Wire grasping pliers

Abstract

The utility model discloses a pair of wire grasping pliers, which comprises a tip pipe assembly, a wire grasping head and a wire grasping head, one end of the movable jaw is matched with one end of the tip tube assembly to form a tong head, and one side of the other end of the movable jaw is rotatably arranged on the tip tube assembly; the connecting rod is slidably arranged in the tip pipe assembly, and one end of the connecting rod is rotatably connected with the other side of the other end of the movable jaw; the handle assembly is connected with the other end of the tip pipe assembly and the other end of the connecting rod and used for driving the movable jaw to be opened and closed in the direction of the tip pipe assembly; a platform is arranged at the contact position of one end of the movable jaw and one end of the tip pipe assembly. The suture line grabbing device has the advantages that a plurality of suture lines can be grabbed at the same time, and use stability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field more particularly, the utility model relates to a kind of line grabbers. BACKGROUND

[0002] Arthroscopic surgery is different from conventional surgery, which is a surgical procedure for lesions or damaged structures in the joint cavity under the mirror, and is a technically demanding surgery with high difficulty and high requirements. During the incision suturing operation in the joint, suturing is required using suturing thread. During suturing, the suturing thread needs to be grasped during the operation in the body. In the current arthroscopic surgery, line grabbers are often used to grasp the suturing thread to move the suturing thread for suturing operation.

[0003] Currently, the conventional line grabbers are generally used to grasp one thread and then another thread, which often causes the grasped thread to come out of the line grabber when grasping another thread, increasing the operation time. Prolonged operation time can affect the health of the patient, so it is crucial to improve the operation efficiency.

[0004] To meet the current clinical needs, a smaller line grabber is needed to meet the fixed mode of smooth line grasping and pulling. SUMMARY

[0005] The utility model aims to design and develop a line grabber, which is more convenient to grasp the suturing thread through the platform design of the jaw head, and improves the operation efficiency.

[0006] The technical scheme provided by the utility model is as follows:

[0007] A line grabber comprises:

[0008] A tip tube assembly; and

[0009] A connecting rod slidably arranged in the tip tube assembly;

[0010] A movable jaw, one end of which cooperates with one end of the tip tube assembly to form a jaw head, and the other end of which is connected to the connecting rod;

[0011] Wherein, one end of the movable jaw is provided with a platform at the contact position with one end of the tip tube assembly.

[0012] Preferably, the tip tube assembly comprises:

[0013] A fixed tube, one end of which is connected to a handle assembly;

[0014] A tip port, which is in an arc shape, and one end of the tip port is integrally arranged with the other end of the fixed tube on one side in the circumferential direction;

[0015] a connecting groove is arranged at the other end of the fixed tube close to the pointed port, and the connecting groove is arranged opposite to the pointed port and communicates with the interior of the fixed tube;

[0016] wherein the other end of the pointed port cooperates with the movable jaw to form a jaw head.

[0017] Preferably, the movable jaw comprises a jaw end and a connecting end which are integrally formed;

[0018] wherein the jaw end is in arc shape and forms a cavity when the jaw end is closed with the pointed port, and the connecting end is in plate shape which is symmetrically arranged.

[0019] Preferably, it further comprises:

[0020] a first rotating pin which penetrates and is riveted at both sides of the connecting groove.

[0021] Preferably, it further comprises:

[0022] a first through hole which is symmetrically arranged at the bottom of both sides of the connecting end;

[0023] a second rotating pin which penetrates and is fixed at the top of both sides of the connecting end, and the second rotating pin is centrally symmetric with the first through hole;

[0024] wherein the first through hole is rotatably sleeved on the first rotating pin.

[0025] Preferably, one end of the connecting rod is provided with a second through hole, and the second through hole is rotatably sleeved on the second rotating pin.

[0026] Preferably, it further comprises:

[0027] a clamping groove which is arranged at one end of the connecting rod and is arranged opposite to the second through hole;

[0028] wherein the clamping groove is selectively clamped on the first rotating pin, and when the clamping groove is clamped on the first rotating pin, the jaw end is in a closed state with the pointed port.

[0029] Preferably, it further comprises:

[0030] a thumb end which is connected with one end of the fixed tube;

[0031] a finger end which is rotatably connected with the thumb end, and the finger end is connected with the other end of the connecting rod for selectively pulling or pushing the connecting rod to move back and forth in the fixed tube.

[0032] Preferably, the jaw end and the tip end are closed to form a water droplet-shaped cavity inside, and the head of the water droplet-shaped cavity is close to the connecting end.

[0033] Preferably, the tip end and the jaw end are both provided with a platform.

[0034] The utility model discloses the beneficial effect:

[0035] The utility model discloses a kind of wire grabbers, more convenient to grab suture by the platform design of jaw head, to grab suture, in combination with the cavity structure of jaw head, closed loop can be formed, allow multiple suture to slide freely in cavity, the position of multiple suture can be limited, to realize the traction work of multiple suture, and the small diameter and low profile of overall structure can ensure that wire grabber can enter the most compact joint space, the pin transmission structure of jaw head, ensure the mechanical strength and service life of wire grabber, ensure that jaw opening will not be broken, reduce operation time, improve surgical efficiency, reduce the risk of medical accident. BRIEF DESCRIPTION OF DRAWINGS

[0036] Figure 1 It is the closed state structure schematic drawing of the wire grabber of the utility model.

[0037] Figure 2 It is the open state structure schematic drawing of the wire grabber of the utility model.

[0038] Figure 3 It is the jaw head structure schematic drawing of the wire grabber of the utility model.

[0039] Figure 4 It is the jaw head cross section structure schematic drawing of the wire grabber of the utility model.

[0040] Figure 5 It is the structure schematic drawing of the tip end pipe assembly of the utility model.

[0041] Figure 6 It is the structure schematic drawing of the movable jaw opening of the utility model.

[0042] Figure 7 It is the structure schematic drawing of the connecting rod of the utility model.

[0043] Figure 8 It is the height and angle structure schematic drawing of the wire grabber of the utility model.

[0044] Figure 9 It is the width structure schematic drawing of the jaw head of the utility model.

[0045] Figure 10 It is the structure schematic drawing when wire is grabbed of the wire grabber of the utility model.

[0046] Figure 11 The utility model discloses a wire grabber's wire arranging structure schematic view. DETAILED DESCRIPTION

[0047] The utility model discloses a wire grabber's wire arranging structure schematic view.

[0048] As Figure 1 , Figure 2 , Figure 3 The utility model discloses a wire grabber's wire arranging structure schematic view.

[0049] The utility model discloses a wire grabber's wire arranging structure schematic view.

[0050] Wherein, the tip tube component 110 is hollow structure, one end of the movable jaw 120 is formed with the tip tube component 110 one end cooperation and forms the jaw head, and the other end one side of movable jaw 120 can rotatable be arranged on the tip tube component 110, the connecting rod 130 can be slidably arranged in the tip tube component 110, and one end of connecting rod 130 is rotatable connected with the other end of the movable jaw 120 other side, and handle assembly drives connecting rod 130 to slide along the central axis of tip tube component 110, and then drives movable jaw 120 to open and close to the direction of tip tube component.

[0051] As Figure 5 The utility model discloses a wire grabber's wire arranging structure schematic view.

[0052] As Figure 6 The utility model discloses a wire grabber's wire arranging structure schematic view.

[0053] As Figure 7 The utility model discloses a wire grabber's wire arranging structure schematic view.

[0054] like Figures 3-7 As shown, symmetrical third through holes are provided on both sides of the connecting groove 113. The first rotating pin 151 is riveted through and riveted into the third through holes on both sides of the connecting groove. Symmetrical first through holes 153 are provided on both sides of the bottom of the connecting end 122 near the tip tube assembly 110. The first rotating pin 151 is rotatably sleeved through the first through holes 153, and the movable jaw 120 can rotate relative to the tip port 112. Symmetrical fourth through holes 154 are provided on both sides of the top of the connecting end 122 away from the tip tube assembly 110, and the fourth through holes 154 and the first through holes 153 are centrally symmetrical. A second through hole 155 is provided at one end of the connecting rod 130. The second rotating pin 152 is fixed through and fixed in the fourth through hole 154 of the connecting end. The second rotating pin 152 is rotatably sleeved on the second rotating pin through the second through hole 155, and the connecting rod 130 can pull the movable jaw 120 to open and close towards the tip port 112.

[0055] A slot 131 is provided at one end of the connecting rod 130. The slot 131 is opposite to the second through hole 155. The slot 131 can be selectively engaged with the first rotating pin 151. When the slot 131 is engaged with the first rotating pin 151, the jaw end 121 and the tip end 112 are in a closed state, realizing the closing limit of the jaw head.

[0056] The handle assembly includes a thumb end 141 and a finger end 142. The thumb end 141 is connected to one end of the fixed tube 111. The finger end 142 is rotatably connected to the thumb end 141 via a handle pin, and the finger end 142 is fixedly connected to the other end of the connecting rod 130 via a shear pin, for selectively pulling or pushing the connecting rod 130 to move back and forth in the fixed tube 111.

[0057] like Figure 8 , Figure 9 As shown, in order to enable the wire gripper to enter the tightest joint space, the outer sides of the jaw end 121 and the tip end 112 are inclined to each other, and the outer inclination angle of the jaw end 121 and the tip end 112 does not exceed 90°. The maximum height of the wire gripper head does not exceed 4mm, and the maximum width of the head does not exceed 2mm, thus giving the wire gripper the characteristics of small diameter and low profile.

[0058] like Figure 10 As shown, in this embodiment, a platform is provided at the contact point between the other end of the pointed end 112 and the jaw end 121, which can be used for conventional gripping work to firmly grasp the suture and thus pull out the suture.

[0059] likeFigure 11 As shown in the embodiment, the jaw end 121 and the tip port 112 are closed to form a water droplet-shaped cavity inside, the head of the water droplet-shaped cavity is close to the connecting end 122, and the plurality of suture wires are allowed to freely slide in the cavity when the suture wires are taken out, so that the plurality of suture wires are simultaneously pulled.

[0060] The working process of the suture grabbing forceps is as follows: the connecting end and the tip port are riveted to form a rotating structure, the connecting end and the connecting rod are pinned to form a driving structure, the tip tube assembly is connected to the connecting rod through the movable jaw, forming a jaw shearing structure, the finger end is connected to the connecting rod through the pin, forming a driving structure, the thumb end and the finger end are held, the finger end is driven to rotate around the handle pin, the connecting rod is driven through the shearing pin, the jaw is movable, and the rotating structure is formed.

[0061] The suture grabbing forceps are designed according to the small and medium hand types of Chinese people, the shape and spacing of the handle are designed, and the ergonomics design can better reduce fatigue under long-time operation; in the jaw part, high-strength and high-hardness metal is used, so that the mechanical strength and service life are effectively improved, the jaw is prevented from being broken and left in the cavity, and the risk of medical accidents is greatly reduced.

[0062] The suture grabbing forceps designed and developed by the utility model are more convenient for grabbing suture wires and taking out the suture wires through the platform design of the jaw, can form a closed loop in combination with the cavity structure of the jaw, allow a plurality of suture wires to freely slide in the cavity, can limit the positions of the plurality of suture wires, and realize the pulling work of the plurality of suture wires, the small diameter and low profile of the overall structure can ensure that the suture grabbing forceps can enter the most compact joint space, the pin transmission structure of the jaw can ensure the mechanical strength and service life of the suture grabbing forceps, the jaw is prevented from being broken, the operation time is reduced, the operation efficiency is improved, and the risk of medical accidents is reduced.

[0063] Although the embodiments of the utility model have been disclosed as above, it is not limited to the application listed in the specification and the embodiments, and it can be fully applied to various fields suitable for the utility model, and other modifications can be easily realized by those skilled in the art, so that the utility model is not limited to specific details and the drawings shown and described herein within the general concept defined by the claims and equivalent ranges.

Claims

1. A type of wire gripper, characterized in that, include: Tip tube assembly; as well as A connecting rod, which is slidably disposed within the tip tube assembly; The movable jaw has one end that mates with one end of the tip tube assembly to form a jaw head, and the other end that is connected to the connecting rod; A platform is provided at the point where one end of the movable jaw contacts one end of the tip tube assembly.

2. The wire-gripping pliers as described in claim 1, characterized in that, The tip tube assembly includes: A fixed tube, one end of which is connected to the handle assembly; The pointed end has an arc-shaped structure, and one end of the pointed end is integrally formed with the other end of the fixed tube on one circumferential side; A connecting groove is provided at the other end of the fixed tube near the pointed end, and the connecting groove is opposite to the pointed end and is connected to the interior of the fixed tube; The other end of the pointed end engages with the movable jaw to form a pliers head.

3. The wire-gripping pliers as described in claim 2, characterized in that, The movable jaws include an integrally formed jaw end and a connecting end; The jaws are arc-shaped and form a cavity when they are closed with the pointed end. The connecting end is a symmetrically arranged plate-like structure.

4. The wire-gripping pliers as described in claim 3, characterized in that, Also includes: The first rotating pin is riveted through both sides of the connecting groove.

5. The wire-gripping pliers as described in claim 4, characterized in that, Also includes: The first through hole is symmetrically arranged on both sides of the bottom of the connecting end; The second rotating pin passes through and is fixed on both sides of the top of the connecting end, and the second rotating pin is centrally symmetrical with the first through hole; The first through hole is rotatably fitted onto the first rotating pin.

6. The wire-gripping pliers as described in claim 5, characterized in that, A second through hole is provided on one end of the connecting rod, and the second through hole is rotatably sleeved on the second rotating pin.

7. The wire-gripping pliers as described in claim 6, characterized in that, Also includes: A slot is provided at one end of the connecting rod, and the slot is positioned opposite to the second through hole; The slot can be selectively engaged with the first rotating pin, and when the slot is engaged with the first rotating pin, the jaw end and the pointed end are in a closed state.

8. The wire-gripping pliers as described in claim 7, characterized in that, Also includes: The thumb end is connected to one end of the fixing tube; The fingertip is rotatably connected to the thumbtip, and the fingertip is connected to the other end of the connecting rod, for selectively pulling or pushing the connecting rod to move back and forth in the fixed tube.

9. The wire-gripping pliers as described in claim 8, characterized in that, When the jaw end and the pointed end are closed, the interior forms a teardrop-shaped cavity, with the head of the teardrop-shaped cavity close to the connecting end.

10. The wire-gripping pliers as described in claim 9, characterized in that, A platform is provided at the other end of the pointed end and at the contact point between the jaw end.

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