up to the top both sides of spliced pole, limiting plate movable mounting in the activity inslot, be connected with the spring loop pole between the lateral wall of limiting plate.

Further, the top of spliced pole is equipped with the cavity, spring loop pole equidistance is installed in two the limiting plate is located between the lateral wall in the spliced pole cavity, the limiting plate is two semi-arc boards that the size is the same.

Further, the puncture device includes: fixed plate, pjncture needle body, biopsy needle, snap ring, the fixed plate with the one end fixed connection of biopsy needle, biopsy needle cup joint in the pjncture needle is originally internal, the snap ring connect in the both sides of pjncture needle body.

Further, the position of snap ring with the position looks adaptation of spacing post, the connecting hole has been seted up on the fixed plate, the diameter size of spliced pole with the internal diameter size looks adaptation of connecting hole, biopsy needle be equipped with the puncture end, biopsy needle has been close to the position of wearing the side and has been seted up the sample groove, be equipped with the scale on the pjncture needle body, but the telescopic link is cup jointed by axial activity's inner tube and outer tube and forms, biopsy needle's length is greater than do the inner tube of telescopic link and the length sum of outer tube add with the length of pjncture needle body's total, spacing post symmetry install in the top of connecting plate, the push pedal arrives the most advanced length of pjncture needle body is less than the length of installation cavity inner chamber.

Further, one side of the handle is rotatably connected with a cover body, a trigger switch and a distance adjusting knob are installed at the top of the cover body, a microprocessor is installed on one side of the trigger switch, pressure sensors are installed on the periphery of the outer wall of one side of the handle, and the distance adjusting knob, the trigger switch and the pressure sensors are electrically connected with the microprocessor.

Further, the division board is installed to the equidistance in the power cavity, pneumatic cylinder fixed mounting is in two between the division board, two the division board with the battery has been placed between the lateral wall in power cavity, the battery passes through wire electronic component electric connection, semicircular groove has been seted up to one side of installation cavity, semicircular groove is used for puncture needle body passes through, semicircular groove set up the position with puncture needle body's mounting height looks adaptation.

Compared with the prior art, the invention has the beneficial effects that:

(1) according to the invention, the firing device is arranged, and the hydraulic cylinder arranged on the firing device drives the ejector rod to stretch and retract so as to drive the fixedly connected push plate to stretch and retract, thereby firing the biopsy needle to take a sample.

(2) The length adjusting mechanism is arranged, so that the hydraulic cylinder of the firing device can stretch to drive the push plate to stretch, and further drive the connecting plate fixedly connected through the telescopic rod to stretch, so that the embedding depth of the puncture needle body is adjusted, and the embedded depth value can be observed through the scales arranged on the puncture needle body.

(3) The invention is provided with an infrared distance measuring sensor through a length adjusting mechanism, so that the distance between a connecting plate of the infrared distance measuring sensor and a push plate is measured, distance measuring data is transmitted to a microprocessor, a distance adjusting knob is used for selecting a distance adjusting gear, the microprocessor is used for controlling the ejection distance of a hydraulic cylinder, further the length of a sampling groove of a biopsy needle extending out of a puncture needle body is controlled, and further the length of the sampling groove is adjusted.

(4) According to the invention, the pressure sensor is arranged, after the length of the puncture needle is adjusted, a doctor holds the handle to puncture, when the puncture depth is not in place, the microprocessor locks the trigger switch, an operator cannot start the hydraulic cylinder through the trigger switch, when the handle is punctured to abut against the skin surface of a patient, pressure is generated, the pressure sensor transmits pressure data to the microprocessor, the microprocessor receives pressure information and then releases the locking of the trigger switch, at the moment, the operator can start the trigger device through the trigger switch after adjusting the position of the puncture needle body, biopsy sampling is carried out, the puncture device is further protected, and the phenomenon that the accuracy of sampling is influenced because the trigger device is started by mistake due to the fact that the puncture is not in place is avoided.

(5) According to the invention, the side wall of the sampling groove close to the side of the needle end of the biopsy needle is designed to be the inclined blade, so that soft tissues are not damaged when the sampling groove is pushed out, and the blade type design of the side wall can assist in cutting the sample tissues more quickly when the sampling groove is retracted.

(6) According to the invention, the mounting mechanism is arranged, an operator can rapidly mount and dismount the puncture device, when the puncture device is used, the limiting plate is kneaded by two hands, so that the limiting rod is contracted towards the inner cavity of the top of the connecting column under the action of the spring sleeve rod, the fixing plate is sleeved or taken down, and then the biopsy needle is taken down.

(7) The length from the push plate to the tip end of the puncture needle body is smaller than the length of the inner cavity of the installation cavity, so that the biopsy needle and the puncture needle body are conveniently arranged in the installation cavity and the needle head is protected from being damaged.

Drawings

FIG. 1 is a schematic diagram of a front view of an internal structure according to an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of the embodiment of FIG. 1 at A;

FIG. 3 is a schematic structural diagram of a front view of the embodiment of FIG. 1;

FIG. 4 is a schematic structural view of the firing device in the embodiment of FIG. 1;

FIG. 5 is an enlarged schematic view of the embodiment of FIG. 4 at B;

FIG. 6 is a schematic structural view of the mounting mechanism of the embodiment of FIG. 1;

FIG. 7 is a schematic view of the puncturing device in the embodiment of FIG. 1;

fig. 8 is a schematic view of the biopsy needle and needle body of the embodiment of fig. 1.

Reference numerals: 1. a handle; 2. a power cavity; 3. a mounting cavity; 4. a firing device; 41. a hydraulic cylinder; 42. a top rod; 43. pushing a plate; 44. a slider; 45. a return spring; 5. a length adjustment mechanism; 51. a telescopic rod; 52. a connecting plate; 53. a groove; 54. an infrared ranging sensor; 6. an installation mechanism; 61. connecting columns; 62. a limiting plate; 63. a spring loop bar; 64. a limiting column; 7. a puncture device; 71. a fixing plate; 711. connecting holes; 72. a puncture needle body; 73. a biopsy needle; 74. a snap ring; 75. a sampling groove; 8. a cover body; 9. a trigger switch; 10. a microprocessor; 11. a pressure sensor; 12. a partition plate; 13. a storage battery; 14. a semicircular notch; 15. and a distance adjusting knob.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, an endoscopic insertion tool for digestive endoscopic surgery includes: the device comprises a handle 1, wherein the handle 1 is respectively provided with a power cavity 2 and an installation cavity 3, a firing device 4 is installed in the installation cavity 3, the firing device 4 is connected with a length adjusting mechanism 5, an installation mechanism 6 is connected above the length adjusting mechanism 5, and the installation mechanism 6 is connected with a puncture device 7;

the percussion device 4 drives the puncture device 7 to take a biopsy sample, the length adjusting mechanism 5 is used for adjusting the placing depth of the puncture device 7, the installation mechanism 6 is used for quickly connecting the puncture device 7, and the puncture device 7 is used for taking a biopsy sample after puncture of a patient.

The firing device 4 includes: the hydraulic device comprises a hydraulic cylinder 41, a push rod 42, a push plate 43, a sliding block 44 and a reset spring 45, wherein the output end of the hydraulic cylinder 41 is in transmission connection with the push rod 42, one end of the push rod 42 is fixedly connected with the side wall of the push plate 43, the reset spring 45 is sleeved on the sliding block 44, two ends of the sliding block 44 are fixed on two sides of the inner wall of the installation cavity 3, the push rod 42 is driven to stretch by the hydraulic cylinder 41, and then the push plate 43 which is fixedly connected is driven to stretch and retract and is buffered by the reset spring 45.

The length adjusting mechanism 5 includes: the novel adjustable sampling device comprises an expansion link 51, a connecting plate 52, a groove 53 and an infrared distance measuring sensor 54, wherein the model of the infrared distance measuring sensor 54 is TF-Luna8m, the expansion link 51 is symmetrically installed on two sides of the connecting plate 52, two ends of the expansion link 51 are respectively fixedly connected with the connecting plate 52 and the side wall of the push plate 43, the infrared distance measuring sensor 54 is installed in the groove 53, the top of a probe of the infrared distance measuring sensor 54 is not more than the notch of the groove 53, when the length is required to be adjusted, a hydraulic cylinder 41 is used for driving an ejector rod 42 to stretch, the ejector rod 42 is used for driving the push plate 43 to stretch and further drive the connecting plate 52 to stretch, and further the puncturing device 7 installed on an installation mechanism 6 connected with an adjusting mechanism is driven to adjust the length so as to control the length of a sampling groove 75.

The grooves 53 are symmetrically formed in the side walls of the two sides of the push plate 43, sliding grooves are symmetrically formed in the two sides of the bottoms of the push plate 43 and the connecting plate 52, the sliding grooves in the bottoms of the push plate 43 and the connecting plate 52 are connected to the sliding block 44 in a sliding mode, and the cross sections of the connecting plate 52 and the push plate 43 are the same in size, so that the push plate and the connecting plate 52 can move conveniently.

The mounting mechanism 6 comprises a connecting column 61, a limiting plate 62, a spring sleeve rod 63 and limiting columns 64, the limiting columns 64 are symmetrically mounted on the top of the connecting plate 52, the bottom of the connecting column 61 is in threaded connection with the top of the push plate 43, movable grooves are formed in two sides of the top of the connecting column 61, the limiting plate 62 is movably mounted in the movable grooves, the spring sleeve rod 63 is connected between the side walls of the limiting plates 62, the limiting plates 62 are kneaded by two hands during mounting, the limiting plates 62 are enabled to shrink towards the inner cavity of the top of the connecting column 61 under the action of the spring sleeve rod 63, so that the fixing plate 71 is sleeved in, the limiting plates 62 are loosened and the connecting column 61 is rotated after the fixing plate 71 is sleeved in the connecting column 61 until the bottoms of the limiting plates 62 are tightly attached to the top of the fixing plate 71, and meanwhile, the clamping rings 74 are clamped into the limiting columns 64 along with the biopsy needles 73 for limiting and fixing.

The top of spliced pole 61 is equipped with the cavity, spring loop bar 63 equidistance is installed in two the limiting plate 62 is located between the lateral wall in the spliced pole 61 cavity, limiting plate 62 is two semi-arc boards that the size is the same, is convenient for provide the space for the shrink between two limiting plates 62.

The puncture device 7 includes: fixed plate 71, pjncture needle body 72, biopsy needle 73, snap ring 74, fixed plate 71 with the one end fixed connection of biopsy needle 73, biopsy needle 73 cup joint in pjncture needle body 72, snap ring 74 connect in pjncture needle body 72's both sides, biopsy needle 73 are fixed mutually through fixed plate 71 and installation mechanism 6's spliced pole 61, and pjncture needle body 72 carries out spacingly through snap ring 74 card income spacing post 64 in, avoids pjncture needle body 72 to shift.

The position of snap ring 74 with the position looks adaptation of spacing post 64, connecting hole 711 has been seted up on fixed plate 71, the diameter size of spliced pole 61 with the internal diameter size looks adaptation of connecting hole 711, biopsy needle 73 be equipped with the puncture end, biopsy needle 73 has been close to the position of wearing the side and has been seted up sampling groove 75, and the lateral wall that sampling groove 75 is close to one side of biopsy needle 73 needle end is the blade design of tilting, can not harm the tissue software when sampling groove 75 is released, can assist when sampling groove 75 withdraws and cut the sample tissue, pushes away biopsy needle 73 during the sample, exposes sampling groove 75, then withdraws biopsy needle 73 fast and take a sample, and the sample is cut in sampling groove 75, be equipped with the scale on pjncture needle body 72, be convenient for observe the depth of putting in real time, telescopic link 51 is formed by the cup joint of inner tube and outer tube that can axially move, the length of biopsy needle 73 is greater than the length of inner tube and the outer tube of telescopic link 51 with this puncture needle The sum of the length of the body 72 enables the firing device 4 not to be limited by the length of the telescopic rod 51 when pushing out the push plate 43, so that the pushing out failure is caused, the sampling is influenced, the limiting columns 64 are symmetrically arranged at the top of the connecting plate 52, the length of the push plate 43 to the tip of the puncture needle body 72 is smaller than that of the inner cavity of the mounting cavity 3, the puncture needle body 72 can be conveniently accommodated in the handle 1, and the damage to the needle head is avoided.

Handle 1's one side is rotated and is connected with lid 8, percussion switch 9 and roll adjustment knob 15 are installed AT the top of lid 8, and a plurality of gears can be established according to the length commonly used to the length of roll adjustment knob 15, microprocessor 10 is installed to one side of percussion switch 9, microprocessor 10's model is N76E003AT20, pressure sensor 11 is installed all around to the outer wall of one side of handle 1, pressure sensor 11's model is ZZ110-012, roll adjustment knob 15 percussion switch 9 pressure sensor 11 with microprocessor 10 electric connection can control through microprocessor 10 roll adjustment knob 15 percussion switch 9 can collect pressure signal transmission to microprocessor 10 through pressure sensor 11.

The utility model discloses a puncture needle, including power chamber 2, division board 12, pneumatic cylinder 41 fixed mounting in two between the division board 12, two division board 12 with battery 13 has been placed between the lateral wall of power chamber 2, battery 13 passes through wire electronic component electric connection, semicircle notch 14 has been seted up to one side of installation cavity 3, semicircle notch 14 is used for puncture needle body 72 passes through, the position of seting up of semicircle notch 14 with puncture needle body 72's mounting height looks adaptation, the puncture needle body 72 of being convenient for passes through semicircle notch 14.

In summary, according to the endoscope puncturing tool for the digestive endoscope surgery, during operation, firstly the cover body 8 is opened, then the puncturing device 7 is installed on the installation mechanism 6, the limiting plate 62 is kneaded by the two fingers, the limiting plate 62 contracts towards the inner cavity of the connecting column 61 under the action of the spring sleeve rod 63, the connecting hole 711 formed in the fixing plate 71 in the puncturing device 7 is sleeved into the connecting column 61 and is positioned below the limiting plate 62, the clamping ring 74 is clamped into the limiting column 64, and then the connecting column 61 is rotated, so that the bottom of the limiting plate 62 of the connecting column 61 abuts against the bottom of the fixing plate 71 to be fixed;

then, the insertion depth of the puncture needle body 72 is adjusted as required, the adjustment firstly enables the telescopic rod 51 to be in a fully extended state, the top plate 43 and the connecting plate 52 to be in a maximum distance, then the hydraulic cylinder 41 is started to drive the ejector rod 42 to contract, the push plate 43 moves on the ejector rod 42 to contract the lower slide block 44 to the contraction direction of the ejector rod 42, and then the insertion scale is adjusted to a required position;

then, the length of the sampling slot 75 required during sampling is selected, the distance adjusting knob 15 is rotated to select the length, after the distance adjusting knob 15 points to the selected length, the microprocessor 10 can start the hydraulic cylinder 41 to push out the corresponding length according to the selected gear, and the push-out length of the hydraulic cylinder 41 is calculated as: adding the required length of the sampling groove 75 to the distance between the connecting plate 52 and the push plate 43 tested by the infrared distance measuring sensor 54, and then subtracting the length from the tip of the biopsy needle 73 to one side of the sampling groove 75;

then, the puncture operation is carried out, when the puncture needle body 72 is completely inserted, the pressure sensor 11 on the side wall of one side of the handle 1 detects a pressure value signal and transmits the pressure value signal to the microprocessor 10, and when the microprocessor 10 receives a pressure value larger than 0, the locking of the trigger switch 9 is released, so that the situation that an operator mistakenly touches the trigger switch 9 when the puncture is not inserted in place is avoided;

finally, after the puncture needle body 72 is completely placed in the puncture needle body, the triggering device 4 is started, the microprocessor 10 controls the hydraulic cylinder 41 to push the ejector rod 42 to extend, the ejector rod 42 pushes the push plate 43 to move the distance calculated by the length command selected by the distance adjusting knob 15 on the slide block 44, so that the sampling groove 75 pushes the puncture needle body 72 out according to the selected length, an operator selects and adjusts the position needing biopsy sampling according to the requirement, then the triggering switch 9 is pressed, the triggering switch 9 controls the hydraulic cylinder 41 to contract, the side blade of the sampling groove 75 cuts off the sampled tissue in the contraction process, the biopsy needle 73 is retracted into the puncture needle body 72, sampling is completed, and when the sample needs to be taken out, the step that the sampling groove 75 is pushed out can be repeated.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An endoscopic puncture tool for digestive endoscopic surgery, comprising: the handle (1) is characterized in that the handle (1) is provided with a power cavity (2) and a mounting cavity (3) respectively, a firing device (4) is mounted in the mounting cavity (3), the firing device (4) is connected with a length adjusting mechanism (5), an installation mechanism (6) is connected above the length adjusting mechanism (5), and the installation mechanism (6) is connected with a puncture device (7); the firing device (4) drives the puncture device (7) to perform biopsy sampling, the length adjusting mechanism (5) is used for adjusting the embedding depth of the puncture device (7), the mounting mechanism (6) is used for quickly connecting the puncture device (7), and the puncture device (7) is used for sampling the puncture biopsy of a patient; the firing device (4) comprises: the hydraulic cylinder (41), an ejector rod (42), a push plate (43), a sliding block (44) and a return spring (45), wherein the output end of the hydraulic cylinder (41) is in transmission connection with the ejector rod (42), one end of the ejector rod (42) is fixedly connected with the side wall of the push plate (43), the return spring (45) is sleeved on the sliding block (44), and two ends of the sliding block (44) are fixed on two sides of the inner wall of the installation cavity (3); the length adjustment mechanism (5) includes: the telescopic rod (51) is symmetrically installed on two sides of the connecting plate (52), two ends of the telescopic rod (51) are respectively and fixedly connected with the connecting plate (52) and the side walls of the push plate (43), the grooves (53) are symmetrically formed in the side walls of the two sides of the push plate (43), the infrared ranging sensor (54) is installed in the grooves (53), and the top of a probe of the infrared ranging sensor (54) does not exceed a notch of the grooves (53); installation mechanism (6) include spliced pole (61), limiting plate (62), spring loop bar (63), spacing post (64) symmetry install in the top of connecting plate (52), the bottom threaded connection of spliced pole (61) in the top of push pedal (43), movable groove has been seted up to the top both sides of spliced pole (61), limiting plate (62) movable mounting in movable groove, be connected with spring loop bar (63) between the lateral wall of limiting plate (62), piercing depth (7) include: the biopsy needle comprises a fixing plate (71), a puncture needle body (72), a biopsy needle (73) and a clamping ring (74), wherein the fixing plate (71) is fixedly connected with one end of the biopsy needle (73), the biopsy needle (73) is sleeved in the puncture needle body (72), and the clamping ring (74) is connected to two sides of the puncture needle body (72); the position of the clamping ring (74) is matched with the position of the limiting column (64), a connecting hole (711) is formed in the fixing plate (71), the diameter of the connecting column (61) is matched with the inner diameter of the connecting hole (711), a puncture end is arranged on the biopsy needle (73), a sampling groove (75) is formed in the position, close to the puncture end, of the biopsy needle (73), scales are arranged on the puncture needle body (72), and the telescopic rod (51) is formed by sleeving an inner tube and an outer tube which can move axially; one side of handle (1) is rotated and is connected with lid (8), trigger switch (9) and roll adjustment knob (15) are installed at the top of lid (8), microprocessor (10) are installed to one side of trigger switch (9) the outer wall of one side of handle (1) installs pressure sensor (11) all around, roll adjustment knob (15) trigger switch (9) with pressure sensor (11) with microprocessor (10) electric connection.

2. An endoscopic puncture tool for gastroenterological endoscopic surgery according to claim 1, wherein the bottom of the push plate (43) and the connecting plate (52) are symmetrically provided with sliding grooves at both sides, and the sliding grooves at the bottom of the push plate (43) and the connecting plate (52) are slidably connected to the sliding block (44).

3. An endoscopic puncture tool for gastroenterological endoscopic surgery according to claim 2, wherein the top of the connecting column (61) is provided with a cavity, the spring sleeve rods (63) are equidistantly installed between the side walls of the two limiting plates (62) in the cavity of the connecting column (61), and the limiting plates (62) are two semi-arc plates with the same size.

4. An endoscope puncturing tool for digestive endoscopy surgery according to claim 3, characterized in that the power chamber (2) is internally provided with partition plates (12) at equal intervals, the hydraulic cylinder (41) is fixedly arranged between the two partition plates (12), a storage battery (13) is arranged between the two partition plates (12) and the side wall of the power chamber (2), the storage battery (13) is electrically connected with a wire electronic element, one side of the mounting chamber (3) is provided with a semicircular notch (14), the semicircular notch (14) is used for the puncture needle body (72) to pass through, and the arrangement position of the semicircular notch (14) is matched with the installation height of the puncture needle body (72).