Disclosure of Invention
In view of the foregoing drawbacks or shortcomings of the prior art, the present invention provides a locking wire device for annulus repair and an annulus repair system.
To achieve the above object, the present invention provides a sewing thread device for repairing an annulus, comprising:
The first supporting structure is fixedly connected with the nailing device;
The rotating structure axially penetrates through the first supporting structure and is movably connected with the first supporting structure, and one end of the locking wire is fixedly connected to the side wall of the rotating structure;
The first limiting structure radially penetrates through the rotating structure, has elasticity and partially stretches out of the side wall of the rotating structure;
the second limiting structure is arranged on the axial side wall of the first supporting structure, and protrudes or is sunken on the arrangement surface;
When the rotating structure is in an initial state, the first limiting structure and the second limiting structure are respectively positioned at two sides of the first supporting structure, and the rotating structure is used for rotating relative to the first supporting structure so as to enable the locking wire to be wound on the rotating structure;
When the first limiting structure and the second limiting structure are positioned on the same side, the first limiting structure and the second limiting structure are used for limiting the rotation of the rotating structure.
Preferably, a first through hole penetrating axially is arranged on the first supporting structure, the first through hole is used for inserting the rotating structure, and the diameter of the first through hole is equal to that of the rotating structure;
The first limiting structure comprises a first limiting part and a second limiting part, the first limiting part is connected with the second limiting part at an angle, and the distance between the first limiting part and the second limiting part, which are far away from one end, is larger than the diameter of the first through hole;
When the first limiting structure enters the first through hole, the first limiting part and the second limiting part are extruded by the first through hole to shrink into the rotating structure, and when the first limiting structure moves out of the first through hole, the first limiting part and the second limiting part stretch and butt against the axial side wall of the first supporting structure.
Preferably, the second limiting structures protrude from the setting surface, and the second limiting structures are provided with a plurality of second limiting structures and are circumferentially arranged at intervals along the side wall of the first supporting structure, and when the first limiting structures extend out of the first through holes, the first limiting parts and the second limiting parts extend and are located between the two second limiting structures;
the first support structure axial side wall is used for limiting the first limit structure to axially move reversely, and the second limit structure is used for limiting the first limit structure to circumferentially rotate.
Preferably, a first slot and a second slot which penetrate radially are arranged on the rotating structure, the first slot and the second slot are arranged vertically to each other, the first slot is used for inserting the first limiting structure, and the second slot is used for inserting the first pin column;
When the first pin is inserted into the second slot, the first pin is clamped between the first limiting portion and the second limiting portion, and the first pin is used for preventing the first limiting structure from moving out of the first slot.
Preferably, the second limiting structure comprises a first side wall and a second side wall, the first side wall is perpendicular to the first supporting structure axial side wall, and the second side wall is connected with the first supporting structure axial side wall at an angle;
Along the direction of rotation of the rotating structure, the second side wall is arranged upstream of the first side wall, the second side wall gradually inclines away from the first supporting structure, and the first side wall is used for limiting the rotating structure to reversely rotate.
Preferably, a protruding third limiting structure is arranged on the rotating structure, and the third limiting structure is arranged on one side, close to the first supporting structure, of the first limiting structure;
the third limiting structure is used for being in circumferential limiting connection with the wire locker spring tube so that the wire locker spring tube can control the rotating structure to rotate.
Preferably, a fourth limiting structure is arranged on the rotating structure, the rotating structure axially penetrates through the fourth limiting structure, and the fourth limiting structure is in interference fit with the side wall of the rotating structure;
the fourth limit structure is arranged on one side, far away from the first support structure, of the first limit structure, and the fourth limit structure is used for preventing the rotating structure from sliding out of the first support structure.
Preferably, the third limiting structures are arranged in a plurality and uniformly spaced along the circumferential side wall of the rotating structure, and when the end part of the wire locker spring tube is inserted between the two third limiting structures, the rotating structure and the wire locker spring tube are circumferentially limited.
Preferably, the nailing device further comprises a second supporting structure, the second supporting structure is fixedly connected with the nailing device, the rotating structure axially penetrates through the second supporting structure, and the second supporting structure is used for limiting the rotating structure to move in a direction away from the first supporting structure;
when the rotary structure is in an initial state, the first limiting structure and the fourth limiting structure are positioned between the first supporting structure and the second supporting structure, and the locking line is fixedly connected to the rotary structure between the fourth limiting structure and the second supporting structure.
In order to achieve the above object, the present invention further provides an annuloplasty system, comprising a wire locking device for annuloplasty as described above, a nailing device, a locking wire, a guiding steel cable and a wire locking device spring tube;
The guide steel cable is detachably connected with one axial end of the rotating structure, the guide steel cable is arranged in the wire locker spring tube, and the wire locker spring tube is in circumferential limit connection with the rotating structure;
The nailing device is provided with a plurality of nailing devices and nails the annular tissues in sequence, the locking wire device is arranged on the nailing device at the two ends of the nailing devices, the locking wire is sequentially connected with the nailing devices in series, and the two ends of the locking wire are correspondingly and fixedly connected to the two rotating structures;
The annular repair system is used for synchronously controlling the rotation of the two wire locking device spring tubes so as to simultaneously tighten the two ends of the locking wire to enable the nailing devices to be close to each other.
Based on the above, the invention has the beneficial effects that:
according to the scheme, the rotary structure is fixedly connected with the nailing devices through the first supporting structure, when the rotary structure rotates, the locking wire can be pulled and wound on the rotary structure, and the problem of unstable locking caused by the fact that the two nailing devices are not collinear with the wire locking device when the nailing devices at two ends are tensioned from the middle in the traditional technology is solved by tensioning one of the two nailing devices to the other nailing device;
Simultaneously when the rotating structure rotates in place, through controlling the axial movement of the rotating structure, the first limiting structure is abutted with the second limiting structure, and then locking of the rotating structure is achieved, locking of the locking wire is completed, the whole operation is simple, the locking structure is firm, and the loosening of the locking wire is effectively avoided.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The terminology used in the embodiments of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this embodiment of the application, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be understood that although the terms first, second, third, etc. may be used in embodiments of the present application to describe related structures, these related structures should not be limited by these terms. These terms are only used to distinguish one element from another.
Depending on the context of the user, the word "if" as used herein may be interpreted the method is "in the environment. Or" when. Similarly, the phrase "if determined" may be interpreted as "when determined" or "when detected (stated condition or event), depending on the context.
It should be noted that, the terms "upper", "lower", "left", "right", and the like in the embodiments of the present application are described in terms of the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in the context, it will also be understood that when an element is referred to as being formed "on" or "under" another element, it can be directly formed "on" or "under" the other element or be indirectly formed "on" or "under" the other element through intervening elements.
Fig. 1 schematically illustrates a structure of a sewing machine according to an embodiment of the present invention, fig. 2 schematically illustrates a structure of a rotating structure according to an embodiment of the present invention, and fig. 3 schematically illustrates a structure of a first limiting structure according to an embodiment of the present invention, as shown in fig. 1 to 3, a sewing machine for repairing an annulus according to the present invention includes:
a first support structure 10 fixedly connected to the nailing device 60;
The rotating structure 20 axially penetrates through the first supporting structure 10 and is movably connected with the first supporting structure 10, and one end of the locking wire 70 is fixedly connected to the side wall of the rotating structure 20;
the first limiting structure 30 radially penetrates through the rotating structure 20, and the first limiting structure 30 has elasticity and partially extends out of the side wall of the rotating structure 20;
The second limiting structure 40 is arranged on the axial side wall of the first supporting structure 10, and the second limiting structure 40 protrudes or is recessed on the arrangement surface;
When the rotating structure 20 is in the initial state, the first limiting structure 30 and the second limiting structure 40 are respectively located at two sides of the first supporting structure 10, and the rotating structure 20 is used for rotating relative to the first supporting structure 10 so as to enable the locking wire 70 to be wound on the rotating structure;
When the first limiting structure 30 and the second limiting structure 40 are located at the same side, the first limiting structure 30 and the second limiting structure 40 are used for limiting the rotation of the rotating structure 20.
Specifically, the rotating structure 20 is supported by the first supporting structure 10 on the nailing device 60, so that when the rotating structure 20 rotates to pull the locking wire 70, one of the two nailing devices 60 pulls the other nailing device, the problem that the nailing device 60, the wire locking device and the nailing device 60 are not collinear due to the skew of the wire locking device, and the problem of incomplete tensioning due to the skew of the wire locking device and the nailing device 60 in the prior art are avoided, and the annular repairing effect is improved.
And when the locking wire 70 is pulled in place, through the axial movement rotating structure 20, the first limit structure 30 enters into the same side with the second limit structure 40, so that the first limit structure 30 is abutted with the second limit structure 40, the circumferential limit is realized, the rotating structure 20 is prevented from rotating reversely, the locking wire 70 is effectively prevented from being loosened after operation, and the annular repair effect is improved.
Further, as shown in fig. 2 and 3, a first through hole 101 penetrating axially is provided on the first support structure 10, the first through hole 101 is used for inserting the rotating structure 20, and the diameter of the first through hole 101 is equal to the diameter of the rotating structure 20;
The first limiting structure 30 comprises a first limiting part 301 and a second limiting part 302, the first limiting part 301 and the second limiting part 302 are connected at an angle, and the distance between the far ends of the first limiting part 301 and the second limiting part 302 is larger than the diameter of the first through hole 101;
when the first limiting structure 30 enters the first through hole 101, the first limiting portion 301 and the second limiting portion 302 are extruded by the first through hole 101 to shrink into the rotating structure 20, and when the first limiting structure 30 moves out of the first through hole 101, the first limiting portion 301 and the second limiting portion 302 stretch and abut against the axial side wall of the first supporting structure 10.
Specifically, the first limiting structure 30 may be configured as a cone, such that one ends of the first limiting portion 301 and the second limiting portion 302 are connected at an angle, and the other ends are far away from each other, and when the first limiting structure 30 is inserted into the rotating structure 20, the far away ends of the first limiting portion 301 and the second limiting portion 302 are respectively extended from two sides of the rotating structure 20.
When the rotating structure 20 moves axially in a direction approaching the first supporting structure 10, one end of the first limiting portion 301 and one end of the second limiting portion 302, which are far away from each other, are pressed by the first through hole 101, move close to each other, shrink into the rotating structure 20, and enter the first through hole 101, when the rotating structure 20 moves axially further, one end of the first limiting portion 301 and one end of the second limiting portion 302, which are far away from each other, extend out of the first through hole 101, the first limiting portion 301 and the second limiting portion 302 stretch and reset under the action of elastic force, and then the side wall of the first limiting portion 301 and the second limiting portion 302, which faces the first supporting structure 10, are abutted against the first supporting structure 10, and further the rotating structure 20 is prevented from moving axially in the reverse direction.
Meanwhile, the second limiting structures 40 protrude from the setting surface, the second limiting structures 40 are arranged in a plurality and circumferentially spaced along the side wall of the first supporting structure 10, and when the first limiting structure 30 extends out of the first through hole 101, the first limiting portion 301 and the second limiting portion 302 extend and are located between the two second limiting structures 40.
In this way, the axial side wall of the first supporting structure 10 can be abutted with the first limiting structure 30, so that the first limiting structure 30 is limited to move reversely and axially, the rotating structure 20 is limited to move reversely and axially, the first limiting structure 30 extends out of the first through hole 101 and then is positioned between the two second limiting structures 40, the second limiting structure 40 limits the circumferential rotation of the first limiting structure 30, so that the circumferential rotation of the rotating structure 20 is limited, and the locking of the rotating structure 20 is realized.
Further, as shown in fig. 2, a first slot 201 and a second slot 202 are radially penetrating through the rotating structure 20, the first slot 201 and the second slot 202 are mutually perpendicular, the first slot 201 is used for inserting the first limiting structure 30, and the second slot 202 is used for inserting the first pin 203;
when the first pin 203 is inserted into the second slot, the first pin 203 is clamped between the first limiting portion 301 and the second limiting portion 302, and the first pin 203 is used for preventing the first limiting structure 30 from moving out of the first slot 201.
Specifically, the arc grooves 303 may be disposed on the side walls of the first limiting portion 301 and the second limiting portion 302 facing each other, and when the first pin 203 is clamped between the first limiting portion 301 and the second limiting portion 302, the first pin 203 is inserted into the two arc grooves 303, so that the arc grooves 303 limit the forward and reverse axial movement of the first limiting structure 30 in the first slot 201, and prevent the first limiting structure 30 from moving out of the first slot, so that the circumferential limitation and the axial limitation of the rotating structure 20 are synchronously performed when the first limiting structure 30 is circumferentially and axially limited.
Further, fig. 4 schematically illustrates a structural diagram of a first support structure according to an embodiment of the present invention, as shown in fig. 4:
The second limit structure 40 comprises a first side wall 401 and a second side wall 402, the first side wall 401 is perpendicular to the axial side wall of the first support structure 10, and the second side wall 402 is connected with the axial side wall of the first support structure 10 at an angle;
The second side wall 402 is disposed upstream of the first side wall 401 in the rotation direction of the rotation structure 20, the second side wall 402 being gradually inclined in a direction away from the first support structure 10, the first side wall 401 being for restricting the rotation structure 20 from rotating reversely.
Specifically, after the first limiting structure 30 extends out of the first through hole 101, the first limiting portion 301 and the second limiting portion 302 are located between the sidewalls of the two second limiting structures 40, specifically, between the second sidewall 402 of one of the second limiting structures 40 and the first sidewall 401 of the other second limiting structure 40.
The first side wall 401 is perpendicular to the first supporting structure 10, so that when the rotating structure 20 reversely rotates, the first side wall 401 can limit the rotating structure, and the second side wall 402 is connected with the first supporting structure 10 at an angle, so that when the first limiting structure 30 is positioned between the second limiting structures 40, the locking wire 70 is found not to be completely locked, a doctor can control the rotating structure 20 to further rotate, further tension the locking wire 70 and reserve an adjustable space.
Further, as shown in fig. 2, a protruding third limiting structure 204 is disposed on the rotating structure 20, and the third limiting structure 204 is disposed on one side of the first limiting structure 30 near the first supporting structure 10;
The third limiting structure 204 is configured to be in limiting connection with the wire taker spring tube 90 in a circumferential direction, such that the wire taker spring tube 90 controls the rotation of the rotating structure 20.
Specifically, the third limiting structures 204 are disposed in a plurality and uniformly spaced along the circumferential side wall of the rotating structure 20, and when the wire locker spring tube 90 is inserted between the two third limiting structures 204, the rotating structure 20 and the wire locker spring tube 90 are circumferentially limited, so that the rotating structure 20 can be controlled by rotating the wire locker spring tube 90, and the winding and tensioning of the locking wire 70 can be realized.
Further, a fourth limiting structure 205 is arranged on the rotating structure 20, the rotating structure 20 penetrates through the fourth limiting structure 205, and the fourth limiting structure 205 is in interference fit with the side wall of the rotating structure 20;
The fourth limiting structure 205 is disposed on a side of the first limiting structure 30 away from the first supporting structure 10, so that when the rotating structure 20 moves axially in a direction close to the first supporting structure 10, the fourth limiting structure 205 can prevent the rotating structure 20 from sliding out of the first supporting structure 10.
Further, the sewing thread device for repairing an annulus of the present invention further comprises a second supporting structure 50, wherein the second supporting structure 50 is fixedly connected with the nailing device 60, the rotating structure 20 axially penetrates through the second supporting structure 50, and the second supporting structure 50 is used for limiting the rotating structure 20 to move in a direction away from the first supporting structure 10;
In the initial state of the rotating structure 20, the first limiting structure 30 and the fourth limiting structure 205 are located between the first supporting structure 10 and the second supporting structure 50, the locking wire 70 is fixedly connected to the rotating structure 20 between the fourth limiting structure 205 and the second supporting structure 50,
Specifically, the rotary structure 20 has two rods with different diameters, the two rods are fixedly connected to each other, and one of the rods has a diameter larger than that of the other rod, the first support structure 10 is used for inserting the rod with a larger diameter, the second support structure 50 is used for inserting the rod with a smaller diameter, and the second support structure 50 can be abutted with the rod with a larger diameter to limit the axial movement of the rotary structure 20.
Further, fig. 5 schematically illustrates a structural diagram of an annuloplasty system according to an embodiment of the present invention, as shown in fig. 5:
To achieve the above object, the present invention further provides an annuloplasty system, comprising one of the above-mentioned locking wire device for annuloplasty, further comprising a nailing device 60, a locking wire 70, a guiding steel cable 80 and a wire locker spring tube 90;
The guide steel cable 80 is detachably connected with one axial end of the rotating structure 20, the guide steel cable 80 is arranged in the wire locker spring tube 90, and the wire locker spring tube 90 is in circumferential limit connection with the rotating structure 20;
the nailing device 60 is provided with a plurality of nailing devices which are sequentially nailed into the annular tissues, the thread locking device is arranged on the nailing device 60 at the two ends of the plurality of nailing devices 60, the locking thread 70 is sequentially connected with the plurality of nailing devices 60 in series, and two ends of the locking thread 70 are correspondingly and fixedly connected to the two rotating structures 20;
The annulus repair system is used to simultaneously control the rotation of the two wire lock spring tubes 90 to simultaneously tighten the ends of the locking wire 70 to bring the plurality of nailing devices 60 closer together to constrict the annulus.
Specifically, in the annulus repair operation, a plurality of nailing devices 60 are sequentially implanted on the annulus tissue, and a locking wire device is installed on the nailing device 60 positioned at the two most ends in the whole nailing device 60, at this time, the locking wire 70 is sequentially connected with the plurality of nailing devices 60 in series, and the two ends are respectively and fixedly connected to the rotating structures 20 positioned at the two ends, the guiding steel cable 80 is fixedly connected with the end parts of the rotating structures 20, and the wire locker spring tube 90 is sheathed with the rotating structures 20 and is axially and limitedly connected with the third limiting structures 204 on the locking wire;
When the annulus is required to be contracted after nailing is finished, the two wire locking device spring tubes 90 are simultaneously controlled, the rotating structures 20 at the two ends are simultaneously controlled to rotate, the locking wire 70 is simultaneously pulled from the two ends, a plurality of nailing devices 60 are mutually close to contract the annulus tissue, after the locking wire 70 is pulled, the rotating structures 20 are axially moved by pulling the guide steel cable 80, the first limiting structures 30 and the second limiting structures 40 are positioned on the same side, circumferential limiting is realized between the first limiting structures and the second limiting structures 40, the locking effect of the rotating structures 20 is further realized, if the fact that the locking wire 70 is not pulled in place still is found, the rotating structures 20 can be further controlled to rotate to further pull, and if the locking wire is pulled in place, the guide steel cable 80, the wire locking device spring tubes 90 and the locking wire device are detached to withdraw from the body, and the annulus repair operation is completed.
In summary, according to the invention, the rotating structure 20 is mounted on the nailing device 60, the first limiting structure 30 is arranged on the rotating structure 20, the second limiting structure 40 is arranged on the first supporting structure 10 for being mounted with the nailing device 60, when the rotating structure 20 and the first supporting structure are located at two sides of the first supporting structure 10, the rotating structure 20 can rotate randomly, tensioning of the locking wire 70 is achieved, and then the annular tissue is contracted, after tensioning is in place, the rotating structure 20 is axially moved, so that the first limiting structure 30 moves to the same side as the second limiting structure 40, and then is located between the two second limiting structures 40, and then the second limiting structure 40 limits circumferential rotation, thus locking of the rotating structure 20 is achieved, the whole locking operation is simple, and through structure realization of limiting, the unscrewing condition of the postoperative locking wire 70 can be reduced.
The foregoing description is only of the preferred embodiments of the application. It will be appreciated by persons skilled in the art that the scope of the disclosure referred to in the present application is not limited to the specific combinations of technical features described above, but also covers other technical features formed by any combination of the technical features described above or their equivalents without departing from the spirit of the disclosure. Such as the above-mentioned features and the technical features disclosed in the present application (but not limited to) having similar functions are replaced with each other.