A vascular clamp with both blood flow blocking and apposition functions

Abstract

The present invention relates to a vascular clamp with both blood flow blocking and aligning functions. The vascular clamp with both blood flow blocking and aligning functions comprises two symmetrical clamp bodies, each comprising a clamp rod, a handle, and a clamp head. The two clamp rods are connected by staggered rotation via a connecting piece, and a rotating portion is provided on the surface of the clamp rod. When the two sets of handles are placed horizontally, the clamp rod with the clamp head can move up and down around the rotating portion. The two sets of clamp heads are concave arc-shaped rod bodies, and a clamp head is provided at one end away from the clamp rod. The present invention cooperates with the clamping portion, the slide assembly, and the adjustment assembly to adjust and fix the angle position of the clamp head while blocking blood flow, so that the blood vessels are aligned, which can better improve the field of view of the surgical site and minimize the tension of the blood vessels at both ends, thereby facilitating the success and safety of the surgery.

Description

Technical Field

[0001] The present invention belongs to the technical field of medical devices, and in particular relates to a vascular clamp with both blood flow blocking and apposition functions. Background Art

[0002] During and before vascular anastomosis surgery, two aspects of work need to be done. First, during the anastomosis process, continuous blood flow blocking is required to ensure a clear surgical field of view, anastomosis quality, and surgical safety. Second, during the anastomosis process, the two ends of the blood vessels to be anastomosed need to be aligned to facilitate trimming of the anastomosis. At the same time, the tension of the two broken ends of the blood vessels toward both sides during the anastomosis process can be reduced to ensure the success and safety of the operation.

[0003] Currently, blood flow is often blocked by blocking clips during surgery. Although this solves the problem of blood flow blockage, the two blocking clips are completely unrelated and cannot achieve alignment, thus failing to resolve the pain point of alignment difficulties during clinical surgery. Summary of the Invention

[0004] The purpose of the present invention is to provide a vascular clamp with a simple structure and reasonable design in order to solve the above problems and to have both blood flow blocking and apposition functions.

[0005] The present invention achieves the above-mentioned purpose through the following technical solutions:

[0006] A vascular clamp with both blood flow blocking and anastomosis functions comprises two symmetrical clamp bodies, each comprising a clamp rod, a handle and a clamp head. The two clamp rods are connected in an interlaced and rotatable manner by a connecting piece, and a rotating portion is provided on the surface of the clamp rod. When the two sets of handles are placed horizontally, the clamp rod with the clamp head can move up and down around the rotating portion. The two sets of clamp heads are concave arc-shaped rod bodies, and a clamping portion is provided on the end of the clamp head away from the clamp rod.

[0007] As a further optimized solution of the present invention, the clamping portion can rotate at the end of the pliers head, and the direction of the rotation axis is perpendicular to the direction of the horizontally placed handle.

[0008] As a further optimization solution of the present invention, the clamping portion comprises at least a movable clamping plate and a fixed clamping plate which can move closer to or farther away from each other, and the moving direction of the movable part in the clamping portion is perpendicular to the direction of the horizontally placed handle.

[0009] As a further optimization solution of the present invention, the fixed clamp is fixedly connected to the clamp head, and the movable clamp is rotatably connected to the clamp head by providing a rotating member.

[0010] As a further optimization scheme of the present invention, the rotating part includes a U-shaped seat fixedly mounted on the upper end face of the pliers head, and the top of the U-shaped seat is rotatably connected to the movable splint by setting a No. 3 rotating shaft, and a spring part is fixedly connected between the top of the movable splint and the pliers head.

[0011] As a further optimization solution of the present invention, two symmetrical pull ropes are provided under the pliers body, and the pull ropes are fixedly connected to the pliers heads on the same side. A return member is provided on the surface of the pliers body to reset the pliers body around the rotating part.

[0012] As a further optimization solution of the present invention, the return member includes a torsion spring sleeved on the outer surface of the rotating part, one end of the torsion spring abuts against the clamp rod, and the other end of the torsion spring abuts against the clamp head.

[0013] As a further optimization scheme of the present invention, the return member includes two groups of symmetrical No. 1 slides, the No. 1 slides are slidably connected to the pliers head on the same side, and the pliers head can rotate along the No. 1 slide. A No. 2 slide is arranged between the two groups of No. 1 slides, and the No. 1 slide and the No. 2 slide are arranged vertically. Symmetrical arc grooves are opened on both sides of the No. 2 slide, and the No. 1 slide is slidably installed inside the arc groove, and the top of the arc groove is fixedly connected to the return spring, the lower end of the return spring is fixedly connected to the No. 1 slide, and the lower end face of the No. 2 slide is fixedly connected to a rope loop, and the lower end of the connecting member is rotatably connected to the rope loop, column grooves begin to have column grooves on both sides of the rope loop, and the pull rope slides through the column grooves.

[0014] As a further optimization solution of the present invention, a pull ring is fixedly connected to the position of the pull rope close to the handle.

[0015] As a further optimization scheme of the present invention, a fixing part is provided at the end of the rope loop close to the pull ring, which can compress the pull rope. The fixing part includes a slide groove opened on the left side of the rope loop. The slide groove is vertically arranged and connected to the columnar groove. A pressure plate is slidably connected inside the slide groove, and a card bead is fixedly connected to the right side of the outer surface of the pressure plate. A card groove is opened on the inner surface of the slide groove, and the card bead is embedded in the card groove.

[0016] The beneficial effect of the present invention is that: by arranging the clamping part, the sliding seat assembly and the adjustment assembly in coordination, the present invention can adjust and fix the angle position of the clamp head while blocking the blood flow, so that the blood vessels are aligned, which can better improve the field of view of the surgical site, and at the same time minimize the tension of the blood vessels at both ends, which is conducive to the success and safety of the operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of Example 1 of the present invention;

[0018] Figure 2 is a top view of embodiment 1 of the present invention;

[0019] Figure 3is a side view of embodiment 1 of the present invention;

[0020] Figure 4 It is a structural schematic diagram of the clamping portion of the present invention;

[0021] Figure 5 It is a structural schematic diagram of the first rotating shaft of the present invention;

[0022] Figure 6 This is a schematic structural diagram of a specific implementation method in Example 2 of the present invention;

[0023] Figure 7 is a partial structural diagram of Example 2 of the present invention;

[0024] Figure 8 It is a structural diagram of the rope loop, the pull rope and the pull ring of the present invention;

[0025] Figure 9 This invention Figure 7 Enlarged view of point A in the middle;

[0026] Figure 10 It is a structural schematic diagram of the fixing member of the present invention.

[0027] In the figure: 11. Clamp rod; 12. Handle; 13. Clamp head; 21. Mounting hole; 22. Rotating shaft No. 1; 23. Frosted layer; 31. Slide No. 1; 32. Arc groove; 33. Slide No. 2; 41. Pull rope; 42. Rope loop; 43. Pull ring; 44. Column groove; 45. Rotating spring; 5. Rotating shaft No. 2; 61. Movable splint; 62. Fixed splint; 71. Pressure plate; 72. Card bead; 73. Card groove; 74. Slide groove; 81. T-shaped slider; 82. T-shaped slot; 93. Spring member; 94. U-shaped seat; 95. Rotating shaft No. 3; 10. Tooth block. DETAILED DESCRIPTION

[0028] The present application is described in further detail below in conjunction with the accompanying drawings. It is necessary to point out that the following specific implementation methods are only used to further illustrate the present application and cannot be understood as limiting the scope of protection of the present application. Technicians in this field can make some non-essential improvements and adjustments to the present application based on the above application content.

[0029] Example 1

[0030] like Figure 1-Figure 5As shown, a vascular forceps with both blood flow blocking and matching functions includes two symmetrical forceps bodies, the forceps bodies including a forceps rod 11, a handle 12 and a forceps head 13, the two forceps rods 11 are connected in an interlaced rotation by setting a connecting piece, the connecting piece includes a mounting hole 21 opened at the staggered position of the two forceps rods 11, a No. 1 rotating shaft 22 is rotatably connected in the mounting hole 21, and a frosted layer 23 is provided on both sides of the outer surface of the No. 1 rotating shaft 22, and a rotating part is provided on the surface of the forceps rod 11, the rotating part includes a No. 2 rotating shaft 5 rotatably inserted at the forceps rod 11 and the forceps head 13, when the two sets of handles 12 are placed horizontally, the forceps rod 11 with the forceps head 13 can move up and down around the rotating part, the two sets of forceps heads 13 are concave arc-shaped rod bodies, and a space is formed in the middle of the two sets of forceps heads 13 to provide a field of view for surgery, and a clamping part is provided at the end of the forceps head 13 away from the forceps rod 11.

[0031] In this solution, the frosted layer 23 is actually a friction structure. In actual use, other existing resistance structures can also be used to increase the corresponding rotation resistance, thereby improving the feel and stability of use.

[0032] Furthermore, the clamping portion can rotate at the end of the pliers head 13 , and the direction of the rotation axis is perpendicular to the direction of the horizontally placed handle 12 .

[0033] The rotation can be in the form of the clamping part being an independent form that is rotatably connected to the pliers head 13. The rotation connection method can adopt any existing form. The simplest one is to set a corresponding shaft. The axial direction of the shaft is also perpendicular to the plane when the two sets of handles 12 are placed horizontally as the reference plane.

[0034] Furthermore, the clamping portion at least includes a movable clamping plate 61 and a fixed clamping plate 62 that can move closer to or farther away from each other, and the moving direction of the movable part in the clamping portion is perpendicular to the direction of the horizontally placed handle 12.

[0035] In this solution, the clamping part is actually a pair of forceps or other structures for clamping the blood vessel. In actual use, the rotation of the clamping part in the X-axis direction (rotation within the plane of the reference plane) or the Y-axis direction (rotation within the plane perpendicular to the reference plane) of the reference plane can be manual, or it can be driven by corresponding automatic control components based on the actual technological level, such as a small motor component, which is very flexible and convenient.

[0036] Specifically, in this embodiment, a manual clamping method is provided, but the protection scope of this application is not limited to the manual clamping form of the clamping part. The fixed clamp 62 is fixedly connected to the clamp head 13, and the movable clamp 61 is rotatably connected to the clamp head 13 by setting a rotating part.

[0037] Specifically, the rotating part includes a U-shaped seat 94 fixedly mounted on the upper end surface of the pliers head 13, and the top of the U-shaped seat 94 is rotatably connected to the movable splint 61 by setting a third rotating shaft 95, and a spring part 93 is fixedly connected between the top of the movable splint 61 and the pliers head 13.

[0038] Specifically, the sides of the movable splint 61 and the fixed splint 62 opposite to each other are fixedly connected with evenly distributed tooth blocks 10 , and the ends of the tooth blocks 10 are configured to be arc-shaped.

[0039] In this embodiment, it should be noted that: when in use, the vascular clamp can be used by multiple people or by a single person multiple times. Specifically, the medical staff holds the handle 12 and moves the handle 12 according to the position of the blood vessel to be anastomosed, so that the clamp rod 11 rotates around the first rotation axis 22, opens the clamp head 13, and moves the clamping part at the end of the clamp head 13 to the blood vessel to be anastomosed. Then, the movable splint 61 in the clamping part is pressed to open the movable splint 61, and at this time the spring member 93 is compressed, and then the blood vessel is located between the movable splint 61 and the fixed splint 62. Then, the movable splint 61 is released, and the compressed spring member 93 rebounds, driving the movable splint 61 to reset and clamp the blood vessel to complete the blockage of blood flow.

[0040] After blocking the blood flow, medical personnel can adjust the position of the clamp head 13 in the horizontal direction by moving the handle 12, the clamp rod 11 and the clamp head 13, so that the two blood vessels are close to each other. In addition, by setting the second rotating shaft 5, the clamp head 13 can be rotated up and down around the second rotating shaft 5, and the position of the clamp head 13 can be adjusted in the vertical direction to further align the two blood vessels, so as to facilitate the anastomosis of the blood vessels.

[0041] By arranging tooth blocks 10 on the movable splint 61 and the fixed splint 62, the friction between the movable splint 61 and the fixed splint 62 can be increased, thereby preventing the blood vessels from falling off when clamping the blood vessels. In addition, by setting the end of the tooth block 10 to an arc shape, it is possible to avoid scratching the blood vessels during clamping, thereby improving the safety of the operation.

[0042] Example 2

[0043] like Figure 6 、 Figure 8 As shown, on the basis of Example 1, in order to make it more convenient for single person to use, the following settings can be made: two symmetrical pull ropes 41 are provided under the pliers body, and the pull ropes 41 are fixedly connected to the pliers head 13 on the same side, and a return member is provided on the surface of the pliers body, which can reset the pliers body around the rotating part.

[0044] Furthermore, a pull ring 43 is fixedly connected to the pull rope 41 near the handle 12 .

[0045] In this embodiment, it should be noted that: by providing a pull rope 41 under the clamp body, when the medical staff holds the clamp body with the thumb and index finger, they can pass the other fingers through the pull ring 43 and pull the pull rope 41, thereby driving the clamp head 13 to move around the rotating part to adjust the position of the blood vessel, and by providing a return member, when the pull rope 41 is released, the return member can drive the clamp head 13 to reset.

[0046] The following is one way to implement a reply:

[0047] Reference Figure 6 and Figure 7 The return member includes a torsion spring sleeved on the outer surface of the rotating portion, one end of the torsion spring abuts against the clamp rod 11, and the other end of the torsion spring abuts against the clamp head 13.

[0048] In this embodiment, when the pull rope 41 drives the pliers head 13 to rotate, the torsion spring is deformed. When the pull rope 41 is released, the torsion spring is acted upon by its own restoring force, driving the pliers head 13 to reset.

[0049] Here is another way to implement the reply:

[0050] like Figures 6-10 As shown, the return member includes two groups of symmetrical No. 1 slides 31, the No. 1 slides 31 are slidably connected to the pliers head 13 on the same side, and the pliers head 13 can rotate along the No. 1 slide 31, and a No. 2 slide 33 is arranged between the two groups of No. 1 slides 31, and the No. 1 slide 31 and the No. 2 slide 33 are arranged vertically, and symmetrical arc grooves 32 are opened on both sides of the No. 2 slide 33, and the No. 1 slide 31 is slidably installed inside the arc groove 32, and the top of the arc groove 32 is fixedly connected to the return spring 45, the lower end of the return spring 45 is fixedly connected to the No. 1 slide 31, the lower end surface of the No. 2 slide 33 is fixedly connected to the rope loop 42, and the lower end of the connecting member is rotatably connected to the rope loop 42, and column grooves 44 begin to be provided on both sides of the rope loop 42, and the pull rope 41 slides through the column groove 44.

[0051] A T-shaped slider 81 is fixedly connected to the bottom of the No. 1 slide 31, and a T-shaped slot 82 that is compatible with the T-shaped slider 81 is opened on the left side of the pliers head 13, and the T-shaped slider 81 is slidably embedded in the T-shaped slot 82, so that the pliers head 13 can move along the T-shaped slider 81, so that the pliers head 13 can rotate around the No. 1 rotating shaft 22.

[0052] Furthermore, a fixing piece is provided at the end of the rope loop 42 near the pull ring 43 to compress the pull rope 41. The fixing piece includes a slide groove 74 provided on the left side of the rope loop 42. The slide groove 74 is vertically provided and communicates with the columnar groove 44. A pressure plate 71 is slidably connected to the inside of the slide groove 74, and a card bead 72 is fixedly connected to the right side of the outer surface of the pressure plate 71. A card groove 73 is provided on the inner surface of the slide groove 74, and the card bead 72 is embedded in the card groove 73.

[0053] In this embodiment, the second form mentioned above is adopted to better provide operational stability. When the medical staff pulls the pull rope 41, the forceps head 13 and the No. 1 slide 31 will be driven to move along the arc groove 32 on the No. 2 slide 33, and the rotary spring 45 located at the top of the arc groove 32 will be stretched. When the pull rope 41 is released, the forceps head 13, the No. 1 slide 31 and the pull rope 41 can be reset under the elastic force of the rotary spring 45. By setting the No. 1 slide 31 to cooperate with the No. 2 slide 33, the forceps head 13 can be more stable when moving.

[0054] By setting a fixing part, the pressure plate 71 can be pressed so that the card bead 72 on the pressure plate 71 is embedded in the card slot 73, and the bottom of the pressure plate 71 is fastened to the pull rope 41, thereby fixing the pull rope 41 to achieve the effect of maintaining the angle of the clamp head 13 for a long time, making it convenient for medical personnel to anastomose the blood vessels.

[0055] Example 3

[0056] In the structure of the above-mentioned embodiment 2, the pull rope 41 can be set as two parts, one part is the rope body part, which is still fixedly connected to the pliers head 13 on the same side and enters the rope loop 42, and the other part is replaced by a screw member in the rope loop 42, and the screw member is rotatably connected to the rope body part of the previous part (a rotating structure such as a swivel can be added). Similarly, the inner wall of the rope loop 42 is set as a threaded structure, that is, by rotating the screw member, the position of the connection between the rope body part and the screw member is adjusted, thereby adjusting the position of the pliers head 13. In this embodiment, the threaded adjustment method is more stable than that of embodiment 2.

[0057] The above-described embodiments merely illustrate several implementations of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art would be able to make numerous variations and improvements without departing from the spirit of the present invention, and all such variations and improvements fall within the scope of protection of the present invention.

Claims

1. A vascular clamp with both blood flow blocking and apposition functions, comprising two mutually symmetrical clamp bodies, characterized in that: The pliers body includes a pliers rod, a handle and a pliers head. The two pliers rods are connected by a staggered connection through a connecting piece, and a rotating part is provided on the surface of the pliers rod. When the two sets of handles are placed horizontally, the pliers rod with the pliers head can move up and down around the rotating part. The two sets of pliers heads are concave arc-shaped rods, and a clamping part is provided on the end of the pliers head away from the pliers rod. Two symmetrical pull ropes are provided below the pliers body, and the pull ropes are fixedly connected to the pliers heads on the same side. A return member is provided on the surface of the pliers body to reset the pliers body around the rotating part. Among them, the return member includes two groups of symmetrical No. 1 slides, the No. 1 slides are slidably connected to the pliers head on the same side, and the pliers head can rotate along the No. 1 slide, and a No. 2 slide is arranged between the two groups of No. 1 slides, and the No. 1 slide and the No. 2 slide are arranged vertically, and symmetrical arc grooves are opened on both sides of the No. 2 slide, and the No. 1 slide is slidably installed inside the arc groove, and the top of the arc groove is fixedly connected to the return spring, the lower end of the return spring is fixedly connected to the No. 1 slide, and the lower end surface of the No. 2 slide is fixedly connected to a rope loop, and the lower end of the connecting member is rotatably connected to the rope loop, column grooves are opened on both sides of the rope loop, and the pull rope slides through the column groove.

2. A vascular clamp with both blood flow blocking and apposition functions according to claim 1, characterized in that: The clamping portion can rotate at the end of the pliers head, and the direction of the rotation axis is perpendicular to the direction of the horizontally placed handle.

3. The vascular clamp with both blood flow blocking and apposition functions according to claim 2, characterized in that: The clamping portion at least comprises a movable clamping plate and a fixed clamping plate which can move closer to or farther away from each other, and the moving direction of the movable part in the clamping portion is perpendicular to the direction of the horizontally placed handle.

4. The vascular clamp with both blood flow blocking and apposition functions according to claim 3, characterized in that: The fixed clamp is fixedly connected to the clamp head, and the movable clamp is rotatably connected to the clamp head by providing a rotating member.

5. The vascular clamp with both blood flow blocking and apposition functions according to claim 4, characterized in that: The rotating part includes a U-shaped seat fixedly mounted on the upper end surface of the clamp head, and the top of the U-shaped seat is rotatably connected to the movable splint by setting a third rotating shaft, and a spring part is fixedly connected between the top of the movable splint and the clamp head.

6. The vascular clamp with both blood flow blocking and apposition functions according to claim 5, characterized in that: The pull rope is fixedly connected with a pull ring at a position close to the handle.

7. The vascular clamp with both blood flow blocking and apposition functions according to claim 6, characterized in that: The end of the rope loop close to the pull ring is provided with a fixing part, which can compress the pull rope. The fixing part includes a slide groove opened on the left side of the rope loop. The slide groove is vertically arranged and connected to the columnar groove. A pressure plate is slidably connected inside the slide groove, and a card bead is fixedly connected to the right side of the outer surface of the pressure plate. A card groove is opened on the inner surface of the slide groove, and the card bead is embedded in the card groove.

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