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A drainage device for tumor hydrops

A technology of drainage device and tumor, applied in the field of medical equipment, can solve problems such as increasing the pain of patients, and achieve the effects of improving continuity, shortening operation time and improving efficiency

Active Publication Date: 2022-04-12
THE FIRST AFFILIATED HOSPITAL OF HENAN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the case of a large amount of accumulated water, it is necessary to replace multiple syringes and puncture the affected side many times, which increases the pain of the patient.

Method used

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  • A drainage device for tumor hydrops
  • A drainage device for tumor hydrops
  • A drainage device for tumor hydrops

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Such as figure 2 , 3 And as shown in 4: the first-stage piston head 5 in the present embodiment is made of rubber material, and its outer periphery is in frictional sliding fit with the inner edge of the cylindrical body 10 . A circular shaft hole 502 is provided at the center of the top end of the first-stage piston head 5, and a plurality of shaft holes 502 and syringes 3 are separated from each other on the first-stage piston head 5. The piston cavity 11 communicates with the first vent hole 501. The secondary piston head 4 is coaxially rotated and fitted in the shaft hole 502, and includes an inner cylinder 403 made of metal material and an outer cylinder 401 fixed on the outer periphery of the inner cylinder 403 by an adhesive. The outer cylinder 401 is also made of rubber material, so that In order to realize the gap-free fit between the outer periphery of the secondary piston head 4 and the wall of the shaft hole 502 , the piston maintains a good airtight effe...

Embodiment 2

[0033] Such as Figure 7 As shown, the primary piston head 5 and the secondary piston head 4 in this embodiment are both made of rubber materials. A tapered hole 503 with a large end facing downward and a small end facing upward is opened through the primary piston head 5 . The shape of the secondary piston head 4 is a truncated cone corresponding to the shape of the tapered hole 503 and is arranged in the piston cavity 11 , and its small end is fixedly connected with the push-pull rod 6 . The secondary piston head 4 can close the tapered hole 503 during the upward pull of the push-pull rod 6, so that the piston cavity 11 is isolated from the external atmosphere. One side above the tapered hole 503 on the push-pull rod 6 is fixedly provided with a baffle plate 14 with an outer diameter greater than the aperture of the small end of the tapered hole 503, and a plurality of small ends with the tapered hole 503 are arranged at intervals on the baffle plate 14 The corresponding t...

Embodiment 3

[0035] Such as Figure 8 As shown, the primary piston head 5 and the secondary piston head 4 in this embodiment are both made of rubber materials. A step hole 504 with a large hole facing downward is penetratingly opened on the primary piston head 5 . The secondary piston head 4 is arranged in the cylinder body 10 between the primary piston head 5 and the injection nozzle 12 and can be used to block the large hole of the stepped hole 504, and the push-pull rod 6 is in clearance fit with the small hole in the stepped hole 504 After passing through the stepped hole 504, it is fixedly connected with the secondary piston head 4, and a spring 15 for connecting the primary piston head 5 and the secondary piston head 4 is sleeved on the push-pull rod 6 at the position in the large hole of the stepped hole 504. During the upward pull of the push-pull rod 6, the secondary piston head 4 pushes the primary piston head 5 to move up together; during the downward push of the push-pull rod ...

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PUM

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Abstract

The invention relates to the field of medical equipment, in particular to a drainage device for tumor hydrops. Including water storage box, puncture needle and injection barrel, the needle nozzle of the puncture needle and the injection nozzle of the injection barrel are respectively connected to the water accumulation box through a hose, the piston of the injection barrel is split type and includes a first-stage piston head and a second-stage piston head , the outer edge of the first-stage piston head and the inner edge of the barrel of the injection barrel cooperate in a friction-sliding manner, the second-stage piston head is connected with the push-pull rod of the injection barrel, and the first-stage piston head and the second-stage piston head can be moved between the push-pull rods It is automatically joined during the pulling process to isolate the piston chamber of the cylinder body from the outside, and the first-stage piston head and the second-stage piston head can also be automatically separated during the push-pull rod so that the piston chamber of the cylinder body passes through the first-stage piston head and the second-stage piston head. The separation gap of the first stage piston head communicates with the outside. The invention can improve the continuity of water drainage and greatly shorten the operation time of water drainage.

Description

technical field [0001] The invention relates to the field of medical equipment, in particular to a drainage device for tumor hydrops. Background technique [0002] Cancer patients are often accompanied by pleural or peritoneal effusion. In the early stage of effusion, there will be severe chest pain on the affected side, like a stabbing knife, and the deep breathing or coughing is more serious. This is caused by the friction between the viscous fluid and the two layers of pleura. . As the effusion increases, patients experience shortness of breath, palpitations, and dyspnea, which gradually worsen. [0003] The original drainage operation for hydrops usually uses a syringe to pierce the affected side to extract the hydrops. After the effusion is pumped out, the pressure on the large blood vessels in the lungs, heart, and thoracic cavity can be relieved, and symptoms such as shortness of breath, palpitations, and dyspnea can be relieved, and the pain can be temporarily reli...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61M1/00
CPCA61M2210/101A61M2210/1021A61M2210/005
Inventor 张殿宝张宪芬陈小莉
Owner THE FIRST AFFILIATED HOSPITAL OF HENAN UNIV OF SCI & TECH