CN112022280B - Clinical stone device of getting of hepatobiliary surgery - Google Patents

Clinical stone device of getting of hepatobiliary surgery Download PDF

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CN112022280B
CN112022280B CN202010926770.4A CN202010926770A CN112022280B CN 112022280 B CN112022280 B CN 112022280B CN 202010926770 A CN202010926770 A CN 202010926770A CN 112022280 B CN112022280 B CN 112022280B
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rod
sliding
clamping
cylinder
cylinder body
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CN112022280A (en
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杨启
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Nanyang City Center Hospital
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Nanyang City Center Hospital
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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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

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  • Orthopedic Medicine & Surgery (AREA)
  • Surgical Instruments (AREA)

Abstract

The invention discloses a clinical stone removing device for hepatobiliary surgery; comprises a cylinder body; a moving rod is arranged in the cylinder body, one end of the moving rod penetrates through the cylinder body and is connected with the cylinder body in a sliding manner, and one end of the moving rod is connected with a pressing block; racks are arranged on the periphery of the other end of the moving rod, two gears are symmetrically arranged on two sides of each rack, and the gears are in meshed connection with the racks; the outer side walls of the two gears far away from the moving rod are connected with clamping rods, and the clamping rods extend to the outer side of the cylinder and are rotationally connected with the cylinder through a rotating shaft; the gear and the rotating shaft are both in rotary connection with the cylinder; the other end of the clamping rod is provided with a clamping plate; the outer side of the cylinder body is provided with a movable ring, and the movable ring is provided with a plurality of stretching mechanisms; through setting up stretching mechanism, simplify and get stone operating personnel, simplify the operation step, convenient to use promotes the efficiency of getting the stone, stability is good.

Description

Clinical stone device of getting of hepatobiliary surgery
Technical Field
The invention belongs to the field of hepatobiliary medical appliances, and particularly relates to a clinical stone removing device for hepatobiliary surgery.
Background
Gall stones are stones composed of bile compounds in the gall bladder, and also refer to diseases caused by stones in the gall bladder. The cholelithiasis comprises cholesterol or mixed calculus mainly containing cholesterol and cholelithiasis. According to the affected part, gall-stone can be divided into gall-stone and bile-stone; surgical treatment of cholecystolithiasis has been dominant for over one hundred years, and gallbladder resection has been a direct vision stone removal procedure to ensure removal of the calculus and avoid recurrence due to residual calculus. Therefore, the gallbladder protecting and lithotomy can not only avoid complications caused by cholecystectomy, but also meet the gallbladder protecting requirements of patients.
For the existing stone removing device, a plurality of persons are generally required to cooperate to perform an operation, the stone removing process is complex, skin wounds are required to be opened by a fixed support frame, then a main doctor holds a disposable stone removing basket or other stone removing instruments to remove stones, the required cooperation degree is high, the trend process is complicated, and the stability is poor; for larger stones, stones need to be crushed firstly, the stones are not required to be taken directly, time and labor are wasted, the net basket is not easy to tighten for stones with small particles, falling off is easy to occur, and stone taking efficiency is affected.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a clinical stone removing device for hepatobiliary surgery, which simplifies stone removing operators, simplifies operation steps, is convenient to use, improves stone removing efficiency and has good stability by arranging a stretching mechanism.
The invention provides the following technical scheme:
clinical lithotomy device of hepatobiliary surgery; comprises a cylinder body; a moving rod is arranged in the cylinder body, one end of the moving rod penetrates through the cylinder body and is connected with the cylinder body in a sliding manner, and one end of the moving rod is connected with a pressing block; racks are arranged on the periphery of the other end of the moving rod, two gears are symmetrically arranged on two sides of each rack, and the gears are in meshed connection with the racks; the outer side walls of the two gears far away from the moving rod are connected with clamping rods, and the clamping rods extend to the outer side of the cylinder and are rotationally connected with the cylinder through a rotating shaft; the gear and the rotating shaft are both in rotary connection with the cylinder; the other end of the clamping rod is provided with a clamping plate; the inner side wall of the cylinder body is symmetrically provided with two first sliding grooves, the outer side wall of the moving rod is connected with two connecting rods, the other ends of the two connecting rods are respectively provided with a first sliding block, and the first sliding blocks are in matched sliding connection with the first sliding grooves; the outside of barrel is equipped with the removal ring, the removal ring is equipped with a plurality of stretching mechanism.
Preferably, the outer side wall of the cylinder is provided with a plurality of sliding rails, and one side of the sliding rail far away from the cylinder is provided with a groove; a plurality of sliding rods are arranged between the cylinder body and the movable ring, one end of each sliding rod is connected with the movable ring, the other end of each sliding rod is connected with a sliding head, the sliding heads are arranged inside the grooves, and the sliding heads are in matched sliding connection with the grooves.
Preferably, the stretching mechanism comprises a box body, and the box body is connected with the movable ring in an embedded manner; the box body is internally provided with a threaded rod which penetrates through the box body and is in sliding connection with the box body, and one end of the threaded rod is connected with a knob; the threaded rod is provided with a moving block, an internal threaded hole is formed in the center of the moving block, and the moving block is rotationally connected with the threaded rod through the internal threaded hole; the other end of threaded rod is connected with the stopper, the both ends of stopper all are connected with the second slider.
Preferably, one end of the moving block, which is close to the limiting block, is connected with two connecting rods, second sliding grooves are formed in the opposite inner side walls of the two connecting rods, and the second sliding grooves are in matched sliding connection with the second sliding blocks; the other ends of the two connecting rods are connected with fixed blocks.
Preferably, the fixed block is connected with a drag hook, and the drag hook is made of silica gel.
Preferably, the other end of the moving rod is connected with a spring, and the other end of the spring is connected with the inner wall of the cylinder.
Preferably, the clamping rod is in a V-shaped structure; the cross section of splint is arc structure, the side that the splint kept away from the clamping lever is equipped with a plurality of lugs.
Preferably, the stretching mechanisms are arranged in four groups, and the four groups of stretching mechanisms are uniformly distributed along the peripheral side of the movable ring and are on the same plane.
Preferably, the sliding rod is provided with four groups, so that the fixability of the movable ring is improved.
Preferably, in the using process of the device, the wound is opened by the set stretching mechanism, so that the clamping rod and the clamping plate are convenient for stone extraction; the surgical wound is pulled open through the drag hook, the knob is rotated, the knob drives the threaded rod to rotate, the threaded rod drives the moving block to move through rotation, the moving block drives the connecting rod and the drag hook to move, the drag hook is further driven by the threaded rod, the force for opening the wound is more convenient and grasping, the stability of the surgery is improved, the wound is directly opened in comparison with the traditional manual operation, secondary injury to a patient is prevented, and the surgical pain of the patient is reduced; after the wound is propped in place, a groove and a sliding head are arranged between the movable ring and the whole body, the cylinder body is slid, so that the clamping rod and the clamping block penetrate into a calculus part, at the moment, the pressing block is pressed, a rack at the end part of the movable rod is meshed with a gear, the gear is driven to rotate anticlockwise, the clamping rod is further driven to rotate, the clamping rod realizes middle-split clamping through the rotating shaft, and the calculus is clamped through the clamping plate; then sliding the cylinder body to withdraw the clamping rod and the clamping plate from the wound; finally, loosening the pressing block, and bouncing the moving rod backwards through a spring arranged at the end part of the moving rod to drive the gear to rotate clockwise, and the gear drives the clamping rod to separate and take out the stones; in the operation process, only one medical staff is needed to finish the stone removal, the steps are simple, the operation is convenient, the stability is good, and the stone removal efficiency is improved.
Get in-process of stone, through a plurality of lugs that set up at splint, the lug is the silica gel stick, when carrying out centre gripping calculus, increase with the frictional force of calculus, prevent that the calculus from droing, further increase stability.
In the process of stone removal, in order to further increase the accuracy of stone removal, the efficiency of stone removal is further improved, and the distance L between the two clamping plates is more than or equal to 0.9cm and less than or equal to 3.5cm.
Preferably, the length from the moving rod to the gear is d1 when the clamping rod is opened in a natural state; the length from the movable rod to the gear is d2 when the clamping rod is used for stone taking and clamping; the included angle between the clamping rod and the moving rod is theta when the clamping plate clamps; for better control of the accuracy of holding the stone, L satisfies the following formula:
L/ sinθ=δ·(d1 2 + d2 2 ) 1/2 ；
in the formula, delta is an angle adjusting coefficient, and the value range is 0.124-0.56; d1 and d2 are in cm.
Compared with the prior art, the invention has the following beneficial effects:
(1) According to the clinical stone removing device for hepatobiliary surgery, the wound is opened by the stretching mechanism, so that stone removing is conveniently carried out by the clamping rod and the clamping plate; the wound through the drag hook with the operation pulls open, rotates the knob, and the knob rotates through driving the threaded rod, and the threaded rod drives the movable block through the rotation and removes, and the movable block drives connecting rod and drag hook and removes, further drives the drag hook through the threaded rod, struts the dynamics of wound more just with hold, increases the stability of operation, directly struts the wound for traditional manual, prevents to cause the secondary injury to the patient, reduces patient's operation misery.
(2) The clinical stone removing device for hepatobiliary surgery has the advantages that the structure is simple, the stone removing can be completed by only one medical staff in the operation process, the stone removing step is simplified, the operation is convenient, the stability is good, and the stone removing efficiency is improved.
(3) According to the clinical stone removing device for hepatobiliary surgery, the plurality of convex blocks are arranged on the clamping plate, the convex blocks are silica gel rods, when stones are clamped, friction force between the convex blocks and the stones is increased, the stones are prevented from falling off, and stability is further improved.
(4) According to the clinical stone removing device for hepatobiliary surgery, the clamping rod and the clamping plate are driven to clamp in a pressing mode, stones are removed, the operation is convenient, and the physical strength is saved.
(5) According to the clinical stone removing device for hepatobiliary surgery, the accuracy of stone removing is further improved by limiting the distance and the angle relation between the clamping rod and the moving rod, and the stone removing efficiency is further improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is an overall construction diagram of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 is a schematic view of the stretching mechanism of the present invention.
Fig. 4 is an enlarged schematic view of a portion of the present invention.
Fig. 5 is an enlarged schematic view of part B of the present invention.
In the figure: 1. a cylinder; 2. a moving ring; 3. a moving rod; 4. briquetting; 5. a connecting rod; 6. a first chute; 7. a first slider; 8. a stretching mechanism; 9. a spring; 10. a clamping rod; 11. a clamping plate; 12. a bump; 13. a slide bar; 14. a rack; 15. a gear; 16. a rotating shaft; 17. a slide rail; 18. a groove; 19. a slider; 801. a case body; 802. a threaded rod; 803. a knob; 804. a moving block; 805. a connecting rod; 806. a second chute; 807. a limiting block; 808. a second slider; 809. a fixed block; 8010. a drag hook.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, of the embodiments of the invention. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
Embodiment one:
as shown in fig. 1, 2, 4 and 5, a clinical lithotomy device for hepatobiliary surgery; comprises a cylinder body 1; a moving rod 3 is arranged in the cylinder 1, one end of the moving rod 3 penetrates through the cylinder 1 and is in sliding connection with the cylinder 1, and one end of the moving rod 3 is connected with a pressing block 4; the other end circumference side of the moving rod 3 is provided with a rack 14, two sides of the rack 14 are symmetrically provided with two gears 15, and the gears 15 are in meshed connection with the rack 14; the outer side walls of the two gears 15 far away from the moving rod 3 are connected with clamping rods 10, and the clamping rods 10 extend to the outer side of the cylinder body 1 and are rotatably connected with the cylinder body 1 through a rotating shaft 16; the gear 15 and the rotating shaft 16 are both in rotary connection with the cylinder 1; the other end of the clamping rod 10 is provided with a clamping plate 11; the inner side wall of the cylinder body 1 is symmetrically provided with two first sliding grooves 6, the outer side wall of the movable rod 3 is connected with two connecting rods 5, the other ends of the two connecting rods 5 are respectively provided with a first sliding block 7, and the first sliding blocks 7 are in matched sliding connection with the first sliding grooves 6; the outside of the cylinder body 1 is provided with a movable ring 2, and the movable ring 2 is provided with a plurality of stretching mechanisms 8.
The outer side wall of the cylinder body 1 is provided with a plurality of sliding rails 17, and one side of the sliding rails 17 far away from the cylinder body 1 is provided with a groove 18; a plurality of sliding rods 13 are arranged between the cylinder body 1 and the movable ring 2, one end of each sliding rod 13 is connected with the movable ring 2, the other end of each sliding rod 13 is connected with a sliding head 19, the sliding heads 19 are arranged in the grooves 18, and the sliding heads 19 are in matched sliding connection with the grooves 18.
The other end of the movable rod 3 is connected with a spring 9, and the other end of the spring 9 is connected with the inner wall of the cylinder body 1.
The clamping rod 10 is of a V-shaped structure; the cross section of the clamping plate 11 is of an arc-shaped structure, and a plurality of protruding blocks 12 are arranged on the side surface, away from the clamping rod 10, of the clamping plate 11.
The stretching mechanisms 8 are arranged in four groups, and the four groups of stretching mechanisms 8 are uniformly distributed along the periphery of the movable ring 2 and are on the same plane.
The sliding rods 13 are provided with four groups, so that the fixability of the movable ring 2 is improved.
In the using process of the device, the wound is propped up by the stretching mechanism 8, so that the clamping rod 10 and the clamping plate 11 can conveniently take stones; the surgical wound is pulled open through the drag hook 8010, the knob 803 is rotated, the knob 803 drives the threaded rod 802 to rotate, the threaded rod 802 drives the moving block 804 to move through rotation, the moving block 804 drives the connecting rod 805 and the drag hook 8010 to move, the drag hook 8010 is further driven through the threaded rod 802, the force for opening the wound is more convenient and grasping, the stability of the surgery is improved, compared with the traditional manual direct opening of the wound, secondary injury to a patient is prevented, and the surgical pain of the patient is reduced; after the wound is propped in place, a groove 18 and a sliding head 19 are arranged between the movable ring 2 and the whole body, the cylinder body 1 is slid, so that the clamping rod 10 and the clamping block penetrate into a calculus part, at the moment, the pressing block 4 is pressed, the rack 14 at the end part of the movable rod 3 is meshed with the gear 15, the gear 15 is driven to rotate anticlockwise, the clamping rod 10 is further driven to rotate, the clamping rod 10 realizes middle clamping through the rotating shaft 16, and the calculus is clamped through the clamping plate 11; then the cylinder body 1 is slid, and the clamping rod 10 and the clamping plate 11 are withdrawn out of the wound; finally, loosening the pressing block 4, and bouncing the moving rod 3 backwards through a spring 9 arranged at the end part of the moving rod 3 to drive a gear 15 to rotate clockwise, and the gear 15 drives a clamping rod 10 to separate and take out stones; in the operation process, only one medical staff is needed to finish the stone removal, the steps are simple, the operation is convenient, the stability is good, and the stone removal efficiency is improved.
In the process of taking stones, through the plurality of lugs 12 arranged on the clamping plate 11, the lugs 12 are silica gel rods, when the stones are clamped, the friction force between the lugs and the stones is increased, the stones are prevented from falling off, and the stability is further improved.
Embodiment two:
as shown in fig. 2, on the basis of the first embodiment, the stretching mechanism 8 includes a box 801, and the box 801 is connected with the moving ring 2 in an inlaid manner; a threaded rod 802 is arranged in the box body 801, the threaded rod 802 penetrates through the box body 801 and is in sliding connection with the box body 801, and one end of the threaded rod 802 is connected with a knob 803; a moving block 804 is arranged on the threaded rod 802, an internal threaded hole is formed in the center of the moving block 804, and the moving block 804 is rotatably connected with the threaded rod 802 through the internal threaded hole; the other end of the threaded rod 802 is connected with a limiting block 807, and two ends of the limiting block 807 are connected with a second sliding block 808.
One end of the moving block 804, which is close to the limiting block 807, is connected with two connecting rods 805, second sliding grooves 806 are formed in the opposite inner side walls of the two connecting rods 805, and the second sliding grooves 806 are in matched sliding connection with the second sliding blocks 808; the other ends of the two links 805 are connected to a fixing block 809.
The fixing block 809 is connected with a draw hook 8010, and the draw hook 8010 is made of silica gel.
Embodiment III:
as shown in fig. 1-5, a hepatobiliary surgery clinical stone removal device; comprises a cylinder body 1; a moving rod 3 is arranged in the cylinder 1, one end of the moving rod 3 penetrates through the cylinder 1 and is in sliding connection with the cylinder 1, and one end of the moving rod 3 is connected with a pressing block 4; the other end circumference side of the moving rod 3 is provided with a rack 14, two sides of the rack 14 are symmetrically provided with two gears 15, and the gears 15 are in meshed connection with the rack 14; the outer side walls of the two gears 15 far away from the moving rod 3 are connected with clamping rods 10, and the clamping rods 10 extend to the outer side of the cylinder body 1 and are rotatably connected with the cylinder body 1 through a rotating shaft 16; the gear 15 and the rotating shaft 16 are both in rotary connection with the cylinder 1; the other end of the clamping rod 10 is provided with a clamping plate 11; the inner side wall of the cylinder body 1 is symmetrically provided with two first sliding grooves 6, the outer side wall of the movable rod 3 is connected with two connecting rods 5, the other ends of the two connecting rods 5 are respectively provided with a first sliding block 7, and the first sliding blocks 7 are in matched sliding connection with the first sliding grooves 6; the outside of the cylinder body 1 is provided with a movable ring 2, and the movable ring 2 is provided with a plurality of stretching mechanisms 8.
The outer side wall of the cylinder body 1 is provided with a plurality of sliding rails 17, and one side of the sliding rails 17 far away from the cylinder body 1 is provided with a groove 18; a plurality of sliding rods 13 are arranged between the cylinder body 1 and the movable ring 2, one end of each sliding rod 13 is connected with the movable ring 2, the other end of each sliding rod 13 is connected with a sliding head 19, the sliding heads 19 are arranged in the grooves 18, and the sliding heads 19 are in matched sliding connection with the grooves 18.
The other end of the moving rod 3 is connected with a spring 9, and the other end of the spring 9 is connected with the inner wall of the cylinder 1; the clamping rod 10 is of a V-shaped structure; the section of the clamping plate 11 is of an arc-shaped structure, and a plurality of protruding blocks 12 are arranged on the side surface of the clamping plate 11 away from the clamping rod 10; the four groups of stretching mechanisms 8 are arranged, and the four groups of stretching mechanisms 8 are uniformly distributed along the periphery of the movable ring 2 and are on the same plane; the sliding rods 13 are provided with four groups, so that the fixability of the movable ring 2 is improved.
Example IV
On the basis of the first embodiment, in order to further increase the accuracy of stone removal, the efficiency of stone removal is further improved, and the distance L between the two clamping plates 11 is greater than or equal to 0.9cm and less than or equal to 3.5cm.
The length from the moving rod 3 to the gear 15 is d1 when the clamping rod 10 is unfolded in a natural state; the length d2 from the moving rod 3 to the gear 15 when the clamping rod 10 performs stone removal and clamping; the included angle between the clamping rod 10 and the moving rod 3 is theta when the clamping plate 11 clamps; for better control of the accuracy of holding the stone, L satisfies the following formula: l/sinθ=δ· (d 1 2 + d2 2 ) 1/2 The method comprises the steps of carrying out a first treatment on the surface of the In the formula, delta is an angle adjusting coefficient, and the value range is 0.124-0.56; d1 and d2 are in cm.
In the using process of the device, the wound is propped up by the stretching mechanism 8, so that the clamping rod 10 and the clamping plate 11 can conveniently take stones; the surgical wound is pulled open through the drag hook 8010, the knob 803 is rotated, the knob 803 drives the threaded rod 802 to rotate, the threaded rod 802 drives the moving block 804 to move through rotation, the moving block 804 drives the connecting rod 805 and the drag hook 8010 to move, the drag hook 8010 is further driven through the threaded rod 802, the force for opening the wound is more convenient and grasping, the stability of the surgery is improved, compared with the traditional manual direct opening of the wound, secondary injury to a patient is prevented, and the surgical pain of the patient is reduced; after the wound is propped in place, a groove 18 and a sliding head 19 are arranged between the movable ring 2 and the whole body, the cylinder body 1 is slid, so that the clamping rod 10 and the clamping block penetrate into a calculus part, at the moment, the pressing block 4 is pressed, the rack 14 at the end part of the movable rod 3 is meshed with the gear 15, the gear 15 is driven to rotate anticlockwise, the clamping rod 10 is further driven to rotate, the clamping rod 10 realizes middle clamping through the rotating shaft 16, and the calculus is clamped through the clamping plate 11; then the cylinder body 1 is slid, and the clamping rod 10 and the clamping plate 11 are withdrawn out of the wound; finally, loosening the pressing block 4, and bouncing the moving rod 3 backwards through a spring 9 arranged at the end part of the moving rod 3 to drive a gear 15 to rotate clockwise, and the gear 15 drives a clamping rod 10 to separate and take out stones; in the operation process, only one medical staff is needed to finish the stone removal, the steps are simple, the operation is convenient, the stability is good, and the stone removal efficiency is improved.
In the process of taking stones, through the plurality of lugs 12 arranged on the clamping plate 11, the lugs 12 are silica gel rods, when the stones are clamped, the friction force between the lugs and the stones is increased, the stones are prevented from falling off, and the stability is further improved.
The device obtained by the technical proposal is a clinical stone removing device for hepatobiliary surgery, and the wound is propped up by the stretching mechanism 8, so that the clamping rod 10 and the clamping plate 11 are convenient for removing stones; the surgical wound is pulled open through the drag hook 8010, the knob 803 is rotated, the knob 803 drives the threaded rod 802 to rotate, the threaded rod 802 drives the moving block 804 to move through rotation, the moving block 804 drives the connecting rod 805 and the drag hook 8010 to move, the drag hook 8010 is further driven through the threaded rod 802, the force for opening the wound is more convenient and grasping, the stability of the surgery is improved, compared with the traditional manual direct opening of the wound, secondary injury to a patient is prevented, and the surgical pain of the patient is reduced; the stone taking device has the advantages that the structure is simple, in the operation process, only one medical staff is needed to finish stone taking, the stone taking step is simplified, the operation is convenient, the stability is good, and the stone taking efficiency is improved; through the plurality of the convex blocks 12 arranged on the clamping plate 11, the convex blocks 12 are silica gel rods, so that the friction force between the convex blocks and the calculus is increased when the calculus is clamped, the calculus is prevented from falling off, and the stability is further improved; the clamping rod 10 and the clamping plate 11 are driven to clamp in a pressing mode, stones are taken out, operation is convenient, and physical strength is saved; by defining the distance and angular relationship between the clamping bar 10 and the moving bar 3, the accuracy of the rock extraction is further increased, and the rock extraction efficiency is further improved.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, and various modifications and variations of the present invention will be apparent to those skilled in the art; any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. Clinical lithotomy device of hepatobiliary surgery; comprises a cylinder (1); the device is characterized in that a moving rod (3) is arranged in the cylinder (1), one end of the moving rod (3) penetrates through the cylinder (1) and is in sliding connection with the cylinder (1), and a pressing block (4) is connected with one end of the moving rod (3); the other end circumference of the moving rod (3) is provided with racks (14), two sides of each rack (14) are symmetrically provided with two gears (15), and the gears (15) are in meshed connection with the racks (14); the outer side walls of the two gears (15) far away from the moving rod (3) are connected with clamping rods (10), and the clamping rods (10) extend to the outer side of the cylinder body (1) and are rotationally connected with the cylinder body (1) through a rotating shaft (16); the gear (15) and the rotating shaft (16) are both in rotary connection with the cylinder body (1); the other end of the clamping rod (10) is provided with a clamping plate (11); the novel movable cylinder is characterized in that two first sliding grooves (6) are symmetrically formed in the inner side wall of the cylinder body (1), two connecting rods (5) are connected to the outer side wall of the movable rod (3), first sliding blocks (7) are arranged at the other ends of the two connecting rods (5), the first sliding blocks (7) are in matched sliding connection with the first sliding grooves (6), a spring (9) is connected to one end, far away from the pressing block (4), of the movable rod (3), the spring (9) and the movable rod (3) are coaxially arranged, and the rack (14), the gear (15) and the rotating shaft (16) are all located inside the cylinder body (1); the outside of the cylinder body (1) is provided with a movable ring (2), and the movable ring (2) is provided with a plurality of stretching mechanisms (8); the pressing block (4) is pressed, a rack (14) at the end part of the moving rod (3) is meshed with the gear (15), the gear (15) is driven to rotate anticlockwise, the clamping rod (10) is further driven to rotate, and the clamping rod (10) realizes middle clamping through the rotating shaft (16); the other end of the spring (9) is connected with the inner wall of the cylinder body (1).
2. The hepatobiliary surgery clinical stone removing device according to claim 1, wherein the outer side wall of the cylinder (1) is provided with a plurality of sliding rails (17), and a groove (18) is formed on one side of the sliding rail (17) far away from the cylinder (1); a plurality of sliding rods (13) are arranged between the cylinder body (1) and the movable ring (2), one end of each sliding rod (13) is connected with the movable ring (2), the other end of each sliding rod (13) is connected with a sliding head (19), each sliding head (19) is arranged inside each groove (18), and each sliding head (19) is in matched sliding connection with each groove (18).
3. The hepatobiliary surgery clinical stone extractor according to claim 1, characterized in that said stretching mechanism (8) comprises a box (801), said box (801) being connected with a mobile ring (2) in a mosaic; a threaded rod (802) is arranged in the box body (801), the threaded rod (802) penetrates through the box body (801) and is in sliding connection with the box body (801), and one end of the threaded rod (802) is connected with a knob (803); the threaded rod (802) is provided with a moving block (804), an internal threaded hole is formed in the center of the moving block (804), and the moving block (804) is rotationally connected with the threaded rod (802) through the internal threaded hole; the other end of the threaded rod (802) is connected with a limiting block (807), and two ends of the limiting block (807) are connected with second sliding blocks (808).
4. The hepatobiliary surgery clinical stone removing device according to claim 3, wherein one end of the moving block (804) close to the limiting block (807) is connected with two connecting rods (805), second sliding grooves (806) are formed in opposite inner side walls of the two connecting rods (805), and the second sliding grooves (806) are in matched sliding connection with the second sliding blocks (808); the other ends of the two connecting rods (805) are connected with fixed blocks (809).
5. The hepatobiliary surgery clinical stone removing device according to claim 4, wherein the fixing block (809) is connected with a draw hook (8010), and the draw hook (8010) is made of silica gel.
6. The hepatobiliary surgery clinical stone extractor according to claim 1, characterized in that said clamping bar (10) has a "V" -shaped structure; the cross section of splint (11) is arc structure, the side that splint (11) kept away from clamping lever (10) is equipped with a plurality of lugs (12).
CN202010926770.4A 2020-09-07 2020-09-07 Clinical stone device of getting of hepatobiliary surgery Active CN112022280B (en)

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CN112022280B true CN112022280B (en) 2023-05-26

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Publication number Priority date Publication date Assignee Title
CN112603464B (en) * 2021-01-15 2022-02-01 常州市金坛区人民医院 Combined calculus grabber for urology department
CN113598883B (en) * 2021-08-05 2022-07-08 中南大学湘雅医院 Hepatobiliary surgery is clinical with getting stone device
CN114166544B (en) * 2021-12-02 2023-10-27 中南大学湘雅医院 Multifunctional sampling clamp with tool bit mode conversion function for pathology
CN116849759B (en) * 2023-07-06 2024-03-12 朱昌毫 Clinical stone device of getting

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US7041055B2 (en) * 2002-10-07 2006-05-09 Mark LoGuidice Instruments and methods for use in laparoscopic surgery
CN209332134U (en) * 2018-10-09 2019-09-03 龙芳 A kind of novel gynecological operation retractor
CN209695269U (en) * 2019-01-24 2019-11-29 严志强 A kind of draw hook for orthopaedic operation equipment
CN210447133U (en) * 2019-03-12 2020-05-05 卢继周 Hepatobiliary surgery is with getting stone device
CN210228215U (en) * 2019-04-09 2020-04-03 施孝福 Single-hole pneumoperitoneum-free three-mirror combined gallbladder-protecting and stone-taking operation suspension device
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CN211094483U (en) * 2019-08-26 2020-07-28 任晓斌 Clinical stone device of getting of hepatobiliary surgery
CN210990580U (en) * 2019-11-11 2020-07-14 乐问津 Hepatobiliary surgery clinical stone removing device
CN111449726B (en) * 2020-03-24 2021-12-24 河南省中医院（河南中医药大学第二附属医院） Thyroid gland separator

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