CN111803155A - Suture handle and soft tissue suture instrument - Google Patents

Abstract

The invention relates to a suture handle, comprising a handle base and a wire feeding assembly. The handle base can be fixedly installed with the sewing hook, and a disassembly cavity is also provided on the handle base. The wire feeding assembly includes a disassembly and assembly part and an action part. The action part is movably arranged in the disassembly and assembly part, and the disassembly and assembly part is detachably and fixedly arranged in the disassembly and assembly cavity. A wire feeding pipeline is opened in the disassembly and assembly part, and the wire feeding pipeline has an incoming wire. The end and the outgoing end, the incoming end allows the suture to pass in, the outgoing end can be matched with the suture hook, and the outgoing end allows the suture to pass out and enter the suture hook; when the action part acts, the suture is driven to go out from the outgoing end. The present invention also relates to a soft tissue stapler comprising the above-mentioned suture handle. The above-mentioned suture handle and soft tissue stapler not only have a simple structure, but also can realize quick installation and quick disassembly of the suture handle. At the same time, the wire feeding assembly and the handle base can be easily cleaned, such as cleaning and sterilizing, respectively.

Description

Suture handles and soft tissue staplers

technical field

The invention relates to the technical field of medical instruments, in particular to a suture handle and a soft tissue stapler.

Background technique

The human body has various soft tissues such as muscles, tendons, ligaments, etc., and soft tissues play a key role in the process of human movement. At the same time, the damage of soft tissues will also seriously affect the normal activities of patients. Taking the rotator cuff in the soft tissue as an example, the rotator cuff, also known as the rotator cuff, is a group of tendon complexes wrapped around the humeral head. And the teres minor tendon, the movement of these tendons drives the internal rotation, external rotation and lifting of the shoulder joint, and plays an extremely important role in maintaining the stability of the shoulder joint and shoulder joint movement. At the same time, rotator cuff injury is a common disease in shoulder surgery, especially for people who frequently and repeatedly use the upper limbs, the rotator cuff is more prone to injury. At present, the clinical treatment of soft tissues such as rotator cuff is generally through suture. However, the sutures generally used to suture soft tissues such as rotator cuffs are complex in structure, difficult to assemble and disassemble, and difficult to clean.

SUMMARY OF THE INVENTION

Based on this, it is necessary to provide a suture handle and a soft tissue stapler that can be quickly disassembled and assembled to solve the problems of complex structure, difficult disassembly and assembly, and difficult cleaning of common soft tissue staplers.

A suture handle comprising:

a handle base, which can be fixedly installed with a sewing hook, and a disassembly cavity is also provided on the handle base;

The wire feeding assembly includes a disassembly and assembly part and an action part, the action part is movably arranged in the disassembly and assembly part, the disassembly and assembly part is detachably and fixedly arranged in the disassembly and assembly cavity, and the disassembly and assembly part is provided with a feeder inside. A thread conduit having an incoming thread end and an outgoing thread end, the incoming thread end allowing the suture to pass in, the outgoing end being capable of engaging with the suture hook, the outgoing end allowing the suture to pass out and in Suture hook; when the action part is actuated, the suture thread is driven to pass through the thread outlet end.

In one embodiment, the dismounting part includes a first dismounting plate and a second dismounting plate that are adapted to each other, and the first dismounting plate and the second dismounting plate are detachably fixed after being assembled. is arranged in the disassembly cavity, and the wire feeding pipeline is opened on the first disassembly plate and/or the second disassembly plate; the action part includes a first roller, and the first roller can The detachable one is arranged between the first dismounting plate and the second dismounting plate, the first roller is arranged on one side of the wire feeding pipeline, and the rim of the first roller is connected to the The wire feeding pipelines are tangent, and when the first roller rotates, the suture is driven to pass through the wire outlet end.

In one embodiment, the action part further includes a second roller, the second roller is detachably disposed between the first dismounting plate and the second dismounting plate, the second roller and the first roller are respectively arranged on both sides of the wire feeding pipeline, the rim of the second roller is tangent to the rim of the first roller; when the first roller rotates, it drives the first roller. The two rollers rotate, thereby driving the suture thread to pass through the thread outlet end.

In one embodiment, friction lines are provided on the rim of the first roller along the circumferential direction of rotation.

In one embodiment, a disassembly through hole is defined on the handle base, and the disassembly and assembly cavity is formed around the inner wall of the disassembly through hole; At least one open end of the device is inserted into the disassembly through hole or disassembled from the disassembly through hole.

In one embodiment, the dismounting through hole has a stage along its own extending direction, and the dismounting part has a step protrusion, and the step protrusion can be adapted to the stage stage; The part can be inserted into the disassembly through hole or disassembled from the disassembly through hole from the end with a larger diameter of the disassembly through hole.

In one of the embodiments, the wire feeding assembly further includes a locking portion, the locking portion is movably disposed on the dismounting portion, and the locking portion has an avoidance position and a locking position when moving; the lock When the locking portion moves to the locking position, the dismounting portion can be locked; when the locking portion moves to the avoidance position, the dismounting portion is allowed to be loaded into the dismounting cavity, or the locking portion moves to the avoidance position. In the avoidance position, the dismounting part is allowed to dismount from the dismounting cavity.

In one embodiment, the locking portion includes an elastic plunger, a plunger installation hole is formed on the handle base that communicates with the disassembly cavity, and the elastic plunger is installed in the plunger installation hole , the plunger head of the elastic plunger protrudes from the plunger installation hole to the disassembly cavity; the plunger head of the elastic plunger is a ball head or a conical head.

In one of the embodiments, the suture handle further includes an installation component, the installation component is disposed at one end of the handle base, and the installation component can fix the suture hook in the manner of snap connection and/or screw connection; An installation hole is opened in the installation assembly, the installation hole communicates with the wire outlet end of the wire feeding pipeline, and the installation hole allows one end of the suture hook to be inserted.

In one embodiment, the mounting assembly includes a fixed mounting portion and a movable mounting portion, the fixed mounting portion is fixedly disposed at one end of the handle base, and the fixed mounting portion is opened at one end away from the handle base The installation hole can clamp the suture hook along the rotation circumferential direction of the suture handle; the movable installation part is threadedly connected with the fixed installation part, and the movable installation part can be threaded along the suture handle. The extension axially compresses the suture hook; the movable mounting portion and the mounting hole allow the suture hook to be inserted into the mounting hole.

In one embodiment, a wire entry hole is provided on the handle base, and the wire entry hole communicates with the wire inlet end of the wire feeding pipeline; the wire outlet end of the wire feeding pipeline has A flared opening capable of allowing one end of the suture hook to be inserted.

In one embodiment, a plurality of holding grooves are defined on the handle base.

A soft tissue suturing device includes a suturing hook and the suturing handle according to any one of the above solutions; the suturing hook can be detachably and fixedly installed on the suturing handle.

In one embodiment, the number of the suture hooks is plural, and the plurality of the suture hooks are respectively straight hooks, straight curved hooks, spiral hooks or crescent hooks.

In one embodiment, the included angle between the thread outlet direction of the suture hook and the extension direction of the main body of the suture hook is between 0° and 90°.

The above-mentioned suture handle and soft tissue stapler, the disassembly and assembly part in the wire feeding assembly can be detachably and fixedly installed in the disassembly and assembly cavity on the handle base in an integral manner, which not only has a simple structure, but also can realize the rapid installation and operation of the suture handle. Quick disassembly. At the same time, after the wire feeding assembly is removed from the handle base, the wire feeding assembly and the handle base can be easily cleaned, such as cleaning and sterilizing, respectively. The suture handle and the soft tissue stapler provided by the invention can effectively ensure the smooth progress of the soft tissue suture process.

Description of drawings

1 is a schematic diagram of an exploded structure of a suture handle provided by an embodiment of the present invention;

2 is a schematic cross-sectional structural diagram of a soft tissue stapler provided by an embodiment of the present invention;

3 is a partial cross-sectional structural schematic diagram of a soft tissue stapler provided by an embodiment of the present invention;

4 is a schematic structural diagram of a portion of a 90° straight-bending suture hook provided by an embodiment of the present invention;

5 is a schematic structural diagram of a portion of a 25° left (right) curved suture hook provided by an embodiment of the present invention;

6 is a schematic structural diagram of a portion of a 45° left (right) curved suture hook provided by an embodiment of the present invention;

7 is a schematic structural diagram of a part of a 60° left (right) curved suture hook according to an embodiment of the present invention;

8 is a schematic structural diagram of a part of a 90° left (right) curved suture hook according to an embodiment of the present invention;

9 is a schematic structural diagram of a part of a left (right) spiral suture hook provided by an embodiment of the present invention;

10 is a schematic structural diagram of a crescent-shaped suture hook according to an embodiment of the present invention.

Wherein: 1. Soft tissue stapler; 10. Suture handle; 100, handle base; 110, holding groove; 200, disassembly cavity; 300, wire feeding assembly; 310, disassembly part; Mounting plate; 312, second dismounting plate; 320, wire feeding pipeline; 321, wire inlet end; 322, wire outlet end; 323, wire feeding slot; 330, action part; 331, first roller; 332, second Roller; 340, elastic plunger; 400, installation assembly; 410, fixed installation part; 411, installation hole; 420, movable installation part; 50, suture hook; 510, tail end; 520, suture end.

Detailed ways

In order to make the above objects, features and advantages of the present invention more clearly understood, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed below.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " Back, Left, Right, Vertical, Horizontal, Top, Bottom, Inner, Outer, Clockwise, Counterclockwise, Axial , "radial", "circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated device or Elements must have a particular orientation, be constructed and operate in a particular orientation and are therefore not to be construed as limitations of the invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise expressly and specifically defined.

In the present invention, unless otherwise expressly specified and limited, the terms "installed", "connected", "connected", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between the two elements, unless otherwise specified limit. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may be in direct contact between the first and second features, or the first and second features indirectly through an intermediary touch. Also, the first feature being "above", "over" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or an intervening element may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for the purpose of illustration only and do not represent the only embodiment.

As one of the main driving factors for precise control of the spatial position of the shoulder joint, the rotator cuff muscles play a crucial role in the function of the shoulder joint. Factors such as shoulder impingement sign, local stress environment of the rotator cuff, blood supply and degeneration, shoulder joint trauma, and frequent overhead work are common causes of rotator cuff injuries. Rotator cuff injury can cause different degrees of shoulder joint dysfunction and pain, which seriously affects the patient's ability of daily life and quality of life. The invention provides a suture handle and a soft tissue suture device which can effectively suture soft tissue such as rotator cuff.

As shown in FIGS. 1-3 , an embodiment of the present invention provides a suture handle 10 that can be assembled with a suture hook 50 to form a soft tissue stapler 1 . Specifically, the suture handle 10 includes a handle base 100 and a wire feeding assembly 300 . The handle base 100 can fix the suture hook 50 and allow the operator to directly or indirectly hold it. Meanwhile, the handle base 100 also has a disassembly cavity 200 . Corresponding to the handle base 100 , the wire feeding assembly 300 includes a disassembly and assembly part 310 and an action part 330 . The action part 330 is movably arranged in the disassembly and assembly part 310 , and the disassembly and assembly part 310 is detachably and fixedly disposed in the disassembly and assembly cavity 200 . A wire feeding pipe 320 is provided in the mounting portion 310. The wire feeding pipe 320 has a wire inlet end 321 and a wire outlet end 322. The wire inlet end 321 allows the suture to pass through, the wire outlet end 322 can cooperate with the suture hook 50, and the wire outlet end 322 allows The suture is passed out and into the suture hook 50 . The actuating part 330 drives the suture thread to pass through the thread outlet end 322 when actuated by the operator or the operating force.

In the above-mentioned suture handle 10, the disassembly and assembly part 310 in the wire feeding assembly 300 can be detachably and fixedly installed in the disassembly and assembly cavity 200 on the handle base 100 in an integral manner. Quick installation and quick disassembly. At the same time, after the wire feeding assembly 300 is disassembled from the handle base 100, the wire feeding assembly 300 and the handle base 100 can be conveniently cleaned, such as cleaning and sterilizing, respectively. The suture handle 10 provided in this embodiment can effectively ensure the smooth progress of the soft tissue suture process.

The quick disassembly and assembly between the wire feeding assembly 300 and the handle base 100 is a key feature of the above-mentioned embodiments. It can be understood that the dismounting cavity 200 in the above embodiment may be formed by a through hole or a groove formed on the handle base 100 . In an embodiment of the present invention, as shown in FIGS. 1-3 , the handle base 100 is provided with a disassembly through hole, and an inner wall of the disassembly through hole forms a disassembly cavity 200 . The detachable part 310 can be inserted into or removed from the detachable through hole from at least one open end of the detachable through hole. Forming the dismounting cavity 200 in the form of a dismounting through hole can not only facilitate the quick dismounting and dismounting of the wire feeding assembly 300 on the handle base 100, but also can drive the dismounting part 310 to be installed from any open end of the dismounting through hole. The cavity 200 is disassembled or disassembled from the disassembly cavity 200 . Further, the dismounting through hole has a stage along its own extending direction, and the dismounting portion 310 has a stepped protrusion, and the stepped protrusion can be adapted to the stage. The detachable part 310 can be inserted into or removed from the detachable through hole from the end with a larger diameter of the detachable through hole. The cooperation between the stage stage and the step protrusion conveniently realizes the installation and positioning between the disassembly and assembly part 310 and the disassembly and assembly cavity 200 , thereby improving the installation accuracy and installation efficiency between the part feeding assembly and the handle base 100 .

In the above-mentioned embodiment, when the wire feeding assembly 300 needs to be installed on the handle base 100 , it is only necessary to install the dismounting part from the end with the larger diameter of the dismounting through hole into the dismounting through hole. When the wire feeding assembly 300 needs to be detached from the handle base 100, the detachment part 310 can be driven from the end with the smaller diameter of the detachment through hole, so that the detachment part can be removed from the end with the larger diameter of the detachment through hole. In addition, it is convenient to store, maintain, clean or replace the wire feed assembly and the handle base 100, respectively. In other embodiments of the present invention, the handle base 100 is provided with a disassembly and assembly groove, and the inner wall of the disassembly and assembly groove is surrounded to form a disassembly and assembly cavity 200; it can be understood that the disassembly and assembly portion 310 and the The disassembly and assembly relationship between the handle base 100 and the wire feeding assembly 300 in this embodiment can be realized by adapting the structural relationship between the disassembly and assembly cavities 200 . It can be understood that the stable holding of the handle base 100 by the operator is an effective guarantee for realizing quick disassembly and assembly between the handle base 100 and the wire feeding assembly 300 . In an embodiment of the present invention, as shown in FIG. 1 , a plurality of holding grooves 110 are defined on the handle base 100 , and the holding grooves 110 can effectively increase the friction between the handle base 100 and the operator. As an achievable way, the handle base 100 is in the shape of a round rod as a whole, each holding groove 110 extends along the extension axis of the round rod-shaped handle base 100 , and a plurality of holding grooves 110 extend along the circular rod-shaped handle base 100 . 100 revolutions are distributed circumferentially spaced.

The quick disassembly and assembly between the wire feeding assembly 300 and the handle base 100 lays a certain foundation for ensuring the efficient suture of soft tissues such as the rotator cuff, and at the same time allows the wire feeding assembly 300 and the handle base 100 to be deeply cleaned respectively, thereby effectively avoiding the need for Rotator cuff etc. are contaminated during suture procedure. It can be understood that the dismounting and assembling part 310 in the wire feeding assembly 300 may be an integral structure, or may be a separate structure composed of several parts. In an embodiment of the present invention, as shown in FIG. 1 , the disassembly and assembly part 310 includes a first disassembly and assembly plate 311 and a second disassembly and assembly plate 312 that are adapted to each other, and the first disassembly and assembly plate 311 and the second disassembly and assembly plate 312 After assembly, it is detachably and fixedly disposed in the disassembly and assembly cavity 200 , and the wire feeding pipeline 320 is opened on the first disassembly and assembly plate 311 and/or the second disassembly and assembly plate 312 . The action part 330 includes a first roller 331, the first roller 331 is detachably arranged between the first dismounting plate 311 and the second dismounting plate 312, the first roller 331 is arranged on one side of the wire feeding pipeline 320, the first The rim of a roller 331 is tangent to the wire feeding pipeline 320 . When the first roller 331 rotates, the suture thread is driven to pass through the thread outlet end 322 and enter the suture hook 50 . On the basis of realizing the quick disassembly and assembly of the handle base 100 and the wire feeding assembly 300, the disassembly and assembly plate and the disassembly and assembly part 310 in the form of a roller further realize the rapid assembly and disassembly of the wire feeding assembly 300, and further allow the inside of the wire feeding assembly 300 to carry out Deep cleaning further ensures the smooth progress of soft tissue sutures such as the rotator cuff.

In an embodiment of the present invention, as shown in FIGS. 1-3 , the action part 330 further includes a second roller 332 , and the second roller 332 is detachably disposed between the first dismounting plate 311 and the second dismounting plate 312 , the second roller 332 and the first roller 331 are respectively disposed on both sides of the wire feeding pipeline 320 , and the rim of the second roller 332 is tangent to the rim of the first roller 331 . When the first roller 331 rotates, the second roller 332 is driven to rotate, thereby driving the suture thread to pass through the thread outlet end 322 . The first roller 331 and the second roller 332 convey the suture in a rotational contact manner, which avoids sliding friction between the suture and the surrounding structure, forms an effective protection for the suture, and reduces the operator's ability to drive the suture. The driving force and driving difficulty of the first roller 331 or the second roller 332 during the process. Further, friction lines are provided on the rim of the first roller 331 along the circumferential direction of rotation. The friction pattern can simultaneously increase the friction force between the operator and the first roller 331 and the friction force between the first roller 331 and the suture thread, thereby effectively reducing the difficulty for the operator to feed the thread through the action part 330 . In other embodiments, friction lines may also be provided on the rim of the second roller 332 at the same time. As an achievable way, protrusions or grooves are respectively provided on the surfaces of the first disassembly and assembly plate 311 and the second disassembly and assembly plate 312 that are close to each other, so as to realize the first disassembly and assembly plate 311 and the second disassembly and assembly plate 311. Quick positioning and installation between 312.

In a specific embodiment of the present invention, as shown in FIGS. 1-3 , semi-cylindrical wire feeding grooves 323 are respectively provided on the surfaces of the first dismounting plate 311 and the second dismounting plate 312 which are close to each other. When the mounting plate 311 and the second dismounting and mounting plate 312 are assembled, the two wire feeding grooves 323 can form a wire feeding pipeline 320 . In other embodiments of the present invention, the wire feeding pipeline 320 may also be provided only on the first disassembly and assembly plate 311 or the second disassembly and assembly plate 312 . Optionally, the wire entry end 321 of the wire feeding pipeline 320 in the disassembly and assembly part 310 may be opened at a position directly in contact with the external environment, thereby allowing the suture to be directly inserted into the wire entry end 321 of the wire feeding pipeline 320; The thread entry end 321 of the wire feed line 320 in the mounting portion 310 may be opened at a position that is shielded by the handle base 100 after installation. The suture needs to pass through the handle base 100 first and then pass through the thread feed line 320 of the thread feed line 320. end 321. In an embodiment of the present invention, the handle base 100 is provided with a wire entry hole, the wire entry hole communicates with the wire entry end 321 of the wire feeding pipe 320, and the wire feeding pipe 320 smoothly extends along the extending direction (for example, a circular arc). shape), further reducing the frictional resistance of the suture during the delivery process, and at the same time effectively preventing the suture from being cut during the delivery process. As an achievable way, the wire outlet end 322 of the wire feeding pipe 320 has an enlarged diameter opening, which can allow one end of the suture hook 50 to be inserted, thereby improving the alignment between the suture hook 50 and the wire outlet end 322 of the wire feeding pipe 320 Quasi-accuracy.

In an embodiment of the present invention, the wire feeding assembly 300 further includes a locking portion, the locking portion is movably disposed on the dismounting portion 310, and the locking portion has an escape position and a locking position when it is moved. When the locking portion moves to the locking position, the dismounting portion 310 can be locked. When the locking portion moves to the avoidance position, the detachable portion 310 is allowed to be loaded into the disassembly and assembly cavity 200 , or when the locking portion moves to the avoidance position, the disassembly and assembly portion 310 is allowed to be disassembled from the disassembly and assembly cavity 200 . The locking portion enhances the assembling strength between the detachable portion 310 and the detachable cavity 200 while allowing the detachable assembly between the detachable portion 310 and the detachable cavity 200 . Optionally, as shown in FIGS. 1-3 , the locking portion may be in the form of an elastic plunger 340 , or may be a snap ring or the like capable of binding the dismounting portion 310 and the handle base 100 . As an achievable way, the locking portion includes an elastic plunger 340, the handle base 100 is provided with a plunger installation hole that communicates with the disassembly cavity 200, the elastic plunger 340 is installed in the plunger installation hole, and the elastic plunger 340 The plunger head extends out of the plunger mounting hole to the disassembly cavity 200 . The plunger head of the elastic plunger 340 is a ball head or a conical head. Correspondingly, in the disassembly and assembly part 310 (the first disassembly and assembly plate 311 or the second disassembly and assembly plate 312 ) a groove is provided that is adapted to the shape of the plunger head, and the plunger head of the elastic plunger 340 protrudes out of the plunger installation hole When the cavity 200 is disassembled and assembled, it can abut with the groove. The elastic plunger 340 has the advantages of simple structure and stable performance. When installing the dismounting portion 310 into the dismounting cavity 200 or dismounting the dismounting portion 310 from the dismounting cavity 200 , it is only necessary to push the dismounting portion 310 in the mounting direction or the dismounting direction, and the elastic plunger 340 can be locked. Tighten the detachable part or the detachable part is disengaged from the elastic plunger 340 .

In an embodiment of the present invention, as shown in FIGS. 1-3 , the suture handle 10 further includes an installation assembly 400 , the installation assembly 400 is disposed at one end of the handle base 100 , and the installation assembly 400 can be connected by a snap connection and/or a screw thread. The suture hook 50 is fixedly installed. An installation hole 411 is defined in the installation assembly 400 , the installation hole 411 communicates with the wire outlet end 322 of the wire feeding pipeline 320 , and the installation hole 411 allows one end of the suture hook 50 to be inserted. As an achievable manner, the mounting assembly 400 includes a fixed mounting portion 410 and a movable mounting portion 420 , the fixed mounting portion 410 is fixedly disposed at one end of the handle base 100 , and an end of the fixed mounting portion 410 away from the handle base 100 defines a mounting hole 411 , the installation hole 411 can fasten the suture hook 50 along the rotation circumferential direction of the suture handle 10 . The movable mounting portion 420 is threadedly connected with the fixed mounting portion 410 , and the movable mounting portion 420 can press the suture hook 50 along the extending axial direction of the suture handle 10 . The movable mounting portion 420 and the mounting hole 411 allow the suture hook 50 to be inserted into the mounting hole 411 . The mounting assembly 400 provided in this embodiment can respectively fix and mount a plurality of suture hooks 50 adapted thereto on the handle base 100 . Further, the fixed mounting portion 410 in the mounting assembly 400 may also be integrally formed with the handle base 100 . The suture hook 50, the movable mounting portion 420, and the fixed mounting portion 410 form a group of similar ferrule threaded joints.

An embodiment of the present invention further provides a soft tissue stapler 1 , as shown in FIGS. 2-3 , comprising a suture hook 50 and the suture handle 10 according to any one of the above solutions. The suture hook 50 can be detachably fixed to the suture handle 10 . In the above-mentioned soft tissue stapler 1, the dismounting part 310 in the wire feeding assembly 300 can be detachably and fixedly installed in the dismounting cavity 200 on the handle base 100 in an integral manner, which not only has a simple structure, but also can realize the suture handle 10. quick installation and quick disassembly. At the same time, after the wire feeding assembly 300 is disassembled from the handle base 100, the wire feeding assembly 300 and the handle base 100 can be conveniently cleaned, such as cleaning and sterilizing, respectively. The soft tissue stapler 1 provided by the present invention can effectively ensure the smooth progress of the soft tissue suture process. It should be noted that the suture hook 50 provided in this embodiment has a hollow structure, and the suture can enter from the tail end 510 of the suture hook 50 and pass through the suture end 520 of the suture hook 50 .

In an embodiment of the present invention, a complete set of suture hooks 50 is provided, the number of the suture hooks 50 is multiple, and the plurality of suture hooks 50 are respectively straight hooks, straight curved hooks, spiral hooks or crescent hooks. And the included angle between the thread outlet direction of the suture hook 50 and the extension direction of the main body of the suture hook 50 is between 0° and 90°. Specifically, as shown in Figure 4-1, 4-2, 5-1, 5-2, 6-1, 6-2, 7-1, 7-2, 8-1, 8-2, 9-1, 9 As shown in -2, 10-1, 10-2, and 10-3 respectively, the types of the suture hooks 50 are 90° short straight bend, 90° long straight bend, 25° left bend, 25° right bend, 45° ° Left Bend, 45° Right Bend, 60° Left Bend, 60° Right Bend, 90° Left Bend, 90° Right Bend, Left Spiral, Right Spiral, Crescent Small, Crescent Medium, and Crescent large.

In each of the above-mentioned embodiments, in the preparatory stage of the soft tissue suturing operation, the first roller 331 and the second roller 332 are firstly mounted on the first dismounting plate 311 and the second dismounting plate 312, and then the wire feeding assembly 300 is integrally mounted into the disassembly cavity 200 of the handle base 100 . A suitable type of suture hook 50 is selected, and the tail end of the suture hook 50 is installed into the mounting assembly 400 , and the tail end of the suture hook 50 is aligned with the outlet end of the wire feeding line 320 at this time. The suture thread is passed through the inlet end of the wire feeding line 320 and the first roller 331 is rotated. The suture ends are pulled out. The operator uses the soft tissue stapler 1 to suture soft tissue such as the rotator cuff. After the suturing operation, the soft tissue stapler 1 is quickly disassembled according to the reverse order of installation, so as to clean each part separately.

The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity, all possible combinations of the technical features in the above-described embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be regarded as the scope described in this specification.

The above-mentioned embodiments only represent several embodiments of the present invention, and the descriptions thereof are more specific and detailed, but should not be construed as a limitation on the scope of the invention patent. It should be pointed out that for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention should be subject to the appended claims.

Claims (15)

1. A suture handle, comprising:

the handle base can be fixedly provided with a suture hook, and a dismounting cavity is also formed in the handle base;

the wire feeding assembly comprises a disassembly part and an action part, the action part is movably arranged on the disassembly part, the disassembly part is detachably and fixedly arranged on the disassembly cavity, a wire feeding pipeline is arranged in the disassembly part, the wire feeding pipeline is provided with a wire inlet end and a wire outlet end, the wire inlet end allows a suture to penetrate, the wire outlet end can be matched with the suture hook, and the wire outlet end allows the suture to penetrate out of the suture and enter the suture hook; the action part drives the suture to penetrate out of the wire outlet end when acting.

2. The suture handle according to claim 1, wherein the detachable portion comprises a first detachable plate and a second detachable plate which are adapted to each other, the first detachable plate and the second detachable plate are detachably fixed to the detachable cavity after being assembled, and the wire feeding pipeline is arranged on the first detachable plate and/or the second detachable plate; the action part comprises a first roller, the first roller is detachably arranged between the first assembling plate and the second assembling plate, the first roller is arranged on one side of the wire feeding pipeline, the rim of the first roller is tangent to the wire feeding pipeline, and the first roller drives the suture to penetrate out of the wire outlet end when rotating.

3. The suture handle according to claim 2, wherein the action part further comprises a second roller detachably disposed between the first detachable plate and the second detachable plate, the second roller and the first roller are respectively disposed at two sides of the thread feeding pipeline, and a rim of the second roller is tangent to a rim of the first roller; when the first roller rotates, the second roller is driven to rotate, and the suture is driven to penetrate out of the wire outlet end.

4. The suturing handle of claim 2 wherein the rim of the first roller has friction ridges disposed thereon along a circumferential direction of rotation.

5. The suturing handle of claim 1 wherein the handle base is provided with a through hole for insertion and removal, the through hole having an inner wall defining the insertion and removal cavity; the detachable portion can be attached to or detached from the detachable through hole from at least one open end of the detachable through hole.

6. The suture handle according to claim 5, wherein the through hole has a step section along its extending direction, and the detachable portion has a step protrusion thereon, the step protrusion being capable of fitting with the step section; the detachable portion can be attached to or detached from the detachable through hole from the end with the larger aperture.

7. The suturing handle of any one of claims 1-6 wherein the wire feed assembly further includes a lockout portion movably disposed on the detachable portion, the lockout portion having an escape position and a lockout position when moved; the locking part can lock the dismounting part when moving to a locking position; the locking part allows the dismounting part to be mounted in the dismounting cavity when moving to an avoiding position, or allows the dismounting part to be dismounted from the dismounting cavity when moving to the avoiding position.

8. The suturing handle of claim 7 wherein the locking portion comprises a resilient plunger, the handle base defines a plunger mounting hole in communication with the removable cavity, the resilient plunger is mounted to the plunger mounting hole, and a plunger tip of the resilient plunger extends out of the plunger mounting hole to the removable cavity; the plunger head of the elastic plunger is a ball head or a conical head.

9. The suturing handle of any one of claims 1-6 further comprising a mounting assembly disposed at one end of the handle base, the mounting assembly configured to fixedly mount a suturing hook in a snap-fit and/or threaded connection; the installation component is internally provided with an installation hole, the installation hole is communicated with the wire outlet end of the wire feeding pipeline, and one end of the sewing hook is allowed to be inserted into the installation hole.

10. The suturing handle of claim 9, wherein the mounting assembly comprises a fixed mounting portion and a movable mounting portion, the fixed mounting portion is fixedly arranged at one end of the handle base, the mounting hole is formed in the end of the fixed mounting portion away from the handle base, and the mounting hole can clamp the suturing hook along the rotation circumferential direction of the suturing handle; the movable mounting part is in threaded connection with the fixed mounting part and can press the sewing hook along the extending axial direction of the sewing handle; the movable mounting portion and the mounting hole allow insertion of a suture hook into the mounting hole.

11. The suture handle according to any one of claims 1 to 6, wherein the handle base is provided with a thread inlet hole, and the thread inlet hole is communicated with the thread inlet end of the thread feeding pipeline; the outlet end of the thread feeding pipe is provided with a diameter expanding opening which can allow one end of a suture hook to be inserted.

12. The suturing handle of any one of claims 1-6 wherein the handle base defines a plurality of gripping recesses.

13. A soft tissue stapler, comprising a stapling hook and a stapling handle according to any of claims 1-12; the suture hook can be detachably and fixedly arranged on the suture handle.

14. The soft tissue stapler according to claim 13, wherein the number of the suture hooks is plural, and the plurality of suture hooks are respectively straight type hooks, straight-bent type hooks, spiral type hooks or crescent type hooks.

15. The soft tissue stapler of claim 14, wherein an angle between a direction of thread exiting of the stapling hook and a direction of extension of a body of the stapling hook is between 0-90 °.

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