CN209916832U

CN209916832U - Negative pressure drainage device for neurosurgery

Info

Publication number: CN209916832U
Application number: CN201920460885.1U
Authority: CN
Inventors: 游涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-08
Filing date: 2019-04-08
Publication date: 2020-01-10
Anticipated expiration: 2029-04-08

Abstract

The utility model discloses a neurosurgery negative pressure drainage device belongs to the medical field, and its technical scheme main points are, including negative pressure pipe, honeycomb duct and liquid storage cylinder, negative pressure pipe's right side through connection has the piston axle, and the upside is pegged graft and is had the blast pipe, and the piston axle is located the inside one end fixed mounting of negative pressure pipe and has the piston, is provided with two return spring between the inside wall of piston and negative pressure pipe, and one side that negative pressure pipe was kept away from to the blast pipe is provided with one-way discharge valve, and negative pressure pipe's inner wall is provided with the limiting plate. Through piston removal, return spring's extension and shrink to form the negative pressure environment in the negative pressure pipe, the suction that produces through the negative pressure passes through the drainage tube suction with intracranial hydrops, and finally flows into to the liquid storage cylinder in, thereby realize the drainage of intracranial hydrops, medical personnel have realized the duration of the suction size and the negative pressure that the nimble negative pressure produced of conveniently controlling through the control to the piston axle during, and medical personnel.

Description

Negative pressure drainage device for neurosurgery

Technical Field

The utility model relates to the field of medical treatment, in particular to negative pressure drainage device for neurosurgery.

Background

In the clinical care of neurosurgery, cerebroma, severe intracranial injury and hypertensive cerebral hemorrhage are common diseases, which often form hematocele and hydroncus at the focus part to cause the increase of blood pressure in craniocerebral, so that patients have difficult pain and need to take first aid. The general emergency treatment nursing method adopts an external ventricular drainage device to conduct external ventricular drainage and decompression, thereby relieving the pain of patients.

However, the existing negative pressure drainage device for neurosurgery operation has a complex structure and more complicated operation steps, and medical personnel cannot flexibly and conveniently control the suction force generated by the negative pressure and the duration time of the negative pressure.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a be not enough to prior art exists, the utility model aims at providing a neurosurgery negative pressure drainage device, this kind of neurosurgery negative pressure drainage device passes through the piston and removes, return spring's extension and shrink, thereby form negative pressure environment in the negative pressure pipe, the suction that produces through the negative pressure passes through the drainage tube suction with intracranial hydrops, and finally flow in to the liquid storage cylinder, thereby realize the drainage of intracranial hydrops, medical personnel pass through the control to the piston during, the suction size and the duration of negative pressure of having realized nimble convenient control negative pressure production have been realized.

The above technical purpose of the present invention can be achieved by the following technical solutions: a negative pressure drainage device for neurosurgery comprises a negative pressure pipe, a flow guide pipe and a liquid storage cylinder, wherein a piston shaft is connected to the right side of the negative pressure pipe in a penetrating manner, an exhaust pipe is inserted into the upper side of the negative pressure pipe in a inserting manner, a piston is fixedly mounted at one end, positioned inside the negative pressure pipe, of the piston shaft, two return springs are arranged between the piston and the inner side wall of the negative pressure pipe, one side, far away from the negative pressure pipe, of the exhaust pipe is provided with a one-way exhaust valve, the inner wall of the negative pressure pipe is provided with a limiting plate and a rotating plate, the limiting plate is fixedly mounted on the inner wall of the negative pressure pipe, the rotating plate is rotatably; the draft tube is clamped on the left side of the negative pressure tube, and a drainage tube is inserted into one side of the draft tube, which is far away from the negative pressure tube; the upper side of the liquid storage cylinder is inserted with a liquid discharge pipe, and the liquid storage cylinder is connected with the negative pressure pipe through the liquid discharge pipe.

Furthermore, a first check valve and a second check valve are respectively arranged on the drainage tube and the liquid discharge tube.

Further, the piston shaft can slide along the inner wall of the negative pressure pipe, and the piston is in a cylindrical shape and is tightly attached to the inner wall of the negative pressure pipe.

Further, the negative pressure pipe may be split into two parts from the middle portion.

Furthermore, the contact side of the negative pressure pipe and the piston shaft is filled with an anti-abrasion cushion layer.

Furthermore, the rotating plate is in a circular plate shape, and a positioning rotating shaft penetrates through the inside of the rotating plate.

To sum up, the utility model discloses following beneficial effect has:

this kind of neurosurgery negative pressure drainage device simple structure, easy and simple to handle, through the piston removal, return spring's extension and shrink, thereby form negative pressure environment in the negative pressure pipe, the suction that produces through the negative pressure passes through the drainage tube suction with intracranial hydrops, and finally flow into to the liquid storage cylinder in, thereby realize the drainage of intracranial hydrops, medical personnel through the control to the depth of propulsion and the return stroke speed of piston during, realized the duration of the suction size and the negative pressure that nimble convenient ground control negative pressure produced.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a view showing the internal structure of the negative pressure tube of the present invention;

FIG. 3 is a cross-sectional view of the present invention;

fig. 4 is a view of the appearance structure of the rotary plate of the present invention.

In the figure: 1. a negative pressure tube; 101. a piston shaft; 102. an exhaust pipe; 103. a one-way exhaust valve; 104. a piston; 105. a return spring; 106. a limiting plate; 107. rotating the plate; 2. a flow guide pipe; 201. a drainage tube; 202. a first check valve; 3. a liquid storage cylinder; 301. a liquid discharge pipe; 302. a second check valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-4, a negative pressure drainage device for neurosurgery comprises a negative pressure tube 1, a flow guide tube 2 and a liquid storage cylinder 3, wherein the right side of the negative pressure tube 1 is connected with a piston shaft 101 in a penetrating manner, an exhaust pipe 102 is inserted at the upper side of the negative pressure tube 1, a piston 104 is fixedly installed at one end, located inside the negative pressure tube 1, of the piston shaft 101, two return springs 105 are arranged between the piston 104 and the inner side wall of the negative pressure tube 1, a one-way exhaust valve 103 is arranged at one side, away from the negative pressure tube 1, of the exhaust pipe 102, a limiting plate 106 and a rotating plate 107 are arranged on the inner wall of the negative pressure tube 1, the limiting plate 106 is fixedly installed on the inner wall of the negative pressure; the draft tube 2 is clamped at the left side of the negative pressure tube 1, and a drainage tube 201 is inserted at one side of the draft tube 2, which is far away from the negative pressure tube 1; the upper side of the liquid storage cylinder 3 is inserted with a liquid discharge pipe 301, and the liquid storage cylinder 3 is connected with the negative pressure pipe 1 through the liquid discharge pipe 301.

Through the technical scheme, one end of the drainage tube 201, which is far away from the drainage tube 2, is placed at an intracranial focus, the piston shaft 101 is pressed along the direction of the negative pressure tube 1, the piston shaft 101 pushes the piston 104 to compress air in the negative pressure tube 1, the rotating plate 107 is always in a closed state under the limiting action of the limiting plate 106, and the situation that the air enters the drainage tube 2 from the negative pressure tube 1 and then flows into the focus to cause more pain to a patient is avoided, so that the air in the negative pressure tube 1 can only be discharged through the exhaust tube 102, meanwhile, the two return springs 105 stretch along with the pushing of the piston 104, when the piston shaft 101 is loosened, the two return springs 105 gradually contract and simultaneously drive the piston 104 to move towards the contraction direction of the return springs 105, and the one-way 103 arranged on the exhaust tube 102 controls the air flow in the exhaust tube 102 to only be discharged outwards and cannot enter the negative pressure tube 1 through the, therefore, a stable negative pressure environment is formed in the negative pressure pipe 1 and suction force is generated, at the moment, the rotating plate 107 rotates 90 degrees anticlockwise under the limiting effect of the limiting plate 106 after receiving the suction force, so that a passage is formed between the drainage tube 201 and the negative pressure pipe 1, then effusion in a focus flows into the drainage tube 2 along the drainage tube 201 under the action of the negative pressure suction force, then flows into the negative pressure pipe 1 from the drainage tube 2, and finally flows into the liquid storage cylinder 3 along the liquid discharge tube 301, and intracranial effusion drainage is realized. During the use of the negative pressure drainage device for neurosurgery, the deeper the medical staff pushes the piston 104, the longer the return time of the piston 104 after the piston shaft 101 is loosened, so that the duration of the negative pressure is longer, and in the return process of the piston 104 after the piston shaft 101 is loosened, the piston shaft 101 is pulled along the return direction of the piston 104, so that the suction force generated by the negative pressure can be effectively increased, the drainage flow rate is increased, and the suction force generated by the negative pressure and the duration of the negative pressure can be flexibly and conveniently controlled.

Example 2

Referring to fig. 1 and 3, a negative pressure drainage device for neurosurgery, which is substantially the same as that in embodiment 1, further, a first check valve 202 and a second check valve 302 are respectively arranged on the drainage tube 201 and the drainage tube 301, wherein the first check valve 202 prevents the effusion in the drainage tube 201 from flowing back to the focus of the patient, and the second check valve 302 prevents the effusion from flowing back to the negative pressure tube 1, so as to ensure the normal and smooth drainage.

Example 3

Referring to fig. 2 and 3, a negative pressure drainage device for neurosurgery, which is substantially the same as that in embodiment 1, further, a piston shaft 101 can slide along the inner wall of the negative pressure tube 1, and the piston 104 is in a cylindrical shape, so that the piston 104 can be matched with the shape of the inner wall of the negative pressure tube 1 and closely attached to the inner wall of the negative pressure tube 1, and the stability of the negative pressure environment in the negative pressure tube 1 is enhanced.

Example 4

Referring to fig. 2, a negative pressure drainage device for neurosurgery, which is substantially the same as that of embodiment 1, further, the negative pressure tube 1 can be detached into two parts from the middle part, so as to facilitate the cleaning of the inside of the negative pressure tube 1 and avoid the blockage of the inside of the negative pressure tube 1 caused by the adhesion of solid or colloidal substances such as blood clots, tissue fluid and the like on the inner wall of the negative pressure tube 1.

Example 5

Referring to fig. 3, a negative pressure drainage device for neurosurgery, which is substantially the same as that in embodiment 1, further, the contact side of the negative pressure tube 1 and the piston shaft 101 is filled with an anti-abrasion cushion layer, which reduces the abrasion of the piston shaft 101 to the negative pressure tube 1 and prolongs the service life of the device.

Example 6

Referring to fig. 4, a negative pressure drainage device for neurosurgery, which is substantially the same as that in embodiment 1, further, the rotating plate 107 is in a circular plate shape, so that the rotating plate 107 is matched and attached to the inner wall of the negative pressure tube 1, the tightness of the negative pressure tube 1 is enhanced, it is ensured that air in the negative pressure tube 1 cannot flow into the flow guide tube 1 and the drainage tube 201 when the piston 104 is pushed, a positioning rotating shaft penetrates through the inside of the rotating plate 107, the rotating plate 107 rotates by taking the positioning rotating shaft as an axis, and the rotating plate 107 is rotatably connected to the inner wall of the negative pressure tube 1 by the positioning rotating shaft.

The utility model discloses a neurosurgery negative pressure drainage device's application method and theory of operation as follows: firstly, one end of a drainage tube 201 far away from a drainage tube 2 is placed at an intracranial focus, then a piston shaft 101 is pressed along the direction of a negative pressure tube 1, the piston shaft 101 pushes a piston 104 to compress air in the negative pressure tube 1, then, the air in the negative pressure tube 1 is discharged through an exhaust tube 102, a one-way exhaust valve 103 arranged on the exhaust tube 102 controls air flow in the exhaust tube 102 to be discharged only outwards and cannot enter the negative pressure tube 1 through the exhaust tube 102 from the outside, meanwhile, two return springs 105 stretch along with the pushing of the piston 104, then, the piston shaft 101 is loosened, the two return springs 105 gradually contract and simultaneously drive the piston 104 to move towards the contraction direction of the return springs 105, so that a stable negative pressure environment is formed in the negative pressure tube 1 and suction force is generated, wherein the deeper the piston 104 pushes, the longer the return time of the piston 104 after the piston shaft 101 is loosened, and the longer the duration of the negative pressure, and in the process of the return stroke of the piston 104 after the piston shaft 101 is loosened, the piston shaft 101 is pulled along the return stroke direction of the piston 104, so that the suction force generated by negative pressure can be effectively increased, and the drainage flow is increased, then the rotating plate 107 rotates 90 degrees anticlockwise under the limiting action of the limiting plate 106 after receiving the suction force, a passage is formed between the drainage tube 201 and the negative pressure tube 1, then effusion in a focus flows into the drainage tube 2 along the drainage tube 201 under the action of the negative pressure suction force, then flows into the negative pressure tube 1 from the drainage tube 2, and finally flows into the liquid storage cylinder 3 along the liquid discharge tube 301, and intracranial effusion drainage is completed.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a neurosurgery negative pressure drainage device, includes negative pressure pipe (1), honeycomb duct (2) and liquid storage cylinder (3), its characterized in that:

the right side through connection of the negative pressure pipe (1) has a piston shaft (101), the upside is inserted with an exhaust pipe (102), the piston shaft (101) is located at one end of the inside of the negative pressure pipe (1) and is fixedly provided with a piston (104), two return springs (105) are arranged between the piston (104) and the inner side wall of the negative pressure pipe (1), one side of the exhaust pipe (102) far away from the negative pressure pipe (1) is provided with a one-way exhaust valve (103), the inner wall of the negative pressure pipe (1) is provided with a limiting plate (106) and a rotating plate (107), wherein the limiting plate (106) is fixedly arranged on the inner wall of the negative pressure pipe (1), the rotating plate (107) is rotatably connected to the inner wall of the negative pressure pipe (1), and the limiting plate (106) and the rotating plate (107) are;

the draft tube (2) is clamped on the left side of the negative pressure tube (1), and a drainage tube (201) is inserted into one side, far away from the negative pressure tube (1), of the draft tube (2);

the upper side of the liquid storage cylinder (3) is inserted with a liquid discharge pipe (301), and the liquid storage cylinder (3) is connected with the negative pressure pipe (1) through the liquid discharge pipe (301).

2. A neurosurgical negative pressure drainage device according to claim 1, wherein: a first check valve (202) and a second check valve (302) are respectively arranged on the drainage pipe (201) and the drainage pipe (301).

3. A neurosurgical negative pressure drainage device according to claim 1, wherein: piston shaft (101) can follow the inner wall of negative pressure pipe (1) slides, piston (104) are "cylinder" form, and with the inner wall of negative pressure pipe (1) closely laminates.

4. A neurosurgical negative pressure drainage device according to claim 1, wherein: the negative pressure tube (1) can be split into two parts from the middle.

5. A neurosurgical negative pressure drainage device according to claim 1, wherein: the contact side of the negative pressure pipe (1) and the piston shaft (101) is filled with an anti-abrasion cushion layer.

6. A neurosurgical negative pressure drainage device according to claim 1, wherein: the rotating plate (107) is in a circular plate shape, and a positioning rotating shaft penetrates through the inside of the rotating plate (107).