CN109730746B

CN109730746B - Calculus removing device for hepatobiliary surgery

Info

Publication number: CN109730746B
Application number: CN201910061550.7A
Authority: CN
Inventors: 薛峰; 赵敬
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-23
Filing date: 2019-01-23
Publication date: 2021-05-14
Anticipated expiration: 2039-01-23
Also published as: CN109730746A; CN112842468A; CN112842468B

Abstract

The invention relates to the technical field of medical instruments, in particular to a calculus removing device for a hepatobiliary surgery, which comprises an outer barrel, a partition plate, a calculus removing device and a transfusion device, wherein the outer barrel is of a cylindrical structure, a first through hole is formed in the middle of the left end and the right end of the outer barrel, a second through hole is formed in the front end of the first through hole, a first through groove is formed in the rear end of the first through hole, the partition plate is fixedly connected to the middle of the inner part of the outer barrel, the first through hole and the second through hole are correspondingly formed in the partition plate, and a clamping groove. The invention has reasonable structural design, realizes the wrapping of large stones and the cutting and clamping of residual small connective blocks by pushing and rotating the T-shaped rod leftwards, retracts the stone taking-out device into the outer barrel by rotating rightwards and pulling the T-shaped rod, and simultaneously extends the needle tube out of the second through hole, thereby being convenient for injecting medicine, having complete functions and wide visual field and having good popularization prospect.

Description

Calculus removing device for hepatobiliary surgery

Technical Field

The invention relates to the technical field of medical instruments, in particular to a calculus removing device for a hepatobiliary surgery.

Background

Solid blocks formed in the catheter cavity or the cavity of cavity organs (such as kidney, ureter, gall bladder or bladder and the like) in a human body or an animal body are mainly found in the gall bladder, the bladder and the renal pelvis and also can be found in the cavities of a pancreatic duct, a salivary gland duct and the like, calculus consists of inorganic salt or organic matters, a core is generally arranged in the calculus and consists of desquamated epithelial cells, bacterial lumps, parasitic ova or polypide, fecal masses or foreign matters, and the calculus can cause lumen obstruction, influence the drainage of liquid of affected organs and generate symptoms of pain, bleeding or secondary infection and the like; most of the gallstones have no clinical symptoms, the typical symptom of the gallstone is biliary colic, part of the gallstones can also be cholecystitis attack, some patients can have Mirrizzi syndrome (cholecystitis, obstructive jaundice and cholangitis), bile duct stones can be caused if the gallstones are discharged into bile ducts, the patients with the gallstone can have no clinical symptoms, can also have abdominal pain and jaundice, patients with bile duct infection can have fever, abdominal pain and jaundice, severe patients can have shock and mental nervous system symptoms, and part of the gallstones can also cause the attack of cholegenic pancreatitis, more and more gallstone patients in hospitals, the traditional gallstone equipment can not meet the requirements of hospitals and patients in the face of diversified patients and different disease symptoms, and the traditional gallstone equipment is few at present, particularly in the treatment of the gallstone, the lithotomy medical equipment is rare, single in function, and the operation is comparatively complicated, can not be fine provide the treatment for the patient, and patient treatment experience is relatively poor.

CN107970056A is a stone removing device for hepatobiliary surgery and a method thereof, and the effort is made for the stone removing device, wherein the stone removing device is connected with a drainage electric control valve through a drainage tube to suck bile in a gall bladder, the cleaning electric control valve is connected through a cleaning tube to realize the washing of the gall bladder cavity by physiological saline, so that the visual field is clear, stones in the gall bladder are removed under the direct vision of a fiber choledochoscope, the negative pressure drainage, the physiological saline cleaning and the carbon dioxide tissue swelling function can be realized, the stone removing work is greatly facilitated, the operation efficiency of medical staff is improved, the operation is facilitated, and the preparation work time and the work load of the medical staff are greatly reduced. The device has high cost, single function of a tool and common stone removal effect, and cannot remove residual polyp connective tissues together, so the improvement is needed.

Disclosure of Invention

The invention aims to overcome the technical defects and provides a calculus removing device for a hepatobiliary surgery, which is reasonable in structural design, realizes the wrapping of large calculus and the cutting and clamping of residual small connective blocks by pushing and rotating a T-shaped rod leftwards, is convenient for medicine injection and has complete functions and wide visual field by rotating rightwards and pulling the T-shaped rod to withdraw the calculus removing device into an outer barrel and simultaneously enabling a needle tube to extend out of a second through hole.

The technical scheme adopted by the invention for solving the technical problems is as follows: a calculus removing device for hepatobiliary surgery comprises an outer barrel, a partition plate, a calculus removing device and a transfusion device, wherein the outer barrel is of a cylindrical structure, a first through hole is formed in the middle of the left end and the right end of the outer barrel, a second through hole is formed in the front end of the first through hole, a first through groove is formed in the rear end of the first through hole, the partition plate is fixedly connected with the middle of the inner barrel, a first through hole and a second through hole are formed in the partition plate, a clamping groove is formed in the upper end of the first through hole, the inner barrel is limited, the inner barrel can only move leftwards and rightwards and cannot rotate, the upper supporting ring and the lower supporting ring which are contracted are prevented from generating motion interference with a transfusion barrel and a second connecting rod which are arranged at the front end and the rear end of the inner barrel, the calculus removing device comprises an inner barrel, a T-shaped rod, a clamping block, an upper supporting ring, a lower, the inner barrel is internally hinged with a T-shaped rod, the front end of the T-shaped rod extends out of the upper end of the inner barrel by 1cm and is fixedly connected with an upper supporting ring, the right end of the lower supporting ring is fixedly connected with the left lower end of the inner barrel, the left ends of the upper supporting ring and the lower supporting ring are hinged, a telescopic rod is fixedly connected between the upper supporting ring and the lower supporting ring, when the calculus taking device is positioned at the inner side of the outer barrel, the upper supporting ring and the lower supporting ring are overlapped together, the space occupancy rate is reduced, the visual field is enlarged, when the calculus is required to be taken out, the T-shaped rod is pushed leftwards to push the upper supporting ring and the lower supporting ring out from a first through hole to be aligned with the calculus, the T-shaped rod is rotated anticlockwise, the telescopic rod is pulled open by the upper supporting ring and the lower supporting ring, and the telescopic rod is wrapped in the calculus along with the rotation of the upper supporting ring in a tuck shape, the second connecting rod is of an L-shaped plate structure with an included angle of 120 degrees and the left end penetrating through the first through groove, a clamp is formed, the cutting and clamping of the residual small connective blocks are facilitated, the limiting plate is arranged at the rear end of the second connecting rod, the right end of the limiting plate is fixedly connected with the partition plate, the left side of the limiting plate is provided with a chute, the rear end of the left side fixing column is clamped in the chute, when the T-shaped rod extends out of the first through hole in the left side, the left side fixing column is clamped at the leftmost end of the chute, the opening of the two second connecting rods is largest, on one hand, the influence on the stone of a net bag is avoided, on the other hand, the stone behind the net bag can be blocked and the residual small connective blocks can be cut and clamped by pulling the T-shaped plate rightwards, the infusion device is composed of an infusion tube, a needle tube, a spring, a wire, a snap ring, a piston and a push rod, the clamping block are, terminal surface rigid coupling and its right-hand member rigid coupling are on infusion section of thick bamboo in spring left end and urceolus left side, the joint has piston and piston right-hand member rigid coupling to have a push rod in the infusion section of thick bamboo, the push rod passes the second through-hole on baffle and urceolus right side in proper order right, the anterior of urceolus left end inner wall and the equal rigid coupling of inner tube right side front end have the snap ring, and the one end rigid coupling of line passes left side snap ring and right side snap ring rigid coupling in proper order at infusion section of thick bamboo left upper end and its other end, when clockwise rotation and pull T type pole right and retrieve the urceolus inside with calculus remove device, snap ring pulling transfer line compression spring on the inner tube left motion, and the needle tubing.

Furthermore, the distance from the hinged position of the first connecting rod and the second connecting rod to the left side fixing column is smaller than the inner diameter of the 1/2 outer cylinder, so that the inner cylinder is prevented from driving the second connecting rod to move and generate the inner part of the outer cylinder.

The invention has the beneficial effects that: the invention has reasonable structural design, realizes the wrapping of large stones and the cutting and clamping of residual small connective blocks by pushing and rotating the T-shaped rod leftwards, retracts the stone taking-out device into the outer barrel by rotating rightwards and pulling the T-shaped rod, and simultaneously extends the needle tube out of the second through hole, thereby being convenient for injecting medicine, having complete functions and wide visual field and having good popularization prospect.

Drawings

FIG. 1 is a schematic structural view of a stone retrieval device of the present invention.

Fig. 2 is a schematic structural view of the infusion set of the present invention.

Fig. 3 is a rear view of the structure of the present invention.

FIG. 4 is a schematic structural diagram of the outer cylinder of the present invention.

Figure 5 is a schematic view of the internal structure of the stone retrieval device of the present invention.

Detailed Description

The present invention will be described in detail below with reference to fig. 1 to 5.

As shown in figures 1-5, the invention comprises an outer barrel 1, a clapboard 2, a calculus removing device and a transfusion device, wherein the outer barrel 1 is a cylindrical structure with a first through hole 1-1 arranged in the middle of the left end and the right end and a second through hole 1-3 arranged at the front end of the first through hole 1-1, a first through groove 1-2 is arranged at the rear end of the first through hole 1-1 and the clapboard 2 is fixedly connected in the middle of the inner barrel 1, the clapboard 2 is correspondingly provided with the first through hole 1-1 and the second through hole 1-3 and a clamping groove 2-1 is arranged at the upper end of the first through hole 1-1, the inner barrel 3 is limited to ensure that the inner barrel 3 can only move left and right and can not rotate, and the contracted upper supporting ring 3-3 and lower supporting ring 3-4 are prevented from generating motion interference with a transfusion barrel 4 and second connecting rods 3-10, the calculus removing device comprises an inner barrel 3, a T-shaped rod 3-1, a clamping block 3-2, an upper supporting ring 3-3, a lower supporting ring 3-4, a telescopic rod 3-5, a limiting plate 3-6, a sliding groove 3-7, a fixing column 3-8, a first connecting rod 3-9 and a second connecting rod 3-10, wherein the clamping block 3-2 is fixedly connected to the upper end of the inner barrel 3, the clamping block 3-2 is clamped in a clamping groove 2-1, the T-shaped rod 3-1 is hinged to the inner barrel 3, the upper supporting ring 3-3 is fixedly connected to the upper end, extending out of the left side of the inner barrel 3, of the front end of the T-shaped rod 3-1, of the inner barrel 3, the right end of the lower supporting ring 3-4 is fixedly connected to the left lower end of the inner barrel 3, the left ends of the upper supporting ring 3-3 and, when the calculus removing device is positioned on the inner side of the outer barrel 1, the upper support ring 3-3 and the lower support ring 3-4 are overlapped together to reduce the space occupancy rate and enlarge the visual field, when calculus needs to be removed, the T-shaped rod 3-1 is pushed leftwards to push the upper support ring 3-3 and the lower support out of the first through hole 1-1 to align the calculus, the T-shaped rod 3-1 is rotated anticlockwise, the telescopic rod 3-5 is pulled open by the upper support ring 3-3 and the lower support ring 3-4 and the calculus is wrapped in the inner part of the telescopic rod along with the rotation of the upper support ring 3-3 to form a net-bag shape, the middle of the left rear end of the inner barrel 3 is fixedly connected with the fixed column 3-8, the left end of the fixed column 3-8 is hinged with two first connecting rods 3-9, the left ends of the first connecting rods 3-9 are hinged with second connecting rods 3-10, and the middle of, the second connecting rods 3-10 are L-shaped plate-shaped structures with included angles of 120 degrees and the left ends penetrating through the first through grooves 1-2 to form a clamp, so that the cutting and clamping of residual small connective blocks are facilitated, the limiting plates 3-6 are arranged at the rear ends of the second connecting rods 3-10, the right ends of the limiting plates 3-6 are fixedly connected with the partition plate 2, the sliding grooves 3-7 are arranged on the left sides of the limiting plates 3-6, the rear ends of the left fixed columns 3-8 are clamped in the sliding grooves 3-7, when the left sides of the T-shaped rods 3-1 extend out of the first through holes 1-1, the left fixed columns 3-8 are clamped at the leftmost ends of the sliding grooves 3-7, the openings of the two second connecting rods 3-10 are the largest, on one hand, the influence on the stone pocket is avoided, on the other hand, the stone behind the pocket can be blocked and the, the infusion device comprises an infusion tube 4, a needle tube 4-1, a spring 4-2, a wire 4-3, a clamping ring 4-4, a piston 4-5 and a push rod 4-6, wherein the rear end of the infusion tube 4 is fixedly connected with a clamping block 3-2, the clamping block 3-2 is clamped in a clamping groove 2-1 at the right end of an inner tube 3, the middle of the left end of the infusion tube 4 is fixedly connected with the needle tube 4-1, the needle tube 4-1 is sleeved with the spring 4-2, the left end of the spring 4-2 is fixedly connected with the inner end surface at the left side of an outer tube 1, the right end of the spring is fixedly connected with the infusion tube 4, the piston 4-5 is clamped in the infusion tube 4, the piston 4-5 is fixedly connected with the push rod 4-6, the push rod 4-6 sequentially penetrates through a partition plate 2 and a second through hole 1-3 at the right side of the outer tube 1 rightwards, the front part of the inner, and the right end of the wire 4-3 is fixedly connected with the left upper end of the infusion tube 4, and the right end of the wire sequentially penetrates through the left snap ring 4-4 to be fixedly connected with the right snap ring 4-4, when the T-shaped rod 3-1 is rotated clockwise and pulled rightwards to retract the calculus removing device into the outer tube 1, the snap ring 4-4 on the inner tube 3 pulls the infusion tube to compress the spring 4-2 to move leftwards, and the needle tube 4-1 extends out of the second through hole 1-3, so that the medicine can be conveniently injected.

In this embodiment, the distance from the hinged position of the first connecting rod 3-9 and the second connecting rod 3-10 to the left side fixing column 3-8 is less than 1/2 inner diameter of the outer cylinder 1, so as to avoid the movement interference generated between the inner cylinder 3 and the inner cylinder 1 in the process of driving the second connecting rod 3-10 to move.

When the calculus removing device is used, when the calculus removing device is positioned on the inner side of the outer barrel 1, the upper support ring 3-3 and the lower support ring 3-4 are overlapped together, the space occupancy rate is reduced, the visual field is enlarged, when the calculus is required to be removed, the T-shaped rod 3-1 is pushed leftwards to push the upper support ring 3-3 and the lower support out of the first through hole 1-1 to align the calculus, the T-shaped rod 3-1 is rotated anticlockwise, the telescopic rod 3-5 is pulled open by the upper support ring 3-3 and the lower support ring 3-4 to form a net bag shape along with the rotation of the upper support ring 3-3 to wrap the calculus in the inner part, meanwhile, the left fixing column 3-8 is clamped at the leftmost end of the sliding groove 3-7, the left ends of the two second connecting rods 3-10 are maximally opened, on one hand, the influence on the net bag calculus is avoided, on the other hand, the stone after the net bag can, when the calculus removing device rotates clockwise and pulls the T-shaped rod 3-1 rightwards to retract the calculus removing device into the outer barrel 1, the clamping ring 4-4 on the inner barrel 3 pulls the infusion tube to compress the spring 4-2 to move leftwards, and the needle tube 4-1 extends out of the second through hole 1-3, so that the medicine injection is convenient, the functions are complete, and the visual field is wide.

Claims

1. The utility model provides a calculus remove device for hepatobiliary surgery, includes urceolus, baffle, calculus remove device and infusion set, its characterized in that: the outer barrel is of a cylindrical structure, a first through hole is formed in the middle of the left end and the right end of the outer barrel, a partition plate is fixedly connected in the middle of the inner portion of the outer barrel, a first through hole and a second through hole are formed in the partition plate, a clamping groove is formed in the upper end of the first through hole, the calculus removing device is composed of an inner barrel, a T-shaped rod, a clamping block, an upper supporting ring, a lower supporting ring, a telescopic rod, a limiting plate, a sliding groove, a fixing column, a first connecting rod and a second connecting rod, the upper end of the inner barrel is fixedly connected with the clamping block, the clamping block is clamped in the clamping groove, the inner barrel is internally hinged with the T-shaped rod, the front end of the T-shaped rod extends out of 1cm of the inner barrel, the upper end of the T-shaped rod is fixedly connected with the upper supporting ring and the left end of the lower supporting ring, the right end of the lower supporting ring is hinged with the left end of the, the left end of the first connecting rod is hinged with a second connecting rod, the middle of the two second connecting rods is hinged in a crossed manner through a fixing column, the second connecting rods are of an L-shaped plate structure with an included angle of 120 degrees and the left end penetrating through the first through groove, the rear end of each second connecting rod is provided with a limiting plate, the right end of each limiting plate is fixedly connected with the partition plate, the rear end of each limiting plate is provided with a chute, the rear end of each limiting plate is clamped in the chute, the rear end of each limiting plate is provided with a slide groove, the rear end of each slide groove is clamped in a clamping groove of the right end of the inner tube, the rear end of each infusion tube is fixedly connected with a clamping block, the clamping block is clamped in a clamping groove of the right end of the inner tube, the middle of the left end of each infusion tube is fixedly connected with the corresponding needle tube, the spring is sleeved on the needle tube, the left end of the spring is fixedly connected with the inner end face, the front portion of the inner wall of the left end of the outer cylinder and the front end of the right side of the inner cylinder are fixedly connected with snap rings, one end of each wire is fixedly connected to the upper left end of the infusion cylinder, and the other end of each wire sequentially penetrates through the left snap ring and the right snap ring to be fixedly connected.

2. The stone retrieval device for hepatobiliary surgery of claim 1, wherein: the distance from the hinged position of the first connecting rod and the second connecting rod to the left fixing column is less than 1/2 inner diameter of the outer cylinder.