Mechanical arm type endoscope biopsy device
Technical Field
The invention relates to the field of endoscope biopsy devices, in particular to a mechanical arm type endoscope biopsy device.
Background
Endoscopes are commonly used devices for clinical medical testing, which are inserted into a patient's body through an endoscope to observe diseased tissue within the patient's body.
In the process of detecting the pathological change tissue in a patient body through an endoscope, the pathological change tissue of the patient is often required to be sampled, and medical detection is carried out after the tissue of the pathological change tissue is sampled.
Based on the wide medical application of the endoscope detection patient, many technical disclosures are available in the prior art for the endoscope detection and the patient sampling medical equipment, for example, the chinese patent application No. is: 201420021758.9, discloses "biopsy forceps for endoscopy and surgery", which discloses a biopsy forceps comprising a jaw, a steering cable, a flexible outer tube and a lever; a swing arm joint and a swing arm; the swing arm joint is a crank-slider mechanism consisting of a swing arm seat, a rotating base, a slider and a connecting rod; the swing arm seat, the swing arm shaft and the connecting rod shaft form a crank of the crank sliding block mechanism; the rotating base is connected to the fixed base, and the fixed base is connected to the operating rod through the flexible inner pipe; the swing arm operation sliding ring slides relative to the axial direction of the operation rod and is transmitted to a sliding block of the crank sliding block mechanism through the flexible outer pipe; the sliding block is connected to the swing arm seat through the connecting rod, the swing arm seat is driven to rotate on the swing arm shaft, and the swing arm and the binding clip are driven to swing around the swing arm shaft. The swinging of the binding clip is driven by the mechanical arm, and the 360-degree full-view blind-area-free sampling surrounding the axis of the fixed base can be realized by combining the rotation of the binding clip around the axis of the rotating base.
However, in the prior art and the technical solutions disclosed in the above patents, the sampling forceps are adopted for sampling, which is suitable for sampling a large amount of tissues, and in the clinical sampling process, only a small amount of tissue cells or tissue fluid, such as pancreatic tissue fluid, needs to be sampled for a specific tissue.
Disclosure of Invention
The invention aims to provide a mechanical arm type endoscope biopsy device.
The invention solves the technical problems through the following technical scheme:
a mechanical arm type endoscope biopsy device comprises an end holding plate, wherein a sliding guide assembly is fixedly connected to the front side wall of the end holding plate;
the sliding guide assembly comprises a sliding guide rod, and a cavity is formed in the sliding guide rod;
a spring guide part is connected in the cavity in a sliding manner;
the spring guide part comprises a spring positioned in the cavity, a guide rod is sleeved on the spring, the rear end part of the guide rod is fixedly connected with a spring rear seat, and the front end part of the guide rod is connected with a spring front seat in a sliding manner;
the spring rear seat is fixedly connected to the rear side wall of the cavity, the top of the spring front seat is fixedly connected with a poke rod, and the top of the sliding guide rod is provided with a strip-shaped opening matched with the poke rod;
the top of poker rod runs through the bar opening and is located outside the bar opening, the preceding lateral wall fixedly connected with flexible probe rod of spring front stall, the tip threaded connection of flexible probe rod has the biopsy awl, it has the sample groove to go up to open in the biopsy awl.
As an optimization of the structure of the spring rear seat, the central part of the rear side wall of the spring rear seat is fixedly connected with a connecting rod, the connecting rod is fixedly connected with a connecting disc body, and the connecting disc body is fixedly connected to the rear side wall of the cavity.
As an optimization of the structure of the invention, the front side wall of the front spring seat is fixedly connected with a bolt rod, the bolt rod is in threaded connection with an end connecting rod, and the front end part of the end connecting rod is fixedly connected with a flexible detection rod;
the connecting end rod penetrates through the sliding guide rod and is connected with the sliding guide rod in a sliding mode.
As an optimization of the structure of the invention, the right side wall of the sliding guide rod is provided with a rod hole matched with the connecting end rod, and the connecting end rod penetrates through the rod hole.
As an optimization of the structure of the invention, the top of the poke rod is fixedly connected with a finger-shaped poke plate.
As an optimization of the structure of the invention, the cavity is cylindrical;
the longitudinal section of the spring front seat is circular, and the spring front seat is connected in the cavity in a sliding mode.
As one optimization of the structure of the biopsy instrument, a threaded disc body is fixed at the front end part of the flexible detection rod, a mounting disc body is fixedly connected to the rear side wall of the biopsy cone, and a threaded groove matched with the threaded disc body is formed in the central part of the rear side wall of the mounting disc body;
the threaded disc body is in threaded connection with the thread groove.
As an optimization of the structure of the invention, the rear side wall of the threaded disc body is fixedly connected with a toothed rotary disc body, and a plurality of toothed grooves are formed on the toothed rotary disc body;
and a plurality of the tooth-shaped grooves are distributed on the tooth-shaped turntable body in an annular array.
As an optimization of the structure of the invention, a plurality of sampling grooves are distributed at the top and the bottom of the biopsy cone.
The working principle of the device is as follows:
firstly, operating personnel stirs towards the lateral wall of front, finger-type kickboard, at this moment, the kickboard slides around on the bar opening, and simultaneously, the spring is tensile, at this moment, the guide arm breaks away from the spring front stall (have on the spring front stall with guide arm complex guide arm chamber), at this moment, the spring front stall promotes the connecting rod and slides on smooth guide arm, at this moment, flexible probe rod 3 is continuous to stretch into patient's is internal, after the tissue of patient is punctured to the biopsy awl, the histiocyte that breaks away from drops in the sample connection on the biopsy awl, and simultaneously, the sample connection holds interstitial fluid. Utilize poker rod, spring, guide arm design can freely pull the spring front stall, realize promoting flexible probe rod and survey, simultaneously, biopsy awl 5 surveys the sample after, can reset fast, and the biopsy awl 5 of being convenient for leaves the puncture tissue.
Compared with the prior art, the invention has the following advantages:
the sliding guide assembly is designed to specifically adopt a sliding guide rod, a spring guide part is slidably connected with a spring, a spring is sleeved on the spring, a rear end part fixedly connected with spring rear seat of the guide rod and the guide rod is sleeved on the spring, a front end part of the guide rod is slidably connected with a spring front seat, a poking rod fixedly connected with the top of the spring front seat, the top of the sliding guide rod is provided with a strip-shaped opening matched with the poking rod, a finger-shaped poking plate fixedly connected with the top of the poking rod, a flexible detection rod fixedly connected with the front side wall of the spring front seat, a connecting end rod and the end part of the flexible detection rod are in threaded connection with a biopsy cone, a threaded disc body is fixed at the front end part of the flexible detection rod, and a tooth-. Realize that operating personnel stirs towards the lateral wall, the finger-type is dialled the board, at this moment, the poker rod slides around on the bar opening, and simultaneously, the spring is tensile, at this moment, the guide arm breaks away from the spring front stall (have on the spring front stall with guide arm complex guide bar chamber), at this moment, the spring front stall promotes the connecting rod and slides on smooth guide bar, at this moment, flexible probe rod is continuous stretches into patient's is internal, after the tissue of patient is punctured to the biopsy awl, the histiocyte that breaks away from drops in the sample groove on the biopsy awl, and simultaneously, the sample groove holds tissue fluid, a small amount of sample tissue and sample tissue fluid have been realized. Meanwhile, the threaded disc body is convenient to rotate through the toothed rotary disc body, the angle of the biopsy cone 5 is adjusted, the position of the sampling groove is convenient to adjust, and convenient sampling is achieved.
Adopt above-mentioned device part design not only to take a sample, and is convenient, and can be quick effectual realization pathological change tissue sample, effectively improved clinical detection efficiency.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
FIG. 1 is a schematic view of a dispersed structure of an embodiment of the present invention;
FIG. 2 is a schematic view of a slide guide bar according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of another view of the embodiment of FIG. 2;
FIG. 4 is a sliding guide assembly of the sliding guide assembly in an embodiment of the present invention;
FIG. 5 is a schematic view of a connection structure between a threaded plate and a toothed plate according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of a biopsy cone 5 in an embodiment of the present invention;
FIG. 7 is a schematic diagram of the overall structure of a mechanical arm endoscopic biopsy device according to an embodiment of the present invention;
FIG. 8 is a top view of the embodiment of the present invention in FIG. 7;
fig. 9 is a front view of the embodiment of the present invention shown in fig. 7.
Detailed Description
The following examples are given for the detailed implementation and specific operation of the present invention, but the scope of the present invention is not limited to the following examples.
As shown in fig. 1-9, a mechanical arm type endoscope biopsy device comprises an end holding plate 1, wherein the end holding plate 1 is fan-like, and a holding hole 11 is formed in the end holding plate 1, so that the operation of medical staff is facilitated.
The front side wall of the end holding plate 1 is fixedly connected with a sliding guide component 2. The sliding guide component 2 has a pushing function, and the specific structure of the sliding guide component 2 is as follows:
the sliding guide assembly 2 comprises a sliding guide rod 21, and a cavity (the cavity is cylindrical) is formed in the sliding guide rod 21; a spring guide part 22 is connected in the cavity in a sliding way; the spring guide part 22 comprises a spring 223 positioned in the cavity, the spring 223 is sleeved with the guide rod 22, the rear end part of the guide rod 22 is fixedly connected with a spring rear seat 224, and the front end part of the guide rod 22 is slidably connected with a spring front seat 221;
the spring rear seat 224 is fixedly connected to the rear side wall of the cavity, the top of the spring front seat 221 is fixedly connected with a poke rod, and the top of the sliding guide rod 21 is provided with a strip-shaped opening 211 matched with the poke rod (meanwhile, the longitudinal section of the spring front seat 221 is circular, and the spring front seat 221 is slidably connected in the cavity).
The top of the poke rod penetrates through the strip-shaped opening 211 and is positioned outside the strip-shaped opening 211, and meanwhile, the top of the poke rod is fixedly connected with a finger-shaped poking plate 2312. The finger paddle 2312 is pushed, at which time the paddle slides back and forth over the bar-shaped opening 211.
Meanwhile, a flexible detection rod 3 is fixedly connected to a front side wall of the spring front seat 221, and the flexible detection rod 3 is a flexible metal rod. Specifically, a bolt bar 2311 is fixedly connected to the front side wall of the spring front seat 221, a connecting end bar 23 is connected to the bolt bar 2311 in a threaded manner, and a flexible detection bar 3 is fixedly connected to the front end portion of the connecting end bar 23. The connecting end rod 23 penetrates through the sliding guide rod 21, and the connecting end rod 23 is connected with the sliding guide rod 21 in a sliding mode. Correspondingly, the right side wall of the sliding guide rod 21 is provided with a rod hole matched with the connecting end rod 23, and the connecting end rod 23 penetrates through the rod hole.
Simultaneously, the rear side wall center part fixedly connected with connecting rod of spring back seat 224, connecting rod fixedly connected with connects disk body 2241, connect disk body 2241 fixed connection on the rear side wall of cavity.
In order to realize the pathological tissue of the puncture patient, the tissue sampling and the tissue fluid sampling, the end part of the flexible detection rod 3 is connected with a biopsy cone 5 by screw threads, and a sampling groove 51 is arranged on the inner part of the biopsy cone 5. Specifically, a plurality of sampling grooves 51 are distributed on the top and bottom of the biopsy cone 5.
In order to realize the detachment, replacement or adjustment of the angle of the biopsy cone 5, a threaded disc body 4 is fixed at the front end part of the flexible detection rod 3, a mounting disc body 6 is fixedly connected to the rear side wall of the biopsy cone 5, and a threaded groove 61 matched with the threaded disc body 4 is formed in the central part of the rear side wall of the mounting disc body 6; the threaded disc 4 is threaded into the threaded groove 61.
In order to facilitate the rotation of the threaded plate body 4 (the plate profile of the threaded plate body 4 is provided with an external thread), a toothed plate body 41 is fixedly connected to the rear side wall of the threaded plate body 4, a plurality of toothed grooves are formed in the toothed plate body 41, and specifically, the toothed grooves are distributed on the toothed plate body 41 in an annular array. Because the front end of the flexible detection rod 3 is fixed with the threaded disk body 4, at this time, the flexible detection rod 3 penetrates through the tooth-shaped rotating disk body 41 and is fixedly connected to the rear side of the threaded disk body 4, and correspondingly, a through hole matched with the flexible detection rod 3 is formed in the tooth-shaped rotating disk body 41.
EXAMPLE 2 method of Using a mechanical arm endoscopic biopsy device
As shown in fig. 1-9, the robotic endoscopic biopsy device is used as follows:
firstly, the operator dials toward the front side wall, the finger-shaped dial plate 2312, at this time, the dial rod slides back and forth on the bar-shaped opening 211, at the same time, the spring 223 is stretched, at this time, the guide rod 22 is separated from the spring front seat 221 (the spring front seat 221 is provided with a guide rod 22 cavity matched with the guide rod 22), at this time, the spring front seat 221 pushes the connecting rod to slide on the sliding guide rod 21, at this time, the flexible detection rod 3 continuously extends into the body of the patient, after the biopsy cone 5 punctures the tissue of the patient, the separated tissue cells fall into the sampling groove 51 on the biopsy cone 5, and at the same time, the sampling groove 51 contains the tissue fluid.
By adopting the device component, a small amount of sampling tissues and sampling tissue fluid are realized.
The device has the advantages of component design:
by designing the sliding guide assembly 2, the sliding guide assembly 21 is specifically adopted, the guide part 22 is slidably connected with the spring 223, the spring 223 is sleeved with the guide rod 22, the spring 223, the rear end part of the guide rod 22 is fixedly connected with the spring rear seat 224, the front end part of the guide rod 22 is slidably connected with the spring front seat 221, the top part of the spring front seat 221 is fixedly connected with the poking rod, the top part of the sliding guide rod 21 is provided with a strip-shaped opening 211 matched with the poking rod, the top part of the poking rod is fixedly connected with a finger-shaped poking plate 2312, the front side wall of the spring front seat 221 is fixedly connected with a flexible detection rod 3, an end connecting rod 23, the end part of the flexible detection rod 3 is in threaded connection with a biopsy cone 5, the front end part of the flexible detection rod 3 is fixed with a threaded disk body 4, the rear side wall. Realize that operating personnel stirs towards the lateral wall, finger-shaped dial plate 2312, at this moment, the dial rod slides around on bar opening 211, and simultaneously, spring 223 is tensile, at this moment, guide arm 22 breaks away from spring front seat 221 (have on the spring front seat 221 with guide arm 22 complex guide arm 22 chamber), at this moment, spring front seat 221 promotes the connecting rod and slides on smooth guide bar 21, at this moment, flexible probe rod 3 is continuous to stretch into patient's is internal, after biopsy awl 5 punctures patient's tissue, the histiocyte that breaks away from drops in sampling groove 51 on biopsy awl 5, and simultaneously, sampling groove 51 holds interstitial fluid, a small amount of sample tissue and sample interstitial fluid have been realized. Meanwhile, the threaded disc body 4 can be conveniently rotated through the toothed rotary disc body 41, the angle of the biopsy cone 5 can be adjusted, the position of the sampling groove 51 can be conveniently adjusted, and convenient sampling can be realized.
Adopt above-mentioned device part design not only to take a sample, and is convenient, and can be quick effectual realization pathological change tissue sample, effectively improved clinical detection efficiency.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.