Vascular tissue closing forceps capable of being adjusted at any angle

Abstract

The utility model discloses a pair of vascular tissue closing forceps capable of being adjusted at any angle, which relates to the field of medical equipment and comprises a right hand holding type piece, a left hand holding type piece, a traction rod, a hinge connecting piece, a long catheter, an outer U-shaped head, a driving mechanism, a forceps head, a screwing head, a perforating seat, an inner U-shaped head, a forceps head regulating and controlling steel wire and a lateral rotation regulating and controlling steel wire. The blood vessel fixing device has the advantages that the two driving mechanisms are used for driving the outer U-shaped head and the inner U-shaped head which are connected to the two driving mechanisms to be in a lateral rotation state respectively, the forceps heads at the ends of the blood vessel fixing device can be adjusted at any angle, and the sight blocking area of the structural part of the blood vessel fixing device is laterally moved out through the forceps heads; and the barrier-free property of a blood vessel fixing operation visual field area is ensured.

Description

Technical Field

[0001] This utility model relates to the field of medical devices and equipment, specifically a vascular tissue closure clamp that can be adjusted to any angle. Background Technology

[0002] Vascular tissue closure forceps are used to clamp hemostatic clips onto blood vessels to stop bleeding. However, existing vascular tissue closure forceps have a clamp head at the end that can only open and close, and cannot be adjusted laterally, resulting in a serious obstruction of the operator's field of vision. This forces the operator to adjust the entire forceps laterally to observe the clamped area, making operation extremely inconvenient. Therefore, to address these problems, a vascular tissue closure forceps that can be adjusted to any angle is proposed. Utility Model Content

[0003] The purpose of this invention is to provide a vascular tissue closure clamp that can be adjusted to any angle in order to solve the above-mentioned problems.

[0004] This utility model achieves the above-mentioned objective through the following technical solution: a vascular tissue closure forceps adjustable at any angle, comprising a right-hand handpiece, a left-hand handpiece, a traction rod, a hinge connector, a long catheter, an outer U-shaped head, a drive mechanism, a forceps head, a screwing head, a perforation seat, an inner U-shaped head, a forceps head adjustment wire, and a side-rotation adjustment wire. A screwing head is rotatably mounted on one side of the perforation seat at the top of the right-hand handpiece, and one end of the screwing head is connected to one end of the side-rotation adjustment wire. Two side-rotation adjustment wires and one forceps head adjustment wire are inserted inside the long catheter. One end of the forceps head adjustment wire is connected to the middle of the V-shaped spring plate connecting the two forceps heads in the same group, and the other end of the forceps head adjustment wire is connected to the traction rod at the top of the left-hand handpiece.

[0005] The outer U-shaped head has a connecting protrusion in the middle of its surface, and a first short shaft is installed on both the upper and lower surfaces of the connecting protrusion. The outer U-shaped head has an inner U-shaped head inside, and the second short shafts located on both sides of the inner U-shaped head are rotatably connected to the inner wall of the outer U-shaped head through bearings. One end of one first short shaft and one end of the other second short shaft are respectively assembled with worm gears in two drive mechanisms. Each worm gear is driven by the spiral structure surface at the corresponding position on the side rotation control wire, and the other end of the side rotation control wire is rotatably connected to the inner wall of the housing structure of the drive mechanism.

[0006] Preferably, a driving mechanism is fixedly connected to one side wall of the outer U-shaped head, and another driving mechanism is fixedly connected to the side wall of one end of the long conduit.

[0007] Preferably, the drive mechanism further includes guide tubes, one end of which is connected to the interior of the long guide tube, and the other guide tube is connected to the interior of the channel located on the connecting protrusion. Corresponding side-rotation adjustment steel wire portions are inserted into the interior of both guide tubes.

[0008] Preferably, the spiral structure surface at the corresponding part of the side-rotation control wire is always in a straight line state perpendicular to the worm gear.

[0009] Preferably, the channel on the connecting protrusion has a side-rotation control wire portion and a clamp head control wire portion inserted inside.

[0010] Preferably, one end of the first short shaft is rotatably connected to the inner wall of the end groove located at one end of the long guide tube via a bearing.

[0011] Preferably, the perforated seat has three interconnected hole structures. The two hole structures on the upper and lower sides have a side-rotation adjustment steel wire inserted inside, and the hole structure in the middle has a clamp head adjustment steel wire inserted inside. One end of the hole structure is fixedly connected to the other end of the long guide tube.

[0012] The beneficial effects of this utility model are: by using two driving mechanisms to drive the connected outer U-shaped head and inner U-shaped head to a side-rotation state, the clamp head at the end of the vascular fixator can be adjusted at any angle. The side rotation of the clamp head removes the area of ​​the vascular fixator structure that obstructs the line of sight, ensuring an unobstructed field of vision for vascular fixation operations. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the external U-shaped head, drive mechanism, and clamp head connection structure of this utility model;

[0016] Figure 3 This is a top view of the external U-shaped head connection structure of this utility model.

[0017] In the diagram: 1. Right-hand hand-held mold; 2. Left-hand hand-held mold; 3. Pull rod; 4. Hinge connector; 5. Long guide tube; 510. End groove; 6. Outer U-shaped head; 610. Connecting protrusion; 611. First short shaft; 7. Drive mechanism; 710. Worm gear; 720. Guide tube; 8. Pliers head; 810. V-shaped spring plate; 9. Twisting head; 10. Through hole seat; 11. Inner U-shaped head; 1110. Second short shaft; 12. Pliers head adjustment wire; 13. Side rotation adjustment wire. Detailed Implementation

[0018] To make the objectives, features, and advantages of this utility model more apparent and understandable, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described below are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0019] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.

[0020] In the description of this utility model, it should be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0021] Please see Figure 1-3 As shown, an adjustable vascular tissue closure forceps includes a right-hand gripper 1, a left-hand gripper 2, a traction rod 3, a hinge connector 4, a long catheter 5, an outer U-shaped head 6, a drive mechanism 7, a forceps head 8, a screwing head 9, a perforation seat 10, an inner U-shaped head 11, a forceps head adjustment wire 12, and a side-rotation adjustment wire 13. A screwing head 9 is rotatably mounted on one side of the perforation seat 10 at the top of the right-hand gripper 1, with one end of the screwing head 9 connected to one end of the side-rotation adjustment wire 13. Two sections of the side-rotation adjustment wire 13 and one section of the forceps head adjustment wire 12 are inserted inside the long catheter 5. One end of the forceps head adjustment wire 12 is connected to the middle of a V-shaped spring plate 810 connecting two forceps heads 8 in the same group, and the other end of the forceps head adjustment wire 12 is connected to the traction rod 3 at the top of the left-hand gripper 2.

[0022] The outer U-shaped head 6 has a connecting protrusion 610 in the middle of its surface, and a first short shaft 611 is installed on both the upper and lower surfaces of the connecting protrusion 610. The outer U-shaped head 6 has an inner U-shaped head 11 inside, and the second short shafts 1110 located on both sides of the inner U-shaped head 11 are rotatably connected to the inner wall of the outer U-shaped head 6 through bearings. One end of one first short shaft 611 and one end of the other second short shaft 1110 are respectively assembled with the worm gears 710 in the two drive mechanisms 7. Each worm gear 710 is connected to the spiral structure surface at the corresponding position on the side rotation control wire 13, and the other end of the side rotation control wire 13 is rotatably connected to the inner wall of the housing structure of the drive mechanism 7.

[0023] Furthermore, a drive mechanism 7 is fixedly connected to one side wall of the outer U-shaped head 6, and another drive mechanism 7 is fixedly connected to the side wall of one end of the long conduit 5. Through the two drive mechanisms 7, the driving and direction adjustment effect at the two parts can be achieved.

[0024] Furthermore, the drive mechanism 7 also includes a guide tube 720. One end of the guide tube 720 is connected to the inside of the long guide tube 5, and the other guide tube 720 is connected to the inside of the channel located on the connecting protrusion 610. The two guide tubes 720 are each inserted with a corresponding side-turn adjustment steel wire 13 to realize the insertion and release of steel wires corresponding to each function.

[0025] like Figure 2 As shown, the spiral structure surface at the corresponding part of the side-rotation control wire 13 is always in a straight line perpendicular to the worm gear 710, ensuring the effectiveness of the transmission connection between the spiral structure surface and the worm gear 710.

[0026] Furthermore, the connecting protrusion 610 has a side-turn adjustment wire 13 and a clamp head adjustment wire 12 inserted into the channel.

[0027] Furthermore, one end of the first short shaft 611 is rotatably connected to the inner wall of the end groove 510 located at one end of the long guide tube 5 via a bearing.

[0028] Furthermore, the perforated seat 10 is provided with three interconnected hole structures. The two hole structures located on the upper and lower sides have a side-rotation adjustment steel wire 13 inserted inside, and the hole structure located in the middle has a clamp head adjustment steel wire 12 inserted inside. One end of the hole structure is fixedly connected to the other end of the long guide tube 5.

[0029] Working principle:

[0030] 1. Working mode of clamp head 8: Press the left hand-held shaping part 2 inward, so that the pull rod 3 connected to its top pulls the clamp head adjusting wire 12 to the left, so as to achieve the effect of putting the V-shaped spring piece 810 in the closed state, realizing the opening and closing of the upper and lower clamp heads 8;

[0031] II. Working principle of the two drive mechanisms 7: combined Figure 1 As shown, the rotation of the upper side-rotation control wire 13 is in a rotating state, which causes the spiral structure surface of the side-rotation control wire 13 to drive the corresponding worm gear 710 to rotate, thereby driving the first short shaft 611 to rotate, and realizing the left and right range of side rotation of the outer U-shaped head 6 connected to the first short shaft 611.

[0032] Rotating the other side-rotation control wire 13 located at the lower end puts it in a rotating state, causing the spiral structure surface of the side-rotation control wire 13 to drive the corresponding worm gear 710 to rotate, thereby driving the second short shaft 1110 to rotate, and realizing the side rotation of the inner U-shaped head 11 connected to the second short shaft 1110 within the upper and lower range.

[0033] In summary: By using two drive mechanisms 7 to drive the connected outer U-shaped head 6 and inner U-shaped head 11 to a side-rotation state, the clamp head 8 at the end of the vascular fixator can be adjusted at any angle. The side rotation of the clamp head 8 removes the obstruction of the field of vision area of ​​the vascular fixator structure, ensuring an unobstructed field of vision for vascular fixation operations.

[0034] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0035] The above-described embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A vascular tissue closure clamp adjustable at any angle, characterized in that: The device includes a right-hand gripper (1), a left-hand gripper (2), a pull rod (3), a hinge connector (4), a long guide tube (5), an outer U-shaped head (6), a drive mechanism (7), a clamp head (8), a screwing head (9), a perforated seat (10), an inner U-shaped head (11), a clamp head adjusting wire (12), and a side-turn adjusting wire (13). A screwing head (9) is rotatably mounted on one side of the perforated seat (10) at the top of the right-hand gripper (1), and the screwing head... (9) One end is connected to one end of the side-turn control wire (13). Two side-turn control wires (13) and one clamp head control wire (12) are inserted inside the long guide tube (5). One end of the clamp head control wire (12) is connected to the middle of the V-shaped spring plate (810) between the two clamp heads (8) in the same group, and the other end of the clamp head control wire (12) is connected to the pull rod (3) at the top of the left hand-held mold (2). The outer U-shaped head (6) has a connecting protrusion (610) in the middle of its surface, and a first short shaft (611) is installed on both the upper and lower surfaces of the connecting protrusion (610). The outer U-shaped head (6) has an inner U-shaped head (11) inside, and the second short shafts (1110) located on both sides of the inner U-shaped head (11) are rotatably connected to the inner wall of the outer U-shaped head (6) through bearings. One end of one first short shaft (611) and one end of the other second short shaft (1110) are respectively assembled with the worm gears (710) in the two drive mechanisms (7). Each worm gear (710) is connected to the spiral structure surface at the corresponding part of the side rotation control wire (13), and the other end of the side rotation control wire (13) is rotatably connected to the inner wall of the housing structure of the drive mechanism (7).

2. The adjustable vascular tissue closure clamp according to claim 1, characterized in that: One drive mechanism (7) is fixedly connected to the side wall of one side of the outer U-shaped head (6), and the other drive mechanism (7) is fixedly connected to the side wall of one end of the long conduit (5).

3. The adjustable vascular tissue closure clamp according to claim 1, characterized in that: The drive mechanism (7) also includes a guide tube (720), one end of which is connected to the inside of the long guide tube (5), and the other guide tube (720) is connected to the inside of the channel located on the connecting protrusion (610). Both guide tubes (720) have corresponding side-turn adjustment wires (13) inserted inside them.

4. The adjustable vascular tissue closure clamp according to claim 1, characterized in that: The spiral structure surface at the corresponding part of the side-rotation control wire (13) is always in a straight line state perpendicular to the worm gear (710).

5. The adjustable vascular tissue closure clamp according to claim 1, characterized in that: The connecting protrusion (610) has a side-turn control wire (13) and a clamp head control wire (12) inserted into the hole.

6. The adjustable vascular tissue closure clamp according to claim 1, characterized in that: One end of the first short shaft (611) is rotatably connected to the inner wall of the end groove (510) located at one end of the long conduit (5) via a bearing.

7. The adjustable vascular tissue closure clamp according to claim 1, characterized in that: The perforated seat (10) has three interconnected hole structures. The two hole structures on the upper and lower sides have a side-rotation control wire (13) inserted inside, and the hole structure in the middle has a clamp head control wire (12) inserted inside. One end of the hole structure is fixedly connected to the other end of the long guide tube (5).

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