Amniotic cavity puncture extension tube

Abstract

The utility model discloses an amniotic cavity puncture extension tube which comprises a puncture needle, an extension tube, a first shunt tube, a second shunt tube, a needle cylinder and a drainage bag, the liquid outlet end of the puncture needle is connected with the liquid inlet end of the extension tube, and a shunt sleeve is arranged at the liquid outlet end of the extension tube. The liquid inlet ends of the first flow dividing pipe and the second flow dividing pipe are connected with the flow dividing sleeve so that the first flow dividing pipe and the second flow dividing pipe can be communicated with the extension pipe, the liquid inlet end of the needle cylinder is connected with the liquid outlet end of the first flow dividing pipe, and the liquid inlet end of the drainage bag is connected with the liquid outlet end of the second flow dividing pipe. A one-way valve is arranged at the end, close to the flow dividing sleeve, of the extension pipe. When a medical worker needs to carry out amniotic fluid decrement, after the needle cylinder sucks liquid once, the liquid in the needle cylinder is immediately pushed out to the first shunt tube, the first shunt tube conveys the liquid to the second shunt tube and the liquid is discharged to a drainage bag, the medical worker does not need to temporarily replace an injector, and one-hand operation is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field especially relates to a amniotic cavity puncture extension tube. BACKGROUND

[0002] With the birth age moving, the advanced age pregnant woman is also more and more, and the improvement of molecular biology technology, prenatal diagnosis is more and more used in clinical, and most advanced age pregnant women need to receive amniotic cavity puncture, and the syringe linkage amniotic cavity puncture needle is applied in clinical at present, and this needs medical staff to keep good stability in the operation process, and the operation posture needs to bend in the process of extracting amniotic fluid, and the operator will have lumbago and backache usually after puncture operation.

[0003] Meanwhile, the syringe is extracted for checking amniotic fluid at present, and because the capacity of syringe is not enough, it needs to frequently change syringe, and more infection risk is brought to amniotic cavity puncture, and if always large capacity syringe is used throughout, single-handed operation of medical staff will be more difficult, some patients need to carry out amniotic fluid reduction operation suddenly, need to extract 200-300ml or even more amniotic fluid of patients, but 10ml syringe is used for extraction every time at present, and this leads to huge workload. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a amniotic cavity puncture extension tube, and solves the problems in the above background technology.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a amniotic cavity puncture extension tube, including puncture needle, extension tube, first shunt, second shunt, needle cylinder and drainage bag, the liquid outlet end of puncture needle is connected with the liquid inlet end of extension tube, the liquid outlet end of extension tube is provided with shunt sleeve, the liquid inlet end of first shunt and second shunt is connected with shunt sleeve, so that first shunt and second shunt are communicated with extension tube, the liquid inlet end of needle cylinder is connected with the liquid outlet end of first shunt, the liquid inlet end of drainage bag is connected with the liquid outlet end of second shunt, one end of extension tube is provided with check valve close to shunt sleeve.

[0006] Preferably, the puncture needle includes needle head, connecting seat and needle sleeve, the connecting seat is arranged at the liquid outlet end of the needle head, the needle sleeve is sleeved on the outside of the needle head, the connecting seat is provided with internal thread, the liquid inlet end of the extension tube is provided with external thread, and the extension tube is threadedly connected with the connecting seat.

[0007] Preferably, the extension tube is provided with first flow stop clamp, the first shunt is provided with second flow stop clamp, and the second shunt is provided with third flow stop clamp.

[0008] Preferably, a drainage tube is further arranged on the drainage bag, a liquid outlet end of the drainage tube is connected with the drainage bag, a liquid inlet end of the drainage tube is provided with a drainage connector, and an external thread is arranged on the drainage connector.

[0009] Preferably, a first connector is arranged on the liquid outlet end of the first shunt pipe, a second connector is arranged on the liquid outlet end of the second shunt pipe, an internal thread is arranged on each of the first connector and the second connector, the needle cylinder is threadedly connected with the first connector or the second connector, and the drainage connector is threadedly connected with the first connector or the second connector.

[0010] Compared with the prior art, the beneficial effects of the utility model include: by connecting the liquid outlet end of the puncture needle with the liquid inlet end of the extension pipe, connecting the puncture needle and the needle cylinder by the extension pipe, medical staff do not need to bend down for long-term puncture operation, the liquid outlet end of the extension pipe is provided with a shunt sleeve, the first shunt pipe and the second shunt pipe are communicated with the extension pipe, the liquid inlet end of the needle cylinder is connected with the liquid outlet end of the first shunt pipe, the liquid inlet end of the drainage bag is connected with the liquid outlet end of the second shunt pipe, when medical staff need to perform amniotic fluid reduction, after the needle cylinder completes liquid suction once, the internal liquid is immediately pushed out to the first shunt pipe, the first shunt pipe is transported to the second shunt pipe, and is discharged to the drainage bag in parallel, medical staff do not need to temporarily replace the syringe, and one-handed operation is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a structural schematic view of the utility model.

[0012] In the drawing: puncture needle 10, needle head 101, connecting seat 102, needle sleeve 103, extension pipe 20, first shunt pipe 30, first connector 301, second shunt pipe 40, second connector 401, needle cylinder 50, drainage bag 60, drainage pipe 601, drainage connector 602, shunt sleeve 70, one-way valve 80, flow stop clamp 90. DETAILED DESCRIPTION

[0013] Embodiments of the present application will be described in more detail by referring to the attached drawings. Although certain embodiments of the present application are shown in the drawings, it is understood that the present application can be implemented in various forms and should not be interpreted as being limited to the embodiments set forth herein, but rather these embodiments are provided to more thoroughly and completely understand the present application. It is understood that the drawings and embodiments of the present application are for exemplary purposes only and are not intended to limit the scope of protection of the present application.

[0014] It should be understood that the various steps of the method embodiments of the present application can be performed in different orders and / or in parallel. Furthermore, the method embodiments can include additional steps and / or omit performing the steps shown. The scope of the present application is not limited in this respect.

[0015] The term "comprising" and variations thereof as used herein are used inclusively, i.e., "comprising but not limited to." The term "connected" can be direct or indirect, i.e., through intermediary component (element). The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments." Related terms have meanings ascribed to them below.

[0016] It should be noted that the terms "first", "second", and the like in the present application merely denote differentiating the devices, modules or units, and do not imply that the devices, modules or units must be different devices, modules or units, nor that the order or interdependence of the functions performed by the devices, modules or units is implied.

[0017] As shown in the drawings, the present application provides an amniotic cavity puncture extension tube, which comprises a puncture needle 10, an extension tube 20, a first shunt tube 30, a second shunt tube 40, a needle cylinder 50 and a drainage bag 60. Figure 1 The liquid outlet end of the puncture needle 10 is connected with the liquid inlet end of the extension tube 20, a shunt sleeve 70 is arranged on the liquid outlet end of the extension tube 20, the liquid inlet ends of the first shunt tube 30 and the second shunt tube 40 are connected with the shunt sleeve 70, so that the first shunt tube 30 and the second shunt tube 40 are in communication with the extension tube 20, the liquid inlet end of the needle cylinder 50 is connected with the liquid outlet end of the first shunt tube 30, the liquid inlet end of the drainage bag 60 is connected with the liquid outlet end of the second shunt tube 40, and a one-way valve 80 is arranged on one end of the extension tube 20 close to the shunt sleeve 70.

[0018] The liquid outlet end of the puncture needle 10 is connected with the liquid inlet end of the extension tube 20, the puncture needle 10, the needle cylinder 50 are connected with the extension tube 20, medical staff do not need to bend down for long-term puncture operation, the liquid outlet end of the extension tube 20 is provided with the shunt sleeve 70, the first shunt tube 30 and the second shunt tube 40 are in communication with the extension tube 20, the liquid inlet end of the needle cylinder 50 is connected with the liquid outlet end of the first shunt tube 30, the liquid inlet end of the drainage bag 60 is connected with the liquid outlet end of the second shunt tube 40, when medical staff need to perform amniotic fluid reduction, after the needle cylinder 50 completes liquid absorption once, the liquid in the needle cylinder 50 is immediately pushed out to the first shunt tube 30, the first shunt tube 30 is transported to the second shunt tube 40, and is discharged to the drainage bag 60, medical staff do not need to temporarily replace the syringe, and one-handed operation is convenient.

[0019] The puncture needle 10 comprises a needle head 101, a connecting seat 102 and a needle sleeve 103, the connecting seat 102 is arranged at the liquid outlet end of the needle head 101, the needle sleeve 103 is sleeved outside the needle head 101, the connecting seat 102 is provided with internal threads, the liquid inlet end of the extension pipe 20 is provided with external threads, and the extension pipe 20 is threadedly connected with the connecting seat 102.

[0020] The extension pipe 20 is provided with a first flow-stopping clamp 90, the first shunt pipe 30 is provided with a second flow-stopping clamp 90, and the second shunt pipe 40 is provided with a third flow-stopping clamp 90.

[0021] The drainage bag 60 is further provided with a drainage pipe 601, the liquid outlet end of the drainage pipe 601 is connected with the drainage bag 60, the liquid inlet end of the drainage pipe 601 is provided with a drainage pipe connector 602, and the drainage pipe connector 602 is provided with external threads.

[0022] The liquid outlet end of the first shunt pipe 30 is provided with a first connecting head 301, the liquid outlet end of the second shunt pipe 40 is provided with a second connecting head 401, the first connecting head 301 and the second connecting head 401 are both provided with internal threads, the needle cylinder 50 is threadedly connected with the first connecting head 301 or the second connecting head 401, and the drainage pipe connector 602 is threadedly connected with the first connecting head 301 or the second connecting head 401.

[0023] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and transformations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and equivalents.

Claims

1. An amniocentesis extension tube, characterized by: The application relates to a puncture needle (10), an extension tube (20), a first shunt tube (30), a second shunt tube (40), a needle cylinder (50) and a drainage bag (60), the liquid outlet end of the puncture needle (10) is connected with the liquid inlet end of the extension tube (20), a shunt sleeve (70) is arranged on the liquid outlet end of the extension tube (20), the liquid inlet ends of the first shunt tube (30) and the second shunt tube (40) are connected with the shunt sleeve (70), so that the first shunt tube (30) and the second shunt tube (40) are communicated with the extension tube (20), the liquid inlet end of the needle cylinder (50) is connected with the liquid outlet end of the first shunt tube (30), the liquid inlet end of the drainage bag (60) is connected with the liquid outlet end of the second shunt tube (40), and a one-way valve (80) is arranged on one end of the extension tube (20) close to the shunt sleeve (70).

2. The extended trocar of claim 1, wherein: The puncture needle (10) comprises a needle head (101), a connecting seat (102) and a needle sleeve (103), the connecting seat (102) is arranged on the liquid outlet end of the needle head (101), the needle sleeve (103) is arranged outside the needle head (101), the connecting seat (102) is provided with an internal thread, the liquid inlet end of the extension tube (20) is provided with an external thread, and the extension tube (20) is threadedly connected with the connecting seat (102).

3. The extended trocar of claim 1, wherein: The extension tube (20), the first shunt tube (30) and the second shunt tube (40) are all provided with flow-stopping clamps (90).

4. The extended trocar of claim 1, wherein: The drainage bag (60) is further provided with a drainage tube (601), the liquid outlet end of the drainage tube (601) is connected with the drainage bag (60), the liquid inlet end of the drainage tube (601) is provided with a drainage tube connector (602), and the drainage tube connector (602) is provided with an external thread.

5. The extended trocar of claim 1, wherein: The liquid outlet end of the first shunt tube (30) is provided with a first connector (301), the liquid outlet end of the second shunt tube (40) is provided with a second connector (401), the first connector (301) and the second connector (401) are both provided with internal threads, the needle cylinder (50) is threadedly connected with the first connector (301), and the drainage tube connector (602) is threadedly connected with the second connector (401).

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