CN109115557B

CN109115557B - Dialysate sampling device

Info

Publication number: CN109115557B
Application number: CN201811246175.5A
Authority: CN
Inventors: 冯超; 马乐通
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-10-25
Filing date: 2018-10-25
Publication date: 2021-01-05
Anticipated expiration: 2038-10-25
Also published as: CN109115557A

Abstract

The invention discloses a dialysate sampling device, which comprises a connecting pipe, wherein a sampling pipe is arranged on an upper side interface of the connecting pipe, the sampling pipe is perpendicular to the connecting pipe, a cap is arranged on an upper end interface of the sampling pipe, a rubber belt is arranged between the cap and the upper end surface of the sampling pipe, a piston plate and a piston column are arranged in the middle of the sampling pipe, the dialysate sampling device is simple in structure and convenient to use, the connecting pipe can be arranged in the middle of the dialysis pipe for use, the dialysate is sampled through the piston plate and the piston column, a small amount of dialysate in the connecting pipe reaches the upper side of the piston plate in the sampling process, the dialysate in the connecting pipe is prevented from directly contacting with a sampling needle, and is isolated through the rubber belt, the dialysate sampled on the upper side of the piston plate is prevented from contacting with outside air, the dialysate is prevented from being polluted, the effectiveness of sampling is ensured, and, the operation can be carried out without pause, and the sampling efficiency is improved.

Description

Dialysate sampling device

Technical Field

The invention relates to the technical field of medical instruments, in particular to a dialysate sampling device.

Background

The cerini dialyser cerini is when using, utilizes the cerini dialyser cerini blood room to connect the cerini dialyser cerini both ends and extracorporeal circulation pipeline and link to each other as blood circulation passageway, and cerini dialyser cerini liquid chamber interface and dialysis machine dislysate interface connection are as dislysate circulation passageway, and the hemodialysis machine is in clinical treatment in-process, need regularly draw the dislysate in real time under the condition of equipment operation and carry out biochemical detection, and current dialysis equipment sample difficulty needs the pause dialysis, and is infected easily, influences the.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the existing defects, and provide a dialysate sampling device which is simple in structure, convenient to use, capable of being effectively matched with a hemodialysis tube for use, capable of sampling dialysate in continuous dialysis treatment, convenient to operate, not easy to be polluted by dialysate, low in cost and capable of effectively solving the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a dialysate sampling device comprises a connecting pipe, a sampling pipe is arranged on an upper side interface of the connecting pipe, the sampling tube is vertical to the connecting tube, a cap is arranged at the upper port of the sampling tube, a rubber belt is arranged between the cap and the upper end surface of the sampling tube, the middle part of the sampling tube is provided with a piston plate and a piston column, the left side of the upper surface of the piston plate is provided with a groove, an overflow cavity is arranged in the middle of the piston column, a hard tube is arranged in a through hole on the right side of the piston plate, the lower end of the hard tube is fixedly connected with the upper port of the overflow cavity, the right side surface of the sampling tube between the piston plate and the piston column is provided with a shaft hole, a rotating shaft is arranged in the shaft hole, the outer side end of the rotating shaft is fixed with a knob, the inner side end of the rotating shaft is fixed with a gear, a toothed plate in the vertical direction is fixed on the lower surface of the piston plate corresponding to the gear, and the toothed plate is meshed with the gear.

As a preferred technical scheme of the invention, the inner side of the lower end of the sampling tube is provided with a ring groove, and a sealing ring is arranged in the ring groove.

As a preferred technical scheme of the invention, the cover cap is in threaded connection with the sampling pipe, and a sampling hole is arranged at the position, corresponding to the groove, of the upper end surface of the cover cap.

As a preferable technical scheme of the invention, the whole overflow cavity is L-shaped, and the lower port of the overflow cavity is arranged on the left side surface of the lower end of the piston column.

As a preferable technical scheme of the invention, a stop plate is fixed on the inner side surface of the sampling tube on the upper side of the piston plate, and a protrusion is arranged on the lower surface of the stop plate at a position corresponding to the upper port of the hard tube.

Compared with the prior art, the invention has the beneficial effects that: this dislysate sampling device, moreover, the steam generator is simple in structure, high durability and convenient use, the connecting pipe mountable is used at the dislysate middle part, carry out the sample of dislysate through piston plate and piston post, the upside of piston plate is reachd a small amount to the dislysate in the connecting pipe in the sampling process, avoid the direct and sample needle contact of dislysate in the connecting pipe, and keep apart through the rubber tape, the dislysate and the external air contact of avoiding the sample of piston plate upside, avoid the dislysate to receive the pollution, guarantee the validity of sample, it is not influenced also to guarantee the dialysis effect, do not need the pause to operate, the efficiency of sample has been.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention.

In the figure: 1 connecting pipe, 2 sampling tubes, 201 sealing ring, 3 caps, 301 sampling holes, 4 rubber belts, 5 piston plates, 501 grooves, 6 piston columns, 601 overflow cavities, 7 hard tubes, 8 rotating shafts, 9 knobs, 10 gears, 11 toothed plates, 12 stop plates and 13 bulges.

Detailed Description

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

Referring to fig. 1, the present invention provides a technical solution: a dialysate sampling device comprises a connecting pipe 1, a sampling pipe 2 is arranged on an upper side interface of the connecting pipe 2, an annular groove is arranged on the inner side of the lower end of the sampling pipe 2, a sealing ring 201 is arranged in the annular groove, the sampling pipe 2 is perpendicular to the connecting pipe 1, a cap 3 is arranged at an upper end port of the sampling pipe 2, a rubber belt 4 is arranged between the cap 3 and the upper end surface of the sampling pipe 2, a piston plate 5 and a piston column 6 are arranged in the middle of the sampling pipe 2, a groove 501 is arranged on the left side of the upper surface of the piston plate 5, the cap 3 is in threaded connection with the sampling pipe 2, a sampling hole 301 is arranged at a position, corresponding to the groove 501, of the upper end surface of the cap 3, an overflow cavity 601 is arranged in the middle of the piston column 6, the overflow cavity 601 is integrally L-shaped, the lower end interface of the overflow cavity 601 is arranged on the left side surface of the lower end of the piston, the dialysate sampling device is simple in structure and convenient to use, a connecting pipe 1 can be installed in the middle of a dialysate for use, the dialysate is sampled through the piston plate 5 and the piston column 6, a small amount of dialysate in the connecting pipe 1 reaches the upper side of the piston plate 5 in the sampling process, the dialysate in the connecting pipe 1 is prevented from directly contacting with a sampling needle, and is isolated through a rubber belt 4, avoid 5 upside samplings of piston plate's dialysate and outside air contact, avoid the dialysate to receive the pollution, guarantee the validity of sample, also guarantee that the dialysis effect is not influenced, need not suspend and can operate, improved the efficiency of sample.

When in use: rotatory knob 9 makes pivot 8 and gear 10 rotate, gear 10 and pinion rack 11 cooperation drive piston plate 5 and descend, hard tube 7 and piston post 6 descend along with piston plate 5, the last port of hard tube 7 does not shelter from by arch 13 this moment, the lower port of overflow chamber 601 does not receive sheltering from of sampling tube 2, and be in connecting and hang 1 in, simultaneously piston plate 5 descends to make the upper end chamber weak pressure of sampling tube 2, the pressure that the dislysate flows in the cooperation connecting pipe 1, make the dislysate of connecting pipe 1 reach the sampling tube 2 inner chambers of 5 upsides of piston plate through overflow chamber 601 and hard tube 7, pass through sampling hole 301 puncture rubber tape 4 through the sampling needle, the dislysate sample of 5 upsides of piston plate extracts.

The invention has simple structure, can be effectively matched with a hemodialysis tube for use, can sample dialysate in continuous dialysis treatment, is convenient to operate, ensures that the dialysate is not easy to be polluted, has low cost and is more convenient to use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A dialysate sampling device, comprising a connection tube (1), characterized in that: the sampling device is characterized in that a sampling tube (2) is arranged on an upper side interface of the connecting tube (1), the sampling tube (2) is perpendicular to the connecting tube (1), a cover cap (3) is arranged at an upper end opening of the sampling tube (2), a rubber belt (4) is arranged between the cover cap (3) and the upper end surface of the sampling tube (2), a piston plate (5) and a piston column (6) are arranged in the middle of the sampling tube (2), a groove (501) is arranged on the left side of the upper surface of the piston plate (5), the cover cap (3) is in threaded connection with the sampling tube (2), a sampling hole (301) is arranged at a position corresponding to the upper end surface of the cover cap (3) and the groove (501), an overflow cavity (601) is arranged in the middle of the piston column (6), a hard tube (7) is arranged in a right side through hole of the piston plate (5), the lower end of the hard tube (7) is fixedly connected with the upper end opening of the overflow cavity (601), and a shaft hole is arranged on the right side surface of, be equipped with pivot (8) in the shaft hole, the outside end of pivot (8) is fixed with knob (9), the inboard end of pivot (8) is fixed with gear (10), the position that piston plate (5) lower surface corresponds gear (10) is fixed with pinion rack (11) of vertical direction, and pinion rack (11) and gear (10) meshing.

2. A dialysate sampling device according to claim 1, wherein: the lower extreme inboard of sampling tube (2) is equipped with the annular, be equipped with sealing ring (201) in the annular.

3. A dialysate sampling device according to claim 1, wherein: the overflow cavity (601) is integrally L-shaped, and the lower port of the overflow cavity (601) is arranged on the left side surface of the lower end of the piston column (6).

4. A dialysate sampling device according to claim 1, wherein: the sampling tube (2) medial surface of piston board (5) upside is fixed with stop board (12), the position that stop board (12) lower surface and hard tube (7) upper end mouth correspond is equipped with arch (13).