JP2009195579A - Physiological salt solution inclusion body for invasive arterial pressure monitor system, and its manufacturing method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a physiological salt solution inclusion body for an invasive arterial pressure monitor system, which is reliably air-bled inside and filled with a physiological salt solution, and also which is completely assembled in a short time and easily utilized even in the case of emergency. <P>SOLUTION: The physiological salt solution inclusion body includes: a medical tubular body 10 filled with the physiological salt solution; the first connection structure body 30 whose distal end is sealed at one end of the medical tubular body 10 and which is connected to an indwelling needle 200 to puncture a patient; and the second connection structure body 40 whose distal end is sealed at the other end and which is connected to a physiological salt solution bag 300. A transducer part 20 is arranged close to the middle of the medical tubular body 10. In manufacturing, air-bleeding is reliably performed by filling the physiological salt solution through a liquid injection T shape stop cock 13 close to the side of the transducer part 20, while performing air-bleeding. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a circuit (dedicated line) for supplying physiological saline in an invasive monitoring system. The physiological saline may be a heparin-added physiological saline to which heparin is added.

  An invasive arterial pressure monitoring system is widely used to monitor heart rate and blood pressure fluctuations in patients with unstable cardiac function and blood pressure. For example, it is widely used for hemodynamic monitoring and condition monitoring of patients in an intensive care unit (ICU) in catheter examinations in cardiovascular surgery and cardiovascular medicine.

The invasive arterial pressure monitoring system obtains various data of arterial pressure by directly monitoring blood pressure fluctuations in a blood vessel via an indwelling needle pierced in a blood vessel of a patient. Saline is supplied to the indwelling needle, and monitoring is performed by a transducer that senses pressure through the saline.
The circuit that conducts this physiological saline from the physiological saline bag (500 cc soft bag filled with physiological saline) to the indwelling needle is called a dedicated line, which consists of a pre-sterilized medical tube. In the path, a transducer part provided with a transducer for sensing pressure from the flowing blood flow and a cable for outputting data to the monitor main unit are provided.
In addition, the liquid put into a dedicated line and a physiological saline bag puts the same quality liquid. For example, when heparin-added physiological saline with heparin added is used as physiological saline, heparin-added physiological saline is used for both the dedicated line and the physiological saline bag.

This invasive arterial pressure monitoring system is dynamically assembled and used by the following procedure immediately before being used in an operating room or the like.
(Procedure 1) The physiological saline bag is connected to a dedicated line, and the physiological saline bag is connected to the dedicated line.
(Procedure 2) Saline is poured from the saline bag into the dedicated line and filled.
(Procedure 3) After removing the buffering air enclosed in the physiological saline bag, the physiological saline bag is pressurized with the pressure bag, and pressurized until the pressure becomes 300 mmHg.
In addition, since the pressure of the physiological saline bag is set to 300 mmHg, the blood pressure is appropriately higher than the arterial pressure of the patient. Water can flow in.
(Procedure 4) Thoroughly vent the fine bubbles in the dedicated line, and drop the liquid slightly.
(Procedure 5) Connect to the indwelling needle punctured into the patient's artery, and connect the cable to the monitor main unit.
The fluctuation of the arterial pressure in the dedicated line is converted into an electrical signal by a transducer, signal processing is performed in the main body device via a cable, and graphs and numerical values such as heart rate and blood pressure are displayed on the display device.

  In order to perform invasive arterial pressure monitoring, it was necessary to perform the above procedure every turn using a physiological saline bag and a dedicated line.

JP 2006-346451 A

  The assembly of the saline bag and the dedicated line of the conventional invasive arterial pressure monitoring system has the following problems.

The first problem is that assembly takes time.
In the assembly of the physiological saline bag and the dedicated line of the conventional invasive arterial pressure monitoring system, it is necessary to perform the above-described five procedures, so that even a skilled nurse takes about 10 minutes. This time of 10 minutes is precious and regarded as a problem in the medical field.

  Of the above five procedures, a particularly time-consuming operation is an operation of properly removing the air in the dedicated line and the physiological saline bag and filling the dedicated line with the physiological saline. If air remains in the dedicated line, the air may enter the artery as it is, so thorough air bleeding is required. This is because if air enters the artery, it becomes arterial embolism and may cause limb peripheral ischemia. However, it is difficult to reliably remove fine air from this dedicated line, and it takes time to perform carefully.

The second problem is difficulty in dealing with urgency.
The invasive monitoring system may be used for emergency surgery for acute heart diseases such as myocardial infarction patients and heart failure patients, and may be used for emergency surgery for sudden accidents such as traffic accidents. When dealing with such an urgency, it is contesting for 1 minute and 1 second, and it is a heavy burden to have one nurse carry out the assembly work of such an invasive monitor system for nearly 10 minutes in this situation. It has become.
In particular, there is a demand for a pre-filled dedicated line that eliminates the need for time-consuming air removal from the dedicated line. However, at present, such a pre-filled dedicated line is not provided. Moreover, in the case of cardiovascular surgery, it is necessary to prepare a plurality of such invasive monitoring systems for monitoring systemic arterial pressure, pulmonary artery monitoring, and the burden is further increased.

  In view of the above problems, the present invention provides a physiological saline enclosure for an invasive arterial pressure monitoring system that can be easily assembled even in an emergency, and a method for producing the same. The purpose is to provide.

In order to achieve the above object, a physiological saline inclusion body for an invasive arterial pressure monitoring system of the present invention described in claim 1 comprises:
Physiology for an invasive arterial pressure monitoring system that measures the state of the patient's artery by detecting the state of the physiological saline filled in a dedicated line invading the patient's artery via an indwelling needle with a transducer A saline enclosure,
A medical tube body filled with the physiological saline;
A first connection structure which is provided at the one end of the medical tube body and whose tip is sealed and which can be connected to the indwelling needle;
A second connection structure that is provided at the other end of the medical tube body and sealed at the tip thereof, and is connectable to the physiological saline bag;
A transducer section provided near the middle of the medical tube body is provided.
With the above configuration, a pre-filled saline solution can be prepared, and an indwelling needle and a saline bag can be easily assembled on the spot in a short time and can be easily handled in an emergency. A system can be provided.

  Next, a physiological saline enclosure for an invasive arterial pressure monitoring system according to a second aspect of the present invention is the configuration of the first aspect, further comprising a liquid reservoir that can be pressed by the first connection structure, When the tip of the first connection structure is broken and connected to the indwelling needle, the liquid reservoir is pressed to drop the physiological saline from the tip and vent the air to connect to the indwelling needle. It is possible to do that.

Further, a physiological saline enclosure for an invasive arterial pressure monitoring system according to claim 3 is provided with a liquid reservoir that can be pressed by the second connection structure in the configuration of claim 1 or 2. When the seal of the tip of the second connection structure is broken and connected to the saline bag, the saline is pressed while the saline is dripped from the tip to release the air. It is possible to connect to a water bag.
With the above configuration, when the sealed first connection structure and second connection structure are opened, a small amount of air may be mixed from the opening, but a liquid reservoir is provided to It can be connected to the indwelling needle and saline bag while pushing the reservoir while dropping the tip and dropping physiological saline to push the air outward, and easily venting the air at the place of connection Can do.

Next, the physiological saline enclosure for the invasive arterial pressure monitoring system according to claim 4 is the three-way stopcock provided in the configuration of claim 1 near the transducer portion of the medical tube body. The physiological saline is injected toward the distal end of the first connection structure and the distal end of the second connection structure of the medical tube body, and the physiological saline is injected into the medical tube body It is characterized by being enclosed.
According to the above configuration, when the physiological saline is injected into the physiological saline inclusion body, if the air is injected from the vicinity of the transducer where the air is likely to remain, the air can be easily released, and the possibility of the air remaining is reduced. To do.

The physiological saline in any one of claims 1 to 4 may be a physiological saline without other additives, or may be other additives such as a heparin-added physiological saline to which heparin is added.
Next, the first production method of the saline inclusion body for the invasive arterial pressure monitoring system of the present invention described in claim 6 is as follows.
Physiology for an invasive arterial pressure monitoring system that measures the state of the patient's artery by detecting the state of the physiological saline filled in a dedicated line invading the patient's artery via an indwelling needle with a transducer A method for producing a saline enclosure,
Inject the physiological saline into the first connection structure that can be connected to the indwelling needle at one end, the second connection structure that can be connected to a physiological saline bag at the other end, and the transducer part near the middle. To the medical tube body equipped with a liquid injection three-way stopcock near the transducer part,
The vicinity of the liquid injection three-way stopcock is kept low, the first connection structure and the second connection structure are kept high, and the physiological saline is supplied from the liquid injection three-way stopcock located on the lower side at a predetermined pressure. After injecting and surely releasing the air from the transducer part, the first connection structure, and the second connection structure, the tip of the three-way cock and the tip of the first connection structure And the method of sealing the tip of the second connection structure.
According to the above production method, when the physiological saline is injected into the physiological saline inclusion body, if the air is injected from the vicinity of the transducer where the air is likely to remain, the air in the transducer can be easily released. The risk of remaining is reduced.
For example, when a mechanism for increasing the internal pressure of the dedicated line to a predetermined pressure is incorporated in the vicinity of the transducer, it is preferable to inject physiological saline at a predetermined pressure while releasing the pressure increasing mechanism.

Next, the second production method of the physiological saline inclusion body for the invasive arterial pressure monitoring system of the present invention described in claim 7 is:
Physiology for an invasive arterial pressure monitoring system that measures the state of the patient's artery by detecting the state of the physiological saline filled in a dedicated line invading the patient's artery via an indwelling needle with a transducer A method for producing a saline enclosure,
A medical tube body having a first connection structure connectable to the indwelling needle at one end, a second connection structure connectable to a physiological saline bag at the other end, and a transducer portion near the middle for,
Either one of the first connection structure or the second connection structure is low, the transducer section is in the middle, and the other of the first connection structure or the second connection structure is high. Keep and inject the physiological saline at a predetermined pressure from the lower position, collect the physiological saline from the upper position, and the first connecting structure and the This is a method of sealing the distal end of the first connection structure and the distal end of the second connection structure after surely bleeding the transducer part and the second connection structure.
According to the production method described above, when the physiological saline is injected into the physiological saline enclosure, if it is injected toward the second connection structure located higher than the vicinity of the transducer where air tends to remain. Transducer air can be easily vented, reducing the risk of air remaining.

In the first production method and the second production method, when the air is released, fine bubbles are generated by vibrating the transducer unit, the first connection structure, and the second connection structure. It is preferable to knock out.
With the above configuration, fine air can be exhausted thoroughly.

  According to the physiological saline inclusion body for the invasive arterial pressure monitoring system of the present invention according to the present invention, a pre-filled physiological saline solution can be always prepared, and an indwelling needle or a physiological saline bag can be easily used. It is possible to provide an invasive monitoring system that can be assembled in a short time on site and can easily cope with an emergency.

  Hereinafter, a physiological saline enclosure for an invasive arterial pressure monitoring system of the present invention and a production method thereof will be described in detail based on embodiments shown in the accompanying drawings. The present invention is not limited to these examples.

A physiological saline enclosure 100 for an invasive arterial pressure monitoring system according to Example 1 of the present invention will be described.
FIG. 1 is a diagram schematically illustrating a configuration example of a physiological saline enclosure 100 according to a first embodiment of the present invention. In addition, when constructing an invasive arterial pressure monitoring system, an indwelling needle 200 inserted into a patient, a physiological saline bag 300, and an invasive arterial pressure monitoring system main unit 400 are also illustrated.

  As shown in FIG. 1, the physiological saline enclosure 100 of the present invention includes a medical tube 10, a transducer unit 20, a first connection structure 30, and a second connection structure 40. The physiological saline filled inside may be a physiological saline without other additives, or other additive, for example, heparin-added physiological saline with heparin added, and is used in an invasive arterial pressure monitor. Any physiological saline to which the additive to be obtained is added may be used.

  The medical tube 10 is filled with physiological saline. It may be made of soft vinyl for a medical tube, and is set to an internal pressure of 300 mmHg higher than the arterial pressure when boosted by connecting with the physiological saline bag 300 as will be described later, and can sufficiently withstand the internal pressure. Need to be. The material must be able to withstand sterilization chemicals.

  The medical tube 10 is tubularly connected from one end to the other end. The first medical tube portion 11, the air vent three-way stopcock 12, the liquid injection three-way stopcock 13, the second tube portion 14, the second Each part of the liquid reservoir 15 is provided.

  The first medical tube portion 11 is a portion from the tip of the first connection structure 30 to the liquid injection three-way cock 13. In addition, the opening | mouth of the front-end | tip of the 1st connection structure 30 is sealed.

The air vent three-way stopcock 12 is provided in the vicinity of the first connection part 30, and when the indwelling needle 200 is inserted into the patient and the first connection part 30 of the arterial pressure line is connected, the air remaining in the connection part is removed. This is the part to be extracted. For example, in the process of collecting the patient's blood from the indwelling needle 200, air can be released from the connection portion of the first connection portion 30 of the arterial pressure line at the same time.
In the configuration of FIG. 1, the air vent three-way stopcock 12 is provided in the vicinity of the first connection portion 30, but is not limited to this position, and the first from the vicinity of the first connection portion 30 to the liquid injection three-way stopcock 13 is provided. Any one place of the medical tube portion 11 may be used, and the air venting three-way stopcock 12 and a liquid injection three-way stopcock 13 described later may serve as one three-way stopcock.

  The liquid injection three-way stopcock 13 is a portion that becomes a mouth into which physiological saline is injected in the process of producing the physiological saline enclosure 100 as described later. The part is provided in the vicinity of the transducer unit 20. If physiological saline is injected from the injection port of the liquid injection three-way stopcock 13, physiological saline is injected simultaneously toward both the first medical tube portion 11 and the second medical tube portion 14 on the left and right. go.

  The second medical tube portion 14 is a portion from the tip of the second connection structure 40 to the liquid injection three-way cock 13. In addition, the opening | mouth of the front-end | tip of the 2nd connection structure 40 is sealed.

  The second liquid reservoir 15 is a buffer portion that becomes a liquid reservoir of the second medical tube portion 14 in the vicinity of the second connection structure 40, and can be easily pressed with a finger of a nurse or the like as will be described later. Easy to vent.

  The transducer part 20 is a sensor part provided in a part of the medical tube 10, and the wall surface of the medical tube 10 in the transducer part 20 is thin and flexible, and vibrates in accordance with changes in internal pressure. The wall surface is easy and includes a sensor that detects vibration of the wall surface inside the transducer unit 20. The sensor may be any sensor that can detect a change in fluid pressure, such as a pressure sensor. The fluctuation of the internal pressure in the medical tube 10 detected by the transducer unit 20 is output as an electrical signal and transmitted to the invasive arterial pressure monitor system main unit 400 via a connector.

The first connection structure 30 is a connector that can be connected to an indwelling needle 200 drilled in a patient. A connector structure corresponding to the indwelling needle 200 may be employed.
At the time of regular maintenance, the tip of the first connection structure 30 is sealed so as not to leak. When constructing an invasive arterial pressure monitoring system, a structure that can be opened quickly is preferable. For example, if the vinyl tube is sealed by thermocompression bonding, the tip of the vinyl tube may be threaded. Moreover, if it is screwed and sealed with a screw cap, the structure can be easily removed with a human finger or hand, such as turning the cap to easily unscrew and open the tip.

The second connection structure 40 is a connector that can be connected to the physiological saline bag 300. The connector structure should just employ | adopt the thing corresponding to the physiological saline bag 300. FIG.
At the time of regular installation, the tip of the second connection structure 40 is sealed so as not to leak. When constructing an invasive arterial pressure monitoring system, a structure that can be opened quickly is preferable. For example, if the vinyl tube is sealed by thermocompression bonding, the tip of the vinyl tube may be threaded. Moreover, if it is screwed and sealed with a screw cap, the structure can be easily removed with a human finger or hand, such as turning the cap to easily unscrew and open the tip.

  Moreover, it is also possible to use a twisting cap that is a pseudo needle as shown in FIG. A needle 41 is provided at the tip of the second connection structure 40, and a twist cap 42 is provided so as to cover the needle 41. That is, the needle 41 is completely sealed by the second connection structure 40 and the twist cap 42. As shown in FIG. 2A, the tip of the twist cap 42 has a needle shape so that it can be connected to the physiological saline bag 300 as a pseudo needle as shown in FIG. 2B. It has become. After inserting the tip of the twist cap 42 of the second connection structure 40 into the physiological saline bag 300, the second connection structure 40 is pressed while holding the twist cap 42 as shown in FIG. When the screw cap 42 is twisted by rotating left and right, the needle 41 is exposed as shown in FIG. 2D, and the physiological saline bag 300 and the second connection structure 40 are electrically connected. Saline can be taken up.

Next, a procedure for constructing an open arterial pressure monitoring system using the physiological saline inclusion body 100 will be described.
FIG. 3 is a diagram schematically illustrating a procedure for constructing an invasive arterial pressure monitoring system using the physiological saline inclusion body 100 according to the first embodiment.

  (Procedure 1) First, as shown in FIG. 3 (a), the tip of the second connection structure 40 of the physiological saline enclosure 100 is unsealed and opened, and the second liquid reservoir 15 is opened with a finger. The second connection structure 40 is connected to the connection port of the physiological saline bag 300 while being pressed and dropped from the tip, and the physiological saline bag and the physiological saline enclosure 100 are conducted. The physiological saline bag and the physiological saline enclosure 100 can be made conductive without air mixing.

  (Procedure 2) Pressurize the physiological saline bag with a pressure bag and pressurize until the pressure becomes 300 mmHg. The internal pressure of the physiological saline enclosure 100 connected to the physiological saline bag is also increased to 300 mmHg. In addition, when the buffering air is enclosed in the physiological saline bag, the said buffering air is extracted before the pressurization with a pressurization bag.

(Procedure 3) As shown in FIG. 3 (b), the first connection structure is opened so that the tip of the first connection structure 30 of the physiological saline enclosure 100 is unsealed and opened. The body 30 is connected to an indwelling needle punctured into the patient's artery, and the human artery and the physiological saline enclosure 100 are conducted. A cable is connected to the monitor main unit.
The fluctuation of the internal pressure of the medical tube 10 due to the fluctuation of the arterial pressure is captured by the transducer 20 and converted into an electrical signal, signal processing is performed in the main body device via the cable, and a graph such as heart rate and blood pressure is displayed on the display device. Display numerical values.
As a means for removing a small amount of residual air that may be generated when the first connection structure 30 is connected to the indwelling needle 200, there is a means that uses the air vent three-way stopcock 12. The air vent three-way stopcock 12 can be used to collect blood from a patient's blood vessel via the indwelling needle 200, and can also vent the remaining small amount of air.

  According to the above three procedures, an invasive arterial pressure monitoring system can be constructed in a short time and easily as shown in FIG. As shown in the prior art, the conventional method requires five procedures, and according to the physiological saline enclosure 100 of the present invention, the operation of filling the physiological tube 10 with the physiological saline in particular compared with the conventional method. Labor-saving work such as air removal.

Next, a method for producing the physiological saline enclosure 100 of the present invention will be described.
The physiological saline enclosure 100 is filled and filled with physiological saline, but it is necessary to exhaust the air thoroughly. The inside of the medical tube 10 is not a simple tube, but has a structure such as the transducer portion 20 and the like, and air is likely to accumulate, and air removal becomes a problem in the mass production process. In the production method of the physiological saline enclosure 100 of the present invention, a technique for surely venting air has been established.

First, the first production method will be described.
FIG. 5 is a diagram schematically showing the direction of filling and bleeding of physiological saline in the first production method of the physiological saline enclosure 100 of the present invention. In FIG. 5, only the supply pipe 510 and the T-shaped discharge pipe 520 are shown in the configuration of the sealing device 500 used in the first production method. Although not shown, the main body portion of the sealing device 500 has a function of filling physiological saline from the supply pipe 510 into a dedicated line and collecting the physiological saline overflowing from the T-shaped discharge pipe 520.

  The supply pipe 510 is located at the lower part and supplies physiological saline dropwise from the lower part to the upper part. The T-shaped discharge pipe 520 is located at the upper part and receives and recovers a physiological saline solution flowing in two hands from below.

  As shown in FIG. 5, the physiological saline enclosure 100 is connected to the supply pipe 510 with the liquid injection three-way cock 13 positioned at the lowest position, and the first connection structure 30 and the second connection structure 40. Is set in the sealing device so as to be connected to the T-shaped discharge pipe 520. As described above, the liquid injection three-way cock 13 is provided in the vicinity of the transducer section 20, and the transducer section 20 is also generally positioned at the lowest position.

  As shown in FIG. 5, physiological saline is gently injected from the supply pipe 510 toward the liquid injection three-way cock 13. The physiological saline is filled into the medical tube 10 from the liquid injection three-way stopcock 13 to the left and right at the same time. That is, the vicinity of the liquid injection three-way cock 13 is kept low, the first connection structure 30 and the second connection structure 40 are kept high, and physiological saline is supplied at a predetermined pressure from the liquid injection three-way cock 13 located on the lower side. Inject.

  The physiological saline is divided into left and right from the liquid injection three-way cock 13 and rises toward the first connection structure 30 and the second connection structure 40, and the air bleeding three-way cock 12 and the second liquid reservoir 15 are moved. It fills and is collected from the T-shaped discharge pipe 520 via the first connection structure 30 and the second connection structure 40.

  Here, in the first embodiment, when releasing air, the transducer unit 20, the first connection structure 30, and the second connection structure 40 are vibrated to devise fine bubbles. By applying vibration in this way, fine bubbles are knocked out, the bubbles rise in the medical tube 10 along the flow of physiological saline, and the air remaining in each part can be surely removed. . As a method of giving vibration, a motor-type vibrator or ultrasonic vibrator may be applied to the medical tube 10 or the like to vibrate.

Thereafter, the distal end portion of the first connection structure 30 and the connection portion of the second connection structure 40 are sealed to seal the internal physiological saline. For example, as a sealing method, the soft vinyl pipe may be pressed and sealed by thermocompression. The liquid injection three-way cock 13 closes the cock so that physiological saline does not leak.
The above production method can also be used in the mass production process, and the physiological saline inclusion body 100 of the present invention can be produced.

Next, the second production method will be described.
FIG. 6 is a view schematically showing the direction of filling and bleeding of physiological saline in the second production method of the physiological saline enclosure 100 of the present invention. FIG. 6 shows only the supply pipe 510a and the discharge pipe 520a in the configuration of the sealing device 500 used in the second production method. Although not shown, the main body portion of the sealing device 500 has a function of filling physiological saline into the dedicated line from the supply pipe 510a and collecting physiological saline overflowing from the discharge pipe 520a, as in FIG.

  The supply pipe 510a is located at the lower part and supplies physiological saline dropwise from the lower part to the upper part. The discharge pipe 520a is located at the upper part and receives and recovers the physiological saline flowing from below.

  In the physiological saline enclosure 100, either the first connection structure 30 or the second connection structure 40 is lowered, and the first connection structure 30 or the second connection structure 30 or the second connection structure 40 is lowered in the middle. By keeping the other side of the connection structure 40 high, injecting physiological saline at a predetermined pressure from the lower side and recovering the physiological saline from the upper side. Fill with saline.

  In the example of FIG. 6, as an example, the first connection structure 30 is positioned below, and the second connection structure 40 is positioned above.

  In the state of FIG. 6, the tip of the first connection structure 30 is connected to the supply pipe 510a, the tip of the second connection structure 40 is connected to the discharge pipe 520a, and physiological saline is directed upward from the supply pipe 510a. By dripping water, the physiological saline rises toward the second connection structure 40, fills the air vent three-way cock 12, the transducer unit 20, and the second liquid reservoir 15, and the second connection structure. 40 through the discharge pipe 520a.

  In this example as well, it is preferable to devise a way to vibrate the transducer unit 20, the first connection structure 30, and the second connection structure 40 so as to knock out fine bubbles. By applying vibration, fine bubbles are knocked out, and the bubbles rise in the medical tube 10 along the flow of physiological saline, so that the air remaining in each part can be surely removed.

Thereafter, two portions of the distal end portion of the first connection structure 30 and the connection portion of the second connection structure 40 are sealed to seal the internal physiological saline. For example, as a sealing method, the soft vinyl pipe may be pressed and sealed by thermocompression.
The above production method can also be used in the mass production process, and the physiological saline inclusion body 100 of the present invention can be produced.

  As described above, according to the physiological saline inclusion body 100 of the present invention according to the first embodiment, a physiological saline pre-filled one can be provided in advance, and can be easily placed on the spot with an indwelling needle or a physiological saline bag. It is possible to provide an invasive monitoring system that can be assembled in a short time and can easily cope with an emergency.

  As mentioned above, although the preferable Example in the structural example of the physiological saline enclosure of this invention was illustrated and demonstrated, it is understood that various changes are possible without deviating from the technical scope of this invention. I will.

  The physiological saline inclusion body of the present invention can be used in an invasive monitoring system.

The figure which shows typically the structural example of the physiological saline enclosure 100 of this invention. The figure which showed the structural example which seals the front-end | tip of a 2nd connection structure using the twisting cap used as the pseudo needle. The figure which showed typically the procedure which constructs an invasive arterial pressure monitoring system using the physiological saline enclosure 100 Diagram showing an example of construction of an invasive arterial pressure monitoring system The figure which showed typically the filling direction of the physiological saline in the 1st production method of the physiological saline enclosure 100 of this invention, the direction of air bleeding, etc. The figure which showed typically the filling of the physiological saline, the direction of air release, etc. in the 2nd production method of the physiological saline enclosure 100 of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Medical tube 11 1st medical tube part 12 Air bleeding three-way cock 13 Liquid injection three-way cock 14 Second tube part 15 2nd liquid reservoir 20 Transducer part 30 1st connection structure 40 2nd connection Structure 41 Needle 42 Twist cap 100 Physiological saline inclusion body 200 Indwelling needle 300 Physiological saline bag 400 Open blood pressure monitor system main body device 500 Encapsulating device 510, 510a Supply pipe 520, 520a Drain pipe

Claims (8)

Physiology for an invasive arterial pressure monitoring system that measures the state of the patient's artery by detecting the state of the physiological saline filled in a dedicated line invading the patient's artery via an indwelling needle with a transducer A saline enclosure,
A medical tube body filled with the physiological saline;
A first connection structure which is provided at the one end of the medical tube body and whose tip is sealed and which can be connected to the indwelling needle;
A second connection structure that is provided at the other end of the medical tube body and sealed at the tip thereof, and is connectable to the physiological saline bag;
A physiological saline enclosure for an invasive arterial pressure monitoring system, comprising a transducer provided near the middle of the medical tube body.   The first connection structure is provided with a pressurizable liquid reservoir, and the liquid reservoir is pressed from the tip by breaking the seal at the tip of the first connection structure and connecting to the indwelling needle. The physiological saline enclosure for an invasive arterial pressure monitoring system according to claim 1, wherein the physiological saline can be dropped and connected to the indwelling needle while releasing air.   The second connection structure includes a pressurizable liquid reservoir, and when the second connection structure is broken to seal the tip of the second connection structure and connected to the physiological saline bag, the liquid reservoir is pressed to The physiological saline enclosure for an invasive arterial pressure monitoring system according to claim 1, wherein the physiological saline can be connected to the physiological saline bag while allowing the physiological saline to drip from the tip to release air.   The physiological saline from the three-way cock provided near the transducer portion of the medical tube body toward the distal end of the first connection structure and the distal end of the second connection structure of the medical tube body The physiological saline enclosure for an invasive arterial pressure monitoring system according to claim 1, wherein water is injected and the physiological saline is enclosed in the medical tube.   The physiological saline inclusion body for an invasive arterial pressure monitoring system according to any one of claims 1 to 4, wherein the physiological saline is a heparin-added physiological saline to which heparin is added. Physiology for an invasive arterial pressure monitoring system that measures the state of the patient's artery by detecting the state of the physiological saline filled in a dedicated line invading the patient's artery via an indwelling needle with a transducer A method for producing a saline enclosure,
Inject the physiological saline into the first connection structure that can be connected to the indwelling needle at one end, the second connection structure that can be connected to a physiological saline bag at the other end, and the transducer part near the middle. To the medical tube body equipped with a liquid injection three-way stopcock near the transducer part,
The vicinity of the liquid injection three-way stopcock is kept low, the first connection structure and the second connection structure are kept high, and the physiological saline is supplied from the liquid injection three-way stopcock located on the lower side at a predetermined pressure. After injecting and surely releasing the air from the transducer part, the first connection structure, and the second connection structure, the tip of the three-way cock and the tip of the first connection structure And a method for producing a physiological saline enclosure for an arterial pressure monitoring system for sealing an end of the second connection structure. Physiology for an invasive arterial pressure monitoring system that measures the state of the patient's artery by detecting the state of the physiological saline filled in a dedicated line invading the patient's artery via an indwelling needle with a transducer A method for producing a saline enclosure,
A medical tube body having a first connection structure connectable to the indwelling needle at one end, a second connection structure connectable to a physiological saline bag at the other end, and a transducer portion near the middle for,
Either one of the first connection structure or the second connection structure is low, the transducer section is in the middle, and the other of the first connection structure or the second connection structure is high. Keep and inject the physiological saline at a predetermined pressure from the lower position, collect the physiological saline from the upper position, and the first connecting structure and the For an invasive arterial pressure monitoring system that seals the distal end of the first connection structure and the distal end of the second connection structure after surely bleeding the transducer part and the second connection structure Of producing a physiological saline inclusion body.   The view according to claim 5 or 6, wherein when the air is released, fine bubbles are knocked out by applying vibration to the transducer section, the first connection structure, and the second connection structure. A method for producing a saline inclusion body for a blood arterial pressure monitoring system.

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