Vascular tissue closing forceps capable of being adjusted at any angle

Abstract

The invention discloses vascular tissue closing forceps capable of being adjusted at any angle, and relates to the field of medical equipment, and the vascular tissue closing forceps comprise a right hand-held part, a left hand-held part, 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 regulation and control steel wire and a lateral rotation regulation and control steel wire. The blood vessel fixator has the advantages that the two driving mechanisms are used for driving the connected outer U-shaped head and the connected inner U-shaped head to be in a lateral rotation state, the forceps heads at the ends of the blood vessel fixator can be adjusted at any angle, and the sight blocking area of the structural part of the blood vessel fixator 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] The invention relates to the field of medical instruments and equipment, in particular to a vascular tissue closing forceps capable of adjusting any angle. Background Art

[0002] The vascular tissue closing forceps clamp the hemostatic clip on the blood vessel to stop the bleeding. However, the existing vascular tissue closing forceps have a clamp head at the end, which can only be opened and closed, and cannot be adjusted sideways. There is a serious problem of obstruction of the operating field, so that the operating doctor can only adjust the whole body sideways to observe the clamping part, which is extremely inconvenient to operate. Therefore, in order to solve the above problem, a vascular tissue closing forceps that can be adjusted to any angle is proposed. Summary of the invention

[0003] The purpose of the present invention is to provide a vascular tissue closing forceps which can be adjusted to any angle in order to solve the above problems.

[0004] The present invention achieves the above-mentioned purpose through the following technical scheme: a vascular tissue closing forceps adjustable to any angle, comprising a right-hand grip, a left-hand grip, a pulling rod, a hinge connector, a long catheter, an outer U-shaped head, a driving mechanism, a clamp head, a screwing head, a perforated seat, an inner U-shaped head, a clamp head regulating wire and a side-rotating regulating wire, a screwing head is rotatably installed on one side of the perforated seat located at the top of the right-hand grip, and one end of the screwing head is connected to one end of the side-rotating regulating wire, two side-rotating regulating wire parts and a clamp head regulating wire part are inserted into the long catheter, one end of the clamp head regulating wire is connected to the middle part of the V-shaped rebound sheet connected between two clamp heads in the same group, and the other end of the clamp head regulating wire is connected to the pulling rod located at the top of the left-hand grip; A connecting protrusion is provided in the middle of the surface of the outer U-shaped head, and a first short shaft is installed on the upper and lower sides of the connecting protrusion. An inner U-shaped head is provided inside the outer U-shaped head, 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 the first short shaft and one end of the second short shaft are respectively assembled with worm gears in two driving mechanisms, each of the worm gears is transmission-connected to the spiral structure surface at the corresponding position on the side-turn regulating wire, and the other end of the side-turn regulating wire is rotatably connected to the inner wall of the shell structure of the driving mechanism.

[0005] Preferably, a side wall on one side of the outer U-shaped head is fixedly connected to a driving mechanism, and another driving mechanism is fixedly connected to a side wall at one end of the long conduit.

[0006] Preferably, the driving mechanism also includes a guide tube, 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, and corresponding side-turn regulating wire parts are inserted into the interiors of the two guide tubes.

[0007] Preferably, the spiral structure surface at the corresponding position on the side-turn regulating wire is always in a straight line state perpendicular to the worm gear.

[0008] Preferably, a side-rotation regulating wire portion and a clamp head regulating wire portion are inserted into the hole on the connecting protrusion.

[0009] 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 tube through a bearing.

[0010] Preferably, the perforated seat is provided with three interconnected hole structures, the side-turn regulating wire portions are inserted into the two hole structures located on the upper and lower sides, the clamp head regulating wire portion is inserted into the hole structure located in the middle, and the port at one end of the hole structure is fixedly connected to the port at the other end of the long catheter.

[0011] The beneficial effect of the present invention is that the connected outer U-shaped head and inner U-shaped head are driven to be in a lateral rotation state by means of two driving mechanisms, so that the clamp head at the end of the blood vessel fixator can be adjusted to any angle, and the visual area blocked by the structural part of the blood vessel fixator is moved out of the way by the lateral rotation of the clamp head, thereby ensuring the unobstructed visual area of ​​the blood vessel fixation operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0013] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the connection structure of the outer U-shaped head, the driving mechanism and the clamp head of the present invention; Figure 3 It is a top view of the external U-shaped head connection structure of the present invention.

[0014] In the figure: 1. right-hand holding piece; 2. left-hand holding piece; 3. pulling rod; 4. hinge connector; 5. long guide tube; 510. end groove; 6. outer U-shaped head; 610. connecting protrusion; 611. first short shaft; 7. driving mechanism; 710. worm gear; 720. guide tube; 8. pliers head; 810. V-shaped rebound sheet; 9. screwing head; 10. perforated seat; 11. inner U-shaped head; 1110. second short shaft; 12. pliers head regulating wire; 13. side turning regulating wire. DETAILED DESCRIPTION

[0015] In order to make the purpose, features and advantages of the present invention more obvious and easy to understand, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described below are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0016] The technical solution of the present invention is further described below with reference to the accompanying drawings and through specific implementation methods.

[0017] In the description of the present invention, it is necessary to understand that the orientations or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inside", "outside", etc. 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 that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0018] See also Figure 1-3 As shown, a vascular tissue closing forceps adjustable to any angle comprises a right-hand grip 1, a left-hand grip 2, a pulling rod 3, a hinge connector 4, a long catheter 5, an outer U-shaped head 6, a driving mechanism 7, a clamp head 8, a screwing head 9, a perforated seat 10, an inner U-shaped head 11, a clamp head regulating wire 12 and a side-rotating regulating wire 13, a screwing head 9 is rotatably mounted on one side of the perforated seat 10 located at the top of the right-hand grip 1, and one end of the screwing head 9 is connected to one end of the side-rotating regulating wire 13, two side-rotating regulating wire 13 parts and one clamp head regulating wire 12 part are inserted into the long catheter 5, one end of the clamp head regulating wire 12 is mutually connected to the middle part of the V-shaped rebound sheet 810 connected between two clamp heads 8 located in the same group, and the other end of the clamp head regulating wire 12 is connected to the pulling rod 3 located at the top of the left-hand grip 2; A connecting protrusion 610 is provided in the middle of the surface of the outer U-shaped head 6, and a first short shaft 611 is installed on the upper and lower sides of the connecting protrusion 610, an inner U-shaped head 11 is provided inside the outer U-shaped head 6, 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 the first short shaft 611 and one end of the second short shaft 1110 are respectively assembled with the worm gears 710 in the two driving mechanisms 7, each of the worm gears 710 is transmission-connected to the spiral structure surface at the corresponding position on the side-rotation regulating wire 13, and the other end of the side-rotation regulating wire 13 is rotatably connected to the inner wall of the shell structure of the driving mechanism 7.

[0019] Furthermore, a driving mechanism 7 is fixedly connected to the side wall of one side of the outer U-shaped head 6, and another driving mechanism 7 is fixedly connected to the side wall of one end of the long tube 5. Through the two driving mechanisms 7, the effect of driving and adjusting the direction at two locations is achieved.

[0020] Furthermore, the driving mechanism 7 also includes a guide tube 720, one end of which is connected to the interior of the long guide tube 5, and the other guide tube 720 is connected to the interior of the channel located on the connecting protrusion 610. Corresponding side-turn control steel wire 13 parts are inserted into the two guide tubes 720 to realize the insertion and release of the steel wire corresponding to each function.

[0021] like Figure 2 As shown, the spiral structure surface at the corresponding position on the side-turn regulating wire 13 is always in a straight line state perpendicular to the worm gear 710 , thereby ensuring the effectiveness of the transmission connection between the spiral structure surface and the worm gear 710 .

[0022] Furthermore, a portion of the side rotation regulating wire 13 and a portion of the clamp head regulating wire 12 are inserted into the hole on the connecting protrusion 610 .

[0023] 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 tube 5 through a bearing.

[0024] Furthermore, the perforated seat 10 is provided with three interconnected hole structures, and the side rotation regulating wire 13 is inserted into the two hole structures located on the upper and lower sides, and the clamp head regulating wire 12 is inserted into the hole structure located in the middle, and the port at one end of the hole structure is fixedly connected to the port at the other end of the long catheter 5.

[0025] Working principle: 1. Working mode of the pliers head 8: Grip the left-hand grip 2 inward, so that the pulling rod 3 connected to the top of the gripper head pulls the pliers head regulating wire 12 to the left, so as to put the V-shaped rebound sheet 810 in a closed state, thereby realizing the opening and closing of the upper and lower pliers heads 8; 2. Working mode of the two driving mechanisms 7: Combination Figure 1 As shown, a lateral rotation regulating wire 13 at the upper end is rotated so that the spiral structure surface of the lateral rotation regulating wire 13 drives the corresponding worm gear 710 to rotate, thereby driving the first short shaft 611 to rotate, and realizing the lateral rotation of the outer U-shaped head 6 connected to the first short shaft 611 to the left and right range; The other side-rotation regulating wire 13 at the lower end is rotated so that the spiral structure surface of the side-rotation regulating wire 13 drives 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; In summary, the two driving mechanisms 7 are used to drive the connected outer U-shaped head 6 and the inner U-shaped head 11 to be in a lateral rotation state, so that the clamp head 8 at the end of the blood vessel fixator can be adjusted to any angle. The lateral rotation of the clamp head 8 removes the visual area blocked by the structural part of the blood vessel fixator, thereby ensuring the unobstructed visual area of ​​the blood vessel fixation operation.

[0026] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations within the meaning and scope of the elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0027] As described above, the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features thereof may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A vascular tissue closing forceps capable of adjusting to any angle, characterized in that: The invention comprises a right-hand holding piece (1), a left-hand holding piece (2), a pulling rod (3), a hinge connection piece (4), a long catheter (5), an outer U-shaped head (6), a driving mechanism (7), a clamp head (8), a screwing head (9), a perforated seat (10), an inner U-shaped head (11), a clamp head regulating wire (12) and a side-rotating regulating wire (13), wherein a screwing head (9) is rotatably mounted on one side of the perforated seat (10) located at the top of the right-hand holding piece (1), and the screwing head (9) is rotatably mounted on the upper and lower sides of the perforated seat (10). (9) one end is connected to one end of the lateral rotation regulating wire (13), two lateral rotation regulating wire (13) parts and one clamp head regulating wire (12) part are inserted into the interior of the long catheter (5), one end of the clamp head regulating wire (12) is connected to the middle part of the V-shaped rebound sheet (810) connected between the two clamp heads (8) in the same group, and the other end of the clamp head regulating wire (12) is connected to the pulling rod (3) located at the top of the left hand-held molding (2); A connecting protrusion (610) is provided in the middle of the surface of the outer U-shaped head (6), and a first short shaft (611) is installed on the upper and lower surfaces of the connecting protrusion (610). An inner U-shaped head (11) is provided inside the outer U-shaped head (6), and 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 the first short shaft (611) and one end of the second short shaft (1110) are respectively assembled with worm gears (710) in two driving mechanisms (7). Each of the worm gears (710) is transmission-connected to a spiral structure surface at a corresponding position on the side-rotation regulating wire (13), and the other end of the side-rotation regulating wire (13) is rotatably connected to a portion of the inner wall of the housing structure of the driving mechanism (7).

2. The vascular tissue closing forceps capable of adjusting to any angle according to claim 1, characterized in that: A driving mechanism (7) is fixedly connected to a side wall on one side of the outer U-shaped head (6), and another driving mechanism (7) is fixedly connected to a side wall at one end of the long conduit (5).

3. The vascular tissue closing forceps capable of adjusting to any angle according to claim 1, characterized in that: The driving mechanism (7) further comprises a guide tube (720), one end of one guide tube (720) being in communication with the interior of the long guide tube (5), and the other guide tube (720) being in communication with the interior of a hole located on the connecting protrusion (610), and corresponding portions of the lateral rotation regulating wire (13) being inserted into the interiors of the two guide tubes (720).

4. The vascular tissue closing forceps capable of adjusting to any angle according to claim 1, characterized in that: The spiral structure surface at the corresponding position on the lateral rotation regulating wire (13) is always in a straight line state perpendicular to the worm wheel (710).

5. The vascular tissue closing forceps capable of adjusting to any angle according to claim 1, characterized in that: A portion of the side-rotation regulating steel wire (13) and a portion of the clamp head regulating steel wire (12) are inserted into the hole on the connecting protrusion (610).

6. The vascular tissue closing forceps capable of adjusting to any angle 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 guide tube (5) via a bearing.

7. The vascular tissue closing forceps capable of adjusting to any angle according to claim 1, characterized in that: The perforated seat (10) is provided with three interconnected hole structures, two hole structures located at the upper and lower sides have portions of a side-rotation regulating wire (13) inserted into them, a hole structure located in the middle has portions of a clamp head regulating wire (12) inserted into it, and a port at one end of the hole structure is fixedly connected to a port at the other end of the long catheter (5).

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