CN217311425U

CN217311425U - Mounting structure of infusion monitor

Info

Publication number: CN217311425U
Application number: CN202120924214.3U
Authority: CN
Inventors: 贾瑞谱
Original assignee: Harbin Yishang Medical Technology Co ltd
Current assignee: Harbin Yishang Medical Technology Co ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2022-08-30
Anticipated expiration: 2031-04-29

Abstract

The utility model discloses an infusion monitor mounting structure, this infusion monitor mounting structure include monitor casing, fixing base, elasticity joint structure and fixed strip, and the monitor casing is the frame form to having the drip chamber mounting hole, the monitor casing still is equipped with two transfer line mounting holes, and two relative pore walls of drip chamber mounting hole are located to two transfer line mounting holes branch, and the pore wall of each transfer line mounting hole all is equipped with the breach of stepping down, in order to supply the transfer line card at drip chamber both ends to go into the transfer line mounting hole. The fixed seat is connected with the monitor shell and is provided with an inserting hole; the elastic clamping structure is arranged on the fixed seat, and the elastic clamping structure partially extends into the insertion hole; the fixing strip is flexible and deformable, one end of the fixing strip is fixed with the fixing seat, the other end of the fixing strip is inserted into the plug hole and is clamped with the elastic clamping structure, and the fixing strip is used for being sleeved on the drip rod. The utility model discloses technical scheme can increase infusion monitor's installation stability.

Description

Mounting structure of infusion monitor

Technical Field

The utility model relates to the technical field of medical equipment, in particular to infusion monitor mounting structure.

Background

In order to obtain the infusion progress of a patient in time during infusion, real-time monitoring is required during the infusion process, and currently, monitoring is generally performed by an infusion monitor, for example, in some infusion monitors, for example, in patent document No. 201921507583.1, the infusion monitor is fixed on an infusion tube, and the drop velocity is detected by a photoelectric sensor or an infrared sensor. Because the transfusion tube is generally inserted into the inverted transfusion bottle (transfusion bag) through the bottle stopper puncture outfit, when the transfusion monitor is fixed on the transfusion tube, the weight of the transfusion tube is increased, the bottle stopper puncture outfit is easy to be separated from the transfusion bottle, and the potential safety hazard is increased.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an infusion monitor mounting structure, which aims at increasing the mounting stability of the infusion monitor.

In order to achieve the above object, the utility model provides an infusion monitor mounting structure, include:

the monitor shell is in a frame shape and is provided with a dropping funnel mounting hole, the monitor shell is also provided with two infusion tube mounting holes, the two infusion tube mounting holes are respectively arranged on two opposite hole walls of the dropping funnel mounting hole, and the hole wall of each infusion tube mounting hole is provided with a abdicating notch for the infusion tubes at two ends of the dropping funnel to be clamped into the infusion tube mounting holes;

the fixing seat is connected with the monitor shell and is provided with an inserting hole;

the elastic clamping structure is arranged on the fixed seat, and part of the elastic clamping structure extends into the insertion hole; and

the fixing strip is bendable and deformable, one end of the fixing strip is fixed with the fixing base, the other end of the fixing strip is inserted into the insertion hole and is clamped with the elastic clamping structure, and the fixing strip is used for being sleeved on the drip rod.

Optionally, the insertion hole has an insertion hole into which the fixing strip is inserted, and one end of the fixing strip is fixed to a side of the fixing base opposite to the insertion hole, so that when the other end of the fixing strip is inserted into the insertion hole, the fixing base and the fixing strip jointly enclose an annular shape to be sleeved on the periphery of the drip rod.

Optionally, the infusion monitor mounting structure further includes a non-slip pad, and the non-slip pad is disposed on the surface of the fixing base, which is surrounded by the fixing strip and forms a ring shape.

Optionally, the fixing base is provided with a mounting hole, the mounting hole comprises a first hole section and a second hole section which are connected, the first hole section penetrates through the hole wall of the insertion hole, the second hole section penetrates through the outer surface of the fixing base, the size of the second hole section is larger than that of the first hole section, the elastic clamping structure comprises a locking member, a clamping member, a first elastic member, a pressing member and a fixing ring sleeve, the clamping member comprises a limiting section and a clamping section which are connected, the clamping section is arranged on the first hole section and can extend into the insertion hole to be clamped with the fixing strip, the size of the limiting section is larger than that of the first hole section and smaller than that of the second hole section so as to be located in the second hole section, the locking member is arranged at the end part of the second hole section far away from the first hole section, and the first elastic member is arranged between the limiting section and the locking member, and has a tendency of driving the limiting section to move towards the first hole section, the fixing seat is provided with an assembling hole, the assembling hole penetrates through the hole wall of the first hole section and the outer surface of the fixed seat, the clamping section is provided with a guide surface facing the assembling hole, the guide surface is obliquely arranged relative to the extending direction of the first hole section, and the guide surface gradually extends obliquely towards the direction of the assembly hole in the direction that the end of the first hole section connected with the plug-in hole points to the second hole section, the limiting ring sleeve is arranged in the assembling hole, the pressing piece comprises a pressing section and an abutting section which are connected, the pressing section can movably penetrate through an inner hole of the spacing ring sleeve, the size of the abutting section is larger than that of the inner hole of the spacing ring sleeve, and is smaller than the size of the assembling hole, and the size of the abutting section far away from the pressing section is in sliding abutting connection with the guide surface.

Optionally, the cross-section of first hole section is oval, polygon or irregularly shaped, the shape of joint section corresponds the cross-sectional shape setting of first hole section, in order to restrict the joint section is in first hole section internal rotation.

Optionally, the monitor casing in be equipped with the spacing groove in the dropping funnel mounting hole, one of them the transfer line mounting hole with correspond the breach of stepping down runs through the tank bottom wall of spacing groove, the size of spacing groove is greater than the size of dropping funnel, the spacing groove is used for placing with the one end that supplies the dropping funnel, the width of the breach of stepping down is less than the size of dropping funnel.

Optionally, be equipped with the clamp plate on the monitor casing with one side that the spacing groove is relative, the clamp plate is equipped with the breach of dodging the transfer line, the size of dodging the breach is less than the size of dropping funnel, the clamp plate is two slidable mounting in the direction of distribution of transfer line mounting hole in the pore wall of dropping funnel mounting hole, the clamp plate deviates from one side of spacing groove is equipped with the second elastic component, the second elastic component has orders about the clamp plate court the trend of spacing groove motion is in order to press the dropping funnel to the spacing groove.

The utility model discloses technical scheme is through setting up the fixing base, elasticity joint structure and fixed strip, be connected fixing base and monitor casing, and be equipped with the spliced eye on the fixing base, the fixing base is located to the elasticity joint structure, elasticity joint structure part stretches into the spliced eye, fixed strip one end is fixed with the fixing base, because fixed strip flexible deformation, the event can be crooked with the fixed strip, thereby make the free end of fixed strip insert the spliced eye, and with elasticity joint structure joint, thereby realize that the free end of fixed strip is fixed in the spliced eye. So make the free end of fixed strip insert the in-process of spliced eye with the fixed strip is crooked, can make the fixed strip encircle on the bit pole to when the free end of fixed strip is fixed in the spliced eye, can overlap and establish on the bit pole, realize that infusion monitor mounting structure is fixed with being connected of bit pole. So install the infusion monitor on the bit pole, can avoid the transfer line atress to can avoid the infusion monitor to lead to the condition that the bottle plug puncture ware deviates from the transfusion bottle easily when fixing on the transfer line, increase the installation stability of infusion monitor.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a cross-sectional view of an embodiment of the installation structure of the infusion monitor of the present invention;

FIG. 2 is a cross-sectional view taken along line X-X of FIG. 1;

FIG. 3 is a cross-sectional view taken along the line Y-Y in FIG. 1;

FIG. 4 is an enlarged view taken at A in FIG. 1;

fig. 5 is a schematic structural view of the fixing base and the fixing strip in fig. 1.

The reference numbers indicate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

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 efforts belong to the protection scope of the present invention.

It should be noted that if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture, and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides an infusion monitor mounting structure.

In the embodiment of the present invention, please refer to fig. 1 to 5, the infusion monitor mounting structure includes a monitor housing 10, a fixing base 20, an elastic clamping structure 30 and a fixing strip 40, the monitor housing 10 is frame-shaped to have a dropping funnel mounting hole 2311, the monitor housing 10 is further provided with two infusion tube mounting holes 2312, the two infusion tube mounting holes 2312 are respectively disposed on two opposite hole walls of the dropping funnel mounting hole 2311, the hole wall of each infusion tube mounting hole 2312 is provided with a step-down notch 13, so that the infusion tubes at two ends of the dropping funnel are clamped into the infusion tube mounting hole 2312. The fixing seat 20 is connected with the monitor shell 10, and the fixing seat 20 is provided with an inserting hole 21; the elastic clamping structure 30 is arranged on the fixed seat 20, and part of the elastic clamping structure 30 extends into the insertion hole 21; the fixing strip 40 can be bent and deformed, one end of the fixing strip 40 is fixed with the fixing seat 20, the other end of the fixing strip is inserted into the plug hole 21 and is clamped with the elastic clamping structure 30, and the fixing strip 40 is used for being sleeved on a drip rod (the drip rod is a rod piece for placing an infusion bottle/an infusion bag).

Specifically, the drip chamber mounting hole 2311 is a space of the inner frame of the monitor housing 10, and is equivalent to mounting the drip chamber in the inner frame of the monitor housing 10, and the abdicating notch 13 extends along the length direction of the infusion tube mounting hole 2312, so that when the infusion tube is mounted, the infusion tube can be clamped into the infusion tube mounting hole 2312 from the abdicating notch 13.

The utility model discloses technical scheme is through setting up fixing base 20, elasticity joint structure 30 and fixed strip 40, be connected fixing base 20 with monitor casing 10, and be equipped with spliced eye 21 on fixing base 20, fixing base 20 is located to elasticity joint structure 30, elasticity joint structure 30 part stretches into spliced

eye

21, 40 one end of fixed strip is fixed with fixing base 20, because 40 flexible deformations of fixed strip, the event can be crooked with fixed strip 40, thereby make the free end of fixed strip 40 insert spliced eye 21, and with elasticity joint structure 30 joint, thereby realize that the free end of fixed strip 40 is fixed in spliced eye 21. So make the free end of fixed strip 40 insert the in-process of spliced eye 21 with the fixed strip 40 is crooked, can make fixed strip 40 encircle on the bit pole to when the free end of fixed strip 40 is fixed in spliced eye 21, can overlap and establish on the bit pole, realize that infusion monitor mounting structure is fixed with being connected of bit pole. So install the infusion monitor on the bit pole, can avoid the transfer line atress to can avoid the infusion monitor to lead to the condition that the bottle plug puncture ware deviates from the transfusion bottle easily when fixing on the transfer line, increase the installation stability of infusion monitor.

In one embodiment, the insertion hole 21 has an insertion opening for inserting the fixing strip 40, and one end of the fixing strip 40 is fixed to a side of the fixing base 20 opposite to the insertion opening, so that when the other end of the fixing strip 40 is inserted into the insertion hole 21, the fixing base 20 and the fixing strip 40 surround together to form a ring shape to be sleeved on the periphery of the drip rod. On the bit pole is located to fixing base 20 and fixed strip 40 cover jointly promptly, so increased the support of fixing base 20 on the bit pole, compare in the mode of only locating the bit pole through the fixed strip 40 cover, so can reduce the concentrated atress of fixed strip 40, guarantee that the atress is even between infusion monitor mounting structure and the bit pole, promote installation stability. Of course, in other embodiments, the insertion opening may be provided at other positions.

In one embodiment, the mounting structure of the infusion monitor further comprises a non-slip pad, and the non-slip pad is disposed on the surface of the fixing base 20 that is enclosed with the fixing strip 40 to form a ring shape. So can reduce the gliding possibility of fixing base 20 relative bit pole, can promote installation stability.

In an embodiment, fixing base 20 is equipped with mounting groove 22, and mounting groove 22 is both ends and link up the setting, so when the installation, can be with bit pole embedding mounting groove 22, so can reduce fixing base 20 towards the condition of bit pole lateral motion, can promote installation stability.

In an embodiment, the fixing base 20 is provided with a mounting hole 23, the mounting hole 23 includes a first hole section 231 and a second hole section 232 connected to each other, the first hole section 231 penetrates through a hole wall of the inserting hole 21, the second hole section 232 penetrates through an outer surface of the fixing base 20, and a size of the second hole section 232 is larger than a size of the first hole section 231. The elastic clamping structure 30 comprises a locking member 31, a clamping member 32, a first elastic member 33, a pressing member 34 and a fixing ring sleeve 35, the clamping member 32 comprises a limiting section 321 and a clamping section 322 which are connected, the clamping section 322 is arranged on the first hole section 231 and can extend into the inserting hole 21 to be clamped with the fixing strip 40, the size of the limiting section 321 is larger than that of the first hole section 231 and smaller than that of the second hole section 232 to be positioned in the second hole section 232, the locking member 31 is arranged at the end part of the second hole section 232 far away from the first hole section 231, the first elastic member 33 is arranged between the limiting section 321 and the locking member 31 and has a tendency of driving the limiting section 321 to move towards the first hole section 231, the fixing seat 20 is provided with an assembling hole 24, the assembling hole 231 penetrates through the hole wall of the first hole section and the outer surface of the fixing seat 20, the clamping section 322 is provided with a guide surface 323 facing the assembling hole 24, and the guide surface 323 is obliquely arranged relative to the extending direction of the first hole section 231, and the direction that guiding surface 323 connects the one end of spliced eye 21 at first hole section 231 and points to second hole section 232 extends towards the direction slope of pilot hole 24 place gradually, spacing ring 70 is installed in pilot hole 24, pressing piece 34 includes the pressing section 341 and the butt section 342 that are connected, pressing section 341 is movable to be worn to locate the hole of spacing ring 70 cover, the size of butt section 342 is greater than the size of the hole of spacing ring 70 cover to be less than the size of pilot hole 24, the size that the butt section 342 kept away from pressing section 341 slides and butts in guiding surface 323.

Specifically, be equipped with a plurality of draw-in grooves 41 on the fixed strip 40, a plurality of draw-in grooves 41 along the length direction interval distribution of fixed strip 40, when inserting fixed strip 40 in spliced eye 21, draw-in groove 41 can be blocked in to joint section 322 to the restriction fixed strip 40 is deviate from spliced eye 21. When the installation, insert back in the spliced eye 21 with fixed strip 40, when draw-in groove 41 corresponds with joint section 322, joint section 322 can be gone into in draw-in groove 41 automatically under the effect of first elastic component 33 to can continuously be located draw-in groove 41, joint section 322 and draw-in groove 41's butt this moment, thereby can restrict fixed strip 40 and deviate from spliced eye 21. When the pressing part 34 is pressed, the clamping part 32 can be driven to move from the first hole section 231 to the second hole section 232 under the action of the guide surface 323, so that the clamping section 322 can be separated from the clamping groove 41, the fixing strip 40 can be drawn out from the insertion groove, and the infusion monitor can be detached from the drip rod. And when unclamping behind the pressing piece 34, joint spare 32 moves towards spliced eye 21 under the effect of first elastic component 33 for joint section 322 stretches into spliced eye 21 in, so make joint spare 32 can initiatively reset, the operation of being convenient for. The first elastic member 33 may be a spring, rubber, or the like. Of course, in other embodiments, the fixing strip 40 may also be provided with a rib for clipping and limiting with the clipping section 322. In addition, in other embodiments, the guiding surface 323 may be disposed on the limiting section 321.

In an embodiment, the locking groove 41 is provided with a guiding inclined surface at a front end of the fixing strip 40 in the insertion direction of inserting into the insertion hole 21, so that the locking section 322 can automatically slide into the locking groove 41 along the guiding inclined surface in the process of inserting the fixing strip 40 into the insertion hole 21, and thus, the pressing piece 34 does not need to be pressed down in the process of inserting the fixing strip 40 into the insertion hole 21, and the installation can be facilitated.

In one embodiment, the first hole section 231 has an oval, polygonal or irregular cross-section, and the shape of the clamping section 322 is configured to correspond to the cross-sectional shape of the first hole section 231 to limit the clamping section 322 from rotating in the first hole section 231. So can prevent joint spare 32 at the internal rotation of mounting hole 23, can guarantee that leading face 323 and pressing part 34 are in better cooperation state all the time, promote the reliability.

In one embodiment, the monitor housing 10 is provided with a limiting groove 14 in the dropping funnel mounting hole 2311, wherein one infusion tube mounting hole 2312 and the corresponding abdicating notch 13 penetrate through the bottom wall of the limiting groove 14, the size of the limiting groove 14 is larger than that of the dropping funnel, the limiting groove 14 is used for placing one end of the dropping funnel, and the width of the abdicating notch 13 is smaller than that of the dropping funnel. When the installation promptly, can with the transfer line of dropping funnel one end in stepping down breach 13 card income transfer line mounting hole 2312 and spacing groove 14, put into spacing groove 14 with the tip of dropping funnel, because the size of stepping down breach 13 is less than the size of dropping funnel, so can restrict the radial motion of dropping funnel along spacing groove 14, can make the dropping funnel install in monitor casing 10 betterly, can reduce the dropping funnel and deviate from the possibility that spacing groove 14 was deviate from, can promote the spacing stability of dropping funnel. In this embodiment, the limiting groove 14 is disposed below the dropping funnel, so that the dropping funnel automatically falls into the limiting groove 14 under the action of gravity, the possibility of dropping the dropping funnel from the limiting groove 14 can be reduced, and the limiting stability of the dropping funnel can be improved. Of course, in other embodiments, the limiting groove 14 may be disposed above the dropping funnel.

In an embodiment, a pressing plate 50 is disposed on a side of the monitor housing 10 opposite to the limiting groove 14, the pressing plate 50 is provided with an avoiding notch 51 for avoiding the infusion tube, the avoiding notch 51 is smaller than the size of the dropping funnel, the pressing plate 50 is slidably mounted on the hole wall of the dropping funnel mounting hole 2311 in the distribution direction of the two infusion tube mounting holes 2312, a second elastic member 60 is disposed on a side of the pressing plate 50 away from the limiting groove 14, and the second elastic member 60 has a tendency of driving the pressing plate 50 to move towards the limiting groove 14 so as to press the dropping funnel towards the limiting groove 14. That is, the pressing plate 50 is slidably mounted on the hole wall of the drip chamber mounting hole 2311 in the distribution direction of the two infusion tube mounting holes 2312, which is equivalent to that the space between the pressing plate 50 and the limiting groove 14 is adjustable, so that different drip tube installations can be adapted, and the drip chamber can be pressed in the limiting groove 14 through the pressing plate 50, so that the drip chamber can be prevented from being separated from the notch of the limiting groove 14, and the drip chamber mounting stability can be further improved. The second elastic member 60 may be a plurality of second elastic members 60, and the plurality of second elastic members 60 are spaced apart along the circumferential direction of the pressure plate 50. Alternatively, the second elastic member 60 is an elastic body, and a position of the elastic body corresponding to the avoidance notch 51 is provided with a notch to avoid the infusion tube.

In an embodiment, the surface of the pressing plate 50 facing the limiting groove 14 is recessed to form a groove 52 in a direction away from the limiting groove 14, so that when the end of the dropping funnel extends into the groove 52, the installation stability of the dropping funnel can be further improved. Of course, in other embodiments, an annular rib may be provided on the surface of the pressing plate 50 facing the limiting groove 14, and the end of the dropping funnel is located inside the annular rib. Alternatively, the platen 50 may be provided in a flat plate shape.

In one embodiment, the wall of the drip chamber installation hole 2311 is provided with a slide rail 15, the edge of the pressing plate 50 is provided with a slide groove 53 in sliding fit with the slide rail 15, the end of the slide rail 15 facing the limiting groove 14 is provided with a limiting ring 70, and at least part of the limiting ring 70 is located on the moving path of the pressing plate 50 facing the limiting groove 14 and is used for limiting the movement of the pressing plate 50 facing the limiting groove 14 to be separated from the slide rail 15. Wherein the position limiting ring 70 can be limited or connected to the monitor housing 10 by screws or clamping structures. Of course, in other embodiments, the monitor housing 10 may be provided with guide posts, and the pressing plate 50 is slidably sleeved on the guide posts.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides an infusion monitor mounting structure which characterized in that includes:

2. The mounting structure of the transfusion monitor of claim 1, wherein the insertion hole has an insertion opening for inserting the fixing strip, and one end of the fixing strip is fixed on the opposite side of the fixing seat from the insertion opening, so that when the other end of the fixing strip is inserted into the insertion hole, the fixing seat and the fixing strip jointly enclose a ring shape to be sleeved on the periphery of the drip rod.

3. The mounting structure of the transfusion monitor of claim 2, further comprising a non-slip pad disposed on a surface of the fixing base that is surrounded by the fixing strip to form a ring.

4. The mounting structure of an infusion monitor as claimed in claim 2, wherein the fixing base is provided with a mounting hole, the mounting hole comprises a first hole section and a second hole section which are connected, the first hole section penetrates through the wall of the insertion hole, the second hole section penetrates through the outer surface of the fixing base, the size of the second hole section is larger than that of the first hole section, the elastic clamping structure comprises a locking member, a clamping member, a first elastic member, a pressing member and a fixing ring sleeve, the clamping member comprises a limiting section and a clamping section which are connected, the clamping section is arranged in the first hole section and can extend into the insertion hole to be clamped with the fixing strip, the size of the limiting section is larger than that of the first hole section and smaller than that of the second hole section to be located in the second hole section, and the locking member is mounted at the end of the second hole section far away from the first hole section, the first elastic piece is arranged between the limiting section and the locking piece and has a tendency of driving the limiting section to move towards the first hole section, the fixing seat is provided with an assembling hole, the assembling hole penetrates through the hole wall of the first hole section and the outer surface of the fixing seat, the clamping section is provided with a guide surface facing the assembling hole, the guide surface is obliquely arranged relative to the extending direction of the first hole section, the guide surface gradually obliquely extends towards the direction of the assembling hole in the direction of one end, connected with the inserting hole, of the first hole section towards the second hole section, the limiting ring sleeve is arranged on the assembling hole, the pressing piece comprises a pressing section and a butting section which are connected, the pressing section can movably penetrate through the inner hole of the limiting ring sleeve, and the size of the butting section is larger than that of the inner hole of the limiting ring sleeve and smaller than that of the assembling hole, the size of the abutting section far away from the pressing section is in sliding abutting connection with the guide surface.

5. The mounting structure of claim 4, wherein the first aperture section has an oval, polygonal or irregular cross-section, and the shape of the clamping section is configured to correspond to the cross-sectional shape of the first aperture section to limit rotation of the clamping section within the first aperture section.

6. The installation structure of an infusion monitor as claimed in claim 5, wherein the monitor housing is provided with a limiting groove in the dropping funnel installation hole, one of the infusion tube installation holes and the corresponding abdicating notch penetrate through the bottom wall of the limiting groove, the size of the limiting groove is larger than that of the dropping funnel, the limiting groove is used for being placed at one end of the dropping funnel, and the width of the abdicating notch is smaller than that of the dropping funnel.

7. The mounting structure of the transfusion monitor as claimed in claim 6, wherein a pressing plate is provided on the monitor housing at a side opposite to the limiting groove, the pressing plate is provided with an avoiding notch for avoiding a transfusion tube, the size of the avoiding notch is smaller than that of a dropping funnel, the pressing plate is slidably mounted on the wall of the dropping funnel mounting hole in the distribution direction of the two transfusion tube mounting holes, a second elastic member is provided on a side of the pressing plate away from the limiting groove, and the second elastic member has a tendency of driving the pressing plate to move towards the limiting groove, so as to press the dropping funnel towards the limiting groove.