CN215504722U - Pump head for single blood plasma collection - Google Patents

Abstract

The utility model discloses a pump head for single blood plasma collection, which comprises: the upper surface of the top of the pump head body is provided with a flip cover handle which can be turned over; the side wall of the periphery of the pump head body is inwards sunken to form an annular open groove, a pair of rotatable rotating rollers is vertically arranged in the open groove, and the two rotating rollers are symmetrically distributed by taking the central axis of the pump head body as a center; and a pair of guide wheels is vertically arranged in the open groove, the two guide wheels are symmetrically arranged by taking the central axis of the pump head body as a center, and the guide wheels and the rotating roller are arranged in a cross manner. The pump head for single blood collection provided by the utility model has the advantages that the strength required by manual pump rotation is greatly reduced through the arrangement of the flip handle, the labor intensity of nurses is reduced, the operation of the nurses is facilitated, and the use feeling is improved; the flip handle adopts and to turn the setting, can cover the flip handle on the pump head body when not needing the flip handle, avoids the flip handle of expenditure to influence the normal work of blood pump.

Description

Pump head for single blood plasma collection

Technical Field

The utility model relates to the technical field of plasma apheresis, in particular to a pump head for apheresis.

Background

The plasma apheresis is the separation of blood components according to the difference in density of the blood components to obtain high quality plasma, ensuring that other components of the blood are not damaged and then safely returning the blood to the plasma donor. Blood pumps are required to transport blood for plasma apheresis. In prior art, when installing the pump line or manual still defeated to the blood pump, need rotate the pump head with the hand, the nurse often manually grips the pump head top and rotates the pump head, but because the blood pump relies on the extrusion hose to carry blood (rely on gyro wheel on the pump head and pump case inner wall extrusion hose), the resistance is very big during manual pump rotation, and this kind of mode causes nurse's intensity of labour big, and operating efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages described hereinafter.

In order to solve the defects of the prior art, the utility model provides a pump head for single blood plasma collection, which comprises:

the upper surface of the top of the pump head body is provided with a flip cover handle which can be turned over;

the side wall of the periphery of the pump head body is inwards sunken to form an annular open groove, a pair of rotatable rotating rollers is vertically arranged in the open groove, and the two rotating rollers are symmetrically distributed by taking the central axis of the pump head body as a center;

and a pair of guide wheels is vertically arranged in the open groove, the two guide wheels are symmetrically arranged by taking the central axis of the pump head body as a center, and the guide wheels and the rotating roller are arranged in a cross manner.

Further, the vertical supporting seat that is equipped with of pump head body upper surface, transversely run through on the supporting seat has the horizontal pole, flip handle tip is sunken to have and is used for holding the groove of stepping down of supporting seat, the groove body of stepping down the groove both sides all open have with the through-hole that the horizontal pole matches.

Furthermore, arc-shaped buffering parts are arranged at the corners of the periphery of the flip cover handle.

Furthermore, the internal surface of flip handle is sunken to have the holding tank, the holding tank is close to flip handle free end's one end articulates there is handheld pole, handheld pole is in overturn in the holding tank.

Further, the holding tank is the convex font structure, the holding tank is kept away from the one end of flip handle free end is the macrostoma end.

Further, the rotating roller is rotatably sleeved on a supporting pin, and the supporting pin is vertically arranged in the open groove.

Further, the guide wheel is installed on the support column and can rotate around the support column, and the support column is vertically installed in the open groove.

The utility model at least comprises the following beneficial effects: the pump head for single blood collection prolongs the force arm through the arrangement of the flip handle, greatly reduces the labor required when the pump head body is manually rotated, effectively reduces the labor intensity of nurses, improves the operation efficiency of nurses, and also improves the use feeling of nurses; meanwhile, the flip handle is arranged in a flip mode, the flip handle can be covered on the pump head body when the flip handle is not needed, and the phenomenon that the normal work of the blood pump is influenced by the expanded flip handle to influence the work of single blood collection is avoided.

Drawings

Fig. 1 is a schematic diagram of the structure of the pump head for plasma apheresis of the present invention.

Fig. 2 is a partially enlarged structural view of a in fig. 1 according to the present invention.

Reference numerals: 1-pump head body, 2-flip handle, 21-arc buffer part, 3-open groove, 4-roller, 5-guide wheel, 6-support seat, 7-abdicating groove, 8-through hole, 9-holding groove, 10-hand rod, 11-support pin and 12-support column.

Detailed Description

The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the utility model by referring to the description text.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

Fig. 1 to 2 show a pump head for apheresis according to the present invention, comprising:

the pump comprises a pump body 1, wherein a flip cover handle 2 capable of being turned over is arranged on the upper surface of the top of the pump body 1;

the peripheral side wall of the pump head body 1 is inwards sunken to form an annular open groove 3, a pair of rotatable rotating rollers 4 is vertically arranged in the open groove 3, and the two rotating rollers 4 are symmetrically distributed by taking the central axis of the pump head body 1 as a center;

a pair of guide wheels 5 is vertically arranged in the open groove 3, the two guide wheels 5 are symmetrically arranged by taking the central axis of the pump head body 1 as the center, and the guide wheels 5 and the rotating roller 4 are arranged in a cross manner.

In the technical scheme, the force arm is lengthened due to the arrangement of the flip cover handle 2, so that the strength required when the pump head body 1 is manually rotated is greatly reduced, the labor intensity of a nurse is effectively reduced, the operation efficiency of the nurse is improved, and the use feeling of the nurse is also improved; meanwhile, the flip handle 2 is arranged in a flip mode, the flip handle 2 can be covered on the pump head body 1 when the flip handle 2 is not needed, and the phenomenon that the normal work of the blood pump is influenced by the expanded flip handle 2 to influence the work of blood sampling alone is avoided.

The working principle is as follows: the pump head body 1 is arranged on a pump shell (not shown), the pump head body 1 is connected with a power source (such as a driving motor), when a hollow hose is arranged, an operator turns the flip handle 2 out of the upper surface of the pump head body 1, holds the flip handle 2, rotates the pump head body 1 by using external force so as to assemble the hose, and then turns the flip handle 2 on the pump head body 1; the hose is clamped between the pump shell and the rotating rollers 4, a small amount of clearance is reserved between the rotating rollers 4 and the pump shell, the hose is closed at the pressing point positions of the pump shell and the rotating rollers 4, a larger clearance is reserved between the guide wheel 5 and the pump shell, the guide wheel 5 plays a guiding role, when the power source drives the pump head body 1 to rotate, the pump head body 1 drives the two rotating rollers 4 to sequentially roll through the hose, the hose is alternately and repeatedly extruded and released, and the extrusion effect generates vacuum so as to suck blood into the hose and enable the blood to pass through the hose, so that the blood pumping is completed.

In another example, the vertical supporting seat 6 that is equipped with of pump head body 1 upper surface, transversely run through on the supporting seat and have the horizontal pole, 2 end recesses of flip handle have and are used for holding supporting seat 6 step down groove 7, the cell body of 7 both sides in the groove of stepping down all open have with through-hole 8 that the horizontal pole matches. By adopting the scheme, the flip cover handle 2 can be turned around the cross rod, so that the turning operation of the flip cover handle 2 is convenient and fast.

In another example, the flip handle 2 is provided with arc-shaped buffering parts 21 at the corners of the periphery. By adopting the scheme, the sharp corner edges can be prevented from scratching hands and scratching the hose when the flip cover handle 2 is turned over.

In another example, a holding groove 9 is recessed on the inner surface of the flip handle 2, one end of the holding groove 9 close to the free end of the flip handle 2 is hinged with a handheld rod 10, and the handheld rod 10 is turned inside the holding groove 9. By adopting the scheme, the hand-held rod 10 is further convenient for a nurse to hold, the force arm is further increased, and the force of the nurse is saved; while the hand-held lever 10 is turned inside the receiving groove 9, the hand-held lever 10 is received to be hidden inside the receiving groove 9 when not in use.

In another example, the accommodating groove 9 is in a convex structure, and one end of the accommodating groove 9, which is far away from the free end of the flip handle 2, is a large-mouth end. With this arrangement, the nurse can easily turn the hand-held lever 10 out of the storage tub 9.

In another example, the roller 4 is rotatably fitted over a support pin 11, and the support pin 11 is vertically installed in the open groove 3. With this arrangement, the rollers 4 rotate around the support pins.

In another example, the guide wheel 5 is mounted on a support column 12 and the guide wheel 2 can rotate around the support column 12, and the support column 12 is vertically mounted in the open slot 3. With this arrangement, the guide wheel 5 is smoothly rotated to perform a guiding action.

In the description of the present invention, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", etc. are referred to, they refer to the indicated orientation or positional relationship shown in the drawings, only for convenience of description and simplicity of description, and not to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. The terms "mounted," "disposed," "provided," "connected," "sleeved," and the like are to be construed broadly if referring to the words "mounted," "disposed," "provided," "connected," and the like. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

While embodiments of the utility model have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable to various fields of endeavor for which the utility model may be embodied and broadly described herein, it being recognized that the utility model is not limited to the specific details and illustrations contained herein as shown and described, since various modifications and changes may be made therein by those skilled in the art without departing from the general concept defined by the appended claims and their equivalents.

Claims (6)

1. A pump head for apheresis, comprising:

the pump comprises a pump body (1), wherein a flip handle (2) capable of being turned over is arranged on the upper surface of the top of the pump body (1); an accommodating groove (9) is formed in the inner surface of the flip handle (2) in a concave mode, a handheld rod (10) is hinged to one end, close to the free end of the flip handle (2), of the accommodating groove (9), and the handheld rod (10) is turned in the accommodating groove (9);

the pump head body (1) is characterized in that the peripheral side wall of the pump head body (1) is inwards sunken to form an annular open groove (3), a pair of rotatable rotating rollers (4) is vertically arranged in the open groove (3), and the two rotating rollers (4) are symmetrically distributed by taking the central axis of the pump head body (1) as the center;

a pair of guide wheels (5) is vertically arranged in the open groove (3), the two guide wheels (5) are symmetrically arranged by taking the central axis of the pump head body (1) as the center, and the guide wheels (5) and the rotating roller (4) are arranged in a cross shape.

2. A pump head for apheresis plasma according to claim 1, characterized in that, the upper surface of the pump head body (1) is vertically provided with a supporting seat (6), a cross rod transversely penetrates the supporting seat (6), the end of the flip handle (2) is recessed with a yielding groove (7) for accommodating the supporting seat (6), and through holes (8) matched with the cross rod are opened on the groove bodies at both sides of the yielding groove (7).

3. A pump head for apheresis, as claimed in claim 1, wherein, the flip handle (2) is provided with an arc-shaped buffer part (21) at the corner.

4. A pump head for apheresis plasma according to claim 1, wherein said holding groove (9) is of a convex structure, and the end of said holding groove (9) far from the free end of said flip handle (2) is a big end.

5. A pump head for apheresis according to claim 1, wherein said roller (4) is rotatably mounted on a support pin (11), said support pin (11) being vertically mounted in said open channel (3).

6. A pump head for apheresis as claimed in claim 1, wherein said guide wheel (5) is mounted on a support post (12) and the guide wheel (5) is rotatable about said support post (12), said support post (12) being mounted vertically within said open well (3).

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