Oversleeve type circumcision device and use method

Abstract

According to the oversleeve type circumcision device and the using method, a circumcision sleeve is movably connected to the peripheral side of a positioning piece of a middle shaft assembly in a sleeving mode, the circumcision sleeve comprises pressing parts with blade parts, the blade parts on the inner walls of the pressing parts jointly serve as annular blades, and all the pressing parts are located on the peripheral side of the positioning piece; a preset gap is reserved between the pressing part and the peripheral side of the positioning piece, the glans penis is positioned on the positioning piece, the preset gap is used for avoiding a stretched prepuce on the peripheral side of the glans penis, and a blade limiting plate is elastically coupled to the inner side wall of the pressing part; in practical application, after the glans penis and the prepuce are fixed on the positioning piece, the blade part on the girdling sleeve corresponds to the specified position on the prepuce, the girdling sleeve is pressed and rotated, the extending length of the blade part is limited through the blade limiting plate, and the specified position on the prepuce is rotationally cut more quickly while the cutting depth is limited; and the safety and the operation convenience of the circumcision operation are greatly improved.

Description

Technical Field

[0001] This invention relates to the field of circumcision technology, and more particularly to a sleeve-type circumcision device and its usage method. Background Technology

[0002] In current circumcision procedures, two incisions need to be made at two locations a certain distance away from the coronal sulcus. This operation is usually performed manually by a skilled person using a scalpel to make the incision directly on the epidermis. Figure 2 As shown, the problem with this operation is that it is difficult to accurately control the depth of the cut, resulting in poor safety. Furthermore, the cutting process is relatively complex, leading to low efficiency and safety during the operation.

[0003] Therefore, overcoming the shortcomings of the existing technology is an urgent problem to be solved in this technical field. Summary of the Invention

[0004] The problem this invention aims to solve is how to improve the safety and operational efficiency of circumcision surgery.

[0005] In a first aspect, a sleeve-type circumcision device is provided, comprising: a central shaft assembly 1 and a circumcision sleeve 2, wherein: The circumferential sleeve 2 includes a base portion 21 and at least two pressing portions 22. All the pressing portions 22 are arranged around the periphery of one end of the base portion 21. An movable gap is reserved between adjacent pressing portions 22. Two blade portions 23 are provided inside the pressing portion 22. Different blade portions 23 are located at different axial positions inside the pressing portion 22. A blade limiting plate 24 is elastically coupled to the inner position of each pressing portion 22. One end of the central axis assembly 1 is a positioning element 11, the circumferential sleeve 2 is movably sleeved at the position of the positioning element 11, all the pressing parts 22 surround the periphery of the positioning element 11, and a preset gap is reserved between the pressing parts 22 and the periphery of the positioning element 11. The outer end of the positioning member 11 is used to accommodate the positioning glans, and the preset gap is used to avoid the foreskin that is stretched around the glans. The stretched foreskin passes through the positioning member 11 along the axial direction within the preset gap and is then fixed. The circumferential sleeve 2 is used to rotate around the central shaft assembly 1, while the pressing part 22 is used to be pressed inward so that the blade part 23 rotates and cuts a slit of a preset depth on the stretched foreskin; wherein, the blade limiting plate 24 is used to fit against the outer surface of the stretched foreskin and limit the extension distance of the blade part 23 relative to the blade limiting plate 24 to be less than or equal to a preset limiting distance.

[0006] Preferably, each blade portion 23 includes a plurality of sub-blade portions 231 and a limiting stage 232, with a preset distance between adjacent sub-blade portions 231; The blade limiting plate 24 is provided with a plurality of through slots 241 at the axial positions corresponding to the corresponding blade part 23, and each through slot 241 corresponds to the position of the corresponding sub-blade part 231. The limiting platform 232 is located at both ends of the blade part 23. The extension length a of the limiting platform 232 relative to the inner wall of the pressing part 22 is less than the extension length b of the sub-blade part 231 relative to the inner wall of the pressing part 22. The difference between the extension length b and the extension length a is the preset limiting distance. When the pressing part 22 is pressed to cut the stretched foreskin, the blade limiting plate 24 is used to fit against the outer surface of the stretched foreskin. The sub-blade part 231 extends out from the corresponding through groove 241, and when it extends a preset limiting distance, the blade limiting plate 24 abuts against the end face of the limiting platform 232 to prevent the sub-blade part 231 from continuing to extend out from the corresponding through groove 241, thereby limiting the cutting depth of the blade part 23 on the stretched foreskin.

[0007] Preferably, a first limiting plate 242 and a second limiting plate 243 are provided on both sides of the blade limiting plate 24, and the first limiting plate 242 and the second limiting plate 243 on the same side are located in the same movable gap; A first limiting block 221 and a second limiting block 222 are provided on the side end faces of both sides of the pressing part 22; The first limiting plate 242 is located between the first limiting block 221 and the second limiting block 222 on the corresponding side end face of the pressing part 22; The end of the first limiting block 221 facing the second limiting block 222 is the first inner end face 221A, and the end of the second limiting block 222 facing the first limiting block 221 is the second inner end face 222A. The two ends of the first limiting plate 242 are respectively attached to the first inner end face 221A and the second inner end face 222A. The end of the second limiting block 222 facing away from the second inner end face 222A is the second outer end face 222B. The second limiting plate 243 is located on one side of the second outer end face 222B. The end of the second limiting block 222 facing the second limiting block 222 is in contact with the second outer end face 222B. The first limiting block 221 and the second limiting block 222 limit the first limiting plate 242 and the second limiting plate 243 in the axial direction, thereby limiting the blade limiting plate 24 in the axial direction.

[0008] Preferably, a first limiting groove 221B is provided on the first inner end face 221A, and the length of the first limiting groove 221B is greater than or equal to the preset limiting distance. A limiting slide 244 is provided on one end of the first limiting plate 242 facing the first limiting block 221. The limiting slide 244 is located in the first limiting groove 221B. The limiting slide 244 is limited by the first limiting groove 221B to limit the first limiting plate 242.

[0009] Preferably, a plurality of elastic elements 25 are provided on the inner sidewall of the pressing part 22, and all the elastic elements 25 are located between the pressing part 22 and the blade limiting plate 24. The elastic elements 25 are used to realize elastic coupling between the pressing part 22 and the blade limiting plate 24.

[0010] Preferably, the positioning member 11 includes a positioning groove 111 and a cutting board portion 112, wherein: The positioning groove 111 is connected to the anvil portion 112; The positioning groove 111 is located at the outer end of the positioning member 11, and the positioning groove 111 is used to accommodate the positioning glans. The anvil portion 112 is cylindrical, and all the pressing portions 22 surround the periphery of the anvil portion 112. A preset gap is reserved between the pressing portions 22 and the periphery of the anvil portion 112. The anvil portion 112 extends axially from the location of one of the blade portions 23 on the pressing portion 22 to the location of the other blade portion 23. When cutting the stretched foreskin, the anvil portion 112 is used to fit and support the inner surface of the stretched foreskin.

[0011] Preferably, the sleeve-type circumcision device further includes a transition member 3 and an adjusting member 4, wherein: The adjusting member 4 is disposed on the other end of the central shaft assembly 1, and the transition member 3 is located between the adjusting member 4 and the annular sleeve 2, and the transition member 3 is sleeved around the central shaft assembly 1.

[0012] Preferably, the other end of the central shaft assembly 1 is provided with an adjusting thread 12, the central shaft position of the adjusting member 4 is provided with an adjusting screw hole 41, the other end of the central shaft assembly 1 is located in the adjusting screw hole 41, and the adjusting thread 12 on the other end of the central shaft assembly 1 and the adjusting screw hole 41 are threadedly engaged. By rotating the adjusting member 4 to adjust the threaded fit between the adjusting member 4 and the central shaft assembly 1 in the axial direction, the axial position of the transition member 3 and the circumferential sleeve 2 relative to the central shaft assembly 1 is adjusted, so as to position the blade portion 23 on the central shaft assembly 1 in an accurate position.

[0013] Secondly, a method for using a sleeve-type circumcision device is provided, for application on the sleeve-type circumcision device, comprising: Position the glans penis at the outer end of the positioning member 11; The foreskin around the glans is stretched along the axial direction and passed over the positioning piece 11 before being fixed to the central axis assembly 1; Insert the circumferential sleeve 2 from the other end of the central shaft assembly 1 and position the pressing part 22 to the circumferential position of the positioning member 11; The pressing part 22 is pressed inward, while the circumferential cutting sleeve 2 is rotated around the central axis assembly 1, so that the blade part 23 rotates and cuts the stretched foreskin.

[0014] Preferably, positioning the pressing part 22 to the peripheral position of the positioning member 11 specifically includes: The sleeve-type circumcision device also includes a transition piece 3 and an adjusting piece 4; After inserting the circumferential sleeve 2 into the end of the central shaft assembly 1 facing away from the positioning member 11, insert the transition member 3 into the end of the central shaft assembly 1 facing away from the positioning member 11. The adjusting member 4 and the end of the central shaft assembly 1 facing away from the positioning member 11 are threaded together. By rotating the adjusting member 4, the axial position of the adjusting member 4 relative to the central shaft assembly 1 is adjusted. In this way, the adjusting member 4 pushes the adjusting transition member 3 and the circumferential sleeve 2 relative to the central shaft assembly 1 to position the blade part 23 on the central shaft assembly 1 in an accurate position.

[0015] Unlike existing technologies, the present invention has at least the following beneficial effects: The circumcision sleeve 2 is movably fitted around the positioning member 11 of the central axis assembly 1. The circumcision sleeve 2 includes pressing parts 22 with blade portions 23. The blade portions 23 on the inner walls of each pressing part 22 collectively serve as annular blades. All pressing parts 22 are located around the positioning member 11, and a preset gap is reserved between the pressing parts 22 and the periphery of the positioning member 11. The glans is positioned on the positioning member 11. The preset gap is used to avoid the foreskin being stretched around the glans. A blade limiting plate 24 is elastically coupled to the inner wall of the pressing part 22. In practical applications, after fixing the glans and foreskin on the positioning member 11, the blade portions 23 on the circumcision sleeve 2 are aligned with the designated positions on the foreskin. The circumcision sleeve 2 is pressed and rotated. The blade limiting plate 24 restricts the length of the blade portions 23 extending, limiting the cutting depth while allowing for faster rotational cutting at the designated positions on the foreskin. This greatly improves the safety and ease of operation of the circumcision surgery. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 An exploded view of a sleeve-type circumcision device provided in an embodiment of the present invention; Figure 2 The image shows the effect of existing circumcision procedures; Figure 3 This is a schematic diagram of a sleeve-type circumcision device provided in an embodiment of the present invention; Figure 4 This is a schematic diagram of the circumcision sleeve in a sleeve-type circumcision device provided in an embodiment of the present invention; Figure 5 A partial schematic diagram of the concealed blade limiting plate of the circumcision sleeve in a sleeve-type circumcision device provided in an embodiment of the present invention; Figure 6 This is a partial schematic diagram of the circumcision sleeve in a sleeve-type circumcision device provided in an embodiment of the present invention; Figure 7 This is a partial schematic diagram of the circumcision sleeve in another sleeve-type circumcision device provided in an embodiment of the present invention; Figure 8 A schematic diagram of the central shaft assembly of a sleeve-type circumcision device provided in an embodiment of the present invention; Figure 9 This is a partial schematic diagram showing the position of the positioning element in a sleeve-type circumcision device according to an embodiment of the present invention; Figure 10 A cross-sectional view of a sleeve-type circumcision device provided in an embodiment of the present invention; Figure 11 This is a schematic diagram of a sleeve-type circumcision device for fixing the foreskin to the central shaft assembly, provided in an embodiment of the present invention. Figure 12 This is a schematic diagram of a sleeve-type circumcision device provided in an embodiment of the present invention, showing the foreskin fixed on the central shaft assembly and the foreskin being pressed by the circumcision sleeve; Figure 13 This is a schematic diagram of another sleeve-type circumcision device provided in an embodiment of the present invention; Figure 14 This is a partial schematic diagram of the circumcision sleeve in another sleeve-type circumcision device provided in an embodiment of the present invention; Figure 15This is a partial schematic diagram of the circumcision sleeve in another sleeve-type circumcision device provided in an embodiment of the present invention; Figure 16 A cross-sectional view of the blade position in a sleeve-type circumcision device provided in an embodiment of the present invention; Figure 17 This is a partial schematic diagram of the circumcision sleeve in another sleeve-type circumcision device provided in an embodiment of the present invention; Figure 18 This is a partial schematic diagram of the circumcision sleeve in another sleeve-type circumcision device provided in an embodiment of the present invention; Figure 19 A cross-sectional view of the blade limiting plate in a sleeve-type circumcision device provided in an embodiment of the present invention; Figure 20 A schematic diagram of the central shaft assembly of a sleeve-type circumcision device provided in an embodiment of the present invention; Figure 21 This is a schematic diagram of another sleeve-type circumcision device provided in an embodiment of the present invention; Figure 22 This is a schematic diagram of another sleeve-type circumcision device provided in an embodiment of the present invention; Figure 23 This is a schematic diagram showing the concealed transition and adjustment components of a sleeve-type circumcision device provided in an embodiment of the present invention; Figure 24 A schematic diagram of the adjusting component of a sleeve-type circumcision device provided in an embodiment of the present invention; Figure 25 A flowchart illustrating the method of using a sleeve-type circumcision device according to an embodiment of the present invention; Figure 26 A flowchart illustrating the method for positioning the circumcision sleeve in a sleeve-type circumcision device according to an embodiment of the present invention; The attached figures are numbered as follows: Central shaft assembly 1; positioning component 11; positioning groove 111; anvil plate part 112; adjusting thread 12; circumferential cutting sleeve 2; base part 21; pressing part 22; first limiting block 221; first inner end face 221A; first limiting slide groove 221B; second limiting block 222; second inner end face 222A; second outer end face 222B; blade part 23; sub-blade part 231; limiting platform 232; blade limiting plate 24; through groove 241; first limiting plate 242; second limiting plate 243; limiting slide 244; elastic component 25; transition component 3; adjusting component 4; adjusting screw hole 41. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0019] In the description of this invention, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this disclosure and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this disclosure.

[0020] In the description of this invention, 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 indicated technical features. Thus, a feature defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of this disclosure, unless otherwise stated, "a plurality of" means two or more. Furthermore, for example, the description may use the prefix "A" or "B" to describe the same type of nouns as two independent entities. In this case, the corresponding features defined with "A" and "B" are used only to distinguish between similar entities and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features.

[0021] In describing some embodiments, the terms "coupled," "coupled," and "connected," and their derivative expressions, may be used. For example, the term "connected" may be used in describing some embodiments to indicate that two or more components have direct physical or electrical contact with each other. Similarly, the term "coupled" may be used in describing some embodiments to indicate that two or more components have direct physical or electrical contact. However, the terms "connected" or "coupled" may also refer to two or more components that do not have direct contact with each other but still cooperate or interact with each other, such as "optical coupling," "wireless connection," etc. The embodiments disclosed herein are not necessarily limited to the scope of this invention.

[0022] In the description of this invention, the terms "A and / or B" are used to represent specific features, and the corresponding expressions include the following three combinations: only A, only B, and a combination of A and B.

[0023] As used in this invention, “about,” “approximately,” or “approximately” includes the stated value and the average value within an acceptable range of deviation from a particular value, wherein the acceptable range of deviation is determined by a person skilled in the art taking into account the measurement under discussion and the error associated with the measurement of the particular quantity, i.e., the limitations of the measurement system.

[0024] Unless the context otherwise requires, throughout the specification and claims, the term "comprising" is interpreted as openly inclusive, meaning "including, but not limited to." In the description of the specification, terms such as "one embodiment," "some embodiments," "exemplary embodiment," "example," "specific example," or "some examples" are intended to indicate that a particular feature, structure, material, or characteristic associated with that embodiment or example is included in at least one embodiment or example of this disclosure. The illustrative representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics mentioned may be included in any suitable manner in any one or more embodiments or examples; that is, although they may be incorporated into embodiments or examples using the above terms for reasons such as order and position, it does not limit them to be incorporated in combination by a single embodiment or example.

[0025] Furthermore, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0026] Example 1: This embodiment provides a sleeve-type circumcision device, such as... Figure 1 as well as Figures 3-6 As shown, it includes: a central shaft assembly 1 and a circumferential sleeve 2, wherein: the circumferential sleeve 2 includes a base portion 21 and at least two pressing portions 22, all of the pressing portions 22 are arranged around the periphery of one end of the base portion 21, and an movable gap is reserved between adjacent pressing portions 22, and two blade portions 23 are provided inside the pressing portion 22, with different blade portions 23 located at different axial positions inside the pressing portion 22.

[0027] The circumferential sleeve 2 is a hollow cylinder and is movably fitted onto one end of the central shaft assembly 1 where the positioning member 11 is located. All the pressing parts 22 are arranged around one end face of the base part 21; the base part 21 is a hollow cylinder; all the pressing parts 22 are integrally hollow cylinders. Figure 5 For example, Figure 5From the perspective of the base portion 21, two pressing portions 22 are provided on the upper end face. The upper end face of each pressing portion 22 is semi-circular, and the two pressing portions 22 together form a hollow column shape. The pressing portions 22 can be made of easily deformable materials such as plastic, which facilitates deformation under external pressing force. The movable gap is: a preset gap distance is left between the side end faces of adjacent pressing portions 22. When the pressing portion 22 is subjected to an inward pressing force, the preset gap distance can provide a space to accommodate the deformation of the pressing portion 22 toward the inward side. The preset gap distance is set by those skilled in the art according to the actual situation.

[0028] In this embodiment, as Figure 5 As shown, all the blade portions 23 on the pressing part 22, located at the same axial position, together constitute a ring blade, used to perform circumferential cutting on the stretched foreskin at the same axial position, such as... Figure 5 As shown, Figure 5 Each pressing part 22 has a single blade portion 23 in a semi-circular arc shape, and the blade portions 23 on two pressing parts 22 located at the same axial position together form a ring blade. For a single pressing part 22, one blade portion 23 is located near the base part 21, and the other blade portion 23 is located away from the base part 21. These are different axial positions inside the pressing part 22, and are used to cut different axial positions on the stretched foreskin. In this embodiment, the axial position is the position of the entire device in the central axis direction.

[0029] In practical applications, considering that the cutting depth needs to be strictly controlled when the foreskin is cut by the blade part 23, excessive cutting depth may cause injury and accidents, but in actual operation, the operation is carried out by medical staff manually controlling the pressing part 22, and the operation accuracy is difficult to guarantee. Therefore, the corresponding structural design is required to limit the cutting depth of the blade part 23, so as to avoid the blade part 23 cutting the foreskin too deeply when the operator applies excessive force to the pressing part 22. Therefore, the following design is also involved in this embodiment.

[0030] like Figure 6 As shown, each pressing part 22 has a blade limiting plate 24 elastically coupled to its inner side, and the blade limiting plate 24 extends axially from the position of one blade part 23 to the position of the other blade part 23.

[0031] like Figure 6 and Figure 7As shown, the thickness of the blade limiting plate 24 is much smaller than the length of the blade portion 23 extending relative to the inner wall of the pressing portion 22. The elastic coupling is as follows: multiple elastic elements 25 are provided on the inner wall of the pressing portion 22, all of which are located between the pressing portion 22 and the blade limiting plate 24. The elastic elements 25 are used to achieve elastic coupling between the pressing portion 22 and the blade limiting plate 24. In this embodiment, one end of the elastic element 25 is fixed to the inner wall of the pressing portion 22, and the other end can be fixed to the blade limiting plate 24 or only elastically abut against it. When the pressing portion 22 and the blade limiting plate 24 are subjected to inward pressure, the elastic element 25 is compressed, and the distance between the pressing portion 22 and the blade limiting plate 24 decreases. When the pressing portion 22 and the blade limiting plate 24 are not subjected to external force, the elastic element 25 recovers, and the distance between the pressing portion 22 and the blade limiting plate 24 increases back to its original state. Figure 6 As shown, Figure 6 The arrows in the diagram indicate the direction of operation of the pressing part 22 and the blade limiting plate 24 when subjected to external pressure.

[0032] It is important to note that, such as Figure 6 and Figure 7 As shown, when the elastic element 25 between the pressing part 22 and the blade limiting plate 24 is not compressed, the distance between the blade limiting plate 24 and the inner wall of the pressing part 22 is at its maximum. The length of the blade part 23 extending relative to the inner wall of the pressing part 22 is less than or equal to the distance between the blade limiting plate 24 and the inner wall of the pressing part 22. At this time, the blade part 23 is completely between the blade limiting plate 24 and the inner wall of the pressing part 22, and the end of the blade part 23 does not protrude relative to the blade limiting plate 24. The end of the blade part 23 is the cutting tip. During the process of fitting the circumferential sleeve 2 onto the central shaft assembly 1, the sheath fixed to the central shaft assembly 1 is prevented from being scratched by the end of the blade part 23 due to the blade part 23 protruding relative to the blade limiting plate 24. The elastic coupling ensures that when the device is not in use, the distance between the pressing part 22 and the blade limiting plate 24 is maintained at its maximum by the elastic element 25.

[0033] When the pressing part 22 and the blade limiting plate 24 are subjected to excessive inward force, the blade part 23 will extend inward relative to the blade limiting plate 24. When the blade part 23 extends too far relative to the blade limiting plate 24, the blade limiting plate 24 will be abutted to prevent the blade part 23 from extending further relative to the blade limiting plate 24, so as to control the maximum extension length of the blade part 23, limit the cutting depth, and improve operational safety.

[0034] like Figures 8-10As shown, one end of the central shaft assembly 1 is a positioning member 11, the circumferential sleeve 2 is movably sleeved at the position of the positioning member 11, all the pressing parts 22 surround the periphery of the positioning member 11, and a preset gap is reserved between the pressing parts 22 and the periphery of the positioning member 11.

[0035] The outer end of the positioning member 11 is used to accommodate the positioning glans, and the preset gap is used to avoid the foreskin that is stretched around the glans. The stretched foreskin passes through the positioning member 11 along the axial direction within the preset gap and is then fixed.

[0036] like Figure 8 As shown, with Figure 8 Taking a specific perspective, the central axis assembly 1 is generally cylindrical and located on the central axis of the entire device. The upper end of the central axis assembly 1 is the positioning element 11, which is generally columnar with an inwardly grooved outer end to accommodate the glans penis. The cross-sectional diameter of the positioning element 11 is much larger than that of other parts of the central axis assembly 1. In practical applications, unlike the prior art, this embodiment requires the glans penis to be placed at the outer end of the positioning element 11 and accurately positioned. The foreskin around the glans penis is stretched along the axial direction of the central axis assembly 1, and after passing the periphery of the positioning element 11, the stretched end of the foreskin is fixed to the central axis assembly 1. This completes the fixation between the glans penis and the foreskin to the central axis assembly 1. In other words, by stretching the foreskin axially and placing it around the central axis assembly 1, the periphery of the positioning element 11 serves as the bearing surface for the foreskin, facilitating subsequent cutting of the foreskin.

[0037] like Figure 11 As shown, after the glans penis is positioned on the outer end of the positioning member 11, the foreskin around the glans penis is stretched along the axial direction, passing the peripheral position of the positioning member 11 and then fixed on the central shaft assembly 1. Figure 11 The white outline at one end of the central shaft assembly 1 represents the stretched foreskin, in which the glans and positioning element 11 are obscured by the foreskin and therefore not visible. Figure 11 Draw in the middle, Figure 11 The position of the protrusion on the periphery of the foreskin is the position where the foreskin crosses the periphery of the positioning piece 11. Figure 11 The dotted line at the end of the foreskin represents the position where the foreskin and the central shaft assembly 1 are fixed together.

[0038] like Figure 12 The image shows the state of the foreskin after it has been fixed to the central shaft assembly 1 and the circumferential sleeve 2 has been fitted around the central shaft assembly 1. It should be noted that... Figure 12 To clearly demonstrate the state of the foreskin after the circumferential sleeve is attached, the following steps are taken: Figure 12 The middle ring sleeve 2 is hidden, and it can be seen that compared to Figure 11 , Figure 12Due to the pressure of the outer ring sleeve 2, most of the foreskin fits more tightly against the surface of the central shaft assembly 1, making it easier to cut the foreskin later. Figure 12 The dotted line at the end of the foreskin indicates the position where the foreskin and the central shaft assembly 1 are fixed together. Figure 12 The corresponding positions of the blade portion 23 on the foreskin and the circumcision sleeve 2 are marked with dashed lines to indicate the positions on the foreskin that are cut by the blade portion 23.

[0039] Since all the pressing portions 22 are positioned around the periphery of the positioning member 11, that is, the inner wall of the pressing portion 22 is opposite to the outer wall of the positioning member 11, and in actual application, the outer wall of the positioning member 11 is fitted with a stretched sheath, and the pressing portion 22 requires sufficient pressing stroke to be pressed inward, therefore... Figure 9 and Figure 10 As shown, where Figure 10 As shown in the cross-sectional view, a preset gap is provided between the pressing part 22 and the periphery of the positioning member 11. This preset gap serves two purposes: firstly, to accommodate the stretched foreskin that adheres to the outer wall; and secondly, to provide sufficient pressing stroke when the pressing part 22 is pressed inward. The distance of the preset gap can be set by those skilled in the art based on actual conditions. Based on the above design, blades 23 at different axial positions on the inner side of the pressing part 22 are used to cut portions of the stretched foreskin at different axial positions when the pressing part 22 is pressed inward. In this embodiment, a pressing boss can also be provided on the outer wall of the pressing part 22 to improve the force applied by the user during pressing.

[0040] like Figure 13 As shown, the circumferential sleeve 2 is used to rotate around the central shaft assembly 1, while the pressing part 22 is used to be pressed inward so that the blade part 23 rotates and cuts a slit of a preset depth on the stretched foreskin; wherein, the blade limiting plate 24 is used to fit against the outer surface of the stretched foreskin and limit the extension distance of the blade part 23 relative to the blade limiting plate 24 to be less than or equal to a preset limiting distance.

[0041] The preset limit distance and the preset depth are both set by those skilled in the art based on actual conditions.

[0042] In summary, based on the above structural design, such as Figure 13As shown, the following method design is provided in actual circumcision application scenarios: After fixing the glans and foreskin to the central axis assembly 1, the circumcision sleeve 2 is movably fitted onto the central axis assembly 1, and the blade portion 23 on the circumcision sleeve 2 is aligned with the designated position on the foreskin. Keeping the central axis assembly 1 stationary, all pressing portions 22 are pressed inward. At this time, the blade limiting plate 24 is attached to the outer surface of the stretched foreskin, limiting the maximum distance that the blade portion 23 extends relative to the blade limiting plate 24, avoiding excessive extension of the blade portion 23 relative to the blade limiting plate 24, which would lead to an excessively deep subsequent incision. At the same time, the circumcision sleeve 2 is rotated around the central axis assembly 1, and the two blade portions 23 on the circumcision sleeve 2 respectively rotate and cut the designated position on the foreskin. Figure 13 The arrows in the diagram represent the pressing direction of the pressing part 22 and the rotation direction of the entire annular sleeve 2, respectively.

[0043] In this embodiment, the circumcision sleeve 2 is movably sleeved around the positioning member 11 of the central axis assembly 1. The positioning member 11 on the central axis assembly 1 is used to fix the glans and foreskin. The circumcision sleeve 2 includes pressing parts 22 with blade portions 23. The blade portions 23 on the inner walls of each pressing part 22 together serve as annular blades. All pressing parts 22 are located around the positioning member 11, and a preset gap is reserved between the pressing parts 22 and the periphery of the positioning member 11. The preset gap is used to accommodate the foreskin stretched around the glans. A blade limiting plate 24 is elastically coupled to the inner wall of the pressing part 22. In practical applications, after fixing the glans and foreskin to the positioning member 11, the blade portions 23 on the circumcision sleeve 2 are aligned with the designated positions on the foreskin. The circumcision sleeve 2 is pressed and rotated. The blade limiting plate 24 limits the length of the blade portions 23 extending outwards. While limiting the cutting depth, the designated positions on the foreskin are rotated and cut more quickly. This greatly improves the safety and ease of operation of the circumcision surgery.

[0044] Furthermore, in this embodiment, in order to limit the cutting depth of the blade portion 23, the blade portion 23 and the blade limiting plate 24 need to be structurally designed so that when the pressing portion 22 is pressed by an external force, the blade limiting plate 24 fits against the foreskin surface around the positioning member 11, and the blade portion 23 extends a maximum of a preset limiting distance relative to the blade limiting plate 24, thereby controlling the maximum cutting depth of the blade portion 23 on the foreskin. Therefore, this embodiment also involves the following design.

[0045] like Figures 14-16As shown, each blade section 23 includes multiple sub-blade sections 231 and a limiting platform 232, with a preset distance between adjacent sub-blade sections 231; the blade limiting plate 24 is provided with multiple through slots 241 at axial positions corresponding to the corresponding blade section 23, and each through slot 241 corresponds to the position of the corresponding sub-blade section 231; the limiting platform 232 is located at both ends of the blade section 23, and the extension length a of the limiting platform 232 relative to the inner wall of the pressing part 22 is less than the extension length b of the sub-blade section 231 relative to the inner wall of the pressing part 22, and the difference between the extension length b and the extension length a is the preset limiting distance.

[0046] When the pressing part 22 is pressed to cut the stretched foreskin, the blade limiting plate 24 is used to fit against the outer surface of the stretched foreskin. The sub-blade part 231 extends out from the corresponding through groove 241, and when it extends a preset limiting distance, the blade limiting plate 24 abuts against the end face of the limiting platform 232 to prevent the sub-blade part 231 from continuing to extend out from the corresponding through groove 241, thereby limiting the cutting depth of the blade part 23 on the stretched foreskin.

[0047] In this embodiment, as Figure 16 As shown, all sub-blades 231 on the same blade portion 23 are located in the same axial position. The cross-section of each sub-blade portion 231 is triangular. The cross-sectional width of the sub-blade portion 231 gradually decreases from the side near the inner wall of the pressing portion 22 to the end of the sub-blade portion 231. The ends of the sub-blade portions 231 are relatively sharp for cutting the skin. The preset distance is set by those skilled in the art according to the actual situation.

[0048] In this embodiment, as Figure 14 and Figure 15 As shown, all through slots 241 corresponding to the same blade portion 23 are located in the same axial position. The through slots 241 can be rectangular. The length of each through slot 241 must be greater than or equal to the length of the sub-blade portion 231 at one end of the pressing portion 22, and the width of each through slot 241 must be greater than or equal to the width of the sub-blade portion 231 at one end of the pressing portion 22. The limiting platform 232 is located at both ends of the blade portion 23. The extension length a is the protrusion length of the limiting platform 232 relative to the inner wall of the pressing portion 22 (i.e.,...). Figure 16 The length a), the extension length b is the protrusion length of the sub-blade portion 231 relative to the inner wall of the pressing portion 22 (i.e., the length a), the extension length b is the length of the protrusion of the sub-blade portion 231 relative to the inner wall of the pressing portion 22. Figure 16 (length b) Figure 16 The length c in the figure represents the maximum distance that the sub-blade portion 231 extends relative to the blade limiting plate 24, which is the preset limiting distance (ignoring the thickness of the blade limiting plate 24); for example Figure 16 As shown, Figure 16This is a cross-sectional view of the pressing part 22 and the blade limiting plate 24. Figure 16 The arrows indicate the movement directions of the pressing part 22 and the blade limiting plate 24, respectively. When the blade limiting plate 24 is subjected to a force in the direction of the pressing part 22, the sub-blade part 231 passes through the corresponding through groove 241 until the outer wall of the blade limiting plate 24 abuts against the end face of the limiting platform 232. If the blade limiting plate 24 continues to be subjected to a force in the direction of the pressing part 22, the blade limiting plate 24 cannot continue to move in the direction of the pressing part 22 due to the abutment and limitation of the limiting platform 232. At this time, the sub-blade part 231 cannot continue to extend out of the corresponding through groove 241. Therefore, the sub-blade part 231 can only extend inward a preset limited distance relative to the blade limiting plate 24.

[0049] The main purpose of the above-mentioned spacing design of the sub-blade section 231 and the corresponding spacing design of the through groove 241 is to: while satisfying the limitation of the extension length of the sub-blade section 231 by the blade limiting plate 24, avoid the opening structure on the blade limiting plate 24 being too large, so as to maintain the structural strength of the blade limiting plate 24.

[0050] It should be noted that in this embodiment, the pressing part 22 is provided with two blade parts 23, and each blade part 23 and the corresponding through groove 241 on the blade part 23 are consistent with the above-described structure.

[0051] Furthermore, in this embodiment, the blade limiting plate 24 also needs to be limited and fixed to prevent the blade limiting plate 24 from being pulled out in the axial direction during the process of putting the link sleeve on the central shaft assembly 1. Therefore, the blade limiting plate 24 in this embodiment also involves the following design.

[0052] like Figure 17 and Figure 18As shown, a first limiting plate 242 and a second limiting plate 243 are provided on both sides of the blade limiting plate 24, and the first limiting plate 242 and the second limiting plate 243 on the same side are located in the same movable gap; a first limiting block 221 and a second limiting block 222 are provided on both side end faces of the pressing part 22; the first limiting plate 242 is located between the first limiting block 221 and the second limiting block 222 on the corresponding side end face of the pressing part 22; the end of the first limiting block 221 facing the second limiting block 222 is the first inner end face 221A, and the end of the second limiting block 222 facing the first limiting block 221 is the second inner end face 221A. 2A, the two ends of the first limiting plate 242 are respectively attached to the first inner end face 221A and the second inner end face 222A; the end of the second limiting block 222 facing away from the second inner end face 222A is the second outer end face 222B, the second limiting plate 243 is located on one side of the second outer end face 222B, and the end of the second limiting block 222 facing the second limiting block 222 is attached to the second outer end face 222B; the first limiting plate 242 and the second limiting plate 243 are limited in the axial direction by the first limiting block 221 and the second limiting block 222, so as to limit the blade limiting plate 24 in the axial direction.

[0053] In this embodiment, as Figure 17 and Figure 18 As shown, the first limiting plate 242 and the second limiting plate 243 form an angle with the blade limiting plate 24, the angle being 90 degrees, such that the first limiting plate 242 and the second limiting plate 243 face the side end face of the pressing part 22, which is the side end face of the pressing part 22 facing the movable gap. The height of the first limiting block 221 and the second limiting block 222 is greater than or equal to the thickness of the first limiting plate 242 and the second limiting plate 243, and the length of the first limiting plate 242 is less than or equal to the distance between the first limiting block 221 and the second limiting block 222; the first limiting plate 242 restricts the axial position through the first limiting block 221 and the second limiting block 222, and the second limiting plate 243 restricts the axial position through the second limiting block 222.

[0054] It is worth mentioning that, in this embodiment, the blade limiting plate 24 can be made entirely of elastic metal, and the first limiting plate 242 and the second limiting plate 243 are rigidly connected to the blade limiting plate 24 to ensure that the angle between the first limiting plate 242 and the second limiting plate 243 and the blade limiting plate 24 remains unchanged. In this case, when the blade limiting plate 24 is not compressed, the first limiting plate 242 and the second limiting plate 243 are parallel to the side end faces of the pressing part 22. When the two pressing parts 22 are pressed, the middle position of the blade limiting plate 24 is pressed inward by the pressing part 22. Due to the extension of the two sides of the blade limiting plate 24, the first limiting plate 242 and the second limiting plate 243 on both sides of the blade limiting plate 24 are compressed. 2. The second limiting plate 243 forms a certain angle with the side end face of the pressing part 22. A certain space appears between the first limiting plate 242 and the second limiting plate 243 and the side end face of the pressing part 22. This space and the elastic restoring force of the elastic metal of the blade limiting plate 24 itself cause the blade limiting plate 24 to return to its original state when it is not squeezed inward. This means that the distance between the outer wall of the blade limiting plate 24 and the inner wall of the pressing part 22 is restored to the maximum distance, and the sub-blade part 231 completely returns to the space between the outer wall of the blade limiting plate 24 and the inner wall of the pressing part 22. Under the above structural design, there is no need to set the elastic element 25 on the inner wall of the pressing part 22. The same effect of the blade limiting plate 24 returning to its original state after being squeezed can be achieved.

[0055] Furthermore, in addition to limiting the blade limiting plate 24 in the axial direction, it is also necessary to avoid excessive separation between the blade limiting plate 24 and the pressing part 22. At the same time, considering that the blade limiting plate 24 and the pressing part 22 still need to be able to move relative to each other within a preset limiting distance to satisfy the limitation of the blade limiting plate 24 on the extension length of the blade part 23 on the pressing part 22, this embodiment also involves the following design.

[0056] like Figure 19 As shown, a first limiting groove 221B is provided on the first inner end face 221A, and the length of the first limiting groove 221B is greater than or equal to the preset limiting distance; a limiting slide 244 is provided on one end of the first limiting plate 242 facing the first limiting block 221, and the limiting slide 244 is located in the first limiting groove 221B; the limiting slide 244 is limited by the first limiting groove 221B to limit the first limiting plate 242.

[0057] In this embodiment, as Figure 19 As shown, Figure 19 This is a cross-sectional view of the blade limiting plate 24. Figure 19 The shaded area on the first limiting block 221 represents the first limiting slide 221B, and the limiting stage 232 is also distinguished by the shaded area. Figure 19 The arrow direction indicates the movement direction of the blade limiting plate 24. Since a limiting stage 232 is already provided on the blade part 23 to accurately control the maximum extension distance of the sub-blade part 231 relative to the blade limiting plate 24, and considering that in actual foreskin cutting, in addition to the limitation on the maximum cutting depth, there are also requirements for the minimum cutting depth, if the extension length of the sub-blade part 231 relative to the blade limiting plate 24 is too short, it will also fail to meet the surgical requirements. Therefore, if the length of the first limiting groove 221B is set too short, the extension length of the sub-blade part 231 relative to the blade limiting plate 24 will be too short, which may not meet the minimum cutting depth requirement. Therefore, in this embodiment, the length of the first limiting groove 221B is greater than or equal to the preset limiting distance. Figure 19 Taking a perspective example, when the limiting slide 244 is located on the rightmost side face of the first limiting slide groove 221B, the sub-blade part 231 is completely located between the blade limiting plate 24 and the pressing part 22, and the sub-blade part 231 does not extend relative to the blade limiting plate 24. When the blade limiting plate 24 and the limiting platform 232 are in contact, the limiting slide 244 is in a position that has not yet been in contact with the leftmost side face, or is just in contact with the leftmost side face, that is... Figure 19 The position of the middle limiting slide 244, which is shown by the dotted line, is designed so that the first limiting slide groove 221B can limit the first limiting plate 242 without interfering with the extension distance of the sub-blade part 231 relative to the blade limiting plate 24.

[0058] Furthermore, such as Figure 17 and Figure 18 As shown, the widths of the first limiting plate 242 and the second limiting plate 243 are the same, and both are smaller than the width of the side end face of the pressing part 22. When the blade limiting plate 24 and the limiting platform 232 are in contact, the outer end faces of the first limiting plate 242 and the second limiting plate 243 are both located within the outer edge of the side end face of the pressing part 22. This is to prevent the outer end faces of the first limiting plate 242 and the second limiting plate 243 from protruding from the outer edge of the side end face of the pressing part 22 when the blade limiting plate 24 and the limiting platform 232 are in contact, which would cause the outer end faces of the first limiting plate 242 and the second limiting plate 243 to protrude from the side end face of the pressing part 22 and prick the palm when the pressing part 22 is actually pressed by the palm.

[0059] It should be noted that a corresponding sliding groove can also be provided on the outer end face of the second limiting block 222, and a corresponding sliding platform can also be provided on the end face of the second limiting plate 243 corresponding to the second limiting block 222, so as to slide in the sliding groove. The design of the sliding groove can be the same as the first limiting sliding groove 221B mentioned above, and the design of the sliding platform can be the same as the limiting sliding platform 244 mentioned above, so as to strengthen the limiting effect on the blade limiting plate 24 and avoid interfering with the extension distance of the sub-blade part 231 relative to the blade limiting plate 24.

[0060] Furthermore, in this embodiment, the positioning member 11 needs to position the glans penis and also needs to support the stretched foreskin, providing a bearing surface for the cutting of the foreskin. Therefore, this embodiment also involves the following design.

[0061] like Figure 20 and Figure 21 As shown, the positioning member 11 includes a positioning groove 111 and an anvil portion 112, wherein: the positioning groove 111 and the anvil portion 112 are connected; the positioning groove 111 is located at the outer end of the positioning member 11 and is used to accommodate the positioning glans; the anvil portion 112 is cylindrical, all the pressing portions 22 surround the periphery of the anvil portion 112, and a preset gap is reserved between the pressing portions 22 and the periphery of the anvil portion 112; the anvil portion 112 extends axially from the location of one blade portion 23 on the pressing portion 22 to the location of the other blade portion 23; when cutting the stretched foreskin, the anvil portion 112 is used to fit and support the inner surface of the stretched foreskin.

[0062] In this embodiment, the cross-sectional diameter of the positioning groove 111 and the anvil portion 112 is larger than the cross-sectional diameter of other parts on the positioning member 11. The inner surface of the positioning groove 111 is made of soft material to protect the glans penis. The foreskin around the glans penis is stretched, and the foreskin passes over the periphery of the positioning groove 111 and the periphery of the anvil portion 112, and is fixed below the positioning member 11. Since the cross-sectional diameter of the positioning groove 111 and the anvil portion 112 is relatively large, the foreskin attached to the anvil portion 112 will be supported and unfolded, which is convenient for subsequent cutting.

[0063] Furthermore, in this embodiment, considering the actual application scenario, it is necessary to first position the glans penis at the outer end of the positioning member 11 for positioning, and then stretch the foreskin around the glans penis along the axial direction and pass over the positioning member 11 before fixing it on the central shaft assembly 1. Then, the circumferential cutting sleeve 2 is inserted from the other end of the central shaft assembly 1, so that the blade part 23 moves to the designated position around the anvil part 112 to accurately cut the foreskin at the corresponding position. Therefore, it is necessary to precisely control the position of the circumferential cutting sleeve 2 on the central shaft assembly 1. Thus, this embodiment also involves the following design: Figures 22-24As shown, the sleeve-type circumcision device further includes a transition piece 3 and an adjusting piece 4, wherein: the adjusting piece 4 is disposed on the other end of the central shaft assembly 1, the transition piece 3 is located between the adjusting piece 4 and the circumcision sleeve 2, and the transition piece 3 is sleeved around the central shaft assembly 1. An adjusting thread 12 is provided on the other end of the central shaft assembly 1, and an adjusting screw hole 41 is provided at the central shaft position of the adjusting piece 4. The other end of the central shaft assembly 1 is located in the adjusting screw hole 41, and the adjusting thread 12 on the other end of the central shaft assembly 1 and the adjusting screw hole 41 are threadedly engaged.

[0064] like Figures 22-24 As shown, by rotating the adjusting member 4 to adjust the threaded fit between the adjusting member 4 and the central shaft assembly 1 in the axial direction, the axial position of the transition member 3 and the circumferential sleeve 2 relative to the central shaft assembly 1 is adjusted, so as to position the blade portion 23 on the central shaft assembly 1 in an accurate position.

[0065] In this embodiment, the other end of the central axis assembly 1 refers to the end of the central axis assembly 1 that is opposite in position to the positioning member 11. The transition member 3 is hollow columnar.

[0066] In this embodiment, based on the above structural design, as follows: Figure 22 As shown, the actual application steps are as follows: Position the glans penis at the outer end of the positioning member 11, stretch the foreskin around the glans penis along the axial direction and pass it over the positioning member 11 before fixing it to the central shaft assembly 1. Insert the circumferential sleeve 2 from the other end of the central shaft assembly 1, then insert the transition member 3 from the other end of the central shaft assembly 1. Fit the adjusting screw hole 41 of the adjusting member 4 onto the other end of the central shaft assembly 1 with a threaded connection. By rotating the adjusting member 4, accurately control its axial movement on the central shaft assembly 1, thereby synchronously pushing the transition member 3 and the circumferential sleeve 2 to change their axial positions on the central shaft assembly 1 until the blade part 23 reaches the designated accurate position, completing the positioning. Figure 22 The arrows in the diagram indicate the rotation direction of the adjusting member 4 and the direction in which the adjusting member 4 pushes the transition member 3 and the circumferential sleeve 2 to move.

[0067] In this embodiment, both ends of the transition member 3 are provided with abutment platforms, which are used to abut against the circumferential sleeve 2 and the adjusting member 4 respectively, thereby improving the stability during actual adjustment.

[0068] Example 2: This embodiment, based on Embodiment 1, provides a method for using a sleeve-type circumcision device, for application to the aforementioned sleeve-type circumcision device, such as... Figure 25 As shown, the method flow includes the following.

[0069] In step 101, the glans penis is positioned at the outer end of the positioning member 11.

[0070] In step 102, the foreskin around the glans is stretched along the axial direction and passed over the positioning piece 11 before being fixed to the central axis assembly 1.

[0071] In step 103, the circumferential sleeve 2 is inserted from the other end of the central shaft assembly 1, and the pressing part 22 is positioned on the periphery of the positioning member 11.

[0072] In step 104, the pressing part 22 is pressed inward, and at the same time the circumferential cutting sleeve 2 is rotated around the central axis assembly 1 so that the blade part 23 rotates and cuts the stretched foreskin.

[0073] When the pressing part 22 is actually pressed, the blade limiting plate 24 will first adhere to the foreskin on the periphery of the anvil part 112, and the sub-blade part 231 will pass through the corresponding through groove 241 on the blade limiting plate 24 and cut into the foreskin until the sub-blade part 231 extends out of the blade limiting plate 24 by a preset limiting distance. While keeping the pressing part 22 pressed, the circumferential cutting sleeve 2 will rotate around the central axis assembly 1 to complete the rotational cutting of the foreskin on the periphery of the anvil part 112.

[0074] Furthermore, in this embodiment, the axial positioning of the pressing part 22 on the positioning member 11 requires a relatively precise method. Therefore, this embodiment also involves the following design: The pressing part 22 is positioned to the circumferential position of the positioning member 11. The sleeve-type circumcision device further includes a transition member 3 and an adjusting member 4, wherein: the adjusting member 4 is threadedly engaged with the other end of the central shaft assembly 1; the transition member 3 is located between the adjusting member 4 and the circumcision sleeve 2; and the transition member 3 is fitted around the central shaft assembly 1. Figure 26 As shown, the method flow includes the following.

[0075] In step 201, after the circumferential sleeve 2 is inserted from the end of the central shaft assembly 1 facing away from the positioning member 11, the transition member 3 is then inserted from the end of the central shaft assembly 1 facing away from the positioning member 11.

[0076] In step 202, the adjusting member 4 and the end of the central shaft assembly 1 facing away from the positioning member 11 are threaded together. The adjusting member 4 is rotated to adjust the axial position of the adjusting member 4 relative to the central shaft assembly 1. In this way, the adjusting member 4 pushes the adjusting transition member 3 and the circumferential sleeve 2 relative to the central shaft assembly 1 to position the blade part 23 on the central shaft assembly 1 in an accurate position.

[0077] Position the glans penis at the outer end of the positioning member 11, and stretch the foreskin around the glans penis along the axial direction and pass over the positioning member 11 before fixing it on the central shaft assembly 1. Slide the circumferential sleeve 2 onto the other end of the central shaft assembly 1, and then slide the transition member 3 onto the other end of the central shaft assembly 1 in the same way. Screw the adjusting screw hole 41 of the adjusting member 4 onto the other end of the central shaft assembly 1 for thread engagement. By rotating the adjusting member 4, accurately control the axial movement of the adjusting member 4 on the central shaft assembly 1, thereby synchronously pushing the transition member 3 and the circumferential sleeve 2 to change the axial position of the transition member 3 and the circumferential sleeve 2 on the central shaft assembly 1 until the blade part 23 reaches the designated accurate position, thus completing the positioning.

[0078] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A sleeve-type circumcision device, characterized in that, include: The central shaft assembly (1) and the circumferential sleeve (2) are as follows: The circumferential sleeve (2) includes a base portion (21) and at least two pressing portions (22). All the pressing portions (22) are arranged around the periphery of one end of the base portion (21). An movable gap is reserved between adjacent pressing portions (22). Two blade portions (23) are provided inside the pressing portion (22). Different blade portions (23) are located at different axial positions inside the pressing portion (22). Each pressing portion (22) is elastically coupled with a blade limiting plate (24) inside. One end of the central shaft assembly (1) is a positioning element (11), the circumferential sleeve (2) is movably sleeved at the position of the positioning element (11), all the pressing parts (22) surround the periphery of the positioning element (11), and a preset gap is reserved between the pressing part (22) and the periphery of the positioning element (11); The outer end of the positioning member (11) is used to accommodate the positioning glans, and the preset gap is used to avoid the foreskin that is stretched around the glans. The stretched foreskin passes through the positioning member (11) along the axial direction within the preset gap and is then fixed. The circumferential sleeve (2) is used to rotate around the central shaft assembly (1), while the pressing part (22) is used to be pressed inward so that the blade part (23) rotates and cuts the stretched foreskin to make a cut of a preset depth; wherein, the blade limiting plate (24) is used to fit against the outer surface of the stretched foreskin and limit the extension distance of the blade part (23) relative to the blade limiting plate (24) to be less than or equal to the preset limiting distance.

2. The sleeve-type circumcision device according to claim 1, characterized in that, Each of the blade sections (23) includes multiple sub-blade sections (231) and a limiting stage (232), with a preset distance between adjacent sub-blade sections (231); The blade limiting plate (24) is provided with a plurality of through slots (241) at the axial positions corresponding to the corresponding blade part (23), and each through slot (241) corresponds to the position of the corresponding sub-blade part (231); The limiting platform (232) is located at both ends of the blade part (23). The extension length a of the limiting platform (232) relative to the inner wall of the pressing part (22) is less than the extension length b of the sub-blade part (231) relative to the inner wall of the pressing part (22). The difference between the extension length b and the extension length a is the preset limiting distance. When the pressing part (22) is pressed to cut the stretched foreskin, the blade limiting plate (24) is used to fit against the outer surface of the stretched foreskin. The sub-blade part (231) extends out from the corresponding through groove (241), and when it extends a preset limiting distance, the blade limiting plate (24) abuts against the end face of the limiting platform (232) to prevent the sub-blade part (231) from continuing to extend out from the corresponding through groove (241), so as to limit the cutting depth of the blade part (23) on the stretched foreskin.

3. The sleeve-type circumcision device according to claim 2, characterized in that, The blade limiting plate (24) is provided with a first limiting plate (242) and a second limiting plate (243) on both sides, and the first limiting plate (242) and the second limiting plate (243) on the same side are located in the same movable gap; A first limiting block (221) and a second limiting block (222) are provided on the side end faces of both sides of the pressing part (22). The first limiting plate (242) is located between the first limiting block (221) and the second limiting block (222) on the corresponding side end face of the pressing part (22); The end of the first limiting block (221) facing the second limiting block (222) is the first inner end face (221A), and the end of the second limiting block (222) facing the first limiting block (221) is the second inner end face (222A). The two ends of the first limiting plate (242) are respectively attached to the first inner end face (221A) and the second inner end face (222A). The end of the second limiting block (222) facing away from the second inner end face (222A) is the second outer end face (222B). The second limiting plate (243) is located on one side of the second outer end face (222B). The end of the second limiting block (222) facing the second limiting block (222) is in contact with the second outer end face (222B). The first limiting block (221) and the second limiting block (222) limit the first limiting plate (242) and the second limiting plate (243) in the axial direction, so as to limit the blade limiting plate (24) in the axial direction.

4. The sleeve-type circumcision device according to claim 3, characterized in that, A first limiting groove (221B) is provided on the first inner end face (221A), and the length of the first limiting groove (221B) is greater than or equal to the preset limiting distance; A limiting slide (244) is provided on one end of the first limiting plate (242) facing the first limiting block (221), and the limiting slide (244) is located in the first limiting groove (221B); the limiting slide (244) is limited by the first limiting groove (221B) to limit the first limiting plate (242).

5. The sleeve-type circumcision device according to claim 1, characterized in that, Multiple elastic elements (25) are provided on the inner wall of the pressing part (22). All the elastic elements (25) are located between the pressing part (22) and the blade limiting plate (24). The elastic elements (25) are used to realize the elastic coupling between the pressing part (22) and the blade limiting plate (24).

6. The sleeve-type circumcision device according to claim 1, characterized in that, The positioning element (11) includes a positioning groove (111) and a cutting board portion (112), wherein: The positioning groove (111) and the anvil part (112) are connected; The positioning groove (111) is located at the outer end of the positioning member (11), and the positioning groove (111) is used to accommodate the positioning glans. The anvil portion (112) is cylindrical, and all the pressing portions (22) surround the periphery of the anvil portion (112). A preset gap is reserved between the pressing portions (22) and the periphery of the anvil portion (112). The anvil portion (112) extends axially from the location of one of the blade portions (23) on the pressing portion (22) to the location of the other blade portion (23). When the stretched foreskin is cut, the anvil portion (112) is used to fit and support the inner surface of the stretched foreskin.

7. The sleeve-type circumcision device according to claim 1, characterized in that, The sleeve-type circumcision device further includes a transition piece (3) and an adjusting piece (4), wherein: The adjusting member (4) is disposed on the other end of the central shaft assembly (1), the transition member (3) is located between the adjusting member (4) and the annular sleeve (2), and the transition member (3) is sleeved around the central shaft assembly (1).

8. The sleeve-type circumcision device according to claim 7, characterized in that, An adjusting thread (12) is provided on the other end of the central shaft assembly (1), and an adjusting screw hole (41) is provided on the central shaft position of the adjusting component (4). The other end of the central shaft assembly (1) is located in the adjusting screw hole (41), and the adjusting thread (12) on the other end of the central shaft assembly (1) and the adjusting screw hole (41) are threadedly engaged. By rotating the adjusting member (4) to adjust the threaded fit between the adjusting member (4) and the central shaft assembly (1) in the axial direction, the axial position of the transition member (3) and the circumferential sleeve (2) relative to the central shaft assembly (1) is adjusted, so as to position the blade portion (23) on the central shaft assembly (1) in the accurate position.

9. A method of using a sleeve-type circumcision device, for application to the sleeve-type circumcision device as described in any one of claims 1-8, characterized in that, include: Position the glans penis at the outer end of the positioning member (11); The foreskin around the glans is stretched along the axial direction and passed over the positioning piece (11) before being fixed on the central axis assembly (1); Insert the circumferential sleeve (2) from the other end of the central shaft assembly (1) and position the pressing part (22) to the circumferential position of the positioning member (11); Press the pressing part (22) inward while rotating the circumferential sleeve (2) around the central axis assembly (1) so that the blade part (23) rotates and cuts the stretched foreskin.

10. The method of using the sleeve-type circumcision device according to claim 9, characterized in that, Positioning the pressing part (22) to the periphery of the positioning member (11) specifically includes: The sleeve-type circumcision device also includes a transition piece (3) and an adjustment piece (4); After inserting the circumferential sleeve (2) into the central shaft assembly (1) from the end facing away from the positioning member (11), insert the transition member (3) into the central shaft assembly (1) from the end facing away from the positioning member (11); The adjusting member (4) and the end of the central shaft assembly (1) facing away from the positioning member (11) are threaded together. The adjusting member (4) is rotated to adjust the axial position of the adjusting member (4) relative to the central shaft assembly (1). The adjusting member (4) pushes the adjusting transition member (3) and the ring cutting sleeve (2) relative to the central shaft assembly (1) to position the blade part (23) on the central shaft assembly (1) in an accurate position.

Images