CN209437326U - Pancreatic duct stone dislodger - Google Patents

Abstract

The utility model discloses pancreatic duct stone dislodgers, are related to field of medical device, including take madreporic canal, rotating block and clamping button, further include extraction element；Extraction element is fixedly mounted on the left end for taking madreporic canal, the left end of rotating block is fixedly installed with threaded rod, the right end of rotating block is fixedly installed with connecting rod, it takes and is provided with threaded hole in the middle part of madreporic canal, threaded hole is threadedly coupled with threaded rod, threaded rod and connecting rod are provided through pull slot, and the left end for clamping button is fixedly installed with pumping rod, and pumping rod is slidably connected with pull slot；Due to the calculus small volume in hepatic duct and ductus pancreaticus, it is not easy to clamp calculus while striking off calculus, it is then to propose the design of separate operations in response to this problem in the utility model, when rotating threaded rod, threaded rod drive takes the scraping piece at stone mouth to scrape calculus, pulls pumping rod later, and pumping rod drives clamping block to fix the calculus of scraping, due to using Distributed Design, the process of operation is simplified.

Description

Pancreatic duct stone dislodger

Technical field

The utility model relates to field of medical device, more specifically to pancreatic duct stone dislodger.

Background technique

Currently, hepatic duct and pancreatic stones treatment development are very fast, method is more: inverse through scope before gallbladder removal or after excision Stone (ERCP art) is taken through mesh basket or foley's tube after row cholangiography and Endoscopic Sphincterotomy of Duodenal Papilla Attached；It is passed through under intervention Skin is through liver stone-extraction operation；Exploration of common bile duct includes out abdomen or taking for the exploration of common bile duct through laparoscope enters by cystic duct Choledochus form (through gall-bladder technology, can be entered in choledochus with the stone basket Via bile duct for being connected with seal wire under fluoroscopy Take stone, further, choledochoscope can also be inserted into and take out calculus under direct-view) or directly cut choledochus take stone (to open abdomen or warp Celioscope common bile duct art), it can be entered under fluoroscopy with the stone basket for being connected with seal wire and take stone in bile duct, further , choledochoscope can also be inserted into and take out calculus under direct-view；Part calculus of bile duct and most of pancreatic stones are usually all close embedding And proximal end luminal stenosis, need that crushing technique is cooperated to smash stone first that (shock wave lithotripsy, extracorporeal shock wave are broken in mechanical lithotripsy, pipe Stone and dissolution therapy) after, recycle mesh basket or foley's tube to take stone.But current pancreatic duct stone dislodger on the market, lack one The stone dislodger that kind keeps calculus stable when taking out calculus is worked as if calculus cannot be fixed well in mobile process Middle calculus is easy to fall in the abdominal cavity of patient, damages, and existing stone dislodger is operationally comparatively laborious, operation Mode is complicated.

Utility model content

The purpose of this utility model is to provide for a kind of stone dislodger easy to operate and being capable of fixing the calculus taken out, Problem, and the pancreatic duct stone dislodger proposed.

To achieve the goals above, the utility model adopts the technical scheme that

Pancreatic duct stone dislodger, including madreporic canal, rotating block and clamping button are taken, it further include extraction element；The extraction element It is fixedly mounted on the left end for taking madreporic canal, the left end of the rotating block is fixedly installed with threaded rod, the right end of the rotating block It is fixedly installed with connecting rod, described taking is provided with threaded hole in the middle part of madreporic canal, the threaded hole is threadedly coupled with threaded rod, The threaded rod and connecting rod is provided through pull slot, and the left end of the clamping button is fixedly installed with pumping rod, described Pumping rod be slidably connected with pull slot, it is described that right side in the outer surface of madreporic canal is taken to be fixedly installed with latch closure.

Preferably, the extraction element include extract shell and scraping piece, the right end of the extractions shell with take stone The left end of pipe is fixedly connected, and the bottom surface of the extraction shell, which is provided with, takes stone mouth, and described taking is set at left and right sides of stone mouth Be equipped with sliding groove, the both ends of the scraping piece are slidably connected with sliding groove, the both ends of the scraping piece be connected with from Lever, the left end of the pumping rod are fixedly installed with fixed block, and the other end of the follower lever is flexibly connected with fixed block, Lifting device can will crush the calculus fallen and scrape and collect.

It preferably, further include clamping block, the clamping block activity installation extracts the inside of shell and clamps the opening of block Place, which is located at, takes stone mouth close to the side for taking madreporic canal, and the control terminal of the clamping block is fixedly connected with interlocking bar, the linkage The left end of the other end threaded rod of bar is fixedly connected and the junction of interlocking bar is located at the outer ring of pull slot, and the setting for clamping block is used It is fixed in by the rubble being collected into, prevents from sliding.

Preferably, it is fixedly connected with reset spring between the center of the scraping piece and the inner wall for extracting shell, it is described Clamping block between be fixedly connected with elastic slice, be fixedly installed with anti-slip layer on the inner surface of the clamping block, anti-slip layer is set It sets and fixes broken calculus convenient for clamping block.

Compared with prior art, the utility model provides pancreatic duct stone dislodger, have it is following the utility model has the advantages that

(1) in the utility model, by the way that extraction element is arranged, hepatic duct and ductus pancreaticus are scattered in by smashed calculus In, doctor needs accurately to take stone mouth to be directed at rubble the bottom surface for extracting shell, then by pulling pumping rod, pumping rod will It can be moved along the pull slot in the middle part of threaded rod and connecting rod, the inner end of pumping rod is fixedly installed with fixed block, and fixed block drives Follower lever is mobile, and follower lever drives scraping piece to move along sliding groove, and scraping piece scrapes rubble to mentioning in mobile process The inside of shell is taken, is held in order to facilitate doctor and takes madreporic canal, therefore latch closure, the finger of doctor is fixedly mounted in the outer surface for taking madreporic canal It extends into latch closure, convenient for holding with a firm grip, with the above arrangement, the utility model is enabled to scrape broken calculus；

(2) in the utility model, block is clamped by setting, when doctor scrapes broken calculus to the inside for extracting shell When, rotating block can be started turning, clamping button drives threaded rod to rotate along the threaded hole taken in the middle part of madreporic canal, and threaded rod is turning It is moved outward in dynamic process, threaded rod inner end drives interlocking bar mobile, and interlocking bar to press from both sides in mobile process Block is taken to shrink to middle part, the clamping block of two sides slowly steps up rubble, and doctor feels apparent resistance when rotating rotating block Power illustrates to clamp block for the fixed completion of rubble, and in order to avoid rubble further occurrence falls off, therefore the inner surface in clamping block is fixed Anti-slip layer is installed, to make rubble is fixed to complete, for the ease of scraping piece can Rapid reset, so in scraping piece and extraction It is fixedly installed with reset spring between shell, is similarly fixedly installed with elastic slice between clamping block, clamping block is protected constantly Open configuration is held, convenient for clamping calculus, with the above arrangement, enabling the utility model to fix broken calculus, convenient for taking Out, to prevent rubble from falling to the intraperitoneal generation secondary injury of patient.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the internal view of the utility model；

Fig. 3 is the partial enlarged view in Fig. 3 at A；

Fig. 4 is the structural schematic diagram of extraction element in the utility model；

Fig. 5 is the top view of the utility model extraction element.

Figure label explanation:

1, madreporic canal is taken；2, rotating block；3, button is clamped；4, extraction element；5, latch closure；6, threaded hole；7, threaded rod；8, it connects Bar；9, pull slot；10, pumping rod；11, shell is extracted；12, stone mouth is taken；13, sliding groove；14, piece is scraped；15, fixed block；16, Follower lever；17, interlocking bar；18, block is clamped；19, reset spring；20, anti-slip layer；21, elastic slice.

Specific embodiment

The following is a combination of the drawings in the embodiments of the present utility model；The technical scheme in the embodiment of the utility model is carried out Clearly and completely describe；Obviously；The described embodiments are only a part of the embodiments of the utility model；Rather than whole Embodiment.Based on the embodiments of the present invention；Those of ordinary skill in the art are without making creative work Every other embodiment obtained；It fall within the protection scope of the utility model.

Embodiment 1: please referring to Fig. 1-4, pancreatic duct stone dislodger, including takes madreporic canal 1, rotating block 2 and clamping button 3, further includes Extraction element 4；Extraction element 4 is fixedly mounted on the left end for taking madreporic canal 1, and the left end of rotating block 2 is fixedly installed with threaded rod 7, turns The right end of motion block 2 is fixedly installed with connecting rod 8, and the middle part of madreporic canal 1 is taken to be provided with threaded hole 6, threaded hole 6 and 7 screw thread of threaded rod Connection, threaded rod 7 and connecting rod 8 are provided through pull slot 9, and the left end of clamping button 3 is fixedly installed with pumping rod 10, pumping rod 10 are slidably connected with pull slot 9, and right side in the outer surface of madreporic canal 1 is taken to be fixedly installed with latch closure 5.

Extraction element 4 includes extracting shell 11 and scraping piece 14, and the right end for extracting shell 11 is fixed with the left end of madreporic canal 1 is taken Connection, the bottom surface for extracting shell 11, which is provided with, takes stone mouth 12, and the left and right sides of stone mouth 12 is taken to be provided with sliding groove 13, scrapes piece 14 both ends are slidably connected with sliding groove 13, and the both ends of scraping piece 14 are connected with follower lever 16, and the left end of pumping rod 10 is solid Dingan County is equipped with fixed block 15, and the other end of follower lever 16 is flexibly connected with fixed block 15.

In the utility model, by setting extraction element 4, it is scattered in hepatic duct and ductus pancreaticus by smashed calculus, Doctor needs accurately to take stone mouth 12 to be directed at rubble the bottom surface for extracting shell 11, then by pulling pumping rod 10, pull Bar 10 will be moved along the pull slot 9 at 8 middle part of threaded rod 7 and connecting rod, and the inner end of pumping rod 10 is fixedly installed with fixed block 15, fixed block 15 drives follower lever 16 mobile, and follower lever 16 drives scraping piece 14 to move along sliding groove 13, and scraping piece 14 is moving Rubble is scraped in dynamic process to the inside for extracting shell 11, is held in order to facilitate doctor and is taken madreporic canal 1, therefore is taking madreporic canal 1 Latch closure 5 is fixedly mounted in outer surface, and the finger of doctor extends into latch closure 5, convenient for holding with a firm grip, with the above arrangement, making this practical It is novel to scrape broken calculus.

Embodiment 2: please referring to Fig. 4-5, and the 1 different place in basis is in conjunction with the embodiments, further includes clamping block 18, The inside of the movable installation extraction shell 11 of clamping block 18 and the opening for clamping block 18, which are located at, takes stone mouth 12 is close to take the one of madreporic canal 1 The control terminal of side, clamping block 18 is fixedly connected with interlocking bar 17, the left end of the other end threaded rod 7 of interlocking bar 17 be fixedly connected and The junction of interlocking bar 17 is located at the outer ring of pull slot 9.

It scrapes and is fixedly connected with reset spring 19 between the center of piece 14 and the inner wall of extraction shell 11, clamp between block 18 It is fixedly connected with elastic slice 21, clamps and is fixedly installed with anti-slip layer 20 on the inner surface of block 18.

In the utility model, block 18 is clamped by setting, when doctor scrapes broken calculus to the inside for extracting shell 11 When, rotating block 2 can be started turning, clamping button 3 drives threaded rod 7 along the rotation of threaded hole 6 for taking 1 middle part of madreporic canal, spiral shell Rasp bar 7 moves outward in the process of rotation, and 7 inner end of threaded rod drives interlocking bar 17 mobile, and interlocking bar 17 is mobile To clamp block 18 in process to middle part contraction, the clamping block 18 of two sides slowly steps up rubble, and doctor rotates rotating block 2 When feel apparent resistance, illustrate to clamp block 18 and complete rubble is fixed, in order to avoid rubble further occurrence falls off, therefore It is fixedly installed with anti-slip layer 20 in the inner surface of clamping block 18, thus make rubble is fixed to complete, it can for the ease of scraping piece 14 Rapid reset, thus scraping piece 14 and extract shell 11 between be fixedly installed with reset spring 19, similarly clamping block 18 it Between be fixedly installed with elastic slice 21, enable clamping block 18 keep open configuration constantly, convenient for clamping calculus, with the above arrangement, The utility model is fixed broken calculus, convenient for taking out, to prevent rubble from falling to the intraperitoneal generation of patient Secondary injury.

It is described above；The only preferable specific embodiment of the utility model；But the protection scope of the utility model is not It is confined to this；Anyone skilled in the art is within the technical scope disclosed by the utility model；It is practical according to this Novel technical solution and its improvement design is subject to equivalent substitution or change；It should all cover in the protection scope of the utility model It is interior.In addition, one word of " comprising " is not excluded for other elements or step, "one" word before the component is not excluded for including " multiple " be somebody's turn to do Element.The multiple multiple elements stated in claim to a product can also by an element by software or hardware come real It is existing.The first, the second equal words are used to indicate names, and are not indicated any particular order.

Claims (4)

1. pancreatic duct stone dislodger, including take madreporic canal (1), rotating block (2) and clamping button (3), it is characterised in that: it further include extracting dress Set (4)；The extraction element (4) is fixedly mounted on the left end for taking madreporic canal (1), the fixed peace in the left end of the rotating block (2) Equipped with threaded rod (7), the right end of the rotating block (2) is fixedly installed with connecting rod (8), the middle part for taking madreporic canal (1) It is provided with threaded hole (6), the threaded hole (6) is threadedly coupled with threaded rod (7), the threaded rod (7) and connecting rod (8) It is provided through pull slot (9), the left end of the clamping button (3) is fixedly installed with pumping rod (10), the pumping rod (10) it is slidably connected with pull slot (9), right side is fixedly installed with latch closure (5) in the outer surface for taking madreporic canal (1).

2. pancreatic duct stone dislodger according to claim 1, it is characterised in that: the extraction element (4) includes outside extracting Shell (11) and scraping piece (14), the right end of the extraction shell (11) are fixedly connected with the left end of madreporic canal (1) is taken, and described mentions It takes the bottom surface of shell (11) to be provided with to take stone mouth (12), described taking is provided with sliding groove at left and right sides of stone mouth (12) (13), the both ends of the scraping piece (14) are slidably connected with sliding groove (13), and the both ends activity of the scraping piece (14) connects It is connected to follower lever (16), the left end of the pumping rod (10) is fixedly installed with fixed block (15), the follower lever (16) The other end is flexibly connected with fixed block (15).

3. pancreatic duct stone dislodger according to claim 1, it is characterised in that: further include clamping block (18), the clamping The inside of movable installation extraction shell (11) of block (18) and the opening for clamping block (18), which are located at, takes stone mouth (12) are close to take madreporic canal (1) control terminal of side, the clamping block (18) is fixedly connected with interlocking bar (17), the interlocking bar (17) it is another The left end at end threaded rod (7) is fixedly connected and the junction of interlocking bar (17) is located at the outer ring of pull slot (9).

4. pancreatic duct stone dislodger according to claim 2, it is characterised in that: the center of the scraping piece (14) and extraction It is fixedly connected between the inner wall of shell (11) reset spring (19), is fixedly connected with elastic slice between the clamping block (18) (21), anti-slip layer (20) are fixedly installed on the inner surface of the clamping block (18).