CN113425372A - Hepatobiliary surgery is clinical with getting stone implement - Google Patents
Hepatobiliary surgery is clinical with getting stone implement Download PDFInfo
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- CN113425372A CN113425372A CN202110812349.5A CN202110812349A CN113425372A CN 113425372 A CN113425372 A CN 113425372A CN 202110812349 A CN202110812349 A CN 202110812349A CN 113425372 A CN113425372 A CN 113425372A
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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
- A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
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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
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
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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
- A61B2017/22079—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 with suction of debris
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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
- A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
- A61B2017/2215—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions having an open distal end
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Abstract
The invention discloses a hepatobiliary surgery clinical stone extractor which comprises an accommodating pipe and a stone extracting mechanism, wherein the stone extracting mechanism is arranged at one end outside the accommodating pipe and comprises a hollow hemispherical inner shell, a hollow hemispherical outer shell concentric with the inner shell is sleeved on the outer side of the inner shell, a waste storage component is arranged below one side, away from the stone extracting mechanism, of the accommodating pipe, the waste storage component is L-shaped, and the upper end of the waste storage component is communicated with the accommodating pipe. Has the advantages that: according to the invention, the two groups of shells for clamping the calculus and assisting the calculus to be separated from the liver and gall tissues are arranged, the rotating direction of the shell is selected according to whether the adhesion position of the calculus needs to be cut off, and the two groups of shells are rotated to jointly form a hollow spherical state, so that the tight clamping state for taking out the calculus is maintained, the calculus is prevented from loosening, and the calculus removing device has stronger safety guarantee capability and good practicability.
Description
Technical Field
The invention relates to the field of hepatobiliary surgery equipment, in particular to a lithotomy device for hepatobiliary surgery in clinic.
Background
Liver and gall surgery mainly researches serious diseases which seriously threaten the health of Chinese people, such as hepatocellular carcinoma, hepatobiliary calculus, posthepatitic cirrhosis, acute liver failure caused by severe hepatitis and the like. Gallstones, also known as cholelithiasis, are diseases in which stones occur in the biliary tract, including the gallbladder or bile ducts; biliary tract infections are common diseases. The liver stone refers to a stone in a bile duct in the liver, and may be a simple stone or a stone caused by the upward migration and accumulation of a total bile duct stone, such as a total bile duct stone or a gall-bladder stone. In the process of performing operation on a patient to remove stones in hepatobiliary surgery, the currently used operating instrument is mainly a stone removing forceps.
The applicant finds that at least the following technical problems exist in the prior art: the stone needs to be pulled down by force after the stone is clamped by the stone taking equipment used at present, the problem of stone fragmentation exists in the clamping process, difficulty is caused in taking out stones, stone clamping is easy to slip, the stones are adhered to the surfaces of liver and gall tissues of patients and need to be cut off additionally when being difficult to take out, the stone taking equipment is inconvenient to use, the stones which are taken out need to be frequently and manually placed on an operation tray when the number of stones is large, operation is complex, partial patients need to suck blood or flushing distilled water at the operation position completely after stone taking, the end part of a suction type drainage tube used at present easily adsorbs to the surfaces of liver and gall viscera when surgical liquid is sucked, so that the drainage tube is blocked, partial tissues in an operation area are easily gathered together by strong suction force and sucked into the drainage tube, and then the viscera are damaged, and the stone taking equipment is harmful.
Disclosure of Invention
The present invention aims to solve the above problems and provide a lithotomy device for hepatobiliary surgery, which is described in detail below.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a hepatobiliary surgery clinical stone extractor which comprises an accommodating pipe and a stone extracting mechanism, wherein the stone extracting mechanism is arranged at one end outside the accommodating pipe and comprises a hollow hemispheroid inner shell, a hollow hemispheroid outer shell concentric with the inner shell is sleeved outside the inner shell, a waste storage component is arranged below one side, away from the stone extracting mechanism, of the accommodating pipe, the waste storage component is L-shaped, and the upper end of the waste storage component is communicated with the accommodating pipe;
evenly seted up the multiunit hole on the casing of inner shell, the inner shell is close to holding pipe one side is provided with the installation pipe, the installation pipe transversely penetrates in the holding pipe and with this holding pipe screw-thread fit, the positive downside of inner shell is followed the inner shell border is provided with interior cutting ring, evenly seted up the multiunit outer orifice on the casing of shell, the shell is close to holding pipe one side is provided with the cover and locates the swivel becket in the installation pipe outside, the shell is kept away from swivel becket one side be provided with inner shell normal running fit's pivot, the positive upside of shell is followed the shell border is provided with the outer cutting ring, the outer cutting ring with the shearing tool is constituteed jointly to the inner cutting ring.
When the calculus at the position of the liver and the gall of a patient needs to be taken out through an operation, medical staff expose the position of the calculus of the patient through an incision operation, at the moment, two groups of overlapped inner shells and outer shells are arranged at the position of the calculus, the calculus is ensured to be arranged in the inner shells, then whether the connection position of the calculus and the tissue needs to be cut off or not is judged, if the connection position does not need to be cut off, the poking rod is poked to drive the rotating ring and the outer shells to rotate when the calculus can be pulled down by means of pulling force, the outer cushion is ensured to rotate forwards in the rotating direction of the outer shells, the outer ring cutter rotates backwards, at the moment, the inner cushions and the outer cushions of the inner shells and the outer shells respectively move to the two sides of the tissue connection position, the inner shells and the outer shells rotate to the mutual buckling state, at the moment, the calculus is contained in the inner shells and the two groups of hemispherical shells are utilized to pull the calculus outwards, the process of cleaning the calculus without cutting is completed; if the connecting position of the calculus and the tissue needs to be cut open to take off the calculus, the calculus is ensured to be placed in the inner shell, the deflector rod is rotated reversely at the moment to drive the rotating ring and the outer shell to rotate reversely, the outer ring cutter is rotated forwards in the rotating direction of the outer shell, the outer cushion is rotated backwards, the inner ring cutter and the outer ring cutter are respectively rotated and abutted against two sides of the connecting position of the calculus and the tissue, then force is continuously applied to the outer side of the deflector rod along the rotating direction, the inner side of the inner ring cutter is abutted against the inner side of the outer ring cutter to cut off the connecting tissue of the calculus, and the separation and taking-out process of the calculus is completed.
Preferably, the inner shell openly upside is followed the inner shell border is provided with the rubber inner pad, the positive downside of shell is followed the outer shell border is provided with the outer pad of rubber, the inner pad with the outer pad constitutes protection anchor clamps jointly.
Preferably, an L-shaped shifting lever is arranged on the top side of the outer portion of the rotating ring, an L-shaped positioning steel sheet is arranged on one side, close to the stone taking mechanism, of the top side of the containing pipe, the top side of the shifting lever transversely extends to the position above the positioning steel sheet, a shifting button is arranged on one side, close to the positioning steel sheet, of the shifting lever, a magnetic sheet is embedded in the bottom of the shifting button, when the shifting lever is overlapped with the positioning steel sheet, the magnetic sheet is attracted to the positioning steel sheet, and at the moment, the outer shell and the inner shell are completely overlapped together.
Preferably, the waste storage assembly comprises a bent pipe with a top end communicated with the accommodating pipe, the bottom end of the bent pipe is inclined towards one side close to the handle, a storage tank is arranged at the bottom end of the bent pipe, and the storage tank is detachably connected with the bent pipe through threads.
Preferably, a detachable pipe is connected to one end, away from the calculus removing mechanism, of the accommodating pipe, an inlet of the detachable pipe is located above a pipe orifice side of the waste storage assembly, a disc-shaped filter screen is installed at a pipe orifice of the detachable pipe, calculus in the accommodating pipe falls into the waste storage assembly downwards after being blocked by the filter screen, and a micro pump for sucking calculus in the accommodating pipe is arranged in the middle of the detachable pipe;
the bottom of the accommodating tube is provided with an inductive switch matched with the magnetic sheet, the inductive switch is arranged right below the positioning steel sheet, the inductive switch controls the micro pump to be started when detecting the magnetic sheet, one side of the inductive switch is provided with a limiting column for limiting the deflector rod, and when the deflector rod is turned to abut against the limiting column, the outer shell and the inner shell are completely closed to form a sphere;
the inductive switch is a magnetic switch;
the inner side of the pipe orifice of the waste storage assembly communicated with the accommodating pipe is provided with a protection assembly for preventing stones in the waste storage assembly from being sucked out by the micro pump, and the protection assembly is lower than the joint of the waste storage assembly and the accommodating pipe by 1cm-2 cm.
Preferably, the protection assembly comprises a fixing ring fixed in the waste discharge pipe, the distance between the top side of the fixing ring and the bottom end of the support rod is 1mm, a plurality of groups of triangular rubber sheets are arranged on the inner side of the fixing ring in a surrounding manner, the gaps between the plurality of groups of rubber sheets are 1mm-1.5mm, and the plurality of groups of rubber sheets jointly form a protection barrier;
an auxiliary assembly used for ejecting the calculus downwards into the waste storage assembly is arranged above the protection assembly.
Preferably, the accommodating pipe is vertically connected with an auxiliary pipe communicated with the accommodating pipe, the auxiliary pipe vertically corresponds to the waste storage assembly, and the auxiliary assembly is vertically and slidably mounted in the auxiliary pipe;
the auxiliary assembly comprises a support rod vertically penetrating into the auxiliary pipe, the bottom end of the support rod extends into a vertical pipe orifice of the waste storage assembly, a baffle ring is fixed on the outer side of the support rod in the auxiliary pipe, a spring is sleeved on the support rod section above the baffle ring, a sealing ring for limiting the top of the spring is arranged at an opening of the auxiliary pipe close to the top end of the auxiliary pipe, rubber spiral sheets in spiral distribution are arranged on the outer side of the support rod below the baffle ring, the outer sides of the spiral sheets tightly abut against the surface of the filter screen, and a disc-shaped top cover with the diameter larger than the inner diameter of the auxiliary pipe is arranged at the top end of the support rod;
and a top support assembly used for jacking the top cover upwards is arranged on the outer side of the accommodating pipe.
Preferably, the top bracing assembly comprises two top rods, a push plate and a guide seat, and symmetrically arranged at two sides of the outer part of the auxiliary pipe, the mandrils are vertically inserted on the guide bases in a sliding way, the two guide bases are respectively and fixedly connected on the outer pipe wall at two sides of the containing pipe, the lower ends of the mandrils extend to two sides of the pipe wall of the elbow pipe, the bottoms of the two top rods are connected with an annular connecting ring, the push plate is horizontally connected to one side of the connecting ring and is positioned below the accommodating pipe, and extends to one side of the stone taking mechanism, the top of the ejector rod is fixedly connected with a crescent auxiliary top plate, the middle part of the ejector rod is integrally connected with a limit boss, and the limiting boss is positioned above the guide seat, when the bottom of the limiting boss is attached to the upper part of the guide seat, the distance between the top of the auxiliary top plate and the bottom surface of the top cover is 1.5mm-2 mm;
the push plate is bent into an arc shape, and the bending direction of the push plate is the same as the bending direction of the pipe body of the accommodating pipe.
Preferably, a handle is sleeved outside the containing pipe and is positioned above the push plate.
Has the advantages that: according to the invention, two groups of shells for clamping stones and assisting the stones to be separated from liver and gall tissues are arranged, the rotating direction of the shell is selected according to whether the adhesion positions of the stones need to be cut off, the two groups of shells are rotated to jointly form a hollow spherical state to keep the tight clamping state of the stones to be taken out, the stones are prevented from loosening, the stones can be sent into a waste storage component after being taken out, the complexity that the stones need to be frequently placed into an operation tray in the existing equipment is improved, meanwhile, a hollow sphere formed by the two groups of shells is used as a protection structure for sucking liquid in an operation area, the liver and gall tissues are prevented from being gathered and sucked into a containing tube to cause damage in the suction process, the functions are more, the safety guarantee capability is stronger, and the practicability is good.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view structural diagram of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic view of a partial structure of the accommodating tube of the present invention;
FIG. 4 is a schematic diagram of the inner and outer shells of the present invention in a disassembled configuration;
FIG. 5 is a schematic view of the internal structure of the receiving tube of the present invention;
FIG. 6 is a schematic view of the present invention with the internal structure broken away;
FIG. 7 is a schematic view showing the internal structure of the auxiliary tube of the present invention;
FIG. 8 is a perspective view of the auxiliary assembly of the present invention;
fig. 9 is a top view of the shield assembly of the present invention.
The reference numerals are explained below:
1. an accommodating tube; 101. a handle; 102. a limiting column; 103. an auxiliary tube; 104. filtering with a screen; 105. a limiting ring; 106. a seal ring; 107. an inductive switch; 2. an inner shell; 201. an inner bore; 202. installing a pipe; 203. an inner cutting ring; 204. an inner cushion; 3. a housing; 301. an outer bore; 302. a rotating ring; 303. a rotating shaft; 304. an outer cutting ring; 305. an outer cushion; 306. a deflector rod; 307. a toggle button is pushed; 307a, a magnetic sheet; 4. positioning the steel sheet; 5. a waste storage assembly; 501. bending the pipe; 502. a storage tank; 6. an auxiliary component; 601. a stay bar; 602. a baffle ring; 603. a spring; 604. a spiral sheet; 605. a top cover; 7. disassembling the pipe; 701. a micro-pump; 8. a guard assembly; 801. a fixing ring; 802. a rubber sheet; 9. a top bracing assembly; 901. an auxiliary top plate; 902. a top rod; 902a, a limit boss; 903. a guide seat; 904. a connecting ring; 905. a push plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Referring to fig. 1-9, the invention provides a clinical lithotomy device for hepatobiliary surgery, which comprises a holding tube 1 and a lithotomy mechanism, wherein the lithotomy mechanism is arranged at one end outside the holding tube 1, the lithotomy mechanism comprises a hollow hemispheroid inner shell 2, a hollow hemispheroid outer shell 3 concentric with the inner shell 2 is sleeved outside the inner shell 2, a waste storage component 5 is arranged below one side of the holding tube 1, which is far away from the lithotomy mechanism, the two hollow hemispheroid inner shells 2 and the hollow hemispheroid outer shell 3 clamp and buckle the lithotomy in a spherical shell formed by the two shells, and the clamped lithotomy mechanism is lifted to enable the stones to enter the waste storage component 5 through the holding tube 1, the waste storage component 5 is in an L shape, the upper end of the waste storage component is communicated with the holding tube 1, and the L-shaped waste storage component can avoid the stones from entering the holding tube 1;
a plurality of groups of inner holes 201 are uniformly arranged on the shell of the inner shell 2, a mounting tube 202 is arranged on one side of the inner shell 2 close to the containing tube 1, the mounting tube 202 transversely penetrates into the containing tube 1 and is in threaded fit with the containing tube 1, an inner annular knife 203 is arranged on the lower side of the front side of the inner shell 2 along the edge of the inner shell 2, a plurality of groups of outer holes 301 are uniformly arranged on the shell of the outer shell 3, a rotating ring 302 sleeved outside the mounting tube 202 is arranged on one side of the outer shell 3 close to the containing tube 1, a rotating shaft 303 in rotating fit with the inner shell 2 is arranged on one side of the outer shell 3 far from the rotating ring 302, an outer annular knife 304 is arranged on the upper side of the front side of the outer shell 3 along the edge of the outer shell 3, the outer annular knife 304 and the inner annular knife 203 jointly form a shearing knife, when the calculus and the tissue are adhered together, one side of the outer shell 3 provided with the outer annular knife 304 is overturned towards the opposite side of the inner shell 2, so that when the outer shell 3 rotates, the calculus is stripped from the tissue through the fit of the outer annular knife 304 and the inner annular knife 203, so that the calculus falls into the closed shell formed after the inner shell 2 and the outer shell 3 are closed.
As the preferred embodiment of this case, the upside in the front of inner shell 2 is provided with rubber inner pad 204 along inner shell 2 border, outer shell 3 is provided with rubber outer pad 305 along outer shell 3 border on the downside in front, inner pad 204 constitutes protection anchor clamps with outer pad 305 jointly, to the condition that the calculus does not adhere with the tissue, when getting the stone, with outer shell 3 be provided with the relative side upset of rubber pad 305 to inner shell 2's one side cooperation to be provided with rubber inner pad 204 with inner shell 2, make the calculus fall into the closed shell that outer shell 3 and inner shell 2 formed, set up rubber outer pad 305 in the downside border of outer shell simultaneously, can shelter from inner ring sword 203 at inner shell bottom border, thereby avoid getting the stone implement when cutting the mouth in through the operation inner ring sword 203 direct contact to the pipe wall, cause the pipe wall fish tail.
For avoiding getting the stone implement when transporting and depositing, shell 3 overturns at will, and the outside top side of swivel 302 is provided with the driving lever 306 of L type, holding pipe 1 top side is close to get stone mechanism one side and be provided with the location steel sheet 4 of L type, driving lever 306 top side transversely extends to location steel sheet 4 top, and driving lever 306 is provided with near location steel sheet 4 one side and dials button 307, dial button 307 bottom and inlay there is magnetic sheet 307a, just driving lever 306 with when location steel sheet 4 is coincided, magnetic sheet 307a actuation is in on the location steel sheet 4, this moment shell 3 with inner shell 2 is complete overlapping together.
In order to take out the calculus collected in the waste storage assembly conveniently, the waste storage assembly 5 comprises a top end communicated with the bent pipe 501 of the accommodating pipe 1, the accommodating pipe 1 comprises a vertical pipe section with a tail portion extending downwards and butted with the bent pipe 501, the upper end of the bent pipe 501 is in threaded connection with the vertical pipe section, the bottom end of the bent pipe 501 is close to one side of the handle 101, the bottom end of the bent pipe 501 is provided with a storage tank 502, and the storage tank 502 is detachably connected with the bent pipe 501 through threads.
As an important embodiment of the present invention, as shown in fig. 6, a detachable pipe 7 is connected to one end of the accommodating pipe 1 far away from the stone removing mechanism, the inlet of the dismounting pipe 7 is positioned above the side of the pipe orifice of the waste storage component 5, a disk-shaped filter screen 104 is arranged at the pipe orifice of the dismounting pipe 7, the calculus in the accommodating pipe 1 falls into the waste storage component 5 downwards after being blocked by the filter screen 104, the middle part of the dismounting pipe 7 is provided with a micro pump 701 for pumping the calculus in the accommodating pipe, the calculus in the accommodating pipe 1 moves backwards along the accommodating pipe 1 under the pumping action of the micro pump 701, and is blocked above the orifice of the waste storage component 5 by the filter screen 104, after the micro pump 701 is closed, the stones fall downwards into the storage tank 502 through the elbow pipe 501 for collection due to the self gravity, thereby avoiding the doctor from frequently clamping the calculus in the tray, greatly reducing the burden of the doctor and simultaneously shortening the operation time;
further, as shown in fig. 1, an inductive switch 107 adapted to the magnetic sheet 307a is disposed at the bottom of the accommodating tube 1, the inductive switch 107 is disposed under the positioning steel sheet 4, the inductive switch 107 controls the micro pump 701 to be turned on when detecting the magnetic sheet 307a, at this time, the shift lever 306 is turned over to the bottom of the accommodating tube 1, the outer shell 3 is completely fastened with the inner shell 2 to form a hollow sphere, a limit post 102 for limiting the shift lever 306 is disposed at one side of the inductive switch 107, when the shift lever 306 is turned over to abut against the limit post 102, the outer shell 3 and the inner shell 2 are completely closed to form a sphere, the limit post 102 is used for preventing the shift lever 306 from being turned over, and after the inner shell 2 and the outer shell 3 are completely fastened, because the surfaces of the inner and outer shells are respectively provided with an inner hole 201 and an outer hole 301 which are penetrated, therefore, the micro pump 701 can be used as a suction head for sucking body fluid or blood and is matched with the micro pump 701 for use, so that the liquid can enter the shell, and the damage to the pipe wall can be avoided;
the inductive switch 107 is a magnetic switch;
it should be further noted that a protection component 8 for preventing the stones in the waste storage component 5 from being sucked out by the micro pump 701 is arranged inside a pipe orifice of the waste storage component 5 communicated with the accommodating pipe 1, and the protection component 8 is lower than the joint of the waste storage component 5 and the accommodating pipe 1 by 1cm-2 cm.
Specifically, the protection assembly 8 comprises a fixing ring 801 fixed inside the elbow 501, the distance between the top side of the fixing ring 801 and the bottom end of the supporting rod 601 is 1mm, so that when the spring is in a natural state, the rubber sheet 802 is prevented from being pushed open by the lower end of the supporting rod 601, a plurality of groups of triangular rubber sheets 802 are arranged around the inner side of the fixing ring 801, the gaps between the plurality of groups of rubber sheets 802 are 1mm-1.5mm, and the plurality of groups of rubber sheets 802 jointly form a protection barrier, the protection assembly 8 is used for blocking stone impurities accumulated inside the waste storage assembly 5 in the suction process of the micro pump 701, and preventing stones inside the waste storage assembly 5 from being separated from the waste storage assembly 5 due to the suction force of the micro pump 701 after the supporting rod 601 moves up to the auxiliary pipe 103, so as to ensure the stability of stone storage inside;
it is further contemplated that an auxiliary assembly 6 for ejecting stones down into the waste storage assembly 5 is disposed above the shield assembly 8.
Specifically, the accommodating pipe 1 is vertically connected with an auxiliary pipe 103 communicated with the accommodating pipe, the auxiliary pipe 103 vertically corresponds to the waste storage assembly 5, and the auxiliary assembly 6 is vertically slidably mounted in the auxiliary pipe 103;
the auxiliary component 6 comprises a stay bar 601 vertically penetrating into the auxiliary pipe 103, the bottom end of the stay bar 601 extends into a vertical pipe orifice of the waste storage component 5, a baffle ring 602 is fixed on the outer side of the stay bar 601 inside the auxiliary pipe 103, a spring 603 is sleeved on the section of the stay bar 601 above the baffle ring 602, a sealing ring 106 used for limiting the top of the spring 603 is arranged at an opening of the auxiliary pipe 103 close to the top end, rubber spiral sheets 604 distributed in a spiral manner are arranged on the outer side of the stay bar 601 below the baffle ring 602, the outer side of each spiral sheet 604 is tightly abutted to the surface of the filter screen 104, and a disc-shaped top cover 605 with the diameter larger than the inner diameter of the auxiliary pipe 103 is arranged at the top end of the stay bar 601;
after the calculus is collected between the inner shell 2 and the outer shell 3, the calculus is sucked and moved backwards by a micro pump 701 along the dismounting pipe 7, the accommodating pipe 1 and the mounting pipe 202, the calculus is sucked to a position close to the outer side of the stay rod 601, then the top cover 605 is lifted upwards by the top support assembly 9, the stay rod 601 and the stop ring 602 are driven to move upwards by the top cover 605, meanwhile, the spring 603 is compressed by compression, after the bottom end of the stay rod 601 moves upwards into the auxiliary pipe 103, the calculus in the accommodating pipe 1 moves to a position tightly abutting against the filter screen 104 under the suction effect of the micro pump 701, then the top support assembly 9 is loosened, the top cover 605 pushes the stop ring 602 downwards under the elastic force of the spring 603, the stop ring 602 drives the stay rod 601 to move downwards, the calculus is pushed downwards by the bottom end of the stay rod 601, and enters the waste storage assembly 5 after passing through the rubber sheet 802, and the quick collection process of the calculus is completed;
when liquid in an operation area needs to be sucked, the outer shell 3 and the inner shell 2 are rotated to a closed state, the micropump 701 is started, body fluid is sucked into the accommodating tube 1 along the two groups of shells by taking a spherical hollow shell structure as a suction end, and the inner holes 201 and the outer holes 301 uniformly distributed on the inner shell 2 and the outer shell 3 ensure that the accommodating tube 1 is always communicated with the external atmosphere, so that the problem of tissue damage caused by the fact that the conventional liquid guide tube is easily sucked and tightly abutted to liver and gall tissues is solved; the body fluid of suction in the holding pipe 1 filters the back through filter screen 104 and gets into dismouting pipe 7 (waste liquid collection device is connected to dismouting pipe 7 afterbody), need clear up remaining impurity on the filter screen 104 when keeping filter screen 104 unobstructed, directly rotate top cap 605 and rotate in order to drive vaulting pole 601, utilize the flight 604 of lower part in the vaulting pole 601 to scrape the impurity of gathering down on with filter screen 104 and send, make impurity get into in storing up useless subassembly 5, thereby solve the clean problem of filter screen 104, it is convenient to use.
Preferably, a top bracing assembly 9 for jacking the top cover 605 upwards is installed on the outer side of the accommodating pipe 1; the top bracing component 9 comprises two ejector rods 902, a push plate 905 and guide seats 903, the two ejector rods 902 are symmetrically arranged at two sides of the outside of the auxiliary tube 103, the ejector rods 902 are vertically inserted into the guide seats 903 in a sliding manner, the two guide seats 903 are respectively and fixedly connected to the outer tube walls at two sides of the accommodating tube 1, the lower ends of the ejector rods 902 extend to two sides of the tube wall of the bent tube 501, the bottoms of the two ejector rods 902 are connected with annular connecting rings 904, the push plate 905 is horizontally connected to one side of the connecting rings 904, the push plate 905 is positioned below the accommodating tube 1 and extends to one side of the stone taking mechanism, the top of the ejector rods 902 is fixedly connected with a crescent auxiliary top plate 901, the middle part of the ejector rods 902 is integrally connected with a limiting boss 902a, and the limiting boss 902a is positioned above the guide seats 903, when the bottom of the limiting boss 902a is attached to the upper part of the guide seat 903, the distance between the top of the auxiliary top plate 901 and the bottom surface of the top cover 605 is 1.5mm-2mm, when the top cover 605 needs to be pushed upwards, a hand holding the handle 101 pushes the push plate 905 downwards towards the handle 101, so that the push plate 905 drives the ejector rod 902 to move upwards through the connecting ring 904, the top cover 605 is pushed upwards through the auxiliary top plate 901, after the stone falls into the waste storage component 5, the push plate 905 is released, the top cover 605 moves downwards under the action of the spring 603, the auxiliary top plate 901 is pushed downwards, the ejector rod 902 drives the push plate 905 to reset, the operation is simple and convenient, and quick collection of the stone can be realized;
for the comfort level when improving the frequent and push pedal 905 contact of doctor's hand, push pedal 905 bends into the arc, and crooked direction with the body crooked direction of holding pipe 1 is the same to the crooked direction of messenger push pedal 905 suits with the crooked direction of finger, so that push pedal 905 pushes up through the finger.
The holding tube 1 outside cover is equipped with handle 101, just handle 101 is located the comfort level when stone extractor is handed to the doctor is used for improving to handle to the top of push pedal 905, handle 101, has also injectd doctor's handheld position simultaneously to make things convenient for one-hand operation to dial button 307 and push pedal 905.
By adopting the structure, when the calculus at the position of the liver and the gall of the patient needs to be taken out through an operation, medical staff expose the calculus position of the patient through an incision operation, at the moment, two groups of overlapped inner shells 2 and outer shells 3 are arranged at the calculus position to ensure that the calculus is arranged in the inner shells 2, then whether the calculus and the tissue connecting position need to be cut off is judged, if the connecting position does not need to be cut off, the calculus can be pulled down by means of pulling force, the poking rod 306 is poked to drive the rotating ring 302 and the outer shells 3 to rotate, the outer cushion 305 is ensured to rotate forwards along the rotating direction of the outer shells 3, the outer ring knife 304 rotates backwards, at the moment, the inner cushion 204 and the outer cushion 305 of the inner shells 2 and the outer shells 3 respectively move to the two sides of the tissue connecting position, the inner shells 2 and the outer shells 3 rotate to the mutually buckled state, at the moment, two groups of hemispherical shells are used for containing the calculus, and the two groups of shells are pulled outwards to pull down the calculus, the cleaning process of the calculus which does not need to be cut off is completed; if the position of the connection between the calculus and the tissue needs to be cut open to remove the calculus, the calculus is ensured to be placed in the inner shell 2, then the poking rod 306 is rotated reversely to drive the rotating ring 302 and the outer shell 3 to rotate reversely, the outer ring knife 304 is rotated forwards in the rotating direction of the outer shell 3, the outer cushion 305 rotates backwards, at this time, the inner ring knife 203 and the outer ring knife 304 rotate to be tightly abutted to two sides of the position of the connection between the calculus and the tissue respectively, then force is continuously applied to the outer side of the poking rod 306 along the rotating direction, the inner side of the inner ring knife 203 is tightly abutted through the outer ring knife 304 to cut off the connection between the calculus, and the separation and removal process of the calculus is completed;
through setting up the centre gripping calculus and two sets of casings that supplementary calculus breaks away from liver and gall tissue, whether need cut off the rotation direction of selecting shell 3 according to calculus adhesion position, utilize two sets of casings to rotate and form the spherical state of cavity jointly, with the inseparable clamping state that keeps the calculus to take out, avoid the calculus pine to take off, the calculus takes off the suction effect of back cooperation micropump 7 simultaneously, automatic with calculus along holding tube 1 suction backward, and send the calculus into through auxiliary assembly 6 and store up useless subassembly 5 and collect, improve the loaded down with trivial details nature that current equipment need frequently put into the operation tray with the calculus, the cavity spheroid that utilizes two sets of casings to constitute simultaneously is as the protective structure who aspirates the regional liquid of operation, avoid among the suction process liver and gall tissue to be gathered together and inhale and cause the damage in the holding tube 1, the function is more, and the safety guarantee ability is stronger, the practicality is good.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (9)
1. A hepatobiliary surgery clinical stone extractor which is characterized in that: the stone taking mechanism is arranged at one end outside the accommodating pipe (1), the stone taking mechanism comprises a hollow hemispheroid inner shell (2), a hollow hemispheroid outer shell (3) concentric with the inner shell is sleeved outside the inner shell (2), a detachable waste storage component (5) is arranged below one side, far away from the stone taking mechanism, of the accommodating pipe (1), the waste storage component (5) is L-shaped, and the upper end of the waste storage component is communicated with the accommodating pipe (1);
a plurality of groups of inner holes (201) are uniformly formed in the shell of the inner shell (2), an installation pipe (202) is arranged on one side, close to the accommodating pipe (1), of the inner shell (2), the installation pipe (202) transversely penetrates into the accommodating pipe (1) and is in threaded fit with the accommodating pipe (1), an inner annular cutter (203) is arranged on the lower side of the front surface of the inner shell (2) along the edge of the inner shell (2), a plurality of groups of outer holes (301) are uniformly formed in the shell of the outer shell (3), a rotating ring (302) sleeved on the outer side of the installation pipe (202) is arranged on one side, close to the accommodating pipe (1), of the outer shell (3), a rotating shaft (303) in rotating fit with the inner shell (2) is arranged on one side, far away from the rotating ring (302), of the outer shell (3), an outer annular cutter (304) is arranged on the upper side of the front surface of the outer shell (3), the outer cutting ring (304) and the inner cutting ring (203) jointly form a shearing cutter.
2. The hepatobiliary surgery clinical stone extractor of claim 1, wherein: inner shell (2) openly upside is followed inner shell (2) border is provided with rubber inner pad (204), the positive downside of shell (3) is followed outer pad (305) of shell (3) border is provided with rubber, inner pad (204) with outer pad (305) constitute protection anchor clamps jointly.
3. The hepatobiliary surgery clinical lithotomy device according to claim 2, wherein: the stone taking mechanism is characterized in that an L-shaped shifting lever (306) is arranged on the top side of the outer portion of the rotating ring (302), an L-shaped positioning steel sheet (4) is arranged on one side, close to the stone taking mechanism, of the top side of the accommodating pipe (1), the top side of the shifting lever (306) transversely extends to the position above the positioning steel sheet (4), a shifting button (307) is arranged on one side, of the positioning steel sheet (4), a magnetic sheet (307a) is inlaid at the bottom of the shifting button (307), and when the shifting lever (306) is overlapped with the positioning steel sheet (4), the magnetic sheet (307a) is attracted to the positioning steel sheet (4), and at the moment, the outer shell (3) and the inner shell (2) are completely overlapped together.
4. The hepatobiliary surgery clinical stone extractor of claim 3, wherein: store up useless subassembly (5) and include the top intercommunication return bend (501) of holding pipe (1), return bend (501) bottom is to being close to get stone mechanism one side slope, just return bend (501) bottom is provided with holding vessel (502), holding vessel (502) with return bend (501) can dismantle the connection through the screw thread.
5. The hepatobiliary surgery clinical stone extractor of claim 4, wherein: one end, far away from the stone taking mechanism, of the accommodating pipe (1) is connected with a dismounting pipe (7), an inlet of the dismounting pipe (7) is located above the side of a pipe orifice of the waste storage assembly (5), a disc-shaped filter screen (104) is installed at the pipe orifice of the dismounting pipe (7), stones in the accommodating pipe (1) are separated by the filter screen (104) and then fall into the waste storage assembly (5), and a micro pump (701) for sucking stones in the accommodating pipe is arranged in the middle of the dismounting pipe (7);
an induction switch (107) matched with the magnetic sheet (307a) is arranged at the bottom of the accommodating tube (1), the induction switch (107) is arranged right below the positioning steel sheet (4), the micropump (701) is controlled to be started when the induction switch (107) detects the magnetic sheet (307a), a limiting column (102) for limiting the shifting rod (306) is arranged on one side of the induction switch (107), and when the shifting rod (306) is turned to abut against the limiting column (102), the outer shell (3) and the inner shell (2) are completely closed to form a sphere;
the inductive switch (107) is a magnetic switch;
the inner side of a pipe orifice of the waste storage component (5) communicated with the accommodating pipe (1) is provided with a protection component (8) for preventing stones in the waste storage component from being sucked out by a micro pump (701), and the protection component (8) is lower than the joint of the waste storage component (5) and the accommodating pipe (1) by 1cm-2 cm.
6. The hepatobiliary surgery clinical stone extractor of claim 5, wherein: the protection assembly (8) comprises a fixing ring (801) fixed inside the elbow (501), a plurality of groups of triangular rubber sheets (802) are arranged on the inner side of the fixing ring (801) in a surrounding mode, gaps among the plurality of groups of rubber sheets (802) are 1mm-1.5mm, and the plurality of groups of rubber sheets (802) jointly form a protection barrier;
an auxiliary component (6) used for ejecting the calculus downwards into the waste storage component (5) is arranged above the protection component (8).
7. The hepatobiliary surgery clinical stone extractor of claim 6, wherein: an auxiliary pipe (103) communicated with the accommodating pipe (1) is vertically connected to the accommodating pipe (1), the auxiliary pipe (103) corresponds to the waste storage assembly (5) up and down, and the auxiliary assembly (6) is vertically and slidably mounted in the auxiliary pipe (103);
the auxiliary assembly (6) comprises a stay bar (601) vertically penetrating into the auxiliary pipe (103), the bottom end of the stay bar (601) extends into a vertical pipe orifice of the waste storage assembly (5), a baffle ring (602) is fixed on the outer side of the stay bar (601) inside the auxiliary pipe (103), a spring (603) is sleeved on the section of the stay bar (601) above the baffle ring (602), a sealing ring (106) used for limiting the top of the spring (603) is arranged at an opening of the auxiliary pipe (103) close to the top end of the auxiliary pipe, rubber spiral sheets (604) distributed in a spiral manner are arranged on the outer side of the stay bar (601) below the baffle ring (602), the outer side of the spiral sheets (604) is tightly abutted against the surface of the filter screen (104), and a disc-shaped top cover (605) with the diameter larger than the inner diameter of the auxiliary pipe (103) is arranged at the top end of the stay bar (601);
and a jacking component (9) for jacking the top cover upwards is arranged on the outer side of the accommodating pipe (1).
8. The hepatobiliary surgery clinical stone extractor of claim 7, wherein: the jacking component (9) comprises two ejector rods (902), push plates (905) and guide seats (903), the two ejector rods (902) are symmetrically arranged at two sides of the outer part of the auxiliary pipe (103), the ejector rods (902) are vertically inserted into the guide seats (903) in a sliding manner, the two guide seats (903) are respectively and fixedly connected to the outer pipe walls at two sides of the accommodating pipe (1), the lower ends of the ejector rods (902) extend to two sides of the pipe wall of the bent pipe (501), the bottoms of the two ejector rods (902) are connected with annular connecting rings (904), the push plates (905) are horizontally connected to one sides of the connecting rings (904), the push plates (905) are located below the accommodating pipe (1) and extend to one side of the stone taking mechanism, the tops of the ejector rods (902) are fixedly connected with crescent auxiliary ejector plates (901), and the middle parts of the ejector rods (902) are integrally connected with limiting bosses (902a), the limiting boss (902a) is positioned above the guide seat (903), and when the bottom of the limiting boss (902a) is attached to the upper part of the guide seat (903), the distance between the top of the auxiliary top plate (901) and the bottom surface of the top cover (605) is 1.5-2 mm;
the push plate (905) is bent into an arc shape, and the bending direction of the push plate is the same as that of the accommodating pipe body (1).
9. The hepatobiliary surgery clinical stone extractor of claim 1, wherein: the outside cover of holding tube (1) is equipped with handle (101), just handle (101) are located the top of push pedal (905).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110812349.5A CN113425372B (en) | 2021-07-19 | 2021-07-19 | Hepatobiliary surgery is clinical with getting stone implement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110812349.5A CN113425372B (en) | 2021-07-19 | 2021-07-19 | Hepatobiliary surgery is clinical with getting stone implement |
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| CN113425372B CN113425372B (en) | 2022-05-24 |
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| CN213217429U (en) * | 2020-04-22 | 2021-05-18 | 刘智 | Device is got to calculus clamp for urological department |
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| JP2007097877A (en) * | 2005-10-05 | 2007-04-19 | Olympus Corp | Fat collecting device |
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| CN113425372B (en) | 2022-05-24 |
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