Amniotic fluid remaining needle

Abstract

The utility model relates to the technical field of indwelling needles and discloses an amniotic fluid indwelling needle which comprises a device body, a puncture opening is formed in the bottom end of the device body, a connecting block is arranged on the outer side of the top end of the device body, connecting threads are formed in the inner side of the connecting block, and a fixing outer ring is arranged at the top end of the device body. A fixing hole is formed in the middle of the top end of the fixing outer ring, a threaded cylinder is arranged at the bottom end of the fixing outer ring, an attaching outer ring is arranged on the outer side of the threaded cylinder, a liquid guide pipe is arranged at the top end of the fixing outer ring, a fin-shaped needle base is arranged on the outer side of the liquid guide pipe, a mounting groove is formed in the middle of the bottom end of the fin-shaped needle base, and a sealing top cover is arranged at the top end of the liquid guide pipe. Due to the fact that the fixing outer ring, the liquid guide pipe and the fixing bandage are arranged, administration or amniotic fluid drainage is facilitated, meanwhile, the flow speed during administration and amniotic fluid drainage can be conveniently controlled, and use is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of indwelling needles, and more specifically to an amniotic fluid indwelling needle. Background Art

[0002] Disposable anesthetic needle puncture is a medical operation, usually used to anesthetize patients. During surgery or other medical procedures, doctors will use disposable anesthetic needles to inject anesthetic drugs into the patient's body so that the patient does not feel pain during the operation or treatment. When used for amniocentesis, medication, and collection of amniotic fluid samples in pregnant women, the puncture needle cannot be left in place, which can easily cause pain to pregnant women.

[0003] Traditional indwelling needles are usually integrated structures, and it is troublesome to drain the amniotic fluid or administer medication according to the specific situation of the pregnant woman. In addition, during the working process, the flow rate of the amniotic fluid or the medication is usually consistent when draining the amniotic fluid or administering the medication. It is inconvenient to adjust the flow rate. Therefore, the utility model provides an amniotic fluid indwelling needle. Utility Model Content

[0004] In order to overcome the above defects of the prior art, the utility model provides an amniotic fluid indwelling needle to solve the problems existing in the above background technology.

[0005] The utility model provides the following technical solutions: an amniotic fluid indwelling needle, comprising a device body;

[0006] A fixed outer ring, the fixed outer ring being mounted on the top of the device body;

[0007] A liquid guide tube, the liquid guide tube is installed on the top end of the fixed outer ring;

[0008] A fixing strap, which is installed on the outside of the catheter;

[0009] Furthermore, a puncture hole is provided at the bottom end of the device body, a connecting block is provided on the outer side of the top end of the device body, a connecting thread is provided on the inner side of the connecting block, the connecting block is fixedly installed on the outer side of the top end of the device body, and the connecting thread is provided in the inner middle part of the connecting block.

[0010] Furthermore, a fixing hole is provided in the middle part of the top of the fixed outer ring, a threaded cylinder is provided at the bottom end of the fixed outer ring, a fitting outer ring is provided on the outside of the threaded cylinder, the threaded cylinder is fixedly installed on the bottom end of the fixed outer ring, and the fitting outer ring is fixedly installed on the outside of the threaded cylinder.

[0011] Furthermore, a fin-shaped needle seat is provided on the outer side of the catheter tube, a mounting groove is provided in the middle part of the bottom end of the fin-shaped needle seat, a sealing top cover is provided at the top end of the catheter tube, an opening and closing pull ring is provided at the top end of the sealing top cover, the fin-shaped needle seat is fixedly installed on one side of the surface of the catheter tube, the sealing top cover is movably installed on the top end of the catheter tube, and the opening and closing pull ring is fixedly installed in the middle part of the top end of the sealing top cover.

[0012] Furthermore, a sealing block is provided on one side of the fixing strap, a stabilizing block is provided on one side of the sealing block, a stabilizing knob is provided on the surface of the stabilizing block, a dosing tube is provided on the surface of the sealing block, an adjusting shell is provided at one end of the dosing tube, an adjusting bottom film is provided on the inner side of the adjusting shell, and an adjusting rotary vane is provided at the front end of the adjusting bottom film.

[0013] Furthermore, the sealing block is fixedly mounted on one side of the fixing strap, the stabilizing block is plugged and connected to one side of the sealing block, the stabilizing knob is rotatably mounted on the surface of the stabilizing block, the dosing tube is fixedly mounted on the surface of the sealing block, the adjusting shell is fixedly mounted on the outside of one end of the dosing tube, the adjusting bottom plate is fixedly mounted on the inner side of the adjusting shell, the adjusting rotary vane is movably mounted on the outside of the adjusting shell, a sealing rubber ring is provided on the rear end surface of the sealing block, and adjustment holes are provided on the surfaces of the adjusting bottom plate and the adjusting rotary vane.

[0014] Technical effects and advantages of the utility model:

[0015] 1. The utility model is provided with a fixed outer ring and a catheter, which is conducive to fixing the outer ring and the catheter for drug administration or amniotic fluid discharge. When the fixed outer ring and the threaded cylinder and the fitting outer ring are used in combination, the device can be easily disassembled and replaced during operation. When the catheter and the sealing top cover and the opening and closing pull ring are used in combination, the device can be easily used for drug administration or amniotic fluid discharge.

[0016] 2. The utility model is provided with a fixing strap, which is conducive to the control of the flow rate of the device through the fixing strap. When the fixing strap is used in conjunction with the sealing block and the stabilizing block, the device can be installed more stably. When the dosing tube is used in conjunction with the adjusting plate and the adjusting rotary plate, the device can be convenient for adjusting the flow rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0018] Figure 2 It is a schematic diagram of the main structure of the device of the utility model.

[0019] Figure 3 This is a schematic diagram of the fixed outer ring structure of the utility model.

[0020] Figure 4 This is a schematic diagram of the structure of the liquid guiding tube of the present utility model.

[0021] Figure 5 It is a schematic diagram of the fixing strap structure of the utility model.

[0022] The accompanying drawings are marked as follows: 1. Device body; 11. Puncture port; 12. Connecting block; 13. Connecting thread; 2. Fixed outer ring; 21. Fixed hole; 22. Threaded cylinder; 23. Fitting outer ring; 3. Catheter; 31. Fin-shaped needle seat; 32. Mounting groove; 33. Sealing top cover; 34. Opening and closing pull ring; 4. Fixing strap; 41. Sealing block; 42. Stabilizing block; 43. Stabilizing knob; 44. Dosing tube; 45. Adjusting shell; 46. Adjusting bottom film; 47. Adjusting rotary blade. DETAILED DESCRIPTION

[0023] The technical solution of the utility model will be clearly and completely described below in conjunction with the drawings in the utility model. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative. The amniotic fluid retention needle involved in the utility model is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0024] Reference Figure 1-5 The utility model provides an amniotic fluid indwelling needle, an amniotic fluid indwelling needle, comprising a device body 1;

[0025] A fixed outer ring 2 is mounted on the top of the device body 1;

[0026] A liquid guiding tube 3, which is installed at the top of the fixed outer ring 2;

[0027] A fixing band 4, which is installed on the outside of the catheter 3;

[0028] Reference Figure 2 A puncture hole 11 is provided at the bottom end of the device body 1, a connecting block 12 is provided on the outer side of the top end of the device body 1, a connecting thread 13 is provided on the inner side of the connecting block 12, the connecting block 12 is fixedly installed on the outer side of the top end of the device body 1, and the connecting thread 13 is provided in the middle part of the inner side of the connecting block 12.

[0029] Reference Figure 3 A fixing hole 21 is provided in the middle part of the top of the fixed outer ring 2, a threaded cylinder 22 is provided at the bottom end of the fixed outer ring 2, a fitting outer ring 23 is provided on the outside of the threaded cylinder 22, the threaded cylinder 22 is fixedly installed on the bottom end of the fixed outer ring 2, and the fitting outer ring 23 is fixedly installed on the outside of the threaded cylinder 22.

[0030] Reference Figure 4 A fin-shaped needle seat 31 is provided on the outside of the catheter tube 3, a mounting groove 32 is provided in the middle part of the bottom end of the fin-shaped needle seat 31, a sealing top cover 33 is provided on the top end of the catheter tube 3, an opening and closing pull ring 34 is provided on the top end of the sealing top cover 33, the fin-shaped needle seat 31 is fixedly installed on one side of the surface of the catheter tube 3, the sealing top cover 33 is movably installed on the top end of the catheter tube 3, and the opening and closing pull ring 34 is fixedly installed in the middle part of the top end of the sealing top cover 33.

[0031] Reference Figure 5 A sealing block 41 is provided on one side of the fixing strap 4, a stabilizing block 42 is provided on one side of the sealing block 41, a stabilizing knob 43 is provided on the surface of the stabilizing block 42, a dosing tube 44 is provided on the surface of the sealing block 41, an adjusting shell 45 is provided at one end of the dosing tube 44, an adjusting bottom film 46 is provided on the inner side of the adjusting bottom film 46, and an adjusting rotary piece 47 is provided at the front end of the adjusting bottom film 46.

[0032] Reference Figure 5 The sealing block 41 is fixedly mounted on one side of the fixing strap 4, the stabilizing block 42 is plugged and connected to one side of the sealing block 41, the stabilizing knob 43 is rotatably mounted on the surface of the stabilizing block 42, the dosing tube 44 is fixedly mounted on the surface of the sealing block 41, the adjusting shell 45 is fixedly mounted on the outside of one end of the dosing tube 44, the adjusting bottom film 46 is fixedly mounted on the inner side of the adjusting shell 45, the adjusting rotary vane 47 is movably mounted on the outer side of the adjusting shell 45, a sealing rubber ring is provided on the rear end surface of the sealing block 41, and adjustment holes are provided on the surfaces of the adjusting bottom film 46 and the adjusting rotary vane 47.

[0033] Working principle of the utility model: during the working process, first check the whole device to ensure that the device can operate normally during the working process. When working, the device body 1 can be connected to the fixed outer ring 2 through the connecting block 12, and the threaded cylinder 22 can be inserted into the connecting block 12 with a connecting thread 13 on the inner side by rotation, and then the connecting block 12 can be brought into contact with the fitting outer ring 23 to complete the installation. When it is necessary to discharge excess amniotic fluid from the pregnant woman's body, the device body 1 can be inserted into the pregnant woman's body through the puncture port 11 provided at the bottom end, and then the medical tape can be attached to the fin-shaped needle seat 31 to make the fin-shaped needle seat 31 fit the pregnant woman's skin. At this time, the opening and closing pull ring 34 can be grasped to pull the sealing top cover 33 out of the catheter 3 to allow excess amniotic fluid to pass through. The liquid medicine enters the catheter 3 through the fixing hole 21 and is then discharged from the catheter 3. When the flow rate needs to be adjusted, the external pipe can be connected to the adjusting vane 47, and then the liquid medicine is sent into the adjusting vane 47 through the external pipe, and then the adjusting vane 47 is rotated on the outside of the adjusting shell 45 to make the adjusting bottom plate 46 and the adjusting holes on the surface of the adjusting vane 47 coincide with each other, so that the liquid medicine enters the inner side of the device body 1 through the dosing tube 44, and then enters the body of the pregnant woman through the puncture port 11, wherein the fixing strap 4 can be passed through the mounting groove 32, and then the stabilizing block 42 can be installed on one side of the fixing strap 4, and finally the stabilizing knob 43 can be rotated through the stabilizing block 42 to enter the fixing strap 4 for fixing, so that the sealing block 41 is tightly fitted with the catheter 3.

[0034] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0035] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0036] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An amniotic fluid indwelling needle, comprising a device body (1); Features: A fixed outer ring (2), wherein the fixed outer ring (2) is mounted on the top of the device body (1); A liquid guiding tube (3), wherein the liquid guiding tube (3) is installed at the top end of the fixed outer ring (2); A fixing band (4) is installed on the outside of the catheter (3).

2. An amniotic fluid indwelling needle according to claim 1, characterized in that: The bottom end of the device body (1) is provided with a puncture hole (11), the top outer side of the device body (1) is provided with a connection block (12), the inner side of the connection block (12) is provided with a connection thread (13), the connection block (12) is fixedly mounted on the top outer side of the device body (1), and the connection thread (13) is provided in the inner middle part of the connection block (12).

3. The amniotic fluid indwelling needle according to claim 1, characterized in that: A fixing hole (21) is provided at the middle part of the top of the fixed outer ring (2); a threaded cylinder (22) is provided at the bottom end of the fixed outer ring (2); a fitting outer ring (23) is provided on the outside of the threaded cylinder (22); the threaded cylinder (22) is fixedly mounted on the bottom end of the fixed outer ring (2); and the fitting outer ring (23) is fixedly mounted on the outside of the threaded cylinder (22).

4. The amniotic fluid indwelling needle according to claim 1, characterized in that: The outer side of the catheter tube (3) is provided with a fin-shaped needle seat (31), the middle part of the bottom end of the fin-shaped needle seat (31) is provided with a mounting groove (32), the top end of the catheter tube (3) is provided with a sealing top cover (33), the top end of the sealing top cover (33) is provided with an opening and closing pull ring (34), the fin-shaped needle seat (31) is fixedly mounted on one side of the surface of the catheter tube (3), the sealing top cover (33) is movably mounted on the top end of the catheter tube (3), and the opening and closing pull ring (34) is fixedly mounted on the middle part of the top end of the sealing top cover (33).

5. The amniotic fluid indwelling needle according to claim 1, characterized in that: A sealing block (41) is provided on one side of the fixing bandage (4), a stabilizing block (42) is provided on one side of the sealing block (41), a stabilizing knob (43) is provided on the surface of the stabilizing block (42), a drug delivery tube (44) is provided on the surface of the sealing block (41), an adjusting shell (45) is provided at one end of the drug delivery tube (44), an adjusting bottom plate (46) is provided on the inner side of the adjusting shell (45), and an adjusting rotary plate (47) is provided at the front end of the adjusting bottom plate (46).

6. An amniotic fluid indwelling needle according to claim 5, characterized in that: The sealing block (41) is fixedly mounted on one side of the fixing strap (4); the stabilizing block (42) is plug-connected to one side of the sealing block (41); the stabilizing knob (43) is rotatably mounted on the surface of the stabilizing block (42); the drug delivery tube (44) is fixedly mounted on the surface of the sealing block (41); the adjusting shell (45) is fixedly mounted on the outer side of one end of the drug delivery tube (44); the adjusting bottom plate (46) is fixedly mounted on the inner side of the adjusting shell (45); the adjusting rotary plate (47) is movably mounted on the outer side of the adjusting shell (45); a sealing rubber ring is provided on the rear end surface of the sealing block (41); and adjustment holes are provided on the surfaces of the adjusting bottom plate (46) and the adjusting rotary plate (47).

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