Drug delivery device

Abstract

The invention relates to the technical field of drug delivery, in particular to a drug delivery device which comprises a base frame and a combined frame, a combined barrel is manually and vertically pressed downwards, a sealing membrane is inserted and punctured through an inserting piece, a composite fiber net fixedly communicated with the interior of the top end of the inserting piece is used for filtering liquid medicine and conveying the liquid medicine downwards, and the combined barrel is manually and vertically lifted upwards. Liquid medicine between the top of the sliding plug assembly and the inner wall of the top end of the column casing flows towards the position between the flow dividing cylinder and the distance ring through a steel pipe arranged on the left side of the column casing in a communicating mode, a connecting rod on the right side of the combination cylinder drives a cushion disc, a pressing piece, an inserting rod and a combination frame to vertically move upwards, and a supporting frame, a separation frame, a replaceable medicine bottle to be supplied with liquid and a catheter are manually rotated by 60 degrees. Through the arrangement, six medicine bottles can be symmetrically distributed, clamped and placed through the device main body, the device main body has the effects of conveniently replacing the medicine bottles, conveniently drawing and sucking liquid and distributing and conveying the medicine bottles, and liquid medicine supply treatment of multiple patients can be achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of drug delivery, in particular to a drug delivery device. Background Art

[0002] Drug delivery refers to a technical system that comprehensively regulates the distribution of drugs in the body in terms of space, time and dosage. Its goal is to deliver the right amount of drugs to the right location at the right time, thereby increasing the utilization efficiency of the drugs, improving efficacy, reducing costs and reducing toxic side effects. Take the drug liquid supply structure of the drug delivery device as an example.

[0003] The drug liquid supply structure of some drug delivery devices is not convenient for clamping and placing multiple medicine bottles of the same type, and it is relatively cumbersome to supply drug liquid to multiple patients. The main body of the drug liquid supply structure is not convenient for replacing, drawing and sucking liquid, and diverting and transporting medicine bottles. Therefore, a drug delivery device is proposed to address the above problems. Summary of the invention

[0004] The purpose of the present invention is to provide a drug delivery device to solve the problems that the drug liquid supply structure of some drug delivery devices is not convenient for clamping and placing multiple medicine bottles of the same type, it is relatively cumbersome to supply drug liquid to multiple patients, and the main body of the drug liquid supply structure is not convenient for replacing, pumping and sucking liquid, and diverting and transporting medicine bottles.

[0005] To achieve the above object, the present invention provides the following technical solutions: A drug delivery device comprises a base frame and a combined frame, wherein the combined frame is arranged above the base frame, and the base frame comprises a chassis, a buffer device, a diverter device, a sleeve assembly, a column barrel, a slide plug assembly, a clamping assembly, a disc and a plug-in, wherein the buffer device and the diverter device are arranged on the top of the chassis, the sleeve assembly is fixedly arranged on the top of the chassis, the column barrel is fixedly arranged on the top of the outer inclined plate of the sleeve assembly, the slide plug assembly is slidably arranged on the inner wall of the column barrel, the clamping assembly is fixedly arranged on the top of the slide plug assembly, the disc barrel is arranged on the top of the column barrel, the plug-in is fixedly arranged on the inner wall of the disc barrel, a hard pipe is fixedly connected between the bottom end of the plug-in and the top end of the column barrel, the bottom end of the disc barrel is fixedly arranged with the hard pipe, and the clamping assembly The assembly is slidably arranged with the inner wall of the hard pipe, the bottom rod of the sliding plug assembly is slidably arranged with the bottom end of the column tube and the inner wall of the sleeve assembly, the combined frame includes a support frame, a disc frame, a threaded block, a ring frame, a medicine bottle, a film sealing sheet, a pressure rod, a limiting cylinder and a second spring, the support frame is in close contact with the inside of the disc frame, the threaded column on the top of the support frame is assembled with the internal thread of the threaded block, six ring frames are symmetrically distributed and fixedly arranged on the outside of the disc frame, a medicine bottle is arranged inside the ring frame, a film sealing sheet is fixedly arranged at the bottom end of the medicine bottle, a pressure rod is in close contact with the outside of the medicine bottle, a limiting cylinder is fixedly arranged near one end of the ring frame, the pressure rod support rod is slidably arranged with the inner wall of the limiting cylinder, and a second spring is fixedly arranged between the pressure rod and the ring frame.

[0006] Preferably, the buffer device includes a vertical tube, an insert rod, a pad, a pressure piece, a first spring, a connecting rod and a combination tube, the inner wall of the vertical tube is slidably provided with an insert rod, a pad is fixedly provided with a pad on the top of the insert rod, a pressure piece is provided on the top of the pad, a first spring is fixedly provided between the pad and the chassis, a connecting rod is fixedly provided at the left end of the pad, a combination tube is slidably provided on the outside of the connecting rod, the left end of the combination tube is slidably provided with the right bracket of the bottom rod of the sliding plug assembly, the pressure piece is in contact with the bottom of the support frame, and the pressure piece and the pad are assembled by a stud thread.

[0007] Preferably, the diversion device includes a diversion tube, a spacer ring, a partition frame, a ring disk and a conduit. The spacer ring is fixedly arranged inside the diversion tube, the top of the diversion tube and the inner wall of the spacer ring are in close contact with the partition frame, the inside of the ring disk and the bottom of the diversion tube are threadedly assembled by studs, and the bottom of the diversion tube is fixedly connected to the inside with a conduit.

[0008] Preferably, the right end of the diverter cylinder is fixedly connected to the steel pipe at the left end of the column cylinder, and through holes are opened inside the right end of the spacer ring and the inner wall of the partition frame.

[0009] Preferably, the inner wall of the drum is in close contact with the ring frame arranged on the left side, and the outer side of the plug-in is inserted into the sealing film.

[0010] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, the combined cylinder is manually pressed vertically downward to squeeze the first spring, the plug-in is inserted to pierce the sealing film, the inner wall of the hard pipe arranged between the clamping assembly and the column cylinder and the plug-in is separated, the composite fiber net fixedly connected inside the top of the plug-in filters the liquid medicine and transports it downward, the combined cylinder is manually pulled vertically upward, the sliding plug assembly and the clamping assembly on the left side of the combined cylinder move vertically upward, the liquid medicine between the top of the sliding plug assembly and the inner wall of the top of the column cylinder flows toward the diverter cylinder and the spacer ring through the steel pipe arranged in communication on the left side of the column cylinder, and the liquid medicine enters the diverter cylinder along the through hole. The inside of the catheter fixedly connected at the bottom of the partition frame is used to deliver the liquid medicine to the patient's infusion line through the catheter. The connecting rod on the right side of the combination tube drives the pad, the pressing piece, the insertion rod and the combination frame to move vertically upward. The support frame is manually rotated 60 degrees, and the partition frame is manually rotated 60 degrees. The medicine bottles to be supplied and the catheter can be replaced. Through the above settings, the main body of the device can symmetrically distribute and clamp and place six medicine bottles. The main body of the device has the functions of convenient replacement of medicine bottles, convenient extraction and suction of liquids, and diversion and delivery, and can realize the supply and processing of liquid medicine for multiple patients. 2. In the present invention, the combined frame is first assembled and assembled, and a plug hole is opened inside the disc frame and vertically inserted and placed with the support frame. The threaded block is manually rotated so that the threaded column on the top of the support frame and the inside of the threaded block are threadedly assembled and limited. The pressure rod is manually pushed so that the pressure rod moves away from the vertical center axis of the ring frame. At this time, the second spring is squeezed, and the medicine bottle is placed from bottom to top on the vertical center axis of the ring frame. The pressure rod is manually released, and under the action of the second spring returning and rebounding, the medicine bottle is fit and limited by the pressure rod, the combined frame is assembled and installed with the base frame, and the support frame is placed on the top of the pad. The pressure piece and the support frame are fit and placed, and the pressure piece and the pad are threadedly assembled and limited by the external studs. Through the above arrangement, the device body can disassemble and replace the internal components, which is convenient for regular cleaning and maintenance of the inside of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a schematic diagram of the upper and lower split structure of the base frame and the combined frame of the present invention; Figure 3 It is a schematic diagram of the cross-sectional structure of some components of the base frame of the present invention; Figure 4 For the present invention Figure 3 A schematic diagram of the enlarged structure at point A; Figure 5 It is a schematic cross-sectional structure diagram of some components of the buffer device of the present invention; Figure 6 It is a schematic cross-sectional structure diagram of some components of the flow diversion device of the present invention; Figure 7 This is a schematic diagram of the structure of the partition frame of the present invention; Figure 8 It is a schematic cross-sectional structure diagram of some components of the combined frame of the present invention; Fig. 9 For the present invention Figure 8 A schematic diagram of the enlarged structure at B; Fig.10 For the present invention Figure 8 A schematic diagram of the enlarged structure at C; Fig.11 It is a schematic diagram of the installation cross-sectional structure of the base frame and the assembly frame of the present invention; Fig.12 For the present invention Fig.11 Enlarged structural diagram at D.

[0012] In the figure: 1, base frame; 11, chassis; 12, buffer device; 121, vertical pipe; 122, plug rod; 123, pad; 124, pressure piece; 125, first spring; 126, connecting rod; 127, combined cylinder; 13, diverter device; 131, diverter cylinder; 132, spacer ring; 133, partition frame; 134, ring disk; 135, catheter; 14, sleeve assembly; 15, column cylinder; 16, slide plug assembly; 17, clamping assembly; 18, disc cylinder; 19, plug-in; 2, combined frame; 21, support frame; 22, disc frame; 23, threaded block; 24, ring frame; 25, medicine bottle; 26, film sealing sheet; 27, pressure rod; 28, limit cylinder; 29, second spring. DETAILED DESCRIPTION

[0013] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0014] In the embodiments of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. are based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limitations of the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. Similarly, similar words such as "one", "an", or "the" do not indicate a quantitative limitation, but rather indicate the presence of at least one. Similar words such as "include" or "comprises" mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects.

[0015] In addition, in the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0016] See also Figure 1-12 , the present invention provides a technical solution: A drug delivery device comprises a base frame 1 and a combined frame 2, wherein the combined frame 2 is arranged above the base frame 1, and the base frame 1 comprises a chassis 11, a buffer device 12, a diverter device 13, a sleeve assembly 14, a column 15, a slide assembly 16, a clamping assembly 17, a disc 18 and a plug-in 19. The buffer device 12 and the diverter device 13 are arranged on the top of the base frame 11, the sleeve assembly 14 is fixedly arranged on the top of the base frame 11, the column 15 is fixedly arranged on the top of the outer inclined plate of the sleeve assembly 14, the slide assembly 16 is slidably arranged on the inner wall of the column 15, the clamping assembly 17 is fixedly arranged on the top of the slide assembly 16, the disc 18 is arranged on the top of the column 15, the plug-in 19 is fixedly arranged on the inner wall of the disc 18, a hard pipe is fixedly connected between the bottom end of the plug-in 19 and the top end of the column 15, the bottom end of the disc 18 is fixedly arranged with the hard pipe, and the clamping assembly 17 is fixedly arranged with the hard pipe. The inner wall of the hard pipe is slidably arranged, the bottom rod of the sliding plug assembly 16 is slidably arranged inside the bottom end of the column tube 15 and the inner wall of the sleeve assembly 14, the combined frame 2 includes a support frame 21, a disc frame 22, a threaded block 23, a ring frame 24, a medicine bottle 25, a sealing film 26, a pressure rod 27, a limiting cylinder 28 and a second spring 29, the support frame 21 is in close contact with the inside of the disc frame 22, the threaded column at the top of the support frame 21 is assembled with the internal thread of the threaded block 23, six ring frames 24 are symmetrically distributed and fixedly arranged on the outside of the disc frame 22, a medicine bottle 25 is arranged inside the ring frame 24, a sealing film 26 is fixedly arranged at the bottom end of the medicine bottle 25, a pressure rod 27 is in close contact with the outside of the medicine bottle 25, a limiting cylinder 28 is fixedly arranged near one end of the ring frame 24 near the medicine bottle 25, the pressure rod 27 support rod is slidably arranged with the inner wall of the limiting cylinder 28, and a second spring 29 is fixedly arranged between the pressure rod 27 and the ring frame 24.

[0017] The buffer device 12 includes a vertical tube 121, an insertion rod 122, a pad 123, a pressure piece 124, a first spring 125, a connecting rod 126 and a combination tube 127. The insertion rod 122 is slidably arranged on the inner wall of the vertical tube 121, and a pad 123 is fixedly arranged on the top of the insertion rod 122. A pressure piece 124 is arranged on the top of the pad 123. The first spring 125 is fixedly arranged between the pad 123 and the chassis 11. A connecting rod 126 is fixedly arranged on the left end of the pad 123, and a combination tube 127 is slidably arranged on the outer side of the connecting rod 126. The left end of the combination tube 127 is slidably arranged with the bottom rod and right bracket of the sliding plug assembly 16, the pressure piece 124 is in contact with the bottom of the support frame 21, and the pressure piece 124 and the pad 123 are assembled by stud threads. Through the above arrangement, a buffer device 12 for vertically inserting and extracting liquid from the medicine bottle 25 is formed.

[0018] The diversion device 13 includes a diversion tube 131, a spacer ring 132, a partition frame 133, a ring disk 134 and a conduit 135. The spacer ring 132 is fixedly arranged inside the diversion tube 131, the top interior of the diversion tube 131 and the inner wall of the spacer ring 132 are both in contact with the partition frame 133, the inside of the ring disk 134 and the bottom end of the diversion tube 131 are threadedly assembled by studs, and the bottom end of the diversion tube 131 is fixedly connected with a conduit 135. Through the above arrangement, a diversion device 13 for partitioned diversion of the medicine solution is formed.

[0019] The right end of the diverter tube 131 is fixedly connected to the left end of the column tube 15 by a steel pipe, and through holes are provided inside the right end of the spacer ring 132 and the inner wall of the partition frame 133. Through the above arrangement, the medicine between the top of the sliding plug assembly 16 and the inner wall of the top of the column tube 15 flows toward the diverter tube 131 and the spacer ring 132 through the steel pipe connected to the left side of the column tube 15.

[0020] The inner wall of the drum 18 is in contact with the ring frame 24 arranged on the left side, and the outer side of the plug 19 is inserted and arranged with the sealing film 26. Through the above arrangement, the inner cavity of the plug 19 and the inside of the medicine bottle 25 are in an inserted and connected structure.

[0021] Workflow: The present invention provides a drug delivery device, the main body of the device can clamp and place six medicine bottles 25 in a symmetrical distribution. The main body of the device has the functions of convenient replacement of the medicine bottles 25, convenient extraction and suction of liquid, and diversion and delivery, and can realize the supply and processing of liquid medicine for multiple patients.

[0022] Before using the device, the combined frame 2 is assembled, the jack is opened inside the disc frame 22 and vertically inserted into the support frame 21, the threaded block 23 is manually rotated so that the threaded column at the top of the support frame 21 and the inside of the threaded block 23 are threadedly assembled and limited, the pressure rod 27 is manually pushed so that the pressure rod 27 moves away from the vertical center axis of the ring frame 24. At this time, the second spring 29 is squeezed, and the medicine bottle 25 is placed from bottom to top on the vertical center axis of the ring frame 24. The pressure rod 27 is manually released, and under the action of the second spring 29 returning to the original position, the pressure rod 27 is used to fit the medicine bottle 25 and limit the position.

[0023] The combined frame 2 is assembled with the base frame 1 , and the support frame 21 is placed on the top of the pad 123 . The pressing piece 124 is placed in close contact with the support frame 21 , and the pressing piece 124 and the pad 123 are threadedly assembled and limited by external studs.

[0024] The combination tube 127 is manually pressed vertically downward, and the connecting rod 126 on the right side of the combination tube 127 drives the pad 123, the pressure piece 124, the insertion rod 122 and the combination frame 2 to move vertically downward, squeezing the first spring 125, wherein the insertion rod 122 and the vertical tube 121 play a role in sliding limit of the above-mentioned main body, and the plug-in 19 is inserted to pierce the sealing film 26.

[0025] The sliding plug assembly 16 and the card assembly 17 on the left side of the combined cylinder 127 move vertically downward, and the inner wall of the hard pipe arranged between the card assembly 17 and the column cylinder 15 and the plug-in 19 is detached. The sliding plug assembly 16 and the card assembly 17 play the role of pumping liquid downward, and the composite fiber mesh fixedly connected inside the top of the plug-in 19 filters the liquid medicine and transports it downward. The liquid medicine is located between the top of the sliding plug assembly 16 and the inner wall of the top of the column cylinder 15.

[0026] The combination cylinder 127 is manually pulled vertically upward, and the sliding plug assembly 16 and the clamping assembly 17 on the left side of the combination cylinder 127 move vertically upward. The medicine between the top of the sliding plug assembly 16 and the inner wall of the top of the column cylinder 15 flows toward the diversion cylinder 131 and the partition ring 132 through the steel pipe connected to the left side of the column cylinder 15. Since through holes are provided inside the right end of the partition ring 132 and the inner wall of the partition frame 133, the medicine flows through the through holes into the interior of the catheter 135 fixedly connected to the bottom of the partition frame 133, and is transported to the patient's infusion pipeline through the catheter 135.

[0027] The connecting rod 126 on the right side of the combination cylinder 127 drives the pad 123, the pressure piece 124, the insertion rod 122 and the combination frame 2 to move vertically upward, and the plug-in 19 is separated from the sealing film 26 until the bottom end of the sealing film 26 is higher than the top end of the disk 18. The support frame 21 is manually rotated 60 degrees, and the partition frame 133 is manually rotated 60 degrees. The medicine bottle 25 to be supplied and the catheter 135 can be replaced. Repeating the above operations has the functions of convenient replacement of the medicine bottle 25, convenient extraction and suction of liquid, and diversion and transportation, and can realize the supply and processing of liquid for multiple patients.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A drug delivery device, comprising a base frame (1) and a combined frame (2), characterized in that: A combined frame (2) is arranged above the base frame (1), and the base frame (1) comprises a chassis (11), a buffer device (12), a flow diverter (13), a sleeve assembly (14), a column (15), a sliding plug assembly (16), a clamping assembly (17), a disc (18), and a plug (19). The top of the chassis (11) is provided with a buffer device (12) and a flow diverter (13). The top of the chassis (11) is fixedly provided with a sleeve assembly (14). The top of the outer inclined plate of the sleeve assembly (14) is fixedly provided with a A column (15) is arranged, a sliding plug assembly (16) is slidably arranged on the inner wall of the column (15), a clamping assembly (17) is fixedly arranged on the top of the sliding plug assembly (16), a disc (18) is arranged on the top of the column (15), a plug-in unit (19) is fixedly arranged on the inner wall of the disc (18), a hard pipe is fixedly connected between the bottom end of the plug-in unit (19) and the top end of the column (15), the bottom end of the disc (18) is fixedly arranged with the hard pipe, and the clamping assembly (17) is slidably arranged with the inner wall of the hard pipe. The bottom rod of the sliding plug assembly (16) is slidably arranged inside the bottom end of the column tube (15) and the inner wall of the sleeve assembly (14); the combined frame (2) comprises a support frame (21), a disk frame (22), a threaded block (23), a ring frame (24), a medicine bottle (25), a sealing film (26), a pressure rod (27), a limiting cylinder (28) and a second spring (29); the support frame (21) is in close contact with the inside of the disk frame (22); the threaded column at the top of the support frame (21) is threadedly assembled with the internal thread of the threaded block (23); the disk Six ring frames (24) are symmetrically distributed and fixedly arranged on the outside of the frame (22), a medicine bottle (25) is arranged inside the ring frame (24), a sealing film (26) is fixedly arranged at the bottom end of the medicine bottle (25), a pressure rod (27) is in contact with the outside of the medicine bottle (25), a limiting cylinder (28) is fixedly arranged at one end of the ring frame (24) close to the medicine bottle (25), a support rod of the pressure rod (27) is slidably arranged with the inner wall of the limiting cylinder (28), and a second spring (29) is fixedly arranged between the pressure rod (27) and the ring frame (24).

2. A drug delivery device according to claim 1, characterized in that: The buffer device (12) comprises a vertical tube (121), an insertion rod (122), a pad (123), a pressure piece (124), a first spring (125), a connecting rod (126) and a combination tube (127); the vertical tube (121) is slidably provided with an insertion rod (122) on the inner wall; the insertion rod (122) is fixedly provided with a pad (123) at the top end; the pad (123) is provided with a pressure piece (124) at the top end; the pad (123), the bottom plate (124) and the connecting rod (126) are connected to the bottom plate (127); 1), a first spring (125) is fixedly arranged between the support frame (21), a connecting rod (126) is fixedly arranged at the left end of the pad (123), a combination cylinder (127) is slidably arranged outside the connecting rod (126), the left end of the combination cylinder (127) is slidably arranged inside the bottom rod right bracket of the sliding plug assembly (16), the pressing piece (124) is in contact with the bottom of the support frame (21), and the pressing piece (124) and the pad (123) are assembled by stud threads.

3. A drug delivery device according to claim 1, characterized in that: The flow dividing device (13) comprises a flow dividing tube (131), a spacer ring (132), a partition frame (133), a ring disk (134) and a conduit (135); the spacer ring (132) is fixedly arranged inside the flow dividing tube (131); the top interior of the flow dividing tube (131) and the inner wall of the spacer ring (132) are both in close contact with the partition frame (133); the interior of the ring disk (134) and the bottom end of the flow dividing tube (131) are threadedly assembled via studs; and the bottom end of the flow dividing tube (131) is fixedly connected to the interior of the conduit (135).

4. A drug delivery device according to claim 3, characterized in that: The right end of the diversion cylinder (131) is fixedly connected to the steel pipe at the left end of the column cylinder (15), and through holes are provided inside the right end of the spacer ring (132) and on the inner wall of the partition frame (133).

5. A drug delivery device according to claim 1, characterized in that: The inner wall of the drum (18) is in close contact with a ring frame (24) arranged on the left side, and the outer side of the plug-in unit (19) is inserted into and arranged with a sealing film (26).

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