Calculus removing device for gall-stone operation

Abstract

The invention provides a gallstone removing device for a gallstone operation, and belongs to the technical field of medical instruments. Comprising a minimally invasive channel, a puncture needle tube is inserted in the minimally invasive channel, a supporting tube is inserted in the puncture needle tube, one end of the supporting tube is fixedly connected with a grab handle, the other end of the supporting tube is fixedly connected with an expansion opening, a fixing plate is fixedly connected to the outer wall of the supporting tube, and three sliding blocks are fixedly connected to the inner wall of the expansion opening; two supporting frames are fixedly connected to the outer wall of the top of the grab handle, and a through hole is formed in the grab handle; the clamping assembly is used for clamping gall-stone in the gall bladder of a patient, and the cutting assembly is used for chopping large gall-stone in the gall bladder of the patient. By arranging the cutting assembly, a doctor can cut up the large stone in the gall bladder, if the large stone is not cut, the operation time can be prolonged or the incision on the outer wall of the gall bladder is torn, and the postoperative recovery is influenced. By means of the cutting assembly, a doctor can directly cut the stone during clamping, tools do not need to be replaced, and the operation time is shortened.

Description

Technical Field

[0001] The invention relates to the technical field of medical devices, and in particular to a gallstone surgery stone removal device. Background Art

[0002] Gallstones, also known as cholelithiasis, refer to stone diseases that form in the biliary system, including the gallbladder or bile duct. Biliary tract infection is a common condition that can be divided into two types: cholecystitis and cholangitis, depending on the site of onset. After the stones form in the gallbladder, they irritate the gallbladder mucosa and may cause chronic gallbladder inflammation. When the stones are impacted in the neck of the gallbladder or the cystic duct, they may also cause secondary infection, leading to acute gallbladder inflammation. Long-term irritation of the gallbladder mucosa by stones may also lead to gallbladder cancer. It has been reported that the incidence of gallbladder cancer can reach 1% to 2%.

[0003] When performing minimally invasive surgery for gallstones, it is usually necessary to make three small incisions of 2 to 3 cm in the abdomen. Then, the surgical tool will pre-cut a small opening on the outer wall of the gallbladder, and medical gauze can be covered around it to prevent bile from contaminating the abdominal cavity and prevent the flushing saline from flowing into the abdominal cavity during choledochoscopy and stone removal. However, if the gallstones in the patient's gallbladder are too large, when the gallstones are removed from the gallbladder using a removal tool, since the incision on the outer wall of the gallbladder is smaller than the size of the gallstones, the doctor is usually required to replace the cutting tool, and the gallstones are cut into pieces in the gallbladder before being removed, which increases the operation time. If the doctor tries to directly remove the oversized gallstones in order to save time or misjudge, the incision on the outer wall of the gallbladder may be torn. This torn incision is uneven, which not only causes secondary damage to the gallbladder, but also may affect the suturing of the incision, which is not conducive to the patient's postoperative recovery. Therefore, the present invention provides a gallstone surgery stone removal device to meet the needs. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a gallstone surgical stone removal device to solve the technical problem that for gallstones larger than the incision on the outer wall of the gallbladder, if no cutting tool is used, the doctor's operation time may be increased, or the incision on the outer wall of the gallbladder may be torn when trying to remove them directly, thereby causing secondary damage to the gallbladder, and the torn wound is not conducive to postoperative recovery.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0006] A gallstone surgical stone removal device comprises a minimally invasive channel, a puncture needle tube is inserted in the minimally invasive channel, a support tube is inserted in the puncture needle tube, one end of the support tube is fixedly connected to a handle, the other end of the support tube is fixedly connected to an expansion port, a fixing plate is fixedly connected to the outer wall of the support tube, three sliding blocks are fixedly connected to the inner wall of the expansion port, two support frames are fixedly connected to the top outer wall of the handle, and a through hole is opened on the handle; a clamping assembly, the clamping assembly is used to clamp the gallstones in the patient's gallbladder, the clamping assembly is respectively connected to the handle; the cutting assembly is used to chop up larger gallstones in the patient's gallbladder, the cutting assembly is respectively connected to the expansion port and the handle.

[0007] Optionally, the clamping assembly includes a pressing handle screwed on one end of the two support frames, one end of the pressing handle is screwed with a linkage column, the other end of the pressing handle is fixedly connected to a first elastic plate, one end of the linkage column is screwed with a clamping tube, three avoidance grooves are opened on the outer wall of the clamping tube, and the other end of the clamping tube is fixedly connected with three clamping petals.

[0008] Optionally, a rubber pad is fixedly connected to the inner wall of the clamping flap, a segmented groove is provided on the rubber pad, a first sliding groove is provided on the outer wall of the clamping flap, and a second sliding groove is provided on the inner wall of the clamping flap.

[0009] Optionally, the cutting assembly includes a second elastic plate fixedly connected to the outer wall of the bottom of the handle, the other end of the second elastic plate is fixedly connected to a pressing plate, and one end of the pressing plate is fixedly connected to a sliding ring.

[0010] Optionally, support columns are symmetrically fixedly connected on both sides of the sliding ring, springs are sleeved on the support columns, the other end of the support columns is fixedly connected to a useful sliding plate, and one end of the sliding plate is fixedly connected to three traction ropes.

[0011] Optionally, one end of the traction rope is fixedly connected to a hook, the hook is hung with a semicircular buckle, the semicircular buckle is rotatably connected to a linkage handle, and the linkage handle is rotatably connected to a linkage plate.

[0012] Optionally, a C-shaped buckle is fixedly connected to the top outer wall of the linkage plate, a third elastic plate is fixedly connected to the bottom outer wall of the linkage plate, and one end of the linkage plate is rotatably connected to a control plate.

[0013] Optionally, a fixing ring is clamped on the C-shaped buckle, and three fixing columns are fixedly connected to the outer wall of the fixing ring.

[0014] Optionally, three clamping plates and a limit block are fixedly connected to an outer wall on one side of the control panel, a sliding column is fixedly connected to an outer wall on the other side of the control panel, and a sliding ball is fixedly connected to one end of the sliding column.

[0015] Optionally, a blade is clamped on the control board.

[0016] Compared with the prior art, the present invention has at least the following beneficial effects:

[0017] In the above scheme, by setting up a cutting component, the doctor can cut up larger gallstones in the patient's gallbladder. For gallstones that are larger than the incision on the outer wall of the gallbladder, if a cutting tool is not used, the doctor's operation time may be increased, or the incision on the outer wall of the gallbladder may be torn when trying to remove it directly, causing secondary damage to the gallbladder, and the torn wound is not conducive to postoperative recovery. At this time, the doctor can use the cutting component to cut the oversized gallstones during the clamping process, avoiding the need to switch from the clamping tool to the cutting tool, thereby shortening the operation time.

[0018] By setting up a clamping component, doctors can clamp gallstones in the patient's gallbladder. For irregularly shaped gallstones, the rubber pad on the clamping component can stably clamp them. During the operation, the doctor can control the clamping component to clamp or release the gallstones by simply clenching or loosening his palm, making the operation simple and convenient. This design not only improves the doctor's comfort during the operation, but also enhances the stability of clamping gallstones of different sizes and shapes.

[0019] A spring, a support column, a pressing plate and a second elastic plate are arranged in the cutting assembly. When the doctor uses the clamping assembly to clamp the gallstones in the gallbladder, if he encounters some oversized irregular gallstones, the doctor can operate by pressing the pressing plate. This action will drive the support column to pull the sliding plate and tighten the traction rope, so that the blade is extended to cut the gallstones. After the cutting is completed, the elastic action of the spring and the second elastic plate will reset the pressing plate. This structural design makes the operation of extending the blade out of the expansion port simpler and more convenient, and ensures that the extension distance of each blade is consistent, realizes the synchronous extension of the blade, and improves the safety of the operation.

[0020] By arranging a linkage plate, a control plate, a third elastic plate, a sliding column and a sliding ball in the cutting assembly, the doctor can control the extension of the blade by pressing the plate to cut the gallstones. After the cutting is completed, the elastic effect of the third elastic plate will automatically restore the blade to its original position. This telescopic design of the blade ensures the safety of the device. At the same time, the sliding of the sliding column and the sliding ball on the first sliding groove allows the extension angle of the blade to be adjusted as the angle of the clamping flap changes, thereby adapting to the cutting needs of gallstones of different sizes.

[0021] By arranging a clamping plate and a limiting block in the cutting assembly, wherein the clamping plate and the limiting plate form an integrated structure with the control panel, this design enables the blade to be quickly clamped to the control panel, and facilitates the installation and removal of the blade. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings, which are incorporated herein and constitute a part of the specification, illustrate embodiments of the invention and, together with the description, further serve to explain the principles of the invention and to enable those skilled in the relevant art to make and use the invention.

[0023] Figure 1 This is a schematic diagram of the three-dimensional structure of a gallstone surgery stone removal device;

[0024] Figure 2 for Figure 1 A in the middle is an enlarged schematic diagram of the three-dimensional structure;

[0025] Figure 3 for Figure 1 The enlarged three-dimensional structure diagram at B in the middle;

[0026] Figure 4 It is a schematic diagram of the enlarged cross-sectional structure of the clamping flap and the expansion port;

[0027] Figure 5 It is a schematic diagram of the enlarged cross-section of the three-dimensional structure of the clamping flap and the expansion port;

[0028] Figure 6 for Figure 5 The enlarged three-dimensional structure diagram at C in the middle;

[0029] Figure 7 It is a schematic diagram of an enlarged three-dimensional structure of the fixing ring and the fixing column;

[0030] Figure 8 It is an enlarged three-dimensional structural diagram of the linkage board, control board and blade;

[0031] Fig. 9 for Figure 8 The enlarged schematic diagram of the three-dimensional structure is shown at D in the middle.

[0032] Reference numerals:

[0033] 1. Minimally invasive channel; 2. Puncture needle tube; 3. Support tube; 301. Fixing plate; 302. Expansion port; 4. Grip; 401. Through hole; 402. Support frame; 403. Second elastic plate; 404. First elastic plate; 5. Press handle; 501. Linkage column; 502. Clamping tube; 503. Clamping flap; 504. First sliding groove; 505. Rubber pad; 506. Second sliding groove; 6. Pressing plate; 601. Sliding ring ; 602, support column; 603, spring; 604, sliding plate; 605, traction rope; 606, hook; 607, avoidance groove; 7, fixing ring; 701, fixing column; 8, linkage plate; 801, C-type buckle; 802, third elastic plate; 803, linkage handle; 804, semicircular buckle; 9, control panel; 901, sliding column; 902, sliding ball; 903, limit block; 904, clamping plate; 905, blade.

[0034] As shown in the figure, in order to clearly implement the structure of the embodiment of the present invention, specific structures and devices are marked in the figure, but this is only for illustrative purposes and is not intended to limit the present invention to the specific structure, device and environment. According to specific needs, ordinary technicians in this field can adjust or modify these devices and environments. DETAILED DESCRIPTION

[0035] The following is a detailed description of a gallstone surgical stone removal device provided by the present invention in conjunction with the accompanying drawings and specific embodiments. At the same time, it is explained here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art may also adopt other alternatives to implement some known technologies; and the accompanying drawings are only for a more specific description of the embodiments, and are not intended to specifically limit the present invention.

[0036] It should be noted that the references to "one embodiment", "embodiment", "exemplary embodiments", "some embodiments" and the like in the specification indicate that the embodiments described may include specific features, structures or characteristics, but not every embodiment may include the specific features, structures or characteristics. In addition, when a specific feature, structure or characteristic is described in conjunction with an embodiment, it should be within the knowledge of a person skilled in the art to implement such feature, structure or characteristic in conjunction with other embodiments (whether or not explicitly described).

[0037] In general, a term can be understood, at least in part, from its use in context. For example, depending, at least in part, on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in the singular sense, or can be used to describe a combination of features, structures, or characteristics in the plural sense. Additionally, the term "based on" can be understood as not necessarily intended to convey an exclusive set of factors, but can instead, depending, at least in part, on the context, allow for the presence of other factors that are not necessarily explicitly described.

[0038] It will be understood that the meanings of “on,” “over,” and “above” in the present invention should be interpreted in the broadest manner, so that “on” not only means “directly on” something, but also includes the meaning of being “on” something with intervening features or layers therebetween, and “on” or “over” not only means “on” or “above” something, but also includes the meaning of being “on” or “above” something with no intervening features or layers therebetween.

[0039] Additionally, spatially relative terms such as "under," "beneath," "lower," "above," "upper," and the like may be used herein for descriptive convenience to describe the relationship of one element or feature to another element or features, as shown in the accompanying drawings. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially relative descriptors used herein may be similarly interpreted accordingly.

[0040] like Figures 1 to 9 As shown, an embodiment of the present invention provides a gallstone surgical stone removal device, comprising a minimally invasive channel 1, wherein a puncture needle tube 2 is inserted in the minimally invasive channel 1, wherein a support tube 3 is inserted in the puncture needle tube 2, wherein one end of the support tube 3 is fixedly connected to a handle 4, wherein the other end of the support tube 3 is fixedly connected to an expansion port 302, wherein a fixing plate 301 is fixedly connected to the outer wall of the support tube 3, wherein three sliding blocks are fixedly connected to the inner wall of the expansion port 302, wherein two support frames 402 are fixedly connected to the top outer wall of the handle 4, wherein a through hole 401 is formed in the handle 4; a clamping assembly, wherein the clamping assembly is used to clamp gallstones in the patient's gallbladder, wherein the clamping assembly is respectively connected to the handle 4; and a cutting assembly, wherein the cutting assembly is used to chop up larger gallstones in the patient's gallbladder, wherein the cutting assembly is respectively connected to the expansion port 302 is connected to the handle 4. The clamping device provided in the present application mainly utilizes the puncture needle tube 2 to insert the support tube 3 into the patient's body. The support tube 3 is a metal pipe in the shape of a hollow cylinder. The handle 4 is fixedly connected to one end of the support tube 3. The fixing plate 301 is fixedly connected to the outer wall of the support tube 3 near the handle 4. The fixing plate 301 is a metal circular plate with circular holes on both sides. The handle 4 is an elliptical cylinder made of plastic material. A through hole 401 is provided on the top outer wall of the end of the handle 4 near the support tube 3. The through hole 401 is funnel-shaped. The other end of the support tube 3 is fixedly connected with an expansion port 302. The expansion port 302 is in the shape of a trumpet and is made of metal. The three sliding blocks are distributed in a circular array and fixedly connected to the inner wall of the expansion port 302. The sliding blocks are rectangular blocks made of metal.

[0041] like Figures 1 to 9As shown, the clamping assembly includes a pressing handle 5 screwed on one end of two support frames 402, one end of the pressing handle 5 is screwed with a linkage column 501, the other end of the pressing handle 5 is fixedly connected to the first elastic plate 404, one end of the linkage column 501 is screwed with a clamping tube 502, the outer wall of the clamping tube 502 is provided with three avoidance grooves 607, the other end of the clamping tube 502 is fixedly connected with three clamping petals 503, the inner wall of the clamping petal 503 is fixedly connected with a rubber pad 505, the rubber pad 505 is provided with a segmented groove, the outer wall of the clamping petal 503 is provided with a first sliding groove 504, and the inner wall of the clamping petal 503 is provided with a second sliding groove 506.

[0042] Specifically, the pressing handle 5 is screwed to one end of the two support frames 402 by screws, the pressing handle 5 is a spoon-shaped metal plate, the linkage column 501 is screwed to one end of the pressing handle 5 by screws, and the first elastic plate 404 is fixedly connected to the other end of the pressing handle 5, wherein the linkage column 501 is a metal cylinder, the first elastic plate 404 is in a "C" shape and is made of plastic, the other end of the first elastic plate 404 is fixedly connected to the outer wall of one end of the handle 4, after pressing the pressing handle 5, the pressing handle 5 will be reset under the elastic action of the first elastic plate 404, and the clamping tube 502 is screwed to the other end of the linkage column 501 by screws.

[0043] The clamping tube 502 is divided into two parts. The clamping tube 502 extends into the interior of the support tube 3. One part is a metal cylinder, and the other part is a trumpet shape that expands outward. Three avoidance grooves 607 are distributed in a circular array and are opened on the outer wall of the end of the clamping tube 502 that is in the trumpet shape. The avoidance grooves 607 are in the shape of a straight slot as a whole. The three clamping petals 503 are distributed in a circular array and are fixedly connected to the end of the clamping tube 502 that is in the trumpet shape. The overall contour of the clamping petal 503 is fan-shaped and is divided into two parts. In the initial state, the part close to the clamping tube 502 expands outward and fits the inner wall of the expansion opening 302, while the other part is parallel to the metal cylinder of the clamping tube 502, and both parts have an arc transition, which is convenient for clamping gallstones.

[0044] The rubber pad 505 is fixedly connected to the inner wall of the clamping flap 503 away from the clamping tube 502. The rubber pad 505 is made of rubber material, and a plurality of segmented grooves are provided on the outer wall of the rubber pad 505 away from the clamping flap 503. The setting of the segmented grooves can more stably clamp gallstones of different sizes and shapes. The first sliding groove 504 and the second sliding groove 506 are respectively provided on the outer wall and the inner wall of the clamping flap 503. The first sliding groove 504 is in a quadrilateral shape, and its inner wall fits the outer wall contour of the sliding block. The second sliding groove 506 is circular, and the diameter of the circle is slightly larger than the diameter of the sliding ball 902, so as to facilitate the sliding of the sliding ball 902 on the second sliding groove 506.

[0045] With the arrangement of the above structure, when the doctor uses the device, the support tube 3 is inserted into the patient's body using the puncture needle tube 2, and the endoscope is inserted into the patient's gallbladder to check the position of the gallstones. When the gallstones are small, the device can be directly used to clamp the smaller gallstones out of the gallbladder and place them in the prepared specimen bag. When clamping, the doctor only needs to press the end of the pressure handle 5 close to the first elastic plate 404. Under the action of the lever principle, the other end of the pressure handle 5 will be lifted, driving the linkage column 501 to move in the direction in which the pressure handle 5 is lifted. At the same time, the linkage column 501 will drive the clamping tube 502 to move in the same direction. At this time, the clamping flap 503 will slide on the inner wall of the expansion opening 302, and the sliding block fixedly connected to the inner wall of the expansion opening 302 will move on the outer wall of the clamping flap 503. The clamping flap 503 can be limited by sliding on the first sliding groove 504 opened on the upper surface to prevent the clamping flap 503 from shaking during the process of clamping the gallstones, which would affect the doctor's subsequent operation. At this time, the segmented groove on the rubber pad 505 can adapt to the different sizes and shapes of the gallstones and can stably clamp the gallstones. After each time the gallstones are taken out of the gallbladder, the pressing handle 5 is released and the pressing handle 5 is reset under the elastic action of the first elastic plate 404, which will drive the linkage column 501 and the clamping tube 502 to move in the direction of resetting the pressing handle 5. The clamping flap 503 will be reset under the drive of the clamping tube 502 and the action of its own elasticity. The above structural arrangement can improve the comfort of doctors during surgery and also improve the stability of clamping gallstones of different sizes and shapes.

[0046] like Figures 1 to 9As shown, the cutting assembly includes a second elastic plate 403 fixedly connected to the outer wall of the bottom of the handle 4, the other end of the second elastic plate 403 is fixedly connected to a pressing plate 6, one end of the pressing plate 6 is fixedly connected to a sliding ring 601, and support columns 602 are symmetrically fixedly connected on both sides of the sliding ring 601, the support columns 602 pass through the circular holes on the fixed plate 301 and the other ends are fixedly connected to a circular sliding plate 604, a spring 603 is sleeved on the support column 602 between the fixed plate 301 and the sliding plate 604, and three traction ropes 605 are evenly fixedly connected to one end of the sliding plate 604 away from the support column 602, the other ends of the traction ropes 605 are all extended into the interior of the support tube 3 and the clamping petal 503, and are all fixedly connected to a hook 606, the hook 606 is hung with a semicircular buckle 804, and the semicircular buckle 804 is rotatably connected to a linkage handle 803, and the linkage handle 803 is rotatably connected to a linkage Plate 8, a C-shaped buckle 801 is fixedly connected to the outer wall of the top of the linkage plate 8, a third elastic plate 802 is fixedly connected to the outer wall of the bottom of the linkage plate 8, one end of the linkage plate 8 is rotatably connected to the control plate 9, and a fixing ring 7 is commonly clamped in the three C-shaped buckles 801, and three fixing columns 701 are fixedly connected at equal intervals on the outer wall of the fixing ring 7 with three C-shaped buckles 801 staggered, and the other end of the fixing column 701 passes through the gap between the three clamping petals 503 and is screwed to the inner wall of the expansion opening 302, three clamping plates 904 and a limit block 903 are fixedly connected to the outer wall of one side of the control plate 9, and a sliding column 901 is fixedly connected to the outer wall of the other side of the control plate 9, and one end of the sliding column 901 is fixedly connected to the sliding ball 902, and the control plate 9 is clamped with a blade 905 in cooperation with the limit block 903 through the three clamping plates 904, and the blade 905 is located on the upper part of the rubber pad 505.

[0047] Specifically, the second elastic plate 403 is fixedly connected to the bottom outer wall of the handle 4, the overall profile of the second elastic plate 403 is in a "C" shape, and is made of plastic. The other end of the second elastic plate 403 is fixedly connected to the top outer wall of the pressing plate 6, and the pressing plate 6 is a straight plastic plate and has an arc at the end close to the second elastic plate 403. The sliding ring 601 is fixedly connected to the other end of the pressing plate 6. The sliding ring 601 is a plastic ring and is slidably connected to the outer wall of the support tube 3. One end of the two support columns 602 is symmetrically fixedly connected to the outer walls of both sides of the sliding ring 601, and the other end of the support column 602 It is fixedly connected to the outer wall of the sliding plate 604 close to the sliding ring 601, wherein the spring 603 is sleeved on the outer wall of the support column 602, and the two ends of the spring 603 are respectively fixedly connected to the sliding plate 604 and the fixed plate 301, the support column 602 is a metal cylinder, and the support column 602 passes through the circular hole opened on the fixed plate 301 mentioned above, and the three traction ropes 605 are distributed in a circular array and fixedly connected to the outer wall of the sliding plate 604 away from the fixed plate 301. The traction rope 605 passes through the avoidance groove 607 mentioned above, and the hook 606 is fixedly connected to the other end of the traction rope 605.

[0048] Specifically, the hook 606 is hung on one side of the semicircular buckle 804, and the side of the semicircular buckle 804 away from the hook 606 is rotatably connected to one end of the linkage handle 803. The overall contour of the semicircular buckle 804 is a semicircular tube made of metal. The linkage handle 803 is divided into two parts, one part is a plastic straight plate and is provided with a circular hole for convenient rotation connection with the semicircular buckle 804, and the other part is a plastic hollow cylinder, which is rotatably connected to one end of the linkage plate 8. The linkage plate 8 is composed of two straight plates and two cylinders, which are symmetrical in pairs and are made of plastic. The C-shaped buckle 801 is fixedly connected to the outer wall of the top of the linkage plate 8. The C-shaped buckle 801 is in the shape of a "C" as a whole and is made of plastic. The fixing ring 7 is clamped on the inner wall of the C-shaped buckle 801. The fixing ring 7 is in the shape of a triangle with rounded corners as a whole. The clamping position is at the straight ring body in the fixing ring 7. The three fixing columns 701 are distributed in a circular array and are fixedly connected to the outer wall of the fixing ring 7.

[0049] The control plate 9 is divided into two parts, one part is a plastic hollow cylinder and is rotatably connected to the other end of the linkage plate 8, and the other part is a plastic convex plate. One end of the third elastic plate 802 is fixedly connected to the outer wall of the bottom end of the linkage plate 8, and the other end is fixedly connected to the outer wall of the control plate 9 away from the clamping flap 503. The third elastic plate 802 is a plastic curved plate that is overall "Y"-shaped. When the third elastic plate 802 is subjected to force, it will deform along the bending direction, and one end of the sliding column 901 is fixedly connected to the outer wall of the side of the control plate 9 close to the clamping flap 503, and the sliding ball 902 is fixedly connected to the other end of the sliding column 901. The sliding column 901 is a plastic cylinder, and the sliding ball 902 is a plastic sphere. The sliding ball 902 is slidably connected to the inner wall of the second sliding groove 506, limiting The positioning block 903 is fixedly connected to the outer wall on the other side of the control board 9. The limiting block 903 is a plastic cuboid. Three clamping plates 904 are fixedly connected to the outer wall on the side of the control board 9 away from the sliding ball 902, and are respectively located on the top and both sides of the middle of the outer wall. The clamping plate 904 is a plastic straight plate, and one end has a triangular protrusion. The clamping plate 904 cooperates with the limiting block 903 to facilitate the clamping of the blade 905 to the control board 9. The middle parts of the pressing handle 5, pressing plate 6, first elastic plate 404, second elastic plate 403, third elastic plate 802 and linkage handle 803 mentioned above are all provided with lightweight grooves. The setting of the lightweight grooves can not only save production materials, but also reduce the weight of the device, thereby reducing the hand fatigue of the doctor when holding the device for a long time during surgery.

[0050] By setting the above structure, when the doctor uses the endoscope to insert into the patient's gallbladder to check the gallstones, if the gallstones are found to be too large, the gallstones can be clamped by the clamping assembly first, and the rubber pad 505 can clamp the gallstones firmly with the clamping flap 503. At this time, the pressing plate 6 can be pressed with the finger, and the second elastic plate 403 will be deformed along the direction of its bending under the force, and then the pressing plate 6 drives the sliding ring 601 to move along the direction of the finger, and the support column 602 on the sliding ring 601 slides on the circular hole on the fixed plate 301, and drives the sliding plate 604 to move in the direction of the displacement of the sliding plate 604. At this time, the sliding plate 604 will compress the spring 603, and the spring 603 will be deformed along the direction of its bending. At this time, the sliding plate 604 will tighten the three traction ropes 605 at the same time. During the tightening process of the traction rope 605, the linkage handle 803 is pulled to drive the linkage plate 8 to rotate on the fixed ring 7, and the linkage plate 8 will make the control plate 9 is displaced, forcing the third elastic plate 802 to deform, and the control plate 9 drives the blade 905 clamped on its outer wall to displace. At this time, the sliding ball 902 will slide on the inner wall of the second sliding groove 506, and the sliding ball 902 will be against the inner wall of the clamping flap 503 to cooperate with the sliding column 901 to limit the control plate 9, so that the blade 905 clamped on the control plate 9 is always consistent with the extension direction of the clamping flap 503, and when the blade 905 is extended to the maximum extent, it is guaranteed that the blade 905 will not extend out of the clamping flap 503, which can not only better cut gallstones of different sizes, but also prevent the blade 905 from accidentally injuring the inner wall of the patient's gallbladder. After the cutting is completed, release the finger, the pressing plate 6 will reset under the elastic action of the second elastic plate 403 and the spring 603, and the support column 602 will drive the sliding plate 604 to relax the traction rope 605, and the linkage plate 8 and the control plate 9 will reset under the elastic action of the third elastic plate 802, so that the blade 905 is retracted.

[0051] The working principle of the technical solution provided by the present invention is as follows:

[0052] When the doctor uses this device, first, the support tube 3 is placed into the patient's body using the puncture needle tube 2, and then inserted into the patient's gallbladder through an endoscope to check the position of the gallstones. For smaller gallstones, the doctor can directly use this device to clamp it out of the gallbladder and put it into a pre-prepared specimen bag. During the clamping process, the doctor only needs to press the end of the pressure handle 5 close to the first elastic plate 404, and the other end of the pressure handle 5 will be lifted using the lever principle, driving the linkage column 501 to move in the direction of lifting, and the linkage column 501 will also drive the clamping tube 502 to move in the same direction. At this time, the clamping flap 503 will slide on the inner wall of the expansion port 302, and the sliding block fixedly connected on the inner wall of the expansion port 302 will slide on the first sliding groove 504 on the outer wall of the clamping flap 503, and the clamping flap 503 is limited to prevent it from shaking when clamping gallstones, thereby affecting the operation. The segmented groove on the rubber pad 505 can adapt to gallstones of different sizes and shapes, ensuring stable clamping. After each gallstone is removed, the pressing handle 5 is released, and the pressing handle 5 is reset under the elastic action of the first elastic plate 404, and the linkage column 501 and the clamping tube 502 also move in the direction of the reset of the pressing handle 5, and the clamping flap 503 is reset under the drive of the clamping tube 502 and the action of its own elasticity. These structural designs improve the comfort of the operation and the stability of clamping different gallstones.

[0053] If the doctor finds that the gallstone is too large, it can be clamped with the clamping assembly first. The rubber pad 505 cooperates with the clamping flap 503 to firmly clamp the gallstone. At this time, the doctor can press the pressing plate 6, and the second elastic plate 403 will be deformed along its bending direction after being stressed, and the pressing plate 6 will drive the sliding ring 601 to move along the finger direction. The support column 602 on the sliding ring 601 slides on the circular hole on the fixed plate 301, driving the sliding plate 604 to move in the same direction and compress the spring 603. After the spring 603 is deformed, the sliding plate 604 tightens three traction ropes 605, and the traction rope 605 pulls the linkage handle 803, so that the linkage plate 8 rotates on the fixed ring 7, and the linkage plate 8 rotates to displace the control plate 9, forcing the third elastic plate 802 to deform, and the control plate 9 drives the blade 905 clamped on its outer wall to move. The sliding ball 902 slides on the inner wall of the second sliding groove 506, rests on the inner wall of the clamping flap 503, and cooperates with the sliding column 901 to limit the control plate 9, ensuring that the blade 905 is consistent with the extension direction of the clamping flap 503, and will not exceed the clamping flap 503 when stretched to the maximum extent, so that gallstones of different sizes can be better cut, and the blade 905 is prevented from accidentally injuring the inner wall of the gallbladder. After the cutting is completed, release the finger, the pressing plate 6 will be reset under the elastic action of the second elastic plate 403 and the spring 603, the support column 602 pushes the sliding plate 604 to relax the traction rope 605, and the linkage plate 8 and the control plate 9 are reset under the elastic action of the third elastic plate 802, so that the blade 905 is retracted, and the blade 905 is repeatedly extended and retracted, and the larger stones are cut. After the cutting is completed, the gallstones can be taken out.

[0054] The present invention covers any substitution, modification, equivalent method and scheme made on the essence and scope of the present invention. In order to make the public have a thorough understanding of the present invention, specific details are described in detail in the preferred embodiments of the present invention, but those skilled in the art can fully understand the present invention without the description of these details. In addition, in order to avoid unnecessary confusion about the essence of the present invention, well-known methods, processes, procedures, components and circuits are not described in detail.

[0055] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A gallstone surgical stone removal device, comprising a minimally invasive channel, characterized in that: A puncture needle tube is inserted into the minimally invasive channel, a support tube is inserted into the puncture needle tube, one end of the support tube is fixedly connected to a handle, the other end of the support tube is fixedly connected to an expansion port, a fixing plate is fixedly connected to the outer wall of the support tube, three sliding blocks are fixedly connected to the inner wall of the expansion port, two support frames are fixedly connected to the top outer wall of the handle, and a through hole is opened on the handle; A clamping assembly, the clamping assembly is used to clamp gallstones in the patient's gallbladder, and the clamping assembly is connected to the handles respectively; A cutting assembly is used to chop up larger gallstones in the patient's gallbladder, and the cutting assembly is connected to the expansion port and the handle respectively.

2. The gallstone removal device according to claim 1, characterized in that: The clamping assembly includes a pressure handle screwed on one end of the two support frames, one end of the pressure handle is screwed with a linkage column, the other end of the pressure handle is fixedly connected to a first elastic plate, one end of the linkage column is screwed with a clamping tube, three avoidance grooves are opened on the outer wall of the clamping tube, and the other end of the clamping tube is fixedly connected to three clamping petals.

3. The gallstone removal device according to claim 2, characterized in that: A rubber pad is fixedly connected to the inner wall of the clamping flap, a segmented groove is provided on the rubber pad, a first sliding groove is provided on the outer wall of the clamping flap, and a second sliding groove is provided on the inner wall of the clamping flap.

4. The gallstone surgical stone removal device according to claim 1, characterized in that: The cutting assembly comprises a second elastic plate fixedly connected to the outer wall of the bottom of the handle, the other end of the second elastic plate is fixedly connected to a pressing plate, and one end of the pressing plate is fixedly connected to a sliding ring.

5. The gallstone removal device according to claim 4, characterized in that: Support columns are symmetrically and fixedly connected on both sides of the sliding ring. Springs are sleeved on the support columns. The other end of the support columns is fixedly connected to a useful sliding plate. One end of the sliding plate is fixedly connected to three traction ropes.

6. The gallstone removal device according to claim 5, characterized in that: One end of the traction rope is fixedly connected with a hook, the hook is hung with a semicircular buckle, the semicircular buckle is rotatably connected with a linkage handle, and the linkage handle is rotatably connected with a linkage plate.

7. The gallstone removal device according to claim 6, characterized in that: A C-shaped buckle is fixedly connected to the top outer wall of the linkage plate, a third elastic plate is fixedly connected to the bottom outer wall of the linkage plate, and one end of the linkage plate is rotatably connected to a control plate.

8. The gallstone removal device according to claim 7, characterized in that: A fixing ring is clamped on the C-shaped buckle, and three fixing columns are fixedly connected to the outer wall of the fixing ring.

9. The gallstone removal device according to claim 7, characterized in that: Three clamping plates and a limit block are fixedly connected to an outer wall on one side of the control panel, a sliding column is fixedly connected to an outer wall on the other side of the control panel, and a sliding ball is fixedly connected to one end of the sliding column.

10. The gallstone removal device according to claim 7, characterized in that: A blade is clamped on the control board.

Images