阅读说明：本技术 一种用于肝胆外科的取石装置 (Calculus removing device for hepatobiliary surgery ) 是由 翟润 孙万日 张理想 于 2021-09-07 设计创作，主要内容包括：本发明属于医疗设备技术领域,具体涉及一种用于肝胆外科的取石装置,包括底座,所述底座上端设有万向头,所述万向头的上端设置有操作管,所述操作管的远端设有取石组件,近端设有操作面板,所述取石组件包括空腔管、活动杆、活动夹、石头夹、流动管、吸力泵,所述操作面板包括板体,所述板体上设置有抽拉按钮以及位于所述抽拉按钮下方的搁置台。本发明通过调节活动杆在连接管内的移动距离,使石头夹将结石包裹并闭合,将患者体内的碎石全部被取出,上述过程是医务人员将手臂搁置在搁置台上,并通过操作抽拉按钮完成的,节约了很多力气,减少了取石操作难度。(The invention belongs to the technical field of medical equipment, and particularly relates to a stone taking device for hepatobiliary surgery, which comprises a base, wherein a universal head is arranged at the upper end of the base, an operating pipe is arranged at the upper end of the universal head, a stone taking assembly is arranged at the far end of the operating pipe, an operating panel is arranged at the near end of the operating pipe, the stone taking assembly comprises a cavity pipe, a movable rod, a movable clamp, a stone clamp, a flow pipe and a suction pump, the operating panel comprises a plate body, and a drawing button and a placing table positioned below the drawing button are arranged on the plate body. The invention wraps and closes the stone by the stone clamp by adjusting the moving distance of the movable rod in the connecting pipe, and takes out all the broken stones in the body of the patient.)

1. The calculus removing device for hepatobiliary surgery is characterized by comprising a base (1), wherein a universal head (2) is arranged at the upper end of the base (1), an operating tube (3) is arranged at the upper end of the universal head (2), a calculus removing assembly (4) is arranged at the far end of the operating tube (3), and an operating panel (5) is arranged at the near end of the operating tube;

the stone taking assembly (4) comprises a cavity pipe (41), a movable rod (43), a movable clamp (44), stone clamps (45), a flow pipe (46) and a suction pump (47), wherein the movable rod (43) is sleeved in the cavity pipe (41) and can reciprocate along the length direction of the cavity pipe (41), the far end of the movable rod (43) is provided with a plurality of movable clamps (44), the far end of the cavity pipe (41) is rotatably connected with a plurality of stone clamps (45), the inner wall of each stone clamp (45) is connected with the far end of the movable rod (43) through the movable clamp (44), the outer wall of the cavity pipe (41) is provided with one end of the flow pipe (46), and the other end of the flow pipe (46) is provided with the suction pump (47);

the operation panel (5) comprises a panel body (51), wherein a drawing button (52) and a placing table (54) located below the drawing button (52) are arranged on the panel body (51), an operation rod (31) is arranged in the operation tube (3), the far end of the operation rod (31) is connected with the near end of the movable rod (43), the near end of the operation rod is connected with the drawing button (52), and a limiting device (6) is arranged between the placing table (54) and the base (1).

2. The lithotomy device for hepatobiliary surgery according to claim 1, characterized in that the cavity tube (41) is a cylindrical cavity structure.

3. The lithotomy device for hepatobiliary surgery according to claim 2, characterized in that the mobile clamp (44) is a bendable plate.

4. The lithotomy device for hepatobiliary surgery according to claim 3, characterized in that the bending angle of the movable clamp (44) is 20-60 degrees.

5. The lithotomy device for hepatobiliary surgery according to any one of claims 1 to 4, further comprising a connecting tube (42), wherein the connecting tube (42) is sleeved in the cavity tube (41), and the movable rod (43) is sleeved in the connecting tube (42).

6. The lithotomy device for hepatobiliary surgery according to claim 5, characterized in that the connecting tube (42) has a hollowed-out wall, and the interior of the flow tube (46), the interior of the hollow tube (41) and the interior of the connecting tube (42) communicate with each other.

7. The lithotomy device for hepatobiliary surgery according to claim 6, characterized in that a lithotomy chamber (48) is installed in communication with one end of the flow tube (46) close to the suction pump (47), a convex pipe bent upwards and having one end preventing backflow of the crushed stone is arranged at one end of the flow tube (46) close to the lithotomy chamber (48), and the suction pump (47) is connected with the lithotomy chamber (48).

8. The lithotomy device for hepatobiliary surgery according to claim 7, characterized in that a suction pump switch (53) is further provided on the operating panel (5) above the rest (54), the suction pump switch (53) being electrically connected to the suction pump (47).

9. The lithotomy device for hepatobiliary surgery according to claim 7, wherein the operating rod (31) and the movable rod (43), and the operating tube (3) and the cavity tube (41) are detachably connected, the proximal end of the cavity tube (41) and the proximal end of the connecting tube (42) are hermetically connected, and the proximal end of the connecting tube (42) and the proximal end of the movable rod (43) are hermetically connected through elastic materials.

10. The lithotomy device for hepatobiliary surgery according to claim 7, characterized in that a camera (7) is mounted on the operation tube (3), a display (8) is mounted on the plate body (51) above the rest (54), and the display (8) is connected with the camera (7).

Technical Field

The invention belongs to the technical field of medical equipment, and particularly relates to a calculus removing device for hepatobiliary surgery.

Background

The operation of removing calculus from liver and gallbladder is one of the common operations in hepatobiliary surgery, and the operation of removing calculus by using a calculus removing device can be divided into non-invasive operation and open operation according to the size of calculus. The minimally invasive calculus removing operation is generally to insert a calculus removing device through a natural cavity of a human body, and how to select the natural cavity is determined according to the specific situation of a patient. The operation of opening the knife to remove the calculus is suitable for the calculus with larger size or the calculus growing at the corner of the liver and the gallbladder or the junction of the liver and the gallbladder and other organs.

Regardless of the type of operation, the calculus removing device is a necessary medical instrument for operation, and in the prior art, the calculus removing device generally comprises two parts, namely a chuck and an operating tube, wherein the chuck is used for holding calculus on a column, and the operating tube is used for controlling the operation of the chuck. For example, the chinese patent CN212415838U discloses a clinical calculus removing device for hepatobiliary department, which includes a main casing, a connecting rod is arranged inside the main casing, one end of the connecting rod is fixedly connected with a pressing block, a fixing plate is fixedly installed inside the main casing, a sliding rod is fixedly connected between the fixing plate and the inner wall of one side of the main casing, a first spring is arranged outside the sliding rod, a moving baffle is fixedly installed outside the connecting rod, the moving baffle is slidably connected with the sliding rod, the other end of the connecting rod is fixedly connected with a fixing block, and one side of the main casing is hinged with a connecting block; this patent is through controlling two and getting the stone and press from both sides and open and shut to the realization snatchs to the calculus. For another example, a claw-shaped lithotomy device disclosed in chinese patent CN201492471U, which is a claw-shaped lithotomy device for lithotomy through a working channel under direct vision of a ureteroscope, includes a soft catheter and a lithotomy arm disposed in the soft catheter, wherein one end of the lithotomy arm is provided with a claw-shaped lithotomy claw, and the other end is connected to an operation handle capable of opening and closing to pull the lithotomy arm.

However, the above-mentioned structures all have a problem, the operation of the calculus removing device is performed by suspending the arm of the medical staff, and the operation needs to depend on the stronger arm stabilizing force of the medical staff, otherwise, the liver and gall parts can be damaged in the operation process, and for patients with more calculus and long operation time, a large amount of physical power needs to be consumed in long-time operation, thereby increasing the operation difficulty.

Disclosure of Invention

In order to solve the technical problems, the invention provides the calculus removing device for the hepatobiliary surgery, so that the physical strength of medical staff can be saved in the operation process, and the operation difficulty is reduced.

The invention aims to provide a calculus removing device for hepatobiliary surgery, which comprises a base, wherein a universal head is arranged at the upper end of the base, an operating tube is arranged at the upper end of the universal head, a calculus removing assembly is arranged at the far end of the operating tube, and an operating panel is arranged at the near end of the operating tube;

the stone taking assembly comprises a cavity pipe, a movable rod, movable clamps, stone clamps, a flow pipe and a suction pump, wherein the movable rod is sleeved in the cavity pipe and can reciprocate along the length direction of the cavity pipe;

the operation panel comprises a panel body, wherein a drawing button and a placing table below the drawing button are arranged on the panel body, an operation rod is arranged in the operation tube, the far end of the operation rod is connected with the near end of the movable rod, the near end of the operation rod is connected with the drawing button, and a limiting device is arranged between the placing table and the base.

Preferably, in the above lithotomy device for hepatobiliary surgery, the hollow tube has a cylindrical hollow structure.

Preferably, in the above lithotomy device for hepatobiliary surgery, the movable clip is a flexible plate.

Preferably, the bending angle of the movable clamp is 20-60 degrees.

Preferably, the lithotomy device for hepatobiliary surgery further comprises a connecting pipe, the connecting pipe is sleeved in the cavity pipe, and the movable rod is sleeved in the connecting pipe.

Preferably, in the calculus removing device for hepatobiliary surgery, the wall of the connecting pipe is hollow, and the interior of the flow pipe, the interior of the cavity pipe and the interior of the connecting pipe are communicated.

Preferably, in the above stone removing device for hepatobiliary surgery, one end of the flow tube close to the suction pump is communicated with a stone storage cavity, one end of the flow tube close to the stone storage cavity is provided with a convex pipeline with an upward bent end for preventing backflow of broken stones, and the suction pump is connected with the stone storage cavity.

Preferably, in the above lithotomy device for hepatobiliary surgery, a suction pump switch is further disposed on the operation panel and above the placement table, and the suction pump switch is electrically connected to the suction pump.

Preferably, in the above stone removing device for hepatobiliary surgery, the operation rod and the movable rod, and the operation tube and the cavity tube are detachably connected, the cavity tube proximal end and the connection tube proximal end are hermetically connected, and the connection tube proximal end and the movable rod proximal end are hermetically connected by an elastic material.

Preferably, in the above stone removing device for hepatobiliary surgery, a camera is installed on the operation tube, a display is installed on the plate body and above the placement table, and the display is connected with the camera.

Compared with the prior art, the invention has the following beneficial effects:

1. the base is used for being placed on an operating table, the far end of the stone taking component extends into a liver and gall part to be subjected to stone taking, then the stone taking component with the closed stone clamp penetrates through the base, the stone clamp wraps and closes stones by adjusting the moving distance of the movable rod in the connecting pipe, and all stones in a patient are taken out. The medical staff puts the arms on the placing table and operates the drawing button to complete the processes, so that a lot of strength is saved, and the difficulty in stone removal is reduced.

2. The stone clamp is provided with the connecting pipe, and the distance is reserved between the connecting pipe and the movable rod, so that the movable rod can be rotated to adjust the angle of the stone clamp, the moving distance and the moving angle of the movable rod in the connecting pipe are comprehensively adjusted, the stone clamp is closed, stones are wrapped, and the effect is better.

3. According to the detachable stone taking device, the stone taking assemblies are detachable, so that the operating room can adapt to the stone taking requirements of different patients only by being equipped with a plurality of stone taking assemblies, one stone taking assembly is replaced when one patient is replaced, and devices and all stone taking assemblies in the operating room are thoroughly sterilized after the operation work in one day is finished, so that the work that the stone taking device in the prior art needs to be thoroughly sterilized every time is reduced, and the medical efficiency is improved.

4. The invention is also provided with a camera and a display for watching the operation picture in real time.

Drawings

FIG. 1 is a schematic structural diagram of a lithotomy device for hepatobiliary surgery according to the present invention;

FIG. 2 is a schematic view of a plurality of stone clamps of the stone removal device for hepatobiliary surgery according to the present invention in a closed configuration;

FIG. 3 is a schematic structural view of a plurality of stone clamps of the stone removal device for hepatobiliary surgery according to the present invention when deployed;

fig. 4 is a schematic structural view of an operation panel of the calculus removing device for hepatobiliary surgery of the present invention.

Detailed Description

In order that those skilled in the art will better understand the technical solutions of the present invention to be implemented, the present invention will be further described with reference to the following specific embodiments and accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

It should be noted that, in the present invention, the "proximal end" refers to the end of the device that is near the medical staff during the operation, and the "distal end" refers to the end of the device that is near the patient during the operation.

The invention provides a calculus removing device for hepatobiliary surgery, which comprises a base 1 and can be manufactured into an arc shape, wherein the base 1 is used for being placed on an operating table and used for clamping the chest and the back of a patient to fix the patient, and the base 1 can be manufactured into an arc shape. The universal head 2 is arranged at the upper end of the base 1, and the universal head 2 can adopt a structure with better stability and steering function, such as a universal shaft or a universal pipe. The upper end of the universal head 2 is provided with an operating tube 3, under the action of the universal head 2, the operating tube 3 can move relative to the base 1, the far end of the operating tube 3 is provided with a stone taking assembly 4, and the near end of the operating tube 3 is provided with an operating panel 5.

The stone taking component 4 comprises a cavity pipe 41, a connecting pipe 42, a movable rod 43, a movable clamp 44, a stone clamp 45, a flow pipe 46 and a suction pump 47, wherein the cavity pipe 41 and the connecting pipe 42 are both cylindrical cavity structures, the connecting pipe 42 is sleeved in the cavity pipe 41, the movable rod 43 is arranged in the connecting pipe 42, the movable rod 43 can reciprocate along the length direction of the connecting pipe 42, a plurality of movable clamps 44 are arranged at the far end of the movable rod 43, the movable clamps 44 are flexible plates and can be arc-shaped plates with elasticity, attention is paid to the elasticity selection of the movable clamps 44, the flexible angle of the movable clamps is changed within the range of 20-60 degrees, the movable clamps 44 can be moved to be partially positioned in the connecting pipe 42, and the connecting pipe 42 is used for limiting the movable clamps 44, so that the movable clamps 44 are prevented from expanding in a large range, and the stone clamp 45 cannot clamp stones. The distal end of the hollow tube 41 is pivotally connected by a hinge or shaft to a plurality of stone clamps 45, and the stone clamps 45 can be closed and spliced to form a stone containing shell, and when all the stone clamps 45 are closed, the inner space and the outer space of the stone containing shell are separated, and stones in the stone containing shell are not allowed to flow to the outside of the stone containing shell. All stone clips 45 can also be unfolded to form a petal shape. The inner wall of each stone clip 45 is connected with the far end of the movable rod 43 through a movable clip 44, when the movable rod 43 moves towards the near end of the cavity tube 41, a plurality of stone clips 45 can be closed and spliced to form a stone-containing shell shape, which is the shape of the stone-taking assembly 4 of the invention before stone-taking, see fig. 2, and when the movable rod 43 moves towards the far end of the cavity tube 41, a plurality of stone clips 45 can be unfolded to form a petal shape, which is the shape of the stone-taking assembly 4 of the invention in stone-taking, see fig. 3. The outer wall of the hollow tube 41 is provided with a flow tube 46, and the wall of the connecting tube 42 is hollow to allow stones to pass through, for example, if the size of the hollow hole of the connecting tube 42 is set to 5cm, the largest width of stones smaller than 5cm is allowed to pass through. The interior of the flow pipe 46, the interior of the cavity pipe 41 and the interior of the connecting pipe 42 are communicated, a suction pump 47 is arranged at one end, away from the cavity pipe 41, of the flow pipe 46, the function of the suction pump 47 is to pump the crushed stones in the stone clamp 45 into the flow pipe 46, so that the stone clamp 45 can conveniently carry out next stone taking operation, and the suction pump 47 can adopt a pump with a suction effect, such as a vacuum pump.

The far end of the stone taking assembly 4 is inserted into the liver and gall part to be subjected to stone taking, a perforation can be formed in the affected part of a patient in a minimally invasive mode in advance, then the stone taking assembly 4 with the structure shown in fig. 2 is inserted, then the movable rod 43 is moved towards the far end of the cavity pipe 41, the stone clamps 45 are unfolded to form a petal shape, the distance of 1-3cm is reserved between the connecting pipe 42 and the movable rod 43, the movable rod 43 can be slightly rotated to adjust the angle of the stone clamps 45, the stone clamps 45 are closed and wrap stones by comprehensively adjusting the moving distance and the moving angle of the movable rod 43 in the connecting pipe 42, the effect is better, then the movable rod 43 is moved towards the near end of the cavity pipe 41, the stone clamps 45 leave the affected part, and then the suction pump 47 is started, so that the stones enter the flow moving pipe 46; repeating the operation until all the gravels in the patient are taken out.

Preferably, in order to prevent the crushed stones in the flow pipe 46 from falling back into the cavity pipe 41 again, a stone storage cavity 48 may be installed at one end of the flow pipe 46 close to the suction pump 47 in a communicating manner, and an end of the flow pipe 46 close to the stone storage cavity 48 is provided with a raised pipeline bent upwards, as shown in fig. 1, which forms a space for preventing the crushed stones from flowing back, the suction pump 47 is connected with the stone storage cavity 48, and the crushed stones enter the stone storage cavity 48 after the suction pump 47 is turned on.

The operation panel 5 comprises a panel body 51, a drawing button 52, a suction pump switch 53 and a rest table 54 are arranged on the panel body 51, the operation rod 31 is arranged in the operation tube 3, the far end of the operation rod 31 is detachably connected with the near end of the movable rod 43, concretely, the operation rod 31 is in threaded connection or mutual insertion connection with the movable rod 43, the near end of the operation rod 31 is connected with the far end of the drawing button 52, a through hole allowing the drawing button 52 to move is formed in the panel body 51, the drawing button 52 penetrates through the through hole, medical staff can move back and forth by operating the drawing button 52, and then the movable rod 43 is driven to move back and forth, so that stone taking work is performed. The suction pump switch 53 is electrically connected to the suction pump 47 for controlling the operation of the suction pump 47. The plate body 51 is further provided with a placing table 54, the placing table 54 is positioned below the drawing button 52 and the suction pump switch 53, a limiting device 6 is arranged between the placing table 54 and the base 1, and the limiting device 6 can adopt a limiting lock and other structures.

Before carrying out the calculus removing operation, medical staff puts the device in the position that is close to the patient, make calculus removing assembly 4 be close to the affected part, then control plate body 51's direction, make calculus removing assembly 4 aim at the affected part of waiting to get the calculus, install stop device 6 on base 1 after that, it is fixed to utilize stop device 6 to put the angle of platform 54, then the position of parts such as cavity pipe 41, connecting pipe 42 is just also fixed in the calculus removing assembly 4 this moment, then medical staff's arm is put on putting platform 54 and is operated pull button 52 and suction pump switch 53, the calculus removing operation is accomplished, the in-process of calculus removing, medical staff's arm is not unsettled, save a lot of strength, the calculus removing operation degree of difficulty has been reduced, can carry out long-time calculus removing operation.

The operation tube 3 is detachably connected with the cavity tube 41, specifically, the operation tube 3 is in a screwed connection or flange connection relationship with the cavity tube 41, if the operation tube 3 is screwed with the cavity tube 41 and the operation rod 31 is screwed with the movable rod 43, they are in a synchronous rotation relationship, that is, when the operation tube 3 rotates relative to the cavity tube 41, the operation rod 31 also rotates relative to the movable rod 43. The proximal end of the cavity tube 41 and the proximal end of the connecting tube 42 are hermetically connected through a sealing plate to prevent stones from passing therethrough, and the proximal end of the connecting tube 42 and the proximal end of the movable rod 43 are hermetically connected through an elastic material, such as an elastic film or an elastic band, so that on one hand, stones can be prevented from passing therethrough, and on the other hand, a space is provided for the reciprocating movement of the movable rod 43, and the length selection of the elastic material is noticed, which ensures that the movable rod 43 can normally operate. Above-mentioned structure has realized getting stone subassembly 4 and control tube 3, the dismantlement between the action bars 31 is connected, then the operating room only need be equipped with a plurality of stone subassemblies 4 of getting, alright with the stone demand of getting that adapts to different patients, every patient of changing, just change one and get stone subassembly 4, because control tube 3 and control tube 3 do not with patient direct contact, so only need carry out surface disinfection can, treat that the operation work of one day is whole to be ended, device and all stone subassemblies 4 of getting in the operating room are thoroughly disinfected again, the work that prior art stone device needs comprehensive disinfection at every turn has been reduced, the medical efficiency is improved.

In order to facilitate medical staff to see a stone taking picture in real time, the operating tube 3 is provided with the camera 7, the plate body 51 and the display 8 above the placing table 54, the display 8 is connected with the camera 7 and used in a matched manner, the camera 7 shoots an operation picture, and the display 8 displays the operation picture.

It should be noted that, the connection relation of the components not specifically mentioned in the present invention is the default of the prior art, and the connection relation of the structures is not described in detail since it does not relate to the invention point and is a common application of the prior art.

It should be noted that, when the present invention relates to a numerical range, it should be understood that two endpoints of each numerical range and any value between the two endpoints can be selected, and since the steps and methods adopted are the same as those in the embodiment, in order to prevent redundancy, the present invention describes a preferred embodiment. While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.