Liver clamping device for laparoscopic surgery

Abstract

The utility model belongs to the field of clamping devices, and particularly relates to a liver clamping device for laparoscopic surgery, which comprises a fixed seat, a handle is fixedly connected to the bottom of the fixed seat, two hinge seats which are symmetrically distributed are hinged in the fixed seat, a support spring is fixedly connected between the two hinge seats, and the support spring is fixedly connected with the handle. The outer side of the hinge seat is slidably sleeved with a clamping plate, the right end of the hinge seat is fixedly connected with a connecting strip, the lower end of the fixing seat is slidably connected with a buckling block, and the clamping plate is provided with a clamping mechanism. According to the liver clamp, the hinged seat is hinged to the fixed seat, the ejector rod can slide along the inclined face of the inclined block by pulling the buckling block, the connecting strip and the hinged seat can deflect, then the two clamping plates can move in the direction close to each other, the liver can be clamped, and the liver clamp is convenient and fast to use and high in practicability. And the device is taken in a hand holding mode, so that the use is more stable, and shaking is not likely to happen.

Description

Technical Field

[0001] The utility model belongs to the field of clamping devices, and in particular relates to a liver clamping device for laparoscopic surgery. Background Art

[0002] The utility model patent with patent authorization announcement number CN211609962U discloses a laparoscopic liver clamping device, including a sleeve, a second rotating shaft is fixedly connected to the center of the right side of the sleeve, an upper connecting rod is rotatably connected to the top of the right side of the second rotating shaft, a pull rod is fixedly connected to the center of the top of the upper connecting rod, a support rod is fixedly connected to the center of the top of the sleeve, a rotating rod is rotatably connected to the center of the top of the support rod, a telescopic rod is fixedly connected to the surface of the rotating rod near the left side, and the support rod and rotating rod are arranged in combination with the telescopic rod and the pull rod, so that after the clamping block is detached from the bottom of the liver, the staff can pull the pull rod to drive the rotating rod to rotate and drive the top clamping block to move upward, thereby clamping the liver for a second time, so that medical staff do not need to pull the two finger rings again to clamp the liver for a second time, further improving the convenience of staff during use.

[0003] In the above-mentioned prior art, the clamping device needs to be clamped by two fingers when in use. The fingers are not stable enough to hold the device when in use, and the hand is not convenient enough to operate the device, so improvement is needed. Summary of the invention

[0004] The utility model aims to provide a liver clamping device for laparoscopic surgery, which solves the problem that the existing clamping device is not stable enough when being taken and used.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a laparoscopic liver clamping device, including a fixed seat, a handle fixedly connected to the bottom of the fixed seat, two symmetrically distributed hinged seats are hinged inside the fixed seat, a support spring is commonly fixedly connected between the two hinged seats, a splint is slidably sleeved on the outer side of the hinged seat, a connecting strip is fixedly connected to the right end of the hinged seat, a buckle block is slidably connected to the lower end of the fixed seat, a clamping mechanism is arranged on the splint, and a connecting mechanism is arranged on the splint.

[0006] The principle of the utility model is that when the liver needs to be clamped during use, the handle is first held and then the buckle block is pulled to move horizontally, the buckle block drives the slide bar to slide along the guide bar, the slide bar will squeeze the first spring, and at the same time the slide bar drives the connecting rod to move horizontally, the connecting rod drives the push rod to move, the push rod will slide along the inclined surface of the inclined block, the push rod squeezes the inclined block, so that the inclined block drives the connecting strip and the hinge seat to deflect, the hinge seat drives the splint and the anti-skid pad to deflect, and the liver can be clamped and fixed, which is convenient and quick to use.

[0007] When it is necessary to disassemble the splint, simply pull the splint horizontally, the splint and the hinge seat will slide relative to each other, and at the same time, the inclined surface of the splint groove will squeeze the protrusion, and the protrusion will be squeezed to move in the vertical direction, and the protrusion drives the connecting rod to slide along the fixed rod, and the connecting rod squeezes the second spring to separate the protrusion from the groove. At this time, the splint can be pulled out from the outside of the hinge seat, and the splint can be disassembled, which is convenient for cleaning and disinfection of the splint after disassembly after use, and the splint can also be conveniently replaced and used.

[0008] The beneficial effects of the utility model are as follows: by designing the hinge connection between the hinge seat and the fixed seat, the push rod can slide along the inclined surface of the inclined block by detent, so that the connecting strip and the hinge seat can be deflected, and then the two clamps can be moved in a direction close to each other, so that the liver can be clamped. The utility model is convenient and quick to use, and the device can be taken by hand in a more stable and less likely to shake.

[0009] By designing the connection between the protrusion and the groove, the hinge seat and the splint can be connected and fixed, so that the splint can be installed and fixed for use, and the groove and the protrusion can be separated by pulling the splint horizontally with force, so that the splint can be easily disassembled, which makes it convenient to clean and disinfect the splint after the device is used, and the splint can also be easily replaced and used.

[0010] Furthermore, the ends of the two clamping plates that are close to each other are fixedly connected with anti-skid pads, and the anti-skid pads are made of rubber. By designing the anti-skid pads, the purpose of stabilizing and preventing skidding can be achieved during clamping.

[0011] Further, the clamping mechanism includes an inclined block, one end of the two connecting strips close to each other is fixedly connected to the inclined block, the outer side of the inclined block contacts a push rod, the other end of the push rod is fixedly connected to a connecting rod, the outer side of the connecting rod is fixedly sleeved with a sliding rod, the sliding rod is slidably connected to a fixed seat, the inner side of the sliding rod is slidably sleeved with a guide rod, the guide rod is fixedly connected to a fixed seat, the sliding rod is fixedly connected to a buckle block, and a first spring is arranged on the outer side of the guide rod. By designing the clamping mechanism, the use of the device is convenient.

[0012] Further, one end of the first spring is fixedly connected to the slide bar, and the other end of the first spring is fixedly connected to the fixing seat. By designing the first spring, the force of the first spring can act on the slide bar.

[0013] Furthermore, the connection mechanism includes a groove, the inside of the clamping plate is provided with a groove, a convex block is slidably sleeved inside the groove, a connecting rod is fixedly connected to the end of the convex block away from the groove, the connecting rod is slidably connected to the hinge seat, a fixing rod is slidably sleeved inside the connecting rod, the fixing rod is fixedly connected to the hinge seat, and a second spring is arranged on the outside of the fixing rod. By designing the connection mechanism, it is convenient to disassemble the clamping plate.

[0014] Furthermore, the number of the grooves is multiple, and the multiple grooves are evenly distributed inside the clamping plate. By designing multiple grooves, the protrusion can slide into the grooves at different positions.

[0015] Further, one end of the second spring is fixedly connected to one of the connecting rods, and the other end of the second spring is fixedly connected to the other connecting rod. By designing the second spring, the force of the second spring can act on the connecting rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a stereoscopic diagram of the overall structure of the liver clamping device for laparoscopic surgery according to an embodiment of the present invention;

[0017] Figure 2 The liver clamping device for laparoscopic surgery according to the present invention Figure 1 A three-dimensional cross-sectional view of the local structure;

[0018] Figure 3 The liver clamping device for laparoscopic surgery according to the present invention Figure 2 A magnified image of point A;

[0019] Figure 4 The liver clamping device for laparoscopic surgery according to the present invention Figure 2 Front view of the splint. DETAILED DESCRIPTION

[0020] The following is further described in detail through specific implementation methods:

[0021] The reference numerals in the drawings of the specification include:

[0022] Fixed seat 1, handle 2, hinged seat 3, splint 4, anti-slip pad 5, connecting strip 6, buckle block 7, clamping mechanism 8, connecting mechanism 9, support spring 10, inclined block 81, top rod 82, connecting rod 83, sliding rod 84, guide rod 85, first spring 86, groove 91, protrusion 92, connecting rod 93, fixed rod 94, second spring 95.

[0023] like Figure 1 , Figure 2 , Figure 3As shown, the present embodiment provides a laparoscopic liver clamping device, comprising a fixed seat 1, a handle 2 is fixedly connected to the bottom of the fixed seat 1, two symmetrically distributed hinge seats 3 are hinged inside the fixed seat 1, a support spring 10 is fixedly connected between the two hinge seats 3, a splint 4 is slidably sleeved on the outer side of the hinge seat 3, and anti-skid pads 5 are fixedly connected to one end of the two splints 4 close to each other, and the anti-skid pads 5 are made of rubber material. By designing the anti-skid pads 5, the purpose of stability and anti-skid can be achieved during clamping, a connecting strip 6 is fixedly connected to the right end of the hinge seat 3, a buckle block 7 is slidably connected to the lower end of the fixed seat 1, a clamping mechanism 8 is arranged on the splint 4, and a connecting mechanism 9 is arranged on the splint 4.

[0024] like Figure 1 , Figure 2 , Figure 3 As shown, the clamping mechanism 8 includes an inclined block 81, and the ends of the two connecting strips 6 that are close to each other are fixedly connected with the inclined block 81, the outer side of the inclined block 81 contacts with a push rod 82, and the other end of the push rod 82 is fixedly connected with a connecting rod 83, and the outer side of the connecting rod 83 is fixedly sleeved with a sliding rod 84, and the sliding rod 84 is slidably connected to the fixed seat 1, and the inner side of the sliding rod 84 is slidably sleeved with a guide rod 85, and the guide rod 85 is fixedly connected to the fixed seat 1, and the sliding rod 84 is fixedly connected to the buckle block 7, and a first spring 86 is arranged on the outer side of the guide rod 85, and one end of the first spring 86 is fixedly connected to the sliding rod 84, and the other end of the first spring 86 is fixedly connected to the fixed seat 1. By designing the first spring 86, the force of the first spring 86 can act on the sliding rod 84, and by designing the clamping mechanism 8, the use of the device is convenient.

[0025] like Figure 1 , Figure 2 , Figure 4 As shown, the connecting mechanism 9 includes a groove 91, and the interior of the splint 4 is provided with a groove 91, and the interior of the groove 91 is slidably sleeved with a protrusion 92. The number of the grooves 91 is multiple, and the multiple grooves 91 are evenly distributed inside the splint 4. By designing multiple grooves 91, the protrusion 92 can slide into the grooves 91 at different positions, and the end of the protrusion 92 away from the groove 91 is fixedly connected with a connecting rod 93, and the connecting rod 93 is slidably connected to the hinge seat 3. The interior of the connecting rod 93 is slidably sleeved with a fixing rod 94, and the fixing rod 94 is fixedly connected to the hinge seat 3. A second spring 95 is arranged on the outside of the fixing rod 94, and one end of the second spring 95 is fixedly connected to one of the connecting rods 93, and the other end of the second spring 95 is fixedly connected to the other connecting rod 93. By designing the second spring 95, the action force of the second spring 95 can act on the connecting rod 93. By designing the connecting mechanism 9, it is convenient to disassemble the splint 4.

[0026] The specific implementation process of the utility model is as follows: when in use, when the liver needs to be clamped, first hold the handle 2 and then pull the buckle block 7 to move horizontally, the buckle block 7 drives the slide bar 84 to slide along the guide rod 85, the slide bar 84 will squeeze the first spring 86, and at the same time the slide bar 84 drives the connecting rod 83 to move horizontally, the connecting rod 83 drives the top rod 82 to move, the top rod 82 will slide along the inclined surface of the inclined block 81, the top rod 82 squeezes the inclined block 81, so that the inclined block 81 drives the connecting strip 6 and the hinge seat 3 to deflect, the hinge seat 3 drives the splint 4 and the anti-slip pad 5 to deflect, and the liver can be clamped and fixed, which is convenient and quick to use.

[0027] When it is necessary to disassemble the splint 4, the splint 4 is directly pulled horizontally, and the splint 4 and the hinge seat 3 slide relative to each other. At the same time, the inclined surface of the groove 91 of the splint 4 will squeeze the protrusion 92, and the protrusion 92 will be squeezed to move in the vertical direction. The protrusion 92 drives the connecting rod 93 to slide along the fixed rod 94, and the connecting rod 93 squeezes the second spring 95, so that the protrusion 92 is separated from the groove 91. At this time, the splint 4 can be pulled out from the outside of the hinge seat 3, and the splint 4 can be disassembled, which is convenient for cleaning and disinfection of the splint 4 after disassembly after use, and the splint 4 can also be conveniently replaced and used.

[0028] The beneficial effect of the utility model is that by designing the hinge of the hinge seat 3 and the fixed seat 1, the push rod 82 can slide along the inclined surface of the inclined block 81 by detent block 7, so that the connecting strip 6 and the hinge seat 3 can be deflected, and then the two clamps 4 can be moved in a direction close to each other, so that the liver can be clamped. It is convenient and quick to use, and the device can be taken by hand in a more stable and less shaking way.

[0029] By designing the connection between the protrusion 92 and the groove 91, the hinge seat 3 and the splint 4 can be connected and fixed, so that the splint 4 can be installed and fixed for use, and the groove 91 and the protrusion 92 can be separated by pulling the splint 4 horizontally with force, so that the splint 4 can be easily disassembled, which makes it convenient to clean and disinfect the splint 4 after the device is used, and the splint 4 can also be easily replaced and used.

[0030] It should be noted in advance that, in the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] The above is only an embodiment of the present invention, and the common knowledge such as the known specific structure and characteristics in the scheme is not described in detail here. It should be pointed out that for those skilled in the art, several deformations and improvements can be made without departing from the structure of the present invention, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A laparoscopic liver clamping device, comprising a fixing seat, characterized in that: A handle is fixedly connected to the bottom of the fixed seat, two symmetrically distributed hinged seats are hinged inside the fixed seat, a support spring is fixedly connected between the two hinged seats, a clamping plate is slidably sleeved on the outer side of the hinged seat, a connecting strip is fixedly connected to the right end of the hinged seat, a buckle block is slidably connected to the lower end of the fixed seat, a clamping mechanism is provided on the clamping plate, and a connecting mechanism is provided on the clamping plate.

2. The laparoscopic liver clamping device according to claim 1, characterized in that: One end of the two clamping plates close to each other is fixedly connected with an anti-skid pad, and the anti-skid pad is made of rubber.

3. The laparoscopic liver clamping device according to claim 1, characterized in that: The clamping mechanism includes an inclined block, and one end of the two connecting strips close to each other is fixedly connected with an inclined block, the outer side of the inclined block contacts with a push rod, the other end of the push rod is fixedly connected with a connecting rod, the outer side of the connecting rod is fixedly sleeved with a sliding rod, the sliding rod is slidably connected to a fixed seat, the inner side of the sliding rod is slidably sleeved with a guide rod, the guide rod is fixedly connected to a fixed seat, the sliding rod is fixedly connected to the buckle block, and a first spring is arranged on the outer side of the guide rod.

4. The laparoscopic liver clamping device according to claim 3, characterized in that: One end of the first spring is fixedly connected to the slide rod, and the other end of the first spring is fixedly connected to the fixing seat.

5. The laparoscopic liver clamping device according to claim 1, characterized in that: The connecting mechanism includes a groove, the interior of the splint is provided with a groove, a protrusion is slidably sleeved inside the groove, an end of the protrusion away from the groove is fixedly connected to a connecting rod, the connecting rod is slidably connected to the hinge seat, a fixing rod is slidably sleeved inside the connecting rod, the fixing rod is fixedly connected to the hinge seat, and a second spring is arranged on the outside of the fixing rod.

6. The laparoscopic liver clamping device according to claim 5, characterized in that: There are multiple grooves, and the multiple grooves are evenly distributed inside the splint.

7. The laparoscopic liver clamping device according to claim 5, characterized in that: One end of the second spring is fixedly connected to one of the connecting rods, and the other end of the second spring is fixedly connected to the other connecting rod.

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