CN212282414U

CN212282414U - Injection pump and injection system

Info

Publication number: CN212282414U
Application number: CN201921988178.6U
Authority: CN
Inventors: 赵鹏仕; 刘华勇; 卢艺; 左鹏飞; 邓南方
Original assignee: Shenzhen Mindray Scientific Co Ltd
Current assignee: Shenzhen Mindray Scientific Co Ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2021-01-05
Anticipated expiration: 2029-11-15

Abstract

The utility model discloses an injection pump and an injection system, wherein a holding tank for holding an injector body is arranged in a pump main body, a mounting groove for mounting and holding a clamping handle is arranged on the side wall of the holding tank, and the clamping handle is used for clamping the injector body in the holding tank; the pump door is rotationally connected with the pump main body and is provided with a door position and a door opening position; when the pump door is in a closed position, at least two sides of the pump door are connected with the pump main body, an accommodating space is formed between the back surface of the pump door and the front surface of the pump main body, and the clamping handle and at least a part of the accommodating groove are arranged in the accommodating space, so that the part of the injector body clamped by the clamping handle is arranged in the accommodating space, on one hand, dust is prevented from falling onto the injector body and the clamping handle, and the injector is clean, sanitary and attractive; on the other hand, the mistaken touch of the injector is avoided. Furthermore, the utility model discloses set up the mounting groove and hold the clamp holder on the lateral wall of holding tank, saved the space.

Description

Injection pump and injection system

Technical Field

The utility model relates to the technical field of medical equipment, in particular to syringe pump and injection system.

Background

At present, the syringe pump passes through the clamp holder card with the syringe usually in the outside of the syringe pump body, and clamp holder and syringe expose in the air, on the one hand, sets up the mistake touching that causes the syringe easily like this, and on the other hand, can fall the dust on clamp holder and the syringe, and is unhygienic, and clean inconvenient, influence pleasing to the eye.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the present invention provides an injection pump and an injection system, which are used to avoid the syringe from touching by mistake and reduce the dust from falling onto the clamp handle and the syringe.

A first aspect of an embodiment of the present invention provides a syringe pump, the syringe pump being adapted to be used with a syringe, the syringe including a syringe body and a syringe piston, the syringe pump including a pump main body, a grip holder and a pump door; the injection pump is also provided with a driving mechanism, a transmission mechanism, a push-pull mechanism and a processor, the driving mechanism drives the push-pull mechanism to linearly run through the transmission mechanism under the control of the processor, and an injector piston arranged on the push-pull mechanism synchronously moves along with the push-pull mechanism;

an accommodating groove for accommodating the syringe body is formed in the pump main body, an installation groove for installing and accommodating the clamp handle is formed in the side wall of the accommodating groove, and the clamp handle is used for clamping the syringe body in the accommodating groove;

the pump door is rotationally connected with the pump main body and is provided with a door opening position and a door opening position; when the pump door is in when closing the position, the at least both sides of pump door with the pump main part is connected, just the back of pump door with form an accommodation space between the front of pump main part, the clamping handle sets up with at least partial holding tank in the accommodation space, so that the syringe body is by the part setting that the clamping handle was held is in the accommodation space.

When the injection pump provided by the utility model is used, the injector is placed in the holding tank in the pump main body, and the injector main body is fixed in the holding tank through the clamping handle; then, the pump door is rotated to be positioned at a closing position, so that the part of the injector body clamped by the clamping handle is positioned in an accommodating space formed between the back surface of the pump door and the front surface of the pump main body, on one hand, dust is prevented from falling onto the injector body and the clamping handle, and the injector body and the clamping handle are clean, sanitary and beautiful; on the other hand, the mistaken touch of the injector is avoided. Furthermore, the utility model discloses set up the mounting groove and hold the clamp holder on the lateral wall of holding tank, saved the space.

A second aspect of an embodiment of the present invention provides an injection system, including the injection pump and an injector used with the injection pump;

the injection pump comprises a pump main body, a clamp handle, a pump door, a driving mechanism, a transmission mechanism, a push-pull mechanism, a processor, a clamp handle shaft, a pressure spring, a transmission slide block, a pin shaft and a protective sleeve; the injector comprises an injector body and an injector piston; the driving mechanism drives the push-pull mechanism to linearly run through the transmission mechanism under the control of the processor, and an injector piston arranged on the push-pull mechanism synchronously moves along with the push-pull mechanism;

the pump door is rotationally connected with the pump main body and is provided with a door opening position and a door opening position; when the pump door is in the closed position, at least two sides of the pump door are connected with the pump main body, an accommodating space is formed between the back surface of the pump door and the front surface of the pump main body, and the clamp handle and at least a part of the accommodating groove are arranged in the accommodating space, so that the part of the syringe body clamped by the clamp handle is arranged in the accommodating space;

the clamping handle comprises a connecting part, a clamping part and a pressing part, the connecting part is connected with one end of the clamping handle shaft, the work transfer sliding block, the pin shaft and at least one part of the clamping handle shaft are arranged in the pump main body, the other end of the clamping handle shaft is rotatably connected in the pump main body, wherein the work transfer sliding block is provided with a spiral groove, and the pump main body limits the rotation of the work transfer sliding block; the pin shaft is connected to the clamping handle shaft and is in sliding fit with the spiral groove, the pressure spring is sleeved on the clamping handle shaft, and two ends of the pressure spring are respectively abutted to the power transmission sliding block and the connecting part; the pin shaft slides along the spiral groove to push the power transmission sliding block to move axially so as to extrude or release the pressure spring;

two ends of the spiral groove are closed, and a dead point is arranged at one end of the spiral groove, which is far away from the connecting part;

the protective sleeve is detachably sleeved on the power transmission sliding block to coat the spiral groove; the clamp handle shaft is provided with a mounting hole, at least one part of the pin shaft is mounted in the mounting hole, and the protective sleeve coats two ends of the pin shaft.

When the injection system of the embodiment of the utility model is used, the pressing part of the clamping handle is pressed downwards, the clamping handle shaft is driven to rotate through the connecting part, the pin shaft rotates along with the clamping handle shaft, thereby pushing the power transmission slide block to move axially towards the direction close to the clamping handle, thereby extruding the pressure spring, when the space between the clamping part of the clamp handle and the accommodating groove is enough for placing the injector body, the injector body can be directly put into the containing groove, the pressing part is loosened, or the pressing part is pressed to the dead point position where the pin shaft enters the spiral groove, and then the injector body is put into the containing groove, then, the pressing part is pulled upwards to make the pin shaft separate from the dead point position of the spiral groove, the pressing part is loosened, at the moment, the pressure spring pushes the power transmission slide block to axially move towards the direction far away from the clamping handle under the action of the restoring force, the power transmission slide block pushes the pin shaft to rotate, the pin shaft drives the clamping handle shaft to rotate, the connecting part drives the clamping part to rotate towards the direction close to the containing groove to clamp the injector body; finally, the pump door is closed, so that the part of the injector body clamped by the clamping handle is positioned in an accommodating space formed between the back surface of the pump door and the front surface of the pump main body, on one hand, dust is prevented from falling onto the injector body and the clamping handle, and the injector is clean, sanitary and attractive; on the other hand, the mistaken touch of the injector is avoided.

The utility model discloses set up the mounting groove and hold the clamp holder on the lateral wall of holding tank, saved the space. Furthermore, the utility model discloses a pressure spring turns into rotatory circumference atress with the compression direction atress of pressure spring, has improved the life-span and the reliability of syringe pump, and the protective sheath has guaranteed that the round pin axle can not fall out, passes merit slider can the steady operation.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without performing novelty work.

Fig. 1 is a schematic structural view of a pump door of an injection pump in a closed position according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a pump door of the injection pump according to an embodiment of the present invention at an open position;

fig. 3 is a schematic structural view of a syringe pump door provided by an embodiment of the present invention in an open position and a clamp holder holding a syringe;

fig. 4 is an exploded view of a clamp handle assembly according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a clamp handle assembly according to an embodiment of the present invention.

In the figure:

the device comprises a pump main body 1, a clamp handle 2, a pump door 3, a syringe 4, a syringe body 401, a syringe piston 402, an accommodating groove 101, an installing groove 102, a clamp handle shaft 6, a pressure spring 7, a power transmission slide block 8, a pin shaft 9, a spiral groove 801, a protective sleeve 10, an annular groove 802, a claw 1001, a connecting part 201, a clamping part 202, an elastic buffer block 203, a buffer bulge 11, a pressing part 204, a connecting plate 205, a notch 103, a notch 104, a first avoiding groove 105, a second avoiding groove 301, a magnet 13, a transparent panel part 302, a door main body part 303, a screen cover plate 304, a physical button 305, a potentiometer coupling 14, an in-place detector 15, an alarm lamp 16 and a hanging piece 17.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to fig. 1 to 5 in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art from the embodiments given herein without undue experimentation, are intended to be within the scope of the present disclosure.

As shown in fig. 1-3, the syringe pump provided by the embodiment of the present invention comprises a pump main body 1, a clamp handle 2 and a pump door 3, wherein the syringe pump is used in cooperation with a syringe 4.

The syringe 4 includes a syringe body 401 and a syringe piston 402, and pushing the syringe piston 402 can output the medical fluid in the syringe body 401. The injection pump is also provided with a driving mechanism, a transmission mechanism, a push-pull mechanism and a processor, wherein the processor is in signal connection with the driving mechanism, the driving mechanism is in transmission connection with the transmission mechanism, the transmission mechanism is in transmission connection with the push-pull mechanism, and the push-pull mechanism pushes the injector piston 402 to move linearly. Specifically, the driving mechanism drives the push-pull mechanism to perform linear operation through the transmission mechanism under the control of the processor, and the injector piston 402 arranged on the push-pull mechanism moves synchronously along with the push-pull mechanism.

The driving mechanism can be any power device capable of providing power, such as a motor and the like; the transmission mechanism is any device capable of transmitting power, such as a gear set and the like; the push-pull mechanism is any device capable of pushing the syringe piston 402 to move, and the syringe piston 402 can be fixedly connected with the push-pull mechanism or can be clamped and connected with the push-pull mechanism.

The holding tank 101 for holding the syringe body 401 is provided in the pump main body 1, the shape of the holding tank 101 is not limited, and the holding tank can be any shape capable of holding the syringe body 401, for example, a groove of regular shape such as a V-shaped groove or an arc-shaped groove, or a groove of other irregular shape. For the convenience of processing and the convenience of clamping the syringes 4 with different cylinder diameters, the accommodating groove 101 is a V-shaped groove.

The side wall of the receiving groove 101 is provided with a mounting groove 102 for mounting and receiving the clamp holder 2, the clamp holder 2 is used for clamping the syringe body 401 in the receiving groove 101, specifically, the mounting groove 102 can be opened at the end of the side wall of the receiving groove 101, as shown in fig. 2, the mounting groove 102 is opened at the right end of the side wall of the receiving groove 101 (which is set to face the direction in fig. 2, and is not meant for other specific purposes only for convenience of description), and it is convenient for a right-handed user to break the clamp holder 2. It should be noted that the mounting groove 102 may also be opened at the left end of the side wall of the receiving groove 101 (also set facing the direction in fig. 2), so as to be convenient for a left-handed user to use. It is understood that the mounting groove 102 can be opened at the middle position of the side wall of the receiving groove 101 or at any other position.

The pump door 3 is rotatably connected with the pump body 1, and the pump door 3 is provided with a door position and an open door position. The pump door 3 may be snap-coupled to the pump body 1.

When the pump door 3 is in the closed position, at least two sides of the pump door 3 are connected with the pump main body 1, an accommodating space is formed between the back surface of the pump door 3 and the front surface of the pump main body 1, and the clamp holder 2 and at least a part of the accommodating groove 101 are arranged in the accommodating space, so that the part of the syringe body 401 clamped by the clamp holder 2 is arranged in the accommodating space. The back surface of the pump door 3 refers to a surface facing the pump body 1 when the pump door 3 is in the closed position. The front surface of the pump body 1 is a surface of the pump body 1 facing the pump door 3 when the pump door 3 is in the closed position. Through the injection pump, when the pump door 3 is in a closed position, the part of the injector body 401 clamped by the clamp holder 2 is positioned in the accommodating space formed between the back surface of the pump door 3 and the front surface of the pump main body 1, so that on one hand, dust is prevented from falling onto the injector body 401 and the clamp holder 2, and the injection pump is clean, sanitary and attractive; on the other hand, a false touch of the syringe 4 is avoided.

In some embodiments, the syringe pump further includes a clamp shaft 6, the clamp 2 includes a connecting portion 201, a clamping portion 202, and a pressing portion 204, the clamp shaft 6 is rotatably connected to the connecting portion 201, specifically, the clamp shaft 6 and the connecting portion 201 may be rotatably connected by a torsion spring, the clamp shaft 6 and the connecting portion 201 may be screwed, and the like. The pressing part 204 drives the connecting part 201 to rotate relative to the clamping handle shaft 6, so that the clamping part 202 is in a clamping position or a releasing position, and when the clamping part 202 is in the clamping position, the syringe body 401 can be clamped in the accommodating groove 101; when the grip 202 is in the release position, the syringe body 401 can be released.

The clamp handle 2 can also be in other structures, as shown in fig. 4 and 5, the syringe pump further includes a clamp handle shaft 6, the clamp handle 2 further includes a connecting portion 201, a clamping portion 202 and a pressing portion 204, the connecting portion 201 is connected with one end of the clamp handle shaft 6, the other end of the clamp handle shaft 6 is rotatably connected in the pump main body 1, and the pressing portion 204 drives the connecting portion 201 to rotate synchronously with the clamp handle shaft 6, so that the clamping portion 202 is in a clamping position or a releasing position. Specifically, the connecting portion 201, the clamping portion 202 and the pressing portion 204 are integrally formed and connected, but may be detachably connected, and for convenience of processing and improving the connection strength of the connecting portion 201, the clamping portion 202 and the pressing portion 204, the connecting portion 201, the clamping portion 202 and the pressing portion 204 are connected by injection molding integrally.

In some embodiments, a connecting hole is formed in the connecting portion 201, and the clamp handle shaft 6 is inserted into the connecting hole, so that the clamp handle shaft 6 and the clamp handle 2 can be conveniently detached and replaced. The holder shaft 6 may be integrally connected to the connecting portion 201.

In some embodiments, the injection pump further includes a work transfer slider 8 and a pin shaft 9, the work transfer slider 8, the pin shaft 9 and at least a part of the clamping handle shaft 6 are disposed in the pump main body 1, wherein a sliding groove is disposed on the work transfer slider 8, the pump main body 1 limits the work transfer slider 8 to rotate, specifically, the work transfer slider 8 is cylindrical, a limiting groove is disposed on the work transfer slider 8, and a limiting protrusion matched with the limiting groove is disposed on the pump main body 1, so that the work transfer slider 8 can only move along the axis thereof. The pin shaft 9 is connected to the clamping handle shaft 6, and the pin shaft 9 is in sliding fit with the sliding groove to push the clamping handle shaft 6 to rotate along the radial direction of the power transmission sliding block 8.

In some embodiments, the injection pump further comprises a pressure spring 7, the pressure spring 7 is sleeved on the clamping handle shaft 6, and two ends of the pressure spring 7 are respectively abutted with the power transmission sliding block 8 and the connecting part 201. The cross section and the trajectory of the sliding groove are not limited, and the sliding groove is the spiral groove 801 for convenience of processing and manufacturing. The pin shaft 9 slides along the spiral groove 801 to push the power transmission slide block 8 to move axially so as to extrude or release the pressure spring 7.

In some of these embodiments, the ends of the sliding groove are closed to prevent the pin 9 from slipping out of the sliding groove. In order to realize that clamp holder 2 can keep being in the state of opening, the utility model discloses a connecting portion 201 was kept away from to the sliding tray's one end sets up the dead point for round pin axle 9 can block in the dead point department. When the syringe body 401 needs to be clamped by the clamp holder 2, the pressing portion 204 of the clamp holder 2 is manually pulled off, so that the connecting portion 201 can drive the clamp holder shaft 6 to rotate, the pin shaft 9 is driven to slide out from a dead point, the power transmission sliding block 8 is driven to axially move towards one side far away from the clamp holder 2 under the restoring force of the pressure spring 7, the pin shaft 9 is further driven to rotate, the pin shaft 9 drives the clamp holder shaft 6 to rotate, and the clamping portion 202 is further driven to clamp the syringe body 401.

In some embodiments, the syringe pump further includes a protective sleeve 10, the protective sleeve 10 is detachably sleeved on the power transmission slider 8 and covers the sliding groove, a mounting hole is formed in the clamp handle shaft 6, at least a part of the pin shaft 9 is mounted in the mounting hole, and the protective sleeve 10 covers two ends of the pin shaft 9 to prevent the pin shaft 9 from falling off from the clamp handle shaft 6.

Specifically, seted up annular groove 802 on passing merit slider 8, the one end of protective sheath 10 is provided with the jack catch 1001 that can the joint in annular groove 802, jack catch 1001 is connected with protective sheath 10 integrated into one piece, and jack catch 1001 is the strip, and has certain elastic deformation ability, through seting up logical groove formation jack catch 1001 in the one end of protective sheath 10, the tip of jack catch 1001 is provided with the arch, for the ease of realizing with protective sheath 10's joint, the arch is the toper arch.

It should be noted that the protective sleeve 10 may also be screwed to the power transmission slider 8 at one end. The protective sleeve 10 can also be connected with the power transmission slide block 8 in other forms such as screw connection and the like.

In some embodiments, the elastic buffer block 203 is arranged on the clamping surface of the clamping portion 202, so that the clamping portion 202 can play a role in buffering when impacting the syringe body 401, the syringe body 401 is not damaged or deformed, the impacting hand also has a buffering role, and in addition, the elastic buffer block 203 increases the friction force with the syringe body 401, and the clamping reliability is ensured.

Specifically, the utility model discloses an elastic buffer block 203 is made for flexible glue or ebonite material, and sets up on the clamping face along the direction of the axial lead of perpendicular syringe 4 to the realization is tight to the clamp of the syringe 4 of different diameters.

Specifically, the clamping portion 202 is an arc-shaped clamping portion 202, which increases the contact area with the syringe body 401, and facilitates clamping of the syringe 4. The shape of the clamping portion 202 is not limited to an arc shape, and may be a V shape or the like.

In some embodiments, the connection portion of the clamping portion 202 and the connecting portion 201 is provided with a buffering protrusion 11, on one hand, the buffering protrusion 11 can buffer the collision with the syringe 4, and on the other hand, when the pressing portion 204 is upwardly pulled, the in-place reminding function can be achieved. In addition, the buffer protrusions 11 can also support the syringe 4.

Specifically, the buffer protrusion 11 is a soft bag, and may be made of other elastic materials.

In some embodiments, the pressing portion 204 and the holding portion 202 are inclined at a predetermined angle, so that a space for a finger to extend into is formed between the front surface of the pressing portion 204 and the syringe 4, so as to facilitate the finger to press the pressing portion 204. The front surface of the pressing portion 204 is a surface of the pressing portion 204 facing the syringe 4.

In some embodiments, a connecting plate 205 is connected between the pressing portion 204 and the clamping portion 202, and the connecting plate 205 improves the overall strength and rigidity of the clamp 2, thereby preventing the clamp 2 from deforming.

In some embodiments, the front surface of the pressing portion 204 is provided with a pressing groove or an anti-slip layer to prevent slipping when the pressing portion 204 is pressed by a finger. The pressing groove is not limited in shape and can be set to be any shape, and the pressing groove is matched with the finger belly shape of the finger in order to facilitate finger pressing. Specifically, the anti-slip layer may be adhered to the front surface of the pressing portion 204, or may be directly connected to the pressing portion 204 by integral molding, and the anti-slip layer is a plastic dot layer or a patterned layer.

In some of these embodiments, the syringe pump further comprises a clip, one end of which is mounted on the pump body 1 and the other end of which is provided with a clamping jaw for limiting the axial movement of the syringe 4. Specifically, the clip may be fixed to an end of the pump body 1, or may be fixed inside the pump body 1. The shape of the jaws and jaws is not limited.

In some embodiments, the bottom end of the pump body 1 is provided with a notch 103, the notch 103 allows a finger to enter the pump body 1 to break the pressing portion 204, and the notch 103 is provided to facilitate the operation of the clamping handle 2 in the state that the pump door 3 is closed.

In order to further improve the operability of the clamp handle 2 when the pump door 3 is closed, a notch 104 capable of exposing the clamp handle 2 is formed on the side surface of the pump body 1, and the notch 104 can allow a finger to extend into the pump body 1 to snap the pressing part 204. The pressing portion 204 may be lifted up or the pressing portion 204 may be pressed down. Specifically, the shapes of the notch 104 and the slit 103 are not limited.

In some embodiments, the injection pump further comprises a potentiometer and a coupling 14 for the potentiometer, one end of the clamp handle shaft 6 is provided with an installation groove 102, the coupling 14 for the potentiometer is inserted into the installation groove 102, and the potentiometer is used for detecting the rotation angle of the coupling 14 for the potentiometer driven by the clamp handle shaft 6. The change of the angle of the clamping handle shaft 6 is detected, the feedback algorithm is adjusted, the different angles correspond to the syringes 4 with different outer diameters and different sizes, and therefore the sizes and the capacities of the syringes 4 are judged in the database. The device for detecting the rotation angle of the grip shaft 6 is not limited to the potentiometer and the potentiometer coupling 14, and may be another device capable of detecting an angle, for example, an angular displacement sensor or the like.

In some embodiments, the syringe pump further comprises an in-position detector 15, the in-position detector 15 is mounted in the receiving groove 101 and is opposite to the clamp handle 2, i.e. the clamp handle 2 and the in-position detector 15 are located in the same cross section of the receiving groove 101, so as to facilitate accurate detection of whether the syringe 4 is in place by the in-position detector 15. Specifically, the in-position detector 15 may be a contact-type in-position detection sensor or a non-contact-type in-position detection sensor.

In some of the embodiments, the top end of the pump body 1 is provided with a warning lamp 16, when the syringe pump is abnormal, the warning lamp 16 is on, and meanwhile, an alarm can be provided, and when the syringe pump is abnormal, the alarm can give an alarm. Specifically, the syringe pump abnormality may be that the pump door 3 is not closed in place or the syringe 4 is not mounted in place, or the like.

In some embodiments, the sidewall of the accommodating groove 101 is provided with a hanging piece 17 for hanging the infusion tube at the output end of the syringe 4, so as to facilitate hanging the infusion tube.

In some embodiments, the sidewall of the accommodating groove 101 is provided with a first avoiding groove 105 communicated with the accommodating groove 101, and the first avoiding groove 105 can provide an avoiding space for the side portion of the clamping portion 202, so that the clamping handle 2 can be rotated in place, and the clamping handle 2 can be prevented from occupying an extra space. The shape of the first groove 105 of dodging is not limited, and the first groove 105 of dodging that can realize providing the space of dodging for the clamping part 202 lateral part wantonly belongs to the utility model discloses a protection scope.

In some embodiments, the back surface of the pump door 3 is provided with a second avoiding groove 301 for avoiding the clamping portion 202, and it should be noted that the back surface of the pump door 3 refers to a surface of the pump door 3 facing the pump main body 1. The second avoidance groove 301 reduces the overall volume of the injection pump on the premise that the clamp holder 2 can rotate in place. The shape of the second escape groove 301 is not limited, and may be square or circular, etc.

In some embodiments, the outer side of the bottom end of the pump main body 1 extends out of the outer side of the top end of the pump main body 1 by a preset length so as to provide enough installation space for the clamp holder 2, and it should be noted that the outer side of the bottom end of the pump main body 1 refers to the side of the bottom end of the pump main body 1 facing the pump door 3, and the outer side of the top end of the pump main body 1 refers to the side of the top end of the pump main body 1 facing the pump door 3.

In some embodiments, the bottom end of the pump door 3 is hinged to the outer side surface of the bottom end of the pump main body 1, and when the pump door 3 is in the closed position, the top end of the pump door 3 is clamped with the top end of the pump main body 1 or is in adsorption connection through the magnet 13. Specifically, the top end of the pump door 3 and the top end of the pump body 1 may be respectively provided with a magnet 13, the shape of the magnet 13 is not limited, and when the pump door 3 is closed, the magnet 13 on the pump door 3 and the magnet 13 on the pump body 1 are attracted; an iron block can be arranged on one of the pump door 3 or the pump main body 1, correspondingly, the magnet 13 is arranged on the pump main body 1 or the pump door 3, and the closing of the pump door 3 is realized through the attraction of the magnet 13 to the iron block; the pump door 3 can also be provided with a clamping hook, the pump main body 1 is provided with a clamping groove, and the pump door 3 can be closed by clamping the clamping hook and the clamping groove. The connection of the pump door 3 to the pump body 1 may also be other forms of connection.

Specifically, the top of pump door 3 is the arc, and level and smooth extension to on the lateral surface of pump main part 1 top, and on the one hand, the appearance is pleasing to the eye, and on the other hand reduces the whole occupation space of pump main part 1.

In some of the embodiments, the pump door 3 includes a transparent panel portion 302 and a door body portion 303, the transparent panel portion 302 is mounted on the door body portion 303 and is located at the top end of the door body portion 303, at least a part of the accommodating groove 101 disposed in the accommodating space is visible through the transparent panel, or a main body of the syringe 4 disposed on at least a part of the accommodating groove 101 disposed in the accommodating space is visible through the transparent panel, so that a user can observe the syringe 4 and the like inside the pump main body 1.

Specifically, the transparent panel portion 302 may be made of transparent glass or transparent plastic. The door body 303 may be made of any material, and the door body 303 may be made of a transparent material, an opaque material, or a translucent material.

In some embodiments, the pump door 3 further includes a screen cover 304 disposed outside the door main body 303, and the screen cover 304 is provided with a physical button 305, and the physical button 305 includes a start key for turning on the syringe pump, a stop key for turning off the syringe pump, and the like.

It should be noted that, instead of the physical button 305, a virtual button may also be provided on the screen cover 304, or the physical button 305 and the virtual button may be provided at the same time, so that when one of the physical button 305 and the virtual button fails, the control of the syringe pump can still be achieved, or the voice control may also be provided to control the syringe pump.

In some of these embodiments, the utility model discloses a pump door 3 also can be the linkage with clamp holder 2 and be connected, promptly: when the pump door 3 is opened, the clamping handle 2 releases the injector 4; when the pump door 3 is closed, the grip handle 2 grips the syringe 4. Specifically, the pump door 3 and the clamp holder 2 may be controlled by a linkage controller in a linkage manner, or may be controlled by mechanical linkage, for example, the pump door 3 is connected to the clamp holder 2 by a hinge, and when the pump door 3 is opened, the clamp holder 2 is driven by the hinge to rotate in a direction away from the injector 4, so as to loosen the injector 4; when the pump door 3 is closed, the clamp handle 2 returns to a position of clamping the syringe 4 under the action of the compression spring 7 or the torsion spring and the like.

In some embodiments, the clamp holder 2 may be connected to the pump body 1 in other forms, for example, the syringe pump further includes a tension spring in an extended state, one end of the tension spring is connected to the pump body 1, the other end of the tension spring is connected to the clamp holder 2, and the clamp holder 2 is used for releasing the syringe 4 by pulling the clamp holder 2 in a direction away from the syringe 4; by loosening the clamp handle 2, the clamp handle 2 clamps the syringe 4 under the action of the restoring force of the tension spring.

The embodiment of the utility model provides a still provide an injection system, including above-mentioned syringe pump and with the supporting syringe 4 that uses of syringe pump.

Specifically, the injection pump comprises a pump main body 1, a clamp handle 2, a pump door 3, a driving mechanism, a transmission mechanism, a push-pull mechanism, a processor, a clamp handle shaft 6, a pressure spring 7, a transmission slide block, a pin shaft 9 and a protective sleeve 10. The syringe 4 includes a syringe body 401 and a syringe piston 402, and the syringe piston 402 slides within the syringe body 401 to effect the pushing out of the liquid medicine in the syringe body 401. The liquid medicine output by the injector 4 is realized through the combined action of the driving mechanism, the transmission mechanism, the push-pull mechanism and the processor. Specifically, the driving mechanism drives the push-pull mechanism to perform linear operation through the transmission mechanism under the control of the processor, and the injector piston 402 arranged on the push-pull mechanism moves synchronously with the push-pull mechanism.

An accommodating groove 101 is formed in the pump main body 1, the accommodating groove 101 is used for accommodating the syringe body 401, an installation groove 102 for installing and accommodating the clamp holder 2 is formed in the side wall of the accommodating groove 101, and the clamp holder 2 is used for clamping the syringe body 401 in the accommodating groove 101.

Pump door 3 is connected with pump main part 1 rotation, and pump door 3 sets up relevant door position and open door position, specifically, pump door 3 is articulated with pump main part 1, and the top of pump door 3 passes through the closure that magnet 13 adsorbs realization pump door 3 with pump main part 1 top. When pump door 3 is in the closed position, at least both sides and the pump main part 1 of pump door 3 are connected, and form an accommodation space between the back of pump door 3 and the front of pump main part 1, and holder 2 and at least partly holding tank 101 set up in accommodation space to make syringe body 401 by the partial setting of holder 2 centre gripping in accommodation space, avoid on the dust falls syringe body 401, and can avoid touching syringe 4's mistake.

The clamp holder 2 comprises a connecting portion 201, a clamping portion 202 and a pressing portion 204, the connecting portion 201 is connected with one end of a clamp holder shaft 6, the other end of the clamp holder shaft 6 is rotatably connected into the pump body 1, the pressing portion 204 drives the connecting portion 201 and the clamp holder shaft 6 to synchronously rotate, so that the clamping portion 202 is located at a clamping position or a releasing position, when the clamping portion 202 is located at the clamping position, the syringe 4 can be clamped, and when the clamping portion 202 is located at the releasing position, the syringe 4 can be loosened.

The power transmission sliding block 8, the pin shaft 9 and at least one part of the clamping handle shaft 6 are arranged in the pump main body 1, wherein the power transmission sliding block 8 is provided with a spiral groove 801, and the pump main body 1 limits the rotation of the power transmission sliding block 8. The pin shaft 9 is connected to the clamp handle shaft 6, the pin shaft 9 is in sliding fit with the spiral groove 801, the pressure spring 7 is sleeved on the clamp handle shaft 6, two ends of the pressure spring 7 are respectively abutted to the power transmission sliding block 8 and the connecting portion 201, and the pin shaft 9 slides along the spiral groove 801 to push the power transmission sliding block 8 to move axially so as to extrude or release the pressure spring 7.

The two ends of the sliding groove are closed, so that the pin shaft 9 is prevented from slipping. One end of the sliding groove, which is far away from the connecting part 201, is provided with a dead point, and when the pin shaft 9 is arranged at the dead point, the clamp handle 2 can be kept at the release position for any time.

The protective sleeve 10 is detachably sleeved on the power transmission sliding block 8 in a sheathing mode, the sliding groove is coated, a mounting hole is formed in the clamping handle shaft 6, at least one part of the pin shaft 9 is installed in the mounting hole, and the protective sleeve 10 coats two ends of the pin shaft 9.

The utility model has the advantages that the part of the injector body 401 clamped by the clamping handle 2 is positioned in the containing space, on one hand, dust is prevented from falling onto the injector body 401 and the clamping handle 2, and the injector is clean, sanitary and beautiful; on the other hand, a false touch of the syringe 4 is avoided. The side wall of the accommodating groove 101 is provided with an installing groove 102 for accommodating the clamp handle 2, so that the space is saved. Furthermore, the utility model discloses a pressure spring 7 turns into rotatory circumference atress with the compression direction atress of pressure spring 7, has improved the life-span and the reliability of injection pump, and protective sheath 10 has guaranteed that round pin axle 9 can not fall out, passes merit slider 8 can the steady operation.

It should be noted that, in the present invention, "first" and "second" are described differently, and there is no other special meaning.

While, for purposes of simplicity of explanation, the foregoing method embodiments have been described as a series of acts or combination of acts, it will be appreciated by those skilled in the art that the present invention is not limited by the illustrated ordering of acts, as some steps may occur in other orders or concurrently with other steps in accordance with the invention. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required by the invention.

It should be further noted that the various embodiments in this specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the various embodiments may be referred to each other. For the device-like embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.

Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A syringe pump, characterized in that the syringe pump is used in cooperation with a syringe, the syringe comprises a syringe body and a syringe piston, and the syringe pump comprises a pump main body, a clamping handle and a pump door; the injection pump is also provided with a driving mechanism, a transmission mechanism, a push-pull mechanism and a processor, the driving mechanism drives the push-pull mechanism to linearly run through the transmission mechanism under the control of the processor, and an injector piston arranged on the push-pull mechanism synchronously moves along with the push-pull mechanism;

the back surface of the pump door refers to a surface of the pump door facing the pump main body, and the front surface of the pump main body refers to a surface of the pump main body facing the pump door.

2. The syringe pump of claim 1, further comprising a clip handle comprising a connecting portion, a clamping portion, and a pressing portion, the clip handle being rotatably connected to the connecting portion; the pressing part drives the connecting part to rotate relative to the clamping handle shaft, so that the clamping part is in a clamping position or a releasing position.

3. The syringe pump of claim 1, wherein the syringe pump further comprises a clamping shaft, the clamping shaft further comprises a connecting portion, a clamping portion and a pressing portion, the connecting portion is connected with one end of the clamping shaft, the other end of the clamping shaft is rotatably connected in the pump body, and the pressing portion drives the connecting portion and the clamping shaft to rotate synchronously, so that the clamping portion is in a clamping position or a release position.

4. The syringe pump of claim 3, wherein the connecting portion has a connecting hole formed therein, and the clip stem is inserted into the connecting hole.

5. The syringe pump of claim 3, further comprising a power transmission slider and a pin; the work transmission sliding block, the pin shaft and at least one part of the clamping handle shaft are arranged in the pump main body, wherein a sliding groove is formed in the work transmission sliding block, and the pump main body limits the rotation of the work transmission sliding block; the pin shaft is connected to the clamping handle shaft, and the pin shaft is in sliding fit with the sliding groove to push the clamping handle shaft to rotate along the radial direction of the power transmission sliding block.

6. The syringe pump of claim 5, further comprising a compression spring; the pressure spring is sleeved on the clamping handle shaft, and two ends of the pressure spring are respectively abutted against the power transmission sliding block and the connecting part; the sliding groove is a spiral groove, and the pin shaft slides along the spiral groove to push the power transmission sliding block to move axially so as to extrude or release the pressure spring.

7. The syringe pump of claim 5 or 6 wherein the ends of the sliding channel are closed and the end of the sliding channel remote from the connecting portion is provided with a dead center.

8. The syringe pump of claim 5 or 6, wherein the syringe pump further comprises a protective sheath;

the protective sleeve is detachably sleeved on the power transmission sliding block and covers the sliding groove;

the clamp handle shaft is provided with a mounting hole, at least one part of the pin shaft is mounted in the mounting hole, and the protective sleeve coats two ends of the pin shaft.

9. The injection pump of claim 8, wherein the power transmission slider is provided with an annular groove, and one end of the protective sleeve is provided with a claw which can be clamped in the annular groove.

10. The syringe pump of claim 8 wherein said protective sleeve is threaded onto said power transmission slide.

11. The syringe pump of claim 2 wherein the clamping surface of the clamping portion is provided with a resilient bumper.

12. The syringe pump of claim 11 wherein the resilient bumper is made of a soft or hard rubber material and is disposed on the clamping surface in a direction perpendicular to the axis of the syringe.

13. The syringe pump of claim 2 wherein the clip portion is an arcuate clip portion;

and/or

The accommodating groove is a V-shaped groove or an arc-shaped groove;

and/or

The mounting groove is formed in the end portion of the side wall of the accommodating groove.

14. The syringe pump of claim 2, wherein a buffer protrusion is provided at a junction of the clamping portion and the connecting portion;

the buffer protrusion can support the syringe.

15. The syringe pump of claim 14 wherein the bumper is a soft pack.

16. The syringe pump of claim 2, wherein the pressing portion and the holding portion are inclined at a predetermined angle, so that a space for a finger to extend into is formed between the front surface of the pressing portion and the syringe;

the front surface of the pressing part refers to the surface of the pressing part facing the syringe.

17. The syringe pump of claim 2, wherein a connecting plate is connected between the pressing portion and the clamping portion.

18. The syringe pump of claim 16, wherein the pressing portion has a pressing groove formed on a front surface thereof or an anti-slip layer.

19. The syringe pump of claim 1, further comprising a clip;

one end of the clamping piece is arranged on the pump main body, and the other end of the clamping piece is provided with a clamping jaw;

the clamping jaw is used for limiting the axial movement of the injector.

20. The syringe pump of claim 2, wherein the bottom end of the pump body is provided with a notch;

the notch can be used for allowing a finger to enter the pump body to break the pressing part.

21. The syringe pump of claim 17, wherein the side of the pump body defines a notch that exposes the grip;

the notch can be used for fingers to stretch into the pump body to break the pressing part.

22. The syringe pump of claim 2, further comprising a potentiometer and a coupling for the potentiometer;

the one end of pressing from both sides the handle is provided with the mounting groove, the shaft coupling for the potentiometre with the mounting groove is pegged graft, the potentiometre is used for detecting the shaft coupling is in for the potentiometre the pivoted angle under the drive of pressing from both sides the handle.

23. The syringe pump of claim 1, further comprising a go-to-go detector;

the in-place detector is arranged in the accommodating groove, is opposite to the clamp handle and is used for detecting whether the injector is in place;

and/or

An alarm lamp is arranged at the top end of the pump main body;

and/or

The side wall of the containing groove is provided with a hanging piece for hanging the infusion tube at the output end of the syringe.

24. The syringe pump of claim 2, wherein the side wall of the receiving groove is provided with a first avoiding groove communicated with the receiving groove, and the first avoiding groove can provide an avoiding space for the side portion of the clamping portion.

25. The syringe pump of claim 24, wherein the back surface of the pump door is provided with a second escape groove for escaping the clamping portion.

26. The syringe pump of claim 1 wherein the outside of the bottom end of the pump body extends a predetermined length outside the top end of the pump body;

the outer side of the bottom end of the pump main body refers to the side of the bottom end of the pump main body facing the pump door;

the outside of the pump body top end refers to the side of the pump body top end facing the pump door.

27. The syringe pump of claim 1, wherein the bottom end of the pump door is hinged to the outer side surface of the bottom end of the pump body, and when the pump door is in the closed position, the top end of the pump door is in clamping connection with the top end of the pump body or is in magnetic attraction connection with the top end of the pump body.

28. The syringe pump of claim 27 wherein the top end of the pump door is arcuate and extends smoothly onto the outside of the top end of the pump body.

29. The syringe pump of claim 1, wherein the pump door comprises a transparent panel portion and a door body portion;

the transparent panel portion is mounted on the door body portion, and is located at a top end of the door body portion, and the at least one part of the accommodating groove provided in the accommodating space is visible through the transparent panel, or the syringe body provided on the at least one part of the accommodating groove provided in the accommodating space is visible through the transparent panel.

30. The syringe pump of claim 29, wherein the pump door further comprises a screen cover disposed outside the door body portion;

and a physical button is arranged on the screen cover plate.

31. The syringe pump of claim 1, wherein the pump door is in linkage with the clamp handle;

when the pump door is opened, the clamping handle releases the injector;

when the pump door is closed, the clamp handle clamps the syringe.

32. The syringe pump of claim 1, further comprising a tension spring in an extended state;

one end of the tension spring is connected with the pump main body, and the other end of the tension spring is connected with the clamp handle.

33. An injection system comprising a syringe pump of any of claims 1-32 and a syringe for use with the syringe pump;

the injection pump comprises a pump main body, a clamp handle, a pump door, a driving mechanism, a transmission mechanism, a push-pull mechanism, a processor, a clamp handle shaft, a pressure spring, a power transmission sliding block, a pin shaft and a protective sleeve; the injector comprises an injector body and an injector piston; the driving mechanism drives the push-pull mechanism to linearly run through the transmission mechanism under the control of the processor, and an injector piston arranged on the push-pull mechanism synchronously moves along with the push-pull mechanism;