CN112006747A - Coaxial adjusting device of air pressure trajectory stone breaking system - Google Patents

Abstract

The invention discloses a coaxial adjustment device of a pneumatic ballistic stone crushing system. The coaxial adjustment device includes a first fixing piece, a second fixing piece, a fixing rod and an adjusting mechanism; one end of the first fixing piece is installed on the fixing rod, and the other end is disassembled and installed on a pneumatic ballistic gravel rod. One end of the second fixing piece is installed on the fixing rod, and the other end is detachably installed on a rigid ureteroscope or a microchannel nephroscope; the adjusting mechanism drives the fixing rod to rotate within an angle range. The invention can make the pneumatic ballistic lithotripsy rod and the ureteroscope or the microchannel nephoscope always on the same axis.

Description

Coaxial adjustment device for pneumatic ballistic lithotripsy system

technical field

The invention relates to the field of medical instruments, in particular to a coaxial adjustment device of a pneumatic ballistic lithotripsy system.

Background technique

Microchannel percutaneous nephrolithotomy is the most common surgical procedure in clinical practice.

Micro-channel percutaneous nephrolithotomy is to place a pneumatic ballistic lithotripsy rod through a rigid ureteroscope or a micro-channel nephrolithotomy into the lithotripsy site. Due to the high efficiency, low side damage and low cost of pneumatic ballistic lithotripsy, it is widely accepted by the urology department. favored by doctors.

In percutaneous nephrolithotomy, the surgeon's left hand needs to constantly adjust the position of the torn sheath, and the right hand holds the handle of the rigid ureteroscope or microchannel nephroscope or pneumatic ballistic lithotripsy rod. Because of the special mechanical structure of the ballistic gravel rod, the handles of the ballistic gravel rod and the pneumatic ballistic gravel rod must be kept in the same straight line during stone crushing, otherwise the probe rod in the hand will be easily broken. However, the lithotripsy probe is slender and the ballistic handle is heavy. It is difficult for the right hand of the surgeon to grasp the rigid ureteroscope or the micro-channel nephroscope body while keeping the ballistic handle and the lithotripsy in the same straight line. Therefore, in the actual use process From time to time, the probe near the handle is not in the same line as the handle, resulting in low stone crushing efficiency and bending and breaking of the probe.

SUMMARY OF THE INVENTION

The embodiment of the present invention discloses at least one coaxial adjustment device of a pneumatic ballistic lithotripsy system. The invention can make the pneumatic ballistic lithotripsy rod and the ureteroscope or the micro-channel nephroscope always on the same axis.

In order to realize the above content, the coaxial adjustment device includes: the coaxial adjustment device includes a first fixing member, a second fixing member, a fixing rod and an adjustment mechanism; one end of the first fixing member is mounted on the fixing rod , the other end is disassembled and installed on the handle of a pneumatic ballistic lithotripsy rod; one end of the second fixing piece is installed on the fixed rod, and the other end is disassembled and installed in a ureteroscope or a microchannel nephoscope; the adjustment The mechanism drives the fixed rod to rotate within an angular range.

In some embodiments disclosed in the present invention, the fixing rod includes a first telescopic rod and a second telescopic rod; one end of the first telescopic rod is connected to the adjustment mechanism, and the other end is connected to the second telescopic rod along the length direction. The telescopic rod is slidably connected; the first fixing member is installed on the first telescopic rod;

The second fixing member is mounted on the second telescopic rod.

In some embodiments disclosed in the present invention, the first telescopic rod is slidably connected with the adjustment mechanism along the length direction.

In some embodiments disclosed in the present invention, the first fixing member and/or the second fixing member is a double clamp assembly; the double clamp assembly includes a rod clamp, a working clamp and a fixing bolt; The rod clamp includes a U-shaped rod hoop and a first rod transverse plate and a second rod transverse plate connected at both ends of the U-shaped rod hoop; the working clamp includes a U-shaped working hoop and connected to the The first working transverse plate and the second working transverse plate at both ends of the U-shaped working hoop; the rod clamp is fastened to the fixing rod, and the first rod transverse plate is close to the first working transverse plate, The second rod transverse plate is abutted against the second working transverse plate, and the fixing bolts are sequentially connected to the first rod transverse plate, the second rod transverse plate, the first working transverse plate and the second working transverse plate.

In some embodiments disclosed in the present invention, the adjustment mechanism includes an adjustment platform, an adjustment block mounted on the adjustment platform, and a circumferential limit component; the adjustment block is coaxially connected to the fixing rod; the circumferential The fixed rod is driven to the limit assembly to move along an arc on the adjustment platform.

In some embodiments disclosed in the present invention, the circumferential limit assembly includes a roller group, an arc-shaped plate and a driving member; the rotation-roller group constructs, on the adjustment platform, a limiter for restricting the movement of the arc-shaped plate. an arc-shaped channel; the driving member drives the arc-shaped plate to move in the arc-shaped channel; the arc-shaped plate is installed with the adjustment block.

In some embodiments disclosed in the present invention, the set of rotating rollers includes a first rotating roller, a second rotating roller, a third rotating roller and a fourth rotating roller; the first rotating roller and the second rotating roller clamp The third rotating roller and the fourth rotating roller are clamped on both sides of the other end of the arc-shaped plate.

In some embodiments disclosed in the present invention, the circumferential limit component includes a locking component; the locking component locks the arc-shaped plate on the adjustment platform.

In some embodiments disclosed in the present invention, a movement groove along the length direction is defined on the other end of the adjusting block relative to the fixing rod; the driving member includes a driving block, a driving rod and a pushing rod;

One end of the drive rod is connected with the drive block, and the other end passes through the movement slot; the push rod pushes the drive block perpendicular to the length direction of the fixed rod.

In some embodiments disclosed in the present invention, the adjustment mechanism includes a reference platform and an angle limiter; the reference platform and the adjustment platform are hinged; the angle limiter limits the reference platform and the adjustment The angle of the platform.

In view of the above solutions, the present invention will be described in detail below with reference to the accompanying drawings to the disclosed exemplary embodiments, which will also make other features and advantages of the embodiments of the present invention clear.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the embodiments. It should be understood that the following drawings only show some embodiments of the present invention, and therefore do not It should be regarded as a limitation of the scope, and for those of ordinary skill in the art, other related drawings can also be obtained according to these drawings without any creative effort.

Fig. 1 is the structure diagram of the coaxial adjustment device;

Fig. 2 is the part drawing of the first fixing member;

Fig. 3 is the top view of Fig. 1;

Figure 4 is a component diagram of the coaxial adjustment device.

Attached notes:

110, first telescopic rod; 120, second telescopic rod; 210, first fixing piece; 220, second fixing piece; 211, working clamp; 2111, U-shaped working hoop; 2112, first working cross plate; 2113, the second working cross plate; 212, the rod clamp; 2121, the U-shaped rod hoop; 2122, the first rod cross plate; 2123, the second rod cross plate; 213, the fixing bolt; 300, the adjustment mechanism; 310, Adjusting platform; 321, first roller; 322, second roller; 323, third roller; 324, fourth roller; 330, adjusting block; 340, arc plate; 350, locking bolt; 410, Movement groove; 420, drive block; 430, drive rod; 441, push rod; 442, push table; 510, scale rod; 520, scale bar.

Detailed ways

Reference will now be made in detail to the embodiments, examples of which are illustrated in the accompanying drawings. The following detailed description sets forth numerous specific details in order to provide a thorough understanding of the various described embodiments. However, it will be apparent to one of ordinary skill in the art that the various described embodiments may be practiced without these specific details. In other instances, well-known methods, procedures, components, circuits and networks have not been described in detail so as not to unnecessarily obscure aspects of the embodiments.

The terminology used in the description of the various described embodiments herein is for the purpose of describing particular embodiments only and is not intended to be limiting. As used in the description of the various embodiments and the appended claims, the singular forms "a" ("a", "an") and "the" are intended to include the plural forms as well, unless the context dictates otherwise clearly instructed. It will also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items. It will also be understood that the terms "includes", "including", "comprises" and/or "comprising" when used in this specification are intended to designate the presence of stated features, integers, steps, operations, elements and/or components, but does not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components and/or groupings thereof.

This embodiment discloses a coaxial adjustment device of a pneumatic ballistic lithotripsy system. The coaxial adjustment device includes a first fixing member 210 , a second fixing member 220 , a fixing rod and an adjustment mechanism 300 .

Referring to FIG. 1 , the fixing rod of this embodiment is composed of a first telescopic rod 110 and a second telescopic rod 120 . The first telescopic rod 110 and the second telescopic rod 120 slide or lock relative to each other in the longitudinal direction.

Optionally, the first telescopic rod 110 and the second telescopic rod 120 are sleeved in the length direction and locked by a jumping bean spring; or the first telescopic rod 110 and the second telescopic rod 120 are threadedly connected in the length direction, here Not limited. At the same time, the first telescopic rod 110 can slide relative to the adjustment mechanism 300 in a linear direction, and the sliding of the first telescopic rod 110 relative to the adjustment mechanism 300 can be caused by a part of the first telescopic rod 110 and the adjustment structure being threadedly connected, or by pneumatic way to achieve.

Specifically, FIG. 2 shows that the first fixing member 210 is a first double clamp assembly. The first double clamp assembly includes a rod clamp 212, a working clamp 211 and a fixing bolt 213; wherein, the rod clamp 212 includes a U-shaped rod clamp 2121 and a first rod cross plate connected to both ends of the U-shaped rod clamp 2121 2122 and the second rod cross plate 2123. The working clamp 211 includes a U-shaped working hoop 2111 and a first working cross plate 2112 and a second working cross plate 2113 connected to both ends of the U-shaped working hoop 2111; the rod clamp 212 is fastened to the first telescopic rod 110, and at the same time The first rod cross plate 2122 abuts against the inner side of the first work cross board 2112 , and the second rod cross board 2123 abuts against the inner side of the second work cross board 2113 . The first work cross plate 2112, the first rod cross plate 2122, the second rod cross plate 2123 and the second work cross plate 2113 are all provided with through holes, and the screws of the fixing bolts 213 pass through the first work cross plate 2112, the first work cross plate 2112 and the first work cross plate 2113 in sequence. The through holes of the rod cross plate 2122 , the second rod cross board 2123 and the second working cross board 2113 are locked with nuts.

Meanwhile, the second fixing member 220 is a second double clamp assembly, and the structure of the second double clamp assembly is the same as that of the first double clamp assembly. The rod clamp 212 of the second double clamp assembly is fastened to the first telescopic rod 110 .

Then, when implementing the coaxial adjustment device, in this embodiment, the handle of the pneumatic ballistic lithotripsy rod is fastened to the working clamp 211 of the first double clamp assembly, and the rigid ureteroscope or microchannel nephroscope is fastened to the second double clamp. The working clamp 211 of the clamp assembly. Then, when the two working clamps 211 are kept on the coaxial line during installation, the coaxiality of the pneumatic ballistic lithotripsy rod and the ureteroscope or the microchannel nephroscope during the operation can be maintained.

Further, the working clamp 211 of the first double clamp assembly can be replaced according to the maximum diameter of different rigid ureteroscopes or microchannel nephroscopes. The working clamp 211 of the second double clamp assembly can be replaced according to the maximum diameter of the handle of the different pneumatic ballistic rock crusher.

Referring to FIG. 3 , the adjustment mechanism 300 of this embodiment includes an adjustment platform 310 , a reference platform, an adjustment block 330 and a circumferential limit assembly.

The adjustment platform 310 is installed with an adjustment block 330 and a circumferential limit assembly, the first telescopic rod 110 is connected to the adjustment block 330 at the other end of the second telescopic rod 120 , and the circumferential limit assembly can drive the adjustment block 330 on the adjustment platform 310 Move along an arc.

Specifically, the circumferential limit assembly includes a roller set and an arc-shaped plate 340 on which the adjustment block 330 is installed. The rotating roller group includes a first rotating roller 321 , a second rotating roller 322 , a third rotating roller 323 and a fourth rotating roller 324 vertically installed on the adjustment platform 310 , and the rotation planes of the four rotating rollers are parallel to the adjustment platform 310 . The first rotating roller 321 and the second rotating roller 322 are clamped on both sides of one end of the arc-shaped plate 340 , and the third rotating roller 323 and the fourth rotating roller 324 are clamped at the other end of the arc-shaped plate 340 . sides. Then the first rotating roller 321 , the second rotating roller 322 , the third rotating roller 323 and the fourth rotating roller 324 can construct an arc-shaped channel for restricting the movement of the arc-shaped plate 340 . Then, when the arc-shaped plate 340 is driven, it can move back and forth in the arc-shaped channel.

Further, in this embodiment, the circumferential limiting component includes a locking component. The locking assembly includes a locking bolt 350, and the adjustment platform 310 and the arc-shaped plate 340 are respectively provided with arc-shaped grooves for the locking bolt 350 to pass through, then the locking bolt 350 passes through the adjustment platform 310 and the arc-shaped plate 340. After the arc groove is formed, the adjustment platform 310 and the arc plate 340 are locked with each other, so that the first telescopic rod 110 and the second telescopic rod 120 are restricted to an angle relative to the adjustment platform 310 .

Referring to FIG. 4 , in this embodiment, the circumferential limiting assembly includes a driving member, and the driving member drives the arc-shaped plate 340 to reciprocate in the arc-shaped channel. In this embodiment, the other end of the adjusting block 330 opposite to the first telescopic rod 110 is provided with a movement groove 410 along the length direction. The driving member includes a driving block 420 , a driving rod 430 and a pushing rod 441 . One end of the driving rod 430 is connected with the driving block 420 , and the other end passes through the movement slot 410 . The push rod 441 is a push rod, and the push rod is threadedly connected with the driving block 420 in a longitudinal direction perpendicular to the first telescopic rod 110 .

Then, when the push screw is erected on a push table 442 to rotate, the first telescopic rod 110 and the second telescopic rod 120 follow the arc plate 340 to rotate, so that the pneumatic ballistic lithotripsy and the ureteroscope or the microchannel nephoscope rotate.

Preferably, the adjustment platform 310 is provided with a scale rod 510 and a scale bar 520 . The scale rod 510 is mounted on the drive block 420 and is vertically downward. Then, when the scale rod 510 is displaced with the driving block 420 , the scale rod 510 points to different scale positions on the scale bar 520 .

Preferably, the adjustment platform 310 and the reference platform are connected by hinges, and the adjustment platform 310 and the reference platform can be locked at different angles through an angle limiter. The angle limiter includes an arc-shaped bracket, the arc-shaped bracket is provided with a plurality of through holes, and the side surfaces of the reference platform and the adjustment platform 310 are respectively fixed to the arc-shaped bracket by screws.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. a coaxial adjustment device of a pneumatic ballistic lithotripsy system, is characterized in that, The coaxial adjusting device includes a first fixing piece, a second fixing piece, a fixing rod and an adjusting mechanism; One end of the first fixing piece is installed on the fixing rod, and the other end is disassembled and installed on the handle of a pneumatic ballistic gravel rod; One end of the second fixing member is installed on the fixing rod, and the other end is disassembled and installed on a rigid ureteroscope or a microchannel nephroscope; The adjusting mechanism drives the fixing rod to rotate within an angle range. 2. The coaxial adjustment device of the pneumatic ballistic lithotripsy system according to claim 1, characterized in that, the fixing rod includes a first telescopic rod and a second telescopic rod; One end of the first telescopic rod is connected with the adjusting mechanism, and the other end is slidably connected with the second telescopic rod along the length direction; the first fixing member is mounted on the first telescopic rod; The second fixing member is mounted on the second telescopic rod. 3. The coaxial adjustment device of the pneumatic ballistic lithotripsy system as claimed in claim 2, wherein, The first telescopic rod is slidably connected with the adjustment mechanism along the length direction. 4. The coaxial adjustment device of the pneumatic ballistic lithotripsy system as claimed in claim 1, wherein, The first fixing member and/or the second fixing member is a double clamp assembly; The double clamp assembly includes a rod clamp, a working clamp and a fixing bolt; The rod clamp includes a U-shaped rod hoop and a first rod transverse plate and a second rod transverse plate connected at both ends of the U-shaped rod hoop; The working clamp includes a U-shaped working hoop and a first working cross plate and a second working cross plate connected at both ends of the U-shaped working hoop; The rod clamp is fastened to the fixing rod, the first rod transverse plate is abutted against the first working transverse plate, the second rod transverse plate is abutted against the second working transverse plate, and the The fixing bolts are connected to the first bar horizontal plate, the second bar horizontal plate, the first working horizontal plate and the second working horizontal plate in sequence. 5. The coaxial adjustment device of the pneumatic ballistic lithotripsy system according to claim 1, characterized in that, The adjustment mechanism includes an adjustment platform, an adjustment block and a circumferential limit assembly installed on the adjustment platform; the adjusting block is coaxially connected with the fixing rod; The circumferential limit assembly drives the fixed rod to move along an arc on the adjustment platform. 6. The coaxial adjustment device of the pneumatic ballistic lithotripsy system according to claim 5, characterized in that, The circumferential limit assembly includes a roller group, an arc-shaped plate and a driving member; The rotating roller group constructs an arc-shaped channel on the adjustment platform to limit the movement of the arc-shaped plate; the driving member drives the arc-shaped plate to move in the arc-shaped channel; The arc plate is installed with the adjusting block. 7. The coaxial adjustment device of the pneumatic ballistic lithotripsy system according to claim 6, characterized in that, The rotating roller group includes a first rotating roller, a second rotating roller, a third rotating roller and a fourth rotating roller; The first rotating roller and the second rotating roller are clamped on both sides of one end of the arc-shaped plate; The third rotating roller and the fourth rotating roller are clamped on both sides of the other end of the arc-shaped plate. 8. The coaxial adjustment device of the pneumatic ballistic lithotripsy system according to claim 6, characterized in that, The circumferential limit component includes a locking component; The locking assembly locks the arc-shaped plate on the adjustment platform. 9. The coaxial adjustment device of the pneumatic ballistic lithotripsy system according to claim 6, wherein, The adjusting block is provided with a movement groove along the length direction relative to the other end of the fixing rod; The driving member includes a driving block, a driving rod and a pushing rod; One end of the drive rod is connected with the drive block, and the other end passes through the movement slot; The push rod pushes the drive block perpendicular to the length direction of the fixed rod. 10. The coaxial adjustment device of the pneumatic ballistic lithotripsy system according to claim 5, wherein, The adjusting mechanism includes a reference platform and an angle limiter; the reference platform is hinged with the adjustment platform; The angle limiter limits the included angle between the reference platform and the adjustment platform.

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