CN2248564Y - Apparatus for recovery of drainage liquit of pleural cavity - Google Patents

Apparatus for recovery of drainage liquit of pleural cavity Download PDF

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Publication number
CN2248564Y
CN2248564Y CN 96207807 CN96207807U CN2248564Y CN 2248564 Y CN2248564 Y CN 2248564Y CN 96207807 CN96207807 CN 96207807 CN 96207807 U CN96207807 U CN 96207807U CN 2248564 Y CN2248564 Y CN 2248564Y
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CN
China
Prior art keywords
negative pressure
chamber
cavity
blood
communicates
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Expired - Fee Related
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CN 96207807
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Chinese (zh)
Inventor
萧明第
刘进
赵康莉
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PUHUI BIOLOGY MIDICAL ENGINEERING Co BEIJING
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PUHUI BIOLOGY MIDICAL ENGINEERING Co BEIJING
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Priority to CN 96207807 priority Critical patent/CN2248564Y/en
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Publication of CN2248564Y publication Critical patent/CN2248564Y/en
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Abstract

The utility model relates to a suction or pumping device for medical purpose, which is a box body composed of a casing and a casing cover formed into integration. A cavity body is divided into a blood storage cavity, a water sealing cavity, a negative-pressure main cavity, a negative-pressure vice cavity and an atmosphere cavity, wherein the blood storage cavity is provided with a blood inlet, a blood outlet and a blood filter screen; the upper part of the blood storage cavity is communicated with the upper part of the water sealing cavity, the lower part of the water sealing cavity is communicated with the lower part of the negative-pressure main cavity, the upper part of the negative-pressure main cavity is communicated with the upper part of the negative-pressure vice cavity, and the lower part of the negative-pressure vice cavity is communicated with the lower part of the atmosphere cavity; the negative-pressure vice cavity has a negative-pressure port, and the atmosphere cavity has an atmosphere port. The device can be used for collecting the staxis in the thoracic cavity of a patient and transfusing back into the body of the patient again. The utility model can reduce the blood transfusion quantity of patients after operations.

Description

Chest drainage liquid retracting device
This utility model relates to a kind of medical attraction or pumping tool.
Behind the present cardiac thoracic surgery of China, because its particularity patient postoperative all need dispose intrathoracic drain in 24 hours.The oozing of blood that patient itself is clean is lost in vain on the one hand, and need import allogeneic blood flow replenishment of blood content on the other hand, so both increased patient's postoperative expense, has increased the danger of haematogenous infectious disease again.Therefore, on the cardiothoracic surgery of China, be sought after a kind of chest drainage liquid retracting device.
The purpose of this utility model is to realize a kind of chest drainage liquid retracting device, is to gather oozing of blood clean in the thoracic cavity behind the cardiac thoracic surgery and feed back to the intravital device of patient again.It can reduce the transfusion volume of postoperative patient, and can avoid polluting the various haematogenous infectious disease that cause because of the blood source, and this device is reasonable in design, easy to operate, cost is low, be convenient to popularization.
The purpose of this utility model realizes by following scheme: this chest drainage liquid retracting device, comprise by housing, cap is to incorporated box body, in described housing, be divided into two parts: collecting chamber and negative pressure cavity by median septum, in described collecting chamber, be divided into two cavitys: storage haemocoele and water seal chamber by the collecting chamber dividing plate, the top of described storage haemocoele is provided with blood inlet, the bottom is provided with the blood outlet, upper position at this storage haemocoele is provided with drainage screen, the top of this storage haemocoele communicates with top, described water seal chamber, the bottom in this water seal chamber communicates with described negative pressure cavity, and this negative pressure cavity communicates with negative pressure mouth on the described housing.During use, the negative pressure mouth connects the conduit of negative pressure pump, and blood inlet connects patient's intrathoracic drain, the oozing of blood of patient's cleaning just flows in the storage haemocoele, and, flow to the bottom of storage haemocoele by the molecule in the drainage screen filtering blood, in order to mending in the patient body again.
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 is the side view of chest drainage liquid retracting device
Fig. 2 is the front view of chest drainage liquid retracting device
Fig. 3 is the vertical view of chest drainage liquid retracting device
Fig. 4 is the elastic valve structure chart
As Fig. 1, Fig. 2, shown in Figure 3, this chest drainage liquid retracting device, be to be bonded as one by housing 3, cap 2, in housing 3, be divided into two parts: collecting chamber and negative pressure cavity by median septum 42, in described collecting chamber, be divided into two cavitys: storage haemocoele 31 and water seal chamber 32 by collecting chamber dividing plate 41, the top of described storage haemocoele 31 is provided with blood inlet 21, the bottom is provided with blood outlet 22, upper position at this storage haemocoele 31 is provided with drainage screen 10, and the top of this storage haemocoele 31 communicates with 32 tops, described water seal chamber.
As Fig. 1, Fig. 2, shown in Figure 3, described negative pressure cavity is divided into three cavitys: by described median septum 42, the negative pressure master chamber 33 that negative pressure cavity dividing plate 43 is formed, by described negative pressure cavity dividing plate 43, the secondary chamber 34 of the negative pressure that atmosphere chamber dividing plate 44 is formed, by described atmosphere chamber dividing plate 44, the atmosphere chamber 35 that the sidewall of described housing 3 is formed, the bottom in described water seal chamber 32 is to communicate with the bottom in the negative pressure master chamber 33 of described negative pressure cavity, the top in this negative pressure master chamber 33 communicates with the top in the secondary chamber 34 of negative pressure, the bottom in the secondary chamber 34 of this negative pressure communicates with the bottom of described atmosphere chamber 35, negative pressure mouth 23 on the described housing 3 is located at the top in the secondary chamber 34 of described negative pressure, and the top of described atmosphere chamber 35 is provided with atmospheric air port 24.
As Fig. 2, Fig. 3, shown in Figure 4, the top in described negative pressure master chamber 33 is provided with elastic valve, this elastic valve is made up of spring 6 and pad 5, and be contained in the convex hull 29 on the described housing 3, this convex hull 29 communicates with described negative pressure master chamber 33, the sidewall of this convex hull 29 has a hole, and described pad 5 is lived this hole by described spring 6 closedtops.
One through hole is arranged at the top of described storage haemocoele 31, shutoff one rubber closure 7 in this through hole.
As Fig. 1, Fig. 2, shown in Figure 3, this device in use, in negative pressure master chamber 33, water seal chamber 32 adds certain amount of fluid, this liquid is nontoxic, physiological saline solution etc., can observe amount of liquid by having the transparency window of mark on the cap 2.It mainly acts on is to stop the air admission thoracic cavity, in case the air admission thoracic cavity causes the pressure in thoracic cavity to rise, when pressure rises to atmospheric pressure, life danger will occur.Also add a certain amount of nontoxic aseptic colored liquid in atmosphere chamber 35, the secondary chamber 34 of negative pressure, can observe amount of liquid by having the transparency window of mark on the cap 2.The vacuum that can reflect negative pressure cavity by liquid level.Atmospheric air port 24 is actually at housing 3 top drillings, and porose beyond the Great Wall rubber closure, adds filtrate in the rubber consent, plays the effect of filtered air.Negative pressure mouth 23 is equipped with ozzle, and connects pipeline, makes its logical negative pressure pump.Blood exports 22 places blood CAP NUTS 25 is housed.Blood inlet 21 is equipped with ozzle, and meets patient's hemorrhage place, thoracic cavity by pipeline.Start negative pressure pump, negative pressure cavity, collecting chamber form negative pressure.As Fig. 1, Fig. 2, shown in Figure 3, blood in the thoracic cavity passes through pipeline, flow in the storage haemocoele 31 through blood import 21, by way of drainage screen 10, molecule in the filtering blood, as other belongings (relatively large) in thrombosis bolt piece, GUSUIPIAN and the blood in the blood, blood is by behind the drainage screen 10, flow to the bottom of storage haemocoele 31, what windowpane of the blood volume that shows in the storage haemocoele 31 is arranged on the cap 2 of this device.For preventing to store up the blood coagulation in the haemocoele 31, can from atresia rubber closure 7, inject anticoagulant, ratio probably is 1: 20.If the vacuum of storage haemocoele 31 is too big, should reduce the vacuum in the storage haemocoele 31, at this moment available finger is pressed hand-operated valve, promptly presses mobile gasket 5, and holddown spring 6 makes the hole in the convex hull 24 connect with extraneous, at this moment can reduce the vacuum in the storage haemocoele 31.But must watch the fluctuation of the liquid in the water seal chamber 32 simultaneously, do not cause the storage haemocoele 31 in vacuum be reduced to dangerous values.When the openhanded pad 5 of opening, under spring 6 restoring force effects, pad 5 withstands the hole on the convex hull 24, plays sealing function again.In water seal chamber 32, place ball float 11, can be clear that the fluctuation of liquid level, so just observe the situation of pressure more intuitively by ball float 11.Card post 27 in the water seal chamber 32 can stop that ball float 11 enters in the storage haemocoele 31.
As Fig. 1, Fig. 2, shown in Figure 3, hook 1 and handle 28 are housed at the end face of housing.
When feeding back oozing of blood again, can open blood CAP NUTS 4, connect pipeline, can be in the patient body with blood transport.
The housing of this device, the material of cap are methymethacrylate and styrol copolymer.Pipeline adopts the medical poisonless pvc pipe.Rubber closure adopts natural rubber.
In sum, adopt this device the intrathoracic oozing of blood of patient can be collected and fed back to again in the disease human body, it can reduce the transfusion volume of postoperative patient, and can avoid polluting the various haematogenous infectious disease that cause because of the blood source.In addition, it can also be the regeneration product of existing closed thoracic vacuum suction water-sealed drainage bottle for the thoracic cavity provides stable negative pressure.This device is reasonable in design, easy to operate, cost is low, be convenient to popularization.

Claims (4)

1, a kind of chest drainage liquid retracting device, comprise by housing, cap is to incorporated box body, it is characterized in that: in described housing, be divided into two parts: collecting chamber and negative pressure cavity by median septum, in described collecting chamber, be divided into two cavitys: storage haemocoele and water seal chamber by the collecting chamber dividing plate, the top of described storage haemocoele is provided with blood inlet, the bottom is provided with the blood outlet, upper position at this storage haemocoele is provided with drainage screen, the top of this storage haemocoele communicates with top, described water seal chamber, the bottom in this water seal chamber communicates with described negative pressure cavity, and this negative pressure cavity communicates with negative pressure mouth on the described housing.
2, chest drainage liquid retracting device according to claim 1, it is characterized in that: described negative pressure cavity is divided into three cavitys: by described median septum, the negative pressure master chamber that the negative pressure cavity dividing plate is formed, by described negative pressure cavity dividing plate, the secondary chamber of the negative pressure that the atmosphere chamber dividing plate is formed, by described atmosphere chamber dividing plate, the atmosphere chamber that the sidewall of described housing is formed, the bottom in described water seal chamber is to communicate with the bottom in the negative pressure master chamber of described negative pressure cavity, the top in this negative pressure master chamber communicates with the top in the secondary chamber of negative pressure, the bottom in the secondary chamber of this negative pressure communicates with the bottom of described atmosphere chamber, negative pressure mouth on the described housing is provided in a side of the top in the secondary chamber of described negative pressure, and the top of described atmosphere chamber is provided with atmospheric air port.
3, chest drainage liquid retracting device according to claim 2, it is characterized in that: the top in described negative pressure master chamber is provided with elastic valve, this elastic valve is made up of spring and pad, and be contained in the convex hull on the described housing, this convex hull communicates with described negative pressure master chamber, the sidewall of this convex hull has a hole, and described pad is lived this hole by described spring closedtop.
4, chest drainage liquid retracting device according to claim 3, it is characterized in that: a through hole is arranged at the top of described storage haemocoele, shutoff one rubber closure in this through hole.
CN 96207807 1996-04-15 1996-04-15 Apparatus for recovery of drainage liquit of pleural cavity Expired - Fee Related CN2248564Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 96207807 CN2248564Y (en) 1996-04-15 1996-04-15 Apparatus for recovery of drainage liquit of pleural cavity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 96207807 CN2248564Y (en) 1996-04-15 1996-04-15 Apparatus for recovery of drainage liquit of pleural cavity

Publications (1)

Publication Number Publication Date
CN2248564Y true CN2248564Y (en) 1997-03-05

Family

ID=33891999

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 96207807 Expired - Fee Related CN2248564Y (en) 1996-04-15 1996-04-15 Apparatus for recovery of drainage liquit of pleural cavity

Country Status (1)

Country Link
CN (1) CN2248564Y (en)

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