CN2287939Y

CN2287939Y - Liquid sucking constant exchanger

Info

Publication number: CN2287939Y
Application number: CN 96244691
Authority: CN
Inventors: 陈征宇
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-12-11
Filing date: 1996-12-11
Publication date: 1998-08-19
Anticipated expiration: 2006-12-11

Abstract

The utility model relates to a liquid sucking constant exchanger. Two injection barrels which are totally inserted with injection rods are respectively arranged in two connecting cylinder bodies. The two injection rods are connected by linking plates. Two injection nozzles are respectively arranged in the two connecting cylinder bodies. One injection rod can be connect with a needle, and the other is engaged with the injection nozzles and both ends of a conduction element. A control valve is arranged between the needle and the connecting cylinder bodies, and can change a fluid passage. One of the injection rods is pulled or pushed, which enables the other to form opposite pushing and pulling actions. Thereby, eyeball pressure can be maintained in a stable state to do operation. The utility model reduces pain in the medical care progress, increases security, and reduces complication.

Description

Liquid aspirates constant exchange instrument

This utility model relates to a kind of liquid and aspirates constant exchange instrument, is meant a kind of suction apparatus that is applicable to the operation of eyeball internal hemorrhage.

Traditional eyeball internal hemorrhage is cured step, is to open the hole that two need are sewed up at eyeball, and by a hole injecting gas, internal hemorrhage is discharged in another hole, and then pours into medicinal liquid with reciprocal hole, and air is discharged from.This treatment process generally needs general anesthesia, and in therapeutic process, eyeball can cause swell-shrinking deformation because of pressure change, increases the complication of operation, and for the patient of local anesthesia, also can increase pain.

The purpose of this utility model provides a kind of liquid and aspirates constant exchange instrument, with convenient medical treatment to the patient, and reduces the misery of medical procedure, and eyeball pressure is maintained under the steady statue undergo surgery, can increase safety, reduce complication.

This utility model is achieved in that the company's of including cylindrical shell, control valve, entry needle and conduction element, it is characterized in that: above-mentioned even cylindrical shell is two and is respectively equipped with two notes tubes of making suction action for injection rod, two injection rods connect with interlock plate, form synchronous or suction action, company's cylindrical shell is provided with two injection nozzle and passes in and out for liquid, one is connected to control valve, and another is connected on an end of conduction element; Above-mentioned control valve is provided with the different paths of three-dimensional by the wrench control break, and first path connects entry needle, and alternate path connects medicinal fluid bag or discharging tube, and the 3rd path is cylindrical shell in succession; Above-mentioned entry needle is provided with and can thrusts the syringe needle that is sucked thing, is connected to control valve with connection tube, is used for suction or injects liquid; Above-mentioned conduction element two ends are engaged on respectively on two different injection nozzle that connect cylindrical shells, and conduction element and company's cylindrical shell of linking to each other are annotated in the tube and inserted liquid.

Characteristics of the present utility model are that two injection tubes of all inserting injection rod are arranged respectively in two cylindrical shells, these two injection rods connect with interlock plate, two even respectively have two injection nozzle in the cylindrical shell, an injection rod can connect entry needle, another injection nozzle is connected mutually with the two ends of conduction element, between entry needle and the company's cylindrical shell control valve is arranged, and can change fluid path, to one of them injection rod pull or pushing, can make another injection rod form opposite pushing and pull action.Take this to make eyeball pressure to maintain under the steady statue and undergo surgery, reduce the misery of medical procedure, increase safety, reduce complication.

Fig. 1 is an axonometric chart of the present utility model;

Fig. 2 is a combination upward view of the present utility model;

Fig. 3 is that illustration is used in enforcement of the present utility model;

Fig. 4 is the 4-4 line cutaway view of Fig. 3;

Fig. 5 is the action diagram of Fig. 4;

Referring to Fig. 1, this utility model is by the company's of including cylindrical shell 1, control valve 2, entry needle 3 and conduction element 4, the above-mentioned cylindrical shell 1 that connects is two and is respectively equipped with two and puts the notes tube that the people makes suction action for injection rods 11, two injection rods 11 connect with interlock plate 12, form synchronous or suction action, company's cylindrical shell is provided with two injection nozzle 13 and passes in and out for liquid, and one is connected to control valve 2, and another is connected on an end of conduction element 4; Above-mentioned control valve 2 is provided with the

different paths

21,22,23 of three-dimensional by spanner 24 control breaks, first path 21 connects entry needle 3, alternate path 22 connects medicinal fluid bag 5 or discharging tube 6, the 3rd path 23 is the injection nozzle 13 of cylindrical shell 1 in succession, utilize the control of spanner 24, first path 21 is communicated (as shown in Figure 4) with the 3rd path 23, or second,

third path

22,23 communicate (as shown in Figure 5); Above-mentioned entry needle 3 is provided with and can thrusts the syringe needle 31 that is sucked thing, is socketed on first path 21 of control valve 2 with connection tube 32, makes syringe needle 31 can be connected injection rod 11 controls of cylindrical shell 1, be used for suction or inject liquid; Above-mentioned conduction element 4 is various pressure-resistant conduits commonly used, and its two ends are engaged on respectively on two different injection nozzle 13 that connect cylindrical shells 1, and conduction element 4 and company's cylindrical shell 1 of linking to each other annotate in the tube and inserted liquid, can form the counteragent of connection.

Referring to Fig. 2, assembling condition of the present utility model be two even one of them injection nozzle 13 of cylindrical shells 1 be connected to control valve 2, be connected to the connection tube 32 of entry needle 3 by first path 21, alternate path 22 connects medicinal fluid bag 5 and discharging tube 6.At this moment, two control valves 2 as shown in Figure 5, form second,

third path

22,23 situation that communicates, and two another injection nozzle 13 that connect tube 1 are connected to an end of conduction element 4 respectively, company's cylindrical shell 1 of connection conduction element 4 is annotated in the tube and has been put into liquid 7, therefore, when the injection rod 11 that one of them is connected cylindrical shell 1 was made propelling movement or suction action, another injection rod 11 that connects cylindrical shell 1 just formed opposite suction or pushes action.

Referring to Fig. 3, when this utility model uses, at first the syringe needle 31 of two entry needles 3 is penetrated into the different parts of eyeball respectively, and the control valve 2 that is used to extract the eyeball internal hemorrhage is unlocked into the first, the

3rd path

21,23 and communicates, alternate path 22 forms closes.In addition, be used to control the control valve 2 of pumping medicinal fluid bag 5, also open into the first, the

3rd path

22,23 and communicate fully, therefore, when the outside pull of the injection rod 11 on right side (as shown in Figure 3), syringe needle 31 can outwards be extracted internal hemorrhage blood out, and in the company's of entering cylindrical shell 1, and it is through the connection of conduction element 4, the injection rod 11 in left side forms forward and pushes, injection is mended to eyeball, so can be formed the turnover of equal quantities, form constancy of volume eyeball; Simultaneously, when the company's cylindrical shell 1 that extracts has excessive extraction, when promptly being extracted into non-internal hemorrhage liquid, also can directly hold injection rod 11 oppositely to push thus, to avoid being extracted into the extraction thing that to take out; After crimson blood is pumped down to company's cylindrical shell 1, two control valves 2 can be rotated, make it again by shown in Figure 5, form second,

third path

22,23 and communicate, therefore, when the right-hand injection rod 11 that connects cylindrical shell 1 is pushed, crimson blood can be discharged by discharging tube 6, and medicinal liquid can enter in left connects cylindrical shell 1.

In a word, this utility model simple structure can change present elaborate formalities with this treatment process more easily, and eyeball is in extracting the internal hemorrhage process, the turnover of quantity of fluid such as formation, and eyeball volume and pressure can not change, for the patient, can reduce postoperative complication.

Claims

1, a kind of liquid aspirates constant exchange instrument, the company's of including cylindrical shell, control valve, entry needle and conduction element, it is characterized in that: above-mentioned even cylindrical shell is two and is respectively equipped with two notes tubes of making suction action for injection rod, two injection rods connect with interlock plate, form synchronous or suction action, company's cylindrical shell is provided with two injection nozzle and passes in and out for liquid, and one is connected to control valve, and another is connected on an end of conduction element; Above-mentioned control valve is provided with the different paths of three-dimensional by the wrench control break, and first path connects entry needle, alternate path connects medicinal fluid bag or discharging tube, and the 3rd path is cylindrical shell in succession; Above-mentioned entry needle is provided with and can thrusts the syringe needle that is sucked thing, is connected to control valve with connection tube, is used for suction or injects liquid; Above-mentioned conduction element two ends are engaged on respectively on two different injection nozzle that connect cylindrical shells, and conduction element and company's cylindrical shell of linking to each other are annotated in the tube and inserted liquid.