Anastomotic reinforcement component device and stapler component for minimally invasive surgery

Abstract

The present invention relates to the technical field of staplers, and in particular to an anastomosis reinforcement component device and a stapler component for minimally invasive surgery; the device comprises a reinforcement sheet component, a first reinforcement sheet bracket component, a second reinforcement sheet bracket component and a stapler component, wherein the reinforcement sheet component is mounted on the upper part of the stapler component; the first reinforcement sheet bracket component is arranged inside the reinforcement sheet component, and the first reinforcement sheet bracket component and the second reinforcement sheet bracket component cooperate to fix the reinforcement sheet component on the stapler component; the lower end of the first reinforcement sheet bracket component is clamped with the stapler component, and the upper end of the first reinforcement sheet bracket component is clamped with the second reinforcement sheet bracket component; the present invention can not only ensure the firm connection between the reinforcement sheet component and the stapler component, but also can staple the upper and lower reinforcement sheets into the tissue through the staplers, thereby improving the strength of the wound surface, avoiding bleeding and leakage of the wound surface, and reducing postoperative complications; the reinforcement sheet is integrally connected with the laparoscopic stapler component, which is easy to operate and reduces the application defects caused by the shedding, wrinkling and twisting of the reinforcement sheet.

Description

Technical Field

[0001] The present invention relates to the technical field of staplers, and in particular to an anastomotic stoma reinforcement component device and a stapler component for minimally invasive surgery. Background Art

[0002] Laparoscopic staplers used in minimally invasive surgery can staple tissues through staples while cutting, and are widely used in the reconstruction of organs such as the intestines, stomach, lungs, and pancreas, as well as tissue cutting, suturing, or anastomosis. The laparoscopic stapler consists of two parts, one is a power component for firing (which can be manual, electrically driven, or a robotic power arm), and the other is a laparoscopic stapler assembly. The laparoscopic stapler assembly includes a firing connecting rod assembly, a firing rod assembly, a joint head assembly, a stapler assembly, and a staple magazine assembly, and is also provided with a linear cutting knife for cutting tissue. The laparoscopic stapler can form multiple rows of straight staple lines on the tissue, and use the linear cutting knife to cut the tissue to form a straight anastomotic incision edge. This instrument can be used to conveniently perform anastomosis and reconstruction of organs, and is usually used in lung, esophagus, intestine or gastrointestinal, hepatobiliary and pancreatic surgeries. Compared with conventional open surgery that first uses a scalpel or surgical scissors to open the wound, laparoscopic staplers greatly reduce the risks of such surgical procedures and shorten the operation time, and are therefore widely used in surgical operations.

[0003] However, the rigidity of the staples alone cannot completely avoid bleeding and leakage of the anastomotic tissue. This is because the staples are rigid structures that cannot fully match the flexibility of the soft tissue, resulting in bleeding in the staple holes and leakage at the closed cut end faces (due to the tension of the tissue, the friction and slow cutting between the metal staples and the tissues cause a certain proportion of complications of anastomotic leakage in the medium and long term). To solve the above problems, the anastomotic reinforcement sheet can be used in conjunction with the stapler, so that while the stapler cuts and closes the wound surface, the reinforcement sheet is fixed to the wound surface to block the staple holes and increase the strength of the wound surface, thereby avoiding bleeding and leakage of the wound surface.

[0004] Prior art CN111466973A discloses a stapler reinforcement gasket assembly, including an anastomosis part, a fixing part and a suture part. The anastomosis part is arranged on the anastomosis area of ​​the stapler anastomosis structure and is made of degradable materials; the fixing part is arranged on the non-anastomosis area of ​​the stapler anastomosis structure; the suture line sutures the intersection of the anastomosis part and the fixing part, so that after the anastomosis part is anastomosed with the anastomosis stapler, the suture line is pulled out to separate the anastomosis part from the fixing part. However, the connection between the anastomosis part of the stapler reinforcement gasket assembly and the anastomosis structure of the stapler is not strong, and when stapling a small area of ​​tissue, the staples that are not nailed to the tissue are easy to scatter in the patient's body, and it is not easy for doctors to pick up the scattered staples.

[0005] Therefore, there is an urgent need to provide an anastomotic reinforcement component device and an anastomotic device for minimally invasive surgery. Summary of the invention

[0006] The present invention solves the technical problems existing in the prior art and provides an anastomotic stoma reinforcement component device and an anastomotic device component for minimally invasive surgery.

[0007] To achieve the above purpose, the technical solution adopted by the present invention is as follows:

[0008] A stoma reinforcement assembly device for minimally invasive surgery, comprising a reinforcement sheet assembly, a first reinforcement sheet bracket assembly, a second reinforcement sheet bracket assembly and a staple cartridge assembly, wherein the reinforcement sheet assembly comprises an upper reinforcement sheet, a connecting sheet, a lower reinforcement sheet, a fixing ring and a fixing cap, wherein the upper reinforcement sheet and the lower reinforcement sheet are connected via the connecting sheet, wherein at least one fixing ring is provided, the fixing ring is clamped on the upper reinforcement sheet, and the fixing cap is connected to one end of the upper reinforcement sheet away from the connecting sheet; and a plurality of downward protrusions are provided on the lower reinforcement sheet;

[0009] The lower reinforcement plate is installed on the upper part of the nail magazine assembly, and the downward protrusion is used to embed into a single nail magazine hole inside the nail magazine assembly; the first reinforcement plate bracket assembly is arranged between the upper reinforcement plate and the lower reinforcement plate, and the second reinforcement plate bracket assembly extends into the fixing ring and the fixing cap; the lower end of the first reinforcement plate bracket assembly is clamped with the nail magazine assembly, and the upper end of the first reinforcement plate bracket assembly is clamped with the second reinforcement plate bracket assembly.

[0010] Furthermore, one end of the lower reinforcing plate away from the connecting plate is integrally connected to at least one fixing belt, and the fixing belt is used to be inserted into the clamping space of the nail magazine assembly.

[0011] Furthermore, the upper reinforcing plate, the connecting plate and the lower reinforcing plate are integrally connected, and the fixing ring, the fixing cap and the upper reinforcing plate are also integrally connected; the upper reinforcing plate, the connecting plate, the lower reinforcing plate, the fixing ring, the fixing cap, the fixing belt and the downward protrusion are all made of degradable materials.

[0012] Furthermore, the nail magazine assembly includes a nail magazine, a slot, a slider and a pressure block, the nail magazine is provided with a first inclined portion, the first inclined portion is provided with a slot, the pressure block extends into the slot, the pressure block is engaged with the slot, a locking space is formed between the pressure block and the notch of the slot, and the slider is slidably connected to the bottom of the nail magazine; the slider is used to increase the locking space.

[0013] Furthermore, the nail magazine assembly also includes a nail pushing piece, an anastomosis staple and a nail magazine hole. The upper wall of the nail magazine is provided with a plurality of nail magazine holes. The interior of the nail magazine is provided with a plurality of nail pushing pieces. A nail pushing piece and an anastomosis staple are provided inside each of the nail magazine holes. The nail pushing piece in the same nail magazine hole is located below the anastomosis staple. The anastomosis staple is provided in a one-to-one correspondence with the downward protrusion, and the slider is also used to push the nail pushing piece.

[0014] Furthermore, both the fixing ring and the fixing cap are elastic.

[0015] Furthermore, the first reinforcement plate bracket assembly includes an upper fixing plate, a lower fixing plate, a fixed connecting plate, a clamping block and a first locking block, the upper fixing plate is connected to the lower fixing plate via the fixed connecting plate, the clamping block is connected to the lower fixing plate, the first locking block is connected to the upper fixing plate, the upper fixing plate presses the upper reinforcement plate onto the second reinforcement plate bracket assembly via the first locking block, and the lower fixing plate presses the lower reinforcement plate onto the nail magazine assembly via the clamping block.

[0016] Furthermore, the second reinforcing plate bracket assembly includes an upper connecting plate, and the upper connecting plate extends into the interior of the fixing ring and the fixing cap.

[0017] A stapler assembly for minimally invasive surgery comprises a reinforcement sheet assembly, a first reinforcement sheet bracket assembly, a nail magazine assembly, and also a nail anvil, a nail magazine bracket, a firing connecting rod, a firing rod assembly, a joint head assembly and a cutting knife. The nail anvil is connected to the nail magazine bracket by a hinge, the nail magazine assembly is clamped inside the nail magazine bracket, the nail anvil extends into the reinforcement sheet assembly, the first reinforcement sheet bracket assembly is located inside the reinforcement sheet assembly, the lower end of the first reinforcement sheet bracket assembly is clamped with the nail magazine bracket, and the upper end of the first reinforcement sheet bracket assembly is clamped with the nail anvil; the joint head assembly, the firing rod assembly, and the firing connecting rod are connected in sequence from an end close to the nail anvil to an end away from the nail anvil, and the cutting knife is connected inside the joint head assembly.

[0018] Furthermore, a protective cover is provided on one end of a group of opposite side walls of the anvil close to the joint head assembly, and a clearance groove is provided on the protective cover. One of the fixing rings passes through the clearance groove to fix the upper reinforcement plate on the anvil.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] (1) The lower reinforcing sheet of the present invention is provided with a plurality of downward protrusions, each of which corresponds to a staple. When the staples are driven into the patient's body, the staples pass through the downward protrusions and nail the reinforcing sheet assembly to the tissue. This can ensure a firm connection between the lower reinforcing sheet and the staple magazine assembly before the staples are driven in, and can also improve the wound strength when the staples are driven into the tissue, avoid wound bleeding and leakage, reduce postoperative complications, and prevent staples from scattering in the body. For staples that are not nailed to the tissue, the doctor only needs to cut off the part of the reinforcing sheet assembly with the unstapled staples, which is easy to operate.

[0021] (2) The reinforcing plate assembly of the present invention is integrally connected, and the materials of the various components in the reinforcing plate assembly are the same, which is convenient for fixation and has strong stability; the fixing belt is pressed onto the first inclined portion by the pressing block, and in the process of entering the patient's body, the fixing belt can be prevented from contacting the tissue and causing curling; the fixing ring is an elastic band, and the fixing ring can be clamped tightly against the nail seat or the upper connecting plate, thereby preventing the reinforcing plate assembly from wrinkling and falling off during the pulling process with the tissue. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of Example 1.

[0023] Figure 2 It is a schematic structural diagram of the reinforcement plate assembly in Example 1.

[0024] Figure 3 It is a schematic structural diagram of the nail magazine assembly in Example 1.

[0025] Figure 4 It is a partial enlarged view of Example 1 showing the relationship between the downward protrusion and the anastomotic staple structure.

[0026] Figure 5 It is a partial schematic diagram showing the internal structure of the nail magazine in Example 1.

[0027] Figure 6 It is a partial exploded enlarged view of Example 1 showing the structural relationship between the slider, the pressure block, and the fixing belt.

[0028] Figure 7 It is the assembly schematic diagram of embodiment 2.

[0029] Figure 8 yes Figure 7 Enlarged view of point A in the middle.

[0030] Description of reference numerals:

[0031] 1. Reinforcement sheet assembly; 11. Upper reinforcement sheet; 12. Lower reinforcement sheet; 13. Connecting sheet; 14. Fixing ring; 15. Fixing cap; 16. Fixing belt; 17. First cutting groove; 18. Downward protrusion; 19. Groove; 2. Nail stop; 21. Protective cover; 22. Giving way groove; 3. Nail magazine assembly; 31. Nail magazine; 32. Nail pusher; 33. Staple; 34. Slot; 35. Sliding block; 36. Second cutting groove ; 37, nail magazine hole; 38, pressure block; 39, first flange; 4, first reinforcement plate bracket assembly; 41, upper fixing plate; 42, lower fixing plate; 43, fixed connecting plate; 44, clamping block; 45, first locking block; 46, second locking block; 5, second reinforcement plate bracket assembly; 51, upper connecting plate; 6, firing connecting rod; 7, firing rod assembly; 8, joint head assembly; 9, nail magazine bracket; 91, second flange. DETAILED DESCRIPTION

[0032] The technical solution of the present invention will be clearly described below in conjunction with the accompanying drawings. Obviously, the described embodiments are not all embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without creative work belong to the protection scope of the present invention. It should be noted that the orientation or position relationship indicated by the terms "center", "up", "down", "left", "right", "vertical", "horizontal", etc. is based on the orientation or position relationship shown in the accompanying drawings. It is only for the convenience of describing the present invention and simplifying the description. It does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0033] Example 1

[0034] like Figure 1 As shown, the present invention provides an anastomosis reinforcement component device for minimally invasive surgery, including a reinforcement sheet assembly 1, a first reinforcement sheet bracket assembly 4, a second reinforcement sheet bracket assembly 5 and a nail magazine assembly 3, the reinforcement sheet assembly 1 is installed on the upper part of the nail magazine assembly 3, the first reinforcement sheet bracket assembly 4 is installed inside the reinforcement sheet assembly 1, the second reinforcement sheet bracket assembly 5 is arranged at the upper end of the reinforcement sheet assembly 1, the lower end of the first reinforcement sheet bracket assembly 4 is clamped with the nail magazine assembly 3, and the upper end of the first reinforcement sheet bracket assembly 4 is clamped with both the second reinforcement sheet bracket assembly 5 and the reinforcement sheet assembly 1.

[0035] like Figure 2As shown, the reinforcing sheet assembly 1 includes an upper reinforcing sheet 11, a lower reinforcing sheet 12, a connecting sheet 13, a fixing ring 14, a fixing cap 15 and a fixing belt 16. The upper reinforcing sheet 11 is connected to the lower reinforcing sheet 12 through the connecting sheet 13. The upper reinforcing sheet 11, the lower reinforcing sheet 12 and the connecting sheet 13 are integrally connected. The fixing cap 15 is integrally connected to the upper reinforcing sheet 11, and the fixing cap 15 is connected to the end of the outer wall of the upper reinforcing sheet 11 away from the connecting sheet 13; the fixing ring 14 is clamped on the upper reinforcing sheet 11, and there is at least one fixing ring 14. When there is one fixing ring 14, the fixing ring 14 is arranged at the end of the upper wall of the upper reinforcing sheet 11 away from the fixing cap 15. When there are multiple fixing rings 14, one of the fixing rings 14 is arranged at the end of the upper wall of the upper reinforcing sheet 11 away from the fixing cap 15, and the remaining fixing rings 14 are arranged at intervals along the length direction of the upper reinforcing sheet 11; the fixing ring 14 and the fixing cap 15 are both elastic. The bottom of the lower reinforcing sheet 12 is provided with a plurality of downward protrusions 18, and the upper wall of the lower reinforcing sheet 12 is provided with a plurality of grooves 19, and a groove 19 is provided inside each downward protrusion 18, and the provision of the grooves 19 facilitates the processing of the downward protrusion 18 structure. The lower reinforcing sheet 12 is fixedly connected to at least one fixing belt 16 at one end away from the connection with the connecting sheet 13, and two fixing belts 16 are provided in this embodiment, and the lower reinforcing sheet 12 is also provided with a first cutting groove 17 at one end away from the connection with the connecting sheet 13, and the first cutting groove 17 is located between the two fixing belts 16. The reinforcing sheet assembly 1 is made of degradable material.

[0036] like Figure 3 , Figure 4 As shown, the staple magazine assembly 3 includes a staple magazine 31, staple magazine holes 37, a staple pushing piece 32 and staples 33. The staple magazine 31 is an internally hollow structure. A plurality of staple magazine holes 37 are provided on the upper wall of the staple magazine 31. Each staple magazine hole 37 corresponds to a staple pushing piece 32 and a staple 33. The staple pushing piece 32 is located below the staple 33, and the staple 33 is inserted into the staple magazine hole 37. Each downward protrusion 18 of the lower reinforcing sheet 12 extends into a staple magazine hole 37, and the downward protrusion 18 is engaged with the staple magazine hole 37, so as to firmly fix the lower reinforcing sheet 12 on the staple magazine 31.

[0037] like Figure 3 , Figure 5 , Figure 6As shown, the end of the upper wall of the nail magazine 31 away from the connecting piece 13 is set as a first inclined portion, and the first inclined portion of the nail magazine 31 is set to be inclined downward from the end close to the connecting piece 13 to the end away from the connecting piece 13. A clamping groove 34 is provided on the first inclined portion, and a pressure block 38 is clamped in the clamping groove 34. A clamping space is set between the clamping groove 34 and the pressure block 38, and the fixing belt 16 is extended into the clamping space. The pressure block 38 presses the fixing belt 16 on the first inclined portion; the inside of the nail magazine 31 is slidably connected to the slider 35, and the upper wall of the slider 35 is set as an inclined surface. The starting position of the slider 35 is at a position close to the connecting piece 13 in the nail magazine 31. The nail magazine 31 is provided with a plurality of rows of nail magazine holes 37 along its length direction. The nail magazine holes 37 are evenly staggered along its length direction. The slider 35 is moved to the slot 34 so that the upper end of the slider 35 contacts the lower end of the pressing block 38. The upper end of the pressing block 38 contacts the upper end of the pressing block 38. The pressing block 38 is lifted up, but the pressing block 38 is always engaged in the slot 34 and will not fall out of the slot 34. After the upper end of the pressing block 38 is lifted up, the fixing belt 16 is no longer pressed and can be moved out of the engaging space, so that the lower reinforcing plate 12 and the nail magazine 31 are separated.

[0038] A second cutting groove 36 is provided at the center of the nail magazine 31 . The second cutting groove 36 extends along the length direction of the nail magazine 31 . The second cutting groove 36 is provided to penetrate the nail magazine 31 in the vertical direction.

[0039] The pressing block 38 includes a connecting portion and an inserting portion. There are four inserting portions, and the four inserting portions are vertically fixedly connected to the connecting portion. Four card slots 34 are arranged on the nail magazine 31, and each card slot 34 is correspondingly engaged with the inserting portion, and a carding space is set between two adjacent inserting portions and the side wall of the inclined portion.

[0040] like Figure 1 , Figure 3As shown, the first reinforcing plate bracket assembly 4 includes an upper fixing plate 41, a lower fixing plate 42 and a fixed connecting plate 43. The upper fixing plate 41 and the lower fixing plate 42 are integrally connected through the fixed connecting plate 43. The lower fixing plate 42 is provided with a group of relative block groups, and the block group includes two blocks 44. The two blocks 44 in the block group are respectively fixedly connected to the opposite side walls of the lower fixing plate 42. The side wall of the nail magazine 31 is provided with a group of relative first protrusions 39, and the blocks 44 are clamped with the first protrusions 39; the lower fixing plate 42 is provided with a second inclined portion, and the second inclined portion of the lower fixing plate 42 corresponds to the first An inclined portion is provided, and a group of relative second locking block groups are fixedly connected to the position of the lower fixed plate 42 near the second inclined portion, and the second locking block group includes two second locking blocks 46, and the two second locking blocks 46 in the second locking block group are fixedly connected to the opposite side walls of the lower fixed plate 42; a plurality of first locking block groups are fixedly connected to the upper fixed plate 41, and the plurality of first locking block groups are spaced apart along the length direction of the upper fixed plate 41, and each group of first locking block groups includes two first locking blocks 45 arranged opposite to each other, and the two first locking blocks 45 in each group are fixedly connected to the opposite side walls of the upper fixed plate 41.

[0041] The second reinforcing plate bracket assembly 5 includes an upper connecting plate 51, which has the same shape as the anvil seat 2 and can replace the anvil seat 2 during transportation. The upper connecting plate 51 passes through the fixing ring 14 of the upper reinforcing plate 11, one end of the upper connecting plate 51 is inserted into the fixing cap 15, the upper fixing plate 41 supports the upper reinforcing plate 11, the first locking block 45 on the upper fixing plate 41 is engaged with the upper connecting plate 51, and the upper reinforcing plate 41 and the upper connecting plate 51 cooperate to fix the upper reinforcing plate 11.

[0042] The reinforcing sheet assembly 1 in the anastomotic reinforcement assembly device provided in this embodiment is integrally connected, easy to fix, and has strong stability, and the materials of each component in the reinforcing sheet assembly 1 are all degradable materials; the fixing belt 16 is pressed on the first inclined portion by the pressing block 38, and in the process of entering the patient's body, it can prevent the fixing belt 16 from contacting the tissue and causing curling; the fixing ring 14 and the fixing cap 15 are both elastic, and the fixing ring 14 can tighten the upper connecting sheet 51, and the fixing cap 15 can tighten the upper connecting sheet 51, thereby preventing the reinforcing sheet assembly 1 from wrinkling; a plurality of downward protrusions 1 are provided on the lower reinforcing sheet 12 8. Each downward protrusion 18 is provided corresponding to a staple 33. When the staple 33 is driven into the patient's body, the staple 33 passes through the downward protrusion 18 and nails the reinforcing sheet assembly 1 together with the tissue, which can ensure the firm connection between the lower reinforcing sheet 12 and the staple magazine assembly 3 before the staple 33 is nailed in, and can also improve the strength of the wound surface when the staple 33 is nailed into the tissue to avoid bleeding and leakage of the wound surface, and can also prevent the staples 33 from scattering in the body. For the staples 33 that are not nailed in the tissue, the doctor only needs to cut off the part of the reinforcing sheet assembly 1 with the unstapled staples 33, which is easy to operate.

[0043] After the anastomosis reinforcement assembly device provided in this embodiment is transported to the operator, the operator removes the second reinforcement sheet bracket assembly 5, installs the previously used stapler support 2 on the position of the second reinforcement sheet bracket assembly 5, clamps the staple magazine assembly 3 with the staple magazine bracket 9, and removes the first reinforcement sheet bracket assembly 4 to complete the assembly. This state is for immediate clinical use.

[0044] Example 2

[0045] This embodiment provides a stapler assembly for minimally invasive surgery, such as Figure 7 As shown, it includes the reinforcement sheet assembly 1, the nail magazine assembly 3, the first reinforcement sheet bracket assembly 4 in Example 1, and also includes a nail support seat 2, a nail magazine bracket 9, a firing connecting rod 6, a firing rod assembly 7, a joint head assembly 8, and a cutting knife. The nail magazine assembly 3 is clamped with the nail magazine bracket 9, and a second flange 91 is fixedly connected to a group of opposite side walls of the nail magazine bracket 9. The first reinforcement sheet bracket assembly 4 is clamped with the second flange 91 through a clamping block 44. The second locking block 46 provided in the first reinforcement sheet bracket assembly 4 is clamped with the nail magazine bracket 9. The nail support seat 2 extends into the fixing ring 14 and the fixing cap 15 of the reinforcement sheet assembly 1. The first locking block 45 of the first reinforcement sheet bracket assembly 4 is clamped with the nail support seat 2. The nail support seat 2 is hinged to the nail magazine bracket 9. One end of the joint head assembly 8 is connected to the nail support seat 2 and the nail magazine bracket 9, and the other end of the joint head assembly 8 is connected to the firing rod assembly 7. The firing rod assembly 7 is connected to the firing connecting rod 6 at one end away from the joint head assembly 8. The power component is connected, and the cutting knife is placed in the firing rod assembly 7 and the joint head assembly 8. The cutting knife can move along the length direction of the second cutting groove 36, and the cutting knife can also swing with the second cutting groove 36. The cutting knife is also connected to the end of the slider 35 away from the first inclined portion. The cutting knife is used to push the slider 35 to move in the direction close to the first inclined portion, thereby realizing the stapling of the stapler 33, and driving the slider 35 to push the pressure block 38. When the cutting knife pushes the slider 35 to move to open the pressure block 38, the clamping space is increased, so that the fixing belt 16 leaves the clamping space, and the cutting knife cuts the reinforcement sheet assembly 1 along the first cutting groove 17, thereby cutting off the fixing ring 14 and the fixing cap 15, and nailing the reinforcement sheet assembly 1 to the patient's tissue. The cutting knife is connected to the power component to realize the above operation; the firing connecting rod 6, the firing rod assembly 7, the joint head assembly 8, and the cutting knife are all structures in the existing stapler, so the specific structure is not repeated here. After the stapler provided in this embodiment is transported to the operator, the operator connects the firing connecting rod 6 with the power component and then removes the first reinforcing plate bracket assembly 4, and then the stapler can be used.

[0046] like Figure 7 , Figure 8As shown, a group of opposite side walls of the anvil 2 are integrally connected to the protective cover 21, and the protective cover 21 is arranged relatively. The protective cover 21 is located at the hinge connection between the anvil 2 and the nail magazine bracket 9. Two makeshift grooves 22 are provided on the upper wall of the anvil 2. The makeshift grooves 22 are arranged at the connection between the protective cover 21 and the anvil 2. The space between the anvil 2 and the nail magazine 3 is a matching space, and the makeshift grooves 22 are arranged close to the matching space.

[0047] The fixing ring 14 and the fixing cap 15 are put on the nail support 2, and the fixing ring 14 passes through the clearance groove 22 and extends into the protective cover 21, so that the upper reinforcement sheet 11 is tightly connected with the nail support 2. The protective cover 21 can prevent the fixing ring 14 from contacting with the body tissue to produce friction and avoid the fixing ring 14 from moving. The fixing ring 14 can clamp the upper reinforcement sheet 11 tightly on the nail support 2, and the fixing cap 15 is tightly put on the nail support 2 to prevent the upper reinforcement sheet 11 from wrinkling, displacement or falling off; then the downward protrusion 18 is correspondingly extended into each nail magazine hole 37 , extend the fixing belt 16 into the clamping space, and the pressing block 38 presses the fixing belt 16 to prevent the fixing belt 16 from curling, so that the lower reinforcing plate 12 is fixed on the nail magazine assembly 3, and then extend the first reinforcing plate bracket assembly 4 between the upper reinforcing plate 11 and the lower reinforcing plate 12, so that the lower fixing plate 42 covers the lower reinforcing plate 12, and the lower fixing plate 42 is clamped with the nail magazine bracket 9 through the clamping block 44 and the second locking block 46, so that the upper fixing plate 41 covers the upper reinforcing plate 11, and the upper fixing plate 41 is clamped with the nail support 2 through the first locking block 45.

[0048] Example 3

[0049] The anastomotic stoma reinforcement component device provided in Example 1 can be installed on manual, electric, robotic and other staplers, and the installation of the anastomotic stoma reinforcement component provided in Example 1 is not limited to the several types of staplers mentioned above; the stapler assembly provided in Example 2 can be installed on manual, electric, robotic and other power components, and the installation of the stapler assembly provided in Example 2 is not limited to the several types of power components mentioned above.

[0050] Finally, it should be noted that the above content is only used to illustrate the technical solution of the present invention, rather than to limit the scope of protection of the present invention. Simple modifications or equivalent substitutions of the technical solution of the present invention by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the present invention.

Claims

1. An anastomotic reinforcement assembly device for minimally invasive surgery, characterized in that: It includes a reinforcing sheet assembly, a first reinforcing sheet bracket assembly, a second reinforcing sheet bracket assembly and a nail magazine assembly, the reinforcing sheet assembly includes an upper reinforcing sheet, a connecting sheet, a lower reinforcing sheet, a fixing ring and a fixing cap, the upper reinforcing sheet and the lower reinforcing sheet are connected by the connecting sheet, at least one fixing ring is provided, the fixing ring is clamped on the upper reinforcing sheet, and the fixing cap is connected to one end of the upper reinforcing sheet away from the connecting sheet; the lower reinforcing sheet is provided with a plurality of downward protrusions; The lower reinforcing sheet is mounted on the upper portion of the nail magazine assembly, and the downward protrusion is used to be embedded in a single nail magazine hole inside the nail magazine assembly. The downward protrusions are arranged in a one-to-one correspondence with the nail magazine holes, and each downward protrusion is engaged with the corresponding nail magazine hole; One end of the lower reinforcing sheet away from the connecting sheet is integrally connected to at least one fixing belt, and the fixing belt is used to be inserted into the clamping space of the nail magazine assembly; The upper reinforcing sheet, the connecting sheet and the lower reinforcing sheet are integrally connected, and the fixing ring, the fixing cap and the upper reinforcing sheet are also integrally connected; the upper reinforcing sheet, the connecting sheet, the lower reinforcing sheet, the fixing ring, the fixing cap, the fixing belt and the downward protrusion are all made of degradable materials; The fixing ring and the fixing cap are both elastic; The first reinforcing sheet bracket assembly is disposed between the upper reinforcing sheet and the lower reinforcing sheet, and the second reinforcing sheet bracket assembly extends into the fixing ring and the fixing cap; the lower end of the first reinforcing sheet bracket assembly is clamped with the nail magazine assembly, and the upper end of the first reinforcing sheet bracket assembly is clamped with the second reinforcing sheet bracket assembly; The nail magazine assembly includes a nail magazine, a slot, a slider and a pressure block. The nail magazine is provided with a first inclined portion, the first inclined portion is provided with a slot, the pressure block extends into the slot, the pressure block is engaged with the slot, a locking space is formed between the pressure block and the notch of the slot, and the slider is slidably connected to the bottom of the nail magazine; the slider is used to increase the locking space; the pressure block presses the fixing belt onto the first inclined portion.

2. The anastomotic reinforcement assembly device for minimally invasive surgery according to claim 1, characterized in that: The nail magazine assembly also includes a nail pushing piece, an anastomosis staple and a nail magazine hole. The upper wall of the nail magazine is provided with a plurality of nail magazine holes. The interior of the nail magazine is provided with a plurality of nail pushing pieces. A nail pushing piece and an anastomosis staple are provided inside each of the nail magazine holes. The nail pushing piece in the same nail magazine hole is located below the anastomosis staple. The anastomosis staple is provided in a one-to-one correspondence with the downward protrusion. The slider is also used to push the nail pushing piece.

3. The anastomotic reinforcement assembly device for minimally invasive surgery according to claim 1 or 2, characterized in that: The first reinforcement plate bracket assembly includes an upper fixing plate, a lower fixing plate, a fixed connecting plate, a clamping block and a first locking block, the upper fixing plate is connected to the lower fixing plate via the fixed connecting plate, the clamping block is connected to the lower fixing plate, the first locking block is connected to the upper fixing plate, the upper fixing plate presses the upper reinforcement plate onto the second reinforcement plate bracket assembly via the first locking block, and the lower fixing plate presses the lower reinforcement plate onto the nail magazine assembly via the clamping block.

4. The anastomotic reinforcement assembly device for minimally invasive surgery according to claim 1 or 2, characterized in that: The second reinforcing plate bracket assembly includes an upper connecting plate, and the upper connecting plate extends into the interior of the fixing ring and the fixing cap.

5. A stapler assembly for minimally invasive surgery, characterized in that: It includes the reinforcement sheet assembly, the first reinforcement sheet bracket assembly, and the nail magazine assembly described in any one of claims 1-4, and also includes a nail anvil, a nail magazine bracket, a firing connecting rod, a firing rod assembly, a joint head assembly and a cutting knife, the nail anvil is connected to the nail magazine bracket by a hinge, the nail magazine assembly is clamped inside the nail magazine bracket, the nail anvil extends into the reinforcement sheet assembly, the first reinforcement sheet bracket assembly is located inside the reinforcement sheet assembly, the lower end of the first reinforcement sheet bracket assembly is clamped with the nail magazine bracket, and the upper end of the first reinforcement sheet bracket assembly is clamped with the nail anvil; the joint head assembly, the firing rod assembly, and the firing connecting rod are connected in sequence from an end close to the nail anvil to an end away from the nail anvil, and the cutting knife is connected inside the joint head assembly.

6. The stapler assembly for minimally invasive surgery according to claim 5, characterized in that: A protective cover is provided on one end of a group of opposite side walls of the anvil seat close to the joint head assembly, and a clearance groove is provided on the protective cover. One of the fixing rings passes through the clearance groove to fix the upper reinforcement plate on the anvil seat.

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