CN214970086U

CN214970086U - Exhaust-free infusion device

Info

Publication number: CN214970086U
Application number: CN202022293725.8U
Authority: CN
Inventors: 龚志元; 陈欣
Original assignee: Taoyuan Peoples Hospital
Current assignee: Taoyuan Peoples Hospital
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-12-03
Anticipated expiration: 2030-10-14

Abstract

The utility model provides an exempt from infusion set of exhausting, including the burette device, the burette device includes the burette shell, be equipped with the floater in the burette shell, the floater bottom is equipped with blocks up the subassembly, it includes the toper stopper to block up the subassembly, the toper stopper is fixed in the floater bottom, toper stopper bottom runs through burette shell bottom and extends to the outside, the lower extreme all is equipped with the transfer line on the burette shell, be equipped with infusion bottle syringe needle device on the burette shell, infusion bottle syringe needle device includes the bobbiner head, bobbiner head outer wall is equipped with the rubber pad, bobbiner head bottom is equipped with fixing device, fixing device includes the connecting pipe, connecting pipe inner wall contact bobbiner head outer wall, the connecting pipe outer wall is equipped with the locking piece, connecting pipe inner wall connection transfer line, the connecting pipe lateral wall is equipped with the current-limiting subassembly. The utility model is an infusion device which can prevent the liquid level from dropping into the infusion tube at the lower end of the dropper, avoid exhaust, facilitate the replacement of the needle head and limit the flow.

Description

Exhaust-free infusion device

Technical Field

The utility model mainly relates to the technical field of medical equipment, in particular to an exhaust-free infusion device.

Background

The infusion device is used for infusing sterile liquid, medicine and the like into a body from veins.

According to the patent document with the application number of CN201721330330.2, the intelligent transfusion device capable of automatically alarming comprises a transfusion bottle, a transfusion tube and a needle head, wherein a pressure sensing signal radiation device is arranged in the transfusion tube, one end of the transfusion tube is connected with a transfusion bottle filled with liquid medicine, the other end is connected with the vein of the patient through a transfusion needle, the pressure sensing signal radiation device and the indoor alarm can perform wireless signal one-way transmission, when no liquid medicine pressure exists, the pressure sensing signal emitting device can transmit a signal to an indoor alarm to inform a nurse station, comprises a pressure sensing chip and a wireless signal emitting module, the wireless signal transmitting module is arranged below the chip, the chip is arranged on the upper surface of the annular support on the upper side of the inner column core of the drip cup, an interlayer is arranged on the upper surface of the annular support to prevent the annular support from being in direct contact with liquid medicine, and the product can monitor the infusion flow and can automatically alarm.

The infusion device in the patent can monitor the infusion flow and can automatically alarm, but still has the problems that the medicine is not changed in time, and air enters the infusion tube to influence the subsequent infusion, so that the infusion device which can prevent the liquid level from falling into the infusion tube at the lower end of the dropper, avoid exhaust, facilitate the replacement of the needle head and limit the flow is needed to be designed.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides an exhaust-free infusion device, which is used for solving the technical problem in the prior art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

the utility model provides an exempt from infusion set of exhausting, includes the burette device, the burette device includes the burette shell, be equipped with the floater in the burette shell, the floater bottom is equipped with blocks up the subassembly, it includes the toper stopper to block up the subassembly, the toper stopper is fixed in the floater bottom, toper stopper bottom runs through burette shell bottom and extends to the outside, the lower extreme all is equipped with the transfer line on the burette shell, be equipped with infusion bottle syringe needle device on the burette shell, infusion bottle syringe needle device includes the coarse needle head, the coarse needle head outer wall is equipped with the rubber pad, coarse needle head bottom is equipped with fixing device, fixing device includes the connecting pipe, the contact coarse needle head outer wall of connecting pipe inner wall, the connecting pipe outer wall is equipped with the locking piece, connecting pipe inner wall connection transfer line, the connecting pipe lateral wall is equipped with current-limiting assembly.

Preferably, the bottom of the dropper shell is provided with a boss, the bottom of the boss is provided with a through hole, the outer wall of the boss is sleeved with a sleeve, and the inner wall of the sleeve is connected with a transfusion tube. In the preferred embodiment, the boss is convenient to contact with the clamping table for sealing liquid, and the sleeve is convenient to slide the conical plug up and down.

Preferably, the bottom of the floating ball is provided with a clamping table, the bottom of the clamping table is connected with a conical plug, the outer wall of the clamping table is sleeved with a rubber ring, and the side wall of the clamping table is in matched contact with the inner wall of the boss. In the preferred embodiment, the liquid sealing is realized by the clamping table and the rubber ring.

Preferably, the side wall of the conical plug is provided with a groove, the bottom of the conical plug is provided with a limiting rod, and the length of the limiting rod is greater than the diameter of the through hole. In the preferred embodiment, the floating ball is convenient to limit through the limiting rod.

Preferably, the radius of the cross section of the conical plug is gradually reduced from top to bottom, the position with the smallest cross section area of the conical plug is connected to the middle of the limiting rod, and the diameter of the position with the largest cross section area of the conical plug is smaller than that of the through hole. In the preferred embodiment, the tapered plug facilitates accurate positioning and movement of the chuck to the inner wall of the boss.

Preferably, one end of the connecting pipe is provided with a plurality of elastic pieces, and the inner walls of the elastic pieces are in contact with the outer wall of the bottom of the thick needle head. In the preferred embodiment, the holding of the large needle is facilitated by an elastic tab.

Preferably, the bottom of the locking piece is in threaded connection with the outer wall of the connecting pipe, the inner wall of the locking piece is an inclined plane, and the inclined plane of the inner wall of the locking piece is in contact with the elastic sheet. In the preferred embodiment, the locking function is realized by the cooperation of the elastic sheet and the inclined surface of the inner wall of the locking block.

Preferably, the flow limiting assembly comprises a flow limiting rod, the flow limiting rod is in threaded connection with the outer wall of the connecting pipe, and one end of the flow limiting rod extends into the connecting pipe to contact with the infusion pipe. In the preferred embodiment, the control of the flow rate of the infusion tube is facilitated by a restrictor rod.

Preferably, one end of the flow limiting rod is provided with a spongy cushion, and the spongy cushion is in contact with the infusion tube. In the preferred embodiment, the infusion tube is protected by a foam-rubber cushion.

Compared with the prior art, the beneficial effects of the utility model are that:

this utility model discloses a burette device prevents effectively that the air from getting into in the burette device lower extreme transfusion tube, be convenient for seal liquid with the contact of ka tai through the boss in the burette device, slide from top to bottom through the toper stopper of sleeve pipe being convenient for, realize sealing liquid through ka tai and rubber circle, be convenient for carry on spacingly to the floater through spacing stick, be convenient for ka platform accurate positioning through the toper stopper and remove to the boss inner wall, the change of the bobbiner head of being convenient for through fixing device, cross the elastic sheet and be convenient for lock installation bobbiner head with lock piece inner wall inclined plane cooperation in the fixing device, be convenient for control the flow of transfer line through the current-limiting rod, play the guard action to the transfer line through the foam-rubber cushion.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

FIG. 1 is an axial view of the overall structure of the present invention;

FIG. 2 is a side view of the dropper apparatus of the present invention;

FIG. 3 is a side view of the structure of the current limiting assembly of the present invention;

FIG. 4 is a side view of the overall structure of the present invention;

FIG. 5 is an enlarged view of the structure at the position A of the present invention;

fig. 6 is an enlarged view of the structure at B of the present invention.

In the figure: 1. a dropper device; 11. a burette housing; 111. a boss; 112. a through hole; 113. a sleeve; 12. a floating ball; 121. clamping a platform; 122. a rubber ring; 13. a plugging component; 131. a conical plug; 1311. a groove; 1312. a limiting rod; 14. a transfusion tube; 2. an infusion bottle needle device; 21. a coarse needle head; 22. a rubber pad; 3. a fixing device; 31. a connecting pipe; 311. an elastic sheet; 32. a locking block; 33. a current limiting assembly; 331. a flow-restricting lever; 332. a spongy cushion.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1, 2, 4, and 5, in which the non-venting transfusion device includes a dropper device 1, the dropper device 1 includes a dropper housing 11, a floating ball 12 is disposed in the dropper housing 11, a blocking assembly 13 is disposed at the bottom of the floating ball 12, the blocking assembly 13 includes a conical plug 131, the conical plug 131 is fixed at the bottom of the floating ball 12, the bottom of the conical plug 131 penetrates through the bottom of the dropper housing 11 and extends to the outside, a boss 111 is disposed at the bottom of the dropper housing 11, a through hole 112 is disposed at the bottom of the boss 111, a sleeve 113 is sleeved on the outer wall of the boss 111, an inner wall of the sleeve 113 is connected to a transfusion tube 14, a clamping table 121 is disposed at the bottom of the floating ball 12, the bottom of the clamping table 121 is connected to the conical plug 131, an outer wall of the clamping table 121 is sleeved to a rubber ring 122, a side wall of the clamping table 121 is in fit contact with an inner wall of the boss 111, and a groove 1311 is disposed on a side wall of the conical plug 131, the bottom of the conical plug 131 is provided with a limiting rod 1312, the length of the limiting rod 1312 is greater than the diameter of the through hole 112, the radius of the cross section of the conical plug 131 is gradually reduced from top to bottom, the minimum cross section area of the conical plug 131 is connected with the middle of the limiting rod 1312, and the maximum cross section diameter of the conical plug 131 is smaller than the diameter of the through hole 112. During normal dropping, the floating ball 12 automatically floats under the action of buoyancy, the floating ball 12 drives the conical plug 131 to float, liquid flows out through the through hole 112 and then enters the lower end infusion tube 14, when the liquid level descends, the conical plug 131 automatically slides downwards, the clamping table 121 is matched with the inner wall of the boss 111 to realize liquid sealing, and gas is prevented from entering the lower end infusion tube 14 of the dropper device 1.

Please refer to fig. 3, 4 and 6, the upper and lower ends of the dropper housing 11 are provided with infusion tubes 14, the dropper housing 11 is provided with an infusion bottle needle device 2, the infusion bottle needle device 2 includes a thick needle 21, the outer wall of the thick needle 21 is provided with a rubber pad 22, the bottom of the thick needle 21 is provided with a fixing device 3, the fixing device 3 includes a connecting tube 31, the inner wall of the connecting tube 31 contacts the outer wall of the thick needle 21, the outer wall of the connecting tube 31 is provided with a locking block 32, one end of the connecting tube 31 is provided with a plurality of elastic pieces 311, the inner wall of each elastic piece 311 contacts the outer wall of the bottom of the thick needle 21, the bottom of the locking block 32 is in threaded connection with the outer wall of the connecting tube 31, the inner wall of the locking block 32 is an inclined surface, and the inclined surface of the inner wall of the locking block 32 contacts the elastic pieces 311. The bottom of the thick needle head 21 is placed in the connecting pipe 31, the locking block 32 is rotated, the inclined plane of the inner wall of the locking block 32 compresses the elastic sheet 311, the inner wall of the elastic sheet 311 locks the thick needle head 21, and the installation of the thick needle head 21 is completed.

Please refer to fig. 1, 3 and 4 again, the inner wall of the connecting tube 31 is connected to the infusion tube 14, the side wall of the connecting tube 31 is provided with a flow limiting component 33, the flow limiting component 33 includes a flow limiting rod 331, the flow limiting rod 331 is connected to the outer wall of the connecting tube 31 by a screw thread, one end of the flow limiting rod 331 extends into the connecting tube 31 to contact the infusion tube 14, one end of the flow limiting rod 331 is provided with a sponge pad 332, and the sponge pad 332 contacts the infusion tube 14. The flow-limiting rod 331 is rotated, and the flow-limiting rod 331 drives the sponge pad 332 to press the infusion tube 14 for flow limitation.

The utility model discloses a concrete operation as follows:

the bottom of the thick needle 21 is arranged in the connecting pipe 31, the locking block 32 is rotated, the elastic sheet 311 is tightly pressed on the inclined plane of the inner wall of the locking block 32, the thick needle 21 is locked on the inner wall of the elastic sheet 311, the installation of the thick needle 21 is completed, the thick needle 21 is inserted into an infusion bottle, the current limiting rod 331 is rotated, the current limiting rod 331 drives the spongy cushion 332 to tightly press the infusion pipe 14 for current limiting or current limitation cancellation, liquid enters the dropper device 1 through the infusion pipe 14, during normal dropping, the floating ball 12 automatically floats under the action of buoyancy, the floating ball 12 drives the conical plug 131 to float, the liquid enters the lower end infusion pipe 14 after flowing out through the through hole 112, when the liquid level descends, the conical plug 131 automatically slides downwards, the clamping table 121 is matched with the inner wall of the boss 111, liquid sealing is realized, and gas is prevented from entering the infusion pipe 14 at the lower end of the dropper device 1.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims

1. An exhaust-free infusion device comprises a dropper device (1) and is characterized in that the dropper device (1) comprises a dropper shell (11), a floating ball (12) is arranged in the dropper shell (11), a blocking assembly (13) is arranged at the bottom of the floating ball (12), the blocking assembly (13) comprises a conical plug (131), the conical plug (131) is fixed at the bottom of the floating ball (12), the bottom of the conical plug (131) penetrates through the bottom of the dropper shell (11) and extends to the outside, infusion tubes (14) are arranged at the upper end and the lower end of the dropper shell (11), an infusion bottle needle device (2) is arranged on the dropper shell (11), the infusion bottle needle device (2) comprises a thick needle (21), a rubber pad (22) is arranged on the outer wall of the thick needle (21), a fixing device (3) is arranged at the bottom of the thick needle (21), the fixing device (3) comprises a connecting tube (31), the inner wall of the connecting pipe (31) is in contact with the outer wall of the thick needle head (21), the outer wall of the connecting pipe (31) is provided with a locking block (32), the inner wall of the connecting pipe (31) is connected with the infusion pipe (14), and the side wall of the connecting pipe (31) is provided with a current limiting component (33).

2. The non-venting infusion device as claimed in claim 1, wherein a boss (111) is disposed at the bottom of the dropper housing (11), a through hole (112) is disposed at the bottom of the boss (111), a sleeve (113) is sleeved on the outer wall of the boss (111), and an infusion tube (14) is connected to the inner wall of the sleeve (113).

3. The non-venting infusion device as claimed in claim 2, wherein a clamping table (121) is arranged at the bottom of the floating ball (12), a tapered plug (131) is connected to the bottom of the clamping table (121), a rubber ring (122) is sleeved on the outer wall of the clamping table (121), and the side wall of the clamping table (121) is in fit contact with the inner wall of the boss (111).

4. The non-venting infusion device as claimed in claim 2, wherein the side wall of the conical plug (131) is provided with a groove (1311), the bottom of the conical plug (131) is provided with a stopper rod (1312), and the length of the stopper rod (1312) is greater than the diameter of the through hole (112).

5. The non-venting infusion device as claimed in claim 4, wherein the tapered plug (131) has a cross-sectional radius gradually decreasing from top to bottom, the smallest cross-sectional area of the tapered plug (131) is connected to the middle of the stopper rod (1312), and the largest cross-sectional diameter of the tapered plug (131) is smaller than the diameter of the through hole (112).

6. The non-venting infusion device as claimed in claim 1, wherein the connecting tube (31) has a plurality of resilient tabs (311) at one end, and the inner wall of the resilient tabs (311) contacts the outer wall of the bottom of the spike (21).

7. The non-venting infusion device as claimed in claim 6, wherein the bottom of the lock block (32) is screwed to the outer wall of the connection tube (31), the inner wall of the lock block (32) is a slope, and the slope of the inner wall of the lock block (32) contacts the elastic piece (311).

8. The non-venting infusion device as recited in claim 1, wherein the flow restricting assembly (33) includes a flow restricting rod (331), the flow restricting rod (331) is threaded to an outer wall of the connection tube (31), and one end of the flow restricting rod (331) extends into the connection tube (31) to contact the infusion tube (14).

9. The non-venting infusion device of claim 8, wherein a foam pad (332) is disposed at one end of the restrictor rod (331), the foam pad (332) contacting the infusion tube (14).