Cutting knife, circumcision mechanism and circumcision device

Abstract

The utility model discloses a cutting knife, a circumcision mechanism and a prepuce circumcision device, which comprise a body of a sheet structure; the first cutting edge is arranged at the front end of the body, and the first cutting edge is used for puncturing any position of a part to be annularly cut; the second cutting edge is arranged on the side face of the body and used for conducting ring cutting on the part to be subjected to ring cutting in the rotating process; wherein the angle between the tool nose of the first cutting edge and the tool nose of the second cutting edge is an obtuse angle. Compared with the prior art, the cutting knife, the circumcision mechanism and the circumcision device can replace an annular cutting knife in the prior art, the needed cutting force is small, the operation visual field is good, and safety is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, and more specifically, to a cutting knife, a circumcision mechanism and a circumcision device. Background Art

[0002] Phimosis and foreskin are common reproductive problems in men. With the continuous improvement of people's living standards and health awareness, people have higher requirements for their reproductive health. Foreskin that is too long is easy to harbor dirt and filth. If it is not cleaned in time, it will lead to diseases such as glans foreskin inflammation and penile inflammation. Circumcision surgery is required to remove it.

[0003] The circumcision stapler replaces the traditional manual suturing surgical instruments during surgery. It has the advantages of simple operation, safety and reliability, short operation time, and no need to remove sutures. It reduces the occurrence of complications and improves the quality of life of patients. It is currently widely used in clinical practice.

[0004] Current circumcision staplers often use a circular cutting blade for resection. On the one hand, the circular cutting blade blocks the surgical field of view, and the entire cutting process is completely in an invisible blind cutting state, which greatly tests the doctor's experience. On the other hand, the circular cutting blade performs an integral resection, which requires a large cutting force. The doctor's hands are prone to fatigue after completing multiple operations.

[0005] Therefore, there is an urgent need for a cutting knife, a circumcision mechanism and a circumcision device that can replace the annular cutting knife in the prior art, require less cutting force, have a good operating field of view, and are safer. Utility Model Content

[0006] In order to solve the above technical problems, the utility model provides a cutting knife, a circumcision mechanism and a circumcision device, which can replace the annular cutting knife in the prior art, require less cutting force, have a good operating field of view, and are safer.

[0007] The technical solutions provided by this utility model are as follows:

[0008] A cutting knife comprising:

[0009] A body, wherein the body is a sheet-like structure;

[0010] a first cutting edge provided at the front end of the body, the first cutting edge being used to pierce any part of the portion to be annularly cut;

[0011] a second cutting edge provided on a side surface of the body, the second cutting edge being used to perform circular cutting on the portion to be circularly cut during rotation;

[0012] The angle between the tip of the first cutting edge and the tip of the second cutting edge is an obtuse angle.

[0013] Preferably, the angle between the tip of the first cutting edge and the tip of the second cutting edge is 100° to 150°.

[0014] Preferably, the thickness of the body is 0.1 mm to 1.0 mm.

[0015] Preferably, it also includes:

[0016] A first mounting hole is provided at an end of the body away from the first cutting edge.

[0017] A circumcision mechanism, comprising:

[0018] A fixator, the fixator being used to expose the part to be circumcised on the outer circumferential surface and fix it;

[0019] a mounting seat rotatably arranged on the outside of the holder, wherein the mounting seat is provided with any one of the above-mentioned cutting blades;

[0020] A driving assembly for driving the mounting seat to rotate around the fixer.

[0021] Preferably, it also includes:

[0022] a mounting groove provided on the mounting seat, the mounting groove being used to accommodate an end of the cutting knife away from the first cutting edge;

[0023] A locking member for fixing the cutting knife to the mounting seat.

[0024] Preferably, it also includes:

[0025] an anvil groove provided on the circumferential surface of the holder;

[0026] An anvil is provided in the anvil groove and is used in conjunction with the cutting knife. The anvil is an annular structure, and the anvil and the holder are specifically detachably connected.

[0027] Preferably, the width of the anvil groove is 0.3 mm to 4 mm, and the depth of the anvil groove is 0.3 mm to 3 mm.

[0028] Preferably, it also includes:

[0029] A shell is fixedly sleeved on the outside of the holder, an annular accommodating cavity is formed between the shell and the holder, and the mounting seat is slidably connected to the annular accommodating cavity;

[0030] a rotating member rotatably disposed in the annular accommodating cavity, wherein the rotating member is provided with a second accommodating groove for accommodating the mounting seat;

[0031] A feed mechanism for pushing the mounting seat into the second receiving groove 53;

[0032] A tool retraction mechanism is used to push the mounting seat out of the second accommodating groove 53 .

[0033] Preferably, it also includes:

[0034] meshing teeth provided on the outer circumferential surface of the rotating member;

[0035] a driving wheel rotatably connected to the housing, the driving wheel being adapted to engage with the meshing teeth;

[0036] The driving member is connected to the driving wheel and is used to drive the driving wheel and the rotating member to rotate in the accommodating cavity.

[0037] A circumcision device comprising a suturing mechanism and any one of the above-mentioned circumcision mechanisms;

[0038] in,

[0039] The suturing mechanism includes a staple cartridge assembly disposed in an annular accommodating cavity. The staple cartridge assembly is circumferentially spaced around the retainer. Suturing staples are disposed in the staple cartridge assembly. The suture staples are configured to be pushed by the circumcision mechanism to abut against the outer surface of the retainer until the suture staples are closed.

[0040] Preferably, it also includes:

[0041] A nail seat groove is provided on the outer surface of the fixator for use with a suture nail. The nail seat groove is provided below the anvil groove. The groove width of the nail seat groove is specifically 0.1mm~1mm, and the groove depth of the nail seat groove is 0.05mm~0.8mm. The inclined surfaces on both sides of the nail seat groove are inclined, and the inclined surfaces on both sides of the nail seat groove form an angle of 91°-150° with the groove bottom.

[0042] The cutting knife provided by the present invention is used in a circumcision device. First, it is provided with a main body, wherein the main body is a sheet-like structure. Since it is a sheet-like structure, it is easier to manufacture. The sheet-like structure of the main body is inserted from any point of the part to be circumcised and performs circumcision during the rotation process, which is convenient for the operator to remove the foreskin while looking directly, which is safer. The annular cutting knife in the prior art performs an integral excision from the circumference of the part to be circumcised. On the one hand, the cost and difficulty of manufacturing the annular cutting knife are increased. On the other hand, the integral excision requires a high cutting force and cutting accuracy of the operator, and the annular cutting knife easily blocks the operator's field of view, posing a safety hazard. Secondly, a first cutting edge and a second cutting edge are also provided, and the angle between the tip of the first cutting edge and the tip of the second cutting edge is an obtuse angle, wherein the first cutting edge is provided at the front end of the body, and the first cutting edge pierces any part of the part to be circumcised, and the second cutting edge is provided on one side of the body, and the part to be circumcised is circumcised by the second cutting edge during the rotation process. This circumcision method has lower requirements on the cutting force of the operator, and the circumcision is achieved by rotating the body, and the operating field of view is better, which is convenient for the operator to stop and adjust at any time. It can be seen that compared with the prior art, the cutting knife in the embodiment of the utility model can replace the annular cutting knife in the prior art, requires less cutting force, has a good operating field of view, is easy to adjust, and is safer. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0044] Figure 1 A schematic structural diagram of a cutting knife provided in an embodiment of the utility model;

[0045] Figure 2 A schematic structural diagram of a mounting base provided in an embodiment of the present utility model;

[0046] Figure 3 for Figure 2 A decomposition diagram of

[0047] Figure 4 A schematic structural diagram of a foreskin fixator provided in an embodiment of the present utility model;

[0048] Figure 5 A schematic diagram of the structure of a foreskin fixator provided by an embodiment of the present utility model;

[0049] Figure 6A diagram showing a state of use of the foreskin fixator provided by an embodiment of the present utility model;

[0050] Figure 7 for Figure 4 A cross-sectional view of

[0051] Figure 8 An exploded schematic diagram of a circumcision device provided in an embodiment of the present invention;

[0052] Figure 9 Another exploded schematic diagram of the circumcision device provided in an embodiment of the present invention;

[0053] Figure 10 A structural schematic diagram of a nail magazine assembly provided in an embodiment of the present utility model.

[0054] Reference numerals: 01, glans; 02, everted foreskin tissue; 03, inner plate; 04, outer plate; 05, frenulum;

[0055] 1. Fixer; 11. First fixing member; 12. Positioning ring groove; 13. Second fixing member; 14. Positioning protrusion; 15. First accommodating groove; 16. Anvil groove; 17. Anvil; 18. Nail seat groove; 111. Channel; 131. First connecting portion; 132. Second connecting portion; 133. Adjustable displacement; 134. Locking member; 135. First anti-slip member; 136. Second anti-slip member; 137. Positioning protrusion; 138. Clamping block;

[0056] 2. Cutting knife; 21. Main body; 211. First cutting edge; 212. Second cutting edge; 213. First mounting hole; 22. Mounting seat; 23. Mounting groove; 24. Pushing magazine surface; 25. Nail pushing surface; 26. Friction reducing strip; 52. Rotating member; 53. Second accommodating groove; 611. Lower shell; 612. Upper shell; 62. Annular accommodating cavity; 6122. Elastic member slide groove; 42. Resetting member; 7. Nail magazine assembly; 71. Nail magazine; 72. Suture nail; 73. Nail pushing piece; 74. Nail magazine protrusion; 711. Sliding channel. DETAILED DESCRIPTION

[0057] In order to help those skilled in the art better understand the technical solutions of the present invention, the technical solutions in the embodiments of the present invention are clearly and completely described below. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0058] It should be noted that when an element is referred to as being “fixed on” or “set on” another element, it can be directly on the other element or indirectly set on the other element; when an element is referred to as being “connected to” another element, it can be directly connected to the other element or indirectly connected to the other element.

[0059] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do 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.

[0060] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features being referred to. Thus, features defined as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" or "several" means two or more, unless otherwise specifically defined.

[0061] It should be noted that the structures, proportions, sizes, etc. depicted in the drawings of this specification are only used to match the contents disclosed in the specification so that people familiar with this technology can understand and read them. They are not used to limit the conditions under which the present invention can be implemented. Therefore, they have no substantive technical significance. Any structural modifications, changes in proportional relationships, or adjustments in size should still fall within the scope of the technical contents disclosed in this utility model without affecting the effects and purposes that can be achieved by the present utility model.

[0062] The embodiments of the present invention are written in a progressive manner.

[0063] like Figures 1 to 3 As shown, an embodiment of the utility model provides a cutting knife, comprising: a main body 21, which is a sheet-like structure; a first cutting edge 211 arranged at the front end of the main body 21, and the first cutting edge 211 is used to pierce any part of the part to be circumcised; a second cutting edge 212 is arranged on one side of the main body 21, and the second cutting edge 212 is used to cut the part to be circumcised during rotation; wherein, the angle between the tip of the first cutting edge 211 and the tip of the second cutting edge 212 is an obtuse angle.

[0064] Current circumcision staplers often use a circular cutting blade for resection. On the one hand, the circular cutting blade blocks the surgical field of view, and the entire cutting process is completely in an invisible blind cutting state, which greatly tests the doctor's experience. On the other hand, the circular cutting blade performs an integral resection, which requires a large cutting force. The doctor's hands are prone to fatigue after completing multiple operations.

[0065] The cutting knife provided by the present invention is used in a circumcision device. First, it is provided with a body 21, wherein the body 21 is a sheet-like structure. Since it is a sheet-like structure, it is easier to manufacture. The sheet-like body 21 is inserted from any point of the circumcision site and performs circumcision during the rotation process, which is convenient for the operator to remove the foreskin while looking directly, which is safer. The annular cutting knife in the prior art performs an integral excision from the circumference of the circumcision site. On the one hand, the cost and difficulty of manufacturing the annular cutting knife are increased. On the other hand, the integral excision requires a high cutting force and cutting accuracy of the operator. In addition, the annular cutting knife easily blocks the operator's field of view, posing a safety hazard. Secondly, a first cutting edge 211 and a second cutting edge 212 are also provided, and the angle between the tip of the first cutting edge 211 and the tip of the second cutting edge 212 is an obtuse angle, wherein the first cutting edge 211 is provided at the front end of the body 21, and the first cutting edge 211 pierces any part of the part to be circumcised, and the second cutting edge 212 is provided on one side of the body 21, and the part to be circumcised is circumcised by the second cutting edge 212 during the rotation process. This circumcision method requires less cutting force from the operator, and circumcision is achieved by rotating the body 21, and the operating field of view is better, which is convenient for the operator to stop and adjust at any time. It can be seen that compared with the prior art, the cutting knife in the embodiment of the utility model can replace the annular cutting knife in the prior art, requires less cutting force, has a good operating field of view, is easy to adjust, and is safer.

[0066] Furthermore, the main body 21 in the embodiment of the present invention is made of stainless steel material. The main body 21 adopts a sheet structure design, uses less material, is easy to process and assemble, does not require secondary injection molding with other components, is more convenient to manufacture, has simple manufacturing and production processes, and has lower costs.

[0067] Furthermore, as one embodiment, the angle between the tip of the first cutting edge 211 and the tip of the second cutting edge 212 in the embodiment of the present invention is specifically 100° to 150°. Specifically, the tip of the first cutting edge 211 is used to pierce the area to be circumcised, and the second cutting edge 212 is used to circumcise excess foreskin tissue around the area.

[0068] Furthermore, as one implementation method, the thickness of the body 21 in the embodiment of the present invention is specifically 0.1 mm to 1.0 mm.

[0069] In the above structure, as one of the implementation modes, the cutting knife in the embodiment of the utility model also includes a first mounting hole 213, wherein the first mounting hole 213 is arranged at one end of the main body 21 away from the first cutting edge 211, and the cutting knife is installed through the first mounting hole 213.

[0070] Furthermore, the first mounting hole 213 is specifically a threaded hole, and the body 21 and the mounting seat 22 are connected by fastening screws.

[0071] The present invention further provides a circumcision mechanism comprising a holder 1, a mounting seat 22, and a drive assembly, wherein the holder 1 is used to expose and fix the portion to be circumcised on its outer circumferential surface, the mounting seat 22 is rotatably disposed on the outer side of the holder 1, the mounting seat 22 is used to mount a cutting blade, and the drive assembly is used to drive the mounting seat 22 to rotate around the circumference of the holder 1, so that the portion to be circumcised is circumcised by the cutting blade. Due to the provision of the cutting blade, the technical effects of requiring less cutting force, having a good operating field of view, being easy to adjust, and having higher safety can also be achieved.

[0072] In the above structure, as one embodiment, the circular cutting mechanism in the embodiment of the present invention further includes a mounting groove 23 and a locking member. The mounting groove 23 is provided on the mounting seat 22. The end of the cutting blade away from the first cutting edge 211 is placed in the mounting groove 23 and is fixed by the locking member. The driving assembly drives the mounting seat 22 to rotate around the circumference of the holder 1, thereby achieving cutting of the portion to be circularly cut.

[0073] In the above structure, as one of the specific implementation methods, the cutting knife in the embodiment of the utility model is provided with a first mounting hole 213 at one end away from the first cutting edge 211, and a second mounting hole is provided in the mounting groove 23. When the cutting knife is placed in the mounting groove 23, the second mounting hole is coaxially arranged with the first mounting hole 213, and the cutting knife is fixed to the mounting seat 22 by a locking member.

[0074] Furthermore, the first mounting hole 213 and the second mounting hole are both threaded holes, and the locking member is specifically a fastening screw.

[0075] Furthermore, the tip of the first cutting edge 211 pierces any part of the area to be circumcised, and the tip of the first cutting edge 211 contacts the outer surface of the fixture 1. As one embodiment, the circumcision mechanism in the embodiment of the present invention also includes an anvil groove 16 and an anvil 17, wherein the anvil groove 16 is provided on the outer circumferential surface of the fixture 1, and the anvil groove 16 is used to accommodate the anvil 17, and the anvil 17 is used for use with a cutting knife. The anvil 17 is an annular structure, and the anvil 17 and the fixture 1 are specifically detachably connected. The tip of the first cutting edge 211 pierces the foreskin tissue and contacts the anvil 17. When the drive assembly drives the mounting seat 22 to rotate one circle around the circumference of the fixture 1, the second cutting edge 212 circumcises the foreskin tissue.

[0076] In the above structure, as one implementation mode, the width of the anvil groove 16 in the embodiment of the present invention is specifically 0.3 mm to 4 mm, and the depth of the anvil groove 16 is 0.3 mm to 3 mm.

[0077] Furthermore, the anvil 17 is specifically a flexible annular structure, and the cross-sectional shape of the anvil 17 is adapted to the cross-sectional shape of the anvil groove 16. The anvil 17 is used to be accommodated in the anvil groove 16. During the circumcision process, the blade of the cutting knife passes through the foreskin tissue and abuts against the anvil 17, and circumferential cutting is achieved through the circumferential rotation of the cutting knife.

[0078] The present invention also provides a specific structure of a fixer 1, as shown in the following figure. Figures 4 to 7As shown, the fixator includes a first fixing member 11 and a second fixing member 13, wherein a channel 111 is provided inside the first fixing member 11, and the channel 111 is provided along the axial direction of the first fixing member 11, and the channel 111 is used for the patient's genitals to pass through. The second fixing member 13 is mounted on the outside of the first fixing member 11, and the patient's genitals pass through the channel 111, and the foreskin tissue 02 is turned outward to make the foreskin outer plate 04 close to the outer surface of the first fixing member 11. The glans 01, the inner plate 03 and the frenulum 05 are exposed to the doctor's field of vision and are fixed by the second fixing member 13. In this way, it is more convenient for the doctor to operate in a direct vision state, and the foreskin length can be adjusted at any time during the operation to avoid cutting the foreskin frenulum 05 during circumcision and causing medical accidents. Secondly, a positioning ring groove 12, a positioning protrusion 14 and a fixing assembly are also provided. The positioning ring groove 12 is provided on the outer surface of the first fixing member 11, and the positioning protrusion 14 is provided on the inner surface of the second fixing member 13. The second fixing member 13 and the first fixing member 11 are positioned by cooperating between the positioning ring groove 12 and the positioning protrusion 14, and the outward-turned foreskin tissue is fixed by the fixing assembly, and then circumcision is achieved by an external cutting device. The outward-turned foreskin tissue 02 is fixed between the first fixing member 11 and the second fixing member 13 by the fixing assembly, so as to avoid movement during operation and be safer.

[0079] Furthermore, the positioning protrusion 14 in the embodiment of the present invention is specifically a ring-shaped structure, and the positioning protrusion 14 is provided with first receiving grooves 15 at intervals.

[0080] Furthermore, the second fixing member 13 of the present invention defines a cavity for receiving the first fixing member 11. The cavity has a variable inner diameter, and the fixing assembly is used to adjust the inner diameter of the cavity and secure it. Adjusting the inner diameter of the cavity by the fixing assembly allows the operator to readily adjust the relative position between the everted foreskin tissue 02 and the glans penis 01, further enhancing ease of use.

[0081] The fixing assembly in the embodiment of the present utility model includes a first connecting part 131, a second connecting part 132 and a locking member 134, wherein the first connecting part 131 is arranged at the first end of the second fixing member 13, and a first fixing hole is provided on the first connecting part 131, and the second connecting part 132 is arranged at the second end of the second fixing member 13, and a second fixing hole is provided on the second connecting part 132, and the second fixing hole is used to cooperate with the first fixing hole, and an adjustable displacement 133 is provided between the first connecting part 131 and the second connecting part 132, and plastic deformation is generated by the second connecting part to adjust the adjustable displacement 133 between the first connecting part 131 and the second connecting part 132, thereby adjusting the inner diameter of the cavity, and the locking member 134 is used to pass through the first fixing hole and the second fixing hole to fix the first connecting part 131 and the second connecting part 132, thereby fixing the inner diameter of the inner cavity, and fixing the foreskin tissue between the first fixing part and the second fixing part.

[0082] The locking member 134 in the embodiment of the present invention is specifically a locking screw.

[0083] The fixing assembly in the embodiment of the present invention also includes a first anti-slip member 135 and a second anti-slip member 136, wherein the first anti-slip member 135 is arranged on a side of the first connection part 131 away from the second connection part 132, and the second anti-slip member 136 is arranged on a side of the second connection part 132 away from the first connection part 131.

[0084] The foreskin fixator in this embodiment of the present invention further includes a limiting protrusion 137 disposed on the outer surface of the second fixing member 13. The limiting protrusion 137 is used to fix the relative position of the cutting and suturing mechanism and the fixator. At least two limiting protrusions 137 are provided, and the limiting protrusions 137 are circumferentially spaced around the outer surface of the second fixing member 13.

[0085] In the above structure, as one of the embodiments, the circular cutting mechanism in the embodiment of the utility model also includes a shell, a rotating member 52, a feed mechanism and a retracting mechanism, wherein the shell is fixedly sleeved on the outside of the fixer 1, and an annular accommodating chamber 62 is formed between the shell and the fixer 1, and the mounting seat 22 is slidingly connected to the annular accommodating chamber 62. The rotating member 52 can be rotatably arranged in the annular accommodating chamber 62, and the rotating member 52 is provided with a second accommodating groove 53 for accommodating the mounting seat 22; a feed mechanism for pushing the mounting seat 22 into the second accommodating groove 53; and a retracting mechanism for pushing the mounting seat 22 out of the second accommodating groove 53.

[0086] The housing includes an upper housing 612 and a lower housing 611 . The upper housing 612 and the lower housing 611 are detachably connected to each other. An annular accommodating cavity 62 is formed between the upper housing 612 , the lower housing 611 and the holder.

[0087] Specifically, the mounting seat 22 is slidably disposed within the annular accommodating cavity 62. The mounting seat 22 is configured to move radially along the holder 1, such that the cutting blade has a first position and a second position. When the cutting blade is in the first position, the cutting blade is separated from the portion to be circumcised. When the cutting blade is in the second position, the cutting blade passes through the portion to be circumcised and abuts against the outer surface of the holder 1. Because the mounting seat 22 moves radially along the holder 1, the cutting blade is prevented from obstructing the operator's field of vision during the cutting process, making operation safer. Furthermore, a blade feed assembly and a blade retract assembly are also provided. In an initial state, the cutting blade is in the first position, with the cutting blade separated from the portion to be circumcised. The blade feed assembly is used to push the cutting blade from the first position to the second position, facilitating circumcision. After circumcision is completed, the blade retract assembly pushes the cutting blade from the second position back to the first position, resetting the cutting blade. When the cutting blade is in the second position, a drive assembly is used to drive the cutting blade to rotate circumferentially around the holder 1, thereby driving the cutting blade to perform circumcision. Unlike the existing integrated cutting method, the circular cutting mechanism in the present invention drives the cutting blade to rotate circumferentially to perform circular cutting. On the one hand, it is less painful for the patient and has lower requirements for the operator. On the other hand, it does not block the operator's field of view, making the operation process safer. As can be seen, compared with the existing technology, the circular cutting mechanism in the embodiment of the present invention can facilitate the doctor to operate under direct vision, avoiding medical accidents.

[0088] In the above structure, as one of the embodiments, the driving component in the embodiment of the utility model includes meshing teeth, a driving wheel and a driving member, wherein the meshing teeth are arranged on the outer circumferential surface of the rotating member 52, and the driving wheel and the meshing teeth are transmitted through gears, and the driving member is used to drive the driving wheel to rotate, thereby driving the rotating member 52, the mounting seat 22 and the cutting knife to rotate and cut.

[0089] Furthermore, as one of the embodiments, the rotating member 52 is mounted on the outside of the fixer 1, and the rotating member 52 includes an annular body with a rotating wheel arranged above the rotating wheel, and the meshing teeth are arranged on the outer surface of the rotating wheel. The second accommodating groove 53 for accommodating the mounting seat 22 is arranged above the rotating wheel, and the second accommodating groove 53 is arranged on the annular body. The annular body is fixedly connected to the rotating wheel. When the second accommodating groove 53 is initially rotated to the second position, the feed assembly can push the mounting seat 22 and the cutting knife into the second accommodating groove 53, and drive the cutting knife to rotate through the rotating member 52, thereby realizing circular cutting.

[0090] Please Figures 8 to 10As shown, the present invention also provides a circumcision device, comprising: a suturing mechanism and the aforementioned circumcision mechanism, wherein the suturing mechanism includes a staple cartridge assembly 7 disposed within an annular accommodating cavity 62, the staple cartridge assembly 7 being spaced circumferentially around the fixator 1, and a suturing staple 72 disposed within the staple cartridge assembly 7. The suturing staple 72 is configured to be pushed by the circumcision mechanism to abut against the outer surface of the fixator 1 until the suturing staple 72 is closed. After the circumcision mechanism cuts the foreskin tissue, it pushes the suturing staple 72 to suturing the foreskin tissue.

[0091] Furthermore, as one of the embodiments, the circumcision device in the embodiment of the present invention also includes a nail seat groove 18, wherein the nail seat groove 18 is arranged on the outer surface of the fixator 1, and is used for the nail seat groove 18 used in conjunction with the suture nail 72. The nail seat groove 18 is arranged below the anvil groove 16, and the groove width of the nail seat groove 18 is specifically 0.1mm~1mm, and the groove depth of the nail seat groove 18 is 0.05mm~0.8mm. The inclined surfaces on both sides of the nail seat groove 18 are inclined, and the inclined surfaces on both sides of the nail seat groove 18 form an angle of 91°-150° with the groove bottom.

[0092] In the above structure, as one of the embodiments, the circumcision device in the embodiment of the present invention also includes a nail pushing piece 73, wherein the nail pushing piece 73 is arranged in the sliding channel to push the suture nail 72, and the mounting seat 22 pushes the suture nail 72 through the foreskin tissue for suturing during the rotation process.

[0093] Furthermore, during the suturing process, the staple cartridge 71 can move radially along the fixator 1 so that the staple cartridge 71 has a third position and a fourth position. In the initial state, the staple cartridge 71 is located in the third position. At this time, the reset member 42 is in a compressed state. The reset member 42 is specifically arranged between the staple cartridge 71 and the mounting seat 22. When the rotating member 52 drives the mounting seat 22 and the cutting knife to rotate, the mounting seat 22 pushes the staple cartridge 71 toward the fixator 1 to move to the fourth position, further compressing the reset member 42, causing the reset member 42 to produce elastic deformation. Then, the suture staple 72 is pushed to move in the staple magazine 71 for suturing. When the mounting seat 22 rotates to the next staple magazine 71, the reset member 42 pushes the staple magazine 71 to move to the third position. When the mounting seat 22 rotates to the second position, the second position is connected to the first position through the moving channel, and the staple magazine 71 pushes the mounting seat 22 to move to the first position, thereby realizing the process of retracting the knife. At other positions except the second position, the staple magazine 71 pushes the mounting seat 22 to contact the inner wall of the shell, and then the rotating member 52 is rotated to continue the cutting and suturing process.

[0094] The circular cutting structure in the embodiment of the present invention also includes a pushing surface 24 and a nail pushing surface 25, wherein the pushing surface 24 is arranged on the inner side of the mounting seat 22 close to the fixer 1, and the pushing surface 24 is used to push the nail magazine 71 to move during rotation. The nail pushing surface 25 is arranged on the pushing surface 24, and the nail pushing surface 25 is used to push the nail pushing piece 73 to move in the sliding channel 711 when the nail magazine 71 is in the fourth position, thereby allowing the suture nail 72 to perform suturing.

[0095] The circular cutting mechanism in the embodiment of the present invention also includes an elastic member slide groove 6122 and a nail magazine protrusion 74, wherein the elastic member slide groove 6122 is arranged on the upper shell body, the reset member is placed in the elastic member slide groove, the nail magazine protrusion is inserted into the elastic member slide groove 6122, and the two ends of the reset member are respectively connected to the upper shell body and the nail magazine protrusion 74.

[0096] Furthermore, as one embodiment, the pushing surface 24 in the embodiment of the present invention is specifically an arc-shaped surface. The small end of the pushing surface 24 contacts the staple cartridge 71, and the arc radius of the pushing surface 24 gradually increases, which facilitates the pushing surface to guide the staple cartridge when pushing the staple cartridge. After the staple cartridge is reset to the initial position, the mounting base 22 can only rotate in the first direction. If it rotates in the opposite direction, it will be stuck in the staple cartridge, preventing the operator from accidentally triggering it, thereby avoiding repeated cutting at the same location and causing a larger wound.

[0097] Furthermore, as one of the embodiments, the nail pushing surface 25 in the embodiment of the present invention is arranged on the pushing magazine surface 24, and the nail pushing surface 25 is used to contact the end of the nail pushing piece 73 away from the suture nail 72. Along the direction in which the nail pushing surface 25 extends, the distance between the nail pushing surface 25 and the pushing magazine surface 24 gradually increases. During the rotation process, the mounting seat 22 gradually pushes the nail pushing piece 73 to move in the nail magazine 71.

[0098] Furthermore, the nail-pushing surface 25 is specifically an arc-shaped thin sheet.

[0099] More specifically, the nail pushing surface 25 in the embodiment of the present invention includes a nail pushing inclined surface 251 and a nail pushing arc surface 252. The nail pushing inclined surface 251 is arranged in the middle of the pushing chamber surface 24. The first end of the nail pushing inclined surface 251 is connected to the first end of the mounting seat 22, and the two ends of the nail pushing arc surface 252 are respectively connected to the second end of the nail pushing inclined surface 251 and the second end of the mounting seat 22.

[0100] Furthermore, the mounting seat 22 rotates in the annular accommodating cavity 62, and under the action of the reset member 42, the mounting seat 22 will abut against the inner wall of the shell. As one of the implementation methods, the annular cutting mechanism in this practical embodiment also includes a friction reducing strip 26, which is arranged on the outside of the mounting seat 22 away from the fixer 1, and the friction reducing strip 26 is used to reduce the friction force between the mounting seat 22 and the shell.

[0101] The above description of the disclosed embodiments will enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A cutting knife, characterized in that: include: A body (21), wherein the body (21) is a sheet-like structure; a first cutting edge (211) provided at the front end of the body (21), the first cutting edge (211) being used to pierce any part of the portion to be circumcised; a second cutting edge (212) provided on a side surface of the body (21), the second cutting edge (212) being used to perform circular cutting on the portion to be circularly cut during rotation; The angle between the tip of the first cutting edge (211) and the tip of the second cutting edge (212) is an obtuse angle.

2. The cutting knife according to claim 1, characterized in that The angle between the tip of the first cutting edge (211) and the tip of the second cutting edge (212) is specifically 100° to 150°.

3. The cutting knife according to claim 2, characterized in that The thickness of the body (21) is specifically 0.1 mm to 1.0 mm.

4. The cutting knife according to claim 3, characterized in that Also includes: A first mounting hole (213) is provided at an end of the body (21) away from the first cutting edge (211).

5. A circular cutting mechanism, characterized in that: include: A fixer (1), the fixer (1) being used to expose the part to be circumcised on the outer circumferential surface and fix it; a mounting seat (22) rotatably arranged on the outside of the holder (1), wherein the mounting seat (22) is provided with a cutting knife as claimed in any one of claims 1 to 4; A driving assembly for driving the mounting seat (22) to rotate around the fixer (1).

6. The circular cutting mechanism according to claim 5, characterized in that: Also includes: a mounting groove (23) provided on the mounting seat (22), the mounting groove (23) being used to accommodate an end of the cutting knife away from the first cutting edge; A locking member for fixing the cutting knife to the mounting seat (22).

7. The circular cutting mechanism according to claim 5, characterized in that: Also includes: an anvil groove (16) provided on the circumferential surface of the holder (1); An anvil (17) is provided in the anvil groove (16) and is used in conjunction with the cutting knife. The anvil (17) is an annular structure, and the anvil (17) and the holder (1) are detachably connected.

8. The circular cutting mechanism according to claim 7, characterized in that: The width of the anvil groove (16) is specifically 0.3 mm to 4 mm, and the depth of the anvil groove (16) is 0.3 mm to 3 mm.

9. The circular cutting mechanism according to any one of claims 5 to 8, characterized in that: Also includes: A shell (6) is fixedly sleeved on the outside of the holder (1), an annular accommodating cavity is formed between the shell (6) and the holder (1), and the mounting seat (22) is slidably connected to the annular accommodating cavity; a rotating member (52) rotatably disposed in the annular accommodating cavity, wherein the rotating member (52) is provided with a second accommodating groove (53) for accommodating the mounting seat (22); A feed mechanism for pushing the mounting seat (22) into the second accommodating groove (53); A tool retraction mechanism for pushing the mounting seat (22) out of the second accommodating groove (53).

10. A circumcision device, characterized in that: include: A suturing mechanism and a circumcision mechanism according to any one of claims 5 to 9; in, The suturing mechanism comprises a staple cartridge assembly (7) arranged in an annular accommodating cavity, wherein the staple cartridge assembly (7) is arranged at circumferential intervals around the fixator (1), and a suturing staple (72) is arranged in the staple cartridge assembly (7), and the suturing staple (72) is configured to be pushed by the annular cutting mechanism to abut against the outer surface of the fixator until the suturing staple is closed.

11. The circumcision device according to claim 10, wherein: Also includes: A nail seat groove (18) for use with a suture nail (72) is provided on the outer surface of the fixator (1), the nail seat groove (18) being provided below the anvil groove (16), the groove width of the nail seat groove (18) being specifically 0.1 mm to 1 mm, the groove depth of the nail seat groove (18) being 0.05 mm to 0.8 mm, the inclined surfaces on both sides of the nail seat groove (18) being inclined, and the inclined surfaces on both sides of the nail seat groove (18) forming an angle of 91° to 150° with the groove bottom.

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