CN210992162U

CN210992162U - Closed bladder perfusion apparatus

Info

Publication number: CN210992162U
Application number: CN201920970390.3U
Authority: CN
Inventors: 曾以林
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-25
Filing date: 2019-06-25
Publication date: 2020-07-14
Anticipated expiration: 2029-06-25

Abstract

The utility model discloses a closed bladder perfusion apparatus, which comprises a perfusion needle cylinder and a push rod axially moving in the perfusion needle cylinder, wherein one end of the push rod is provided with a piston, and the piston is closely matched with the inner wall of the perfusion needle cylinder; one end of the perfusion needle cylinder is at least provided with two pipelines, each pipeline comprises a medicine inlet pipe and a perfusion pipe, and one end of each medicine inlet pipe is provided with a sharp medicine pumping needle head; one end of the perfusion tube is connected with a perfusion connector in a detachable way; the medicine inlet pipe and the perfusion pipe are respectively provided with a buckle. This device can realize drawing the medicine simultaneously and fill two operations, easy operation can effectively avoid the perfusate to expose moreover and cause the pollution.

Description

Closed bladder perfusion apparatus

Technical Field

The utility model relates to a medical perfusion equipment field, concretely relates to closed bladder perfusion apparatus.

Background

Bladder tumor is one of the most common tumors of urinary system, is the first tumor in China, is second to prostatic cancer in foreign countries, has an increasing trend of incidence year by year, and has become an important component in clinical bladder tumor comprehensive treatment by bladder perfusion chemotherapy. The traditional bladder perfusion chemotherapy drug pumping and perfusion system is separated, the operation is complicated, the perfusion dose cannot be accurately controlled, and the inevitable perfusion drug extravasation in the treatment poses certain threats to the life and property safety of patients and medical staff.

The bladder perfusion apparatus used in the current market adopts the front end opening of the perfusion apparatus which is inosculated with the ureter, but the front end opening of the perfusion apparatus is not sharp enough, and the bladder perfusion liquid in sealed package can not be extracted. Therefore, the bladder perfusion fluid is pumped into the perfusion device after being extracted by the syringe with the sharp needle head, and then the bladder perfusion can be carried out. The operation process is complex and time-consuming, the perfusate needs to be exposed and easily polluted, and the chemotherapy drugs can be caused to be exosmosis due to improper operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a closed bladder perfusion ware can realize taking out the medicine simultaneously and fill, easy operation can effectively avoid the perfusate to expose moreover and cause the pollution.

In order to solve the above problem, the utility model discloses realize according to following technical scheme:

the utility model provides a closed bladder perfusion apparatus, which comprises a perfusion syringe and a push rod axially moving in the perfusion syringe;

a piston is arranged at one end of the push rod and is in close fit with the inner wall of the perfusion needle cylinder;

one end of the perfusion needle cylinder is at least provided with two pipelines, each pipeline comprises a medicine inlet pipe and a perfusion pipe, and one end of each medicine inlet pipe is provided with a sharp medicine pumping needle head; one end of the perfusion tube is connected with a perfusion connector in a detachable way;

the medicine inlet pipe and the perfusion pipe are respectively provided with a buckle.

Further, the perfusion tube is in threaded connection with the perfusion connector.

Furthermore, scales are arranged on the perfusion needle cylinder, and the scale value range of the perfusion needle cylinder is 0-60 ml.

Furthermore, scales are arranged on the medicine inlet pipe, and the scale value range of the medicine inlet pipe is 0-2 ml.

Furthermore, scales are arranged on the perfusion tube, and the scale value range of the perfusion tube is 0-2 ml.

Furthermore, the medicine inlet pipe and the filling pipe are hoses made of PVC materials.

Furthermore, the perfusion needle cylinder and the perfusion joint are both made of polypropylene materials.

Furthermore, the medicine drawing needle head is made of stainless steel materials, and the diameter of the medicine drawing needle head is 1.2-2.0 cm.

Further, the one end of filling the cylinder is provided with two at least ports, the port is including advancing the medicine end and filling the end, it connects to advance the medicine end advance the pencil, fill the end and connect fill the pipe.

Furthermore, one end of the perfusion needle cylinder is connected with a multi-way connecting pipe, the port of the multi-way connecting pipe comprises a medicine inlet end and a perfusion end, the medicine inlet end is connected with the medicine inlet pipe, and the perfusion end is connected with the perfusion pipe.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a closed bladder perfusion ware through connecting two pipelines simultaneously on a cylinder, has realized advancing medicine and has filled two functions, easy operation can effectively avoid the perfusate to expose moreover and cause the pollution. All be provided with the buckle on two pipelines, prevent mutual influence between the business turn over.

Drawings

Embodiments of the invention are described in further detail below with reference to the attached drawing figures, wherein:

FIG. 1 is a schematic view showing the construction of a closed bladder perfusion apparatus as described in this embodiment 1;

FIG. 2 is a schematic view showing the structure of another closed bladder perfusion apparatus in this embodiment 2.

In the figure:

1-filling the syringe; 11-drug-feeding end; 12-a perfusion end; 2-a push rod; 3-a piston; 4-a medicine inlet pipe; 41-medicine drawing needle; 42-buckling the medicine inlet pipe; 5-filling a pipe; 51-a fill connector; 52-perfusion tube snap; 53-thread; 6-three-way connecting pipe.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example 1

As shown in fig. 1, this embodiment 1 provides a closed bladder perfusion apparatus, which includes a perfusion syringe 1 and a push rod 2 axially moving in the perfusion syringe 1, wherein one end of the push rod 2 is provided with a piston 3, and the piston 3 is in close fit with an inner wall of the perfusion syringe 1 to ensure the sealing performance of the perfusion syringe 1. One end of the perfusion needle cylinder 1 is at least provided with two ports, the ports comprise a medicine inlet end 11 and a perfusion end 12, the medicine inlet end 11 is connected with a medicine inlet pipe 4, and the perfusion end 12 is connected with a perfusion pipe 5. Wherein, one end of the medicine inlet tube 4 is provided with a sharp medicine extracting needle 41 made of stainless steel material so as to be capable of extracting bladder perfusion liquid from the sealed transfusion bag. In order to better realize the extraction of the perfusate, the drug drawing needle head generally adopts the specification of 1.2-2.0cm in diameter and 4-6cm in length. In this embodiment, the drug drawing needle 41 is 1.6cm in diameter and 4cm in length. One end of the perfusion tube 5 is provided with a thread 53, and is connected with a perfusion connector 51 through the thread 53, and the opening of the perfusion connector 51 is inosculated with the urethra. By providing the irrigation tube 5 with threads 53, the replacement operation of the irrigation joint 51 of different specifications can be performed so as to accommodate different urethral specifications. The medicine inlet pipe 4 and the perfusion pipe 5 are respectively provided with a buckle for respectively controlling the circulation and the closing of the medicine inlet pipe 4 and the perfusion pipe 5.

Preferably, the perfusion needle cylinder 1, the drug inlet pipe 4 and the perfusion pipe 5 are provided with scales, so that the amount of the perfusion drug can be accurately measured, and the equal amount of air is injected after the drug is infused by calculating the residual amount of the cavity drug of the urinary catheter, so that the drug infusion end and the residual drug in the urinary catheter are all injected into the bladder. In this embodiment, the scale range of the injection syringe 1 is 0-60ml, and the scale ranges of the drug inlet tube 4 and the injection tube 5 are both 0-2ml, wherein the lengths of the drug inlet tube 4 and the injection tube 5 are both set to be 20 cm.

Before the device is used, the medicine inlet pipe buckle 42 and the perfusion pipe buckle 52 are clamped simultaneously, the sharp medicine extracting needle 41 is inserted into a sealed transfusion bag filled with bladder perfusion liquid, and the perfusion connector is connected with a urinary catheter remained in the bladder of a patient. When the bladder perfusate is extracted, the drug inlet pipe buckle 42 is opened, the perfusion pipe buckle 52 still keeps a clamping state, the push rod 2 is pulled to extract the bladder perfusate in the infusion bag into the perfusion syringe 1, when the sufficient perfusate is extracted into the perfusion syringe 1, the drug inlet pipe buckle 42 is clamped, the perfusion pipe buckle 52 is opened simultaneously, the push rod 2 is pushed to inject the perfusate in the perfusion syringe 1 into a urinary catheter through the perfusion pipe 5 for bladder perfusion, the perfusion pipe 5 buckle is clamped after the bladder perfusate is completely injected, the urinary catheter is pulled out simultaneously, and drug extravasation is avoided.

Example 2

As shown in fig. 2, this example 2 discloses another closed bladder perfusion apparatus, which is structurally different from the closed bladder perfusion apparatus described in example 1 in that:

in this embodiment 2, one end of the injection syringe 1 is connected to a multi-way connection tube, and a plurality of ports are opened on the multi-way connection tube, wherein the ports include a medicine inlet end 11 and an injection end 12. In this embodiment 2, the adopted multi-way connection tube is a three-way connection tube 6, and includes a medicine inlet end 11 and a perfusion end 12. The medicine inlet end 11 is connected with a medicine inlet pipe 4, and the perfusion end 12 is connected with a perfusion pipe 5. Because the syringe that is used for the injection on the market is mostly an injection mouth, this embodiment 2 is connected with advancing pencil 4, filling pipe 5 respectively through increasing a many logical connecting pipes for will filling syringe 1, can be suitable for most syringes, and the range of application is wider, and the operation is also simpler.

The other structure of the closed bladder perfusion apparatus in this embodiment 2 is completely the same as that in embodiment 1, and will not be described again.

While the preferred embodiments of the present invention have been described in detail, it should be understood that modifications and variations can be made by persons skilled in the art without inventive faculty, and in light of the above teachings. Therefore, the technical solutions according to the present invention, which can be obtained by logical analysis, reasoning or limited experiments based on the prior art, should be within the scope of protection defined by the claims.

Claims

1. A closed bladder irrigator comprising an irrigation syringe and a push rod axially movable within said irrigation syringe, characterized in that:

2. The closed bladder irrigator of claim 1, wherein: the perfusion tube is in threaded connection with the perfusion connector.

3. The closed bladder irrigator of claim 1, wherein: scales are arranged on the perfusion needle cylinder, and the scale value range of the perfusion needle cylinder is 0-60 ml.

4. The closed bladder irrigator of claim 1, wherein: the medicine inlet pipe is provided with scales, and the scale value range of the medicine inlet pipe is 0-2 ml.

5. The closed bladder irrigator of claim 1, wherein: scales are arranged on the perfusion tube, and the scale value range of the perfusion tube is 0-2 ml.

6. The closed bladder irrigator of claim 1, wherein: the medicine inlet pipe and the filling pipe are hoses made of PVC materials.

7. The closed bladder irrigator of claim 1, wherein: the perfusion needle cylinder and the perfusion joint are both made of polypropylene materials.

8. The closed bladder irrigator of claim 1, wherein: the medicine drawing needle head is made of stainless steel materials, and the diameter of the medicine drawing needle head is 1.2-2.0 cm.

9. Closed bladder irrigator according to any one of claims 1 to 5, wherein: the one end of filling the cylinder is provided with two at least ports, the port is including advancing the medicine end and filling the end, it connects to advance the medicine end advance the pencil, fill the end and connect fill the pipe.

10. Closed bladder irrigator according to any one of claims 1 to 5, wherein: one end of the perfusion needle cylinder is connected with a multi-way connecting pipe, the port of the multi-way connecting pipe comprises a medicine inlet end and a perfusion end, the medicine inlet end is connected with the medicine inlet pipe, and the perfusion end is connected with the perfusion pipe.