EP1574197A1 - System comprising a medical equipment carrier, a cart, a stationary base and a coupling mechanism therefor. - Google Patents

Abstract

The portable appliance trolley with infusion units and pumps etc., to be used at an operating table or intensive care bed (33), has a mechanism to couple a stand (3) at a static holder or a trolley (15). At least one suspension point (10,12) is at the static holder and at a moving holder at the trolley column (4).

Description

The invention relates to a coupling mechanism of a mobile equipment cart for coupling a device carrier for medical Equipment. A device carrier to be coupled with the mobile equipment cart For example, it may be an infusion unit, the pump rods which usually has several motorized Infusion pumps or syringe pumps or even simple Infusion bottles are attached for gravity infusion.

Such infusion units can be located both in the operating room as well as in intensive care units. There they are, for example removably attached to appropriate ceiling or wall tripods.

To continue the patient during intra-hospital transport patients need to continue with the medical care Devices remain connected. For this purpose, for example, the device carrier in the form of the infusion unit of the ceiling or wall stand removed and together with a hospital bed in which the Patient is moving.

From the German patent document P 39 17 892 is an infusion supply device known to have a supply connections having a support plate, each having a detachable connection on the one hand with a stationary tripod and on the other hand with a mobile cart.

The mobile cart has a boom on which the tray the infusion device can be stored. The transfer of the infusion device from the stationary Tripod on the mobile cart is done by the boom of the mobile carriage under the shelf of the infusion device is brought and the shelf plate engages under and picks up. The boom is then raised slightly, so that he the tray with the infusion device wearing. The principle corresponds to the operation of a Forklift. However, this solution is expensive in construction and in handling.

It is therefore an object of the present invention, a coupling mechanism to provide a mobile equipment cart, through a simple handling and design distinguishes.

This object is solved by the features of claim 1. Further advantageous embodiments of the invention are the subject the dependent claims.

The provision of a lever mechanism ensures a simple construction and low operating forces. The simple mechanics is not susceptible to interference and thus can be a permanent and reliable Working method can be guaranteed.

The advantageous development by a vertical displacement a recording that is movable in a column of the mobile Equipment cart is stored, ensures a defined leadership of movable recording, whereby the coupling process simplified becomes.

According to a further advantageous embodiment of the invention a cross strut on the equipment rack is provided as a suspension device. The provision of a receiving element on a stationary Recording unit, z. A medical ceiling stand, and / or on the mobile equipment cart for receiving the crossbar ensures a simple coupling process.

A further advantageous development is provided by the provision of two vertically spaced crossbars as suspension devices and two corresponding shots on the mobile equipment cart or realized at the stationary receiving unit because thereby tilting the mobile infusion unit during the Coupling or decoupling can be avoided.

A further advantageous development is in the pivoting mechanism according to claim 4, characterized by a circular pivoting movement is converted into a vertical up and down movement, wherein the pivoting element serves as a lever, the necessary Forces reduced to lift the movable receptacle and the Handling simplified.

According to a further advantageous embodiment according to claim 16 can be prevented that create a labile balance can, causing the moving recording easily accidentally brought from the raised position in the lowered position could be. The deepening in the scenery rather ensures that the bolt by partial positive engagement in this position remains and only by overcoming a resistance by an increased force is brought from this position can.

Other features and advantages of the invention will become apparent from the Description of a presently preferred embodiment below Reference to the attached figures.

FIG. 1 shows a perspective view of a mobile equipment cart, a ceiling tripod and a hospital bed.

FIG. 2 shows the situation from FIG. 1 in a different angle.

FIG. 3 shows a perspective view of a movable one Admission.

FIG. 4 shows the movable receptacle from FIG. 3 and a column of the mobile equipment cart in cross section.

Figure 5 shows a perspective view of the movable Recording and the pillar of the mobile equipment cart.

Figure 6 shows the perspective view of Figure 5 in one different point of view.

Figure 7 shows the perspective view of Figure 6 in one other operating position.

Figure 8 shows the perspective view of Figure 6 in one other operating position.

FIGS. 9a to 9e show the coupling process from the side.

In Figure 1, a stationary receiving unit 3 in the form of a Tripod head of a medical ceiling tripod, a mobile equipment cart 15, and a hospital bed 33 shown schematically. The stationary receiving unit 3 has on a front side 1a stationary receiving elements 1, which are hook-shaped are. In the present embodiment, a total of four provided hook-shaped receiving elements 1, wherein two each are arranged side by side to a pair and two pairs side by side arranged hooks at a distance perpendicular to each other are provided. The hooks are slightly bent up to to ensure a secure hooking.

The mobile equipment cart 15 has a chassis 31 on which a column 4 is attached. There is a docking device on the pillar 32 provided to the mobile equipment cart to the hospital bed 33 dock.

In Figure 2, the mobile equipment cart 15 is from the other side to see. On the column 4, a pump rod support 2 is coupled. In the present embodiment, the pump rod carrier from two carrier profiles 29 and 30, which cross over struts 10, 12 are interconnected. To the outside facing sides of the carrier profiles 29 and 30 are horizontally retaining arms 7 mounted, which in turn hold pump rods 8, as both can be seen in Figure 1 and 2. On the pump rod 8 are in the present embodiment syringe pumps 9, the here shown only schematically attached. The outward pointing side of the carrier profiles 29 and 30 is in the present Embodiment provided with sockets 11. The electric Connection of the pump rod carrier must then only one or two connections with the external supply. Further may be provided on the pump rod support batteries, the enable battery operation of the mobile infusion unit, if the engine splash, etc. from the external power supply be temporarily disconnected.

In detail, FIGS. 3 to 5 show the movable receptacle 5 and column 4, which is explained in detail below become.

As can be seen in FIG. 3, the movable receptacle 5 exists a C-profile with a broad base 5a and short legs 5b. According to FIG. 3, on the side facing away from the legs 5b the base 5a receiving elements 25 is provided. In the present Embodiment is also the same here hook-shaped receiving elements such as those already described above hook-shaped receiving elements 1, which are attached to the tripod head 3 are. Their explanation is referred to. Accordingly are also on the movable receptacle 5 two horizontally provided side by side pairs of receiving elements 25. Further, on the short legs 5b on each other side facing rollers 23 provided which are rotatably mounted are. Furthermore, rollers 34 are attached to the base 5a of the C-profile the movable receptacle 5 is provided. These are stored that their axes of rotation are aligned parallel to the short legs are.

As can be seen in FIG. 3, it extends along the central axis the movable receptacle 5 a link element 16 vertically to the base 5a of the C-profile or parallel to the short Thighs 5b. The link element 16 is tab-shaped and has a backdrop 17 in the form of a horizontally extending Long hole. The gate 17 has at the base 5a of the C-profile opposite side two recesses 17a and 17b, the mounted state in Fig 3 show up and down.

As can be seen in Figure 4, serve the rollers 23 for guidance the movable receptacle 5 in the column 4. The column 4 has a suitable profile, which in cross section a plurality of rectangular Ridges 35, on which the rollers 23 run along. Furthermore, the column 4 has on each side in the central region a rib 36 extending at right angles. These, together with a back of a rib 35, serve for guidance of the rollers 34. By these interlocking profiles of the movable Shot 5 and Pillar 4 will be a stable and uniform guidance of the movable receptacle 5 at its on and Abbewegung achieved.

According to FIG. 6, a spacer element 18 is fastened to the column 4, which is also tab-shaped and parallel extends to the gate element 16. At the spacer element 18 is a pivot member provided with a handle 22 19 rotatably mounted. The rotatable storage takes place via a Pivot axis 20. As can be seen in Figure 4, the link element protrudes 16 through a slot, not shown in the Column 4. This slot extends vertically in the middle of the Column 4. It is longer than the link element 16, so that the Gate element 16 and thus the entire movable receptacle. 5 is slidable in the slot. The pivoting element 19 has Furthermore, a bolt 21 which extends through the link 17. The bolt 21 and the pivot axis 20 are at a distance d shown in Fig. 7 is spaced from each other.

In the following, the pivoting movement of the pivoting element 19 and the associated lifting movement of the movable receptacle 5 based Figures 6 to 8 and 9a to 9e explained in more detail.

FIG. 6 shows the pivoting element 19 in a position in which the handle 22 points upwards. This is the position in which the mobile equipment cart 15 for coupling to the on the tripod head. 3 mounted pump rod support 2 is moved up. The recording elements 25 are in the lowest position, as can be seen in comparison with Figures 7 and 8. The Pivot axis 20 and the bolt 21 are perpendicular to each other arranged. The bolt 21 is located at the outer left end the backdrop 17 in the recess 17a (see Figure 3). This position corresponds to the situation shown in Figure 9b.

If the handle 22 is rotated by 90 ° counterclockwise, reached the horizontal position shown in Figure 7 is. In this position are the bolt 21 and the Pivot axis 20 in a horizontal plane passing through the gate 17 goes. The bolt 21 moves while in the gate 17th forced from its leftmost position in Figure 6 in the extreme right position according to Figure 7. To such a movement It is necessary for that to be possible at all Gate element 16 is vertically movable. This is done by the already mentioned slot in the column 4 allows, so that the gate element 16 and thus the entire movable recording 5 can move up and down. This position corresponds to that in FIG 9c illustrated situation.

Now, the handle 22 is pivoted by another 90 ° down, the position is reached, as shown in Figure 8. The pivot axis 20 and the bolt 21 are now back in one arranged common vertical plane. The bolt 21 is located back in the leftmost position the scenery 17, more specifically in the recess 17b. Around To allow movement, the gate element 16 still needs to are moved upwards, together with the movable receptacle 5 and the attached receiving elements 25, as shown in Figure 8 is. Now the receiving elements 25 are in one higher position than the receiving elements 1 of the tripod head 3. This position corresponds to the position shown in FIG. 9d is shown.

As can be seen in Figures 9b to 9d, thereby the pump rod carrier 2 from the position in which he is in the receiving elements 1 is mounted on the tripod head 3, placed in a position, in which he on the receiving elements 25 of the mobile infusion unit 15 is mounted. As shown in FIG. 9e, the mobile equipment cart can now be removed from the tripod head 3 become. The transfer of the pump rod carrier 2 to the mobile Equipment cart 15 thus takes place by a pivoting movement of the Swivel element 19 on the handle 22 by 180 ° from top to bottom below, wherein the rotational movement over the described Swivel mechanism converted into a straight-line lifting movement becomes.

In the present embodiment, the lifting movement is through supports the force of a gas spring 24, shown in Figure 5 is. The gas spring 24 is on both the column 4 and on the movable receptacle 5 is fixed and urges the movable receptacle 5 upwards. By the upward movement will help with the receiving elements 25 on the mobile equipment cart the rear Cross struts 10 and 27 of the pump rod support 2 from the receiving elements 1 lifted on the tripod head 3 and the front cross struts 12 and 26 are only on the receiving elements 25.

A labile balance through which the intake 5 undesirably could be brought from the raised position, is provided by the provision of the recess 17 b in the gate 17 of the Gate element 16 and the resulting partial Positive locking prevented.

It is also possible to attach to the mobile equipment cart other devices, such as a respirator, O ₂ bottles, an emergency kit, a separating transformer, etc.

The pump rod carrier 2 can after the separation of the electric Supplying the devices mounted on it from the tripod head 3 weggefahren and coupled to the hospital bed 33. By the positioning of the coupling mechanism on the opposite Side of the shots for the pump rod carrier 2 is it not required, the mobile equipment cart around its vertical axis to turn so that the supply lines going to the patient do not have to be led around the mobile equipment cart.

The transfer to the receiving elements 1 on the tripod head 3 takes place mutatis mutandis in the reverse order.

Claims (16)

Coupling mechanism for coupling a device carrier (2) to a stationary receiving unit or to a mobile equipment cart (15), wherein the device carrier (2) has at least one suspension device (10, 12), the stationary receiving unit has at least one receiving element (1) for receiving the suspension device (10), the mobile equipment cart (15) has a column (4) and a receptacle (5) which is movable relative thereto and has at least one receiving element (25) for receiving the suspension device (10, 12), the coupling mechanism comprises a movement device for moving the movable receptacle (5). Coupling mechanism according to claim 1, wherein the suspension device (10, 12) a substantially horizontally extending Cross strut is. Coupling mechanism according to claim 1 or 2, wherein the movable Recording (5) is substantially vertically movable. Coupling mechanism according to one of the preceding claims, wherein on the movable receptacle (5) a link element (16) is provided with a substantially horizontally extending link (17), a spacing element (18) extending parallel to the link element (16) is provided on the column (4), on which a pivoting element (19) is rotatably mounted via a pivot axis (20), the pivot element being at a certain distance (d) to the pivot axis has a substantially horizontally extending pin (21) which extends through the gate. Coupling mechanism according to the preceding claim, wherein on the pivoting element (13) a handle (22) is provided is. Coupling mechanism according to one of the preceding claims, wherein in the column (4) provided a vertical slot is. Coupling mechanism according to one of the preceding claims, wherein the movable receptacle (5) and / or the column (4) Rollers (23, 34) for mutual guidance in the vertical Has displacement of both parts to each other. Coupling mechanism according to one of the preceding claims, wherein a gas spring (24) is provided, which at the Column (4) and the movable receptacle (5) is attached and the vertical movement of the movable receptacle (5) supported. Coupling mechanism according to one of the preceding claims, wherein the movable receptacle (5) at least one receiving element (25). Coupling mechanism according to one of the preceding claims, wherein the movable receptacle (5) two vertically one above the other having arranged receiving elements (25). Coupling mechanism according to one of the preceding claims, wherein the receiving element (1, 25) hook-shaped is. Coupling mechanism according to one of the preceding claims, wherein a first front transverse strut (12) for the coupling with the mobile equipment cart (15) and a first rear Cross strut (10) for coupling with the stationary receiving unit (3) is provided. Coupling mechanism according to one of the preceding claims, wherein a second front transverse strut (26) is provided, vertically spaced from the first front cross member (12) is arranged. Coupling mechanism according to one of the preceding claims, wherein a second rear transverse strut (27) is provided, vertically spaced from the first rear cross member (10) is arranged. Coupling mechanism according to one of the preceding claims, the device carrier (2) having two carrier profiles (29, 30), the over the cross struts (10, 12, 26, 27) with each other are connected. Coupling mechanism according to one of the preceding claims 4 to 15, wherein the scenery (17) at one end, at which the pin (21) is located when the receptacle (5) in the raised Condition is, a recess (17b).

Images