CN215308855U

CN215308855U - Syringe type negative pressure drainage device

Info

Publication number: CN215308855U
Application number: CN202121278914.6U
Authority: CN
Inventors: 赵培贝
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-12-28
Anticipated expiration: 2031-06-07

Abstract

A syringe type negative pressure drainage device effectively solves the problem that the prior device can not stably drain the patient; the device comprises a drainage cylinder which is axial up and down, wherein a connecting pipe is coaxially arranged at the upper end of the drainage cylinder, the left side and the right side of the upper end of the drainage cylinder are respectively connected with a semi-elliptical clamp plate which is not contacted with the connecting pipe in a sliding manner, the upper end of the drainage cylinder is coaxially and rotatably connected with a rotating cover, the left side and the right side in the rotating cover are respectively provided with a convex block which is contacted with the clamp plate at the corresponding side, a sucking disc is coaxially and slidably connected in the drainage cylinder, the lower end of the sucking disc is provided with a movable rod which can move up and down, the drainage cylinder is provided with a fixed seat, and the left side and the right side of the fixed seat are respectively provided with a fixed belt; the utility model has novel conception, ingenious structure, convenient use and strong practicability.

Description

Syringe type negative pressure drainage device

Technical Field

The utility model relates to the technical field of medical auxiliary instruments, in particular to an injector type negative pressure drainage device.

Background

After carrying out surgery, for preventing patient's wound hydrops, often can communicate with each other with the external world for it keeps somewhere the drainage tube in vivo, can connect negative pressure device so that attract hematocele hydrops and record its outflow at the end of drainage tube, the negative pressure device volume of using clinically is bulky big. At the end of drainage, the amount of drainage liquid tends to become scarce, and at this time, a clinical nurse tends to use a syringe connected to the end of the drainage tube as a negative pressure drainage device.

The nurse often needs to be fixed in the piston epaxial with the needle cap manually, just can guarantee the fixed non-landing of piston axle in order to keep the negative pressure in the cylinder, and on last need being fixed in patient's health with the adhesive tape is manual, very big consumption nurse's operating time like this, also very consume medical equipment, and it is fixed insecure very easily causes the drainage liquid backward flow in the needle cap landing messenger cylinder to go into in patient's the wound, cause the risk of patient wound infection and the long-time fixed region on patient's body to paste and change the sticky tape and can cause the injury to patient's skin.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model aims to provide a syringe type negative pressure drainage device, which effectively solves the problem that the existing device can not drain the patient stably.

According to the technical scheme, the upper end of the drainage cylinder is coaxially provided with a connecting pipe, the left side and the right side of the upper end of the drainage cylinder are respectively connected with a semi-elliptical clamp plate which is not in contact with the connecting pipe in a sliding mode, the upper end of the drainage cylinder is coaxially and rotatably connected with a rotating cover, the left side and the right side of the rotating cover are respectively provided with a convex block which can be in contact with the clamp plate on the corresponding side of the rotating cover, the inside of the drainage cylinder is coaxially and slidably connected with a sucker, the lower end of the sucker is provided with a movable rod which can move up and down, the drainage cylinder is provided with a fixed seat, and the left side and the right side of the fixed seat are respectively provided with a fixed belt.

The drainage device is ingenious in structure and convenient to use, the connecting pipe is inserted into the drainage pipe, the rotating cover is rotated, the connecting part of the connecting pipe and the drainage pipe can be clamped, the female magic tape and the male magic tape are bonded, the drainage device is fixed on the body of a patient, the moving rod is pulled downwards, drainage on the patient can be completed, and the practicability of the drainage device is improved.

Drawings

Fig. 1 is an isometric view of the present invention.

FIG. 2 is a front elevational perspective view, in full section, of the present invention.

FIG. 3 is a top isometric view in full section of the present invention.

Fig. 4 is an enlarged view of a in fig. 2 of the present invention.

Fig. 5 is an enlarged view of B of fig. 3 according to the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

By figure 1 to 5 and give, axial drainage section of thick bamboo 1 about including, 1 upper end coaxial connecting pipe 2 that is equipped with of drainage section of thick bamboo, 1 upper end left and right sides of drainage section of thick bamboo sliding connection respectively has semiellipse shape and not with the splint 3 of connecting pipe 2 contact, 1 upper end coaxial rotation of drainage section of thick bamboo is connected with changes lid 4, change in the lid 4 left and right sides and be equipped with respectively can correspond the lug 5 of the splint 3 contact of side rather than, coaxial sliding connection has sucking disc 6 in the drainage section of thick bamboo 1, 6 lower extremes of sucking disc are equipped with the carriage release lever 7 that can reciprocate, be equipped with fixing base 8 on the drainage section of thick bamboo 1, the 8 left and right sides of fixing base is equipped with fixed band 9 respectively.

In order to enable the movable rod 7 to move up and down, the lower end of the movable rod 7 penetrates through the drainage tube 1 and is connected with the drainage tube 1 in a sliding mode.

In order to carry out spacingly to the removal of

carriage release lever

7, 7 left sides of carriage release lever seted up a plurality of spacing grooves along upper and lower direction equipartition, 1 left side sliding connection of drainage tube has gag lever post 10 that can insert the spacing inslot, is equipped with first spring between gag lever post 10 left end and the drainage tube 1.

In order to limit the rotation of the rotating cover 4, a ratchet wheel 11 is coaxially arranged on the inner side of the rotating cover 4, and a pawl 12 capable of being meshed with the ratchet wheel 11 is arranged on the drainage tube 1.

In order to facilitate the release of the limit of the pawl 12, the rotating cover 4 is coaxially provided with an arc-shaped abdicating groove 14, and the pawl 12 is provided with a rocker 13 of which the upper end extends out of the abdicating groove 14.

In order to facilitate the resetting of the clamping plates 3, the back ends of the two clamping plates 3 are respectively connected with the drainage cylinder 1 through a second spring.

In order to carry out better fixed to this device, the fixed band 9 surface on right side be equipped with the female subsides of magic, the 9 internal surfaces of left fixed band be equipped with can with the female adhesive magic subsides of magic.

When the drainage device is used, the outer diameter of the connecting pipe 2 is slightly smaller than the inner diameter of the drainage pipe, the connecting part of the connecting pipe 2 and the drainage pipe can be completely extruded under the extrusion of the clamping plate 3, so that the connecting part of the connecting pipe 2 and the drainage pipe is airtight, when a patient needs to be drained, the rocker 13 is rotated, the rocker 13 drives the pawl 12 to rotate, the pawl 12 is not meshed with the ratchet wheel 11 any more, the rotating cover 4 is rotated at the moment, the rotating cover 4 drives the ratchet wheel 11 to rotate, the rotating cover 4 drives the lug 5 to rotate, the clamping plate 3 is not extruded any more, and under the action of the second spring, the two clamping plates 3 move back and forth and are far away from the connecting pipe 2;

at the moment, the connecting pipe 2 is connected with the tail end of the drainage pipe, the connecting pipe 2 is inserted into the drainage pipe, the rocker 13 is loosened, the rotating cover 4 is rotated, the rotating cover 4 drives the ratchet wheel 11 and the lug 5 to rotate, the lug 5 is in contact with the clamping plate 3, the rotating cover 4 is continuously rotated, the ratchet wheel 11 is meshed with the pawl 12 in the process, the lug 5 and the ratchet wheel 11 continue to rotate, the two lugs 5 respectively push the clamping plate 3 on the corresponding side to move inwards, the second spring is compressed at the moment, the rotating cover 4 continues to rotate, the lug 5 continues to push the clamping plate 3 to move inwards, when the lug 5 moves the clamping plate 3 inwards to a limit position, the clamping plate 3 clamps the drainage pipe and the connecting pipe 2, at the moment, the rotating cover does not rotate in the opposite direction under the action of the ratchet wheel 11 and the pawl 12, and the clamping plate 3 stably clamps the connection position of the drainage pipe and the connecting pipe 2;

at the moment, the fixed seat 8 is contacted with the body of the patient, the fixed belt 9 bypasses the body of the patient, the female magic tape and the female magic tape are bonded, the device is fixed, the limiting rod 10 is pulled leftwards, the first spring is compressed at the moment, the limiting rod 10 is not inserted into the limiting groove any more, the moving rod 7 is pulled downwards, the moving rod 7 drives the sucker 6 to move downwards, the sucker 6 sucks the gas in the drainage tube 1, the air pressure change in the drainage tube 1 forms negative pressure, the drainage is carried out in the body of the patient, the moving rod 7 is continuously pulled downwards, the sucker 6 continuously moves downwards, when the sucker 6 is pulled downwards to a proper position, the moving rod 7 is stopped to be pulled, the limiting rod 10 is loosened, at the moment, the limiting rod 10 is inserted into the limiting groove under the action of the first spring to limit the movement of the moving rod 7, the moving rod 7 is prevented from moving upwards under the action of pressure when the drainage is carried out on the patient, the drainage effect can not be achieved;

when need not carrying out the drainage to the patient, rotate rocker 13, make pawl 12 and ratchet 11 no longer mesh, rotate this moment and change lid 4, make and change lid 4 and drive lug 5 and ratchet 11 opposite direction rotation, make the cam no longer extrude splint 3, under the effect of second spring this moment, two splint 3 move on the back mutually, no longer press from both sides tightly the drainage tube, loosen rocker 13, remove the bonding between female subsides of magic and the son subsides, with this device from the patient on one's body take off can.

The drainage device is simple in structure, convenient to operate, novel in conception and strong in practicability, the connecting part of the drainage tube and the connecting pipe can be fixed, the situation that air leaks from the connecting part in the drainage process is prevented, the moving rod, the limiting groove and the limiting rod are arranged, the movement of the sucking disc can be limited, the sucking disc is prevented from moving in the opposite direction during drainage, the drainage effect cannot be achieved, the fixing belt, the female magic tape and the male magic tape are arranged, the drainage device can be stably fixed on the body of a patient, the drainage device is prevented from falling down and stopping drainage in the drainage process, the first spring, the second spring and the rocker are arranged, the operation of medical staff can be facilitated, the operation steps of the medical staff are reduced, the use difficulty of the medical staff is reduced, and the practicability of the drainage device is improved.

Claims

1. The utility model provides a syringe formula negative pressure drainage device, axial drainage tube (1) about including, a serial communication port, drainage tube (1) upper end coaxial is equipped with connecting pipe (2), drainage tube (1) upper end left and right sides respectively sliding connection have semi-ellipse shape and not with splint (3) of connecting pipe (2) contact, drainage tube (1) upper end coaxial rotation is connected with rotary cover (4), the left and right sides is equipped with lug (5) that can rather than splint (3) contact of corresponding side respectively in rotary cover (4), coaxial sliding connection has sucking disc (6) in drainage tube (1), sucking disc (6) lower extreme is equipped with carriage release lever (7) that can reciprocate, be equipped with fixing base (8) on drainage tube (1), fixing base (8) left and right sides is equipped with fixed band (9) respectively.

2. The syringe type negative pressure drainage device according to claim 1, wherein the lower end of the movable rod (7) penetrates through the drainage tube (1) and is connected with the drainage tube (1) in a sliding manner.

3. The syringe type negative pressure drainage device according to claim 1, wherein a plurality of limiting grooves are uniformly distributed along the vertical direction on the left side of the moving rod (7), a limiting rod (10) capable of being inserted into the limiting grooves is slidably connected to the left side of the drainage tube (1), and a first spring is arranged between the left end of the limiting rod (10) and the drainage tube (1).

4. The syringe type negative pressure drainage device according to claim 1, wherein a ratchet wheel (11) is coaxially arranged on the inner side of the rotary cover (4), and a pawl (12) capable of being meshed with the ratchet wheel (11) is arranged on the drainage cylinder (1).

5. The syringe type negative pressure drainage device according to claim 1, wherein the rotary cover (4) is coaxially provided with an arc-shaped abdicating groove (14), and the pawl (12) is provided with a rocker (13) the upper end of which extends out of the abdicating groove (14).

6. The syringe type negative pressure drainage device according to claim 1, wherein the opposite ends of the two clamping plates (3) are respectively connected with the drainage cylinder (1) through second springs.

7. The syringe type negative pressure drainage device according to claim 1, wherein the outer surface of the right fixing band (9) is provided with a female magic tape, and the inner surface of the left fixing band (9) is provided with a male magic tape which can be bonded with the female magic tape.