Obstetrical fetal monitor with breathable anti-falling contact piece

Abstract

The obstetrical fetal monitor comprises a base, the upper portion of the base is fixedly connected with a display assembly, the left side of the base is fixedly connected with a placement block, the front side of the base is in butt joint with a data line, and meanwhile the outer end of the data line is electrically connected with a monitoring probe; the threaded rods are connected to the left side and the right side of the interior of the display assembly in a nested mode, handles are fixedly connected to the top ends of the threaded rods, and a belt conveying mechanism is fixedly connected between the two sets of threaded rods. When a user needs to use the monitor, a handle can be manually rotated to drive a threaded rod to rotate, so that a connecting plate can stably move upwards, a first bevel gear drives a second bevel gear meshed with the first bevel gear to rotate, and a winding shaft is driven by the second bevel gear to synchronously rotate; and the folding protection plate is wound through mutual cooperation with the connecting plate, so that the display screen is exposed to the outside, and monitoring operation is carried out.

Description

Technical Field

[0001] The present invention relates to the technical field of fetal monitoring, and specifically relates to an obstetric fetal monitor provided with a breathable and anti-falling contact member. Background Art

[0002] When a pregnant woman enters the late pregnancy stage, in order to ensure the health of herself and the fetus, fetal monitoring needs to be carried out regularly. Through the probe equipped with the monitor, the fetal monitor can monitor the fetal heart rate and the maternal uterine contraction pressure in real time, so as to judge the health status of the fetus in the mother's body and facilitate timely treatment in case of problems. However, existing fetal monitoring devices still have some defects and deficiencies that need to be improved in some aspects:

[0003] For example, the ultrasonic Doppler fetal monitor with the application number: CN202020026400.0 includes a device main body. Inside the upper part of the middle of the device main body, a movable column 1 is fixedly connected. The outside of the movable column 1 is movably sleeved with a display screen housing. In the middle of the front surface of the display screen housing, a display screen is fixedly connected. On one side of the upper part of the display screen housing, a warning light is fixedly connected. In the middle of the device main body, a control button is fixedly connected. On one side of the control button, a switch button is fixedly connected. On the other side of the device main body, an integrated probe holder is fixedly connected. On the other side of the integrated probe holder, a probe holder wiring hole is fixedly connected. Below the probe holder wiring hole, a probe connecting wire is fixedly connected. Inside the lower part of the device main body, a movable column 2 is fixedly connected. Outside the middle of the movable column 2, a reinforcing plate is fixedly connected. On one side of the reinforcing plate, a paper bin cover is fixedly connected. A paper bin cover placement groove is opened at the lower part of the front surface of the device main body. At the lower part of the front surface of the device main body, a socket is fixedly connected. Inside the socket, a plug is fixedly connected. In the middle of the plug, a waterproof convex film is fixedly connected. Below the plug, a plug connecting wire is fixedly connected. At the lower part of the device main body, a support leg is fixedly connected. At the lower part of the support leg, a support rod is fixedly connected. At the lower part of the support rod, a support foot is fixedly connected. On the outside of the middle of the support rod, a spring is fixedly connected.

[0004] For the fetal monitoring device in the above document, when not in use, most of its display panels are not protected, and the panels are easily affected by the outside world, resulting in scratches or even damage, which has certain limitations.

[0005] A fetal monitor that is simple to operate, time-saving, labor-saving, safe, practical, efficient and portable during prenatal examination, including a main body. It is characterized in that a printer is provided on the front side of the main body, a printer outlet is provided on the printer, a switch button is provided on the right side of the printer, a paper roll is provided inside the printer, a paper roll holder is provided inside the paper roll, a wire port is provided on the right side of the main body, a power cord is provided on the left side of the wire port, a probe connection device is provided on the lower side of the power cord, an ultrasonic probe is provided on the left side of the probe connection device, a wafer protective film is provided on the left side of the ultrasonic probe, a metal shell is provided inside the ultrasonic probe, a wafer is provided on the lower side of the metal shell, an absorption block is provided on the right side of the wafer, a wiring piece is provided on the right side of the absorption block, a conductive screw is provided on the right side of the wiring piece, an electronic stethoscope is provided on the right side of the wire port, a sound amplification device is provided on the electronic stethoscope, a plug is provided on the right side of the electronic stethoscope, a heart rate sensor is provided inside the electronic stethoscope, an information display screen is provided on the main body, a fetal heart rate curve wave and a uterine contraction pressure wave are provided on the information display screen, a power button is provided on the right side of the information display screen, an ultrasonic generator is provided inside the main body, a support card is provided on the ultrasonic generator, and a support column and a base are provided on the lower side of the support card.

[0006] For the fetal monitoring device in the above document, its monitoring contact parts cannot be stably placed, and the monitoring parts do not have the function of preventing falling. When the user finishes monitoring, most of the monitoring contact parts are directly clamped on the monitoring device. Therefore, they cannot be fixed. At this time, the monitoring parts may fall out of the placement position and be damaged, thus affecting subsequent monitoring and requiring replacement of the monitoring contact parts, resulting in certain losses.

[0007] Therefore, we propose an obstetric fetal monitor with breathable and anti-falling contact parts to solve the problems raised above. Summary of the Invention

[0008] The purpose of the present invention is to provide an obstetric fetal monitor with breathable and anti-falling contact parts to solve the problems in the above background technology that most display panels on the current market are not protected, their panels are easily affected by the outside world, resulting in scratches, even damage, and the monitoring contact parts cannot be stably placed.

[0009] To achieve the above purpose, the present invention provides the following technical solution: An obstetric fetal monitor with breathable and anti-falling contact parts, including a base, a display component is fixedly connected above the base, a placement block is fixedly connected to the left side of the base, a data cable is docked to the front side of the base, and the outer end of the data cable is electrically connected to a monitoring probe;

[0010] A threaded rod is nested and connected to the left and right sides inside the display component. A handle is fixedly connected to the top end of the threaded rod. A belt transmission mechanism is fixedly connected between the two threaded rods. A protection mechanism for protecting the display screen is also provided between the threaded rod and the display component.

[0011] A rotating column is nested and connected to the top end of the placement block. An activity groove is opened inside the top end of the placement block. A clamping mechanism for stably placing the monitoring probe is provided between the activity groove and the placement block.

[0012] A placement groove is opened inside the placement block. A flexible mechanism for protecting the monitoring probe is provided between the bottom end of the placement groove and the placement block.

[0013] Preferably, the protection mechanism includes a winding groove opened at the upper end inside the display component. Fixed plates are fixedly connected to the left and right sides of the winding groove. A winding shaft is nested and connected to the fixed plates.

[0014] A connecting plate is threadedly connected to the threaded rod. The connecting plate is nested and connected to the display component. A folding protection plate is fixedly connected to the upper end of the connecting plate. At the same time, the upper end of the folding protection plate is wound around the winding shaft.

[0015] A first bevel gear is fixedly connected to the left-side threaded rod. A second bevel gear is fixedly connected to the left end of the winding shaft. The second bevel gear meshes with the first bevel gear.

[0016] Preferably, the connecting plate and the folding protection plate form an integral structure. The connecting plate forms a moving structure with the display component through the threaded rod. The folding protection plate has a certain flexibility.

[0017] Preferably, the winding shaft forms a rotating structure with the fixed plate through the second bevel gear. The folding protection plate can be wound through the winding shaft.

[0018] Preferably, the clamping mechanism includes an arc-shaped rotating rod hinged to the lower end of the rotating column. A fixed sleeve is fixedly connected to the upper end inside the activity groove. A pull rod is nested and connected to the inside of the fixed sleeve. The inner end of the pull rod is hinged to the outer end of the arc-shaped rotating rod.

[0019] A fixed shaft is fixedly connected to the lower end inside the activity groove. A support rod is nested and connected to the fixed shaft. A chute is opened on one side of the support rod. A sliding block is nested and connected to the inside of the chute. The upper end of the sliding block is hinged to the outer end of the pull rod.

[0020] An auxiliary plate is fixedly connected to the outer end of the monitoring probe. A clamping rod is fixedly connected to the lower end of the auxiliary plate. The clamping rod is nested and connected to the inside of the activity groove. The support rod is nested and connected to the inside of the clamping rod.

[0021] Preferably, four groups of the arc-shaped rotating rods are arranged in a circular array about the center point of the rotating column, and the outer end of the rotating column extends outside the placing block. The pull rod and the fixed sleeve form a sliding structure through the arc-shaped rotating rod.

[0022] Preferably, the sliding block and the chute form a sliding structure through the pull rod. The support rod and the fixed shaft form a rotating structure through the sliding block. The clamping rod is in a "U" shape when viewed frontally.

[0023] Preferably, the flexible mechanism includes a first airbag, the first airbag is fixedly connected to the inner bottom end of the placing groove, and the inner side end of the placing groove is fixedly connected with a second airbag, and a communication pipe runs through and connects the second airbag and the first airbag.

[0024] Preferably, the second airbag is annularly designed about the inner side end of the placing groove, and the second airbag is communicated with the first airbag through the communication pipe.

[0025] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0026] (1) Through the arrangement of the placing block, the user can place the monitoring probe inside the placing groove opened inside the placing block. At this time, the monitoring probe can be initially stored and placed, reducing the possibility that the monitoring probe has nowhere to be placed.

[0027] (2) When the monitoring probe is placed inside the placing groove, the bottom end of the monitoring probe will be in contact with the first airbag. The first airbag can protect the monitoring probe through its own flexible design. At the same time, the first airbag transports the gas inside to the inside of the second airbag through the communication pipe, causing the second airbag to expand, thereby protecting both sides of the monitoring probe.

[0028] (3) After the monitoring probe is placed, the clamping rod will be nested into the inside of the moving groove through the auxiliary plate. At this time, the user can manually rotate the rotating column, pull the pull rod to move through the arc-shaped rotating rod. At this time, the pull rod drives the support rod to rotate along the fixed shaft through the sliding block, so that the other side of the support rod enters the inside of the clamping rod. Through the mutual cooperation of the clamping rod and the support rod, the position of the monitoring probe can be limited, reducing the possibility that the monitoring probe disengages from the placing groove.

[0029] (4) The folding protection plate is arranged inside the display component. The folding protection plate can protect the display screen on the front side of the display component, and to a certain extent, reduce the possibility of damage to the display screen.

[0030] (5) When the user needs to use the monitor, the handle can be manually rotated. The rotation of the handle drives the threaded rod to rotate, so that the connecting plate can move upward stably. The first bevel gear drives the second bevel gear meshed with it to rotate, and the winding shaft rotates synchronously driven by the second bevel gear. Thus, in cooperation with the connecting plate, the folding protection plate is wound up, and the display screen is exposed outside, so as to carry out the monitoring operation. Brief Description of the Drawings

[0031] Figure 1 is a front view structural schematic diagram of the present invention;

[0032] Figure 2 is a top cross-sectional view structural schematic diagram of the placing block of the present invention;

[0033] Figure 3 is a front cross-sectional view structural schematic diagram of the placing block of the present invention;

[0034] Figure 4 is a front cross-sectional view structural schematic diagram of the rotating column of the present invention;

[0035] Figure 5 is a top view structural schematic diagram of the support rod of the present invention;

[0036] Figure 6 is a front cross-sectional view structural schematic diagram of the first airbag of the present invention;

[0037] Figure 7 is a front cross-sectional view structural schematic diagram of the movable groove of the present invention;

[0038] Figure 8 is a front cross-sectional view structural schematic diagram of the display component of the present invention;

[0039] Figure 9 is a front view structural schematic diagram of the first bevel gear of the present invention;

[0040] Figure 10 is a front view structural schematic diagram of the connecting plate of the present invention.

[0041] In the figure: 1, base; 2, display component; 3, data cable; 4, placing block; 5, monitoring probe; 6, threaded rod; 7, connecting plate; 8, folding protection plate; 9, handle; 10, belt transmission mechanism; 11, first bevel gear; 12, second bevel gear; 13, fixing plate; 14, winding shaft; 15, rotating column; 16, arc-shaped rotating rod; 17, fixing sleeve; 18, pull rod; 19, sliding block; 20, sliding groove; 21, fixing shaft; 22, support rod; 23, movable groove; 24, auxiliary plate; 25, engaging rod; 26, first airbag; 27, connecting pipe; 28, second airbag; 29, placing groove; 30, winding groove. Detailed Embodiments

[0042] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0043] Embodiment 1:

[0044] As Figure 1 、 Figure 8 、 Figure 9 and Figure 10 shown in the technical solution, the present utility provides the following technical solution: An obstetric fetal monitor with a breathable and anti-falling contact member discloses a protection mechanism. Through the protection mechanism, the display screen can be protected to reduce the possibility of damage to the display screen when not in use:

[0045] Base 1, a display component 2 is fixedly connected above the base 1, a placement block 4 is fixedly connected to the left side of the base 1, a data cable 3 is docked at the front side of the base 1, and the outer end of the data cable 3 is electrically connected to a monitoring probe 5;

[0046] Threaded rod 6, the threaded rod 6 is nested and connected to the left and right sides inside the display component 2, the top of the threaded rod 6 is fixedly connected with a handle 9, and a belt transmission mechanism 10 is fixedly connected between the two threaded rods 6. A protection mechanism for protecting the display screen is also provided between the threaded rod 6 and the display component 2;

[0047] The protection mechanism includes a winding groove 30, the winding groove 30 is opened at the upper end inside the display component 2, fixing plates 13 are fixedly connected to the left and right sides of the winding groove 30, and a winding shaft 14 is nested and connected to the fixing plates 13;

[0048] A connecting plate 7 is threadedly connected to the threaded rod 6, the connecting plate 7 is nested and connected to the display component 2, the upper end of the connecting plate 7 is fixedly connected with a folding protection plate 8, and the upper end of the folding protection plate 8 is wound around the winding shaft 14; a first bevel gear 11 is fixedly connected to the left threaded rod 6, a second bevel gear 12 is fixedly connected to the left end of the winding shaft 14, and the second bevel gear 12 meshes with the first bevel gear 11;

[0049] The connecting plate 7 and the folding protection plate 8 form an integrated structure, and the connecting plate 7 forms a moving structure with the display component 2 through the threaded rod 6, and the folding protection plate 8 has a certain flexibility. The winding shaft 14 forms a rotating structure with the fixing plate 13 through the second bevel gear 12, and the folding protection plate 8 can be wound through the winding shaft 14.

[0050] When the user needs to use the monitor, the handle 9 can be manually rotated. The rotation of the handle 9 drives the threaded rod 6 to rotate. At the same time, under the action of the belt transmission mechanism 10, the threaded rods 6 on both sides rotate synchronously, so that the connecting plate 7 can move upward stably. When the threaded rod 6 rotates, it drives the second bevel gear 12 meshing with it to rotate through the first bevel gear 11. At this time, the winding shaft 14 rotates synchronously under the drive of the second bevel gear 12, so as to cooperate with the connecting plate 7 to wind up the folding protection plate 8, making the display screen exposed, and then carrying out the monitoring operation. The folding protection plate 8 is arranged inside the display component 2, and the display screen on the front side of the display component 2 can be protected by the folding protection plate 8, which can reduce the possibility of damage to the display screen to a certain extent.

[0051] Embodiment 2:

[0052] As Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 7 As shown in the technical solution, the present utility model provides the following technical solution: An obstetric fetal monitor provided with a breathable anti-falling contact member discloses a clamping mechanism, through which the monitoring probe 5 can be stably placed, reducing the possibility of the monitoring probe 5 falling off:

[0053] The rotating column 15 is nested and connected to the top end of the placing block 4, and an activity groove 23 is opened inside the top end of the placing block 4, and a clamping mechanism for stably placing the monitoring probe 5 is provided between the activity groove 23 and the placing block 4;

[0054] The clamping mechanism includes an arc-shaped rotating rod 16, the arc-shaped rotating rod 16 is hinged to the lower end of the rotating column 15, a fixed sleeve 17 is fixedly connected to the upper end inside the activity groove 23, a pull rod 18 is nested and connected inside the fixed sleeve 17, and the inner end of the pull rod 18 is hinged to the outer end of the arc-shaped rotating rod 16; a fixed shaft 21 is fixedly connected to the lower end inside the activity groove 23, a support rod 22 is nested and connected to the fixed shaft 21, a chute 20 is opened on one side of the support rod 22, a sliding block 19 is nested and connected inside the chute 20, and the upper end of the sliding block 19 is hinged to the outer end of the pull rod 18; an auxiliary plate 24 is fixedly connected to the outer end of the monitoring probe 5, a clamping rod 25 is fixedly connected to the lower end of the auxiliary plate 24, the clamping rod 25 is nested and connected inside the activity groove 23, and the support rod 22 is nested and connected inside the clamping rod 25;

[0055] Four groups of arc-shaped rotating rods 16 are arranged in a circular array around the center point of the rotating column 15, and the outer end of the rotating column 15 extends outside the placing block 4. The pull rod 18 forms a sliding structure with the fixed sleeve 17 through the arc-shaped rotating rod 16, the sliding block 19 forms a sliding structure with the sliding groove 20 through the pull rod 18, and the support rod 22 forms a rotating structure with the fixed shaft 21 through the sliding block 19. The engaging rod 25 is in a "U" shape when viewed from the front.

[0056] After the monitoring probe 5 is placed, the engaging rod 25 will be nested into the inside of the movable groove 23 through the auxiliary plate 24. At this time, the user can manually rotate the rotating column 15, so that the rotating column 15 drives the arc-shaped rotating rod 16 to rotate inside the movable groove 23. When the arc-shaped rotating rod 16 rotates, it will pull the pull rod 18 to move in a limited way inside the fixed sleeve 17. At this time, the pull rod 16 will drive the sliding block 19 to move inside the sliding groove 20 opened on the side of the support rod 22, so as to drive the support rod 22 to rotate along the fixed shaft 21, so that the other side of the support rod 22 enters into the inside of the engaging rod 25. At this time, through the mutual cooperation of the engaging rod 25 and the support rod 22, the position of the monitoring probe 5 can be limited, reducing the possibility of the monitoring probe 5 detaching from the placing groove 29.

[0057] Embodiment Three:

[0058] As Figure 3 and Figure 6 shown in the technical solution, the present utility model provides the following technical solution: An obstetric fetal monitor provided with a breathable and anti-dropping contact member discloses a flexible mechanism, and the monitoring probe 5 can be further protected through the flexible mechanism:

[0059] The placing groove 29 is opened inside the placing block 4, and a flexible mechanism for protecting the monitoring probe 5 is arranged between the bottom end of the placing groove 29 and the placing block 4;

[0060] The flexible mechanism includes a first airbag 26, the first airbag 26 is fixedly connected to the inner bottom end of the placing groove 29, and a second airbag 28 is fixedly connected to the inner side end of the placing groove 29, and a communication pipe 27 runs through and connects the second airbag 28 and the first airbag 26; the second airbag 28 is designed in a ring shape around the inner side end of the placing groove 29, and the second airbag 28 is connected and communicated with the first airbag 26 through the communication pipe 27.

[0061] When the monitoring probe 5 is placed inside the placing groove 29, the bottom end of the monitoring probe 5 will be in contact with the first airbag 26. The first airbag 26 can protect the monitoring probe 5 through its own flexible design. At the same time, when the first airbag 26 is squeezed by the monitoring probe 5, it will transport the gas inside to the inside of the second airbag 28 through the communication pipe 27, causing the second airbag 28 to expand, thereby protecting both sides of the monitoring probe 5.

[0062] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An obstetric fetal monitor with a breathable and anti-falling contact component, comprising a base (1). Above the base (1), a display component (2) is fixedly connected. On the left side of the base (1), a placement block (4) is fixedly connected. In the front of the base (1), a data cable (3) is docked. At the outer end of the data cable (3), a monitoring probe (5) is electrically connected. It is characterized in that It further includes: A threaded rod (6) is nested on the left and right sides inside the display component (2). At the top of the threaded rod (6), a handle (9) is fixedly connected. Between the two groups of threaded rods (6), a belt transmission mechanism (10) is fixedly connected. A protection mechanism for protecting the display screen is also provided between the threaded rod (6) and the display component (2). A rotating column (15) is nested at the top of the placement block (4). Inside the top of the placement block (4), a movable groove (23) is opened. A clamping mechanism for stably placing the monitoring probe (5) is provided between the movable groove (23) and the placement block (4). A placement groove (29) is opened inside the placement block (4). A flexible mechanism for protecting the monitoring probe (5) is provided between the bottom end of the placement groove (29) and the placement block (4).

2. The obstetric fetal monitor with a breathable and anti-falling contact member according to claim 1, characterized in that: The protection mechanism includes a winding groove (30) opened at the upper end inside the display component (2). On the left and right sides of the winding groove (30), fixing plates (13) are fixedly connected. On the fixing plates (13), winding shafts (14) are nested. A connecting plate (7) is threadedly connected to the threaded rod (6). The connecting plate (7) is nested on the display component (2). At the upper end of the connecting plate (7), a folding protection plate (8) is fixedly connected. At the upper end of the folding protection plate (8), it is wound around the winding shaft (14). On the left threaded rod (6), a first bevel gear (11) is fixedly connected. At the left end of the winding shaft (14), a second bevel gear (12) is fixedly connected. The second bevel gear (12) meshes with the first bevel gear (11).

3. An obstetric fetal monitor with a breathable and anti-falling contact member according to claim 2, characterized in that: The connecting plate (7) and the folding protection plate (8) form an integrated structure. The connecting plate (7) forms a moving structure with the display component (2) through the threaded rod (6). The folding protection plate (8) has a certain flexibility.

4. An obstetric fetal monitor provided with a breathable and anti-falling contact member according to claim 2, characterized in that: The winding shaft (14) forms a rotating structure with the fixing plate (13) through the second bevel gear (12). The folding protection plate (8) can be wound through the winding shaft (14).

5. An obstetric fetal monitor provided with a breathable and anti-dropping contact member according to claim 1, characterized in that: The clamping mechanism includes an arc-shaped rotating rod (16) hinged at the lower end of the rotating column (15). At the upper end inside the movable groove (23), a fixed sleeve (17) is fixedly connected. Inside the fixed sleeve (17), a pull rod (18) is nested. The inner end of the pull rod (18) is hinged to the outer end of the arc-shaped rotating rod (16). A fixed shaft (21) is fixedly connected to the lower end inside the movable groove (23), a support rod (22) is nested on the fixed shaft (21), a chute (20) is formed on one side of the support rod (22), a sliding block (19) is nested inside the chute (20), and the upper end of the sliding block (19) is hinged to the outer end of the pull rod (18). An auxiliary plate (24) is fixedly connected to the outer end of the monitoring probe (5), a clamping rod (25) is fixedly connected to the lower end of the auxiliary plate (24), the clamping rod (25) is nested inside the movable groove (23), and the support rod (22) is nested inside the clamping rod (25).

6. An obstetric fetal monitor provided with a breathable and anti-falling contact member according to claim 5, characterized in that: Four groups of arc-shaped rotating rods (16) are arranged in a circular array around the center point of the rotating column (15), the outer end of the rotating column (15) extends outside the placing block (4), and the pull rod (18) forms a sliding structure with the fixed sleeve (17) through the arc-shaped rotating rod (16).

7. An obstetric fetal monitor with a breathable and anti-drop contact member according to claim 5, characterized in that: The sliding block (19) forms a sliding structure with the chute (20) through the pull rod (18), the support rod (22) forms a rotating structure with the fixed shaft (21) through the sliding block (19), and the front view of the clamping rod (25) is in a "U" shape.

8. An obstetric fetal monitor with a breathable and anti-drop contact member according to claim 1, characterized in that: The flexible mechanism includes a first airbag (26), the first airbag (26) is fixedly connected to the inner bottom end of the placing groove (29), a second airbag (28) is fixedly connected to the inner side end of the placing groove (29), and a connecting pipe (27) runs through and connects the second airbag (28) and the first airbag (26).

9. An obstetric fetal monitor with a breathable and anti-falling contact member according to claim 8, characterized in that: The second airbag (28) is annularly designed on the inner side end of the placing groove (29), and the second airbag (28) is communicated with the first airbag (26) through the connecting pipe (27).

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