Directional infusion apparatus convenient to replace

Abstract

The invention relates to the technical field of infusion apparatuses, in particular to a directional infusion apparatus convenient to replace. An inner cavity of a communicating frame is provided with a liquid cavity and a containing cavity, the containing cavity is located above the liquid cavity, a through groove is formed in the bottom of the liquid cavity, and the bottom of the through groove fixedly communicates with a liquid conveying pipe; the air bag ring is fixedly installed between the containing cavity and the liquid cavity, and the outer wall of the air bag ring communicates with an inflation driving assembly used for expanding and clamping a liquid outlet of the infusion bottle. The elastic gathering mechanism is rotationally arranged on the edge of the communicating frame. The device is input into a human body along the through groove and the infusion tube, the plug is prevented from stretching into an infusion bottle to pollute medicaments, and the outer wall of the infusion bottle is clamped and fixed again through inward gathering of the elastic gathering mechanism; when the fixing device faces an infusion bottle with a small size, the elastic gathering mechanism rotates and expands outwards, so that the elastic gathering mechanism limits air leakage caused by resilience force generated when the inflation driving assembly is extruded by the air bag ring, and the fixing strength is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of infusion sets, and in particular to a directional infusion set which is convenient for replacement. Background Art

[0002] Infusion pump, as the name implies, is a medical device for infusion. The traditional infusion method is to suspend the liquid in the bottle or infusion bag at a high place, and use gravity to make the liquid flow into the vein through the infusion tube. The flow rate is manually adjusted by the clip on the tube, and the adjustment index is the dripping speed in the dropper. When the current infusion set is used, the needle tube on the infusion set is inserted into the end of the infusion bag to connect the medicine, so that the medicine can be injected into the blood vessel through the needle vein along the infusion tube. However, inserting the infusion bag through the needle tube not only easily causes the debris at the end of the infusion bag to contact with the medicine as the needle tube goes deeper, affecting the quality of the medicine, but also the fixing effect of the needle tube and the infusion bag is limited. If the patient or the patient's family members accidentally pull the infusion tube, the needle tube may easily fall off the end of the infusion bag. In addition, when the infusion bag and the infusion set are separated for replacement, the infusion set and the infusion bag need to be pulled hard. If the infusion tube of the infusion set is pulled, it may easily cause deformation and damage, affecting subsequent use. In view of this, we propose a directional infusion set that is easy to replace. Summary of the invention

[0003] The object of the present invention is to provide a directional infusion set that is easy to replace, so as to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above object, the present invention provides a directional infusion set that is easy to replace, comprising at least: A connecting frame, wherein the inner cavity of the connecting frame is provided with a liquid cavity and a placement cavity, the placement cavity is located above the liquid cavity, a through groove is opened at the bottom of the liquid cavity, and a liquid infusion tube is fixedly connected to the bottom of the through groove; An airbag ring, which is fixedly installed between the placement cavity and the liquid cavity, and the outer wall of the airbag ring is connected to an inflation drive component for inflating and clamping the liquid outlet of the infusion bottle; An elastic gathering mechanism is rotatably arranged at the edge of the connecting frame. When the elastic gathering mechanism rotates inward, it is used to clamp the body of the infusion bottle in the placement cavity. When the elastic gathering mechanism rotates outward, it is used to squeeze and limit the inflation and deflation operations of the inflation drive component.

[0005] As a further improvement of the present technical solution, the liquid cavity is a conical shell structure, the interior of the liquid cavity is used to accommodate the liquid outlet of the infusion bottle, and the inner diameter of the liquid cavity decreases from top to bottom and is connected to the through groove.

[0006] As a further improvement of the present technical solution, the inflation drive assembly includes at least a through shell fixed to the outer wall of the connecting frame, the interior of the through shell is connected to the airbag ring through a pipeline, and a piston plate is slidably provided inside the through shell, and the outer wall of the piston plate is sealed and adapted to slide with the interior of the through shell.

[0007] As a further improvement of the present technical solution, a sliding groove is provided on the inner wall of the through shell, a transmission screw is rotatably provided inside the sliding groove, the outer wall of the transmission screw is threadedly connected to the edge of the piston plate, a turntable is rotatably provided on the outer wall of the through shell, the end of the turntable extends into the interior of the sliding groove, and two vertically meshing bevel gears are provided between the turntable and the end of the transmission screw.

[0008] As a further improvement of the technical solution, the elastic gathering mechanism at least includes a plurality of movable parts arranged at the top edge of the connecting frame, the top of the movable part is fixedly connected to a movable block, and the outer wall of the movable block is movably connected to a gathering rod.

[0009] As a further improvement of the present technical solution, an axial rod is fixedly connected in the groove at the bottom of the gathering rod, the axial rod movably passes through the movable block, and an elastic member is fixedly connected between the end of the axial rod and the outer wall of the movable block, the elastic member is used to generate a rebound force to make the gathering rod gather inward.

[0010] As a further improvement of the technical solution, a rotating rod is fixedly connected to the bottom of the movable part, and the bottom of the rotating rod is rotatably connected to the top edge of the connecting frame.

[0011] As a further improvement of the technical solution, a swivel fork is provided on the inner surface of the gathering rod, a swivel block is rotatably provided inside the swivel fork, a bonding plate is fixedly connected to the outer wall of the bonding plate, and the inner wall of the bonding plate is an arc-shaped structure.

[0012] As a further improvement of the technical solution, a contact shell is provided at the upper end of the gathering rod, and a ball is movably connected inside the contact shell, and the ball is used to roll and fit the outer wall of the infusion bottle.

[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. In the directional infusion set that is easy to replace, the lower end of the infusion bottle is inserted into the liquid cavity, and the infusion bottle and the liquid cavity are in a connected state, so that the airbag ring completes the inflation operation through the inflation drive component, clamps the outer wall of the infusion bottle, and the medicine is poured from the infusion bottle into the liquid cavity, and then introduced into the human body along the through groove and the infusion tube, thereby avoiding the plug extending into the infusion bottle to contaminate the medicine.

[0014] 2. In this directional infusion set that is easy to replace, when facing a larger infusion bottle, the elastic gathering mechanism gathers inwards to clamp and fix the outer wall of the infusion bottle again, so as to prevent the infusion bottle from tipping over and shaking, improve the stability of the installation, and ensure the stability of the connection between the inside of the infusion bottle and the liquid cavity; When facing a smaller infusion bottle, the inflation drive component inflates into the airbag ring to improve the clamping effect of the infusion bottle, and the elastic gathering mechanism rotates outward to open, so that the elastic gathering mechanism limits the deflation of the inflation drive component caused by the rebound force generated by the squeezing of the airbag ring, thereby improving the fixing strength.

[0015] 3. In this directional infusion set that is easy to replace, the gas in the airbag ring is led out through the inflation drive component, so that the space size inside the airbag ring is increased, which is convenient for installing and removing the infusion bottle. At the same time, the elastic gathering mechanism can be rotated to keep it away from the outer wall of the infusion bottle, making it convenient to take and place the infusion bottle.

[0016] 4. In the directional infusion set that is easy to replace, the arc-shaped cooperation between the laminating plate and the outer wall of the infusion bottle is realized, so that the end of the gathering rod is attached to the infusion bottle for clamping, and the laminating plate can also limit and fix the infusion bottle, thereby improving the fixing effect; Moreover, when the gathering rod rotates outward, the bonding plate is driven to rotate outward, and the rotating block rotates inside the rotating fork, so that the bonding plate forms an arc support shape, which makes it easier to place the connecting frame on the desktop, improves the subsequent placement effect, and avoids pollution caused by rolling. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure assembly of the present invention; Figure 2 It is an internal cutaway view of the overall structure of the present invention; Figure 3 It is a cross-sectional view of the connecting frame structure of the present invention; Figure 4 For the present invention Figure 2 A schematic diagram of the structure at A; Figure 5 It is a schematic diagram of the structural decomposition of the elastic gathering mechanism of the present invention; Figure 6 For the present invention Figure 5 Schematic diagram of the structure at B; Figure 7 It is a schematic assembly diagram of the rotation process of the gathering rod of the present invention; Figure 8 For the present invention Figure 5 Schematic diagram of the structure at C.

[0018] The meaning of each number in the figure is: 100, connecting frame; 110, liquid cavity; 111, through groove; 120, infusion tube; 130, placement cavity; 200, air bag ring; 210, inflatable drive assembly; 211, through shell; 2110, slideway; 212, piston plate; 213, transmission screw rod; 214, turntable; 215, bevel gear; 300, elastic gathering mechanism; 310, gathering rod; 311, shaft rod; 312, elastic member; 313, contact shell; 314, ball; 320, movable member; 321, movable block; 322, rotating rod; 330, laminating plate; 331, rotating block; 332, rotating fork. DETAILED DESCRIPTION

[0019] The following will be combined with the accompanying drawings in 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.

[0020] Infusion pump, as the name implies, is a medical device for infusion. The traditional infusion method is to suspend the liquid in the bottle or infusion bag at a high place, and use gravity to make the liquid flow into the vein through the infusion tube. The flow rate is manually adjusted by the clip on the tube. The adjustment index is the dripping speed in the dropper. Please refer to Figure 1-Figure 8 As shown, this embodiment provides a directional infusion set that is easy to replace, comprising at least: A connecting frame 100, wherein the inner cavity of the connecting frame 100 is provided with a liquid cavity 110 and a placement cavity 130, wherein the placement cavity 130 is located above the liquid cavity 110, a through groove 111 is provided at the bottom of the liquid cavity 110, and a liquid infusion tube 120 is fixedly connected to the bottom of the through groove 111; The airbag ring 200 is fixedly installed between the placement cavity 130 and the liquid cavity 110, and the outer wall of the airbag ring 200 is connected to an inflation drive assembly 210 for inflating and clamping the liquid outlet of the infusion bottle; The elastic gathering mechanism 300 is rotatably arranged at the edge of the connecting frame 100. When the elastic gathering mechanism 300 is rotated inward, it is used to clamp the body of the infusion bottle in the placement cavity 130. When the elastic gathering mechanism 300 is rotated outward, it is used to squeeze and limit the inflation and deflation operations of the inflation drive assembly 210.

[0021] like Figure 1-Figure 2As shown, the present invention takes into account that when the current infusion device is used, the needle tube on the infusion device is inserted into the end of the infusion bag for communication, so that the medicine can be injected into the blood vessel through the needle vein along the infusion tube 120. However, inserting the infusion bag through the needle tube not only easily causes the debris at the end of the infusion bag to contact the medicine as the needle tube goes deeper, affecting the quality of the medicine, therefore, the lower end of the infusion bottle is inserted into the liquid cavity 110, the infusion bottle and the liquid cavity 110 are in a connected state, so that the airbag ring 200 completes the inflation operation through the inflation drive assembly 210, clamps the outer wall of the infusion bottle, and the liquid outlet of the infusion bottle contacts the infusion tube 120, and the medicine is injected into the human body from the infusion bottle along the through groove 111 and the infusion tube 120, avoiding the plug extending into the interior of the infusion bottle to contaminate the medicine (as for the liquid cavity 110, when the infusion bottle is not installed, the elastic force of the airbag ring 200 can also be used to make the top of the liquid cavity 110 closed, avoiding the possibility of external environment contaminating the inside of the liquid cavity 110); Moreover, when facing a larger infusion bottle, the elastic gathering mechanism 300 gathers inwards to clamp and fix the outer wall of the infusion bottle again, so as to prevent the infusion bottle from tipping over and shaking, improve the stability of the installation, and ensure the stability of the connection between the inside of the infusion bottle and the liquid cavity 110; When facing a smaller infusion bottle, the inflation drive assembly 210 inflates the inside of the airbag ring 200 to improve the clamping effect of the infusion bottle, and the elastic gathering mechanism 300 rotates outward to open, so that the elastic gathering mechanism 300 limits the inflation drive assembly 210 from being deflated by the rebound force generated by the squeezing of the airbag ring 200, thereby improving the fixing strength; At the same time, the fixing effect of the needle tube and the infusion bag is limited. If the patient or the patient's family members accidentally pull the infusion tube 120, the needle tube may easily fall off from the end of the infusion bag. In addition, when the infusion bag and the infusion set are separated for replacement, the infusion set and the infusion bag need to be pulled hard. If the infusion tube 120 of the infusion set is pulled, it may easily cause deformation and damage, affecting subsequent use. Therefore, the gas in the airbag ring 200 is drawn out through the inflation drive assembly 210 to increase the space size inside the airbag ring 200, which is convenient for installing and removing the infusion bottle. At the same time, the elastic gathering mechanism 300 can be rotated to keep it away from the outer wall of the infusion bottle, making it convenient to take and place the infusion bottle.

[0022] On the basis of the above, the specific structure needs to be disclosed in detail: First, when the medicine in the infusion bottle is poured into the liquid cavity 110, it is necessary to ensure that the medicine in the liquid cavity 110 can quickly flow into the infusion tube 120 through the through groove 111. Figure 3As shown, the liquid cavity 110 has a conical shell structure, the liquid cavity 110 is used to accommodate the liquid outlet of the infusion bottle, and the inner diameter of the liquid cavity 110 decreases from top to bottom and is connected to the through groove 111. By inserting the liquid outlet of the infusion device into the liquid cavity 110, the medicine can be poured into the liquid cavity 110, and the medicine enters the infusion tube 120 along the through groove 111 to realize intravenous infusion (as for the principle of intravenous infusion, a return air pipe is set at the end of the infusion tube 120 near the needle, which is easy to think of by people in this technical field and has nothing to do with the technical problem mainly solved by the present invention).

[0023] Then, the inflation drive assembly 210 can control the airbag ring 200 to inflate and deflate. When inflating, the infusion bottle inside the airbag ring 200 can be elastically clamped and fixed. When deflated, the inside of the airbag ring 200 is opened to facilitate the removal of the infusion bottle. Figure 4 As shown, the specific structure of the inflation drive component 210 is further disclosed, so that the inflation drive component 210 at least includes a through shell 211 fixed on the outer wall of the connecting frame 100, the interior of the through shell 211 is connected to the airbag ring 200 through a pipeline, and a piston plate 212 is slidably provided inside the through shell 211, and the outer wall of the piston plate 212 is sealed and adapted to slide with the interior of the through shell 211. The piston plate 212 slides toward the inside of the through shell 211, and the air inside the through shell 211 enters the inside of the airbag ring 200 through the pipeline, so that the airbag ring 200 expands and clamps the infusion bottle. Conversely, when the piston plate 212 slides toward the outside of the through shell 211, the air inside the airbag ring 200 is sucked into the inside of the through shell 211, so that the inside of the airbag ring 200 is exposed, which is convenient for installing or removing the infusion bottle.

[0024] Since the piston plate 212 is located inside the shell 211, it is inconvenient to control the movement of the piston plate 212. Therefore, a slide groove 2110 is opened on the inner wall of the shell 211, and a transmission screw 213 is rotatably provided inside the slide groove 2110. The outer wall of the transmission screw 213 is threadedly connected with the edge of the piston plate 212. A turntable 214 is rotatably provided on the outer wall of the shell 211. The end of the turntable 214 extends into the slide groove 2110, and two vertically meshing bevel gears 215 are provided between the turntable 214 and the end of the transmission screw 213. By rotating the turntable 214, the two vertically meshing bevel gears 215 are rotated, driving the transmission screw 213 to rotate inside the slide groove 2110, so that the edge of the piston plate 212 slides along the thread of the outer wall of the transmission screw 213, thereby improving portability.

[0025] Further, to realize that the elastic gathering mechanism 300 can gather inward to clamp and fix the outer wall of the infusion bottle, please refer to Figure 5-Figure 6As shown, the structure of the elastic gathering mechanism 300 is further disclosed, so that the elastic gathering mechanism 300 at least includes a plurality of movable parts 320 arranged at the top edge of the connecting frame 100, the top of the movable part 320 is fixedly connected to a movable block 321, and the outer wall of the movable block 321 is movably connected to a gathering rod 310, and the gathering rod 310 is adapted to the outer wall of the infusion bottle for clamping by rotating along the movable block 321.

[0026] Specifically, an axis rod 311 is fixedly connected in the groove at the bottom of the gathering rod 310, and the axis rod 311 movably passes through the movable block 321, and an elastic member 312 is fixedly connected between the end of the axis rod 311 and the outer wall of the movable block 321, and the elastic member 312 is used to generate a rebound force to gather the gathering rods 310 inward. After the gathering rods 310 are opened, the infusion bottle is placed between multiple gathering rods 310, and the elastic member 312 contracts to generate a rebound force, which drives the gathering rods 310 to fit the outer wall of the infusion bottle, thereby clamping and fixing the infusion bottle.

[0027] Next, when the infusion bottle needs to be placed between the multiple gathering rods 310, it is inconvenient to open the gathering rods 310, and in order to achieve the movement of the gathering rods 310 that can be opened outward to contact the limiting piston plate 212, therefore, Figure 6 As shown, the bottom of the movable part 320 is fixedly connected to a rotating rod 322, and the bottom of the rotating rod 322 is rotatably connected to the top edge of the connecting frame 100. The rotating rod 322 rotates to drive the movable part 320 and the gathering rod 310 to rotate outward. Under the elastic force of the elastic member 312, the gathering rod 310 rotates downward until it fits the turntable 214 on the outer wall of the shell 211. Under the rebound force of the elastic member 312, the friction resistance with the turntable 214 is increased to limit the rotation of the turntable 214 and prevent the piston plate 212 from moving at will. At the same time, multiple gathering rods 310 rotate outward, so that the placement cavity 130 can be completely exposed, which is convenient for installing the infusion bottle.

[0028] When the gathering rod 310 contacts the infusion bottle for clamping and fixing, the contact area between the gathering rod 310 and the infusion bottle is small, resulting in poor clamping stability. Figure 5 As shown, a rotating fork 332 is provided on the inner surface of the gathering rod 310, and a rotating block 331 is rotatably provided inside the rotating fork 332. The outer wall of the rotating block 331 is fixedly connected with a bonding plate 330. The inner wall of the bonding plate 330 is an arc-shaped structure, so that the bonding plate 330 and the arc-shaped outer wall of the infusion bottle are matched, so that the end of the gathering rod 310 is attached to the infusion bottle for clamping, and the bonding plate 330 can also limit and fix the infusion bottle, thereby improving the fixing effect; Furthermore, when the gathering rod 310 rotates outward, the bonding plate 330 is driven to rotate outward, and the rotating block 331 rotates inside the rotating fork 332, so that the bonding plate 330 forms an arc support shape, which facilitates the placement of the connecting frame 100 on the desktop more stably, improves the subsequent placement effect, and avoids contamination caused by rolling.

[0029] In addition, when the infusion bottle is slid out or in between the ends of the gathering rod 310, the gathering rod 310 has a large friction resistance against the outer wall of the infusion bottle, which may easily cause damage to the gathering rod 310 for a long time. Figure 8 As shown, a contact shell 313 is provided at the upper end of the gathering rod 310, and a ball 314 is movably connected inside the contact shell 313. The ball 314 is used to roll and fit the outer wall of the infusion bottle, so that when the infusion bottle is inserted into the gathering rod 310, the ball 314 rolls along the outer wall of the infusion bottle, thereby avoiding wear between the gathering rod 310 and the infusion bottle.

[0030] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A directional infusion set that is easy to replace, characterized in that: At least: A connecting frame (100), wherein the inner cavity of the connecting frame (100) is provided with a liquid cavity (110) and a placement cavity (130), the placement cavity (130) is located above the liquid cavity (110), a through groove (111) is formed at the bottom of the liquid cavity (110), and a liquid infusion tube (120) is fixedly connected to the bottom of the through groove (111); An airbag ring (200), the airbag ring (200) being fixedly mounted between the placement cavity (130) and the liquid cavity (110), and the outer wall of the airbag ring (200) being in communication with an inflation drive assembly (210) for inflating and clamping the liquid outlet of the infusion bottle; An elastic gathering mechanism (300) is rotatably arranged at the edge of the connecting frame (100); when the elastic gathering mechanism (300) is rotated inward, it is used to clamp the body of the infusion bottle in the placement cavity (130); when the elastic gathering mechanism (300) is rotated outward, it is used to squeeze and limit the inflation and deflation operations of the inflation drive assembly (210).

2. The directional infusion set that is easy to replace according to claim 1, characterized in that: The liquid cavity (110) is a conical shell structure, the interior of the liquid cavity (110) is used to accommodate the liquid outlet of the infusion bottle, and the inner diameter of the liquid cavity (110) decreases from top to bottom and is connected to the through groove (111).

3. The directional infusion set that is easy to replace according to claim 2, characterized in that: The inflation drive assembly (210) comprises at least a through shell (211) fixed to the outer wall of the connecting frame (100); the interior of the through shell (211) is connected to the airbag ring (200) via a pipeline; a piston plate (212) is slidably provided inside the through shell (211); the outer wall of the piston plate (212) is sealingly adapted to slide with the interior of the through shell (211).

4. The directional infusion set that is easy to replace according to claim 3, characterized in that: The inner wall of the through shell (211) is provided with a slide groove (2110), a transmission screw (213) is rotatably arranged inside the slide groove (2110), the outer wall of the transmission screw (213) is threadedly connected to the edge of the piston plate (212), a rotating disk (214) is rotatably arranged on the outer wall of the through shell (211), the end of the rotating disk (214) extends into the interior of the slide groove (2110), and two vertically meshing bevel gears (215) are arranged between the rotating disk (214) and the end of the transmission screw (213).

5. The directional infusion set that is easy to replace according to claim 1, characterized in that: The elastic gathering mechanism (300) comprises at least a plurality of movable parts (320) arranged at the top edge of the connecting frame (100), the top of the movable part (320) being fixedly connected to a movable block (321), and the outer wall of the movable block (321) being movably connected to a gathering rod (310).

6. The directional infusion set that is easy to replace according to claim 5, characterized in that: A shaft rod (311) is fixedly connected in the slot at the bottom of the gathering rod (310), the shaft rod (311) movably passes through the movable block (321), and an elastic member (312) is fixedly connected between the end of the shaft rod (311) and the outer wall of the movable block (321), the elastic member (312) being used to generate a rebound force to make the gathering rod (310) gather inward.

7. The directional infusion set that is easy to replace according to claim 6, characterized in that: The bottom of the movable member (320) is fixedly connected to a rotating rod (322), and the bottom of the rotating rod (322) is rotatably connected to the top edge of the connecting frame (100).

8. The directional infusion set that is easy to replace according to claim 5, characterized in that: The inner surface of the gathering rod (310) is provided with a rotating fork (332), a rotating block (331) is rotatably arranged inside the rotating fork (332), an outer wall of the rotating block (331) is fixedly connected to a bonding plate (330), and the inner wall of the bonding plate (330) is in an arc-shaped structure.

9. The directional infusion set that is easy to replace according to claim 5, characterized in that: A contact shell (313) is provided at the upper end of the gathering rod (310), and a ball (314) is movably connected inside the contact shell (313), and the ball (314) is used to roll and fit the outer wall of the infusion bottle.

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