CN214804608U - Endoscope tip of stapler for fundus ventriculi folding - Google Patents

Abstract

The utility model discloses an endoscope tip of a stapler for folding the fundus of the stomach, which comprises a tip seat, wherein the end surface of the tip seat is provided with a nail anvil, a micro-camera, a LED lamp, an ultrasonic detector and a tip positioning pin; the nail anvil is fixedly arranged in the middle of the end face, and two ends of the nail anvil are respectively fixedly connected with the front end seat through nail anvil fixing screws; the upper surface of the nail anvil protrudes out of the end surface of the front end seat; the miniature camera and the LED lamp are positioned on one side of the nail anvil, and the ultrasonic detector and the end positioning pin are positioned on the other side of the nail anvil. The utility model discloses can constitute the nailing mechanism with the side of rigidity section to can carry out the huge instantaneous nailing resultant force in the nailing operation process at the stapler.

Description

Endoscope tip of stapler for fundus ventriculi folding

Technical Field

The utility model relates to a minimally invasive surgery treatment instrument, in particular to an endoscope tip of a stapler for folding the stomach fundus.

Background

Gastroesophageal reflux disease (GERD) refers to the reflux of excess contents of the stomach or duodenum into the esophagus, causing symptoms such as acid regurgitation, heartburn, and the like, and may cause esophagitis and tissue damage other than the esophagus, such as the pharynx, larynx, trachea, and the like. Gastroesophageal reflux disease (GERD) is a common disease in Western countries, and studies have shown that the incidence rate of gastroesophageal reflux disease in Western countries is about 10% -20%, Australia is about 11.6%, and Asian is about 5% in recent years. The incidence rate increases with the age, and the age of 40-60 years is the peak incidence age, and men and women have no difference, but patients with reflux esophagitis are more male than female. With the improvement of the living standard of residents, the requirements of people on the quality of life are continuously improved, and the gastroesophageal reflux prevalence rate is 5.77 percent in China according to the statistics of the digestive disease society of the Chinese medical society. Patients with gastroesophageal reflux disease in general can be cured by changing lifestyle or medication. However, some patients with cardia laxity or hiatal hernia have poor effects after drug treatment, some patients can only solve part of symptoms after drug treatment, and some patients need to insist on taking the medicine for a long time, and the patients need to be treated by surgical operation. Studies have shown that about 25% to 30% of patients with GERD have poor drug therapy or are intolerant of long-term medication and require surgical treatment.

The existing surgical treatment of gastroesophageal reflux disease generally adopts laparoscopic fundoplication or endoscopic suturing technology and radio frequency ablation technology, although the problem of repeated attack of symptoms can be solved, postoperative complications are often accompanied, and the postoperative quality of life is greatly influenced, so the mode of surgical treatment of gastroesophageal reflux disease is not popularized, and once the gastroesophageal reflux disease is suffered, the quality of life of a patient is obviously reduced.

In order to improve the quality of life of a patient, chinese patent document CN111671480A discloses an endoscopic stapling device for performing fundoplication, which is used in fundoplication minimally invasive stapling surgery under an endoscope, can treat moderate to severe gastroesophageal reflux disease, does not need to cut the abdominal cavity or any body surface incision in the whole operation process, as in the conventional gastroscopy, selects a suture position from the oral cavity through the esophagus and from the endoscope to the fundus, utilizes a visual internal camera to determine the positions of a staple box and the top end of the endoscope through an ultrasonic detector for positioning, selects 3 or more than 3 positions to staple the fundus to the lower esophageal segment, performs anterior fundoplication, performs the whole operation under the endoscope, can be completed in only 1-2 hours, has high patient compliance, small wound, no body surface incision and quick recovery, and significantly shortens the hospitalization time and recovery time, can effectively replace the lifelong drug therapy and the traditional operation mode of the gastroesophageal reflux disease.

The working principle of the instrument is that part of the fundus stomach is folded outside the lower esophageal segment by controlling the movement of the top part, and the fundus stomach and the lower esophageal segment are fixed together by nailing, so that a new acute angle His angle is formed around the esophagus, and the cardia anti-reflux barrier is strengthened to prevent the reflux of the gastroesophageal tract. Therefore, the therapeutic effect of the operation is directly dependent on the stapling effect of the fundus and the lower esophageal segment. The good and bad nailing and fixing effect of the fundus stomach and the lower esophagus depends on the matching performance of the chopping block at the top end part and the rigid section.

In addition, the apparatus is in the nailing operation in-process, and the chopping block can receive huge instantaneous nailing resultant force, if the stability that sets up the chopping block at top portion is not enough, can seriously influence the deformation effect of titanium nail after the nailing operation to finally influence the fixed effect of nailing.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an scope elder generation portion of stapler is used in stomach fundus fold is provided, it can constitute the nailing mechanism with the side of rigidity section to can carry huge instantaneous nail to close in the stapler execution nailing operation process.

In order to solve the technical problem, the utility model discloses the folding scope elder generation tip with stapler in stomach end's technical solution does:

the device comprises a front end seat 6-1, wherein the end surface of the front end seat 6-1 is provided with a nail anvil 6-2, a micro camera 8, an LED lamp 9, an ultrasonic detector 10 and an end positioning pin 11; the nail anvil 6-2 is fixedly arranged in the middle of the end face, and two ends of the nail anvil 6-2 are fixedly connected with the front end seat 6-1 through nail anvil fixing screws 6-8 respectively; the upper surface of the nail anvil 6-2 protrudes out of the end surface of the front end seat 6-1; the miniature camera 8 and the LED lamp 9 are positioned on one side of the nail anvil 6-2, and the ultrasonic detector 10 and the end positioning pin 11 are positioned on the other side of the nail anvil 6-2.

In another embodiment, two nail anvil screws 6-3 are movably arranged inside the front end seat 6-1, the nail anvil screws 6-3 are fixedly connected with driven gears 6-5, and the two driven gears 6-5 are jointly meshed with a driving gear; the driving gear is arranged on the nail anvil screw driving shaft 6-4, and the nail anvil screw driving shaft 6-4 can rotate under the driving of power; the nail anvil screw driving shaft 6-4 drives the two driven gears 6-5 to synchronously rotate, and can drive the nail anvil screw 6-3 to make telescopic motion relative to the nail anvil 6-2, so that the head of the nail anvil screw 6-3 extends outwards from the nail anvil screw penetrating hole 6-2-1 of the nail anvil 6-2, and the relative positioning between the endoscope tip and the rigid section can be realized.

In another embodiment, the nail anvil 6-2 is provided with a nail anvil screw through hole 6-2-1, and the nail anvil screw through hole 6-2-1 corresponds to the nail anvil screw 6-3.

In another embodiment, the end surface 6-1-20 of the front end seat 6-1 is a plane, the middle part of the end surface 6-1-20 is provided with a nail anvil positioning slot 6-1-2 extending along the longitudinal direction, the bottom surface 6-1-25 of the nail anvil positioning slot 6-1-2 is a plane, the nail anvil positioning slot 6-1-2 is matched with the bottom of the nail anvil 6-2, and the nail anvil 6-2 is fixedly arranged in the nail anvil positioning slot 6-1-2 of the front end seat 6-1.

In another embodiment, two nail anvil screw guide sleeves 6-6 are fixedly arranged at the bottom of the nail anvil 6-2, and the nail anvil screw guide sleeves 6-6 are connected with the nail anvil screws 6-3 through threads; the nail anvil screw guide sleeves 6-6 are in one-to-one correspondence with the driven gears 6-5 and are coaxially arranged.

In another embodiment, the two ends of the nail anvil 6-2 are respectively provided with a nail anvil fixing threaded hole 6-2-9, and the nail anvil fixing threaded hole 6-2-9 is matched with the nail anvil fixing screw 6-8.

In another embodiment, two ends of the anvil 6-2 are respectively provided with a groove 6-2-10, and the anvil fixing threaded hole 6-2-9 is positioned in the groove 6-2-10.

In another embodiment, the side of the anvil 6-2 is provided with a positioning protrusion.

In another embodiment, the end surface of the ultrasonic probe 10 protrudes from the end surface of the front end seat 6-1 and is lower than the upper surface of the anvil 6-2.

In another embodiment, the micro-camera 8 and the LED light 9 are lower than the upper surface of the anvil 6-2.

In another embodiment, one side of the anvil 6-2 is provided with a water nozzle 22 and an air nozzle 21 having lateral outlets.

In another embodiment, the bottom of the driven gear 6-5 is provided with a driven gear axial positioning pin 6-7; the driven gear axial positioning pin 6-7 is longitudinally arranged in the driven gear axial positioning pin hole of the front end seat 6-1 in a penetrating way.

In another embodiment, the end positioning pin 11 is partially externally threaded, and the end positioning pin 11 is connected with the front end seat 6-1 through threads.

In another embodiment, the free end of the end positioning pin 11 is pointed.

The utility model discloses the technological effect that can reach is:

the utility model discloses a miniature camera machine locating hole and LED lamp locating hole are built-in miniature camera machine and LED lamp, and it is built-in with tip locating pin and ultrasonic wave detection instrument through tip locating pin holding hole and ultrasonic wave detection instrument mounting hole, make earlier tip have image acquisition, ultrasonic detection and the function of nailing concurrently.

The utility model discloses a nail anvil set screw realizes the fixed connection between nail anvil and the tip seat, and the dismantlement of nail anvil not only can be convenient for can increase the stability of being connected between nail anvil and the tip seat moreover, makes the nail anvil bear huge instantaneous nail and closes the connection state that still remains stable behind the power of resultant force.

The utility model discloses a nail anvil appearance rule, not only easily processing has reduced manufacturing cost, and rigidity is better moreover, can bear bigger instantaneous nail and combine together, consequently can carry out the deformation of titanium nail more regular after the operation of stitching at the stapler.

The utility model discloses the water nozzle that utilizes to have the side direction export can wash miniature camera machine and LED lamp, utilizes the gas nozzle that has the side direction export can sweep miniature camera machine and LED lamp to can keep miniature camera machine's the field of vision clear. Therefore, the utility model still has good peeping performance after entering the human body.

The utility model discloses an end face salient in the front end pedestal of ultrasonic wave detection instrument mounting hole can the ultrasonic wave detection instrument stretch out the front end pedestal slightly, makes the ultrasonic wave detection instrument transmission and receive the ultrasonic field of vision more open to ultrasonic wave detection instrument's detection precision has been promoted.

The utility model discloses the miniature camera machine, LED lamp, tip locating pin and the ultrasonic wave detection instrument that will be located the tip all set up in nail anvil both sides, and miniature camera machine, LED lamp, tip locating pin and ultrasonic wave detection instrument all are less than the upper surface of nail anvil, can avoid the interference of the stitching action, no matter whether equipment is in the stitching state, and miniature camera machine, LED lamp, tip locating pin and ultrasonic wave detection instrument can both guarantee respective normal operating condition.

Drawings

It is to be understood by those skilled in the art that the following description is merely exemplary in nature and that the principles of the present invention may be applied in numerous ways to achieve many different alternative embodiments. These descriptions are only used to illustrate the general principles of the teachings of the present invention and are not meant to limit the inventive concepts disclosed herein.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the general description given above and the detailed description of the drawings given below, serve to explain the principles of the invention.

The invention will be described in further detail with reference to the following drawings and detailed description:

FIG. 1 is a schematic view of the endoscope distal end portion of the stapler for fundoplication of the present invention;

fig. 2 is a schematic end view of the present invention;

FIG. 3 is a schematic sectional view A-A of FIG. 2;

fig. 4 is a side schematic view of the present invention;

fig. 5 is a schematic cross-sectional view of fig. 4 taken along line C-C.

Fig. 6 is an exploded schematic view of the present invention;

FIG. 7 is a schematic view of an anvil of the present invention;

FIG. 8 is a schematic view of an alternative angle of the anvil of the present invention;

fig. 9 is a schematic view of a tip seat of the present invention;

fig. 10 is a side schematic view of a tip seat of the present invention;

fig. 11 is a schematic sectional view B-B of fig. 10.

The reference numbers in the figures illustrate:

8 is a miniature camera, 9 is an LED lamp,

10 is an ultrasonic detector, 11 is an end positioning pin,

6-1 is a tip seat, 6-2 is a nail anvil,

6-3 is a nail anvil screw, 6-4 is a nail anvil screw driving shaft,

6-5 is a driven gear, 6-6 is a nail anvil screw guide sleeve,

6-7 are driven gear axial positioning pins, 6-8 are nail anvil fixing screws,

6-1-1 is a front end seat body, 6-1-2 is a nail anvil positioning groove,

6-1-3 is a through hole of a nail anvil screw driving shaft, 6-1-4 is a through hole of a driven gear,

6-1-5 is an LED lamp positioning hole, 6-1-6 is a micro camera positioning hole,

6-1-7 is an ultrasonic detector mounting hole, 6-1-8 is an end positioning pin accommodating hole,

6-1-20 is the end face of the front end seat, 6-1-21 is the screw hole of the front end seat,

6-1-22 is a notch, 6-1-23 is a water injection hole,

6-1-24 is a gas injection hole, 6-1-25 is the bottom surface of a nail anvil positioning groove,

21 is a gas nozzle, 22 is a water nozzle,

6-2-0 is a nail anvil body, 6-2-1 is a hole for the nail anvil screw to pass through,

6-2-2, 6-2-3, 6-2-4, 6-2-5 and 6-2-6 are titanium nail bending guide grooves,

6-2-7 and 6-2-8 are positioning projections, 6-2-81 are gaps,

the nail anvil fixing threaded hole is 6-2-9, and the groove is 6-2-10.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs.

As shown in fig. 1 to 6, the endoscope tip of the stapler for folding the fundus of the stomach of the present invention comprises a tip seat 6-1, the end surface of the tip seat 6-1 is provided with a nail anvil 6-2, a micro camera 8, an LED lamp 9, an ultrasonic detector 10 and a tip positioning pin 11, the nail anvil 6-2 is fixedly arranged in the middle of the end surface of the tip seat 6-1, and both ends of the nail anvil 6-2 are fixedly connected with the tip seat 6-1 through nail anvil fixing screws 6-8 respectively; the surface of the nail anvil 6-2 protrudes out of the end surface of the front end seat 6-1, so that bending force can be provided for the titanium nail; the length direction of the nail anvil 6-2 is the circumference of the rigid section of the stapler; the miniature camera 8 and the LED lamp 9 are positioned at one side of the nail anvil 6-2, and the ultrasonic detector 10 and the end positioning pin 11 are positioned at the other side of the nail anvil 6-2; the LED lamp 9 is used for providing an illumination light source, and the micro camera 8 is used for collecting images; the ultrasonic detector 10 is used for transmitting and receiving ultrasonic signals;

as shown in fig. 3, the middle part of the end positioning pin 11 forms an external thread, and the end positioning pin 11 is connected with the front end seat 6-1 through a thread; the free end of the end positioning pin 11 is a tip end, and the fixed end of the end positioning pin 11 is connected with a positioning pin driving motor; the end positioning pin 11 is driven to rotate by the positioning pin driving motor, so that the end positioning pin 11 can move in a telescopic manner relative to the front end seat 6-1; the free end of the end positioning pin 11 is matched with the positioning pin hole of the rigid section of the stapler, so that tissue positioning can be carried out, and the deviation of the positioning position of the tissue in the operation process is avoided or reduced.

As shown in fig. 5, two nail anvil screws 6-3 are movably arranged inside the front end seat 6-1, the nail anvil screws 6-3 are fixedly connected with driven gears 6-5, and the two driven gears 6-5 are jointly engaged with a driving gear; the driving gear is arranged on the nail anvil screw driving shaft 6-4, and the nail anvil screw driving shaft 6-4 can rotate under the driving of power;

the nail anvil screw driving shaft 6-4 drives the two driven gears 6-5 to synchronously rotate, and can drive the nail anvil screw 6-3 to make telescopic motion relative to the nail anvil 6-2, so that the head part of the nail anvil screw 6-3 extends outwards from the nail anvil screw penetrating hole 6-2-1 of the nail anvil 6-2, and can extend into the nail bin seat, and the relative positioning between the tip part and the rigid section is realized;

the bottom of the nail anvil 6-2 is fixedly provided with two nail anvil screw guide sleeves 6-6, and the nail anvil screw guide sleeves 6-6 are connected with the nail anvil screws 6-3 through threads; the nail anvil screw guide sleeves 6-6 are in one-to-one correspondence with the driven gears 6-5 and are coaxially arranged; the nail anvil screw guide sleeve 6-6 can guide the nail anvil screw 6-3, so that the stroke of the nail anvil screw 6-3 can be accurately controlled;

the bottom of the driven gear 6-5 is provided with a driven gear axial positioning pin 6-7; the driven gear axial positioning pin 6-7 is longitudinally arranged in a driven gear axial positioning pin hole of the front end seat 6-1 in a penetrating way; the driven gear axial positioning pin 6-7 can axially limit the driven gear 6-5, and prevent the driven gear 6-5 from axial displacement.

As shown in fig. 7 and 8, the nail anvil 6-2 comprises a nail anvil body 6-2-0 with an arc-shaped upper surface, and the arc-shaped upper surface of the nail anvil body 6-2-0 is matched with the side part of the rigid section; the length direction of the anvil body 6-2-0 corresponds to the circumferential direction (i.e., the arc length direction) of the rigid section; when the end part is in a nailing state, the surface of the nail anvil body 6-2-0 is matched with the side part of the rigid section; the upper surface of the nail anvil 6-2 is used as a working surface thereof;

the nail anvil body 6-2-0 is provided with two nail anvil screw penetrating holes 6-2-1, and the nail anvil screw penetrating holes 6-2-1 correspond to the nail anvil screws 6-3;

five groups of titanium nail bending guide grooves 6-2-2, 6-2-3, 6-2-4, 6-2-5 and 6-2-6 are distributed on the surface of the nail anvil body 6-2-0 (five different patterns are used for respectively representing the groove bottoms of the five groups of titanium nail bending guide grooves in figure 7); each group of titanium nail bending guide grooves comprises two parallel bending guide grooves, and each bending guide groove corresponds to one nail leg of a titanium nail; the bottom of each bending guide groove is arc-shaped with two high ends and a low middle part, and the bottom of each group of titanium nail bending guide grooves is symmetrically arranged; the bending guide groove can guide the bending direction of the titanium nail leg.

The side part of the anvil body 6-2-0 is provided with two positioning bulges 6-2-7 and 6-2-8; the two positioning bulges 6-2-7 and 6-2-8 are centrosymmetric relative to the center of the circle where the anvil body 6-2-0 is located; in order to avoid the interference between the positioning bulge 6-2-8 and the ultrasonic detector 10, a notch 6-2-81 is formed on the outer side of the positioning bulge 6-2-8;

the two ends of the nail anvil body 6-2-0 are respectively provided with nail anvil fixing threaded holes 6-2-9, and the screw connection between the nail anvil fixing screws 6-8 and the nail anvil 6-2 can be realized through the matching of the nail anvil fixing screws 6-8 and the nail anvil fixing threaded holes 6-2-9; the utility model realizes the fixed connection between the nail anvil 6-2 and the first end seat 6-1 through two nail anvil fixing screws 6-8, which not only can facilitate the disassembly of the nail anvil 6-2, but also can increase the connection stability between the nail anvil 6-2 and the first end seat 6-1, so that the nail anvil 6-2 still keeps a stable connection state after bearing huge instantaneous nail resultant force;

the two ends of the nail anvil body 6-2-0 are respectively provided with a groove 6-2-10, and the nail anvil fixing threaded hole 6-2-9 is positioned in the groove 6-2-10, so that the nail anvil fixing screw 6-8 in the nail anvil fixing threaded hole 6-2-9 can be hidden in the groove 6-2-10 and cannot be exposed on the surface of the nail anvil body 6-2-0, the smoothness of the surface of the nail anvil 6-2 is improved, and the injury to a human body caused by the tip part in the process of entering a human body channel is avoided;

the nail anvil 6-2 of the utility model has regular appearance, is easy to process, has better rigidity and can bear larger instantaneous nail resultant force.

As shown in fig. 9 to 11, the tip seat 6-1 includes a tip seat body 6-1-1, an end surface 6-1-20 of the tip seat body 6-1-1 is a plane, a nail anvil positioning slot 6-1-2 extending along the longitudinal direction is arranged in the middle of the end surface 6-1-20, a bottom surface 6-1-25 of the nail anvil positioning slot 6-1-2 is a plane, the nail anvil positioning slot 6-1-2 is matched with the bottom of the nail anvil 6-2, and the nail anvil 6-2 is fixedly arranged in the nail anvil positioning slot 6-1-2;

two ends of the nail anvil positioning groove 6-1-2 are respectively provided with two openings 6-1-22; because the stapler mainly depends on the nail anvil screw 6-3 to realize the relative positioning between the tip and the rigid section in the operation process, and the nail anvil screw 6-3 needs to penetrate through two layers of tissues of the stomach fundus and the esophagus to extrude in the positioning process, considering factors such as operation risk and design risk of surgical instruments, when the nail anvil screw 6-3 fails to retract due to power failure and the nail anvil fixing screw 6-8 slips and the nail anvil 6-2 cannot be normally detached, the detachment tool can be completely fixed by utilizing the notch 6-1-22, so that the nail anvil 6-2 is detached from the tip seat 6-1, and the nail anvil screw 6-3 is retracted;

a nail anvil screw driving shaft penetrating hole 6-1-3 and two driven gear penetrating holes 6-1-4 are formed in the nail anvil positioning groove 6-1-2; the driving shaft through hole 6-1-3 of the nail anvil screw and the driven gear through hole 6-1-4 extend along the axial direction;

both ends of the nail anvil positioning groove 6-1-2 are respectively provided with a screw hole 6-1-21 of a tip seat; the screw holes 6-1-21 of the tip seat extend along the axial direction; the screw hole 6-1-21 of the front end seat corresponds to the screw hole 6-2-9 for fixing the nail anvil of the nail anvil 6-2;

one side of the front end seat body 6-1-1 is provided with a micro camera positioning hole 6-1-6 and an LED lamp positioning hole 6-1-5, a micro camera 8 is fixedly arranged in the micro camera positioning hole 6-1-6, an LED lamp shade is fixedly arranged at the end part of the LED lamp positioning hole 6-1-5, and an LED lamp 9 is fixedly arranged in the LED lamp positioning hole 6-1-5;

the side of the front end seat body 6-1-1 is also provided with a water injection hole 6-1-23 and a gas injection hole 6-1-24; the end of the water injection hole 6-1-23 is fixedly connected with a water nozzle 22 with a side outlet, and the end of the gas injection hole 6-1-24 is fixedly connected with a gas nozzle 21 with a side outlet; when the water injection holes 6-1-23 spray water outwards, the water nozzle 22 sprays water to the miniature camera 8 and the LED lamp 9, so that the lens of the miniature camera 8 and the LED lamp 9 are washed; when the gas injection holes 6-1-24 exhaust outwards, the gas nozzle 21 enables the gas flow to be sprayed to the micro-camera 8 and the LED lamp 9, so that the lens of the micro-camera 8 and the LED lamp 9 are blown;

the other side of the front end seat body 6-1-1 is provided with an end positioning pin accommodating hole 6-1-8 and an ultrasonic detector mounting hole 6-1-7, and an ultrasonic detector 10 is fixedly arranged in the ultrasonic detector mounting hole 6-1-7; the lower part of the end positioning pin accommodating hole 6-1-8 forms an internal threaded hole, and the lower internal threaded hole of the end positioning pin accommodating hole 6-1-8 is connected with the end positioning pin 11 through threads;

as shown in fig. 10, the end surface of the mounting hole 6-1-7 of the ultrasonic probe protrudes beyond the end surface 6-1-20 of the tip seat 6-1-1, so that the ultrasonic probe can slightly protrude beyond the end surface 6-1-20 of the tip seat 6-1-1, thereby widening the field of view for transmitting and receiving ultrasonic waves by the ultrasonic probe; the end face of the end positioning pin accommodating hole 6-1-8 is flush with the end face of the ultrasonic detector mounting hole 6-1-7.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications of the present invention fall within the scope of the claims and their equivalent technologies, the present invention is also intended to include such modifications and variations.

Claims (10)

1. An endoscope tip of a stapler for folding the fundus of the stomach is characterized by comprising a tip seat (6-1), wherein the end surface of the tip seat (6-1) is provided with a nail anvil (6-2), a micro camera (8), an LED lamp (9), an ultrasonic detector (10) and a tip positioning pin (11);

the nail anvil (6-2) is fixedly arranged in the middle of the end face, and two ends of the nail anvil (6-2) are fixedly connected with the front end seat (6-1) through nail anvil fixing screws (6-8) respectively; the upper surface of the nail anvil (6-2) protrudes out of the end surface of the front end seat (6-1);

the miniature camera (8) and the LED lamp (9) are positioned on one side of the nail anvil (6-2), and the ultrasonic detector (10) and the end positioning pin (11) are positioned on the other side of the nail anvil (6-2).

2. The endoscope tip of the stapler for fundoplication according to claim 1, wherein two nail anvil screws (6-3) are movably arranged inside the tip seat (6-1), the nail anvil screws (6-3) are fixedly connected with driven gears (6-5), and the two driven gears (6-5) are jointly engaged with a driving gear; the driving gear is arranged on the nail anvil screw driving shaft (6-4), and the nail anvil screw driving shaft (6-4) can rotate under the driving of power; the nail anvil screw driving shaft (6-4) drives the two driven gears (6-5) to synchronously rotate, and can drive the nail anvil screw (6-3) to do telescopic motion relative to the nail anvil (6-2), so that the head of the nail anvil screw (6-3) extends outwards from the nail anvil screw penetrating hole (6-2-1) of the nail anvil (6-2), and the relative positioning between the endoscope tip and the rigid section can be realized.

3. The endoscope tip of the stapler for fundoplication of the stomach according to claim 2, wherein the nail anvil (6-2) is provided with a nail anvil screw through hole (6-2-1), and the nail anvil screw through hole (6-2-1) corresponds to the nail anvil screw (6-3).

4. The endoscope tip of the stapler for folding the fundus of the stomach according to claim 1, wherein the end surface (6-1-20) of the tip seat (6-1) is a plane, the middle part of the end surface (6-1-20) is provided with a nail anvil positioning slot (6-1-2) extending along the longitudinal direction, the bottom surface (6-1-25) of the nail anvil positioning slot (6-1-2) is a plane, the nail anvil positioning slot (6-1-2) is matched with the bottom of the nail anvil (6-2), and the nail anvil (6-2) is fixedly arranged in the nail anvil positioning slot (6-1-2) of the tip seat (6-1).

5. The endoscope tip of the stapler for fundus folding according to claim 1 or 2, wherein both ends of the nail anvil (6-2) are respectively provided with a nail anvil fixing threaded hole (6-2-9), and the nail anvil fixing threaded hole (6-2-9) is matched with the nail anvil fixing screw (6-8).

6. An endoscopic tip portion of a stapler for fundoplication according to claim 5, wherein both ends of said anvil (6-2) are formed with a groove (6-2-10), respectively, and said anvil fixing screw hole (6-2-9) is located in the groove (6-2-10).

7. Endoscopic tip portion of a stapler for fundoplication according to claim 1 or 2, characterized in that the side of the anvil (6-2) is provided with positioning protrusions.

8. Endoscopic tip portion of a stapler for fundoplication according to claim 1, wherein an end face of said ultrasonic probe (10) protrudes from an end face of said tip seat (6-1) and is lower than an upper surface of said anvil (6-2).

9. Endoscopic tip portion of a stapler for fundoplication according to claim 1, characterized in that said micro-camera (8) and LED light (9) are lower than the upper surface of said anvil (6-2).

10. Endoscopic tip portion of a stapler for fundoplication according to claim 1, characterized in that one side of said anvil (6-2) is provided with water nozzles (22) and air nozzles (21) with lateral outlets.

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