PICC (Peripherally Inserted Central Catheter) operation trolley with locking structure

Abstract

The utility model discloses a PICC (Peripherally Inserted Central Catheter) operation vehicle with locking structures, and relates to the technical field of medical instruments, the PICC operation vehicle comprises a bottom frame, two locking mechanisms are symmetrically arranged at the rear position of the bottom of the bottom frame, each locking mechanism comprises a steering assembly arranged at the bottom of the bottom frame, the steering assembly comprises a wheel seat, and the wheel seat is arranged on the bottom of the bottom frame; a wheel shaft is rotationally arranged in the wheel seat, and one end of the wheel shaft movably penetrates through the inner wall of the wheel seat and extends to the outside. According to the PICC catheterization operation trolley with the locking structure, when the PICC catheterization operation trolley is parked, a pull rod only needs to be loosened, and a clamping plate is pushed to descend and be clamped with a gear under the action of restoring force of a spring, so that a roller in a steering assembly is automatically locked, the operation trolley is prevented from sliding, and the problem that the operation trolley accidentally moves due to the fact that medical workers are busy and negligence and forget to lock wheels is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, concretely is PICC catheterization operation car with locking structure. BACKGROUND

[0002] The peripherally inserted central catheter (PICC) is used for providing mid-term to long-term intravenous infusion treatment for patients, can effectively protect the upper limb vein, reduce the occurrence of phlebitis, relieve the pain of the patient and improve the life quality of the patient.

[0003] In the prior art, such as the announcement number: CN214018285U, a PICC catheterization maintenance vehicle is disclosed, which comprises a bearing plate, a storage box is arranged on one side of the upper surface of the bearing plate, a drawer is inserted on one side of the storage box, a water storage tank is arranged on the top of the storage box, a first water outlet pipe is arranged on the bottom of the water storage tank, and a water flow control valve is movably connected on one side of the water storage tank. The PICC catheterization maintenance vehicle can store PICC catheterization or other medical auxiliary tools in the storage box, which is convenient for medical staff to access, and the water storage tank can be filled with water, which can be used to clean the instruments during the operation of the medical staff, so that the medical staff can save time and effort during the operation, and the operation plate is provided, which can be operated on the operation plate during the operation of the medical staff, and the operation plate is provided with a second water outlet pipe, which can clean the cleaning instruments or the waste liquid left after the operation.

[0004] Based on the above-mentioned prior art, the existing PICC catheterization operation vehicle still has the following problems: the traditional operation vehicle is moved to the specified position by the universal wheel at the bottom, and the self-locking mechanism on the universal wheel needs to be stepped by the personnel to be locked to prevent the vehicle from moving, but the medical staff often forget to lock the wheels due to busy negligence, which easily leads to the accidental movement of the operation vehicle and the safety hazard. Therefore, the utility model provides a PICC catheterization operation vehicle with a locking structure. UTILITY MODEL CONTENTS

[0005] In view of the defects of the prior art, the utility model provides a PICC catheterization operation vehicle with a locking structure, which solves the problem that the medical staff often forget to lock the wheels due to busy negligence, which easily leads to the accidental movement of the operation vehicle and the safety hazard.

[0006] To achieve the above object, the utility model discloses a PICC catheterization operation vehicle with locking structure, including the chassis, the rear position of the chassis bottom is equipped with two locking mechanisms symmetrically, and each locking mechanism comprises:

[0007] The steering assembly is arranged at the bottom of the chassis, and the steering assembly comprises a wheel seat, a wheel shaft is rotatably arranged in the wheel seat, one end of the wheel shaft is movably penetrated through the inner wall of the wheel seat and extends to the outside, and the wheel shaft is rotatably arranged in the wheel seat.

[0008] The limiting assembly is arranged outside the steering assembly and is used for locking the steering assembly, and the limiting assembly comprises a fixed plate and a gear, the fixed plate is installed on the outer surface of the wheel seat, the gear is installed on the end of the wheel shaft, screw holes are symmetrically formed in the top of the fixed plate, a square hole is formed through the top of the fixed plate, a limiting plate is arranged on the top of the fixed plate, a square column is fixedly connected to the bottom of the limiting plate, the square column is slidably penetrated through the inside of the square hole and extends downward, a clamping plate is fixedly connected to the bottom of the square column and is clamped with the gear, a spring is sleeved outside the square column, and the top end and the bottom end of the spring are fixedly connected with the bottom surface of the fixed plate and the top surface of the clamping plate respectively.

[0009] The protective assembly is arranged outside the limiting assembly and is used for protecting the limiting assembly.

[0010] Preferably, the front wheels are symmetrically installed on the front side of the bottom of the chassis, the vertical columns are symmetrically installed on the front side of the top of the chassis, the operating table is fixedly connected between the top ends of the two vertical columns, and the front surface of the operating table is fixedly connected with two connecting blocks.

[0011] Preferably, the outer wall of the wheel shaft is fixedly sleeved with a roller, the roller is arranged in the wheel seat, the top of the wheel seat is fixedly connected with a rotating shaft, and the rotating shaft is rotatably installed at the rear position of the bottom of the chassis.

[0012] Preferably, the handlebars are installed at the rear position of the top of the chassis, the handlebars are fixedly connected with the connecting blocks, the outer surface of the handlebars is symmetrically provided with sliding grooves, sliding blocks are slidably arranged in the two sliding grooves, a pull rod is fixedly connected between the two sliding blocks, two steel wires are fixedly connected to the outer wall of the pull rod, and the bottom ends of the two steel wires are fixedly connected with the top surfaces of the two limiting plates.

[0013] Preferably, a plurality of limiting rings are sleeved outside the two steel wires, the outer surface of the limiting ring is fixedly connected with a connecting rod, and the end of the connecting rod is fixedly connected with the outer surface of the handlebar.

[0014] Preferably, the protective assembly comprises a protective cover, the outer surface of the protective cover is attached to the outer surface of the wheel seat, the inside of the protective cover is a cavity structure, the inner top surface of the protective cover is attached to the top surface of the fixed plate, the top of the protective cover is symmetrically provided with bolts, the bolts are movably penetrated through the top of the bolts and are matched with the screw holes.

[0015] Advantages

[0016] The utility model provides a PICC catheterization operation car with locking structure has the following advantages compared with prior art:

[0017] (1), this PICC catheterization operation car with locking structure, when parking, only need to loosen pull rod, under the restoring force of spring, push down the clamping plate, and gear clamping, thereby automatically locking the roller in steering assembly, prevent the operation car from sliding, solved because the medical staff is busy inattentive, forget to lock the wheel, lead to the unexpected movement of operation car.

[0018] (2), this PICC catheterization operation car with locking structure, through the shroud, can effectively protect the limiting component from external collision, can avoid gear and ground sundries winding phenomenon simultaneously, guarantee the normal work of limiting component, prolong the service life of operation car, through the cooperation of bolt and screw hole, can shroud be fixed on wheel seat, ensure that during the operation car movement, shroud will not accidentally fall off, simultaneously, also be convenient for when needing to maintain or overhaul limiting component, quickly dismount shroud. BRIEF DESCRIPTION OF DRAWINGS

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

[0020] Figure 2 It is the three-dimensional appearance schematic view of the utility model's chassis;

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

[0022] Figure 4 It is the three-dimensional appearance schematic view of the utility model's handlebar.

[0023] In the drawing: 1, chassis; 2, front wheel; 3, steering assembly; 31, pivot; 32, wheel seat; 33, wheel shaft; 34, roller; 4, limiting component; 41, fixed plate; 42, square hole; 43, square column; 44, limiting plate; 45, clamping plate; 46, spring; 47, gear; 48, screw hole; 5, protection assembly; 51, shroud; 52, bolt; 6, handlebar; 61, sliding slot; 62, limiting ring; 63, connecting rod; 7, sliding block; 71, pull rod; 72, steel wire rope; 8, stand; 9, connecting block; 10, operation table. DETAILED DESCRIPTION

[0024] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the scope of the utility model protection.

[0025] The utility model provides two technical schemes:

[0026] Figures 1-4 The first embodiment is shown: a PICC catheterization operation vehicle with locking structure, including chassis 1, the position of the bottom rear of chassis 1 is symmetrically equipped with two locking mechanisms, each locking mechanism includes:

[0027] Steering assembly 3 is arranged at the bottom of chassis 1, and steering assembly 3 includes wheel seat 32, wheel shaft 33 is rotatably arranged in wheel seat 32, one end of wheel shaft 33 is movably penetrated through the inner wall of wheel seat 32 and extends to the outside;

[0028] Limiting assembly 4 is arranged outside steering assembly 3 and is used for locking steering assembly 3, limiting assembly 4 includes fixed plate 41 and gear 47, fixed plate 41 is installed on the outer surface of wheel seat 32, gear 47 is installed on the end of wheel shaft 33, screw holes 48 are symmetrically formed in the top of fixed plate 41, square holes 42 are formed through the top of fixed plate 41, limiting plate 44 is arranged on the top of fixed plate 41, square column 43 is fixedly connected to the bottom of limiting plate 44, square column 43 is slidably penetrated through the inside of square hole 42 and extends downward, clamping plate 45 is fixedly connected to the bottom of square column 43 and is clamped with gear 47, spring 46 is arranged on the outside of square column 43, and the top end and bottom end of spring 46 are fixedly connected with the bottom surface of fixed plate 41 and the top surface of clamping plate 45 respectively;

[0029] Protective assembly 5 is arranged outside limiting assembly 4 and is used for protecting limiting assembly 4.

[0030] By loosening pull rod 71, clamping plate 45 is pushed down and clamped with gear 47 under the restoring force of spring 46, so that the roller 34 in steering assembly 3 is automatically locked.

[0031] Front wheels 2 are symmetrically installed at the position close to the front side of the bottom of chassis 1, vertical columns 8 are symmetrically installed at the position close to the front side of the top of chassis 1, operating table 10 is fixedly connected between the top ends of the two vertical columns 8, two connecting blocks 9 are fixedly connected to the front surface of operating table 10, front wheels 2 cooperate with roller 34, which facilitates the movement of the operation vehicle between different positions, the instruments and medicines required for PICC catheterization are conveniently placed through operating table 10, and operating table 10 is fixed on handlebar 6 through connecting block 9, so as to provide effective support for operating table 10.

[0032] The outer wall of the wheel shaft 33 is fixedly sleeved with a roller 34, the roller 34 is arranged inside the wheel seat 32, the top of the wheel seat 32 is fixedly connected with a rotating shaft 31, the rotating shaft 31 is rotatably arranged at the rear position of the bottom of the chassis 1, the roller 34 can rotate freely through the rotating shaft 31, so that the operation vehicle can be flexibly turned.

[0033] A handle 6 is arranged at the rear position of the top of the chassis 1, the handle 6 is fixedly connected with the connecting block 9, the outer surface of the handle 6 is symmetrically provided with a sliding groove 61, the sliding grooves 61 are slidably provided with a sliding block 7, the sliding blocks 7 are fixedly connected with a pull rod 71, the outer wall of the pull rod 71 is fixedly connected with two steel wires 72, the bottom ends of the steel wires 72 are fixedly connected with the top surfaces of the two limiting plates 44, by pulling the pull rod 71 to move backward, the two steel wires 72 are moved, the limiting plate 44 is pulled to move upward, the square column 43 is slidably moved upward in the square hole 42, the clamping plate 45 at the bottom of the square column 43 is moved upward, the clamping plate 45 is separated from the gear 47, at this time, the limiting of the gear 47 is released, the roller 34 can normally rotate, and the operation vehicle can be pushed to move.

[0034] The outer surfaces of the steel wires 72 are sleeved with a plurality of limiting rings 62, the limiting rings 62 are fixedly connected with a connecting rod 63, the connecting rod 63 is fixedly connected with the outer surface of the handle 6, the movement track of the steel wires 72 can be effectively limited through the limiting rings 62.

[0035] Figures 1-4 The second embodiment is shown, and the main difference from the first embodiment is that the protection assembly 5 includes a protective cover 51, the outer surface of the protective cover 51 is attached to the outer surface of the wheel seat 32, the protective cover 51 is a hollow structure, the inner top surface of the protective cover 51 is attached to the top surface of the fixed plate 41, the top of the protective cover 51 is symmetrically provided with a bolt 52, the bolt 52 is movably penetrated through the top of the bolt 52 and cooperates with the threaded hole 48, through the protective cover 51, the limiting assembly 4 can be effectively protected from external collision, meanwhile, the winding phenomenon of the gear 47 and the ground sundries can be avoided, the normal work of the limiting assembly 4 is ensured, and the service life of the operation vehicle is prolonged, through the cooperation of the bolt 52 and the threaded hole 48, the protective cover 51 can be fixed on the wheel seat 32, it is ensured that the protective cover 51 will not be accidentally detached during the movement of the operation vehicle, meanwhile, it is also convenient to quickly detach the protective cover 51 when the limiting assembly 4 needs to be maintained or overhauled.

[0036] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.

[0037] When the operation vehicle needs to be moved, both hands are held on the handle 6 and the pull rod 71, and then the pull rod 71 is pulled back to move, so that the two steel wires 72 are moved, the steel wires 72 pull the limiting plate 44 to rise, so that the square column 43 slides and rises in the square hole 42, and the clamping plate 45 at the bottom of the square column 43 is lifted to separate the clamping plate 45 from the gear 47, at this time, the limiting of the gear 47 is released, the roller 34 can rotate normally, the operation vehicle can be pushed to move, when parking, only the pull rod 71 is loosened, under the action of the restoring force of the spring 46, the clamping plate 45 is pushed to descend and is clamped with the gear 47, so that the roller 34 in the steering assembly 3 is automatically locked, the accidental movement of the operation vehicle is prevented, the problem that the operation vehicle is moved accidentally due to the negligence of the medical staff who forgets to lock the wheels is solved.

[0038] It should be noted that the relational terms herein, such as first and second, are used solely to distinguish one from another entity or action, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0039] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A PICC catheterization operation vehicle with a locking structure, comprising a chassis (1), characterized in that: The bottom rear position of the chassis (1) is symmetrically provided with two locking mechanisms, each of which comprises: The steering assembly (3) is arranged at the bottom of the chassis (1), and the steering assembly (3) comprises a wheel seat (32), a wheel shaft (33) is rotatably arranged inside the wheel seat (32), one end of the wheel shaft (33) is movably penetrated through the inner wall of the wheel seat (32) and extends to the outside; The limiting assembly (4) is arranged outside the steering assembly (3) and is used for locking the steering assembly (3), the limiting assembly (4) comprises a fixed plate (41) and a gear (47), the fixed plate (41) is installed on the outer surface of the wheel seat (32), the gear (47) is installed on the end of the wheel shaft (33), the top of the fixed plate (41) is symmetrically provided with a threaded hole (48), the top of the fixed plate (41) is penetrated to form a square hole (42), the top of the fixed plate (41) is provided with a limiting plate (44), the bottom of the limiting plate (44) is fixedly connected with a square column (43), the square column (43) is movably penetrated through the inside of the square hole (42) and extends downward, the bottom of the square column (43) is fixedly connected with a clamping plate (45) which is clamped with the gear (47), the outside of the square column (43) is sleeved with a spring (46), the top end and the bottom end of the spring (46) are fixedly connected with the bottom surface of the fixed plate (41) and the top surface of the clamping plate (45) respectively. The protection assembly (5) is arranged outside the limiting assembly (4) and is used for protecting the limiting assembly (4).

2. The PICC catheterization cart with locking structure according to claim 1, characterized in that: The front wheels (2) are symmetrically installed on the bottom of the chassis (1) near the front side, the vertical columns (8) are symmetrically installed on the top of the chassis (1) near the front side, the top ends of the two vertical columns (8) are fixedly connected with an operation table (10), and the front surface of the operation table (10) is fixedly connected with two connecting blocks (9).

3. The PICC catheterization cart with locking structure according to claim 1, characterized in that: The outer wall of the wheel shaft (33) is fixedly sleeved with a roller (34), the roller (34) is arranged inside the wheel seat (32), the top of the wheel seat (32) is fixedly connected with a rotating shaft (31), and the rotating shaft (31) is rotatably installed at the bottom rear position of the chassis (1).

4. The PICC catheterization cart with locking structure according to claim 2, characterized in that: The handlebar (6) is installed at the top rear position of the chassis (1), the handlebar (6) is fixedly connected with the connecting block (9), the outer surface of the handlebar (6) is symmetrically provided with a sliding groove (61), the sliding grooves (61) are movably provided with sliding blocks (7), the sliding blocks (7) are fixedly connected with a pull rod (71), the outer wall of the pull rod (71) is fixedly connected with two steel wires (72), and the bottom ends of the steel wires (72) are fixedly connected with the top surfaces of the two limiting plates (44).

5. The PICC catheterization cart with locking structure according to claim 4, characterized in that: The outer surfaces of the steel wires (72) are sleeved with a plurality of limiting rings (62), the outer surfaces of the limiting rings (62) are fixedly connected with connecting rods (63), and the ends of the connecting rods (63) are fixedly connected with the outer surfaces of the handlebars (6).

6. The PICC catheterization cart with locking structure according to claim 1, characterized in that: The protection assembly (5) includes a cover (51), the outer surface of the cover (51) is attached to the outer surface of the wheel seat (32), the inside of the cover (51) is a cavity structure, the top surface of the cover (51) is attached to the top surface of the fixed plate (41), the top of the cover (51) is symmetrically provided with a bolt (52), the bolt (52) is movably penetrated through the top of the bolt (52) and cooperates with the threaded hole (48).

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