CN112755318A - Clamping device for preventing transfusion device from slipping from transfusion bottle - Google Patents
Clamping device for preventing transfusion device from slipping from transfusion bottle Download PDFInfo
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- CN112755318A CN112755318A CN202110101557.4A CN202110101557A CN112755318A CN 112755318 A CN112755318 A CN 112755318A CN 202110101557 A CN202110101557 A CN 202110101557A CN 112755318 A CN112755318 A CN 112755318A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/16—Holders for containers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/162—Needle sets, i.e. connections by puncture between reservoir and tube ; Connections between reservoir and tube
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Vascular Medicine (AREA)
- Pharmacology & Pharmacy (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
The invention provides a clamping device for preventing an infusion apparatus from slipping from an infusion bottle, which comprises an infusion tube fixing structure and an infusion bottle fixing structure; the infusion tube fixing structure comprises a first base, an inner clamping ring, an outer clamping ring, at least two first connecting rods and at least two clamping rods; the first base is in an annular structure; the inner clamping ring is vertically arranged on the first base, and a thread structure is arranged on the outer ring surface of the inner clamping ring; the outer snap ring is in threaded connection with the inner snap ring through a threaded structure on the outer ring of the inner snap ring; the at least two first connecting rods are arranged on the outer annular surface of the first base at intervals, one end of each first connecting rod is fixedly connected with the first base, the other end of each first connecting rod is fixedly connected with a clamping rod, one end of each clamping rod, which is far away from the first connecting rod, is provided with a pier head, and the size of the end surface of each pier head, which faces the first connecting rods, is larger than the size of the cross section of the rod body of each clamping rod; the infusion bottle fixing structure comprises a second base, a rotating ring, a second connecting rod and a locking ring. The invention can prevent the bottle stopper puncture outfit of the infusion tube from loosening from the infusion bottle and improve the infusion safety.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to a clamping device for preventing an infusion apparatus from slipping from an infusion bottle.
Background
In the infusion process, the length of the infusion tube cannot be completely proper, a section of pipeline can be generally grown, if a patient or other personnel such as family members accidentally scrape the infusion tube, the bottle stopper puncture device at the top of the infusion tube is often separated from the infusion bottle, the pollution of the infusion device and even the pollution of medicines can be caused, the treatment can be continued only by replacing the infusion device and the liquid medicine again, the infection of the patient can be caused even more, great potential safety hazards are brought to clinics, and meanwhile, the workload of nursing staff is increased.
In order to avoid the transfusion tube slipping from the transfusion bottle, an anti-slipping device is arranged on the transfusion frame, if the Chinese utility model patent with the publication number of CN207024347U is granted, the anti-slipping device for the transfusion tube comprises a transfusion bottle, a transfusion needle and a supporting frame, the upper part of the supporting frame is provided with a hook, the transfusion bottle is hung on the hook, the bottle mouth of the transfusion bottle is provided with a bottle plug, the transfusion needle is inserted into the transfusion bottle, the lower part of the transfusion needle is provided with a blocking piece outside the bottle plug, the supporting frame of the bottle mouth part of the transfusion bottle is hinged with a clamping device through a hinge, the clamping device comprises a buckle at the bottle neck at the upper part of the bottle plug, the inner diameter of the buckle is smaller than the outer diameter of the bottle plug, the clamping device also comprises a clamping alarm device for clamping the transfusion tube at the lower, the limiting buffer block is arranged below the blocking piece, open-ended fixing grooves are formed in the limiting buffer block and the lower supporting plate, and a compression sounding air bag is arranged between the limiting buffer block and the lower supporting plate. Although the device can prevent the accidental dropping of the infusion tube, the dropping-proof device is arranged on the support frame, and medical staff need to adjust the rear part of the support frame to disassemble and replace the infusion bottle, so that the infusion bottle is inconvenient.
Furthermore, the chinese utility model patent with the publication number CN209108278U provides a fastening device for preventing the transfusion device from slipping off the bottle mouth of the transfusion container, which comprises a bottle stopper puncture outfit, wherein a connecting seat is fixedly arranged on the bottle stopper puncture outfit, and at least two hooks are circumferentially and uniformly arranged on the upper side surface of the connecting seat; the buckle device also comprises a hoop, the hoop is used for hooping and fixing the infusion container on a bottle mouth, the hoop is provided with a fracture, and two ends of the hoop, which are close to the fracture, are respectively arranged as a first end and a second end; the inner surface of the first end is provided with a plurality of clamping grooves which are distributed at equal intervals, the outer surface of the second end is provided with at least one convex rib, and when the first end and the second end of the hoop are butted, the convex ribs and the clamping grooves are matched with each other, so that the first end and the second end of the hoop are tightly connected and hooped and fixed on the bottle mouth of the infusion container; the outer wall of the hoop is provided with at least two buckles which are uniformly distributed in the circumferential direction, and the buckles and the hooks are in one-to-one correspondence and can be mutually buckled. The device separates anticreep device and support frame, this has improved the convenience that medical personnel changed the infusion bottle to a certain extent, however, this anticreep device is the improvement based on the bottle plug puncture ware of transfusion system goes on, it is not suitable for to current transfusion system, moreover, this anticreep device utilizes the hoop form of embracing to fix the infusion bottle bottleneck, the connected mode on first end and the second end is held to its hoop, be not convenient for dismantle, the convenience remains to improve, and after repetitious usage many times, it is high to produce the possibility of warping, repetitious usage's effect is unsatisfactory promptly.
Disclosure of Invention
In view of the above, there is a need for a locking device for preventing the infusion apparatus from slipping off from the infusion bottle, which can prevent the bottle stopper puncture device of the infusion tube from loosening from the infusion bottle, improve the infusion safety, facilitate the operation of the medical care personnel, and provide good convenience.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a clamping device for preventing an infusion apparatus from slipping from an infusion bottle comprises an infusion tube fixing structure and an infusion bottle fixing structure;
the infusion tube fixing structure comprises a first base, an inner clamping ring, an outer clamping ring, at least two first connecting rods and at least two clamping rods; the first base is of an annular structure and is provided with a first base notch for breaking the annular structure of the first base, and the size of the first base notch is smaller than the pipe diameter of the infusion pipe; the inner snap ring is vertically arranged on the first base, the ring surface of the inner snap ring is fixedly connected with the top surface of the first base, the ring center is superposed with the ring center of the first base, the inner snap ring is provided with an inner snap ring notch for breaking the ring-shaped structure of the inner snap ring, the inner snap ring notch is opposite to and communicated with the first base notch, the size of the inner snap ring notch is smaller than the pipe diameter of the infusion pipe, the diameter of the inner snap ring is not larger than that of the inner ring of the first base but slightly larger than the outer diameter of one end of a joint for connecting the bottle stopper puncture outfit and the infusion pipe, the diameter of the outer ring of the inner snap ring at the position of the infusion pipe is smaller than the outer diameter of a convex edge at the position of the joint for connecting the bottle stopper puncture outfit and; the outer snap ring is sleeved outside the inner snap ring and is in threaded connection with the inner snap ring through a threaded structure on the outer ring of the inner snap ring, the outer snap ring is provided with an outer snap ring notch for breaking the annular structure of the outer snap ring, the size of the outer snap ring notch is smaller than the pipe diameter of the infusion pipe, and the outer snap ring notch is opposite to and communicated with the inner snap ring notch or is staggered with the inner snap ring notch through the relative rotation of the outer snap ring and the inner snap ring; the clamping device comprises a first base, at least two first connecting rods, a clamping rod, a first clamping ring, a first clamping rod, a second clamping ring, a first clamping rod and a second clamping rod, wherein the first base is fixedly connected to one end of each first connecting rod in the length direction, the other end of each first connecting rod is fixedly connected with the other end of each first connecting rod, the distances between the clamping rods and the centers of the inner clamping rings are the same, all the clamping rods are arranged along the length direction of the inner clamping rings and are located on the same side of the first base as the inner clamping rings, one end, away from the first connecting rods, of each clamping rod is provided with a pier head;
the infusion bottle fixing structure comprises a second base, a rotating ring, a second connecting rod and a locking ring; the second base is of an annular structure and is provided with a second base notch for breaking the annular structure of the second base, the size of the second base notch is slightly larger than the size of the bottleneck of the infusion bottle, the annular radian of the cross section of the second base is larger than 180 degrees, the diameter of an inner ring of the second base is larger than the size of the bottleneck of the infusion bottle but smaller than the outer diameter of a convex edge at the bottleneck of the infusion bottle, and a thread structure is arranged on the annular surface of an outer ring of the second base; the rotating ring is sleeved outside the second base and is in threaded connection with the second base through a threaded structure on the outer ring of the second base, the rotating ring is provided with a rotating ring notch for disconnecting the annular structure of the rotating ring, the size of the rotating ring notch is equal to that of the second base notch, and the rotating ring notch is opposite to and communicated with the second base notch through the rotation of the rotating ring relative to the thread of the second base or is staggered with the second base notch; the number of the second connecting rods is equal to that of the first connecting rods, all the second connecting rods are arranged on the outer ring surface of the rotating ring at intervals, each second connecting rod is matched with one first connecting rod, and is opposite to the matched first connecting rod through the rotation of the rotating ring relative to the second base, one end of each second connecting rod in the length direction is fixedly connected with the rotating ring, the other end is fixedly connected with a locking ring, the ring surface of the lock ring is arranged in parallel with the ring surface of the second base, the distances between the lock rings and the ring centers of the second base are the same, and is equal to the distance between the clamping rod and the center of the first inner snap ring, each snap ring is provided with a snap ring gap for breaking the annular structure, the size of the locking ring gap is slightly smaller than the rod diameter of the rod body of the clamping rod, the centers of all the locking ring gaps are positioned on the same circular ring surface, the ring center of the circular ring surface is overlapped with the ring center of the second base, and the adjacent two locking ring gaps are not opposite; a lock ring is matched with a clamping rod, the clamping rod can be detachably clamped into the lock ring through a lock ring notch, and the infusion bottle fixing structure can be detachably connected with the infusion tube fixing structure in a mode that the clamping rod is clamped with the lock ring.
Preferably, the sizes of the first base notch, the inner snap ring notch and the outer snap ring notch are the same, and the sizes of the notches of the first base notch, the inner snap ring notch and the outer snap ring notch are all larger than twice of the wall thickness of the infusion tube.
Preferably, the top surface of the inner snap ring is flush with the top surface of the outer snap ring when the outer snap ring rotates to the middle part of the outer snap ring and is just aligned with the inner snap ring gap.
Preferably, the top of the outer ring surface of the inner snap ring is provided with a first limiting lug, the protruding length of the first limiting lug is equal to the thickness of the outer snap ring, and the first limiting lug is positioned at the tail end of a thread line of the thread structure on the outer ring surface of the inner snap ring.
Preferably, two first connecting rods are arranged on the first base, and the two first connecting rods are positioned on the same straight line which passes through the center of the first base.
Preferably, all the clamping rods have the same length and are smaller than the distance from the puncture head of the bottle stopper puncture outfit to the convex edge at the joint.
Preferably, the top of the outer annular surface of the second base is provided with a second limit lug, the protruding length of the second limit lug is equal to the thickness of the rotating ring, and the second limit lug is positioned at the tail end of the thread line of the thread structure on the outer annular surface of the second base.
Preferably, the pier is provided with a limiting ring towards the outer edge of the end face of the first connecting rod, the center of the limiting ring coincides with the center of the locking ring, the diameter of the inner ring of the limiting ring is not smaller than that of the outer ring of the locking ring, the limiting ring is provided with a limiting ring notch for disconnecting the annular structure of the limiting ring, the size of the limiting ring notch is slightly larger than that of the joint of the second connecting rod and the locking ring, and the limiting ring notch is opposite to the joint of the second connecting rod and the locking ring when the clamping rod is clamped into the locking ring.
Preferably, the length of the restraining ring is greater than the length of the locking ring.
Preferably, all the locking rings and the second connecting rod are on the same plane.
Compared with the prior art, the invention has the following beneficial effects:
1. the clamping device for preventing the transfusion device from slipping from the transfusion bottle comprises a transfusion tube fixing structure and a transfusion bottle fixing structure, wherein the transfusion tube fixing structure is fixed on a joint for connecting a transfusion tube bottle stopper interpenetration device with the transfusion tube, the transfusion bottle fixing structure is fixed at the bottleneck of the transfusion bottle and is mutually connected with the transfusion tube fixing structure in a mode of clamping the transfusion tube fixing structure into a locking ring through a clamping ring, so that a bottle stopper puncture outfit of the transfusion tube is stably inserted on the transfusion bottle, the transfusion tube fixing structure and the transfusion bottle fixing structure cannot be separated due to the arrangement of a pier head on a clamping rod, so that the transfusion tube is not separated from the transfusion bottle, namely, the bottle stopper puncture outfit on the transfusion tube can be firmly connected with the transfusion bottle through the use of the clamping device, the falling problem of the bottle stopper puncture outfit can, reducing the workload of the nursing staff.
2. The infusion tube fixing structure and the infusion bottle fixing structure both realize the fixation of the bottle stopper puncture outfit and the infusion bottle of the infusion apparatus in a thread mode, have the advantages of convenient operation, good fixing effect, low possibility of deformation and convenient long-term repeated use.
3. The clamping device for preventing the infusion apparatus from slipping from the infusion bottle can be used on the existing infusion tube and the existing infusion bottle, the structures of the infusion tube and the infusion bottle are not required to be changed, and meanwhile, the clamping device can be used for multiple times, so that the medical cost is reduced, the burden of a patient is relieved, and medical resources are saved.
Drawings
Fig. 1 is a schematic structural view of the engaging device of the present invention in application.
Fig. 2 is a front view of the infusion tube fixing structure of the present invention.
Fig. 3 is a view from a-a in fig. 2.
FIG. 4 is a schematic view of the outer snap ring notch of FIG. 3 just facing the inner snap ring notch.
Fig. 5 is a front view of the infusion bottle fixing structure of the present invention.
Fig. 6 is a top view of fig. 5.
Fig. 7 is a schematic view of the structure of fig. 6 when the notch of the rotating block is opposite to the notch of the second base.
Description of the main elements
In the figure: the infusion tube comprises an infusion tube 1, a bottle stopper puncture outfit 2, an infusion bottle 3, an infusion tube fixing structure 4, a first base 41, a first base notch 411, an inner clamp ring 42, an inner clamp ring notch 421, a first limit bump 422, an outer clamp ring 43, an outer clamp ring notch 431, a first connecting rod 44, a clamping rod 45, a pier head 46, a limit ring 47, an infusion bottle fixing structure 5, a second base 51, a second base notch 511, a second limit bump 512, a rotating ring 52, a rotating ring notch 521, a second connecting rod 53, a locking ring 54 and a locking ring notch 541.
The following detailed description will further illustrate the invention in conjunction with the above-described figures.
Detailed Description
Referring to fig. 1 to 7, in a preferred embodiment of the present invention, a clamping device for preventing an infusion apparatus from slipping off an infusion bottle comprises an infusion tube fixing structure 4 and an infusion bottle fixing structure 5.
The infusion tube fixing structure 4 comprises a first base 41, an inner snap ring 42, an outer snap ring 43, at least two first connecting rods 44 and at least two snap rods 45. The first base 41 is of an annular structure and has a first base notch 411 for disconnecting the annular structure of the first base 41, and the size of the first base notch 411 is smaller than the tube diameter of the infusion tube 1. Interior snap ring 42 sets up perpendicularly on first base 41, the anchor ring of interior snap ring 42 links firmly the top surface of first base 41, the ring center with the coincidence of the ring center of first base 41, interior snap ring 42 has an interior snap ring breach 421 that makes its loop configuration disconnection, interior snap ring breach 421 just to and communicate first base breach 411, the size of interior snap ring breach 421 is less than the pipe diameter of transfer line 1, the inner ring diameter of interior snap ring 42 is not more than the inner ring diameter of first base 41 but slightly is greater than the external diameter of the joint one end that bottle plug puncture ware 3 and transfer line 1 are connected, and this one end does 1 end of transfer line the outer ring diameter of interior snap ring 42 is less than the external diameter that the joint department that bottle plug puncture ware 3 and transfer line 1 are connected is protruding along, be provided with helicitic texture on the outer ring anchor ring of interior snap ring 42. Outer snap ring 43 cover is established in the outside of snap ring 42, and passes through snap ring 42 in the screw thread structure threaded connection on the interior snap ring 42 outer loop, outer snap ring 43 has an outer snap ring breach 431 that makes its loop configuration disconnection, the size of outer snap ring breach 431 is less than the pipe diameter of transfer line 1, outer snap ring breach 431 is just to and communicates interior snap ring breach 421 or stagger each other with interior snap ring breach 421 through the relative internal thread rotation of snap ring 42 of outer snap ring 43. At least two first connecting rods 44 are arranged on the outer annular surface of the first base 41 at intervals, one end of each first connecting rod 44 in the length direction is fixedly connected with the first base 41, the other end of each first connecting rod is fixedly connected with a clamping rod 45, the distances from all the clamping rods 45 to the centers of the inner clamping rings 42 are the same, all the clamping rods 45 are arranged along the length direction of the inner clamping rings 42 and are positioned on the same side of the first base 41 as the inner clamping rings 42, one end of each clamping rod 45, which is far away from the first connecting rods 44, is provided with a pier head 46, and the end surface size of the pier head 46, which faces the first connecting rods 44, is larger than the cross section size of the.
In the present invention, the infusion tube fixing structure 4 is used for fixing the infusion tube 1; the infusion tube 1 is placed on the infusion tube fixing structure 4 through a first base notch 411 arranged on the first base 41, an inner snap ring notch 421 arranged on the inner snap ring 42 and an outer snap ring notch 431 arranged on the outer snap ring 43, specifically, the infusion tube 1 is placed at a joint where the bottle stopper puncture outfit 3 of the infusion tube 1 is connected with the infusion tube 1 and is positioned between a convex edge at the joint of the bottle stopper puncture outfit 3 and the infusion tube 1, the joint is positioned in inner rings of the first base 41, the inner snap ring 42 and the outer snap ring 43, when the infusion tube 1 is actually fixed, the first base notch 411, the inner snap ring notch 421 and the outer snap ring notch 431 are opposite to and communicated, and the infusion tube 1 can be embedded into the inner rings of the first base 41, the inner snap ring 42 and the outer snap ring 43 from three notches; the outer clamping ring notch 431 and the inner clamping ring notch 421 can be staggered through the rotation of the outer clamping ring 43 relative to the inner clamping ring 42 through the threads, so that the infusion tube 1 is locked in the first base 41, the inner clamping ring 42 and the inner ring of the outer clamping ring 43, the fixation of the infusion tube 1 is realized, in the using process, the outer clamping ring 43 is fixed relative to the inner clamping rod 45 without being screwed due to the rotation of the threads of the outer clamping ring 43 and the inner clamping ring 42, the outer clamping ring 43 cannot slide, namely, the infusion tube fixing structure 4 is in a locking state, and the infusion tube 1 cannot be loosened from the infusion tube fixing structure 4; in addition, through the setting of interior snap ring 42 outer loop diameter for transfusion tube 1 fixer card is between the protruding edge and the transfusion tube 1 of 3 joints departments of bottle stopper puncture ware, and the transfusion system can't be followed bottle stopper puncture ware 3 one side pine and deviate from.
Preferably, in the present embodiment, the sizes of the first base notch 411, the inner snap ring notch 421 and the outer snap ring notch 431 are the same, and the sizes of the three notches are all larger than twice of the wall thickness of the infusion tube 1, so that the infusion tube 1 can be snapped in from the notches; the top surface of the inner snap ring 42 is flush with the top surface of the outer snap ring 43 when the outer snap ring 43 rotates to the middle part of the outer snap ring 43 to be opposite to the inner snap ring gap 421, so that the inner snap ring 42 and the outer snap ring 43 simultaneously abut against the convex edge at the joint of the bottle stopper puncture outfit 3; the top of the outer ring surface of the inner snap ring 42 is provided with a first limiting bump 422, the protruding length of the first limiting bump 422 is equal to the thickness of the outer snap ring 43, and the first limiting bump 422 is positioned at the tail end of a thread line of a thread structure on the outer ring surface of the inner snap ring 42 so as to limit the rotation of the outer snap ring 43 through the first limiting bump 422, so that the outer snap ring 43 is not loosened out of the inner snap ring 42; two first connecting rods 44 are arranged on the first base 41, and the two first connecting rods 44 are positioned on the same straight line which passes through the center of the first base 41; all the clamping rods 45 have the same length and are smaller than the distance from the puncture head of the bottle stopper puncture outfit 3 to the convex edge of the joint.
The infusion bottle fixing structure 5 comprises a second base 51, a rotating ring 52, a second connecting rod 53 and a locking ring 54. The second base 51 is in an annular structure and is provided with a second base notch 511 for breaking the annular structure of the second base 51, the size of the second base notch 511 is slightly larger than the size of the bottleneck of the infusion bottle 3, the annular radian of the cross section of the second base 51 is larger than 180 degrees, the diameter of the inner ring of the second base 51 is larger than the size of the bottleneck of the infusion bottle 3 but smaller than the outer diameter of the convex edge of the bottleneck of the infusion bottle 3, and the outer ring surface of the second base 51 is provided with a thread structure. The rotating ring 52 is sleeved outside the second base 51 and is in threaded connection with the second base 51 through a threaded structure on the outer ring of the second base 51, the rotating ring 52 is provided with a rotating ring notch 521 for disconnecting the annular structure, the size of the rotating ring notch 521 is equal to that of the second base notch 511, and the rotating ring notch 521 is opposite to and communicated with the second base notch 511 through the rotation of the rotating ring 52 relative to the thread of the second base 51 or is staggered with the second base notch 511. The number of the second connecting rods 53 is equal to the number of the first connecting rods 44, all the second connecting rods 53 are arranged on the outer annular surface of the rotating ring 52 at intervals, each second connecting rod 53 is matched with one first connecting rod 44 and is opposite to the matched first connecting rod 44 through the rotation of the rotating ring 52 relative to the second base 51, one end of each second connecting rod 53 in the length direction is fixedly connected with the rotating ring 52, the other end of each second connecting rod is fixedly connected with a locking ring 54, the annular surface of the locking ring 54 is parallel to the annular surface of the second base 51, the distance between all the locking rings 54 and the second base 51 is the same and is equal to the distance between the clamping rod 45 and the first inner clamping ring 42, each locking ring 54 is provided with a locking ring notch 541 which enables the annular structure to be broken, the size of the locking ring notch is slightly smaller than the rod diameter of the rod body of the clamping rod 45, and the centers of all the locking ring notches are positioned on, the ring center of the circular ring surface is overlapped with the ring center of the second base 51, and the two adjacent lock ring gaps 541 are not over against; a locking ring 54 is matched with a clamping rod 45, the clamping rod 45 is detachably clamped into the locking ring 54 through a locking ring notch 541, and the infusion bottle fixing structure 5 is detachably connected with the infusion tube fixing structure 4 in a mode that the clamping rod 45 is clamped with the locking ring 54.
The infusion bottle fixing structure 5 of the invention is used for fixing an infusion bottle 3, and is mainly fixed at the bottleneck of the infusion bottle 3, particularly between the convex edge at the bottleneck of the infusion bottle 3 and the body of the infusion bottle 3, when the fixing is carried out, the bottleneck of the infusion bottle 3 is clamped into the inner rings of the second base 51 and the rotating ring 52 through the second base notch 511 arranged on the second base 51 and the rotating ring notch 521 arranged on the rotating ring 52, the rotating ring 52 rotates relative to the second base 51 to stagger the rotating ring notch 521 and the second base notch 511 to close and lock the infusion bottle 3, in the rotating process of the rotating ring 52, the locking ring 54 on the rotating ring rotates along with the rotating ring to clamp the clamping rod 45 into the locking ring 54 from the locking ring notch 541, because the rotating ring 52 is rotationally connected with the second base 51 in a threaded rotating mode, under the condition that the rotating ring 52 is fixed relative to the second base 51 without being screwed, the infusion bottle fixing structure 5 is in a, at this moment, the infusion bottle 3 cannot be loosened from the infusion bottle fixing structure 5, because the clamping rod 45 is clamped into the locking ring 54, under the condition that the rotating ring 52 or the first base 41 is not rotated, the clamping rod 45 is locked by the locking ring 54, the infusion tube fixing structure 4 is fixedly connected to the infusion bottle fixing structure 5, the clamping rod and the infusion bottle fixing structure are not loosened, when the infusion tube 1 is pulled downwards, the infusion tube fixing structure 4 enables the infusion bottle fixing structure 5 to be under the action of downward (one side of the bottle opening), because the infusion bottle fixing structure 5 is clamped by the convex edge at the bottle opening, the infusion tube fixing structure 4 cannot be separated from the infusion tube fixing structure 4, the infusion tube 1 bottle stopper puncture outfit 3 on the infusion tube fixing structure 4 cannot be separated from the infusion bottle 3, and the problem that the bottle stopper puncture outfit 3 falls off is.
Preferably, in the present embodiment, all the lock rings 54 and the second connecting rods 53 are on the same plane; the top of the outer circumferential surface of the second base 51 has a second limit protrusion 512, the protruding length of the second limit protrusion 512 is equal to the thickness of the rotating ring 52, and the second limit protrusion is located at the end of the thread structure on the outer circumferential surface of the second base 51 to limit the rotation of the rotating ring 52, so that the rotating ring 52 does not separate from the second base 51. The pier head 46 is provided with a limiting ring 47 towards the outer edge of the end face of the first connecting rod 44, the center of the limiting ring 47 is overlapped with the center of the locking ring 54, the diameter of the inner ring of the limiting ring 47 is not smaller than that of the outer ring of the locking ring 54, the limiting ring 47 is provided with a limiting ring 47 notch for breaking the ring structure, the size of the limiting ring 47 notch is slightly larger than the size of the joint of the second connecting rod 53 and the locking ring 54, and the limiting ring 47 notch is opposite to the joint of the second connecting rod 53 and the locking ring 54 when the clamping rod 45 is clamped in the locking ring 54, so that the locking ring 54 is embedded between the limiting ring 47 and the rod body of the clamping rod 45 through the arrangement of the limiting ring 47, the locking ring notch 541 is closed, the clamping rod 45 is further prevented from being separated from the locking ring 54 from the locking ring notch 541; further, the length of the restraining ring 47 is greater than the length of the locking ring 54.
When the invention is used, the installation is carried out in three steps.
Firstly, the infusion tube fixing structure 4 is arranged on the infusion tube 1, and the installation process is as follows: firstly, one side of the clamping rod 45 faces the side where the bottle stopper puncture outfit 3 is located, the outer clamping ring 43 is rotated until the notch of the outer clamping rod 45 is opposite to and communicated with the notch 421 of the inner clamping ring, then the tube body of the infusion tube 1 is compressed to a certain degree and enters the inner rings of the first base 41, the inner clamping ring 42 and the outer clamping ring 43 from the notch 411 of the first base, the notch 421 of the inner clamping ring and the notch 431 of the outer clamping ring, and then the outer clamping ring 43 is rotated until the notch 431 of the outer clamping ring is staggered with the notch 421 of the inner clamping ring, so that the infusion tube fixing structure 4 is fixed on the infusion tube 1.
Secondly, the infusion bottle fixing structure 5 is installed on the infusion bottle 3, and the installation process is as follows: firstly, the rotating ring 52 is rotated until the rotating ring notch 521 is opposite to the second base notch 511, then the bottleneck of the infusion bottle 3 is clamped into the inner rings of the second base 51 and the rotating ring 52 from the second base notch 511 and the rotating ring notch 521, and the rotating ring 52 is rotated until the rotating ring notch 521 is staggered with the second base notch 511, so that the fixation of the infusion bottle fixing structure 5 on the infusion bottle 3 is completed.
Thirdly, the clamping rod 45 of the infusion tube fixing structure 4 is opposite to the infusion bottle 3, the two clamping rods 45 and the two locking rings 54 are arranged in a staggered mode, one clamping rod 45 corresponds to one locking ring 54, then the bottle stopper puncture outfit 3 is inserted into the infusion bottle 3 and enters from the center of the opening of the infusion bottle 3, the insertion depth needs to enable the locking ring 54 to be located between the pier head 46 and the first connecting rod 44, the infusion tube fixing structure 4 is rotated, the clamping rod 45 is clamped into the locking ring 54, then the bottle stopper puncture outfit 3 is pulled downwards, the puncture head of the bottle stopper puncture outfit 3 is located at the proper position in the infusion bottle 3, at the moment, the locking ring 54 is located between the limiting ring 47 and the clamping rod 45, and installation of the device is.
When the infusion bottle 3 needs to be replaced, the bottle stopper puncture outfit 3 is pushed up until the locking ring 54 is positioned between the limiting ring 47 and the first connecting rod 44, the infusion tube fixing structure 4 is rotated to enable the clamping rod 45 to rotate out of the locking ring 54, then the bottle stopper puncture outfit 3 is pulled down to enable the infusion bottle 3 to be separated from, then the rotating ring 52 of the infusion bottle fixing structure 5 is rotated until the rotating ring notch 521 is opposite to the second base notch 511, the infusion bottle 3 can be separated from the infusion bottle fixing structure 5 from the notch, and the second step and the third step are repeated, so that the replacement of the infusion bottle 3 is completed.
Or, when the infusion bottle is replaced, the bottle stopper puncture outfit 3 is inserted into a new infusion bottle 3, the infusion bottle fixing structure 5 is detached from the old infusion bottle 3 and then is installed into the new infusion bottle 3, at the moment, when the infusion bottle fixing structure 5 is installed, the two lock rings 54 are respectively positioned at two opposite sides of the two clamping rods 45, after the installation of the infusion bottle fixing structure 5 is completed, the infusion tube fixing structure 4 and the bottle stopper puncture outfit 3 are rotated, so that the clamping rods 45 are clamped into the lock rings 54, and then the bottle stopper puncture outfit 3 is pulled down.
The above description is intended to describe in detail the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the claims of the present invention, and all equivalent changes and modifications made within the technical spirit of the present invention should fall within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a avoid clamping device of transfusion system slippage from infusion bottle which characterized in that: comprises a transfusion tube fixing structure and a transfusion bottle fixing structure;
the infusion tube fixing structure comprises a first base, an inner clamping ring, an outer clamping ring, at least two first connecting rods and at least two clamping rods; the first base is of an annular structure and is provided with a first base notch for breaking the annular structure of the first base, and the size of the first base notch is smaller than the pipe diameter of the infusion pipe; the inner snap ring is vertically arranged on the first base, the ring surface of the inner snap ring is fixedly connected with the top surface of the first base, the ring center is superposed with the ring center of the first base, the inner snap ring is provided with an inner snap ring notch for breaking the ring-shaped structure of the inner snap ring, the inner snap ring notch is opposite to and communicated with the first base notch, the size of the inner snap ring notch is smaller than the pipe diameter of the infusion pipe, the diameter of the inner snap ring is not larger than that of the inner ring of the first base but slightly larger than the outer diameter of one end of a joint for connecting the bottle stopper puncture outfit and the infusion pipe, the diameter of the outer ring of the inner snap ring at the position of the infusion pipe is smaller than the outer diameter of a convex edge at the position of the joint for connecting the bottle stopper puncture outfit and; the outer snap ring is sleeved outside the inner snap ring and is in threaded connection with the inner snap ring through a threaded structure on the outer ring of the inner snap ring, the outer snap ring is provided with an outer snap ring notch for breaking the annular structure of the outer snap ring, the size of the outer snap ring notch is smaller than the pipe diameter of the infusion pipe, and the outer snap ring notch is opposite to and communicated with the inner snap ring notch or is staggered with the inner snap ring notch through the relative rotation of the outer snap ring and the inner snap ring; the clamping device comprises a first base, at least two first connecting rods, a clamping rod, a first clamping ring, a first clamping rod, a second clamping ring, a first clamping rod and a second clamping rod, wherein the first base is fixedly connected to one end of each first connecting rod in the length direction, the other end of each first connecting rod is fixedly connected with the other end of each first connecting rod, the distances between the clamping rods and the centers of the inner clamping rings are the same, all the clamping rods are arranged along the length direction of the inner clamping rings and are located on the same side of the first base as the inner clamping rings, one end, away from the first connecting rods, of each clamping rod is provided with a pier head;
the infusion bottle fixing structure comprises a second base, a rotating ring, a second connecting rod and a locking ring; the second base is of an annular structure and is provided with a second base notch for breaking the annular structure of the second base, the size of the second base notch is slightly larger than the size of the bottleneck of the infusion bottle, the annular radian of the cross section of the second base is larger than 180 degrees, the diameter of an inner ring of the second base is larger than the size of the bottleneck of the infusion bottle but smaller than the outer diameter of a convex edge at the bottleneck of the infusion bottle, and a thread structure is arranged on the annular surface of an outer ring of the second base; the rotating ring is sleeved outside the second base and is in threaded connection with the second base through a threaded structure on the outer ring of the second base, the rotating ring is provided with a rotating ring notch for disconnecting the annular structure of the rotating ring, the size of the rotating ring notch is equal to that of the second base notch, and the rotating ring notch is opposite to and communicated with the second base notch through the rotation of the rotating ring relative to the thread of the second base or is staggered with the second base notch; the number of the second connecting rods is equal to that of the first connecting rods, all the second connecting rods are arranged on the outer ring surface of the rotating ring at intervals, each second connecting rod is matched with one first connecting rod, and is opposite to the matched first connecting rod through the rotation of the rotating ring relative to the second base, one end of each second connecting rod in the length direction is fixedly connected with the rotating ring, the other end is fixedly connected with a locking ring, the ring surface of the lock ring is arranged in parallel with the ring surface of the second base, the distances between the lock rings and the ring centers of the second base are the same, and is equal to the distance between the clamping rod and the center of the first inner snap ring, each snap ring is provided with a snap ring gap for breaking the annular structure, the size of the locking ring gap is slightly smaller than the rod diameter of the rod body of the clamping rod, the centers of all the locking ring gaps are positioned on the same circular ring surface, the ring center of the circular ring surface is overlapped with the ring center of the second base, and the adjacent two locking ring gaps are not opposite; a lock ring is matched with a clamping rod, the clamping rod can be detachably clamped into the lock ring through a lock ring notch, and the infusion bottle fixing structure can be detachably connected with the infusion tube fixing structure in a mode that the clamping rod is clamped with the lock ring.
2. The clamping device for preventing the infusion set from slipping off the infusion bottle as claimed in claim 1, wherein: the sizes of the first base notch, the inner clamp ring notch and the outer clamp ring notch are the same, and the sizes of the notches of the first base notch, the inner clamp ring notch and the outer clamp ring notch are all larger than twice of the wall thickness of the infusion tube.
3. The clamping device for preventing the infusion set from slipping off the infusion bottle as claimed in claim 1, wherein: the top surface of the inner snap ring is flush with the top surface of the outer snap ring when the outer snap ring rotates to the middle part of the outer snap ring and just faces the inner snap ring gap.
4. The clamping device for preventing the infusion set from slipping off the infusion bottle as claimed in claim 3, wherein: the top of the outer ring surface of the inner clamp ring is provided with a first limiting lug, the protruding length of the first limiting lug is equal to the thickness of the outer clamp ring, and the first limiting lug is positioned at the tail end of a thread line of the thread structure on the outer ring surface of the inner clamp ring.
5. The clamping device for preventing the infusion set from slipping off the infusion bottle as claimed in claim 1, wherein: the first base is provided with two first connecting rods, the two first connecting rods are positioned on the same straight line, and the straight line passes through the center of the first base.
6. The clamping device for preventing the infusion set from slipping off the infusion bottle as claimed in claim 1, wherein: all the clamping rods have the same length and are smaller than the distance from the puncture head of the bottle stopper puncture outfit to the convex edge at the joint.
7. The clamping device for preventing the infusion set from slipping off the infusion bottle as claimed in claim 1, wherein: the top of the outer ring surface of the second base is provided with a second limiting lug, the protruding length of the second limiting lug is equal to the thickness of the rotating ring, and the second limiting lug is positioned at the tail end of a thread line of the thread structure on the outer ring surface of the second base.
8. The clamping device for preventing the infusion set from slipping off the infusion bottle as claimed in claim 1, wherein: the pier head is provided with a limiting ring towards the outer edge of the end face of the first connecting rod, the ring center of the limiting ring is overlapped with the ring center of the locking ring, the diameter of the inner ring of the limiting ring is not smaller than that of the outer ring of the locking ring, the limiting ring is provided with a limiting ring notch for disconnecting the ring structure of the limiting ring, the size of the limiting ring notch is slightly larger than that of the joint of the second connecting rod and the locking ring, and the limiting ring notch is opposite to the joint of the second connecting rod and the locking ring when the clamping rod is clamped into the locking ring.
9. The clamping device for preventing the infusion set from slipping off the infusion bottle as claimed in claim 8, wherein: the length of the restraining ring is greater than the length of the locking ring.
10. The clamping device for preventing the infusion set from slipping off the infusion bottle as claimed in claim 1, wherein: all the locking rings and the second connecting rod are positioned on the same plane.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110101557.4A CN112755318B (en) | 2021-01-26 | 2021-01-26 | Clamping device for preventing infusion apparatus from slipping from infusion bottle |
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| CN202110101557.4A CN112755318B (en) | 2021-01-26 | 2021-01-26 | Clamping device for preventing infusion apparatus from slipping from infusion bottle |
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| CN112755318B CN112755318B (en) | 2022-07-22 |
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| CN112755318B (en) | 2022-07-22 |
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