Vascular gripper for vascular surgery

Abstract

The utility model discloses a vascular surgery blood vessel holder, including lower forceps arm, upper forceps arm and shiatsu holding device, shiatsu holding device includes shiatsu head, fixed circular plate, connecting column, compression plate, connecting frame and contraction spring, shiatsu head is connected with fixed circular plate, connecting column passes through connecting frame, compression plate passes through the compression plate, the compression plate passes through the compression plate, the compression plate passes through the compression plate, the compression plate passes through the compression plate, the compression plate passes through the compression plate, the compression plate passes through the compression plate. The two ends of the connecting column are connected with the fixing circular plates and the compression plate respectively, the connecting frames are distributed between the symmetrically-distributed fixing circular plates, the contraction springs are installed in the connecting frames, and a sliding rod penetrates through the lower clamp arm and the upper clamp arm. The thumb and the index finger press the finger pressing head, so that the lower forceps arm and the upper forceps arm oppositely clamp a blood vessel, then the middle finger applies acting force to the poke rod, the sliding rod slides, the limiting plate penetrates through the connecting frame and the compression plate, at the moment, the lower forceps arm, the upper forceps arm and the compression plate are in a limited state, and then the lower forceps arm and the upper forceps arm are in a stable state. And the state of stably clamping the blood vessel can be kept.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical instruments, and in particular relates to a blood vessel clamp for vascular surgery. Background Art

[0002] Vascular surgery is a branch of surgery. In addition to hair, nails, cornea, etc., the human body has blood vessels throughout the body. Vascular surgery mainly focuses on the prevention, diagnosis and treatment of peripheral vascular diseases other than cerebrovascular and cardiac blood vessels. In the clinical treatment process of vascular surgery, clamping instruments are required to clamp blood vessels to stop bleeding. China's utility model authorized patent application number CN202022482825.5 discloses a vascular clamp for vascular surgery. Using instruments to clamp blood vessels to stop bleeding is a routine intraoperative operation in vascular surgery.

[0003] In clinical treatment of vascular surgery, hemostatic forceps are generally used to clamp blood vessels to stop bleeding. Specifically, the index finger and thumb are used to press the tail of the handle of the hemostatic forceps, and the tip of the forceps is clamped on the blood vessel that needs to stop bleeding to prevent blood from flowing out. In the above surgical operation, the doctor is required to keep the hemostatic forceps clamped, and if the doctor keeps the same posture for a long time, it will cause slight soreness and discomfort, which will affect the control of the hemostatic forceps, and the blood vessel cannot be clamped stably, which may easily cause minor damage to the blood vessel. When the hemostatic forceps are in use, there is a problem that the hemostatic forceps cannot maintain a stable clamping state of the blood vessel. For this reason, the present application proposes a vascular surgery blood vessel clamp. Utility Model Content

[0004] The utility model aims to provide a vascular surgical blood vessel clamp to solve the problem that the hemostatic forceps mentioned in the background technology cannot maintain a stable blood vessel clamping state.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vascular surgical blood vessel clamp, comprising a lower clamp arm, an upper clamp arm and a finger pressure clamping device, the finger pressure clamping device comprising a finger pressure head and a fixed circular plate, a connecting column and a compression plate, a connecting frame and a contraction spring, the finger pressure head is connected to the fixed circular plate, the connecting column passes through the connecting frame, the two ends of the connecting column are respectively connected to the fixed circular plate and the compression plate, the connecting frame is distributed between the symmetrically distributed fixed circular plates, the contraction spring is installed inside the connecting frame, a sliding rod passes through the lower clamp arm and the upper clamp arm, a connecting rod and a toggle rod are provided at the middle position of the sliding rod, a limiting plate is provided at the end of the connecting rod, a positioning groove is provided on the side of the connecting frame, a card slot is provided on the side of the compression plate, and a connecting bent plate is provided on the side of the connecting frame that is respectively connected to the lower clamp arm and the upper clamp arm.

[0006] Preferably, the lower clamp arm and the upper clamp arm both include a gripping portion and a connecting portion, the ends of the gripping portion are both bent outward, the connecting portion of the lower clamp arm and the connecting portion of the upper clamp arm are symmetrical, the connecting portion is a plate-like structure, one end of the connecting portion is bent, and the other end is bent and connected to a fixed ring.

[0007] Preferably, the inner side wall of the fixed circular ring of the lower clamp arm is provided with a hemispherical protrusion, the outer surface of the fixed circular plate is provided with a rotating ring groove adapted to the fixed circular ring, and the hemispherical protrusion is tangent to the outer surface of the fixed circular plate.

[0008] Preferably, the connecting bent plate is in a curved shape, and one end of the connecting bent plate away from the corner of the connecting frame is connected to the curved end of the lower clamp arm close to the fixed circular plate.

[0009] Preferably, the lower clamp arm and the upper clamp arm are provided with sliding grooves, the sliding rod passes through the sliding grooves, fixed balls are provided on both ends of the sliding rod, and the toggle rod is in a curved shape.

[0010] Preferably, the limiting plate and the compression plate are both "U"-shaped structures, and the positioning groove is in the shape of a rectangular groove with one end being wide and the other end being narrow.

[0011] Preferably, the outer surface of the compression plate matches the inner surface of the connection frame, a limiting column is provided at the center of the inner surface of the compression plate, and both ends of the contraction spring are respectively sleeved on the outer side of the limiting column.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] In the utility model, the thumb and index finger press the finger pressure head to make the lower clamp arm and the upper clamp arm relatively clamp the blood vessel, and then the middle finger applies force to the toggle rod to make the slide rod slide, and the limit plate penetrates the connecting frame and the compression plate. At this time, the lower clamp arm, the upper clamp arm and the compression plate are in a limited state, thereby making the lower clamp arm and the upper clamp arm in a stable state, and can maintain a stable state of clamping the blood vessel. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the top structure of the upper clamp arm of the utility model;

[0016] Figure 3 For the utility model Figure 1 A schematic diagram of the enlarged structure of the middle part A;

[0017] Figure 4 It is a three-dimensional structural schematic diagram of the compression plate of the utility model;

[0018] Figure 5It is a cross-sectional structural schematic diagram of the fixed circular plate of the utility model;

[0019] In the figure: 1, lower clamp arm; 2, upper clamp arm; 4, connecting frame; 5, contraction spring; 6, connecting bent plate; 7, sliding rod; 8, connecting rod; 9, limit plate; 11, hemispherical protrusion; 31, finger pressure head; 32, fixed circular plate; 33, connecting column; 34, compression plate; 41, positioning groove; 71, toggle rod; 341, limit column; 342, card slot. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example

[0022] See also Figures 1 to 5The utility model provides a technical solution: a vascular surgical blood vessel clamp, comprising a lower clamp arm 1, an upper clamp arm 2 and a finger pressure clamping device, the clamp heads of the lower clamp arm 1 and the upper clamp arm 2 clamp the blood vessel to achieve the effect of hemostasis; the finger pressure clamping device comprises a finger pressure head 31 and a fixed circular plate 32, a connecting column 33 and a compression plate 34, a connecting frame 4 and a contraction spring 5, the finger pressure head 31 is connected to the fixed circular plate 32, the finger pressure head 31 is welded to the fixed circular plate 32, the connecting column 33 passes through the connecting frame 4, the two ends of the connecting column 33 are respectively connected to the fixed circular plate 32 and the compression plate 34, and the connecting The column 33 is welded to the fixed circular plate 32, and the connecting column 33 is bonded to the compression plate 34 by strong glue. When the clamp heads of the lower clamp arm 1 and the upper clamp arm 2 clamp the blood vessel, the thumb and the index finger press the finger pressure head 31 respectively, and the fixed circular plate 32 drives the lower clamp arm 1 and the upper clamp arm 2 to clamp the blood vessel. The compression plate 34 compresses the contraction spring 5, and the middle finger applies a force to the toggle rod 71 to make the slide bar 7 slide. The limit plate 9 penetrates the connecting frame 4 and the compression plate 34. At this time, the finger pressure head 31, the fixed circular plate 32, the connecting column 33 and the compression plate 34 are in a limited state, so that the lower clamp arm 1 and the upper clamp arm 2 is in a stable state and can maintain a stable state of clamping the blood vessel; the connecting frame 4 is distributed between the symmetrically distributed fixed circular plates 32, the connecting frame 4 is a frame structure, the contraction spring 5 is installed inside the connecting frame 4, the lower clamp arm 1 and the upper clamp arm 2 are penetrated by a slide bar 7, the slide bar 7 can slide to change the position, the middle position of the slide bar 7 is provided with a connecting rod 8 and a toggle rod 71, the connecting rod 8 and the toggle rod 71 are welded to the vertical slide bar 7, the connecting rod 8 and the toggle rod 71 are flush, the end of the connecting rod 8 is provided with a limit plate 9, the connecting rod 8 is welded to the limit plate 9, and the side of the connecting frame 4 is provided with a positioning groove 4 1, a slot 342 is provided on the side of the compression plate 34, and the limiting plate 9 passes through the positioning slot 41 and the slot 342 to limit the compression plate 34. A connecting bent plate 6 connected to the lower clamp arm 1 and the upper clamp arm 2 is provided on the side of the connecting frame 4. The connecting bent plate 6 connects the connecting frame 4 with the lower clamp arm 1 and the upper clamp arm 2 as a whole, so that the connecting frame 4 rotates in the same direction as the lower clamp arm 1 and the upper clamp arm 2. When the finger pressure head 31 is in a stable state of being pressed and immobile, the position of the toggle rod 71 can be changed to facilitate the slight change of the angle of the lower clamp arm 1 and the upper clamp arm 2, so as to facilitate the change of the position of the blood vessel to be clamped.

[0023] In this embodiment, the lower clamp arm 1 and the upper clamp arm 2 both include a gripping portion and a connecting portion, the ends of the gripping portions are both bent outward, the connecting portion of the lower clamp arm 1 and the connecting portion of the upper clamp arm 2 are symmetrical, the connecting portion is a plate-like structure, and one end of the connecting portion is bent, and the other end is bent and connected to a fixed ring, the inner side wall of the fixed ring of the lower clamp arm 1 is provided with a hemispherical protrusion 11, the outer surface of the fixed circular plate 32 is provided with a rotating ring groove adapted to the fixed ring, the hemispherical protrusion 11 is tangent to the outer surface of the fixed circular plate 32, the friction between the hemispherical protrusion 11 and the fixed circular plate 32 is small, and when the finger pressure head 31 is in a stable state of being pressed and stationary, it does not affect the slight change of the angle of the lower clamp arm 1 and the upper clamp arm 2 by changing the position of the toggle rod 71.

[0024] In this embodiment, the connecting bent plate 6 is in a curved shape, and one end of the connecting bent plate 6 away from the corner of the connecting frame 4 is connected to the curved end of the lower clamp arm 1 close to the fixed circular plate 32. One end of the connecting bent plate 6 is welded to the connecting frame 4, and the lower clamp arm 1 and the upper clamp arm 2 are respectively welded to the other end of the connecting bent plate 6.

[0025] In this embodiment, a slide groove is provided on the lower clamp arm 1 and the upper clamp arm 2, and a slide rod 7 passes through the slide groove. Fixed balls are provided on both ends of the slide rod 7. The fixed balls play a positioning role to prevent the slide rod 7 from sliding off the lower clamp arm 1 and the upper clamp arm 2. The toggle rod 71 is curved, which is convenient for the middle finger to apply a toggle force to the toggle rod 71.

[0026] In this embodiment, the limiting plate 9 and the compression plate 34 are both "U"-shaped structures, and the positioning groove 41 is a rectangular groove shape with one end wide and the other end narrow. The end of the limiting plate 9 passes through the positioning groove 41, and the notch of the positioning groove 41 is slightly larger than the limiting plate 9, which can achieve the limitation of the limiting plate 9.

[0027] In this embodiment, the outer surface of the compression plate 34 is consistent with the inner surface of the connecting frame 4. A limiting column 341 is provided at the center position of the inner surface of the compression plate 34. The two ends of the contraction spring 5 are respectively arranged on the outside of the limiting column 341. The limiting column 341 limits the two ends of the contraction spring 5 to prevent the contraction spring 5 from tilting.

[0028] The working principle and use process of this utility model:

[0029] When using the clamping hemostatic forceps to clamp a blood vessel, the thumb and index finger press the finger pressure head 31, the fixed circular plate 32 drives the lower clamp arm 1 and the upper clamp arm 2 to clamp the blood vessel, the compression plate 34 compresses the contraction spring 5, and the middle finger applies a force to the toggle rod 71 to make the slide bar 7 slide, and the limit plate 9 penetrates the connecting frame 4 and the compression plate 34. At this time, the finger pressure head 31, the fixed circular plate 32, the connecting column 33 and the compression plate 34 are in a limited state, so that the lower clamp arm 1 and the upper clamp arm 2 are in a stable state, and the blood vessel can be stably clamped.

[0030] Although the embodiments of the present invention have been shown and described (see the above detailed description for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vascular surgical vessel clamp, comprising a lower clamp arm (1), an upper clamp arm (2) and a finger pressure clamping device, characterized in that: The finger pressure clamping device comprises a finger pressure head (31) and a fixed circular plate (32), a connecting column (33) and a compression plate (34), a connecting frame (4) and a contraction spring (5), wherein the finger pressure head (31) is connected to the fixed circular plate (32), the connecting column (33) passes through the connecting frame (4), the two ends of the connecting column (33) are respectively connected to the fixed circular plate (32) and the compression plate (34), the connecting frame (4) is distributed between the symmetrically distributed fixed circular plates (32), and the contraction spring (5) is connected to the fixed circular plate (32). ) is installed inside the connecting frame (4), the lower clamp arm (1) and the upper clamp arm (2) are penetrated by a sliding rod (7), a connecting rod (8) and a toggle rod (71) are provided at the middle position of the sliding rod (7), a limiting plate (9) is provided at the end of the connecting rod (8), a positioning groove (41) is provided on the side of the connecting frame (4), a clamping groove (342) is provided on the side of the compression plate (34), and a connecting bent plate (6) respectively connected to the lower clamp arm (1) and the upper clamp arm (2) is provided on the side of the connecting frame (4).

2. A vascular surgical blood vessel clamp according to claim 1, characterized in that: The lower clamp arm (1) and the upper clamp arm (2) both comprise a gripping portion and a connecting portion, the ends of the gripping portions are both outwardly bent, the connecting portion of the lower clamp arm (1) and the connecting portion of the upper clamp arm (2) are symmetrical and identical, the connecting portion is a plate-like structure, one end of the connecting portion is bent, and the other end is bent and connected to a fixed ring.

3. A vascular surgical vessel clamp according to claim 2, characterized in that: The inner side wall of the fixed circular ring of the lower clamp arm (1) is provided with a hemispherical protrusion (11), the outer surface of the fixed circular plate (32) is provided with a rotating ring groove adapted to the fixed circular ring, and the hemispherical protrusion (11) is tangent to the outer surface of the fixed circular plate (32).

4. A vascular surgical vessel clamp according to claim 1, characterized in that: The connecting bent plate (6) is in a curved shape, and one end of the connecting bent plate (6) away from the corner of the connecting frame (4) is connected to the curved end of the lower clamp arm (1) close to the fixed circular plate (32).

5. The vascular surgery blood vessel clamp according to claim 1, characterized in that: The lower clamp arm (1) and the upper clamp arm (2) are provided with sliding grooves, the sliding rod (7) passes through the sliding grooves, both ends of the sliding rod (7) are provided with fixed balls, and the toggle rod (71) is in a curved shape.

6. A vascular surgery blood vessel clamp according to claim 1, characterized in that: The limiting plate (9) and the compression plate (34) are both U-shaped structures, and the positioning groove (41) is in the shape of a rectangular groove with one end being wide and the other end being narrow.

7. The vascular surgery blood vessel clamp according to claim 1, characterized in that: The outer surface of the compression plate (34) matches the inner surface of the connection frame (4), a limiting column (341) is provided at the center of the inner surface of the compression plate (34), and the two ends of the contraction spring (5) are respectively sleeved on the outer side of the limiting column (341).

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