Kidney puncture outfit in nephrology department

Abstract

The utility model discloses a kidney puncture outfit in nephrology, which relates to the technical field of kidney puncture outfit and comprises a telescopic mechanism, an auxiliary mechanism is fixedly connected to the lower surface of the telescopic mechanism, a needle sheath mechanism is fixedly connected to the inner surface of the auxiliary mechanism, a needle core mechanism is slidably connected to the inner surface of the needle sheath mechanism, and the telescopic mechanism comprises a protective shell. The lower surface of the protective shell is fixedly connected to the upper surface of the auxiliary mechanism, a sliding hole is formed in the surface of the protective shell, a sliding plate is slidably connected into the sliding hole, a fixing block is fixedly connected to the surface of the sliding plate, a spring is fixedly connected to the upper surface of the fixing block, and a pressing block is fixedly connected to the upper surface of the sliding plate. A first U-shaped groove is formed in the surface of the pressing block. The pressing block is pressed to drive the sliding plate to slide down, the spring is stretched, the fixing block is used for driving the needle core to move out of the needle sheath, kidney tissue is extracted by means of color ultrasound observation and the hook-back block, and after extraction is finished, the pressing block is slowly loosened by hand, and the needle core returns to the needle sheath.

Description

Technical Field

[0001] This utility model relates to the field of renal puncture device technology, specifically to a renal puncture device for nephrology. Background Technology

[0002] Kidney biopsy, also known clinically as renal biopsy, uses a special renal biopsy instrument to extract a portion of the kidney tissue under ultrasound guidance. The tissue is then examined under a microscope to determine the severity and cause of kidney disease, thus identifying the appropriate treatment plan. For example, if blood is present in the urine, a kidney biopsy can determine the cause. Protein in the urine can also be detected using a kidney biopsy. Kidney biopsy is an invasive procedure; therefore, the indications for the procedure must be thoroughly understood beforehand, and any emergencies must be ruled out to prevent abnormalities.

[0003] Patent publication number CN201790875U discloses a kidney puncture needle, including an outer needle tube, an outer needle seat, an outer needle tip, an inner needle tube, and an inner needle seat. It is also provided with a fixing seat and an inner needle tip fixing seat that are integrated with the inner needle seat. The inner needle tip is integrated with the inner needle tube, and a fixing groove is formed on the outer needle seat. The outer needle tip is integrated with the outer needle tube.

[0004] To address the issues surrounding kidney biopsy, current techniques employ a well-designed structure with both internal and external needles, ensuring a safe and effective treatment and examination of kidney diseases. However, problems remain, such as the inability to adjust the length of the external needle and the inconvenience of extracting kidney tissue with the internal needle. These issues lead to unsafe and inconvenient operation. Utility Model Content

[0005] The purpose of this invention is to provide a renal puncture device for nephrology to solve the problems mentioned in the background art.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0007] A renal biopsy device for nephrology includes a telescopic mechanism, an auxiliary mechanism fixedly connected to the lower surface of the telescopic mechanism, a needle sheath mechanism fixedly connected to the inner surface of the auxiliary mechanism, and a needle core mechanism slidably connected to the inner surface of the needle sheath mechanism.

[0008] The telescopic mechanism includes a protective shell, the lower surface of which is fixedly connected to the upper surface of the auxiliary mechanism. A sliding hole is provided on the surface of the protective shell, and a sliding plate is slidably connected inside the sliding hole.

[0009] The further improvement in the utility model technical scheme lies in that the surface of the sliding plate is fixedly connected with a fixed block, the upper surface of the fixed block is fixedly connected with a spring, the upper surface of the sliding plate is fixedly connected with a pressing block, the surface of the pressing block is provided with a U-shaped groove one, and the inside of the U-shaped groove one is fixedly connected with a silica gel block one.

[0010] The further improvement in the utility model technical scheme lies in that the auxiliary mechanism comprises a connecting block, the upper surface of the connecting block is fixedly connected to the lower surface of the protection shell, the surface of the connecting block is provided with a cylindrical hole, and the surface of the connecting block is fixedly connected with an auxiliary block.

[0011] The further improvement in the utility model technical scheme lies in that the surface of the auxiliary block is provided with a U-shaped groove two, and the surface of the U-shaped groove two is fixedly connected with a silica gel block two.

[0012] The further improvement in the utility model technical scheme lies in that the needle sheath mechanism comprises a needle sheath, the needle sheath is fixedly connected to the inside of the cylindrical hole, and the surface of the needle sheath is provided with a thread.

[0013] The further improvement in the utility model technical scheme lies in that the surface of the needle sheath is threadedly connected with a positioning block, the surface of the needle sheath is provided with a scale, and the bottom end of the needle sheath is provided with an inclined surface.

[0014] The further improvement in the utility model technical scheme lies in that the needle core mechanism comprises a needle core, the upper end of the needle core is fixedly connected to the bottom of the fixed block, the surface of the needle core is slidably connected to the inside of the needle sheath, the bottom end of the needle core is provided with an inclined surface two, the surface of the inclined surface two is fixedly connected with a hooking block, and the surface of the hooking block is provided with a hole.

[0015] Due to the adoption of the above technical scheme, the utility model has the following technical progress compared with the prior art:

[0016] 1、The utility model provides a kidney department kidney puncture device adopts telescopic mechanism, needle sheath mechanism, needle core mechanism, utilizes the cooperation between protection shell, sliding hole, sliding plate, fixed block, spring, pressing block, U-shaped groove one, silica gel block one, needle sheath, needle core, inclined surface two, hooking block, hole, sliding plate is driven to slide down through pressing pressing block, spring is stretched, utilizes fixed block and drives needle core to move out from needle sheath, is observed through the help of color ultrasound, utilizes the hooking block on inclined surface two and extracts kidney tissue, after extraction, hand slowly releases pressing block, and needle core returns to needle sheath.

[0017] 2. The utility model provides a kidney department kidney puncture ware adopts auxiliary mechanism, telescopic mechanism, needle sheath mechanism, utilizes connecting block, cylindrical hole, auxiliary block, U groove two, silica gel block two, U groove one, silica gel block one, when operating, through the silica gel block two and silica gel block one of the finger in U groove two and U groove one, carry out the auxiliary block and press press block, utilize the characteristic of silica gel block, it is safer and more convenient to operate.

[0018] 3. The utility model provides a kidney department kidney puncture ware adopts needle sheath mechanism, needle core mechanism, utilizes the cooperation between needle sheath, screw thread, scale, positioning block, bevel one, needle core, through the help of color ultrasound observation patient, utilize screw thread and scale and make positioning block move on needle sheath, rationally determine the needle sheath length that needs to go into the patient's body, improved the success and safety of operation, when needle sheath enters the patient's body, positioning block sticks to the surface skin of patient, remind can carry out needle core extraction. DRAWINGS

[0019] Figure 1 It is the three-dimensional structure schematic view of the utility model;

[0020] Figure 2 It is the telescopic mechanism structure schematic view of the utility model;

[0021] Figure 3 It is the auxiliary mechanism structure schematic view of the utility model;

[0022] Figure 4 It is the needle sheath mechanism structure schematic view of the utility model;

[0023] Figure 5 It is the needle core mechanism structure schematic view of the utility model.

[0024] In the drawing: 1, telescopic mechanism; 11, protective shell; 12, sliding hole; 13, sliding plate; 14, fixed block; 15, spring; 16, press block; 17, U groove one; 18, silica gel block one; 2, auxiliary mechanism; 21, connecting block; 22, cylindrical hole; 23, auxiliary block; 24, U groove two; 25, silica gel block two; 3, needle sheath mechanism; 31, needle sheath; 32, screw thread; 33, scale; 34, positioning block; 35, bevel one; 4, needle core mechanism; 41, needle core; 42, bevel two; 43, backhook block; 44, hole. DETAILED DESCRIPTION

[0025] The utility model will be further explained in detail in connection with the following examples:

[0026] Example 1

[0027] As Figures 1-5The utility model provides a kidney department kidney puncture ware, including telescopic mechanism 1, the lower surface fixed connection of telescopic mechanism 1 has auxiliary mechanism 2, the inside surface fixed connection needle sheath mechanism 3 of auxiliary mechanism 2, the inside surface sliding connection of needle sheath mechanism 3 has needle core mechanism 4, telescopic mechanism 1 includes protection shell 11, the lower surface fixed connection of protection shell 11 is in the upper surface of auxiliary mechanism 2, the surface of protection shell 11 is equipped with sliding hole 12, the inside sliding connection of sliding hole 12 has sliding plate 13, the surface fixed connection of sliding plate 13 has fixed block 14, the upper surface fixed connection of fixed block 14 has spring 15, the upper surface fixed connection of sliding plate 13 has press block 16, the surface of press block 16 is equipped with U type groove no. 17, the inside fixed connection of U type groove no. 17 has silica gel block no. 18.

[0028] In this embodiment, by means of color Doppler ultrasound, the needle sheath mechanism enters the kidney near the patient's body by hand pushing auxiliary mechanism 2, the sliding plate 13 is driven to slide down by pressing the press block 16, the spring 15 is stretched, the needle core mechanism 4 is driven to move out of the needle sheath mechanism 3 by the fixed block 14, the kidney tissue is extracted by the needle core mechanism 4 by means of color Doppler ultrasound observation, after extraction, the needle core mechanism 4 returns to the needle sheath mechanism 3 by slowly releasing the press block 16 by hand, the operation is safer, and the success rate of kidney tissue extraction is higher.

[0029] Embodiment 2

[0030] As Figures 1-5 shown, on the basis of embodiment 1, the utility model provides a technical scheme: preferably, auxiliary mechanism 2 includes connecting block 21, the upper surface fixed connection of connecting block 21 is in the lower surface of protection shell 11, the surface of connecting block 21 is equipped with cylindrical hole 22, the surface fixed connection of connecting block 21 has auxiliary block 23, the surface of auxiliary block 23 is equipped with U type groove no. 24, the surface fixed connection of U type groove no. 24 has silica gel block no. 25

[0031] In this embodiment, during operation, the silica gel block no. 25 and the silica gel block no. 18 in the U type groove no. 24 and the U type groove no. 17 are pushed by the fingers, the auxiliary block 23 and the press block 16 are pressed, and the characteristics of the silica gel block no. 25 and the silica gel block no. 18 are utilized, so that the operation is safer and more convenient.

[0032] Embodiment 3

[0033] As Figures 1-5As shown, based on Embodiment 1, this utility model provides a technical solution: Preferably, the needle sheath mechanism 3 includes a needle sheath 31, which is fixedly connected to the inside of the cylindrical hole 22. The surface of the needle sheath 31 is provided with a thread 32, and a positioning block 34 is threadedly connected to the surface of the needle sheath 31. The surface of the needle sheath 31 is provided with a scale 33, and the bottom end of the needle sheath 31 is provided with a beveled surface 35. The needle core mechanism 4 includes a needle core 41, the upper end of which is fixedly connected to the bottom of the fixing block 14. The surface of the needle core 41 is slidably connected to the inside of the needle sheath 31. The bottom end of the needle core 41 is provided with a beveled surface 42, and a hook block 43 is fixedly connected to the surface of the beveled surface 42. The surface of the hook block 43 is provided with a hole 44.

[0034] In this embodiment, by observing the patient with color Doppler ultrasound, the positioning block 34 is moved on the needle sheath 31 using the thread 32 and the scale 33, and the length of the needle sheath 31 that needs to be inserted into the patient's body is reasonably determined, which improves the success and safety of the operation. When the needle sheath 31 enters the patient's body and the positioning block 34 is in contact with the patient's skin, it is time to extract the needle core 41. The kidney tissue is extracted using the hook block 43 on the oblique cut surface 42 of the needle core 41. The hole 44 can bring the kidney tissue back into the needle sheath 31. Finally, the needle sheath 31 is pulled out.

[0035] The working principle of this type of nephrology puncture device will be explained in detail below.

[0036] like Figures 1-5 As shown, during operation, by placing the finger on the silicone blocks 25 and 18 within the U-groove 24 and U-groove 17, respectively, the auxiliary block 23 is pushed and the pressing block 16 is pressed. Utilizing the characteristics of the silicone blocks 25 and 18, the operation is safer and more convenient. The thread 32 and scale 33 are used to move the positioning block 34 on the needle sheath 31, reasonably determining the length of the needle sheath 31 that needs to be inserted into the patient's body, thus improving the success and safety of the operation. With the aid of color Doppler ultrasound, the needle sheath mechanism is inserted into the vicinity of the kidney in the patient's body through the hand-pushing auxiliary mechanism 2, and the pressing block 16 is pressed to drive... The sliding plate 13 slides down, the spring 15 stretches, and the fixing block 14 drives the needle core mechanism 4 to move out of the needle sheath mechanism 3. With the aid of color Doppler ultrasound, the needle core mechanism 4 is used to extract kidney tissue. When the needle sheath 31 enters the patient's body, the positioning block 34 is attached to the patient's skin, indicating that the needle core 41 can be extracted. The hook block 43 on the oblique section 42 of the needle core 41 is used to extract the kidney tissue. After extraction, the hand slowly releases the pressing block 16 to allow the needle core mechanism 4 to return to the needle sheath mechanism 3. The hole 44 can bring the kidney tissue back into the needle sheath 31. Finally, the needle sheath 31 is pulled out.

[0037] The utility model has made the detailed description to the utility model generally above, but can make some modification or improvement to it on the basis of the utility model, this is obvious to the general skilled person in the technical field. Therefore, the modification or improvement without departing from the utility model thought spirit, all are within the protection scope of the utility model.

Claims

1. A renal puncture device in nephrology comprising a telescopic mechanism (1), characterized in that: The lower surface of the telescopic mechanism (1) is fixedly connected with an auxiliary mechanism (2), the inner surface of the auxiliary mechanism (2) is fixedly connected with a needle sheath mechanism (3), and the inner surface of the needle sheath mechanism (3) is slidably connected with a needle core mechanism (4). The telescopic mechanism (1) comprises a protective shell (11), the lower surface of the protective shell (11) is fixedly connected to the upper surface of the auxiliary mechanism (2), and a sliding hole (12) is formed in the surface of the protective shell (11).

2. The renal percutaneous needle of claim 1, wherein: The surface of the sliding plate (13) is fixedly connected with a fixed block (14), the upper surface of the fixed block (14) is fixedly connected with a spring (15), the upper surface of the sliding plate (13) is fixedly connected with a pressing block (16), the surface of the pressing block (16) is provided with a U-shaped groove (17), and the inner surface of the U-shaped groove (17) is fixedly connected with a silica gel block (18).

3. The renal percutaneous device according to claim 2, wherein: The auxiliary mechanism (2) comprises a connecting block (21), the upper surface of the connecting block (21) is fixedly connected to the lower surface of the protective shell (11), a cylindrical hole (22) is formed in the surface of the connecting block (21), and the surface of the connecting block (21) is fixedly connected with an auxiliary block (23).

4. The renal percutaneous needle of claim 3, wherein: The surface of the auxiliary block (23) is provided with a U-shaped groove (24), and the surface of the U-shaped groove (24) is fixedly connected with a silica gel block (25).

5. The renal percutaneous device according to claim 4, wherein: The needle sheath mechanism (3) comprises a needle sheath (31), the needle sheath (31) is fixedly connected to the inner surface of the cylindrical hole (22), and the surface of the needle sheath (31) is provided with a thread (32).

6. The renal percutaneous puncture device according to claim 5, wherein: The surface of the needle sheath (31) is threadedly connected with a positioning block (34), the surface of the needle sheath (31) is provided with a scale (33), and the bottom end of the needle sheath (31) is provided with an inclined surface (35).

7. The renal percutaneous device according to claim 6, wherein: The needle core mechanism (4) comprises a needle core (41), the upper end of the needle core (41) is fixedly connected to the bottom of the fixed block (14), the surface of the needle core (41) is slidably connected to the inner surface of the needle sheath (31), the bottom end of the needle core (41) is provided with an inclined surface (42), the surface of the inclined surface (42) is fixedly connected with a hooking block (43), and the surface of the hooking block (43) is provided with a hole (44).

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