Linear cutting anastomat device

Abstract

The utility model discloses a linear cutting anastomat device, which belongs to the technical field of medical instruments and comprises a linear cutting anastomat and an anastomosis nail bin, the anastomosis nail bin is mounted on the linear cutting anastomat, the linear cutting anastomat comprises an electric cutter, a gun barrel and clamping forceps, and the electric cutter is connected with the clamping forceps through the gun barrel; a parallel double-edge cutting assembly is arranged in the gun barrel and the electric cutter in a penetrating mode, the parallel double-edge cutting assembly comprises two blades arranged in parallel and a push rod, the two blades arranged in parallel are installed at one end of the push rod, and the end, away from the two blades, of the push rod is connected with a motor. The parallel double-edge cutting device has the advantages that the parallel double-edge cutting assembly is arranged, a complete tissue cutting edge can be directly obtained while tissue is cut, the tissue cutting edge can be rapidly taken out in an operation through reciprocating motion of the cutting assembly, the operation progress is accelerated, and the operation time is shortened; the anastomosis nail bin is widened, anastomosis tissue can be clamped and closed, and a section of complete tissue is reserved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, and particularly relates to a linear cutting stapler device. Background Art

[0002] Surgical resection of malignant tumors is the main means to cure cancer at present. In the surgery of oncology, during the resection of malignant tumors, surgeons need to remove the suspicious tissues with potential metastatic foci around the diseased tissues at the same time to ensure thorough eradication. In order to avoid missing scattered cancer foci invisible to the naked eye, it is often necessary to immediately send the resection margin of the surgically removed tissue to the pathology department for rapid frozen section examination during the operation to determine whether the surgical resection range has reached the "R0 resection" in oncology, that is, the malignant tumor is completely removed without residual cancer foci. If the R0 resection is not achieved, the operation cannot be ended, and the surgeon needs to continue to perform extended resection. Therefore, it can be seen that how to obtain the tissue resection margin conveniently, quickly and accurately during the operation is an important guarantee for ensuring the surgical quality and prolonging the survival period of patients. Generally, a surgical instrument called a linear cutting stapler widely used in thoracic surgery, abdominal surgery, gynecology, pediatrics and other surgical departments is adopted.

[0003] In the prior art, although traditional linear cutting staplers can well achieve the cutting, dissection, and anastomosis of human tissues and basically meet the surgical operation requirements of surgeons, in actual clinical practice, due to the fact that traditional linear cutting staplers and staple cartridges firmly clamp the resection margin and leave a large number of staples, it is difficult to quickly and conveniently separate and remove the surgical resection margin during the operation; in addition, the process of removing staples will also damage the integrity of the resection margin tissue; finally, the remaining staples will also interfere with the pathological department's interpretation of the surgical resection margin; these problems may all lead to the failure to detect residual cancer foci in the resection margin, thereby increasing the possibility of postoperative tumor recurrence. At the same time, for example, the utility model patent with the publication number CN217611210U discloses a linear cutting stapler with pressure sensing, including a stapler body, a staple cartridge clamp, an anvil, a staple cartridge assembly, a clamping operating assembly, and a firing operating assembly, and further includes a sensing mechanism for sensing the clamping force between the staple cartridge clamp and the anvil and a limiting mechanism for controlling the gradual increase of the pressing force of the locking handle. This utility model can enable doctors to accurately judge the reasonable height of tissue closure by providing intuitive pressure data or alarms to achieve the best staple closure height and prevent anastomotic leakage, bleeding, or tissue necrosis. This utility model is provided with a sensing mechanism for sensing the clamping force between the staple cartridge clamp and the anvil on the clamping operating assembly of the stapler, and can enable doctors to accurately judge the reasonable height of tissue closure through pressure data. Although this utility model can enable doctors to accurately judge the reasonable height of tissue closure through pressure data, it does not solve the problems of being difficult to quickly and conveniently separate and remove the surgical resection margin during the operation, damaging the integrity of the resection margin tissue during the process of removing staples, and the remaining staples interfering with the pathological department's interpretation of the surgical resection margin. Summary of the Invention

[0004] To overcome the problems in the prior art that it is difficult to quickly and conveniently separate and remove the surgical resection margin during the operation, the integrity of the resection margin tissue is damaged during the process of removing staples, and the remaining staples interfere with the pathological department's interpretation of the surgical resection margin, the present utility model provides a linear cutting stapler device with a simple structure and easy control, which can not only improve the efficiency of obtaining a complete tissue resection margin, but also achieve the cutting and anastomosis of tissues on the basis of reducing the damage to the surgical tissue resection margin, ensure the integrity of the resection margin, and improve the accuracy of the pathological department's judgment on the safety of the tissue resection margin. The specific technical solutions are as follows:

[0005] A linear cutting stapler device, comprising a linear cutting stapler and a staple cartridge, the staple cartridge is installed on the linear cutting stapler, and the linear cutting stapler includes an electric cutter, a barrel, and a clamping forceps, and the electric cutter is connected to the clamping forceps through the barrel;

[0006] A parallel double-edge cutting assembly is disposed through the inside of the barrel and the electric cutter. The parallel double-edge cutting assembly includes two blades arranged in parallel and a push rod. The two blades arranged in parallel are mounted at one end of the push rod, and the end of the push rod away from the two blades is connected to a motor.

[0007] By providing the parallel double-edge cutting assembly, a complete tissue margin can be directly obtained while cutting the tissue, and through the reciprocating movement of the cutting assembly, the intraoperative rapid extraction of the tissue margin can be achieved, accelerating the surgical process and shortening the operation time. By providing the push rod, when cutting is required, the two blades arranged in parallel can be pushed out of the barrel and into the staple cartridge without contacting the blades to cut the tissue. By providing the electric cutter, the barrel and the clamping forceps can be conveniently controlled by controlling the electric cutter. By providing the barrel, the parallel double-edge cutting assembly can be placed therein to play a good storage role. By providing the clamping forceps, the human tissue to be cut can be well clamped. By combining the linear cutting stapler and the staple cartridge, the anastomosis, cutting, and dissection of the target tissue can be successfully completed.

[0008] Wherein, a plurality of staple grooves and empty grooves are provided inside the staple cartridge. The plurality of staple grooves are provided on both sides of the empty groove, and the empty groove is provided in the middle of the staple cartridge.

[0009] Wherein, the clamping forceps include an anvil and a staple cartridge seat. The anvil is movably mounted above the staple cartridge seat, and the staple cartridge is detachably mounted on the staple cartridge seat.

[0010] Wherein, the electric cutter includes an electric cutter main body, a handle, and a trigger. The handle and the trigger that can be pulled are provided at the bottom of the electric cutter main body. The included angle range formed between the trigger and the handle is 5 - 45°.

[0011] Wherein, a firing button is provided between the trigger and the electric cutter main body, and the firing button is connected to the motor inside the electric cutter main body.

[0012] An anastomosis staple cartridge is provided, which can not only clamp the anastomosed tissue to prevent tissue bleeding and anastomotic leakage, but also reserve a complete section of tissue. After being excised by the parallel double-edge cutting assembly, a complete tissue margin can be obtained without taking extra time of the surgeon to remove the anastomosis staples on the tissue. Immediately after anastomosis, the tissue margin can be sent to the pathology department for testing, greatly shortening the operation time. A cartridge holder is provided to tightly insert the anastomosis staple cartridge into the cartridge holder. The anvil is movably connected above the cartridge holder for conveniently clamping the tissue at any time. By holding the handle and squeezing the trigger, the anvil and the anastomosis staple cartridge on the cartridge holder tightly clamp the tissue to be cut. After being pressed, the anastomosis staples in the anastomosis staple cartridge will pop out and firmly nail the tissue together. Then, by pressing the firing button, the motor in the electric cutter pushes the cutting blade in the barrel forward, and cuts the tissue through the empty slot between the anastomosis staple cartridges.

[0013] Wherein, a anvil reset button for controlling the position of the anvil is provided on the outer wall of the main body of the electric cutter.

[0014] Wherein, a battery compartment is provided on the back of the main body of the electric cutter, and a rotating head is provided at the front of the main body of the electric cutter.

[0015] Wherein, a knob is provided at the top of the main body of the electric cutter near one end of the barrel.

[0016] Wherein, a joint head is provided at the front end of the barrel, and the joint head is movably connected between the barrel and the clamping forceps.

[0017] Wherein, the width of the anastomosis staple cartridge is 11 - 12 mm, the width of the empty slot is 5 - 6 mm, and the distance between the two parallel blades is 3 - 4 mm.

[0018] Press the anvil reset button to release the clamping forceps, and complete the anastomosis, cutting and dissociation of the target tissue. The battery compartment is provided to push the cutting blade in the barrel forward under the drive of the battery, and push the blade to cut the tissue between the anvil and the cartridge holder. The rotating head is provided to rotate and fix the clamping forceps on one side of the barrel, so that it is connected with the electric cutter as a whole. The knob is provided to control the knob, so that the clamping forceps can be rotated and adjusted along the direction of the rotation of the knob. The joint head is provided to control the flexible rotation of the clamping forceps. The distance range between the two parallel blades is 3 - 4 mm, and a complete tissue margin with a width of about 3 mm and without anastomosis staples can be obtained quickly and accurately. The set range of the empty slot is slightly larger than the distance between the blades, so that both blades can move in the widened empty slot.

[0019] Beneficial effects:

[0020] The beneficial effects of adopting the technical solution of the present utility model are as follows:

[0021] (1) A parallel double-edge cutting assembly is provided, which can directly obtain a complete tissue margin while cutting the tissue, and through the reciprocating motion of the cutting assembly, achieve rapid extraction of the tissue margin during the operation, accelerate the surgical process, and shorten the operation time. A push rod is provided to push out two parallel blades from the barrel into the staple cartridge without contacting the blade when cutting is required, so as to cut the tissue. An electric cutter is provided to facilitate the control of the barrel and the clamping forceps by controlling the electric cutter. A barrel is provided to accommodate the parallel double-edge cutting assembly, playing a good role in storage. A clamping forceps is provided to firmly clamp the human tissue to be cut. By combining the linear cutting stapler and the staple cartridge, the anastomosis, cutting, and dissection of the target tissue can be successfully completed.

[0022] (2) A staple cartridge is provided, which can not only clamp and anastomose the tissue to prevent tissue bleeding and anastomotic leakage, but also reserve a complete section of tissue. After being excised by the parallel double-edge cutting assembly, a complete tissue margin can be obtained, without taking extra time for the surgeon to remove the staples from the tissue. After anastomosis, the tissue margin can be immediately sent to the pathology department for testing, greatly shortening the operation time. A cartridge seat is provided to tightly insert the staple cartridge. The anvil is movably connected above the cartridge seat for conveniently clamping the tissue at any time. By holding the handle and squeezing the trigger, the anvil and the staple cartridge on the cartridge seat tightly clamp the tissue to be cut. After being pressed, the staples in the staple cartridge will pop out and firmly nail the tissue together. Then, by pressing the firing button, the motor in the electric cutter pushes the cutting blade in the barrel forward to cut the tissue through the empty slot between the staple cartridges.

[0023] (3) Press the anvil reset button to release the clamping forceps and complete the anastomosis, cutting, and dissection of the target tissue. A battery compartment is provided to drive the cutting blade in the barrel forward under the power of the battery to push the blade to cut the tissue between the anvil and the cartridge seat. A rotating head is provided to rotatably fix the clamping forceps on one side of the barrel to connect it with the electric cutter as a whole. A knob is provided to enable the clamping forceps to rotate and adjust along with the direction of the knob's rotation by controlling the knob. A joint head is provided to control the flexible rotation of the clamping forceps. The distance between the two parallel blades ranges from 3 to 4 mm, which can quickly and accurately obtain a complete tissue margin about 3 mm wide without staples. The range of the provided empty slot is slightly larger than the distance between the blades, enabling both blades to move within the widened empty slot. Description of the Drawings

[0024] To more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the embodiments. It should be understood that the following drawings only show some embodiments of the present utility model and should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other relevant drawings can also be obtained based on these drawings.

[0025] Figure 1 is the overall structural schematic diagram of the linear cutting stapler device of the present utility model;

[0026] Figure 2 is the overall sectional view of the linear cutting stapler device of the present utility model;

[0027] Figure 3 is the structural schematic diagram of the parallel double-edge cutting assembly of the linear cutting stapler device of the present utility model;

[0028] Figure 4 is the structural schematic diagram of the staple cartridge of the linear cutting stapler device of the present utility model.

[0029] In the figure: 1. Linear cutting stapler; 2. Staple cartridge; 3. Electric cutter; 4. Barrel; 5. Clamping forceps; 6. Anvil; 7. Staple cartridge seat; 8. Parallel double-edge cutting assembly; 9. Blade; 10. Pusher; 11. Staple groove; 12. Empty groove; 13. Electric cutter main body; 14. Handle; 15. Trigger; 16. Firing button; 17. Anvil reset button; 18. Battery compartment; 19. Rotating head; 20. Knob; 21. Joint head; 22. Motor. Specific embodiments

[0030] To make the purpose, technical solutions and advantages of the embodiments of the present utility model clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of the embodiments. Therefore, the detailed description of the embodiments of the present utility model provided in the following drawings is not intended to limit the scope of the claimed present utility model, but merely represents the selected embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0031] In this embodiment, a parallel double-edge cutting assembly is adopted, which can directly obtain a complete tissue margin while cutting the tissue, and realize the rapid extraction of the tissue margin during the operation through the reciprocating motion of the cutting assembly, accelerating the surgical process and shortening the operation time. An anastomosis staple cartridge is adopted, which can not only clamp the anastomosed tissue to prevent bleeding and anastomotic leakage of the tissue, but also reserve a complete section of tissue. After being excised by the parallel double-edge cutting assembly, a complete tissue margin can be obtained without taking extra time of the surgeon to remove the anastomosis staples on the tissue. The tissue margin can be sent to the pathology department for detection immediately after anastomosis, greatly shortening the operation time. The specific technical solution is as follows:

[0032] As Figures 1-3 shown, a linear cutting stapler device includes a linear cutting stapler 1 and an anastomosis staple cartridge 2. The anastomosis staple cartridge 2 is installed on the linear cutting stapler 1. The linear cutting stapler 1 includes an electric cutter 3, a barrel 4 and a clamping forceps 5. The electric cutter 3 is connected to the clamping forceps 5 through the barrel 4;

[0033] A parallel double-edge cutting assembly 8 is disposed through the interior of the barrel 4 and the electric cutter 3. The parallel double-edge cutting assembly 8 includes two blades 9 arranged in parallel and a push rod 10. The two blades 9 arranged in parallel are installed at one end of the push rod 10, and the end of the push rod 10 away from the two blades 9 is connected to a motor 22.

[0034] By setting the parallel double-edge cutting assembly, a complete tissue margin can be directly obtained while cutting the tissue, and the rapid extraction of the tissue margin during the operation can be realized through the reciprocating motion of the cutting assembly, accelerating the surgical process and shortening the operation time. By setting the push rod, when cutting is required, the two blades arranged in parallel can be pushed out of the barrel and into the anastomosis staple cartridge without contacting the blades to cut the tissue. By setting the electric cutter, the barrel and the clamping forceps can be conveniently controlled by controlling the electric cutter. By setting the barrel, the parallel double-edge cutting assembly can be placed therein to play a good role in storage. By setting the clamping forceps, the human tissue to be cut can be well clamped. By combining the linear cutting stapler and the anastomosis staple cartridge, the anastomosis, cutting and dissection of the target tissue can be successfully completed.

[0035] As Figure 4 shown, in this embodiment, a plurality of staple grooves 11 and empty grooves 12 are provided inside the anastomosis staple cartridge 2. The plurality of staple grooves 11 are arranged on both sides of the empty groove 12, and the empty groove 12 is arranged in the middle of the anastomosis staple cartridge 2.

[0036] A staple cartridge is provided, which can not only clamp the anastomosed tissue to prevent bleeding and anastomotic leakage of the tissue, but also reserve a complete section of tissue. After being excised by the parallel double-edge cutting assembly, a complete tissue margin can be obtained without taking extra time of the surgeon to remove the staples from the tissue. Immediately after anastomosis, the tissue margin can be sent to the pathology department for detection, greatly shortening the operation time.

[0037] A number of staples are placed inside a number of staple grooves. The staples are used to pop out and firmly nail the tissue together to anastomose the tissue.

[0038] As Figure 1 shown, in this embodiment, the clamping forceps 5 includes an anvil 6 and a cartridge holder 7. The anvil 6 is movably installed above the cartridge holder 7, and the staple cartridge 2 is detachably installed on the cartridge holder 7.

[0039] The cartridge holder is provided to tightly insert the staple cartridge into the cartridge holder; the anvil is movably connected above the cartridge holder, facilitating clamping of the tissue at any time.

[0040] As Figure 1 shown, in this embodiment, the electric cutter 3 includes an electric cutter main body 13, a handle 14 and a trigger 15. A handle 14 and a trigger 15 that can be squeezed are provided at the bottom of the electric cutter main body 13. The included angle range between the trigger 15 and the handle 14 is 5-45°.

[0041] By holding the handle and squeezing the trigger, the anvil and the staple cartridge on the cartridge holder tightly clamp the tissue to be cut. After pressing, the staples in the staple cartridge will pop out and firmly nail the tissue together to anastomose the tissue.

[0042] As Figure 1 shown, in this embodiment, a firing button 16 is provided between the trigger 15 and the electric cutter main body 13. The firing button 16 is connected to the motor 22 inside the electric cutter main body 13.

[0043] Press the firing button, and the motor in the electric cutter pushes the cutting blade in the barrel forward and cuts the tissue through the empty slot between the staple cartridges.

[0044] As Figure 1 shown, in this embodiment, an anvil reset button 17 for controlling the position of the anvil 6 is provided on the outer wall of the electric cutter main body 13.

[0045] Press the anvil reset button to release the clamping forceps, completing the anastomosis, cutting and detachment of the target tissue.

[0046] As Figure 1As shown, in this embodiment, a battery compartment 18 is provided on the back of the electric cutter main body 13, and a rotating head 19 is provided at the front of the electric cutter main body 13.

[0047] The battery compartment is provided to push the cutting blade in the barrel forward under the drive of the battery, and push the blade to cut the tissue between the anvil and the cartridge holder; the rotating head is provided to rotatably fix the clamping forceps to one side of the barrel, so that it is connected to the electric cutter as a whole.

[0048] As Figure 1 shown, in this embodiment, a knob 20 is provided at the top of the electric cutter main body 13 near one end of the barrel 4.

[0049] The knob is provided so that the clamping forceps can be rotated and adjusted along with the direction of rotation of the knob by controlling the knob.

[0050] As Figure 1 shown, in this embodiment, a joint head 21 is provided at the front end of the barrel 4, and the joint head 21 is movably connected between the barrel 4 and the clamping forceps 5.

[0051] The joint head is provided to control the flexible rotation of the clamping forceps.

[0052] As Figures 3-4 shown, in this embodiment, the width of the staple cartridge 2 is 11 - 12 mm, the width of the empty groove 12 is 5 - 6 mm, and the distance between the two parallel arranged blades 9 is 3 - 4 mm.

[0053] Setting the distance range between the two parallel arranged blades to be 3 - 4 mm can quickly and accurately obtain a complete tissue cut edge with a width of about 3 mm and no staples; setting the range of the empty groove to be slightly larger than the distance between the blades can enable both blades to move within the widened empty groove.

[0054] Working principle: First, use a rotating head to rotatably and fixedly connect the clamping forceps and the barrel with an electric cutter. Then, turn the knob on the rotating head. At this time, the joint head will drive the clamping forceps to rotate in the direction of the knob rotation. Then, insert the staple cartridge into the cartridge seat, align the linear cutter stapler with the human body's diseased tissue site. Next, hold the handle and squeeze the trigger on the electric cutter to clamp the anvil and the cartridge seat. At this time, the staples in the staple groove will pop out and clamp the tissue. Then, press the firing button. At this time, the parallel double-edge cutting assembly in the barrel, driven by the battery in the battery compartment, pushes the push rod. The push rod pushes the blade, and the blade is pushed out of the barrel. The pushed-out blade will slide in the empty groove of the staple cartridge and then cut the tissue between the anvil and the cartridge seat. After cutting, the parallel double-edge cutting assembly will move back into the barrel. After that, press the anvil reset button, and the anvil will loosen and return to its original position. Finally, remove the linear cutter stapler, and the anastomosis, cutting, and dissection of the target tissue are completed.

[0055] The above are only the preferred embodiments of the present invention and are not used to limit the present invention. For those skilled in the art, various changes and modifications can be made to the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A linear cutting stapler device, characterized in that, It includes a linear cutting stapler (1) and a staple cartridge (2), the staple cartridge (2) is installed on the linear cutting stapler (1), the linear cutting stapler (1) includes an electric cutter (3), a barrel (4) and a clamping forceps (5), and the electric cutter (3) is connected to the clamping forceps (5) through the barrel (4); A parallel double-edge cutting assembly (8) is disposed through the interior of the barrel (4) and the electric cutter (3), the parallel double-edge cutting assembly (8) includes two blades (9) arranged in parallel and a push rod (10), the two blades (9) arranged in parallel are installed at one end of the push rod (10), and the end of the push rod (10) away from the two blades (9) is connected to a motor (22).

2. The linear cutting stapler device according to claim 1, wherein, A plurality of staple grooves (11) and empty grooves (12) are arranged inside the staple cartridge (2), the plurality of staple grooves (11) are arranged on both sides of the empty groove (12), and the empty groove (12) is arranged in the middle of the staple cartridge (2).

3. The linear cutting stapler device according to claim 2, wherein, The clamping forceps (5) includes an anvil (6) and a staple cartridge seat (7), the anvil (6) is movably installed above the staple cartridge seat (7), and the staple cartridge (2) is detachably installed on the staple cartridge seat (7).

4. A linear cutting stapler device according to claim 3, wherein, The electric cutter (3) includes an electric cutter body (13), a handle (14) and a trigger (15), the handle (14) and the trigger (15) that can be pulled are arranged at the bottom of the electric cutter body (13), and the included angle formed between the trigger (15) and the handle (14) ranges from 5 to 45°.

5. The linear cutting stapler device according to claim 4, characterized in that, A firing button (16) is arranged between the trigger (15) and the electric cutter body (13), and the firing button (16) is connected to the motor (22) inside the electric cutter body (13).

6. The linear cutting stapler device according to claim 4, wherein, An anvil reset button (17) for controlling the position of the anvil (6) is arranged on the outer wall of the electric cutter body (13).

7. The linear cutting stapler device according to claim 4, wherein, A battery compartment (18) is arranged on the back of the electric cutter body (13), and a rotating head (19) is arranged at the front of the electric cutter body (13).

8. A linear cutting stapler device according to claim 7, characterized in that, A knob (20) is arranged at the top of the electric cutter body (13) near one end of the barrel (4).

9. The linear cutting stapler device according to claim 1, wherein, A joint head (21) is arranged at the front end of the barrel (4), and the joint head (21) is movably connected between the barrel (4) and the clamping forceps (5).

10. The linear cutting stapler device according to claim 2, characterized in that, The width of the staple cartridge (2) is 11 - 12 mm, the width of the empty groove (12) is 5 - 6 mm, and the distance between the two blades (9) arranged in parallel is 3 - 4 mm.

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