CN214157460U

CN214157460U - Puncture device for cardiology

Info

Publication number: CN214157460U
Application number: CN202020702458.2U
Authority: CN
Inventors: 华宁; 林乐健; 邸春霞; 朱海龙; 涂芸芳
Original assignee: 8th Medical Center of PLA General Hospital
Current assignee: 8th Medical Center of PLA General Hospital
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-09-10
Anticipated expiration: 2030-04-30

Abstract

The embodiment of the application discloses piercing depth for intracardiac branch of academic or vocational study, including the cylinder, the inner chamber swing joint of cylinder has the push rod, the bottom fixedly connected with pjncture needle of cylinder, one side on the surface of cylinder is equipped with the scale mark, one side fixedly connected with stay tube of cylinder bottom, the one end of stay tube extends to the inner chamber of cylinder. The application provides a pair of piercing depth for intracardiac branch of academic or vocational study, through the inside setting of connecting pipe, the rotation of connecting pipe drives the bracing piece and rotates, the rotation of bracing piece drives the fixed cover rotation of looks fixed connection with it, the rotation of fixed cover drives the carriage release lever and can reciprocates, when the carriage release lever moves down, the elastic metal otter board is removed to the outside of pjncture needle, the bottom of elastic metal otter board is opened under the effect of spring, the cooperation of a plurality of elastic metal otter boards is used, make the skin around the pjncture needle point strut, prevent that the needle point of pjncture needle from stabbing skin around it, bring the misery for the patient.

Description

Puncture device for cardiology

Technical Field

The application relates to the field of medical equipment, in particular to a puncture device for cardiology.

Background

Puncture is a common medical operation term, and is a diagnosis and treatment technology for puncturing a puncture needle into a body cavity to extract secretion for testing, injecting gas or contrast medium into the body cavity to perform contrast examination, or injecting medicine into the body cavity, and the purpose of puncture is blood extraction for testing, blood transfusion, fluid infusion, catheterization for angiography and the like.

When the existing puncture device is used, the needle head of the puncture needle is relatively sharp, and the puncture needle is easy to stab the skin around the needle point when liquid in a patient body is extracted, so that the influence is brought to the patient.

SUMMERY OF THE UTILITY MODEL

In view of above-mentioned problem, this application has provided a piercing depth for intracardiac branch of academic or vocational study, including the cylinder, the inner chamber swing joint of cylinder has the push rod, the bottom fixedly connected with pjncture needle of cylinder, one side on the surface of cylinder is equipped with the scale mark, one side fixedly connected with stay tube of cylinder bottom, the one end of stay tube extends to the inner chamber of cylinder, the other end of stay tube is located the outside of cylinder, the other end fixedly connected with plastic pipe of stay tube, the other end fixedly connected with of plastic pipe connects, the bottom swing joint of cylinder has the connecting pipe.

Preferably, the outer side of the supporting tube is movably connected with a ball valve, one side of the bottom end of the needle cylinder is fixedly connected with a motor, the tail end of an output shaft of the motor is fixedly connected with a valve rod on the ball valve, and the top of the push rod is provided with a motor starting controller.

Preferably, one side of the connecting pipe is clamped with a fixing rod, and the other end of the fixing rod is fixedly connected with a ball.

Preferably, one side fixedly connected with bracing piece of connecting tube inner wall, the other end fixedly connected with fixed cover of bracing piece, the inboard threaded connection of fixed cover has the carriage release lever, the top of carriage release lever outer lane is equipped with the external screw thread with fixed cover looks adaptation.

Preferably, the other end of the moving rod extends to the bottom end of the puncture needle, the moving rod is movably connected with the inner cavity of the puncture needle, an elastic metal mesh plate is uniformly and fixedly connected with the outer ring of the bottom end of the moving rod, a spring is uniformly and fixedly connected with the outer ring of the bottom end of the moving rod, the other end of the spring is fixedly connected with the inner side bottom end of the elastic metal mesh plate, and the elastic metal mesh plate is movably connected with the inner cavity bottom end of the puncture needle.

The application provides a pair of piercing depth for intracardiac branch of academic or vocational study, through the inside setting of connecting pipe, the rotation of connecting pipe drives the bracing piece and rotates, the rotation of bracing piece drives the fixed cover rotation of looks fixed connection with it, the rotation of fixed cover drives the carriage release lever and can reciprocates, when the carriage release lever moves down, the elastic metal otter board is removed to the outside of pjncture needle, the bottom of elastic metal otter board is opened under the effect of spring, the cooperation of a plurality of elastic metal otter boards is used, make the skin around the pjncture needle point strut, prevent that the needle point of pjncture needle from stabbing skin around it, bring the misery for the patient.

The utility model provides a pair of piercing depth for intracardiac branch of academic or vocational study, setting through the joint, the plastic pipe can with other pipeline fixed connection, be convenient for discharge unnecessary liquid in the cylinder, the load capacity of cylinder has been increased, it uses this piercing depth to extract the internal liquid of patient to be convenient for medical personnel, medical personnel's work efficiency has been improved, medical personnel need not change piercing depth, can be once only to the internal liquid extraction that needs the extraction of patient clean or to the liquid medicine injection patient internal, the misery that the patient changed piercing depth has been alleviateed, medical personnel's work efficiency has been improved

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic front view of the novel structure;

FIG. 2 is a schematic view of the inside of the connecting pipe of the novel structure;

FIG. 3 is a schematic view of the elastic metal mesh plate with the novel structure.

In the figure: 1. a needle cylinder; 2. scale lines; 3. a push rod; 4. a connecting pipe; 5. puncturing needle; 6. fixing the rod; 7. supporting a tube; 8. a ball valve; 9. a motor; 10. plastic pipes; 11. a travel bar; 12. an elastic metal mesh plate; 13. a spring; 14. a support bar; 15. and (4) fixing sleeves.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.

Referring to fig. 1-3, a puncturing device for cardiology department comprises a needle cylinder 1, a push rod 3 movably connected to an inner cavity of the needle cylinder 1, through the push rod 3, the liquid in the needle cylinder 1 can be inputted into the body of a patient or the liquid in the body of the patient can be extracted, a puncture needle 5 is fixedly connected to the bottom of the needle cylinder 1, a scale mark 2 is arranged on one side of the surface of the needle cylinder 1, through the arrangement of the scale mark 2, the user can conveniently observe the content of the liquid in the needle cylinder 1, a support tube 7 is fixedly connected to one side of the bottom end of the needle cylinder 1, one end of the support tube 7 extends to the inner cavity of the needle cylinder 1, the other end of the support tube 7 is located at the outer side of the needle cylinder 1, a plastic tube 10 is fixedly connected to the other end of the support tube 7, a joint is fixedly connected to the other end of the plastic tube 10, through the arrangement of the joint, the plastic tube 10 can be fixedly connected to other tubes, so as to conveniently discharge the redundant liquid in the needle cylinder 1, the loading capacity of the needle cylinder 1 is increased, medical personnel can conveniently extract the internal liquid of the patient by using the puncture device, the work efficiency of the medical personnel is improved, the puncture device does not need to be replaced by the medical personnel, the internal liquid needing to be extracted by the patient can be extracted cleanly or the liquid medicine is injected into the patient, the pain of the patient for replacing the puncture device is reduced, the work efficiency of the medical personnel is improved, and the bottom end of the needle cylinder 1 is movably connected with the connecting pipe 4.

Wherein, the outside swing joint of stay tube 7 has ball valve 8, one side fixedly connected with motor 9 of 1 bottom of cylinder, valve rod fixed connection on motor 9's the output shaft end and the ball valve 8, the top of push rod 3 is equipped with motor start control ware, setting through motor 9, medical personnel press down motor start control ware, the circuit switch-on at motor 9 place, motor 9 work, motor 9's rotation drives the valve rod rotation of looks fixed connection with it, the valve rod drives ball valve 8 and rotates, opening and shutting of stay tube 7 can be controlled in ball valve 8's rotation, when stay tube 7 was opened, be convenient for the liquid discharge in the cylinder 1, or inject external liquid into cylinder 1.

Wherein, one side joint of connecting pipe 4 has dead lever 6, and the other end fixedly connected with ball of dead lever 6 is through the setting of dead lever 6, is convenient for control connecting pipe 4's rotation.

Wherein, one side of the inner wall of the connecting pipe 4 is fixedly connected with a supporting rod 14, the other end of the supporting rod 14 is fixedly connected with a fixed sleeve 15, the inner side of the fixed sleeve 15 is in threaded connection with a moving rod 11, the top end of the outer ring of the moving rod 11 is provided with an external thread matched with the fixed sleeve 15, through the arrangement inside the connecting pipe 4, the rotation of the connecting pipe 4 drives the supporting rod 14 to rotate, the rotation of the supporting rod 14 drives the fixed sleeve 15 fixedly connected with the supporting rod to rotate, the rotation of the fixed sleeve 15 drives the movable rod 11 to move up and down, when the movable rod 11 moves downwards, the elastic metal mesh plate 12 is moved to the outside of the puncture needle 5, the bottom end of the elastic metal mesh plate 12 is opened under the action of the spring 13, and the skin around the needle point of the puncture needle 5 is spread by matching the elastic metal mesh plates 12, so that the needle point of the puncture needle 5 is prevented from stabbing the skin around the needle point, and pain is brought to a patient.

Wherein, the other end of carriage release lever 11 extends to the bottom of pjncture needle 5, carriage release lever 11 and the inner chamber swing joint of pjncture needle 5, the even fixedly connected with elastic metal otter board 12 in outer lane of carriage release lever 11 bottom, the even fixedly connected with spring 13 in outer lane of carriage release lever 11 bottom, the other end and the inboard bottom fixed connection of elastic metal otter board 12 of spring 13, elastic metal otter board 12 and the bottom swing joint of the 5 inner chambers of pjncture needle, through the setting of elastic metal otter board 12, be convenient for pjncture needle 5 to extract the internal liquid of patient.

To sum up, when in use, when external medicine needs to be injected into the body of a patient, if the bearing capacity of the needle cylinder 1 is smaller than the amount of the medicine to be injected, the rest of the medicine liquid to be injected is placed into the medicine bearing device, the connector is fixedly connected with the medicine bearing device, air in the puncture device is discharged, the puncture device is stretched into a proper position in the body of the patient, the medicine in the medicine bearing device is injected into the needle cylinder 1, the pressure of the medicine liquid is increased due to the increase of the medicine liquid in the needle cylinder 1, the medicine liquid is injected into the body of the patient under the action of the pressure, after the medicine liquid in the medicine bearing device is completely discharged, a medical worker presses the motor start controller downwards, a circuit where the motor 9 is located is connected, the motor 9 works, the rotation of the motor 9 drives the valve rod fixedly connected with the valve rod to rotate, the valve rod drives the ball valve 8 to rotate, and the rotation of the ball valve 8 enables the supporting tube 7 to be in an open state, the medical staff pushes the push rod 3 downwards, the push rod 3 injects the liquid in the needle cylinder 1 into the body of the patient, the injection of the medicine is completed, if the liquid in the body of the patient needs to be pumped out, if the liquid quantity needing to be pumped out is larger than the volume of the needle cylinder 1, the joint is fixedly connected with other liquid storage devices, the ball valve 8 is rotated to enable the support tube 7 to be in an open state, the air in the puncture device is exhausted, the puncture device extends into the body of the patient, the push rod 3 is pulled outwards, the liquid near the needle point of the puncture needle 5 is sucked into the puncture device, the redundant liquid enters other liquid storage devices along the plastic tube 10, the liquid in the body of the patient is extracted at one time, the arrangement of the device enables the medical staff not to need to replace the puncture device, the liquid needing to be extracted in the body of the patient can be extracted completely or the liquid medicine can be injected into the body of the patient at one time, the pain of the patient in replacing the puncture device is relieved, the work efficiency of medical personnel is improved, when this piercing depth stretched into the internal suitable position department of patient, the dead lever 6 rotates, dead lever 6 drives connecting pipe 4 and rotates, connecting pipe 4 drives bracing piece 14 and rotates, the rotation of bracing piece 14 drives the fixed cover 15 rotation of looks fixed connection with it, the rotation of fixed cover 15 drives movable rod 11 downstream, elastic metal otter board 12 is removed to the outside of pjncture needle 5, the bottom of elastic metal otter board 12 is opened under the effect of spring 13, the cooperation of a plurality of elastic metal otter boards 12 is used, make the skin around the pjncture needle 5 needle point strutted, prevent that the needle point of pjncture needle 5 from stabbing the skin around it, bring the misery for the patient, reverse rotation dead lever 6, movable rod 11 rebound, elastic metal otter board 12 moves to the inside of pjncture needle, be convenient for taking out of this piercing depth.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not necessarily depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims

1. The utility model provides a puncture device for the department of cardiology, includes cylinder (1), its characterized in that, the inner chamber swing joint of cylinder (1) has push rod (3), the bottom fixedly connected with pjncture needle (5) of cylinder (1), one side on the surface of cylinder (1) is equipped with scale mark (2), one side fixedly connected with stay tube (7) of cylinder (1) bottom, the one end of stay tube (7) extends to the inner chamber of cylinder (1), the other end of stay tube (7) is located the outside of cylinder (1), the other end fixedly connected with plastic pipe (10) of stay tube (7), the other end fixedly connected with of plastic pipe (10) connects, the bottom swing joint of cylinder (1) has connecting pipe (4), one side fixedly connected with bracing piece (14) of connecting pipe (4) inner wall, the other end fixedly connected with fixed cover (15) of bracing piece (14), the inboard threaded connection of fixed cover (15) has carriage release lever (11), the top of carriage release lever (11) outer lane is equipped with the external screw thread with fixed cover (15) looks adaptation, the other end of carriage release lever (11) extends to the bottom of pjncture needle (5), the inner chamber swing joint of carriage release lever (11) and pjncture needle (5), the even fixedly connected with elastic metal otter board (12) of outer lane of carriage release lever (11) bottom, the even fixedly connected with spring (13) in outer lane of carriage release lever (11) bottom, the other end and the inboard bottom fixed connection of elastic metal otter board (12) of spring (13), the bottom swing joint of elastic metal otter board (12) and pjncture needle (5) inner chamber.

2. The puncture device for the cardiology department according to claim 1, wherein a ball valve (8) is movably connected to an outer side of the support tube (7), a motor (9) is fixedly connected to one side of a bottom end of the needle cylinder (1), a terminal of an output shaft of the motor (9) is fixedly connected to a valve rod on the ball valve (8), and a motor start controller is arranged at a top of the push rod (3).

3. The intracardiac puncture device according to claim 1, wherein a fixing rod (6) is fastened to one side of the connecting tube (4), and a round ball is fixedly connected to the other end of the fixing rod (6).