CN110786912B - Stone extractor for hepatobiliary surgery - Google Patents
Stone extractor for hepatobiliary surgery Download PDFInfo
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- CN110786912B CN110786912B CN201911156100.2A CN201911156100A CN110786912B CN 110786912 B CN110786912 B CN 110786912B CN 201911156100 A CN201911156100 A CN 201911156100A CN 110786912 B CN110786912 B CN 110786912B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/22031—Gripping instruments, e.g. forceps, for removing or smashing calculi
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
- A61B18/22—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor
- A61B18/26—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor for producing a shock wave, e.g. laser lithotripsy
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/22031—Gripping instruments, e.g. forceps, for removing or smashing calculi
- A61B2017/22034—Gripping instruments, e.g. forceps, for removing or smashing calculi for gripping the obstruction or the tissue part from inside
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/22031—Gripping instruments, e.g. forceps, for removing or smashing calculi
- A61B2017/22035—Gripping instruments, e.g. forceps, for removing or smashing calculi for retrieving or repositioning foreign objects
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
- A61B2018/2015—Miscellaneous features
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Abstract
The invention discloses a lithotomy device for hepatobiliary surgery, which has the technical scheme that the lithotomy device comprises a lithotomy device body, wherein the lithotomy device body comprises a lithotomy tube, a first arc-shaped clamp, a second arc-shaped clamp, a control part, a first handle and a second handle, the length direction of the lithotomy tube and the length direction of the first arc-shaped clamp and the second arc-shaped clamp are arranged in an L-shaped structure, the first arc-shaped clamp is hinged with a plurality of first extension rods, the second arc-shaped clamp is hinged with a plurality of second extension rods, a first gap is arranged between every two adjacent first extension rods, a second gap is arranged between every two adjacent second extension rods, a stay cord is arranged in the lithotomy tube, one end of the stay cord is fixedly connected with the inner side walls of all the first extension rods and the second extension rods through a plurality of branched ropes, resetting devices are respectively arranged between the first extension rods and the first arc-shaped clamps and between the second extension rods and the second arc-shaped clamps, the stone extractor can conveniently and accurately grab stones in the biliary tract.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a stone extractor for hepatobiliary surgery.
Background
In the cavity of a catheter or in the cavity of a cavity organ in a human body, a solid block, namely calculus, can be formed due to bad living habits of the individual. Calculus can cause obstruction of the lumen, affecting the drainage of fluid from the affected organs, causing pain, bleeding or secondary infection.
The existing medical solution is different according to different calculus treatment methods of different parts, and the calculus treatment scheme of the same part is comprehensively determined according to factors such as the size of calculus of a patient, the physical condition of the patient and the like. The whole stone breaking and fetching method is divided into stone breaking and stone fetching, the stone breaking is generally divided into sound wave stone breaking and laser stone breaking, the sound wave stone breaking is safe and convenient, but the sound wave stone breaking cannot achieve a good treatment effect when the stones are too large, meanwhile, the sound wave stone breaking is not suitable for biliary tract stone patients, the laser stone breaking is realized through holmium laser stone breaking, the holmium laser has the defect of low precision, multiple stone breaking and removing operations are needed, the other treatment means is minimally invasive stone fetching, the stone fetching is realized by opening a small opening at an affected part and extending into a stone fetching device, and the method has the advantages of slight trauma, less bleeding, low complication, surgical cost saving, easiness in mastering of surgical skills and the like.
The existing stone taking mode is to take stones from biliary tracts through a stone taking basket, in a minimally invasive surgery, when stones are large, the stone taking basket which can be propped open to form a large grabbing space needs to be inserted, the angle of the stone taking basket needs to be adjusted for many times for stones with irregular shapes, and the stones need to be propped open as much as possible to be grabbed, so that the operation is complicated, and even the condition of stone taking failure often occurs.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a lithotomy device for hepatobiliary surgery, which can conveniently and accurately grab stones in biliary tracts.
In order to achieve the purpose, the invention provides the following technical scheme: a stone extractor for hepatobiliary surgery comprises a stone extractor body, wherein the stone extractor body comprises a stone extracting pipe which is arranged in a hollow cylindrical structure, a first arc-shaped clamp and a second arc-shaped clamp which are used for clamping stones at an affected part, a control component which is used for controlling the first arc-shaped clamp and the second arc-shaped clamp to be closed or opened, a first handle and a second handle which are used for manually pulling the control component to control the first arc-shaped clamp and the second arc-shaped clamp to be closed or opened, the length direction of the stone extracting pipe and the length direction of the first arc-shaped clamp and the second arc-shaped clamp are arranged in an L-shaped structure, and the control component can pull the first arc-shaped clamp and the second arc-shaped clamp to be closed when the first handle and the second handle are closed;
the end face, far away from the control part, of the first arc-shaped clamp is hinged with a plurality of first extension rods, the first extension rods extend along the length direction of the first arc-shaped clamp, the end face, far away from the control part, of the second arc-shaped clamp is hinged with a plurality of second extension rods, the second extension rods extend along the length direction of the second arc-shaped clamp, a first gap for embedding the second extension rods is formed between every two adjacent first extension rods, a second gap for embedding the first extension rods is formed between every two adjacent second extension rods, a pull rope is arranged in the stone taking pipe, one end of the pull rope is fixedly connected with the inner side walls of all the first extension rods and the second extension rods through a plurality of forked ropes, the other end of the pull rope extends out of an opening of the stone taking pipe, and the first extension rods and the second extension rods are gradually embedded into the second gap and the first gap until the first extension rods and the second extension rods are embedded into clamping areas of the first arc-shaped clamp and the second arc-shaped clamp in the pulling process, reset device all is provided with between first extension rod and the first arc clamp and between second extension rod and the second arc clamp, and reset device can reset first extension rod and second extension rod and open and make the stay cord reset when releasing the stay cord.
The invention is further configured to: get the length direction of stone pipe and the length direction of first handle and second handle and be L shape structure setting, it sets up to get the stone ware body to be Z shape structure.
The invention is further configured to: the first handle and the second handle are both arranged in an arc structure, the middle part of the first handle is hinged with the middle part of the second handle through a first hinge part, the first handle is fixedly connected with the calculus removing tube, the control part comprises a control rope which is arranged in the calculus removing tube in a Y-shaped structure, two ends of the control rope are respectively fixedly connected with one ends of the first arc-shaped clamp and the second arc-shaped clamp close to the stone taking pipe, the other end of the control rope is fixedly connected with the upper end of the second handle, the upper end of the second handle can pull the control rope to move outwards in the process that the second handle rotates towards the first handle along the first hinge part, so that the control rope drives the first arc-shaped clamp and the second arc-shaped clamp to be closed, and a return spring for resetting the first arc-shaped clamp and the second arc-shaped clamp to be opened is arranged between the first arc-shaped clamp and the second arc-shaped clamp, and the return spring can be used for opening the first arc-shaped clamp and the second arc-shaped clamp and resetting the control rope when the second handle is released.
The invention is further configured to: the movable part can restore the first arc-shaped clamp and the second arc-shaped clamp in the process of releasing the movable rod, so that the length directions of the first arc-shaped clamp and the second arc-shaped clamp are perpendicular to the length direction of the stone taking pipe.
The invention is further configured to: the middle part of the first handle is hinged with the middle part of the second handle through a first hinged part, the first handle and the second handle are arranged in a crossed hinged mode, a connecting support is externally connected to the first hinged part, the first hinged part is fixedly connected with the stone taking pipe through the connecting support, the control part comprises two connecting rods arranged in the stone taking pipe, the two connecting rods are arranged in parallel, one end of one connecting rod is fixedly connected with the upper end of the first handle, the other end of the connecting rod is fixedly connected with one end, close to the stone taking pipe, of the second arc clamp, and one end of the other connecting rod is fixedly connected with the upper end of the second handle, the other end of the connecting rod is fixedly connected with one end, close to the stone taking pipe, of the first arc.
The invention is further configured to: and a measuring device for measuring the distance between the first handle and the second handle is arranged between the first handle and the second handle.
The invention is further configured to: one end of the pull rope close to the first handle is provided with a pull ring which is convenient for a user to insert fingers, and the pull ring is positioned at the upper end of the first handle and the upper end of the second handle.
The invention is further configured to: the position department that corresponds first extension rod on the first arc presss from both sides the inside wall is provided with the first embedded groove of embedding when supplying first extension rod closure, the position department that corresponds the second extension rod on the second arc presss from both sides the inside wall is provided with the second embedded groove of embedding when supplying the second extension rod closure.
The invention is further configured to: the first embedded groove and the second embedded groove are internally provided with channels for the insertion of the forked ropes, the channels extend along the length direction of the first arc-shaped clamp and the second arc-shaped clamp, and the other opening of the channel is communicated with the inner cavity of the stone taking pipe.
In conclusion, the invention has the following beneficial effects: the L-shaped structure is arranged when the stone extractor extends into an affected part to grab the stone, so that the operation visual field of an operator can be effectively ensured, and the effect of convenient grabbing is achieved; the first extension rod and the second extension rod can be designed to have an additional extension effect when a longer stone is grabbed, and can be recovered when a proper stone is grabbed, so that the stone in the clamping area of the first arc-shaped clamp and the second arc-shaped clamp can be fixed, and the stability of the stone taken out from the body subsequently is ensured; the design of the first gap and the second gap can ensure that the first extension rod and the second extension rod can be embedded like a ten-finger embedding when being embedded, namely, enough tightness is ensured when being embedded, and the first extension rod and the second extension rod can also be ensured not to touch, so that the mutual obstruction condition occurs; the first extension rod and the second extension rod are contracted into the clamping area of the first arc-shaped clamp and the second arc-shaped clamp through the manual control pull rope before stretching into the stone extractor, so that the effective volume of the stone extractor is reduced, the stone extractor is more convenient to stretch into the stone extractor, the control on the pull rope is released after stretching into the stone extractor, the first extension rod and the second extension rod are reset by the reset device, the expanded clamping state to be treated is changed, and the effect of freely changing the effective volume is realized.
Drawings
FIG. 1 is a schematic structural diagram of a stone extractor with a control component being a control rope;
FIG. 2 is a schematic structural diagram of a stone extractor with a control component being a control rope in a stretching state;
FIG. 3 is a schematic structural view of the stone extractor with the control part being a connecting rod;
FIG. 4 is a schematic view of the first and second arcuate clips in closed extension;
FIG. 5 is a schematic view of the first and second arcuate clamps in their expanded configuration.
Reference numerals: 1. a stone extractor body; 11. taking a stone tube; 111. pulling a rope; 112. a bifurcated rope; 113. a pull ring; 12. a first arcuate clamp; 121. a first extension bar; 122. a first gap; 123. a first embedded groove; 1231. a channel; 13. a second arcuate clamp; 131. a second extension bar; 132. a second gap; 133. a second embedded groove; 14. a control component; 141. a control cord; 142. a connecting rod; 15. a first handle; 151. a first hinge portion; 152. connecting a bracket; 16. a second handle; 17. a return spring; 2. a measuring device; 3. a movable rod.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Referring to fig. 1 to 5, in order to achieve the above object, the present invention provides the following technical solutions: a stone extractor for hepatobiliary surgery comprises a stone extractor body 1, wherein the stone extractor body 1 comprises a stone extracting tube 11 which is arranged in a hollow cylindrical structure, a first arc-shaped clamp 12 and a second arc-shaped clamp 13 which are used for clamping stones at an affected part, a control component 14 which is used for controlling the first arc-shaped clamp 12 and the second arc-shaped clamp 13 to be closed or opened, and a first handle 15 and a second handle 16 which are used for manually pulling the control component 14 to control the first arc-shaped clamp 12 and the second arc-shaped clamp 13 to be closed or opened, the length direction of the stone extracting tube 11 and the length direction of the first arc-shaped clamp 12 and the second arc-shaped clamp 13 are arranged in an L-shaped structure, and the L-shaped structure can effectively ensure the operation visual field of an operator when the stone extractor stretches into the affected part to grab stones, so as to achieve the effect of facilitating gripping, the control part 14 can pull the first arc-shaped clamp 12 and the second arc-shaped clamp 13 to close when the first handle 15 and the second handle 16 are closed;
the end face of the first arc-shaped clamp 12 far away from the control part 14 is hinged with a plurality of first extension rods 121, the first extension rods 121 extend along the length direction of the first arc-shaped clamp 12, the end face of the second arc-shaped clamp 13 far away from the control part 14 is hinged with a plurality of second extension rods 131, the second extension rods 131 extend along the length direction of the second arc-shaped clamp 13, the first extension rods 121 and the second extension rods 131 can play an additional extension role when grabbing longer stones, the first extension rods 121 and the second extension rods 131 can be recovered when grabbing proper stones, the stones in the clamping area of the first arc-shaped clamp 12 and the second arc-shaped clamp 13 can be fixed, the stability when the stones are taken out from the body is ensured, and in addition, when grabbing stones with irregular shapes, the stones can be stably clamped through the first arc-shaped clamp 12 and the second arc-shaped clamp 13, a first gap 122 for embedding the second extension rod 131 is arranged between two adjacent first extension rods 121, a second gap 132 for embedding the first extension rod 121 is arranged between two adjacent second extension rods 131, the first gap 122 and the second gap 132 are designed to enable the first extension rod 121 and the second extension rod 131 to be embedded like a cross, namely, enough tightness is ensured during embedding, the first extension rod 121 is also ensured not to be touched by the second extension rod 131, the stone taking pipe 11 is internally provided with a pull rope 111, one end of the pull rope 111 is fixedly connected with the inner side walls of all the first extension rod 121 and all the second extension rod 131 through a plurality of branched ropes 112, the other end of the pull rope 111 extends out from the opening of the stone taking pipe 11, and the first extension rod 121 and the second extension rod 131 are gradually embedded into the second gap 132 and the first gap 122 until the first extension rod 121 and the second extension rod 131 are embedded into the first arc 13-shaped clamp 12 and the second arc 13-shaped clamp 12 in the process of pulling the stone taking pipe 111 In the clamping area, the design of the pull rope 111 synchronously controls all the first extension rod 121 and the second extension rod 131 through a wire control method, the method is convenient to control and can play a role in flexible control through manually controlling the pull rope 111, reset devices are arranged between the first extension rod 121 and the first arc-shaped clamp 12 and between the second extension rod 131 and the second arc-shaped clamp 13, when the pull rope 111 is released, the reset devices can reset and open the first extension rod 121 and the second extension rod 131 and reset the pull rope 111, through the design of the reset devices, the first extension rod 121 and the second extension rod 131 are firstly contracted into the clamping area of the first arc-shaped clamp 12 and the second arc-shaped clamp 13 through the manually controlling the pull rope 111 before stretching, so that the effective volume of the stone extractor is reduced, the stone extractor is more convenient to stretch, and after stretching, the control on the pull rope 111 is released, the reset devices reset the first extension rod 121 and the second extension rod 131, the return means may be a torsion spring arranged at the hinge to become the unfolded to-be-clamped state.
In addition, the length direction of the stone taking pipe 11 and the length direction of the first arc-shaped clamp 12 and the second arc-shaped clamp 13 are arranged in an L-shaped structure, stones on affected parts can be grabbed from the side face in the design, compared with the front grabbing, the distance between the stones and the first arc-shaped clamp 12 and the distance between the stones and the second arc-shaped clamp 13 can be seen more visually, so that the effect of more convenient movement and positioning are achieved, the L-shaped design is matched with the design of the first arc-shaped clamp 12 and the second arc-shaped clamp 13, compared with the existing stone taking net basket, the angle does not need to be adjusted for multiple times, after the stones are directly moved in place, the stones can be directly grabbed and grabbed by closing the first arc-shaped clamp 12 and the second arc-shaped clamp 13, the operation is.
Get the length direction of stone pipe 11 and the length direction of first handle 15 and second handle 16 and be L shape structure setting, get stone ware body 1 and be Z shape structure setting, get the whole Z shape design that is of stone ware, it is mainly enough spacious to press from both sides the field of vision that the in-process was guaranteed to the centre gripping position of getting, can not cause the interference to the field of vision of centre gripping position when operation first handle 15 and second handle 16 to the smooth of operation has been guaranteed.
The first handle 15 and the second handle 16 are both arranged in an arc structure, the middle part of the first handle 15 and the middle part of the second handle 16 are hinged through a first hinge part 151, the first handle 15 is fixedly connected with the stone taking pipe 11, the control part 14 comprises a control rope 141 which is arranged in the stone taking pipe 11 in a Y-shaped structure, two ends of the control rope 141 are respectively fixedly connected with one ends of the first arc-shaped clamp 12 and the second arc-shaped clamp 13 close to the stone taking pipe 11, the other end of the control rope 141 is fixedly connected with the upper end of the second handle 16, the upper end of the second handle 16 can pull the control rope 141 to move outwards in the process that the second handle 16 rotates along the first hinge part 151 towards the first handle 15 direction, so that the control rope 141 drives the first arc-shaped clamp 12 and the second arc-shaped clamp 13 to be closed, a return spring 17 which enables the first arc-shaped clamp 12 and the second arc-shaped clamp 13 to be reset and opened is arranged between the first arc-shaped clamp 12 and, the return spring 17 can open the first and second arc clamps 12, 13 and return the control cord 141 when the second handle 16 is released.
The first arc-shaped clamp 12 and the second arc-shaped clamp 13 are movably connected with the stone taking pipe 11 through a movable part, a movable rod 3 used for controlling the first arc-shaped clamp 12 and the second arc-shaped clamp 13 to rotate along the length direction of the stone taking pipe 11 is arranged in the stone taking pipe 11, the first arc-shaped clamp 12 and the second arc-shaped clamp 13 can rotate along the length direction of the stone taking pipe 11 until the length direction of the first arc-shaped clamp 12 and the length direction of the second arc-shaped clamp 13 are parallel to the length direction of the stone taking pipe 11 in the process of pushing the movable rod 3, the movable part can restore the first arc-shaped clamp 12 and the second arc-shaped clamp 13 to enable the length direction of the first arc-shaped clamp 12 and the length direction of the second arc-shaped clamp 13 to be perpendicular to the length direction of the stone taking pipe 11 in the process of releasing the movable rod 3, the movable part can be a torsion spring arranged between the hinged joint of the first arc-shaped clamp 12 and the second arc-shaped clamp 13 and the stone taking pipe 11, and the movable rod 3 can push the first arc-shaped clamp 12 and the second arc-shaped The length direction of the first arc-shaped clamp 12 and the second arc-shaped clamp 13 is kept to be in an L-shaped structure with the stone taking pipe 11, so that the follow-up grabbing process can ensure that the operation visual field of an operator is sufficient and abundant.
The design method is characterized in that the closing of the first arc-shaped clamp 12 and the second arc-shaped clamp 13 is controlled in a wire control mode, the first handle 15 is fixedly connected with the stone taking pipe 11, the control rope 141 can be driven to move outwards only by rotating the second handle 16, compared with the situation that both the two handles can rotate, only one handle rotates more accurately, the second handle 16 moves a certain distance, the first arc-shaped clamp 12 and the second arc-shaped clamp 13 can be opened for a certain width, the other two ends of the control rope 141 are fixedly connected with the tail ends of the first arc-shaped clamp 12 and the second arc-shaped clamp 13, the control rope 141 can drive the tail ends of the first arc-shaped clamp 12 and the second arc-shaped clamp 13 to approach each other when moving outwards, the middle lower part of the first arc-shaped clamp 12 is hinged with the middle lower part of the second arc-shaped clamp 13, so that the upper ends of the first arc-shaped clamp 12 and the second arc-shaped clamp 13 approach together when the tail ends approach each other, when the closing operation is completed, and the stone extractor needs to be opened, the return spring 17 can spread the first arc-shaped clamp 12 and the second arc-shaped clamp 13 by releasing the second handle 16, and the control rope 141 is returned to be ready for the next operation.
The middle part of the first handle 15 is hinged with the middle part of the second handle 16 through a first hinge part 151, the first handle 15 and the second handle 16 are hinged in a crossed mode, a connecting support 152 is externally connected to the first hinge part 151, the first hinge part 151 is fixedly connected with the stone taking pipe 11 through the connecting support 152, the control component 14 comprises two connecting rods 142 arranged in the stone taking pipe 11, the two connecting rods 142 are arranged in parallel, one end of one connecting rod 142 is fixedly connected with the upper end of the first handle 15, the other end of the connecting rod is fixedly connected with one end, close to the stone taking pipe 11, of the second arc-shaped clamp 13, one end of the other connecting rod 142 is fixedly connected with the upper end of the second handle 16, and the other end of the other connecting rod is fixedly connected with one end, close to the stone.
The design method is characterized in that the first arc-shaped clamp 12 and the second arc-shaped clamp 13 are controlled to be closed and opened through a rod control method, the rod control method can control the closing and the opening manually and can control the opening manually relatively to a line control method, the control method has a more autonomous control mode, and the line has certain toughness relatively to the line control method, and the toughness of the line can be reduced under the condition of long-time use, so that the closing condition is influenced, the rod control method is relatively and more stable, in addition, the connecting rod 142 can be detachably connected with the first handle 15 and the second handle 16 and the first arc-shaped clamp 12 and the second arc-shaped clamp 13, the individual devices can be conveniently detached and cleaned after operation, the cleanness of instruments is ensured, and the medical sanitation is ensured.
The measuring device 2 for measuring the distance between the first handle 15 and the second handle 16 is arranged between the first handle 15 and the second handle 16, the distance between the first handle 15 and the second handle 16 can be known definitely through the arrangement of the measuring device 2, and the opening size of the first arc-shaped clamp 12 and the second arc-shaped clamp 13 can be known through reasonable conversion, so that the operator can conveniently control the opening size of the clamping part in the operation process.
Stay cord 111 is provided with the pull ring 113 that conveniently supplies the user's finger to insert near the one end of first handle 15, pull ring 113 is located the upper end position department of first handle 15 and second handle 16, when this pull ring 113's design can conveniently user's first handle 15 and second handle 16 of control of one hand, through the thumb, middle finger control first handle 15 and second handle 16, just can be through forefinger control pull ring 113, realize that the one hand is to first arc clamp 12, second arc clamp 13, first extension rod 121, the control of second extension rod 131, another hand has been liberated, make things convenient for the operation.
The position department that corresponds first extension rod 121 on the first arc clamp 12 inside wall is provided with the first embedded groove 123 that imbeds when supplying first extension rod 121 closed, the position department that corresponds second extension rod 131 on the second arc clamp 13 inside wall is provided with the second embedded groove 133 that imbeds when supplying second extension rod 131 closed, the design of first embedded groove 123 and second embedded groove 133 can make things convenient for first arc clamp 12 and second arc clamp 13 to be closed first extension rod 121 and second extension rod 131 can imbed in first embedded groove 123 and second embedded groove 133, thereby make first arc clamp 12 and second arc clamp 13 can be closed can add tightly, make the effective volume of stone extractor reduce, make things convenient for the entering and stretching out of clamping part more.
The first embedded groove 123 and the second embedded groove 133 are both provided with a channel 1231 for the bifurcation rope 112 to penetrate through, the channel 1231 extends along the length direction of the first arc-shaped clamp 12 and the second arc-shaped clamp 13, the other opening of the channel 1231 is communicated with the inner cavity of the calculus removing tube 11, and the channel 1231 can be designed to prevent the occurrence of mutual interference due to the fact that the bifurcation rope 112 is too much.
Besides, the stone extractor can be used as a positioner of a holmium laser device, when the first arc-shaped clamp 12 and the second arc-shaped clamp 13, the first extension rod 121 and the second extension rod 131 play a limiting role in stone separation, holmium laser is stretched into from the inlet end of the stone extracting pipe 11, and then laser stone breaking is carried out on stones in a clamping area, so that the practical defect that the holmium laser is lack of certain accuracy in holmium laser stone breaking is solved, and finally broken stones are discharged out of a body.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (5)
1. The utility model provides a hepatobiliary surgery is with getting stone ware, including getting stone ware body (1), characterized by: the stone extractor body (1) comprises a first arc-shaped clamp (12) and a second arc-shaped clamp (13) which are arranged in a hollow cylindrical structure and used for clamping stones at an affected part, a control component (14) used for controlling the first arc-shaped clamp (12) and the second arc-shaped clamp (13) to be closed or opened, and a first handle (15) and a second handle (16) used for manually pulling the control component (14) to control the first arc-shaped clamp (12) and the second arc-shaped clamp (13) to be closed or opened, wherein the length direction of the stone extracting pipe (11) and the length direction of the first arc-shaped clamp (12) and the second arc-shaped clamp (13) are arranged in an L-shaped structure, and the control component (14) can pull the first arc-shaped clamp (12) and the second arc-shaped clamp (13) to be closed when the first handle (15) and the second handle (16) are closed;
a plurality of first extension rods (121) are hinged to the end face, away from the control component (14), of the first arc-shaped clamp (12), the first extension rods (121) extend along the length direction of the first arc-shaped clamp (12), a plurality of second extension rods (131) are hinged to the end face, away from the control component (14), of the second arc-shaped clamp (13), the second extension rods (131) extend along the length direction of the second arc-shaped clamp (13), a first gap (122) for the second extension rod (131) to be embedded is arranged between every two adjacent first extension rods (121), a second gap (132) for the first extension rod (121) to be embedded is arranged between every two adjacent second extension rods (131), a pull rope (111) is arranged in the stone taking pipe (11), one end of the pull rope (111) is fixedly connected with the inner side walls of all the first extension rods (121) and the second extension rods (131) through a plurality of rope branches (112), the other end of the pull rope (111) extends out of the opening of the stone taking pipe (11), the first extension rod (121) and the second extension rod (131) are gradually embedded into the second gap (132) and the first gap (122) in the process of pulling the pull rope (111) until the first extension rod (121) and the second extension rod (131) are embedded into clamping areas of the first arc-shaped clamp (12) and the second arc-shaped clamp (13), resetting devices are arranged between the first extension rod (121) and the first arc-shaped clamp (12) and between the second extension rod (131) and the second arc-shaped clamp (13), and when the pull rope (111) is released, the resetting devices can reset the first extension rod (121) and the second extension rod (131) to be opened and reset the pull rope (111);
the length direction of the stone taking pipe (11) and the length direction of the first handle (15) and the second handle (16) are arranged in an L-shaped structure, and the stone taking device body (1) is arranged in a Z-shaped structure;
the first handle (15) and the second handle (16) are arranged in an arc-shaped structure, the middle of the first handle (15) and the middle of the second handle (16) are hinged through a first hinge part (151), the first handle (15) is fixedly connected with the stone taking pipe (11), the control component (14) comprises a control rope (141) which is arranged in the stone taking pipe (11) in a Y-shaped structure, two ends of the control rope (141) are respectively fixedly connected with one ends of the first arc-shaped clamp (12) and the second arc-shaped clamp (13) close to the stone taking pipe (11), the other end of the control rope (141) is fixedly connected with the upper end of the second handle (16), the upper end of the second handle (16) can pull the control rope (141) to move outwards in the process that the second handle (16) rotates towards the first handle (15) along the first hinge part (151), so that the control rope (141) drives the first arc-shaped clamp (12) and the second arc-shaped clamp (13) to be closed, a return spring (17) which enables the first arc-shaped clamp (12) and the second arc-shaped clamp (13) to be reset and opened is arranged between the first arc-shaped clamp (12) and the second arc-shaped clamp (13), and when the second handle (16) is released, the return spring (17) can enable the first arc-shaped clamp (12) and the second arc-shaped clamp (13) to be opened and enable the control rope (141) to be reset.
2. The lithotomy device for hepatobiliary surgery according to claim 1, wherein: the stone taking pipe comprises a stone taking pipe (11), a first arc-shaped clamp (12), a second arc-shaped clamp (13) and a movable rod (3), wherein the movable rod (3) is used for controlling the first arc-shaped clamp (12) and the second arc-shaped clamp (13) to rotate along the length direction of the stone taking pipe (11) and is arranged in the stone taking pipe (11), the first arc-shaped clamp (12) and the second arc-shaped clamp (13) can rotate along the length direction of the stone taking pipe (11) until the first arc-shaped clamp (12) and the second arc-shaped clamp (13) are parallel to the length direction of the stone taking pipe (11) in the process of pushing the movable rod (3), and when the movable rod (3) is released, the movable component can restore the first arc-shaped clamp (12) and the second arc-shaped clamp (13), so that the length directions of the first arc-shaped clamp (12) and the second arc-shaped clamp (13) are perpendicular to the length direction of the stone taking pipe (11).
3. The lithotomy device for hepatobiliary surgery according to claim 1, wherein: one end of the pull rope (111) close to the first handle (15) is provided with a pull ring (113) which is convenient for a user to insert and place fingers, and the pull ring (113) is positioned at the upper end positions of the first handle (15) and the second handle (16).
4. The lithotomy device for hepatobiliary surgery according to claim 1, wherein: a first embedded groove (123) for embedding the first extension rod (121) when the first extension rod (121) is closed is formed in the position, corresponding to the first extension rod (121), on the inner side wall of the first arc-shaped clamp (12), and a second embedded groove (133) for embedding the second extension rod (131) when the second extension rod (131) is closed is formed in the position, corresponding to the second extension rod (131), on the inner side wall of the second arc-shaped clamp (13).
5. The lithotomy device for hepatobiliary surgery according to claim 4, wherein: all be provided with passageway (1231) that supply branching rope (112) to alternate in first embedded groove (123) and the second embedded groove (133), passageway (1231) extends along first arc clamp (12) and second arc clamp (13) length direction and sets up, another opening and the inner chamber of getting stone pipe (11) of passageway (1231) are linked together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911156100.2A CN110786912B (en) | 2019-11-22 | 2019-11-22 | Stone extractor for hepatobiliary surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911156100.2A CN110786912B (en) | 2019-11-22 | 2019-11-22 | Stone extractor for hepatobiliary surgery |
Publications (2)
| Publication Number | Publication Date |
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| CN110786912A CN110786912A (en) | 2020-02-14 |
| CN110786912B true CN110786912B (en) | 2021-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911156100.2A Active CN110786912B (en) | 2019-11-22 | 2019-11-22 | Stone extractor for hepatobiliary surgery |
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| CN (1) | CN110786912B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4088134A (en) * | 1976-08-05 | 1978-05-09 | Joseph A. Caprini | Forceps |
| CN2409915Y (en) * | 2000-01-25 | 2000-12-13 | 俞南 | Forceps for breaking stone in bladder |
| CN201958956U (en) * | 2010-12-03 | 2011-09-07 | 余姚市柳叶刀医疗器械科技有限公司 | Biliary tract stone taking forceps capable of being bent |
| CN201949092U (en) * | 2010-12-31 | 2011-08-31 | 中国人民解放军第三军医大学第一附属医院 | Muscle tendon clamping pliers |
| CN104605906A (en) * | 2015-02-06 | 2015-05-13 | 刘涛 | Alimentary canal purse-string forceps with length of jaws capable of being adjusted |
| CN107582131A (en) * | 2017-10-24 | 2018-01-16 | 锡山区东港晓鸣电子产品经营部 | Claw single-chamber three saves constipation stool drawing device |
| CN208725825U (en) * | 2018-06-05 | 2019-04-12 | 王鹤 | A kind of clinical novel stone dislodger of liver and gall surgical department |
| CN110368060A (en) * | 2019-07-31 | 2019-10-25 | 西安交通大学医学院第二附属医院 | Liver and gall surgical department's clinic stone taking device |
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2019
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| CN110786912A (en) | 2020-02-14 |
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