CN216455229U - Auxiliary puncture device for cardiovascular internal medicine - Google Patents

Abstract

The utility model relates to the technical field of cardiovascular medicine, in particular to an auxiliary puncture device for cardiovascular medicine, which comprises two symmetrical fixing plates, wherein two arc-shaped rods are arranged on one side of each fixing plate. According to the utility model, the needle cylinder is sleeved in the rubber ring, the needle head is clamped by the elastic clamp, the U-shaped plate is abutted against the other end of the needle cylinder by the sliding slide plate, the screw is screwed in and abutted against the slide plate, then the positions of the two sliding blocks are adjusted, the two arc-shaped rods are bound on the body of a patient by the binding bands, the position of the circular ring is adjusted on the guide rod, the rotating arc plate is rotated to clamp the rubber block into the clamping groove, the gear drives the sliding plate to move towards the body of the patient, one end of the piston rod of the needle tube is held at the moment, the sliding plate drives the U-shaped plate to push the needle cylinder to move so that the needle head is sucked, and after the needle head is pulled away from the needle cylinder, the needle head is fixed by the elastic clamp, so that a novice doctor can hold the puncture angle and depth when puncturing is performed, and the pain of the patient is relieved when the guide wire is placed.

Description

Auxiliary puncture device for cardiovascular internal medicine

Technical Field

The utility model relates to the technical field of cardiovascular medicine, in particular to an auxiliary puncture device for cardiovascular medicine.

Background

When coronary angiography and radio frequency ablation are carried out, a catheter needs to be sent into a body through a blood vessel, at the moment, the blood vessel needs to be punctured for sending the catheter, a tunnel needle is used as a needle head part of a general puncture needle tube, a normal injector is used as a needle cylinder and a piston rod part, when puncture is carried out, the needle cylinder needs to be used for sucking while puncturing, blood return is extracted, then the needle cylinder is removed, a guide wire penetrates into the blood vessel through the interior of the tunnel needle, then the tunnel needle is removed, and then the insertion tube is placed into the blood vessel through the guide wire.

SUMMERY OF THE UTILITY MODEL

In order to overcome the technical problems, the utility model aims to provide an auxiliary puncturing device for cardiovascular internal medicine, a needle cylinder is sleeved inside a rubber ring, an elastic clamping clip clamps a needle head, a sliding plate enables a U-shaped plate to abut against the other end of the needle cylinder, a screw is screwed in to abut against the sliding plate, then the positions of two sliding blocks are adjusted, two arc-shaped rods are tied to the body of a patient through a binding band, the position of a ring is adjusted on a guide rod, a rotating arc plate is rotated to enable the rubber block to be clamped into a clamping groove, a gear is rubbed, the gear drives the sliding plate to move towards the body of the patient, one end of a piston rod of the needle cylinder is held at the moment, the sliding plate drives the U-shaped plate to push the needle cylinder to move to enable the needle head to suck, and after the needle cylinder is pulled out, the needle head is fixed by the elastic clamping clip, so that a novice can hold the puncturing angle and the depth when puncturing is carried out, and the pain of the patient is relieved when a guide wire is placed in.

The purpose of the utility model can be realized by the following technical scheme:

an auxiliary puncture device for cardiovascular internal medicine comprises two symmetrical fixing plates, wherein two arc-shaped rods are arranged on one side of each fixing plate, two ends of each arc-shaped rod are fixedly connected with one side of each fixing plate respectively, a binding belt is fixedly connected to the other side of each fixing plate, sliding blocks are sleeved on the outer side walls of the two arc-shaped rods in a sliding mode, an adjusting mechanism is arranged between the two sliding blocks, and a placing mechanism for placing a needle tube is arranged on the adjusting mechanism;

the adjusting mechanism comprises a guide rod, two ends of the guide rod are respectively and fixedly connected with one side of two sliding blocks, a circular ring is sleeved on the outer side wall of the guide rod in a sliding manner, an arc-shaped groove is formed in the outer side wall of the circular ring, one end of the arc-shaped groove is rotatably connected with a rotating arc plate, one end of the rotating arc plate is fixedly connected with a rubber block, the outer side wall of the circular ring is fixedly connected with a connecting plate, a placing mechanism is slidably connected with one side of the connecting plate, a needle tube is placed in the placing mechanism, the two sliding blocks are slid on the two arc-shaped rods to adjust the position, then a bandage is bound with the hand part or the leg part of a patient, the sliding block is abutted against the body of the patient so as to be difficult to slide, then the circular ring is slid on the guide rod to adjust the position, after the position is adjusted, the rotating arc plate is embedded in the arc-shaped groove, so that the rubber block is abutted against the outer side wall of the guide rod to fix the position of the circular ring, thereby enabling a novice to quickly and accurately adjust the position of the needle tube and improving the success rate of puncture.

Further, the method comprises the following steps: the guide bar is C type round bar-shaped structure, makes the ring slidable scope increase to make the ring can realize the multi-angle and adjust, and the guide bar tip cross-section is circular, makes the ring change and rotates on the guide bar in order to adjust the syringe angle.

Further, the method comprises the following steps: a plurality of draw-in grooves have evenly been seted up to the guide bar lateral wall, and the block rubber activity joint is inside adjacent draw-in groove, and when making the position of ring and guide bar fixed, the ring is inseparabler with the contact of guide bar to increase the steadiness of ring.

Further, the method comprises the following steps: the placing mechanism comprises a sliding plate, one side of the sliding plate is connected with one side of a connecting plate in a sliding manner, one side of the connecting plate is rotatably connected with a gear, a plurality of tooth sockets are formed in the opposite sides of the sliding plate, the gear is meshed with the adjacent tooth sockets, threaded holes are formed in two ends of the other side of the sliding plate, a rubber ring is screwed in one threaded hole, one end of the sliding plate is provided with a guide groove, the interior of the guide groove is communicated with the interior of the other threaded hole, a sliding plate is connected in a sliding manner in the guide groove, one end of the sliding plate is fixedly connected with a U-shaped plate, a screw is screwed in the other threaded hole, a needle tube consists of a needle head, a needle cylinder and a piston rod, the needle cylinder is partially sleeved with the rubber ring, then the rubber ring is screwed in one threaded hole, the needle cylinder is generally provided with two support plates at one end, in which the piston rod is plugged, and is generally buckled by fingers, so that another finger promotes the piston rod, the slide board makes the U template conflict two extension boards, make the cylinder wholly be located U template one side, make U template and rubber ring centre gripping cylinder, and the piston rod is located U template inside, the promotion end of piston rod is located U template opposite side, adjust the length of slide board, then screw in another screw hole with the screw, make the screw conflict slide board make it can not rotate, hold the promotion end of piston rod with one hand, then adjust the running gear, make the gear drive the sliding plate through the engaged tooth's socket and move, make the sliding plate drive slide board and cylinder removal, at this moment because two extension boards of U template block the cylinder, thereby make the cylinder remove and the piston rod does not move, thereby can suck simultaneously when the syringe needle pierces patient's health, and the user of service can accurately master the degree of depth of piercing.

Further, the method comprises the following steps: the gear is located the one corner department of connecting plate one side, makes the gear most expose in the outside of connecting plate, makes the friction gear that the user's finger can be more convenient.

Further, the method comprises the following steps: the utility model discloses a syringe needle, including sliding plate, elastic clamping, U-shaped board, sliding plate, elastic clamping, needle cylinder, U-shaped board, the sliding plate other end fixedly connected with L type pole, and L type pole forearm one end fixed connection has the elasticity clamping, and the elasticity clamping is for having certain elastic steel sheet preparation, be used for the joint syringe needle, can be through the position of elasticity clamping fixed syringe needle after getting off the syringe needle with the cylinder, be convenient for put into the seal wire, the inner wall of L type pole forearm one end and U-shaped board all has the certain distance apart from the lateral wall of sliding plate for there is the certain distance between the cylinder lateral wall and the sliding plate by elasticity clamping and U-shaped board centre gripping.

Further, the method comprises the following steps: the even fixedly connected with of elasticity clamping inside wall has a plurality of sand grips, and the joint of general syringe needle and cylinder has a plurality of protruding form edges and strips to be used for increasing finger friction more, makes the elasticity clamping can restrict the syringe needle and rotate in elasticity clamping inside through a plurality of sand grips.

Further, the method comprises the following steps: one side of the sliding plate adjacent to the other threaded hole is a frosted surface, so that the friction force between the screw and the sliding plate is increased, and the sliding plate is prevented from sliding after being abutted by the screw.

The utility model has the beneficial effects that:

by sleeving the syringe inside the rubber ring, then utilizing the elastic clamp fixing position for the needle, then sliding the sliding plate, making the U-shaped plate touch the other end of the syringe, then making the screw touch the sliding plate fixing the sliding plate position inside another screw hole of the screw, then sliding two sliding blocks to adjust the angle, then utilizing two bandages to tie two arc-shaped rods on the body of the patient, then sliding the ring on the guide rod and rotating the ring to adjust the angle of the needle, after adjusting, rotating the rotating arc plate to make the rubber block clamped into the fixed ring position inside the clamping groove, then rubbing the gear with the finger, the gear drives the sliding plate to move towards the body of the patient through the meshed tooth socket, at this moment, one end of the piston rod of the needle tube can be held by hand, when the sliding plate moves, the U-shaped plate will push the syringe to move to make the needle suck, and when the syringe is pulled away, the needle is fixed in position by the elastic clamp without moving, thereby being convenient for a novice doctor to hold the puncture angle and the puncture depth when puncturing, and relieving the pain of a patient when the guide wire is placed.

Drawings

The utility model will be further described with reference to the accompanying drawings.

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

FIG. 2 is a schematic view of the positional relationship of the adjustment mechanism and the placement mechanism of the present invention;

FIG. 3 is a schematic view of the adjusting mechanism of the present invention;

FIG. 4 is a cross-sectional view of the guide bar of the present invention;

FIG. 5 is a schematic view of the placement mechanism of the present invention;

FIG. 6 is an enlarged partial view of the utility model at A;

FIG. 7 is a schematic view of the construction of the sliding panel according to the present invention;

fig. 8 is a schematic structural view of the sliding plate in use according to the present invention.

In the figure: 100. a fixing plate; 110. an arcuate bar; 120. binding bands; 200. a slider; 300. an adjustment mechanism; 310. a guide rod; 311. a card slot; 320. a circular ring; 321. an arc-shaped slot; 330. rotating the arc plate; 331. a rubber block; 340. a connecting plate; 400. a placement mechanism; 410. a sliding plate; 411. a tooth socket; 412. a threaded hole; 413. a guide groove; 420. a gear; 430. a rubber ring; 440. a slide plate; 441. a U-shaped plate; 450. a screw; 460. an L-shaped rod; 470. an elastic clip; 471. and (4) raised strips.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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.

Referring to fig. 1-8, an auxiliary puncturing device for cardiovascular department comprises two symmetrical fixing plates 100, two arc-shaped rods 110 are arranged on one side of the two fixing plates 100, two ends of each arc-shaped rod 110 are respectively fixedly connected with one side of the two fixing plates 100, a binding band 120 is fixedly connected to the other side of each fixing plate 100, sliding blocks 200 are respectively sleeved on the outer side walls of the two arc-shaped rods 110 in a sliding manner, an adjusting mechanism 300 is arranged between the two sliding blocks 200, and a placing mechanism 400 for placing a needle tube is arranged on the adjusting mechanism 300;

the adjusting mechanism 300 comprises a guide rod 310, two ends of the guide rod 310 are respectively fixedly connected with one side of two sliding blocks 200, the outer side wall of the guide rod 310 is sleeved with a circular ring 320 in a sliding manner, the outer side wall of the circular ring 320 is provided with an arc-shaped groove 321, one end of the arc-shaped groove 321 is rotatably connected with a rotating arc plate 330, one end of the rotating arc plate 330 is fixedly connected with a rubber block 331, the outer side wall of the circular ring 320 is fixedly connected with a connecting plate 340, the placing mechanism 400 is slidably connected with one side of the connecting plate 340, a needle tube is placed in the placing mechanism 400, then the two sliding blocks 200 are slid on the two arc-shaped rods 110 to adjust the position, then the bandage 120 is bound with the hand or the leg of a patient, the sliding block 200 is abutted against the body of the patient so as to be difficult to slide, then the circular ring 320 is slid on the guide rod 310 to adjust the position, the rotating arc plate 330 is embedded in the arc-shaped groove 321 after the position is adjusted, so that the rubber block 331 is abutted against the outer side wall of the guide rod 310 to fix the circular ring 320, thereby enabling a novice to quickly and accurately adjust the position of the needle tube and improving the success rate of puncture.

The guide rod 310 is of a C-shaped round rod-shaped structure, so that the slidable range of the ring 320 is increased, the ring 320 can be adjusted at multiple angles, and the section of the end part of the guide rod 310 is round, so that the ring 320 can rotate on the guide rod 310 more easily to adjust the angle of the needle tube; a plurality of clamping grooves 311 are uniformly formed in the outer side wall of the guide rod 310, and the rubber blocks 331 are movably clamped in the adjacent clamping grooves 311, so that when the positions of the circular ring 320 and the guide rod 310 are fixed, the circular ring 320 is in closer contact with the guide rod 310, and the stability of the circular ring 320 is improved; the placing mechanism 400 comprises a sliding plate 410, one side of the sliding plate 410 is slidably connected with one side of a connecting plate 340, one side of the connecting plate 340 is rotatably connected with a gear 420, two opposite sides of the sliding plate 410 are respectively provided with a plurality of tooth sockets 411, the gear 420 is meshed with the adjacent tooth sockets 411, two ends of the other side of the sliding plate 410 are respectively provided with a threaded hole 412, a rubber ring 430 is screwed and connected inside one threaded hole 412, one end of the sliding plate 410 is provided with a guide groove 413, the inside of the guide groove 413 is communicated with the inside of the other threaded hole 412, a sliding plate 440 is slidably connected inside the guide groove 413, one end of the sliding plate 440 is fixedly connected with a U-shaped plate 441, a screw 450 is screwed and connected inside the other threaded hole 412, a needle tube is composed of a needle head, a needle cylinder and a piston rod, the needle cylinder is partially sleeved with the rubber ring 430, then the rubber ring 430 is screwed and connected inside one threaded hole 412, and the needle cylinder is generally provided with two support plates at one end, in which the piston rod is plugged, generally, the piston rod is buckled by a finger so that the piston rod is pushed by the other finger, the sliding plate 440 makes the U-shaped plate 441 touch the two support plates, the syringe is entirely positioned on one side of the U-shaped plate 441, the syringe is clamped by the U-shaped plate 441 and the rubber ring 430, the piston rod is positioned inside the U-shaped plate 441, the pushing end of the piston rod is positioned on the other side of the U-shaped plate 441, the length of the sliding plate 440 is adjusted, then the screw 450 is screwed into the other threaded hole 412, the screw 450 touches the sliding plate 440 to be incapable of rotating, the pushing end of the piston rod is held by one hand, then the rotating gear 420 is adjusted, the gear 420 drives the sliding plate 410 to move through the meshed tooth socket 411, the sliding plate 410 drives the sliding plate 440 and the syringe to move, at the moment, the syringe is blocked by the two support plates of the U-shaped plate 441, the piston rod is not moved, so that the suction can be simultaneously performed when the syringe penetrates into the body of a patient, and the user can precisely grasp the depth of penetration.

The gear 420 is positioned at one corner of one side of the connecting plate 340, so that most of the gear 420 is exposed outside the connecting plate 340, and the fingers of a user can more conveniently rub the gear 420; the other end of the sliding plate 410 is fixedly connected with an L-shaped rod 460, one end of a short arm of the L-shaped rod 460 is fixedly connected with an elastic clamp 470, the elastic clamp 470 is made of a steel sheet with certain elasticity and used for clamping a needle head, the position of the needle head can be fixed through the elastic clamp 470 after the needle head of the needle cylinder is removed, a guide wire is convenient to put in, and a certain distance is reserved between one end of the short arm of the L-shaped rod 460 and the inner wall of the U-shaped plate 441 and the side wall of the sliding plate 410, so that a certain distance is reserved between the outer side wall of the needle cylinder clamped by the elastic clamp 470 and the U-shaped plate 441 and the sliding plate 410; the inner side wall of the elastic clamp 470 is uniformly and fixedly connected with a plurality of convex strips 471, a plurality of convex ribs are arranged at a joint of a common needle head and a syringe for increasing the friction force of fingers, and the elastic clamp 470 can limit the needle head to rotate in the elastic clamp 470 through the plurality of convex strips 471; the side of the sliding plate 440 adjacent to the other threaded hole 412 is a frosted surface, so that the friction between the screw 450 and the sliding plate 440 is increased, and the sliding plate 440 is prevented from sliding after being abutted by the screw 450.

The working principle is as follows: when the syringe is used, the syringe is firstly plugged into the rubber ring 430, the rubber ring 430 is screwed into one threaded hole 412, the sliding plate 440 is then slid, the U-shaped plate 441 at one end of the sliding plate 440 is abutted against the two support plates at the end part of the syringe, the sliding plate 440 pushes the syringe to move, the needle is embedded into the elastic clamp 470, the U-shaped plate 441 and the elastic clamp 470 clamp the syringe, the syringe 430 is pulled to deform the syringe due to the small caliber, the syringe 430 is pulled to be bound on the sliding plate 410, the screw 450 is screwed into the other threaded hole 412 at the space between the syringe and the sliding plate 410 to fix the position of the sliding plate 440, the syringe is embedded between the U-shaped plate 441 and the elastic clamp 470, the needle is automatically plugged into the elastic clamp 470 from the elastic clamp 470, and then the piston rod is notched;

before puncture is carried out, the positions of the two sliding blocks 200 on the two arc-shaped rods 110 are adjusted, then the two arc-shaped rods 110 are bound on the body parts of the arms and the like of a patient by using the binding bands 120, then the circular ring 320 is slid on the guide rod 310, the circular ring 320 is simultaneously rotated to adjust the position of a needle head, and after adjustment is finished, the rotating arc plate 330 is rotated, so that the rubber blocks 331 on the rotating arc plate 330 are clamped into the adjacent clamping grooves 311 to fix the positions of the circular rings 320;

when puncture is carried out, one end of a piston rod on the needle cylinder can be held by a hand, then the gear 420 is twisted, the gear 420 is twisted to move the sliding plate 410 towards the body of a patient through the tooth grooves 411, then the sliding plate 410 drives the U-shaped plate 441 and the elastic clamp 470 to synchronously move when moving, so that the needle cylinder clamped by the U-shaped plate 441 and the elastic clamp 470 integrally moves, and partial suction is carried out on blood in the blood vessel of the patient along with negative pressure in the needle cylinder when the needle head moves along with the needle cylinder because one end of the piston rod is fixed;

after the puncture is finished, when the guide wire needs to be put in, the screw 450 is screwed out of the other threaded hole 412 from the space between the needle cylinder and the sliding plate 410, then the sliding plate 440 is slid, the U-shaped plate 441 is separated from the contact with the needle cylinder, the needle cylinder is taken down, the guide wire is sent into the blood vessel through the needle head, and then when the needle head needs to be taken down, the needle head only needs to be pulled out along the elastic clamp 470.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the utility model to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the utility model as defined in the following claims.

Claims (8)

1. The auxiliary puncture device for the cardiovascular department comprises two symmetrical fixing plates (100), and is characterized in that two arc-shaped rods (110) are arranged on one side of each fixing plate (100), two ends of each arc-shaped rod (110) are fixedly connected with one side of each fixing plate (100), a binding band (120) is fixedly connected to the other side of each fixing plate (100), sliding blocks (200) are sleeved on the outer side walls of the two arc-shaped rods (110) in a sliding mode, an adjusting mechanism (300) is arranged between the two sliding blocks (200), and a placing mechanism (400) for placing a needle tube is arranged on each adjusting mechanism (300);

adjustment mechanism (300) include guide bar (310), guide bar (310) both ends respectively with two sliding blocks (200) one side fixed connection, and guide bar (310) lateral wall slip cup joints ring (320), arc wall (321) have been seted up to ring (320) lateral wall, and arc wall (321) one end rotates and is connected with rotation arc board (330), rotation arc board (330) one end fixedly connected with rubber piece (331), ring (320) lateral wall fixedly connected with connecting plate (340), and place mechanism (400) and connecting plate (340) one side sliding connection.

2. A cardiovascular auxiliary puncture device according to claim 1, wherein the guide rod (310) is a C-shaped round rod-shaped structure.

3. The auxiliary puncturing device for the cardiovascular department according to claim 2, wherein a plurality of clamping grooves (311) are uniformly formed in the outer side wall of the guide rod (310), and the rubber block (331) is movably clamped in the adjacent clamping grooves (311).

4. The auxiliary puncturing device for the cardiovascular department according to claim 1, wherein the placing mechanism (400) comprises a sliding plate (410), one side of the sliding plate (410) is slidably connected with one side of the connecting plate (340), one side of the connecting plate (340) is rotatably connected with a gear (420), two opposite sides of the sliding plate (410) are respectively provided with a plurality of tooth sockets (411), the gear (420) is meshed with the adjacent tooth sockets (411), two ends of the other side of the sliding plate (410) are respectively provided with a threaded hole (412), a rubber ring (430) is screwed and connected inside one threaded hole (412), one end of the sliding plate (410) is provided with a guide groove (413), the inside of the guide groove (413) is communicated with the inside of the other threaded hole (412), the inside of the guide groove (413) is slidably connected with a sliding plate (440), and one end of the sliding plate (440) is fixedly connected with a U-shaped plate (441), a screw (450) is screwed in the other threaded hole (412).

5. A cardiovascular auxiliary puncture device according to claim 4, wherein the gear (420) is located at a corner of one side of the connecting plate (340).

6. A cardiovascular auxiliary puncture device according to claim 4, wherein the other end of the sliding plate (410) is fixedly connected with an L-shaped rod (460), and one end of the short arm of the L-shaped rod (460) is fixedly connected with an elastic clip (470).

7. The auxiliary puncturing device for the cardiovascular department according to claim 6, wherein a plurality of convex strips (471) are uniformly and fixedly connected to the inner side wall of the elastic clip (470).

8. A cardiovascular auxiliary puncture device according to claim 4, wherein the side of the sliding plate (440) adjacent to the other threaded hole (412) is frosted.

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