CN114947986A

CN114947986A - Nephrology department examination device

Info

Publication number: CN114947986A
Application number: CN202210578225.XA
Authority: CN
Inventors: 成晓萍; 魏钢; 史健; 王心怡; 赵田田
Original assignee: Shaanxi Traditional Chinese Medicine Hospital
Current assignee: Shaanxi Traditional Chinese Medicine Hospital
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-08-30

Abstract

The invention discloses a nephrology department examination device, which comprises a puncture mechanism and a fixing mechanism, wherein the puncture mechanism is arranged on the lower part of a support; the puncture mechanism is used for performing puncture sampling on the kidney part during biopsy; the fixing mechanism comprises an attaching structure, a clamping structure and an adjusting mechanism, wherein the attaching structure is connected with the clamping structure through the adjusting mechanism, so that a space for clamping a human body from the side is formed by the attaching structure and the clamping structure.

Description

Nephrology department examination device

Technical Field

The invention relates to the technical field of medical instruments for nephrology department, in particular to a nephrology department examination device.

Background

For a patient with kidney disease, urine examination, ultrasonic examination and other examinations are required, for some patients with kidney disease, puncture biopsy is required, and for the existing puncture structure, the puncture structure is directly operated by a doctor manually, so that organs in the body of the patient can be damaged due to shaking; some puncture mechanisms are operated by a mechanical arm mode, but the structural design cannot be controlled by a patient, and if the patient shifts in the puncture process, the puncture position of the patient is inaccurate or organs in the patient are damaged.

Disclosure of Invention

The invention aims to provide a nephrology department examination device, which realizes the synchronization of the examination device and a human body by combining a puncture structure with the body position of the human body, so that puncture can be accurately performed in the puncture process, and a patient is prevented from being injured.

To achieve the above object, the present invention provides the following:

an nephrology examination apparatus comprising:

the puncture mechanism is used for performing puncture sampling on the kidney during biopsy;

the fixing mechanism comprises a fitting structure, a clamping structure and an adjusting mechanism, and the puncturing mechanism is arranged above the fitting structure; the attaching structure is connected with the clamping structure through the adjusting mechanism, and when the device is used, the attaching structure is attached to the back of a human body; the clamping structure is attached to the abdomen of the human body; so that the attaching structure and the clamping structure form a space for clamping the human body from the side;

during sampling, the distance between the clamping mechanism and the attaching structure is reduced by adjusting the adjusting mechanism, so that the attaching structure and the clamping structure are respectively attached to the back and the abdomen of the human body; and then the attaching structure is further attached to the back of the human body by adjusting the adjusting mechanism, so that the tissue of the part to be punctured is further compressed to facilitate puncturing and sampling by the puncturing mechanism.

Preferably, the puncture mechanism includes:

a puncture gun;

one end of the puncture needle is connected with the telescopic end of the puncture gun;

the protection barrel is sleeved outside the puncture needle, one end of the protection barrel is connected with the puncture gun, and the other end of the protection barrel is connected with the mounting plate.

Preferably, the fixing mechanism includes:

the lower end of the protection cylinder is mounted on the mounting plate, and a through hole for the puncture needle to pass through is formed in the mounting plate at the position of the mounting cylinder;

mounting a shell; the mounting shell is mounted above the mounting plate, and the adjusting mechanism is mounted on the mounting shell; the fitting mechanism is arranged on one side of the mounting plate close to the human body; the clamping structure is of an L-shaped structure, the vertical section of the clamping structure is connected with the adjusting mechanism, and the transverse section of the clamping structure is opposite to the attaching structure.

Preferably, the adjustment mechanism comprises:

one end of the first screw rod is in threaded connection with a vertical section of the clamping structure, and the other end of the first screw rod sequentially penetrates through the mounting plate and extends into the mounting shell;

one end of the rotating seat is connected with one end of the first screw rod penetrating through the mounting plate, and a clamping groove is formed in one end of the rotating seat, which is far away from the first screw rod;

the rotary rod is provided with a clamping structure at one end close to the clamping groove and used for inserting the rotary rod into the clamping groove to drive the rotary seat to rotate when puncture is performed; the other end of the rotating rod penetrates through the mounting shell to the outside of the mounting shell, and one end of the rotating rod, which is positioned in the clamping groove, is in interference fit with the clamping groove;

when the puncture is carried out, the rotary rod is inserted into the clamping groove by pressing the rotary rod, the rotary rod is rotated to drive the rotary seat to rotate so that the first screw rod is connected with the clamping structure, and the clamping structure and the laminating structure are attached to the surface of the skin of a human body to fix the whole examination device by adjusting the first screw rod.

Preferably, the adjustment mechanism further comprises:

the rotary sleeve is rotatably connected to the inner top wall of the mounting shell, the rotary rod is sleeved on one end of the mounting shell, the rotary rod is provided with a limiting mechanism, and a limiting groove is formed in the inner wall of the rotary sleeve corresponding to the limiting mechanism;

the first rotating wheel is fixedly sleeved on one end of the rotating sleeve in the mounting shell;

the second rotating wheel is mounted on the inner top wall of the mounting shell, and the first rotating wheel and the second rotating wheel are connected through a belt;

the nut is connected with the second rotating wheel;

one end of the second screw rod is connected with the nut, and the other end of the second screw rod penetrates through the mounting plate and is connected with the attaching structure;

when adjusting during the laminated structure, adjust stop gear makes the swivel sleeve with the rotary rod is fixed, realizes the rotary rod with the swivel sleeve rotates in step.

Preferably, the limit structure includes:

a first movable groove is formed in a section, located above the rotating rod, of the pressing rod, one end of the pressing rod is located outside the first movable groove, the other end of the pressing rod is located in the first movable groove, and a sliding hole communicated with the first movable groove is further formed in the side wall of the first movable groove;

the ejection rod is positioned in the sliding hole;

the spring is positioned in the sliding hole, one end of the spring is connected to the outer wall of the ejection rod, the other end of the spring is connected with the inner wall of the sliding hole, the spring enables one end of the ejection rod to be positioned in the sliding hole and abut against one end of the pressing rod in the movable hole, and a limiting hole matched with the ejection rod is formed in the inner wall of the rotary sleeve; when the clamping structure is adjusted, the pressing rod is pressed, the lower end of the pressing rod is in interference fit with the lower end of the first movable groove, and the ejector rod is ejected out and inserted into the limiting hole through extrusion of the pressing rod.

Preferably, the mounting shell is communicated with the protection cylinder, the inspection device further comprises a plugging mechanism, and the plugging mechanism comprises:

one end of the plugging rod is positioned in the protective barrel, and the other end of the plugging rod is positioned in the mounting shell;

one end of the plugging plate is positioned in the protection cylinder, the other end of the plugging plate is positioned in the mounting shell, the plugging plate is connected above the mounting plate in a sliding manner, and a plugging rod positioned in the mounting shell is connected with the plugging plate positioned in the mounting shell;

the connecting mechanism is used for connecting the plugging plate, the plugging rod and the nut;

when the attaching structure is adjusted, the nut rotates to drive the connecting mechanism to enable the blocking plate and the blocking rod to move towards the inside of the mounting shell so as to unseal the sealing of the puncture needle and the protective cylinder;

after the puncture is finished, the nut is rotated reversely to enable the connecting mechanism to drive the blocking plate and the blocking rod to block the protection cylinder and the puncture needle so as to protect the sample from being polluted.

Preferably, the connection mechanism includes:

the gear ring is fixedly sleeved on the nut;

the outer ring of the turntable is provided with teeth and meshed with the gear ring;

the bracket is arranged on the mounting plate, and the turntable is rotationally connected to the bracket; the one end of connecting rod articulates on the carousel, the other end of connecting rod articulates on the shutoff board, the shutoff pole with the connecting plate is connected.

Preferably, one end of the blocking rod, which is positioned in the mounting rod, is provided with a U-shaped hole, the U-shaped bottom end of the U-shaped hole is provided with a block, the sampling end of the puncture needle is positioned in the U-shaped hole, and the opening of the puncture needle is matched with the block.

Preferably, a notch is formed in one end, located in the protection cylinder, of the blocking plate, the notch is a U-shaped notch, and when the mounting plate is not punctured, the blocking plate blocks the through hole in the mounting plate; when puncturing, the plugging plate moves to the gap to be communicated with the through hole on the mounting plate, so that the puncture needle penetrates through the through hole.

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

according to the invention, the attaching structure, the clamping structure and the adjusting mechanism for connecting the attaching structure and the clamping structure are arranged, the clamping structure is adjusted by the adjusting mechanism to fix the inspection device, the inspection device is attached to a supporting base of a human body, so that the inspection device is fixed firmly, the inspection device cannot shake in the inspection process, the puncture part can be accurately aligned, and the injury of the puncture to the human body in the puncture sampling process due to poor fixing effect is avoided.

The adjusting mechanism is arranged, the attaching structure can be further attached to the skin on the back through twice adjustment of the adjusting mechanism, the attaching structure is attached to the skin on the back, so that the skin at the perforation position cannot shake, fat accumulation on the waist and the abdomen of an obese patient is more, at the moment, if the fat at the part to be punctured on the back is clamped by the clamping mechanism, the fat at the part to be punctured on the back can move away due to the puncture of the puncture needle in the puncturing process, and the skin at the part to be punctured is further pressed tightly by the attaching structure, so that the puncture needle can accurately enter the part to be punctured in the puncturing process; accurate puncture is achieved.

Thirdly, the connecting mechanism and the plugging plate plugging rod are arranged, so that the protection barrel and the puncture needle are plugged when not punctured, and the outer wall of the puncture needle and the inner part of the puncture needle are prevented from being polluted, and the infection to a patient is avoided when puncturing; in addition, the sample in the puncture needle is prevented from being polluted by further plugging after puncture, so that the sample is effectively protected.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is an angular cross-sectional view;

FIG. 3 is an enlarged view of FIG. 2A;

FIG. 4 is an enlarged perspective view of FIG. 3;

FIG. 5 is an enlarged view of FIG. 2B;

FIG. 6 shows the schematic view of the structure of the plugging rod

FIG. 7 is a schematic diagram of a plugging plate structure;

fig. 8 is a schematic cross-sectional view of the rotary rod engaged with the rotary base.

In the figure:

100. a puncture mechanism; 110. a puncture gun; 120. puncturing needle; 130. a protective cylinder;

200. a fixing mechanism; 210. mounting a plate; 220. mounting a shell; 230. a clamping structure; 240. a first screw; 250. a rotating rod 260 and a rotating sleeve; 261. a first rotating wheel; 262. a second rotating wheel; 263. a nut; 264. a second screw; 265. fitting the structure; 266. a pressing lever; 267. ejecting the rod; 268. a spring; 270. a rotating base;

300. a plugging mechanism; 310. a ring gear; 320. a turntable; 330. a support; 340. a connecting rod; 350. a plugging rod; 360. a plugging plate;

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

For the existing puncture needle, the puncture device is bound on the human body in a bandage mode; the puncture is carried out by holding the puncture device by a doctor or operating the puncture device by a mechanical arm, but the puncture device and the position to be punctured of the human body can be displaced in the sampling process by the structural design, so that the puncture position is deviated, and the organ of a patient is damaged.

Referring to fig. 1 to 8, the present invention provides a nephrology examination apparatus including a puncture mechanism 100 and a fixing mechanism 200; the puncture mechanism 100 is used for puncture sampling of the kidney during biopsy; the fixing mechanism 200 comprises a fitting structure 265, a clamping structure 230 and an adjusting mechanism, wherein the fitting structure 265 and the clamping structure 230 are connected through the adjusting mechanism, so that the fitting structure 265 and the clamping structure 230 form a space for clamping a human body from the side; in practical use, the attaching structure 265 is attached to the abdomen of a human body, the attaching structure 265 and the clamping structure 230 are attached to the posture of the human body for installation, and when puncturing is performed, the human body is in a prone state, which is more beneficial for fixing the attaching structure, the attaching structure is only pressed below the abdomen, and when puncturing is performed, the examination device can be further fixed by means of the gravity of the human body, so that the stability of the examination device is provided by the gravity of the human body. In this embodiment, the specific structures of the attaching structure 265 and the clamping structure 230 are not particularly limited, but only the attaching structure 265 and the clamping structure 230 are required to form a waist section for the human body, so that the waist section can be located in a space formed by the attaching structure 265 and the clamping structure 230, and the fixed inspection device can be kept synchronous with the body, so as to prevent the mounted inspection device from shaking after being mounted.

During sampling, the distance between the clamping mechanism and the attaching structure 265 is reduced by adjusting the adjusting mechanism, so that the attaching structure 265 and the clamping structure 230 are respectively attached to the back and the abdomen of the human body; the fitting structure 265 is further fitted on the back of the human body by adjusting the adjusting mechanism, so that the tissue of the part to be punctured is further compressed to facilitate puncturing and sampling by the puncturing mechanism 100.

In a specific embodiment, the lancing mechanism 100 includes a lancing gun 110 and a lancing needle 120 and a protective cartridge 130; one end of the puncture needle 120 is connected with the telescopic end of the puncture gun 110; the protection cylinder 130 is sleeved outside the puncture needle 120, one end of the protection cylinder 130 is connected with the puncture gun 110, and the other end of the protection cylinder 130 is connected with the mounting plate 210. The puncture gun 110 is used for providing power for moving the puncture needle 120, and in specific implementation, the puncture gun 110 can be a linear driving motor and can provide power for linear telescopic movement; the purpose of the protective cylinder 130 is to ensure that the environment of the puncture needle 120 is sterile before being used or before being used, and the protective cylinder 130 can be sterilized before being used, so that the infection of the sampling position of the patient caused by the contamination of the surface of the puncture needle 120 in the subsequent use process can be avoided.

In a specific embodiment. The fixing mechanism 200 includes: a mounting plate 210 and a mounting case 220; the lower end of the protective cylinder 130 is mounted on the mounting plate 210, and a through hole for the puncture needle 120 to pass through is formed in the mounting plate 210 at the position of the mounting cylinder; the mounting shell 220 is mounted above the mounting plate 210, and the adjusting mechanism is mounted on the mounting shell 220; in specific implementation, the width of the mounting plate 210 is slightly greater than the width of the mounting shell 220, the open end of the mounting shell 220 in the length direction is attached to the mounting plate 210, one end of the mounting plate 210 in the width direction is attached to the outer wall of the protection cylinder 130, and the opening edge of the mounting shell 220 away from the protection cylinder 130 is connected to the opening edge of the mounting plate 210; the attaching mechanism is arranged on one side of the mounting plate 210 close to the human body; the width of the conformable structure 265 is greater than the width of the mounting plate 210 to provide a larger contact area, which may facilitate stability of the entire inspection device during lancing. In specific implementation, one side of the attaching structure 265 away from the mounting plate 210 is made of a soft material, and the side near the mounting hole is made of a hard material.

For the clamping structure 230, the clamping structure 230 is an L-shaped structure, the vertical section of the L-shaped clamping structure 230 is connected to the adjusting mechanism, the horizontal section of the L-shaped clamping structure 230 is opposite to the attaching structure 265, and during specific implementation, one side of the clamping structure 230 close to the attaching structure 265 is made of soft materials, so as to improve the comfort when the clamping structure is fixed on a human body.

And for the adjusting mechanism, the adjusting mechanism includes a first screw 240, a rotary seat 270, and a rotary rod 250; one end of the first screw 240 is in threaded connection with a vertical section of the clamping structure 230, and the other end of the first screw 240 sequentially penetrates through the mounting plate 210 and extends into the mounting shell 220; one end of the rotating seat 270 is connected with one end of the first screw 240 penetrating through the mounting plate 210, and a clamping groove is formed in one end of the rotating seat 270 away from the first screw 240; one end of the rotating rod 250, which is close to the clamping groove, is provided with a clamping structure, and the rotating rod 250 is inserted into the clamping groove to drive the rotating seat 270 to rotate when puncture is performed; the other end of the rotating rod 250 penetrates through the mounting shell 220 to the outside of the mounting shell 220, and one end of the rotating rod 250, which is positioned in the clamping groove, is in interference fit with the clamping groove; in specific implementation, the clamping groove comprises an inverted cone-shaped tapered groove located in the middle and side grooves located on two sides of the tapered groove, the side grooves are communicated with the tapered groove, a tapered structure matched with the tapered groove is arranged at the lower end of the rotating rod 250, and a limiting block is arranged on the side wall of the tapered structure; when the rotating rod 250 is pressed downwards, the lower end of the rotating rod 250 is inserted into the clamping groove, and the conical groove is in interference fit with the conical structure at the lower end of the rotating rod 250, so that the rotating rod 250 can rotate together with the rotating seat 270 in the puncturing process.

During puncturing, the rotating rod 250 is inserted into the slot by pressing the rotating rod 250, the rotating rod 250 is rotated to drive the rotating base 270 to rotate, so that the first screw 240 is connected with the clamping structure 230, and after the first screw 240 is adjusted, the clamping structure 230 and the attaching structure 265 are attached to the skin surface of a human body to fix the whole examination device.

When specifically implementing, adjustment mechanism still includes: a rotary sleeve 260, a first rotary wheel 261, a second rotary wheel 262, a nut 263 and a second screw 264;

the rotating sleeve 260 is rotatably connected to the inner top wall of the mounting shell 220, the rotating sleeve 260 is sleeved on one end, located on the mounting shell 220, of the rotating rod 250, a limiting mechanism is arranged on the rotating rod 250, and a limiting groove is formed in the rotating sleeve 260 corresponding to the limiting mechanism; the first rotating wheel 261 is fixedly sleeved on one end of the rotating sleeve 260 in the mounting shell 220; a second rotation wheel 262, the second rotation wheel 262 being mounted on the inner top wall of the mounting case 220, the first rotation wheel 261 and the second rotation wheel 262 being connected by a belt; a nut 263 is connected to the second rotating wheel 262; one end of the second screw 264 is connected to the nut 263, and the other end of the second screw 264 penetrates the mounting plate 210 and is connected to the attaching structure 265. When adjusting laminating structure 265, adjust stop gear makes swivel sleeve 260 with the rotary rod 250 is fixed, realizes the rotary rod 250 with swivel sleeve 260 rotates in step.

In specific implementation, the limiting structure comprises a pressing rod 266, an ejecting rod 267 and a spring 268;

a section of the rotating rod 250 above the pressing rod 266 is provided with a first movable groove, one end of the pressing rod 266 is positioned outside the first movable groove, one end of the pressing rod 266 outside the first movable groove is positioned above the rotating rod 250, the other end of the pressing rod 266 is positioned in the first movable groove, and the side wall of the first movable groove is further provided with a sliding hole communicated with the first movable groove; the ejector rod 267 is positioned in the sliding hole; the spring 268 is located in the sliding hole, one end of the spring 268 is connected to the outer wall of the ejection rod 267, the other end of the spring 268 is connected to the inner wall of the sliding hole, one end of the ejection rod 267 is located in the sliding hole and abuts against one end of the pressing rod 266 located in the movable hole through the spring 268, and a limiting hole matched with the ejection rod 267 is formed in the inner wall of the rotary sleeve 260; when the clamping structure 230 is adjusted, the rotating rod 250 is pressed at the moment to enable the rotating rod 250 to be clamped with the clamping groove, and at the moment, the rotating rod 250 is rotated to drive the rotating base 270 to rotate, so that the clamping structure 230 is locked; after the clamping structure 230 is locked, the rotating rod 250 is pulled out, and at this time, the rotating rod 250 is pressed, so that the lower end of the first movable groove at the lower end of the pressing rod 266 is clamped together, and the ejection rod 267 is clamped in the limiting groove, so that the rotating rod 250 rotates to drive the rotating sleeve 260 to rotate, and the first rotating wheel 261 is driven to rotate. In this embodiment, the rotation of the first rotating wheel 261 drives the second rotating wheel 262 to rotate, and further drives the nut 263 to rotate, so as to drive the screw rod to move downwards, so that the attaching structure 265 is tightly attached to the back, and the body tissue near the perforation can be better fixed, which is beneficial to the puncture of the puncture needle 120.

In a specific embodiment, the mounting shell 220 is in communication with the protective cylinder 130, and the inspection device further comprises an occlusion mechanism 300, the occlusion mechanism 300 comprising: a plugging plate 360, a plugging rod 350 and a connecting mechanism; one end of the blocking rod 350 is positioned in the protective barrel, and the other end of the blocking rod 350 is positioned in the mounting shell 220; one end of the blocking plate 360 is positioned in the protection cylinder 130, and the other end of the blocking plate 360 is positioned in the mounting shell 220; the plugging plate 360 is slidably connected above the mounting plate 210, and the plugging rod 350 located in the mounting shell 220 is connected with the plugging plate 360 located in the mounting shell 220; the connecting mechanism is used for connecting the plugging plate 360, the plugging rod 350 and the nut 263; when the fitting structure 265 is adjusted, the nut 263 rotates to drive the connecting mechanism to move the blocking plate 360 and the blocking rod 350 into the mounting shell 220, so as to unseal the sealing of the puncture needle 120 and the protection cylinder 130; after the puncture is finished, the nut 263 is rotated reversely to make the connection mechanism drive the plugging plate 360 and the plugging rod 350 to plug the protection cylinder 130 and the puncture needle 120, so as to protect the sample from being polluted.

Further, the connecting mechanism comprises a gear ring 310, a turntable 320, a bracket 330 and a connecting rod 340; the gear ring 310 is fixedly sleeved on the nut 263; the outer ring of the turntable 320 is provided with teeth, and the outer ring of the turntable 320 is meshed with the gear ring 310; the bracket 330 is installed on the installation plate 210, and the turntable 320 is rotatably connected to the bracket 330; one end of the connecting rod 340 is hinged on the turntable 320, the other end of the connecting rod 340 is hinged on the plugging plate 360, and the plugging rod 350 is connected with the connecting plate. The rotation of the gear ring 310 drives the rotary disc 320 to rotate 180 degrees, so that the connecting rod 340 drives the blocking plate 360 and the blocking rod 350 to move, thereby releasing the sealing state and facilitating the movement of the puncture needle 120.

During specific implementation, a U-shaped hole is formed in one end, located in the installation rod, of the blocking rod 350, a blocking plug is arranged at the U-shaped bottom end of the U-shaped hole, the sampling end of the puncture needle 120 is located in the U-shaped hole, and the opening of the puncture needle 120 is matched with the blocking plug.

A notch is formed in one end, located in the protective barrel 130, of the blocking plate 360, the notch is a U-shaped notch, and when the protective barrel is not punctured, the blocking plate 360 blocks a through hole in the mounting plate 210; during puncturing, the blocking plate 360 is moved to open the gap to the through hole of the mounting plate 210, so that the puncturing needle 120 can pass through the through hole.

During the specific during operation of this equipment, earlier adjust this equipment to the position of lying prone on the sick bed with the patient, follow this moment and will laminate structure 265 and the continuous removal of clamp structure 230 to side for when puncture mechanism 100 adjusts to treating the puncture position, the belly was pressed on clamp structure 230 this moment. At this time, the rotating rod 250 is pressed to clamp the lower end of the rotating rod 250 with the rotating base 270, and then the rotating rod 250 is rotated to continuously lock the first screw 240 and the clamping structure 230, so that the distance between the attaching structure 265 and the clamping structure 230 is continuously reduced until the attaching structure 265 and the clamping structure 230 are tightly attached to the skin, and the adjustment is performed according to the obesity conditions of different patients during the specific adjustment.

When the clamping structure 230 and the attaching structure 265 are attached to the skin tissue surface, the fixation is initially stable, and then when the rotating rod 250 is pulled out until the ejecting rod 267 is positioned at the position of the limiting groove, the rotating rod 250 is pulled out, so that the tightness of the clamping structure 230 is not affected by the pulling-out of the rotating rod 250, the clamping structure 230 and the attaching structure 265 can still be attached to the skin surface of the human body in a clinging manner, and the effect of basic fixation is achieved; however, in order to further adjust the fixation between the body tissue of the to-be-punctured part and the skin, it is ensured that the fat tissue of the body is not displaced during the puncturing process due to the excessive fat of the obese person when the body tissue of the to-be-punctured part is punctured, so that the puncturing accuracy is improved, and if the body tissue of the to-be-punctured part is directly clamped to be too tight, an uncomfortable feeling is brought to a patient. During the second fixing, the pressing rod 266 is pressed at this time, and the lower end of the pressing rod 266 is clamped to the lower end of the first movable groove, so that the ejection rod 267 is extruded and clamped into the limiting groove; subsequently, the rotating rod 250 is rotated to rotate the rotating rod 250 by 180 degrees, so that the first rotating sleeve 260 is rotated by 180 degrees, the first rotating wheel 261 is rotated by 180 degrees, the second rotating wheel 262 is rotated by 180 degrees, and the nut 263 is rotated by 180 degrees, thereby driving the second screw rod 264 to move downwards to the fitting structure 265 for further compression, so that the skin tissue near the perforation is further fixed, and the puncture of the puncture needle 120 is further facilitated. In specific implementation, the rotation angle can be adjusted according to specific conditions, and can be 360 degrees or 720 degrees, and the adjustment is required according to specific use environments.

Meanwhile, the plugging condition of the plugging mechanism 300 on the protection cylinder 130 and the puncture needle 120 can be adjusted by the secondary rotation, and the plugging condition is released while the attaching structure 265 is pressed against the part to be punctured under the condition that the nut 263 rotates, so that the part to be punctured can be directly punctured and sampled after the secondary fixation, manual plugging removal operation is not needed, and the inspection time can be saved. Meanwhile, the hand is prevented from contacting the puncture mechanism again, and the environmental pollution is avoided. Specifically, the rotary disc 320 rotates to drive the connecting rod 340 to move, so that the blocking plate 360 and the blocking rod 350 respectively release the blocking state of the protection barrel 130 and the puncture needle 120.

After the puncture is finished, the rotating rod 250 is rotated reversely, so that the blocking plate 360 and the blocking rod 350 block the protection barrel 130 and the puncture needle 120 respectively again; at the same time, the second screw 264 rotates reversely, so that the fitting structure 265 and the muscle tissue of the back keep further loose; the pressing rod 266 is pulled out, the rotating rod 250 is pressed, the rotating rod 250 is connected with the rotating base 270 again, and then the rotating rod 250 is rotated reversely to rotate the first screw 240, so as to adjust the distance between the attaching structure 265 and the clamping structure 230. Adjustment is stopped after the distance between the gripping structure 230 and the conformable structure 265 is appropriate for evacuating the entire inspection unit from the body.

When the puncture is not performed, the puncture needle 120 and the protective barrel 130 are respectively blocked by the blocking rod 350 and the blocking plate 360, so that the environment where the puncture needle 120 is located can be kept as a sterile environment under the condition that the examination device is not used, and further trauma or other infection risks caused by pathogenic bacteria infection to a patient in the subsequent puncture process are avoided; meanwhile, after the puncture is finished, the rotation of the rotating rod 250 can not only adjust the further looseness of the attaching structure 265, but also can timely plug the puncture needle 120 and the protection barrel 130 by the plugging rod 350 and the plugging plate 360 in the plugging mechanism when the skin is attached to the attaching structure 265, so that the effect of further looseness and convenience in removal can be achieved, the protection barrel 130 and the puncture needle 120 can be timely sealed, the sampling is ensured not to be polluted, and the accuracy of sampling detection is ensured.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An examination apparatus for nephrology, comprising:

a puncture mechanism (100), wherein the puncture mechanism (100) is used for puncture sampling of the kidney during biopsy;

the fixing mechanism (200) comprises a fitting structure (265), a clamping structure (230) and an adjusting mechanism, and the puncturing mechanism (100) is arranged above the fitting structure (265); the attaching structure (265) is connected with the clamping structure (230) through an adjusting mechanism, and when the device is used, the attaching structure (265) is attached to the back of a human body; the clamping structure (230) is attached to the abdomen of the human body; so that the attaching structure (265) and the clamping structure (230) form a space for clamping a human body from the side;

when sampling, the distance between the clamping mechanism and the attaching structure (265) is reduced by adjusting the adjusting mechanism, so that the attaching structure (265) and the clamping structure (230) are respectively attached to the back and the abdomen of the human body; and then the attaching structure (265) is further attached to the back of the human body by adjusting the adjusting mechanism, so that the tissue of the part to be punctured is further compressed to facilitate puncturing and sampling by the puncturing mechanism (100).

2. Nephrological examination device according to claim 1, characterized in that the puncture mechanism (100) comprises:

a puncture gun (110);

the puncture needle (120), one end of the puncture needle (120) is connected with the telescopic end of the puncture gun (110);

the puncture needle comprises a protection cylinder (130), wherein the protection cylinder (130) is sleeved outside the puncture needle (120), one end of the protection cylinder (130) is connected with the puncture gun (110), and the other end of the protection cylinder (130) is connected with a mounting plate (210).

3. An nephrological examination device according to claim 2, characterised in that: the fixing mechanism (200) comprises:

the lower end of the protection cylinder (130) is mounted on the mounting plate (210), and a through hole for the puncture needle (120) to pass through is formed in the mounting plate (210) at the position of the mounting cylinder;

a mounting case (220); the mounting shell (220) is mounted above the mounting plate (210), and the adjusting mechanism is mounted on the mounting shell (220); the attaching mechanism is arranged on one side of the mounting plate (210) close to the human body; the clamping structure (230) is of an L-shaped structure, the vertical section of the clamping structure (230) is connected with the adjusting mechanism, and the transverse section of the clamping structure (230) is opposite to the attaching structure (265).

4. An nephrological examination device according to claim 3, characterised in that the adjustment mechanism comprises:

one end of the first screw rod (240) is in threaded connection with a vertical section of the clamping structure (230), and the other end of the first screw rod (240) sequentially penetrates through the mounting plate (210) and extends into the mounting shell (220);

one end of the rotating seat (270) is connected with one end, penetrating through the mounting plate (210), of the first screw (240), and a clamping groove is formed in one end, far away from the first screw (240), of the rotating seat (270);

one end, close to the clamping groove, of the rotating rod (250) is provided with a clamping structure, and the rotating rod (250) is inserted into the clamping groove to drive the rotating seat (270) to rotate when puncture is performed; the other end of the rotating rod (250) penetrates through the mounting shell (220) to the outside of the mounting shell (220), and one end of the rotating rod (250) located in the clamping groove is in interference fit with the clamping groove;

the rotary sleeve (260) is rotatably connected to the inner top wall of the mounting shell (220), the rotary sleeve (260) is sleeved on one end, located on the mounting shell (220), of the rotary rod (250), a limiting mechanism is arranged on the rotary rod (250), and a limiting groove is formed in the inner wall, corresponding to the limiting mechanism, of the rotary sleeve (260);

the first rotating wheel (261) is fixedly sleeved on one end, located in the mounting shell (220), of the rotating sleeve (260);

a second rotation wheel (262), the second rotation wheel (262) being mounted on an inner top wall of the mounting case (220), the first rotation wheel (261) and the second rotation wheel (262) being connected by a belt;

during puncture, the rotating rod (250) is inserted into the clamping groove by pressing the rotating rod (250), the rotating rod (250) is rotated to drive the rotating seat (270) to rotate, so that the first screw rod (240) is connected with the clamping structure (230), and after the first screw rod (240) is adjusted, the clamping structure (230) and the attaching structure (265) are attached to the skin surface of a human body to fix the whole inspection device.

5. An nephrological examination device according to claim 4, characterised in that:

the adjustment mechanism further comprises:

a nut (263), said nut (263) being connected to said second rotary wheel (262);

one end of the second screw rod (264) is connected with the nut (263), and the other end of the second screw rod (264) penetrates through the mounting plate (210) and is connected with the attaching structure (265);

when adjusting laminating structure (265), adjust stop gear makes swivel sleeve (260) with rotary rod (250) are fixed, realize rotary rod (250) with swivel sleeve (260) rotate in step.

6. An nephrological examination device according to claim 5, characterised in that: the limit structure, limit structure includes:

a first movable groove is formed in a section, located above the rotating rod (250), of the pressing rod (266), one end of the pressing rod (266) is located outside the first movable groove, the other end of the pressing rod (266) is located inside the first movable groove, and a sliding hole communicated with the first movable groove is further formed in the side wall of the first movable groove;

an ejector rod (267), the ejector rod (267) being located within the sliding bore;

the spring (268) is located in the sliding hole, one end of the spring (268) is connected to the outer wall of the ejection rod (267), the other end of the spring (268) is connected with the inner wall of the sliding hole, one end of the ejection rod (267) is located in the sliding hole and abuts against one end, located in the movable hole, of the pressing rod (266) through the spring (268), and a limiting hole matched with the ejection rod (267) is formed in the inner wall of the rotating sleeve (260); when the clamping structure (230) is adjusted, the pressing rod (266) is pressed, the lower end of the pressing rod (266) is in interference fit with the lower end of the first movable groove, and the ejection rod (267) is ejected out and inserted into the limiting hole through the extrusion of the pressing rod (266).

7. An examination apparatus according to any one of claims 2-6, characterised in that;

the mounting shell (220) is communicated with the protective cylinder (130), the inspection device further comprises a plugging mechanism (300), and the plugging mechanism (300) comprises:

a plugging rod (350), one end of the plugging rod (350) is positioned in the protection barrel, and the other end of the plugging rod (350) is positioned in the mounting shell (220);

one end of the blocking plate (360) is positioned in the protective cylinder (130), the other end of the blocking plate (360) is positioned in the mounting shell (220), the blocking plate (360) is connected above the mounting plate (210) in a sliding manner, and a blocking rod (350) positioned in the mounting shell (220) is connected with the blocking plate (360) positioned in the mounting shell (220);

-a connection mechanism for connecting the plugging plate (360), the plugging rod (350) and the nut (263);

when the attaching structure (265) is adjusted, the nut (263) rotates to drive the connecting mechanism to enable the blocking plate (360) and the blocking rod (350) to move towards the inside of the mounting shell (220) so as to unseal the sealing of the puncture needle (120) and the protective cylinder (130);

after the puncture is finished, the nut (263) is rotated reversely, so that the connecting mechanism drives the blocking plate (360) and the blocking rod (350) to block the protective cylinder (130) and the puncture needle (120), and the sample is protected from being polluted.

8. An nephrological examination device according to claim 7, characterised in that: the connecting mechanism includes:

the gear ring (310) is fixedly sleeved on the nut (263);

the outer ring of the rotary table (320) is provided with teeth, and the outer ring of the rotary table (320) is meshed with the gear ring (310);

the bracket (330), the bracket (330) is installed on the mounting plate (210), and the rotary disc (320) is rotatably connected to the bracket (330);

the one end of connecting rod (340) articulates on carousel (320), the other end of connecting rod (340) articulates on shutoff board (360), shutoff pole (350) with the connecting plate is connected.

9. An examination apparatus according to claim 8, characterised in that: the blocking rod (350) is located one end in the installation rod is provided with a U-shaped hole, the U-shaped bottom end of the U-shaped hole is provided with a blocking plug, the sampling end of the puncture needle (120) is located in the U-shaped hole, and the opening of the puncture needle (120) is matched with the blocking plug.

10. An examination apparatus for nephrology according to claim 9, characterised in that: a notch is formed in one end, located in the protection barrel (130), of the blocking plate (360), the notch is a U-shaped notch, and when the blocking plate (360) does not puncture, the through hole in the mounting plate (210) is blocked; when puncturing, the blocking plate (360) moves to the gap to be communicated with the through hole on the mounting plate (210) so that the puncture needle (120) passes through the through hole.