CN211243621U

CN211243621U - Intracardiac branch of academic or vocational study piercing depth

Info

Publication number: CN211243621U
Application number: CN201921669103.1U
Authority: CN
Inventors: 丁涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-08-14
Anticipated expiration: 2029-10-08

Abstract

The utility model discloses a intracardiac branch of academic or vocational study piercing depth, including sleeve and suction device, there is the inner tube through threaded connection in the sleeve, the inside lower extreme fixedly connected with roller bearing of inner tube, can dismantle in the roller bearing and be connected with the pjncture needle, telescopic lower terminal surface is provided with the supporting seat, one side fixedly connected with that the pjncture needle keeps away from the supporting seat has the rubber tube of control valve, rubber tube one side can be dismantled with suction device and be connected. The utility model discloses a set up in the inner tube with pjncture needle threaded connection's roller bearing to with inner tube threaded connection in the sleeve, drive the pjncture needle through rotatory inner tube and stably descend, guarantee accurate puncture depth with this, improve the puncture security, just the utility model discloses the device is dismantled and is assembled the convenience, easily changes each part.

Description

Intracardiac branch of academic or vocational study piercing depth

Technical Field

The utility model relates to the field of medical equipment, concretely relates to intracardiac branch of academic or vocational study piercing depth.

Background

Common medical equipment can be used for puncturing organs and tissues or injecting medicines, the treatment method of the pericardial effusion is to puncture the pericardium and extract the effusion by using a puncture needle, but when the pericardium is punctured by using the existing puncture needle, the puncture depth is often adjusted by directly pressing the puncture needle by manpower when the depth of the puncture needle in a patient body is adjusted, and due to the instability of the manpower, the puncture depth is unstable, the effect of extracting the whole effusion cannot be achieved by too short puncture, the patient is easily injured by too deep puncture, and the safety is lower.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a intracardiac branch of academic or vocational study piercing depth, just the utility model discloses the device is through setting up the roller bearing with pjncture needle threaded connection in the inner tube to with inner tube threaded connection in the sleeve, drive the stable decline of pjncture needle through rotatory inner tube, guarantee accurate puncture depth with this, improve the puncture security, just the utility model discloses the device is dismantled and is assembled conveniently, easily changes each part. The utility model discloses can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a intracardiac branch of academic or vocational study piercing depth, includes sleeve and suction device, there is the inner tube through threaded connection in the sleeve, the inside lower extreme fixedly connected with roller bearing of inner tube, can dismantle in the roller bearing and be connected with the pjncture needle, telescopic lower terminal surface is provided with the supporting seat, one side fixedly connected with that the supporting seat was kept away from to the pjncture needle has the rubber tube of control valve, rubber tube one side can be dismantled with suction device and be connected.

Furthermore, a baffle plate is arranged at the lower end inside the sleeve, a pin hole corresponding to the puncture needle is formed in the baffle plate, and the puncture needle has a guiding effect by the aid of the baffle plate and the pin hole, so that the puncture needle is not prone to deflection during working.

Furthermore, the rubber pad is arranged at the upper end, located on the baffle, of the sleeve, and the puncture needle penetrates through the rubber pad and then penetrates through the pin hole, so that the puncture needle is more stable in operation.

Furthermore, the roller bearing includes outer ring body, ball and interior ring member, outer ring body passes through ball and interior ring member swing joint, the inner wall of interior ring member is provided with the internal thread, be provided with the external screw thread corresponding with the internal thread on the pjncture needle, the pjncture needle passes through external screw thread and internal thread detachable connection, through setting up the internal thread on interior ring member, after pjncture needle one side passed interior ring member, with external screw thread and the internal thread threaded connection on the pjncture needle again, makes the pjncture needle can remove along with the inner tube removes.

Further, the suction device includes the cylinder, be provided with the piston in the cylinder, the piston one side of keeping away from of cylinder is provided with first connector, be provided with the second connector corresponding with first connector on the rubber tube, first connector passes through threaded connection with the second connector, connects threaded connection through first connector and second, when the suction device absorbs full album of liquid, can be through closing the control valve to connect first connector and second connector screw thread disconnection, reconnect empty suction device to this guarantees the continuous extraction to the hydrops.

The working principle is as follows: the puncture needle penetrates through the inner cylinder and a rolling shaft at the lower end of the inner cylinder, the puncture needle is in threaded connection with an internal thread of an inner ring body in the rolling shaft through an external thread, then the inner cylinder is in threaded connection with the sleeve, the rubber tube is in threaded connection with the liquid suction device, one side of the puncture needle penetrates through the outside of the sleeve at the moment, the other side of the puncture needle is connected with the liquid suction device through the rubber tube, and during puncture, the inner cylinder is rotated to enable the inner cylinder to spirally descend in the sleeve, and the puncture needle is driven to vertically; after the use is finished, the inner tube, the puncture needle and the liquid suction device are dismantled.

Has the advantages that: the inner cylinder is screwed to descend in the sleeve in a spiral mode, the descending height of the inner cylinder rotating for one circle is fixed, and medical personnel can calculate the descending depth of the puncture needle through the number of turns of the inner cylinder, so that the puncture needle cannot be too short or too long when the puncture depth is adjusted, and the safety of the puncture needle is improved; simultaneously the utility model discloses the device is the connection of dismantling, and the convenience is preserved when not using, perhaps changes.

Drawings

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

Fig. 2 is a schematic view of the connection structure of the sleeve, the inner tube and the puncture needle of the present invention.

Fig. 3 is a schematic view of the roller structure of the present invention.

Fig. 4 is a schematic view of the structure of the puncture needle of the present invention.

In the figure: 1, sleeving a sleeve; 2, supporting a seat; 3, inner cylinders; 4, puncture needles; 5 a control valve; 6, a rubber tube; 7 a second connector; 8, a needle cylinder; 9 a piston; 10 outer ring body; 11, a rubber pad; 12, a baffle plate; 13 pin holes; 14, an internal ring body; 15 balls; 16 external threads; 17 internal threads; 18 first connector.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, a intracardiac branch of academic or vocational study piercing depth, including sleeve 1 and imbibition device, there is inner tube 3 through threaded connection in the sleeve 1, the inside lower extreme fixedly connected with roller bearing of inner tube 3, can dismantle in the roller bearing and be connected with pjncture needle 4, the lower terminal surface of sleeve 1 is provided with supporting seat 2, one side fixedly connected with that pjncture needle 4 kept away from supporting seat 2 has the rubber tube 6 of control valve 5, 6 one side of rubber tube can dismantle with the imbibition device and be connected.

Wherein, the lower end of the interior of the sleeve 1 is provided with a baffle plate 12, and the baffle plate 12 is provided with a pin hole 13 corresponding to the puncture needle 4.

Wherein, the sleeve 1 is provided with a rubber pad 11 at the upper end of the baffle 12.

The roller comprises an outer ring body 10, a ball 15 and an inner ring body 14, wherein the outer ring body 10 is movably connected with the inner ring body 14 through the ball 15, an inner thread 17 is arranged on the inner wall of the inner ring body 14, an outer thread 16 corresponding to the inner thread 17 is arranged on the puncture needle 4, and the puncture needle 4 is detachably connected with the inner thread 17 through the outer thread 16.

The liquid suction device comprises a needle cylinder 8, a piston 9 is arranged in the needle cylinder 8, a first connector 18 is arranged on one side, away from the piston 9, of the needle cylinder 8, a second connector 7 corresponding to the first connector 18 is arranged on the rubber tube 6, and the first connector 18 is connected with the second connector 7 through threads.

Example (b): the puncture needle 4 penetrates through the inner cylinder 3 and a roller at the lower end of the inner cylinder 3, the puncture needle 4 is in threaded connection with an internal thread 17 of an inner ring body 14 in the roller through an external thread 16, then the inner cylinder 3 is in threaded connection with the sleeve 1, the rubber tube 6 is in threaded connection with the liquid suction device, one side of the puncture needle 4 penetrates through the outside of the sleeve 1 at the moment, the other side of the puncture needle is connected with the liquid suction device through the rubber tube 6, and during puncture, the inner cylinder 3 is made to descend spirally in the sleeve 1 by rotating the inner cylinder 3, and the puncture needle 4 is driven to move vertically to; after use, the inner tube 3, the puncture needle 4 and the liquid suction device can be removed.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a intracardiac branch of academic or vocational study piercing depth which characterized in that: including sleeve and suction device, there is the inner tube through threaded connection in the sleeve, the inside lower extreme fixedly connected with roller bearing of inner tube, can dismantle in the roller bearing and be connected with the pjncture needle, telescopic lower terminal surface is provided with the supporting seat, one side fixedly connected with that the pjncture needle kept away from the supporting seat has the rubber tube of control valve, rubber tube one side can be dismantled with suction device and be connected.

2. A cardiology puncturing device of claim 1, wherein: the lower end in the sleeve is provided with a baffle plate, and the baffle plate is provided with a pin hole corresponding to the puncture needle.

3. An intracardiac puncture device according to claim 1 or claim 2, characterized in that: the upper end of the sleeve, which is positioned on the baffle, is provided with a rubber pad.

4. A cardiology puncturing device of claim 1, wherein: the roller comprises an outer ring body, a ball and an inner ring body, the outer ring body is movably connected with the inner ring body through the ball, an inner thread is arranged on the inner wall of the inner ring body, an outer thread corresponding to the inner thread is arranged on the puncture needle, and the puncture needle is detachably connected with the inner thread through the outer thread.

5. A cardiology puncturing device of claim 1, wherein: the liquid suction device comprises a needle cylinder, a piston is arranged in the needle cylinder, a first connector is arranged on one side, away from the piston, of the needle cylinder, a second connector corresponding to the first connector is arranged on the rubber tube, and the first connector is connected with the second connector through threads.