CN107198821B

CN107198821B - Cutting and connecting device for blood bag sterile connecting equipment

Info

Publication number: CN107198821B
Application number: CN201710355144.2A
Authority: CN
Inventors: 何俊
Original assignee: Wuhan Bms Medicaltech Co ltd
Current assignee: Wuhan Bms Medicaltech Co ltd
Priority date: 2017-05-19
Filing date: 2017-05-19
Publication date: 2020-05-26
Anticipated expiration: 2037-05-19
Also published as: CN107198821A

Abstract

The invention discloses a cutting and connecting device for blood bag sterile connecting equipment, which comprises a rack, a metal wire box and a driving device, wherein the metal wire box is arranged on the rack and comprises a metal wire; drive arrangement sets up in the frame, drive arrangement includes motor, bayonet frame sets up in the frame, be provided with the bayonet socket on the bayonet frame, the wire card is gone into the bayonet socket, the motor is used for the drive the bayonet socket frame removes in vertical direction. The cutting and connecting device provided by the invention can effectively enable the metal wire box to slide to a specified position, and the metal wire is driven by the motor to move up and down to realize cutting and connecting, so that the connecting device has a compact structure and a small volume.

Description

Cutting and connecting device for blood bag sterile connecting equipment

Technical Field

The invention relates to the field of medical instruments, in particular to a cutting and connecting device for blood bag sterile connecting equipment.

Background

Most of the existing sterile connection equipment adopts a cutting blade to cut and connect, the cutting mode of the cutting blade is easy to realize, the heat carried by the cutting blade is large, and the blood bag tube is easy to melt and connect. However, the following problems are encountered when the blood bag tube is cut and connected by using the conventional cutting blade: firstly, because the conventional cutting blade carries large heat, the blood bag tube is subjected to chemical change and is fused together in a connecting process, the redundant heat of the cutting blade is really the waste of energy, and the blood bag tube absorbs excessive heat to easily cause the chemical change to be too long, so that the cutting blade is not a reliable choice for clinical medicine; secondly, as the conventional connection equipment uses the edge of the cutting piece, if the purpose of blood bag tube connection is to be achieved, the conventional connection equipment needs to be in a certain volume to ensure that the heat carried by the cutting piece is enough to melt the blood bag tube so as to be connected, so that the conventional connection equipment is large in volume; and each cutting piece can only be cut and connected once, and the use requirement of the conventional connection equipment on the cutting piece is very large, so that each cutting piece is only used by the part contacted with the blood bag tube, and other parts are not used, so that the utilization rate of the single cutting piece is very low, and the waste of cutting materials is serious.

Therefore, the inventor applies for a patent with the name of 'blood bag sterile connection method and equipment used by the method', and the application number of 201310701376.0, the patent discloses a metal wire box, and the metal wire is used for cutting and connection, so that the problems of low utilization rate and energy waste of the traditional cutting blade are effectively solved. However, when the wire box needs to be replaced, the wire box needs to be manually slid to a designated position along a guide rail on the sterile connection equipment, so that the workload of workers is increased, and the phenomenon that the wire box does not slide to the designated position due to negligence of the workers also occurs; in addition, this patent adopts motor drive metal silk thread box to reciprocate in order to realize the cutting and plug into, and metal silk thread box reciprocates and inevitably makes the bulky of equipment of plugging into, and the structure is also not compact.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. To this end, the invention proposes a cutting and connection device for use in a blood bag sterile connection apparatus, comprising:

a frame;

the metal wire box is arranged on the rack and comprises metal wires;

and the driving device is arranged on the rack and used for driving the metal wire to move in the vertical direction.

Further, drive arrangement includes motor, bayonet socket frame, the bayonet socket frame sets up in the frame, be provided with the bayonet socket on the bayonet socket frame, the wire card is gone into the bayonet socket, the motor is used for the drive the bayonet socket frame removes in vertical direction.

Further, the wire clamping device further comprises a guide block, wherein the guide block is arranged at the top of the rack and is in butt joint with the bayonet, so that the wire slides into the bayonet along the guide block.

Further, the guide block inclines upwards towards the opening direction of the bayonet and forms an acute angle with the horizontal plane.

Further, the wire clamping device comprises a positioning device, and the positioning device enables the wire to slide into the bayonet along the guide block.

Further, the positioning device includes: the box frame is used for bearing a metal wire box and is movably arranged on the rack along the horizontal direction; the button is arranged on the box frame, the button can move between a touch position and a locking position, and when the button is located at the touch position, the box frame can move in the horizontal direction; when the button is located at the locking position, the box frame is fixed on the rack.

Furthermore, the box frame is connected with the rack through a sliding assembly to realize relative movement, the sliding assembly comprises a reset elastic piece, a guide rail and a guide groove, one end of the reset elastic piece is fixed on the rack, and the other end of the reset elastic piece is connected with the box frame; the guide rail is arranged on the rack, the guide groove is arranged on the box frame, and the guide groove is matched with the guide rail; when the box frame moves to one end of the guide rail, the reset elastic piece is in a compressed state, and the button can move between the touch position and the locking position; when the box frame moves to the other end of the guide rail, the reset elastic piece is in a release state.

Further, the sliding assembly further comprises a blocking portion, the blocking portion is arranged on the rack, and when the box frame moves to one end of the guide rail, the box frame abuts against the blocking portion.

Further, still include guide way, screw rod, nut, the guide way sets up on the box frame, the screw rod sets up on the wire box, the screw rod can the guide way removes, the nut with the screw rod cooperatees for the wire box is fixed on the box frame.

Furthermore, the metal wire box comprises a fixing table, wherein a positioning shaft is arranged on the fixing table, and the positioning shaft is matched with a reel on the metal wire box.

The invention provides a cutting and connecting device for blood bag sterile connecting equipment, which can effectively enable a metal wire box to slide to a specified position, and adopts a motor to drive a metal wire to move up and down to realize cutting and connecting, so that the connecting equipment has a compact structure and a small volume. The button is adopted to control the movement or fixation of the box frame, the operation is simple, the control is convenient, and the workload of workers is also reduced. When the metal wire box needs to be replaced, the box frame is moved towards the direction close to the blocking part along the guide rail until the box frame abuts against the blocking part, at the moment, the spring is in a compressed state, the button is located at a touch position, the button is pressed to enable the button to be located at a locking position, at the moment, the box frame is fixed on the rack, the nut is loosened, and the old metal wire box is taken down; then, a screw rod on the metal wire box to be replaced slides along a guide groove on the box frame until the screw rod is abutted to the end part of the guide groove, a nut is screwed to fix the metal wire box on the box frame, a button is pressed to enable the button to be located at a touch position, the box frame moves towards the direction of the fixing table along the guide rail under the action force of a spring, a scroll on the metal wire box is matched with the positioning shaft, and meanwhile, a metal wire on the metal wire box slides into a bayonet along the guide block.

Drawings

Fig. 1 is a schematic structural diagram of a cutting and connecting device for use in a blood bag sterile connecting apparatus according to the present invention;

FIG. 2 is a schematic structural view of a wire snap-in bayonet according to the present invention;

FIG. 3 is a schematic structural view of a wire snap-in bayonet according to the present invention;

FIG. 4 is a schematic structural diagram of a guide block provided in the present invention;

FIG. 5 is a schematic structural view of a positioning shaft according to the present invention;

FIG. 6 is a schematic view of the structure of a wire cassette provided in the present invention;

FIG. 7 is a schematic view of the structure of the present invention showing the engagement between the spool and the positioning shaft;

FIG. 8 is a schematic structural view of a guide groove provided in the present invention;

wherein, 1, a frame; 2. a box frame; 3. a button; 41. a restoring elastic member; 42. a guide rail; 43. a guide groove; 44. a blocking portion; 5. a wire box; 51. a metal wire; 52. a reel; 61. a guide groove; 62. a nut; 7. a bayonet; 8. a guide block; 9. a fixed table; 91. positioning the shaft;

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 8, the present invention provides a cutting and docking device for use in a blood bag sterile docking apparatus, comprising a frame 1, a wire cassette 5, a driving device, wherein the wire cassette 5 is arranged on the frame 1, and the wire cassette 5 comprises a wire 51; a driving means is provided on the frame 1 for driving the wire 51 to move in the vertical direction.

The driving device comprises a motor and a bayonet frame, the bayonet frame is arranged on the rack 1, a bayonet 7 is arranged on the bayonet frame, the metal wire 51 is clamped into the bayonet 7, and the motor is used for driving the bayonet frame to move in the vertical direction. The metal wire is driven by the motor to move up and down to realize cutting and connection, so that the connection equipment is compact in structure and small in size.

The wire guide device further comprises a guide block 8, wherein the guide block 8 is arranged at the top of the rack 1, and the guide block 8 is butted with the bayonet 7, so that the wire 51 slides into the bayonet 7 along the guide block 8. Thus, the metal wire can be quickly clamped into the bayonet.

In the embodiment of the present invention, the guide block 8 is inclined upward toward the opening of the bayonet 7 at an acute angle with respect to the horizontal plane.

In an embodiment of the invention, positioning means are further included for urging the wire 51 to slide along the guide block 8 into the bayonet 7.

The positioning device comprises a box frame 2 and a button 3, wherein the box frame 2 is used for bearing a metal wire box 5, and the box frame 2 is movably arranged on the machine frame 1 along the horizontal direction. The metal wire box is moved to the appointed position through the box frame, so that the metal wire box can be effectively slid to the appointed position, and the workload of workers is reduced. The button 3 is arranged on the box frame 2, the button 3 can move between a touch position and a locking position, and when the button 3 is located at the touch position, the box frame 2 can move in the horizontal direction; when the button 3 is in the locking position, the cassette holder 2 is fixed to the frame. As shown in fig. 5, the box frame slides the wire box to a designated position, at this time, the button is located at a touch position, the box frame is moved in a direction away from the designated position until the farthest end is reached, the button is pressed, the button is moved to a locking position from the touch position, and at this time, the box frame is fixed on the rack; then the button is pressed down, the button moves from the locking position to the triggering position, and the box frame moves towards the direction close to the designated position until the box frame reaches the designated position. Therefore, the box frame is controlled to move or be fixed through the buttons, the operation is simple, and the control is convenient.

In the embodiment of the invention, the box frame 2 is connected with the machine frame 1 through a sliding component to realize relative movement.

Specifically, the sliding assembly comprises a return elastic element 41, a guide rail 42 and a guide groove 43, wherein one end of the return elastic element 41 is fixed on the rack 1, and the other end is connected with the box frame 2; the guide rail 42 is arranged on the frame 1, the guide groove 43 is arranged on the box frame 2, and the guide groove 43 is matched with the guide rail 42; when the box frame 2 moves to one end of the guide rail 42, the reset elastic piece 41 is in a compressed state, and the button 3 can move between a touch position and a locking position; when the cartridge holder 2 moves to the other end of the guide rail 42, the return elastic member 41 is in a released state.

The sliding assembly further comprises a blocking portion 44, the blocking portion 44 is disposed on the frame 1, when the cartridge holder 2 moves to one end of the guide rail 42, the cartridge holder 2 abuts against the blocking portion 44, and at this time, the cartridge holder reaches the farthest end from the designated position. The stop both definitively defines the position of the cartridge holder which is furthest from the designated position and ensures that the return spring operates within elastic limits.

In an embodiment of the present invention, the return elastic member 41 may be a spring.

In an embodiment of the present invention, a positioning assembly is further included, which allows the wire cassette 5 to be fixed to the cassette holder 2.

Specifically, as shown in fig. 6 to 8, the positioning assembly includes a guide groove 61, a screw rod, and a nut 62, the guide groove 61 is provided on the box frame 2, the screw rod is provided on the wire box 5, the screw rod is movable in the guide groove 61, and the nut 62 is engaged with the screw rod. When the metal wire box needs to be replaced, the box frame is moved towards the direction close to the blocking part along the guide rail until the box frame abuts against the blocking part, at the moment, the spring is in a compressed state, the button is located at a touch position, the button is pressed to enable the button to be located at a locking position, at the moment, the box frame is fixed on the rack, the nut is loosened, and the old metal wire box is taken down; then, a screw rod on the metal wire box to be replaced slides along a guide groove on the box frame until the screw rod is abutted to the end part of the guide groove, a nut is screwed to fix the metal wire box on the box frame, the button is pressed again to enable the button to be located at a touch position, under the action force of the spring, the box frame moves towards the direction of the fixing table along the guide rail, a scroll on the metal wire box is matched with the positioning shaft, and meanwhile, a metal wire on the metal wire box slides into a bayonet along the guide block. .

In the embodiment of the present invention, as shown in fig. 5, the wire box further comprises a fixing table 9, a positioning shaft 91 is arranged on the fixing table 9, and the positioning shaft 91 is matched with the winding shaft 52 on the wire box 5. The stroke of the movement of the winding shaft 52 on the positioning shaft 91 is adapted to the stroke of the sliding of the wire 51 from the slider 8 into the bayonet 7, and specifically, when the winding shaft 52 slides from one end to the other end of the positioning shaft 91, the wire 51 slides from the slider 8 into the bayonet 7.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A cutting device of plugging into that is arranged in blood bag equipment of plugging into aseptically, its characterized in that includes:

a frame;

the metal wire box is arranged on the rack and comprises metal wires;

the driving device is arranged on the rack and used for driving the metal wire to move in the vertical direction;

the box frame is used for bearing a metal wire box and is movably arranged on the rack along the horizontal direction;

the button is arranged on the box frame, can move between a touch position and a locking position, and can move in the horizontal direction when the button is located at the touch position; when the button is located at the locking position, the box frame is fixed on the rack;

the metal wire box is characterized by further comprising a guide groove, a screw and a nut, wherein the guide groove is formed in the box frame, the screw is arranged on the metal wire box and can move in the guide groove, and the nut is matched with the screw so that the metal wire box is fixed on the box frame;

still include the fixed station, be provided with the location axle on the fixed station, the location axle with spool on the metal silk thread box cooperatees.

2. The cutting and connecting device for use in a blood bag sterile connecting apparatus according to claim 1, wherein the driving device comprises a motor and a bayonet frame, the bayonet frame is arranged on the frame, a bayonet is arranged on the bayonet frame, the metal wire is clamped into the bayonet, and the motor is used for driving the bayonet frame to move in a vertical direction.

3. The cutting and docking device as claimed in claim 2, further comprising a guide block disposed on top of the frame, the guide block being docked with the bayonet such that the wire slides along the guide block into the bayonet.

4. The cutting and connecting device for use in a blood bag sterile connecting apparatus according to claim 3, wherein the guide block is inclined upward toward the opening of the bayonet at an acute angle to the horizontal plane.

5. The cutting and docking device for use in a blood bag sterile docking apparatus according to claim 3, further comprising a positioning device for driving a wire to slide along a guide block into the bayonet.

6. The cutting and connecting device for use in a blood bag sterile connecting device according to claim 5, wherein the cassette holder is connected to the frame by a sliding assembly for relative movement, the sliding assembly comprises a restoring elastic member, a guide rail and a guide groove, one end of the restoring elastic member is fixed to the frame, and the other end of the restoring elastic member is connected to the cassette holder; the guide rail is arranged on the rack, the guide groove is arranged on the box frame, and the guide groove is matched with the guide rail; when the box frame moves to one end of the guide rail, the reset elastic piece is in a compressed state, and the button can move between the touch position and the locking position; when the box frame moves to the other end of the guide rail, the reset elastic piece is in a release state.

7. The cutting and docking device as claimed in claim 6, wherein the sliding assembly further comprises a blocking portion disposed on the frame, and the cassette holder abuts against the blocking portion when the cassette holder moves to one end of the guide rail.