Infusion chamber with integrated regulator and locking device, and infusion set including the same.

Abstract

The present invention relates to a regulator-integrated intravenous infusion chamber having a locking device and an infusion set including the same, and more particularly to a regulator-integrated intravenous infusion chamber having a locking device, which is connected to an infusion bag and to which the infusion fluid from the infusion bag is supplied, comprising: a body portion connected to the infusion bag, into which the infusion fluid stored in the infusion bag is supplied in droplet form, provided with a discharge hole, and having a lower end to which a supply hose is connected; a regulator integrally coupled to one side of the lower part of the body portion and adjusting the flow rate of the infusion fluid supplied from the body portion to the supply hose; and a filter member provided on one side inside the lower end of the body portion, wherein the regulator comprises an upper body portion, a lower body portion, a gasket interposed between the upper body portion and the lower body portion, and a locking device for restricting or releasing the rotation of the lower body portion.

Description

Technical Field

[0001] The present invention relates to an integrated regulator drip chamber having a locking device and an infusion set including the same.

Background Art

[0002] An infusion set is a type of medical device used to inject infusion into the human body for medical purposes. The configuration of a general infusion set includes an infusion bag, a drip chamber for draining the infusion from the infusion bag, a supply hose (tube) connected to the drip chamber, an infusion regulator for adjusting the amount of infusion passing through the supply tube, a catheter inserted into the patient's blood vessel, and the like.

[0003] FIG. 1 is a schematic diagram showing a normal infusion set.

[0004] Further, the drip chamber includes a body portion for storing a certain amount of infusion, an inlet through which the infusion flows into the drip chamber via a spike inserted into the infusion bag, and an outlet for discharging the infusion stored in the drip chamber to the supply hose.

[0005] When administering an infusion to a patient using the conventional infusion set as described above, when all the infusion has been administered to the patient, the infusion bag must be immediately replaced, or the administration of the infusion must be terminated and the catheter removed from the patient's blood vessel.

[0006] This is because when the infusion in the infusion set is left depleted, dangerous situations such as air flowing into the patient's blood vessel through the supply tube or blood flowing back through the supply tube due to a pressure difference may occur.

[0007] Therefore, the conventional infusion set has the inconvenience that doctors, nurses or caregivers must frequently check the remaining amount of the infusion stored in the infusion bag or the drip chamber.

[0008] To solve these problems, Korean Patent Publication No. 10-1027081 (March 29, 2011) and others disclose a blood backflow prevention device configured such that a buoyancy ball having a weight and size that allows it to float on top of the infusion fluid is placed inside the drip chamber of an infusion set, and when all the infusion fluid in the drip chamber is drained, the buoyancy ball descends and blocks the outlet of the infusion fluid.

[0009] Furthermore, Korean Patent Publication No. 10-0792805 (January 2, 2008) discloses a power-free liquid level sensing device that includes a magnetic float that floats according to the water level of the infusion filled in the drip chamber of an infusion set, at least two magnetic proximity switches installed at regular intervals outside the drip chamber and outputting on / off signals depending on the position of the float, and an interface connector that electrically connects the signal output terminals of the magnetic proximity switches to an emergency notification system or alarm unit provided in the hospital.

[0010] However, such conventional floating components float according to the level of the infusion fluid and have a structure that makes it difficult to accurately block the discharge port of the infusion chamber.

[0011] Conventional technologies like these can only determine when the fluid supply from the IV bag is complete; they do not address the means or challenges of accurately delivering the set amount of fluid to the patient from the IV bag. [Overview of the project] [Problems that the invention aims to solve]

[0012] Therefore, the present invention was devised to solve the conventional problems described above, and according to embodiments of the present invention, the regulator for adjusting the amount of infusion supplied is provided integrally with the infusion chamber rather than on one side of the supply hose, thereby enabling the construction of a more compact infusion chamber and achieving convenience in the assembly and placement of the infusion set. The objective is to provide a regulator-integrated infusion chamber with a locking device and an infusion set including the same.

[0013] According to embodiments of the present invention, the objective is to provide a regulator-integrated infusion chamber with a locking device and an infusion set including the same, which prevents the risk of the regulator malfunctioning during the supply of infusion fluid by the patient, guardian, or other person, by providing a locking device on the regulator.

[0014] Furthermore, according to an embodiment of the present invention, the objective is to provide a regulator-integrated infusion chamber with a locking device and an infusion set including the same, which can determine the supplied infusion volume and supply rate by installing a flow rate measuring unit, composed of an optical sensor or the like, in the infusion chamber, and control the flow rate adjustment unit so that the infusion is supplied at the set supply volume and supply rate.

[0015] Furthermore, according to embodiments of the present invention, the objective is to provide a regulator-integrated infusion chamber with a locking device and an infusion set including the same, which can monitor the amount of infusion supplied to the patient based on the amount of infusion supplied from the infusion bag and the remaining amount by including a water level sensor to determine the amount of infusion fluid remaining from the infusion chamber to the catheter, and control the actual amount of infusion injected so that it corresponds to the set supply amount.

[0016] Furthermore, the technical problems that the present invention aims to solve are not limited to those described above, and other technical problems not described can be clearly understood by a person with ordinary skill in the art to which the present invention belongs from the following description. [Means for solving the problem]

[0017] The first object of the present invention can be achieved by a regulator-integrated drip chamber having a locking device, characterized in that the regulator comprises an upper body portion, a lower body portion, a gasket interposed between the upper body portion and the lower body portion, and a locking device for restricting or releasing the rotation of the lower body portion. The drip chamber is connected to an infusion bag and supplied with the infusion fluid from the infusion bag, and includes a body portion connected to the infusion bag, into which the infusion fluid stored in the infusion bag is supplied in droplet form, and has a discharge hole and a lower end portion to which a supply hose is connected; a regulator integrally coupled to one side of the lower part of the body portion and for adjusting the flow rate of the infusion fluid supplied from the body portion to the supply hose; and a filter member provided on one side inside the lower end of the body portion, wherein the regulator comprises an upper body portion, a lower body portion, a gasket interposed between the upper body portion and the lower body portion, and a locking device for restricting or releasing the rotation of the lower body portion.

[0018] Furthermore, the upper body portion is integrally connected to one side of the lower part of the body portion and has a discharge hole formed on one side of the lower end surface and a central rotating shaft protruding downward from the center of the lower end surface, and the lower body portion is provided with a rotating shaft introduction groove into which the central rotating shaft is inserted and a supply hole formed on one side of the upper end surface, and the amount of infusion supplied is adjusted by the rotation of the lower body portion through the central rotating shaft.

[0019] Furthermore, the locking device includes an insertion groove formed at the lower end of the central rotating shaft, a locking device body interposed between the central rotating shaft and the rotating shaft introduction groove, with a lower end hole and internal screw threads formed on its inner surface, a central member fitted into the lower end hole and having a locking end with external screw threads that screw-connect to the internal screw threads, and a tightening part for rotating the central member, characterized in that, in lock mode, the operation of the tightening part connects the upper end of the central member to the insertion groove by interference fit, thereby restricting the rotation of the lower body.

[0020] Furthermore, a screw thread is formed on the lower outer surface of the central rotating shaft, the rotating shaft introduction groove is configured as a tube with notches that are spaced apart from each other in the circumferential direction, the central rotating shaft is connected through the rotating shaft introduction groove so that the screw thread is guided downward, and the locking device includes a body connected to the lower side of the central rotating shaft via an internal screw thread, and a tightening part connected to the end of the lower end of the body for rotating the body, and in lock mode, the operation of the tightening part pressurizes and compresses the rotating introduction groove, thereby restricting the rotation of the lower body.

[0021] Furthermore, the device includes: a flow rate measuring unit installed on one side of the main body that senses intravenous fluid droplets passing through the main body and measures the amount of intravenous fluid supplied; a floating member that floats in the intravenous fluid stored in the main body and closes the discharge hole when the supply of intravenous fluid to the supply hose is complete; and a supply flow rate calculation unit that receives the measured value and calculates the supply flow rate and the total amount supplied based on the cycle of the intravenous fluid droplets or the number of intravenous fluid droplets supplied within a predetermined cycle; wherein the flow rate measuring unit is composed of at least one of an optical sensor, an infrared sensor, or a laser sensor and measures the supplied intravenous fluid droplets.

[0022] The second object of the present invention can be achieved by an infusion set including a regulator-integrated drip chamber having a locking device, comprising an infusion bag, a drip chamber according to the first object described above, a supply hose, and a catheter, wherein the set includes: a flow rate adjustment unit provided on one side of the supply hose for adjusting the supply flow rate; and a management server having a supply flow rate calculation unit that receives a measurement value measured by a flow rate measuring unit and calculates the supply flow rate and the total amount supplied based on the infusion drop cycle or the number of infusion drops supplied within a predetermined cycle.

[0023] Furthermore, the system is characterized by including: a setting unit for setting the infusion supply volume and supply rate; and a control unit for controlling the flow rate adjustment unit based on the measured value and the set supply rate, and for interrupting the infusion supply when the total infusion supply volume reaches the set supply volume.

[0024] Furthermore, the control unit includes a water level sensor for measuring the water level of the infusion in the drip chamber, and a residual infusion calculation unit for calculating the remaining amount of infusion up to the end of the drip chamber, supply hose, and catheter according to the water level in the drip chamber. The control unit controls the flow rate adjustment unit so as to interrupt the infusion supply when the value obtained by subtracting the residual amount of infusion from the total supply reaches the set supply amount. [Effects of the Invention]

[0025] According to an embodiment of the present invention, a regulator-integrated drip chamber with a locking device and an infusion set including the same have the effect of providing a more compact infusion chamber and achieving convenience in the assembly and placement of the infusion set, as the regulator for adjusting the infusion supply volume is provided integrally with the drip chamber rather than on one side of the supply hose.

[0026] According to the regulator-integrated drip chamber having a locking device according to an embodiment of the present invention and an infusion set including the same, by providing the locking device to the regulator, it is possible to prevent the risk of malfunction of the regulator by patients, guardians, others, etc. during the supply of infusion.

[0027] Also, according to the regulator-integrated drip chamber having a locking device according to an embodiment of the present invention and an infusion set including the same, by installing a flow rate measurement unit composed of an optical sensor or the like in the drip chamber, it is possible to grasp the supplied infusion volume and supply rate, and control the flow rate adjustment unit so that the infusion is supplied at the set supply volume and supply rate.

[0028] Also, according to the regulator-integrated drip chamber having a locking device according to an embodiment of the present invention and an infusion set including the same, by determining the remaining infusion volume from the drip chamber to the catheter including a water level sensor, it is possible to monitor the actual infusion volume supplied to the patient based on the supplied infusion volume and remaining volume from the infusion bag, and control so that the actual infusion injection volume corresponds to the set supply volume.

[0029] Note that the effects obtained by the present invention are not limited to the effects described above, and other effects not described can also be clearly understood by those having ordinary knowledge in the technical field to which the present invention pertains from the following description.

Brief Description of Drawings

[0030] The drawings attached to this specification show preferred embodiments of the present invention, and together with the detailed description of the invention, serve to make the technical idea of the present invention easier to understand. Therefore, the present invention should not be construed as being limited only to the matters described in the drawings. [Figure 1] FIG. 1 is a schematic diagram showing a normal infusion set. [Figure 2]Figure 2 is a front view (chamber cover type) of a regulator-integrated infusion chamber according to an embodiment of the present invention. [Figure 3] Figure 3 is a front view (spike type) of a regulator-integrated infusion chamber according to an embodiment of the present invention. [Figure 4] Figure 4 is a front view (chamber cover type) of a regulator-integrated infusion chamber having a flow rate measuring unit according to an embodiment of the present invention. [Figure 5] Figure 5 is a front view (chamber cover type) of a regulator-integrated drip chamber having a flow rate measuring unit and a floating member according to an embodiment of the present invention. [Figure 6] Figure 6 is a front view (chamber cover type) of a regulator-integrated drip chamber having a flow rate measuring unit and a floating member according to an embodiment of the present invention. [Figure 7] Figure 7 is a front view (chamber cover type) of a regulator-integrated drip chamber having a flow rate measuring unit, a water level sensor, and a floating member according to an embodiment of the present invention. [Figure 8] Figure 8 is a cross-sectional view of a regulator-integrated infusion chamber having a locking device according to a first embodiment of the present invention. [Figure 9] Figure 9 is a cross-sectional view of Figure 8 with the lower fuselage section removed. [Figure 10] Figure 10 is an enlarged view of the locking mechanism shown in Figure 8. [Figure 11] Figure 11 shows a cross-sectional view of the locking device body, a cross-sectional view of the locking member central member, and a cross-sectional view of the locking member lever according to the first embodiment of the present invention. [Figure 12] Figure 12 is a cross-sectional view of the locking device in release mode according to the first embodiment of the present invention. [Figure 13] Figure 13 is a cross-sectional view of the locking device in lock mode according to the first embodiment of the present invention. [Figure 14] Figure 14 shows a perspective view and a front view of a regulator according to a second embodiment of the present invention. [Figure 15] Figure 15 shows a perspective view and a front view of a regulator according to a second embodiment of the present invention. [Figure 16] Figure 16 shows the regulator. [Figure 17] Figure 17 shows the regulator. [Figure 18] Figure 18 shows the regulator. [Figure 19] Figure 19 shows the regulator. [Figure 20] Figure 20 shows a perspective view and a front view of the upper body of a regulator according to a second embodiment of the present invention. [Figure 21] Figure 21 shows a perspective view and a front view of the upper body of a regulator according to a second embodiment of the present invention. [Figure 22] Figure 22 shows a perspective view and a plan view of a regulator gasket according to a second embodiment of the present invention. [Figure 23] Figure 23 shows a perspective view and a plan view of a regulator gasket according to a second embodiment of the present invention. [Figure 24] Figure 24 shows a perspective view, a front view, and a bottom view of the lower body of a regulator according to a second embodiment of the present invention. [Figure 25] Figure 25 shows a perspective view, a front view, and a bottom view of the lower body of a regulator according to a second embodiment of the present invention. [Figure 26] Figure 26 shows a perspective view, a front view, and a bottom view of the lower body of a regulator according to a second embodiment of the present invention. [Figure 27] Figure 27 shows a perspective view and a plan view of a locking device according to a second embodiment of the present invention. [Figure 28] Figure 28 shows a perspective view and a plan view of a locking device according to a second embodiment of the present invention. [Figure 29] Figure 29 is a partial cross-sectional view of the locking device side in release mode according to the second embodiment of the present invention. [Figure 30] Figure 30 is a partial cross-sectional view of the locking device side in lock mode according to the second embodiment of the present invention. [Figure 31] Figure 31 is a block diagram showing an infusion set including a regulator-integrated infusion chamber according to an embodiment of the present invention. [Figure 32] Figure 32 is a block diagram showing the signal flow of the control unit according to an embodiment of the present invention. [Modes for carrying out the invention]

[0031] The configuration and function of the regulator-integrated infusion chamber according to an embodiment of the present invention will be described below.

[0032] First, Figure 2 shows a front view (chamber cover type) of a regulator-integrated infusion chamber according to an embodiment of the present invention. Figure 3 shows a front view (spike type) of a regulator-integrated infusion chamber according to an embodiment of the present invention.

[0033] An intravenous drip chamber according to an embodiment of the present invention is connected to an infusion bag and supplied with the infusion from the infusion bag. As shown in Figure 3, it can be composed of a spike type having an infusion port 22, an air port 23, an air filter 24, and a vent cap 25, and a cover type having a chamber cover 11 and a connecting connector 12 that connects to the infusion bag, as shown in Figure 2. The cover type will be described below as an example. However, the scope of the patent is not limited to this type.

[0034] The body portion 10 of the infusion chamber 100 is connected to the infusion bag 1, and the infusion fluid stored in the infusion bag is supplied to the inside in droplet form. It has a discharge port and a lower end portion to which the supply hose 2 is connected.

[0035] Furthermore, the drip chamber 100 according to the embodiment of the present invention is characterized by including a regulator 50 which is integrally attached to one side of the lower part of the body portion 10 and adjusts the flow rate of the infusion fluid supplied from the body portion 10 to the supply hose 2.

[0036] Furthermore, in the embodiment of the present invention, the drip chamber 100 has a filter member provided on one side of the inside of the lower end of the body portion 10, which can filter out foreign matter, and such a filter member 40 may be made of a hydrophilic membrane and configured to prevent gas (air) from flowing into the supply hose.

[0037] An embodiment of the present invention may include an upper fuselage portion 51 and a lower fuselage portion 55 that is rotatable with respect to the upper fuselage portion 51.

[0038] The upper torso portion 51 is integrally connected to one side of the lower part of the torso portion 10 of the infusion chamber 100 and has a discharge hole 52 formed on one side of the lower end surface and a central rotation shaft 53 that protrudes downward from the center of the lower end surface. In addition, a filter member 40 is installed inside the upper torso portion to prevent the entry of foreign matter and air for the safety of the patient.

[0039] Furthermore, the lower body portion 55 is provided with a rotation shaft introduction groove 57 into which the central rotation shaft 53 is inserted, and a supply hole 56 formed on one side of the upper end surface. Therefore, when the lower body portion 55 rotates through the central rotation shaft 53, the amount of infusion supplied can be adjusted.

[0040] Furthermore, an insertion groove is formed on the outer surface of one side of the lower end of the central rotation axis 53 of the upper body section 51, and a locking flange 58 is formed on the lower outer surface of the lower protruding pipe that forms the rotation axis introduction groove of the lower body section 55. Therefore, the lower protruding pipe connected to the lower body section 55 can act as a locking device, holding the center of the central rotation axis 53 of the upper body section 51 while preventing separation of the upper body section 51 and the lower body section 55.

[0041] Furthermore, a silicone gasket 59 is interposed in the space between the contact surfaces of the upper body portion 51 and the lower body portion 55, enabling smooth rotation of the upper body portion 51 and the lower body portion 55 with respect to the central axis and preventing water leakage.

[0042] Furthermore, as will be described later, the regulator 50 according to the embodiment of the present invention may be configured to include a locking device 60 that restricts the rotation of the lower fuselage portion 55.

[0043] Figure 4 is a front view (chamber cover type) of a regulator-integrated infusion chamber having a flow rate measuring unit according to an embodiment of the present invention. Figures 5 and 6 are front views (chamber cover type) of a regulator-integrated infusion chamber having a flow rate measuring unit and a floating member according to an embodiment of the present invention.

[0044] An intravenous drip chamber 100 according to an embodiment of the present invention may be configured to include a flow rate measuring unit 30 installed on one side of the body portion 10, which senses intravenous fluid droplets passing through the body portion 10 and measures the amount of intravenous fluid supplied.

[0045] Furthermore, the floating member 70 is configured to float in the infusion fluid stored in the body portion 10 and to close the discharge hole 62 when the supply of infusion fluid to the supply hose 2 is complete.

[0046] The flow rate measuring unit 30 according to an embodiment of the present invention may consist of an optical sensor, an infrared sensor, a laser sensor, etc., and may include a light-emitting unit 31 that emits light or the like, and a light-receiving unit 32 that receives reflected light. The supply flow rate calculation unit 33 senses the falling infusion droplets through such sensors, receives such measured values, and calculates the supply flow rate and the total amount supplied based on the infusion droplet cycle or the number of infusion droplets supplied within a predetermined cycle.

[0047] Figure 7 is a front view (chamber cover type) of a regulator-integrated drip chamber having a flow rate measuring unit, a water level sensor, and a floating member according to an embodiment of the present invention.

[0048] Furthermore, as shown in Figure 7, the infusion chamber 100 according to an embodiment of the present invention may further include a water level sensor 90 for measuring the water level of the infusion fluid in the infusion chamber.

[0049] In this configuration, the floating member 70 can function as a reflector. Therefore, the water level sensor can be configured to measure the water level in the drip chamber 100 based on the position of the floating member 70.

[0050] Furthermore, the system may be configured to send notification data when the water level falls below a set range.

[0051] Furthermore, as will be described later, the management server 110 may be configured to include a residual infusion calculation unit 91 that calculates the remaining infusion volume up to the end of the infusion chamber 100, supply hose 2, and catheter 3, according to the water level in the infusion chamber 100.

[0052] Therefore, the control unit 120 controls the flow rate adjustment unit 80 to interrupt the infusion supply when the value obtained by subtracting the remaining infusion amount calculated by the remaining infusion amount calculation unit 91 from the total supply amount calculated by the supply flow rate calculation unit 33 reaches a set supply amount.

[0053] In other words, information such as the length and inner diameter of the supply hose 2, and the remaining amount of infusion fluid corresponding to the size of the supply hose are input, and when the water level sensor 90 determines the water level in the infusion chamber 100, the flow rate of the infusion fluid remaining in the infusion chamber from the catheter can be calculated in real time.

[0054] By subtracting the remaining amount of infusion fluid from the total supply flow rate supplied from the infusion bag 1 to the drip chamber 100, the amount of infusion fluid actually supplied to the patient can be calculated. The control unit 120 controls the infusion supply via the flow rate adjustment unit 80 so that it is interrupted when the supply amount set based on the amount of infusion fluid actually supplied to the patient reaches the amount of infusion fluid actually supplied to the patient.

[0055] Figure 8 is a cross-sectional view of a regulator-integrated infusion chamber having a locking device according to the first embodiment of the present invention. Figure 9 is a cross-sectional view of Figure 8 with the lower body portion removed. Figure 10 is an enlarged view of the locking device portion of Figure 8.

[0056] Figure 11 also shows a cross-sectional view of the locking device body, the locking member central member, and the locking member lever according to the first embodiment of the present invention.

[0057] Furthermore, Figure 12 is a cross-sectional view of the locking device in release mode according to the first embodiment of the present invention, and Figure 13 is a cross-sectional view of the locking device in lock mode according to an embodiment of the present invention.

[0058] As shown in Figures 8, 9, 10, 11, 12, and 13, the regulator 50 may be configured to include a locking device 60 that restricts the rotation of the lower fuselage section 55.

[0059] A locking device according to a first embodiment of the present invention may be configured to include a locking device body 61 having internal screw threads 63, and a central member 64 connected to a lever, the locking end 65 of which is screw-connected to the internal screw threads 63.

[0060] First, an insertion groove 54 is formed at the lower end of the central rotation axis 53 of the upper body portion 51 of the regulator 50.

[0061] The locking device body 61 is interposed between the central rotating shaft 53 and the rotating shaft introduction groove 57, and has a lower end hole 62 and internal screw threads 63 formed on its inner surface.

[0062] The central member 64 is fitted into the lower end hole 62 and has a locking end 65 in which the external threads 66 are screw-connected to the internal threads 63. It also includes a lever 67 for rotating the central member.

[0063] Therefore, in release mode, as shown in Figure 12, the upper end of the central member 64 is separated from the upper surface of the insertion groove 54 of the central rotation shaft 53, allowing the lower body portion 55 to rotate without restriction.

[0064] When the lever is activated and rotated in lock mode, as shown in Figure 13, the central member 64 rotates and moves upward due to the screw. Therefore, the upper end of the central member 64 is coupled to the insertion groove 54 by interference fit, restricting the rotation of the lower body 55.

[0065] The following describes the configuration and function of a regulator and locking device according to a second embodiment of the present invention.

[0066] Figures 14 and 15 are a perspective view and a front view of a regulator according to a second embodiment of the present invention.

[0067] The regulator according to the second embodiment of the present invention, similar to the first embodiment, has a configuration in which an upper fuselage portion 51 and a lower fuselage portion 55 are joined together, and a gasket 59 is interposed between the upper fuselage portion 51 and the lower fuselage portion 55.

[0068] Figures 20 and 21 are a perspective view and a front view of the upper body of a regulator according to a second embodiment of the present invention.

[0069] Figures 22 and 23 are perspective and plan views of a regulator gasket according to a second embodiment of the present invention.

[0070] Figures 24 to 26 are perspective views, front views, and bottom views of the lower body of a regulator according to a second embodiment of the present invention.

[0071] Figures 27 and 28 are perspective and plan views of a locking device according to a second embodiment of the present invention.

[0072] As shown in Figures 20 and 21, an exhaust port 52 is formed in the upper body portion 51, and a central rotating shaft 53 that protrudes from the lower side of the lower end surface is connected to it.

[0073] Furthermore, screw threads are formed on the lower outer surface of the central rotating shaft 53. As will be described later, these screw threads of the central rotating shaft 53 are screw-connected to the internal screw threads 63 of the locking device 60.

[0074] Furthermore, as shown in Figures 24 to 26, the lower fuselage section 55 is connected to the upper fuselage section 51 with the gaskets shown in Figures 22 and 23 interposed between them. As will be described later, the lower fuselage section 55 can rotate in the release mode, allowing adjustment of the opening and closing of the discharge port 52 and the opening ratio, while rotation is restricted in the lock mode.

[0075] A supply hole 56 is formed in the lower fuselage section 55, and a rotation shaft introduction groove 57 is provided in the center through which the central rotation shaft 53 of the upper fuselage section 51 passes.

[0076] During assembly of the upper fuselage section 51 and the lower fuselage section 55, the central rotating shaft 53 passes through the rotating shaft introduction groove 57, and in the assembled state, the screw threads of the rotating shaft introduction groove 57 are guided downwards. A locking device, described later, is screw-connected to these screw threads.

[0077] Furthermore, the rotating shaft introduction groove 57 has multiple vertical notches 7 that are spaced apart from each other in the circumferential direction. Therefore, as will be described later, when the locking device is rotated upward by screwing it in lock mode, the space between the notches decreases, and the rotating shaft introduction groove 57 is compressed, thereby restricting the rotation of the lower body portion 55.

[0078] More specifically, Figure 29 is a partial cross-sectional view of the locking device side in release mode according to the second embodiment of the present invention, and Figure 30 is a partial cross-sectional view of the locking device side in lock mode according to the second embodiment of the present invention.

[0079] As shown in Figures 29 and 30, with the upper body section 51 and the lower body section 55 assembled, the central rotating shaft 53, which has screw threads formed on it, passes through the rotating shaft introduction groove 57, and has screw threads exposed at its lower end in this state. It can be seen that the internal screw threads 63 of the locking device 60 are screw-connected to these exposed screw threads.

[0080] In release mode, as shown in Figure 29, the locking flange 58 of the rotation shaft introduction groove 57 and the central rotation shaft 53 are separated, and the lower body portion 55 is not restrained and can rotate with respect to the central rotation shaft 53.

[0081] Furthermore, in lock mode, as shown in Figure 30, when the user or fully automatic operator rotates the tightening part 67 of the locking device 60 to move the locking device upward, the upper end of the locking device 60 comes into contact with the locking flange 58 of the rotating shaft introduction groove 57. Further rotation pressurizes and compresses the rotating shaft introduction groove 57, causing it to connect to the rotating central shaft by interference fit. In other words, as described above, the rotating shaft introduction groove 57 has multiple notches 7 formed in it, and when compressed by the pressurization of the locking device 60, it connects to the central rotating shaft 53 by interference fit, and in this state, the rotation of the lower body portion 55 is restricted.

[0082] Figure 31 is a block diagram showing an infusion set including a regulator-integrated drip chamber with a locking device according to an embodiment of the present invention. Figure 32 is a block diagram showing the signal flow of the control unit according to an embodiment of the present invention.

[0083] The infusion set 200 according to an embodiment of the present invention may include a flow rate adjustment unit 80 provided on one side of the supply hose 2 for adjusting the supply flow rate.

[0084] Furthermore, the management server 110 may include a supply flow rate calculation unit 33 that receives the measured values ​​from the flow rate measurement unit 30 and calculates the supply flow rate and the total amount supplied based on the infusion droplet cycle or the number of infusion droplets supplied within a predetermined cycle. The setting unit is configured to set the infusion supply amount and supply rate, and the control unit can control the flow rate adjustment unit 80 based on the measured values ​​calculated by the supply flow rate calculation unit 33 and the supply rate set by the setting unit 140.

[0085] Furthermore, the control unit 120 controls the flow rate adjustment unit 80 to interrupt the infusion supply when the total amount of infusion fluid supplied reaches a set supply amount.

[0086] Furthermore, as shown in Figure 7, the infusion chamber 100 according to an embodiment of the present invention may further include a water level sensor 90 for measuring the water level of the infusion fluid in the infusion chamber. In addition, such a management server 110 may include a residual infusion fluid calculation unit 91 that calculates the remaining amount of infusion fluid up to the end of the infusion chamber 100, supply hose 2, and catheter 3 according to the water level in the infusion chamber 100.

[0087] Therefore, the control unit 120 controls the flow rate adjustment unit to interrupt the infusion supply when the value obtained by subtracting the remaining infusion amount calculated by the remaining infusion amount calculation unit 91 from the total supply amount calculated by the supply flow rate calculation unit 33 reaches a set supply amount.

[0088] In other words, information such as the length and inner diameter of the supply hose 2, and the remaining amount of infusion fluid corresponding to the size of the supply hose are input, and when the water level sensor 90 determines the water level in the infusion chamber 100, the flow rate of the infusion fluid remaining in the infusion chamber from the catheter can be calculated in real time.

[0089] By subtracting the remaining amount of infusion fluid from the total supply flow rate supplied from the infusion bag 1 to the drip chamber 100, the amount of infusion fluid actually supplied to the patient can be calculated. The control unit 120 controls the infusion supply via the flow rate adjustment unit 80 so that it is interrupted when the supply amount set based on the amount of infusion fluid actually supplied to the patient reaches the amount of infusion fluid actually supplied to the patient.

Claims

1. An intravenous drip chamber connected to an infusion bag, from which the infusion bag is supplied, A body portion having a lower end to which a supply hose is connected, into which the infusion fluid stored in the infusion bag is supplied in droplet form, and which is provided with a discharge hole; A regulator integrally attached to one side of the lower part of the torso, which adjusts the flow rate of the infusion fluid supplied from the torso to the supply hose; Includes; a filter member provided on one side of the interior of the lower end of the body portion; The aforementioned regulator is A regulator-integrated drip chamber having a locking device, characterized by comprising an upper body portion, a lower body portion, a gasket interposed between the upper body portion and the lower body portion, and a locking device for restricting or releasing the rotation of the lower body portion.

2. The upper body portion is integrally connected to one side of the lower part of the body portion and has a discharge hole formed on one side of the lower end surface and a central rotating shaft protruding downward from the center of the lower end surface. The lower body portion is provided with a rotation shaft introduction groove into which the central rotation shaft is inserted and a supply hole formed on one side of the upper end surface, and the amount of infusion supplied is adjusted by the rotation of the lower body portion through the central rotation shaft, characterized in that the regulator-integrated infusion chamber has a locking device as described in claim 1.

3. The locking device is The device includes an insertion groove formed at the lower end of the central rotating shaft, a locking device body interposed between the central rotating shaft and the rotating shaft introduction groove, with a lower end hole and internal screw threads formed on its inner surface, a central member that fits into the lower end hole and has a locking end with external screw threads that screw-connect to the internal screw threads, and a tightening part for rotating the central member. A regulator-integrated infusion chamber having a locking device according to claim 2, characterized in that, in lock mode, the upper end of the central member is coupled to the insertion groove by interference fit due to the operation of the tightening part, thereby restricting the rotation of the lower body.

4. Screw threads are formed on the lower outer surface of the central rotating shaft. The aforementioned rotating shaft introduction groove is configured as a tubular shape with notches formed therein, which are spaced apart from each other in the circumferential direction. The central rotating shaft is connected through the rotating shaft introduction groove such that the screw threads are guided downwards. The locking device is It includes a body that connects to the lower side of the central rotation axis via internal threads, and a tightening part connected to the end of the lower end of the body for rotating the body, A regulator-integrated drip chamber having a locking device according to claim 2, characterized in that, in lock mode, the operation of the tightening part pressurizes and compresses the rotating shaft introduction groove to restrict the rotation of the lower body.

5. A flow rate measuring unit is installed on one side of the torso portion and detects infusion droplets passing through the torso portion, and measures the amount of infusion supplied; A floating member that floats in the infusion fluid stored in the torso and closes the discharge hole when the supply of infusion fluid to the supply hose is complete; Includes: a supply flow rate calculation unit that receives the measured values ​​and calculates the supply flow rate and the total amount supplied based on the number of infusion droplets supplied within the infusion droplet cycle or a predetermined cycle; The regulator-integrated infusion chamber having a locking device according to claim 1, characterized in that the flow rate measuring unit is composed of at least one of a light sensor, an infrared sensor, and a laser sensor, and measures the supplied infusion droplets.

6. Infusion bag, infusion set having an infusion chamber, supply hose, and catheter as described in any one of claims 1 to 5, A flow rate adjustment unit provided on one side of the supply hose for adjusting the supply flow rate; An infusion set including a regulator-integrated drip chamber having a locking device, characterized by: a management server having a supply flow rate calculation unit that receives a measurement value measured by a flow rate measurement unit and calculates the supply flow rate and the total amount supplied based on the infusion droplet cycle or the number of infusion droplets supplied within a predetermined cycle; and

7. A setting unit for setting the infusion supply volume and supply rate; A control unit controls the flow rate adjustment unit based on the measured value and the set supply rate, and interrupts the supply of infusion when the total amount of infusion reaches the set supply amount; A water level sensor for measuring the water level of the infusion in the drip chamber; Includes: an infusion chamber, a supply hose, and a residual infusion calculation unit that calculates the remaining infusion volume up to the end of the catheter, according to the water level in the infusion chamber; The infusion set includes a regulator-integrated drip chamber having a locking device according to claim 6, characterized in that the control unit controls the flow rate adjustment unit so as to interrupt the infusion supply when the value obtained by subtracting the remaining infusion volume from the total supply volume reaches the set supply volume.

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