CN212546926U - Disposable invasive pressure monitoring sensor - Google Patents

Abstract

The utility model discloses a disposable invasive pressure monitoring sensor, which comprises a flushing pipeline, a bottle stopper puncture outfit, a dropping bottle, a filter, a flushing valve, a pressure sensor and a conversion joint, wherein the bottle stopper puncture outfit, the dropping bottle, the filter, the flushing valve, the pressure sensor and the conversion joint are sequentially connected in series on the flushing pipeline; a signal adapter communicated with the pressure detector is arranged beside the flushing valve; the conversion joint is connected with a pressure measuring pipe, one end of the pressure measuring pipe, which is not connected with the conversion joint, is provided with an outer conical joint, the middle of the pressure measuring pipe is disconnected, and connecting terminals are respectively arranged at the disconnected positions; sampling mechanism detachable pegs graft in connecting terminal with the piezometer pipe of UNICOM disconnection, and sampling mechanism's sample connection can seal by oneself after accomplishing the sample. Through above-mentioned structure for medical personnel can realize the direct collection to patient's blood appearance, and sampling mechanism can realize closing by oneself after gathering the completion, has avoided medical personnel to forget to close the problem that sampling mechanism leads to patient's blood loss.

Description

Disposable invasive pressure monitoring sensor

Technical Field

The utility model relates to the field of medical equipment, especially disposable has an invasive pressure monitoring sensor.

Background

The invasive pressure monitoring sensor is a device for monitoring various pressures of invasive blood pressure of a human body, such as arterial pressure, central venous pressure, pulmonary artery pressure and left coronary artery pressure. The physiological parameter of blood pressure can be directly obtained, so that objective basis is provided for clinical diagnosis, treatment and prognosis estimation of diseases.

With the wide clinical application of invasive pressure sensors, the invasive pressure sensors with single function can not meet the clinical requirements, and some pressure monitoring sensors in the market can realize sampling and blood drawing while monitoring blood pressure, so that the workload of medical staff is reduced, the pain of a patient is relieved, and the risk of anemia of the patient caused by multiple blood drawing is avoided. However, the existing three-way valve sampling mechanism is unreasonable in structure, medical staff are required to manually open and close the three-way valve during blood sampling, the operation steps are complicated, and the situations that the blood sample of a patient is polluted, the sampling mechanism is not tightly closed and the like easily occur due to human negligence.

SUMMERY OF THE UTILITY MODEL

In view of the above insufficiency, the utility model aims to provide a disposable has an invasive pressure monitoring sensor, can effectively retrench the operating procedure when taking a blood sample under the circumstances of guaranteeing patient's blood sample safety. Meanwhile, the sampling mechanism can be automatically closed after the blood sampling operation is finished, so that the condition that the blood of a patient flows outwards is prevented.

In order to achieve the above purpose, the technical scheme of the utility model is that:

the disposable invasive pressure monitoring sensor comprises a flushing pipeline, and a bottle stopper puncture outfit, a dropping bottle, a filter, a flushing valve, a pressure sensor and a conversion joint which are sequentially connected in series through a flushing pipe, wherein a flow rate regulator is clamped on the flushing pipe between the filter and the flushing valve; a signal adapter communicated with the pressure detector is arranged beside the flushing valve; the conversion joint is connected with a pressure measuring pipe, one end of the pressure measuring pipe, which is not connected with the conversion joint, is provided with an outer conical joint, the middle of the pressure measuring pipe is disconnected, and connecting terminals are respectively arranged at the disconnected positions; the detachable of sampling mechanism is pegged graft in connecting terminal with the piezometer pipe of UNICOM disconnection, the sample connection of sampling mechanism can seal by oneself after accomplishing the sample.

Further, sampling mechanism is provided with feed liquor pipe and drain pipe including the sample leather bag of UNICOM on the sample leather bag, feed liquor pipe and drain pipe detachable peg graft in connecting terminal.

Furthermore, the sampling mechanism comprises a needle-free infusion connector and a connecting pipe, wherein the liquid inlet end of the needle-free infusion connector is connected to the pipe wall of the connecting pipe, and two ends of the connecting pipe are detachably inserted into the connecting terminal.

Furthermore, a protective cap is screwed on the outer conical joint.

Further, a sheath is sleeved on the bottle stopper puncture outfit.

The working principle is as follows: when medical personnel need take a blood sample, have two kinds of different modes according to the different structures of sampling mechanism. 1 when the sampling mechanism adopts a sampling leather bag structure, a disposable syringe connected with a needle head is used for sampling. After the needle pricks the sampling leather bag, disposable syringe switches on with the sampling leather bag, and the blood sample in the disposable syringe suction sampling leather bag afterwards, after the suction is enough the predetermined amount, the sample is accomplished, and the needle extracts the sampling leather bag. At this time, because the leather bag is made of a material with better elasticity, the sampling leather bag is automatically blocked by the small hole at the pricked position. 2. The sampling mechanism adopts a needle-free infusion joint as a sampling end, when sampling is needed, medical staff presses a silicon cap in the needle-free infusion joint into a shell by using the front end of a disposable injector, so that a puncture catheter in the needle-free infusion joint is communicated with the disposable injector, then a blood sample in a pipeline is sucked out by the disposable injector to finish sampling, and when the sampling is finished, after a needle tube is pulled out, the silicon cap is restored to an initial state to seal the puncture catheter.

Has the advantages that: through above-mentioned structure for medical personnel can realize the direct collection to patient's blood appearance, and sampling mechanism can realize closing by oneself after gathering the completion, has avoided medical personnel to forget to close the problem that sampling mechanism leads to patient's blood loss.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of another embodiment of the present invention.

Reference numerals: 1. the device comprises a flushing pipe 2, a bottle stopper puncture outfit 3, a dropping bottle 4, a filter 5, a flushing valve 6, a pressure sensor 7, a conversion joint 8, a flow rate regulator 9, a signal conversion joint 10, a pressure measuring pipe 11, an outer cone joint 12, a connecting terminal 13, a sampling mechanism 14, a sampling leather bag 15, a liquid inlet pipe 16, a liquid outlet pipe 17, a needle-free infusion joint 18, a connecting pipe 19, a protective cap 20 and a protective sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The disposable invasive pressure detecting sensor as shown in fig. 1 and fig. 2 comprises a bottle stopper puncture outfit 2, a dropping bottle 3, a filter 4, a flushing valve 5, a pressure sensor 6 and a conversion joint 7 which are connected in series through a flushing pipeline 1 and the flushing pipeline 1. And a flow rate regulator 8 capable of regulating the flow rate of flushing liquid in the flushing pipeline is also clamped on the flushing pipeline between the filter and the flushing valve. In addition, a signal adapter 9 is arranged beside the flushing valve and is connected with the pressure sensor through a lead passing through the flushing valve. Meanwhile, the adapter 7 is also connected with a section of pressure measuring pipe 10, and one end of the pressure measuring pipe, which is not connected with the adapter, is fixedly connected with an external conical joint 11. Preferably, the external cone connector is of standard luer connector design. And in order to make the utility model discloses operation when taking a blood sample can be simple, swift, disconnection in the middle of the piezometric tube. A connecting terminal 12 is respectively arranged at the disconnection position of the piezometer tube, and a sampling mechanism 13 is detachably plugged on the two connecting terminals so as to conduct the disconnected piezometer tube. It should be noted that, after the sampling is completed, the sampling port of the sampling mechanism in this embodiment has an automatic closing function.

In the specific embodiment, the sampling mechanism with the sampling port capable of being automatically closed can be in various structural forms. In one preferred form, as shown in fig. 1, the sampling mechanism 13 comprises a sampling bladder 14, in which an inlet pipe 15 and an outlet pipe 16 are disposed in communication therewith. The liquid inlet pipe and the liquid outlet pipe are respectively detachably inserted in the connecting terminal 12. It should be noted that the sampling leather bag is made of silica gel and has certain elasticity, and the thickness of the wall of the sampling leather bag is 2-3 mm. After the needle hole is pricked by the needle, the sampling leather bag can be blocked by the needle hole through self elastic extrusion, thereby playing the effect of automatically closing the sampling port.

In addition, the condition that medical personnel or patients are stabbed by the needle head easily appears in the novel sampling mechanism of the sampling leather bag in the sampling process, and even the risk of cross infection exists. Therefore, the sampling mechanism can also adopt another preferable structure, as shown in fig. 2, the sampling mechanism comprises a needle-free infusion joint 17 and a connecting pipe 18, and the liquid inlet end of the needle-free infusion joint 17 is connected to the pipe wall of the connecting pipe. Meanwhile, two ends of the connecting pipe are detachably inserted into the connecting terminals.

As a further improvement of the above embodiment, in order to ensure the cleanliness of the outer conical joint surface of the present invention, a protective cap 19 is screwed on the outer conical joint 11.

As a further modification of the above embodiment, in order to prevent the stopper puncture device from stabbing a medical worker or a patient, a sheath 20 is provided on the stopper puncture device 2. The sheath is connected with the bottle stopper puncture outfit in a plugging way.

Claims (5)

1. Disposable has invasive pressure monitoring sensor, its characterized in that: the device comprises a flushing pipeline, and a bottle stopper puncture outfit, a dropping bottle, a filter, a flushing valve, a pressure sensor and a conversion joint which are sequentially connected in series through the flushing pipeline, wherein a flow rate regulator is clamped on the flushing pipeline between the filter and the flushing valve; a signal adapter communicated with the pressure detector is arranged beside the flushing valve; the conversion joint is connected with a pressure measuring pipe, one end of the pressure measuring pipe, which is not connected with the conversion joint, is provided with an outer conical joint, the middle of the pressure measuring pipe is disconnected, and connecting terminals are respectively arranged at the disconnected positions; the detachable of sampling mechanism is pegged graft in connecting terminal with the piezometer pipe of UNICOM disconnection, the sample connection of sampling mechanism can seal by oneself after accomplishing the sample.

2. The single use invasive pressure monitoring sensor of claim 1, wherein: the sampling mechanism comprises a sampling leather bag, a liquid inlet pipe and a liquid outlet pipe are arranged on the sampling leather bag in a communicated mode, and the liquid inlet pipe and the liquid outlet pipe are detachably inserted into the connecting terminals in an inserting mode.

3. The single use invasive pressure monitoring sensor of claim 1, wherein: the sampling mechanism comprises a needle-free infusion connector and a connecting pipe, wherein the liquid inlet end of the needle-free infusion connector is connected to the pipe wall of the connecting pipe, and the two ends of the connecting pipe are detachably inserted into the connecting terminal.

4. The single use invasive pressure monitoring sensor according to any one of claims 1 to 3, wherein: and the outer conical joint is screwed with a protective cap.

5. The single use invasive pressure monitoring sensor of claim 4, wherein: the bottle stopper puncture outfit is sleeved with a sheath.

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