CN209122328U - A threading clip for surgical suture - Google Patents

Abstract

The utility model relates to the technical field of medical instruments, in particular to a threading clamp for surgical suture, comprising a puncture needle and a head, a stem and a handle connected in sequence, and one end of the puncture needle is provided with a puncture needle. The other end is provided with a clamping part, and the puncturing part is provided with a first clamping position that cooperates with the suture; the head includes hinged upper jaw and lower jaw, the handle includes a first handle and a second handle, the first handle and the second handle The handle is movably connected; the lower jaw is fixedly connected with the rod, the lower jaw is provided with a second clamping position for pre-installing the suture, the upper jaw and the first handle are connected with a transmission mechanism arranged in the rod, the second The handle is provided with a snap-fit position matched with the snap-fit portion; the rod portion is provided with a cavity capable of accommodating the puncture needle to pass through. The operation procedure of the utility model is simple, the suture thread can be easily taken out from the operation path at one time, the suture efficiency of the surgeon can be improved, the fatigue of the operator can be avoided, and the safety of the surgical operation can be increased.

Description

A threading clip for surgical suture

technical field

The utility model relates to the technical field of medical instruments, in particular to a threading clamp for surgical suture.

Background technique

Hospitals and clinics need to thread sutures into suture needles when performing surgical sutures. Slow threading can easily delay sutures and other operations, resulting in adverse effects on surgical treatment. At present, threaders usually use a needle core to pass one or two sutures through the tissue caught by the jaws, and then use a thread clip to remove the sutures from another surgical approach multiple times for suturing. This threading device and threading method have the following disadvantages: 1) After the needle core penetrates the tissue, the thread clipper clamps the thread from another surgical approach; 2) After the needle core penetrates the tissue, the clip can clamp the thread, but only One puncture penetrates the tissue; 3) The operation steps are complicated, the time is long, and the operator is prone to fatigue.

Utility model content

The purpose of the utility model is to overcome the deficiencies of the prior art, and to provide a simple operation procedure, which can puncture tissue twice with one or two sutures and take out one or two sutures from the surgical approach once. Threading clips for surgical sutures.

In order to solve the above-mentioned technical problems, the technical scheme adopted by the present utility model is:

Provided is a threading clip for surgical suture, comprising a puncture needle and a head, a stem and a handle connected in sequence, one end of the puncture needle is provided with a puncture portion, the other end is provided with a clamping portion, and the puncture needle is provided with a puncture portion at the other end. The head part is provided with a first detent that cooperates with the suture; the head part includes a hinged upper jaw and a lower jaw, and the handle part includes a first handle for controlling the rotation of the upper jaw and a second handle for controlling the puncture needle to advance or retreat. a handle, the first handle is movably connected with the second handle; the lower jaw is fixedly connected with the rod part, the lower jaw is provided with a second clamping position for pre-installing the suture, and the second clamping position cooperates with the first clamping position, A transmission mechanism arranged in the rod part is connected between the upper jaw and the first handle, and the second handle is provided with a clamping position matched with the clamping part; the rod part is provided with a cavity capable of accommodating the passage of the puncture needle .

The threading gripper for surgical suture of the utility model pre-installs the suture in the second position at the bottom of the lower jaw, operates the second handle to control the puncture needle to advance to the position where the first position matches the second position, and sews The thread slides into the first position of the puncture needle, and the puncture needle is controlled to retreat by operating the second handle. The puncture needle and the suture are retracted to the initial position together, and the pre-installation of the suture is completed. The two handles control the puncture needle to suture the suture thread through the tissue and clamp the suture thread. After one suture is completed, the same steps are performed again. The utility model is easy to operate, can simply take out the suture thread from the surgical approach at one time, can improve the suture efficiency of the surgeon, avoid the operator's fatigue, and increase the safety of the surgical operation.

Further, the first handle includes a rotatably connected trigger handle and an operating handle, one end of the operating handle is fixedly connected with the rod, and one end is rotatably connected with the second handle; a lock is connected between the trigger handle and the operating handle. stop agency. The transmission mechanism is connected between the upper jaw and the trigger handle. The rotation of the trigger handle relative to the operating handle drives the upper jaw to rotate relative to the lower jaw through the transmission mechanism to realize the opening and closing of the upper jaw and the lower jaw. The structure is compact and the operation is simple.

Further, a connecting shaft is provided at the hinge between the upper jaw and the lower jaw.

Further, the locking mechanism includes a self-locking rack and an unlocking handle, and the self-locking rack and the unlocking handle are integral structures; the self-locking rack is arranged between the trigger handle and the operating handle, and the unlocking The handle is movable on the operating handle. The unlocking handle and the self-locking rack lock the relative rotation between the trigger handle and the operating handle. At this time, operating the second handle can control the advance or retreat of the puncture needle; They are independent of each other and do not interfere with each other, which can improve the accuracy of operation.

Further, a spring structure is connected between the operating handle and the second handle. When the second handle is pushed forward, the puncture needle can be pushed out and the suture thread penetrates the tissue; after the second handle is released, the spring returns to its original state, the second handle retreats, and the puncture needle exits the tissue; the operation saves effort and improves the surgeon's suture efficiency .

Further, the operating handle is provided with a non-slip structure that fits with the operator's fingers. The anti-slip structure is a concave wavy structure, which is in line with the surgeon's fingers, and the hand is firm and labor-saving.

Further, a clip body is hingedly connected to the upper jaw, a connecting column is provided at the hinged joint between the clip body and the upper jaw, and a spring member is sleeved on the connecting column. During the thread-passing operation, after the puncture needle penetrates the suture thread through the tissue, the clip will automatically clamp the suture thread and pull the suture thread through the tissue for suturing.

Further, the upper jaw is provided with a first clamping opening at the opening, the first clamping opening is a pyramid structure whose thickness gradually and uniformly decreases from the opening to the inner side, and at least one side of the pyramid structure is provided with a serrated structure. The arrangement of the pyramid structure makes the upper and lower jaws engage better.

Compared with the prior art, the beneficial effects of the present utility model are:

(1) The threading gripper for surgical suture of the present utility model has simple operation of pre-installing thread and thread-passing operation. Fatigue and increased surgical safety.

(2) The movement of the puncture needle of the present invention and the occlusal movement of the upper jaw are independent of each other and do not interfere with each other, which can improve the convenience and accuracy of the surgeon's operation; and the present invention has a compact structure, reasonable design, and convenient operation. , has strong practicality.

Description of drawings

FIG. 1 is a schematic structural diagram of the open upper jaw of the threading gripper for surgical suture of the present invention.

FIG. 2 is a schematic structural diagram of the occlusion of the upper jaw of the threading gripper for surgical suture of the present invention.

FIG. 3 is an exploded schematic view of the collet of the threading gripper for surgical suture of the present invention.

Detailed ways

The present utility model will be further described below in conjunction with specific embodiments. Among them, the accompanying drawings are only used for exemplary description, and represent only schematic diagrams, not physical drawings, and should not be construed as restrictions on this patent; in order to better illustrate the embodiments of the present utility model, some parts of the accompanying drawings will be omitted. , enlargement or reduction, do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the accompanying drawings may be omitted.

The same or similar symbols in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there are terms "upper", "lower", "left", " The orientation or positional relationship indicated by "right" and the like is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, It is constructed and operated in a specific orientation, so the terms describing the positional relationship in the accompanying drawings are only used for exemplary illustration, and should not be construed as a limitation on this patent. specific meaning.

Example

Figures 1 to 3 show the first embodiment of the threading gripper for surgical suture of the present invention, comprising a puncture needle 1 and a head 2, a stem 3 and a handle 4 connected in sequence, the puncture needle 1 One end is provided with a puncturing part 11, the other end is provided with a clamping part 12, and the puncturing part 11 is provided with a first clamping position that cooperates with the suture; the head 2 includes a hinged upper jaw 21 and a lower jaw 22, and the handle 4 includes The first handle 41 for controlling the rotation of the upper jaw 21 and the second handle 42 for controlling the forward or backward of the puncture needle 1, the first handle 41 is movably connected with the second handle 42; the lower jaw 22 is fixedly connected with the rod 3, and the lower jaw 22 is provided with a In the second detent 23 of the pre-installed suture, the second detent 23 cooperates with the first detent, the upper jaw 21 and the first handle 41 are connected with a transmission mechanism arranged in the rod portion 3, and the second handle 42 is provided with a transmission mechanism. There is a clamping part 43 which is matched with the clamping part; the rod part 3 is provided with a cavity capable of accommodating the puncture needle 1 to pass through.

In the implementation of this embodiment, the suture is pre-installed in the second detent 23 at the bottom of the lower jaw 22, and the puncture needle 1 is controlled by operating the second handle 42 to advance to the position where the first detent and the second detent 23 are matched, and the suture is performed. The thread slides into the first position of the puncture needle 1, and the puncture needle 1 is controlled to retreat by operating the second handle 42, the puncture needle 1 and the suture are retracted to the initial position together, and the pre-installation of the suture is completed; , by operating the second handle 42 to control the puncture needle 1 to sew the suture thread through the tissue and clamp the suture thread. After one suture is completed, the same steps are performed to suture again.

As shown in FIG. 1 , the first handle 41 includes a rotatably connected trigger handle 44 and an operating handle 45, one end of the operating handle 45 is fixedly connected to the rod portion 3, and one end is rotatably connected to the second handle 42; the trigger handle 44 and the operating handle 45 A locking mechanism 5 is connected therebetween. Wherein, a connecting shaft 24 is provided at the hinge of the upper jaw 21 and the lower jaw 22 . The transmission mechanism in this embodiment can be configured as a chain sprocket structure known to those skilled in the art, including a first sprocket and a chain arranged on the connecting shaft 24 and a first sprocket arranged at the connection between the trigger handle 44 and the operating handle 45 . Two sprockets, the chain is arranged around the first sprocket and the second sprocket; when the trigger handle 44 is pressed, the second sprocket rotates, and the chain drives the first sprocket to rotate, and the first sprocket drives the connecting shaft 24 to rotate, and the upper jaw rotates. 21 is rotated relative to the lower jaw 22 to close. A spring structure 46 is connected between the operating handle 45 and the second handle 42. When the second handle 42 is pushed forward, the puncture needle 1 can be pushed out and the suture thread penetrates the tissue; The second handle 42 is retracted, and the puncture needle 1 is withdrawn from the tissue. The locking mechanism 5 includes a self-locking rack 51 and an unlocking handle 52. The self-locking rack 51 and the unlocking handle 52 are integral structures; On the operating handle 45, the unlocking handle 52 and the self-locking rack 51 lock the relative rotation between the trigger handle 44 and the operating handle 45. At this time, operating the second handle 42 can control the forward or backward of the puncture needle 1, and the puncture needle 1 The movement of the upper jaw 21 and the occlusal movement of the upper jaw 21 are independent of each other and do not interfere with each other. In addition, the operating handle 45 is provided with a non-slip structure 47 that fits with the operator's fingers, so as to increase the firmness of hand-holding.

As shown in the figure, a clamp body 6 is hingedly connected to the upper jaw 21, a connecting column 61 is provided at the hinged joint between the clamping body 6 and the upper jaw 21, and a spring member 62 is sleeved on the connecting column 61. During the thread-passing operation, the puncture needle 1 After the suture thread is inserted through the tissue, the clip body 6 will automatically clamp the suture thread, and pull the suture thread through the tissue for suturing. The upper jaw 21 is provided with a first jaw 25 at the opening, and the first jaw 25 is a pyramid structure whose thickness gradually and uniformly decreases from the opening to the inner side. The lower jaw 22 bites better.

Obviously, the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, rather than limiting the implementation of the present invention. For those of ordinary skill in the art, changes or modifications in other different forms can also be made on the basis of the above description. There is no need and cannot be exhaustive of all implementations here. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included within the protection scope of the claims of the present utility model.

Claims (8)

1. A threading gripper for surgical suture, characterized in that it comprises a puncture needle (1) and a head (2), a stem (3) and a handle (4) connected in sequence, and the puncture needle ( 1) One end is provided with a puncture part (11), the other end is provided with a clamping part (12), and the puncture part (11) is provided with a first clamping position matched with the suture; the head (2) includes The upper jaw (21) and the lower jaw (22) are hinged, and the handle (4) includes a first handle (41) for controlling the rotation of the upper jaw and a second handle (42) for controlling the forward or backward of the puncture needle, so The first handle (41) is movably connected with the second handle (42); the lower jaw (22) is fixedly connected with the rod part (3), and the lower jaw (22) is provided with a second detent (23) for pre-installing sutures ), the second detent (23) cooperates with the first detent, the upper jaw (21) and the first handle (41) are connected with a transmission mechanism arranged in the rod (3), the first The second handle (42) is provided with a clamping position (43) that cooperates with the clamping part (12); the rod part (3) is provided with a cavity capable of accommodating the puncture needle (1) to pass through. 2. The threading gripper for surgical suture according to claim 1, wherein the first handle (41) comprises a rotatably connected trigger handle (44) and an operating handle (45), the operating handle (41). One end of 45) is fixedly connected with the rod portion (3), and one end is rotatably connected with the second handle (42); a locking mechanism (5) is connected between the trigger handle (44) and the operating handle (45). 3 . The threading gripper for surgical suture according to claim 1 , wherein a connecting shaft ( 24 ) is provided at the hinge of the upper jaw ( 21 ) and the lower jaw ( 22 ). 4 . 4. The threading gripper for surgical suture according to claim 2, characterized in that the locking mechanism (5) comprises a self-locking rack (51) and an unlocking handle (52), the self-locking rack (51) is an integral structure with the unlocking handle (52); the self-locking rack (51) is arranged between the trigger handle (44) and the operating handle (45), and the unlocking handle (52) is movably arranged on the operating handle (45) on. 5. The threading gripper for surgical suture according to claim 2, characterized in that a spring structure (46) is connected between the operating handle (45) and the second handle (42). 6 . The threading gripper for surgical suture according to claim 2 , wherein the operating handle ( 45 ) is provided with a non-slip structure ( 47 ) that fits with the operator’s fingers. 7 . 7. The threading clip for surgical suture according to claim 1, characterized in that a clip body (6) is hingedly connected to the upper jaw (21), and the clip body (6) is connected to the upper jaw (21). A connecting column (61) is provided at the hinge, and a spring member (62) is sleeved on the connecting column (61). 8 . The threading gripper for surgical suture according to claim 1 , wherein the upper jaw ( 21 ) is provided with a first jaw ( 25 ) at the opening, and the first jaw ( 25 ) is 8 . The pyramid structure has a gradually and uniformly decreasing thickness from the opening to the inner side, and at least one side of the pyramid structure is provided with a serrated structure.