CN212699907U

CN212699907U - Infusion apparatus extension catheter

Info

Publication number: CN212699907U
Application number: CN202020171788.3U
Authority: CN
Inventors: 颜洁; 张会娟
Original assignee: Institute of Hematology and Blood Diseases Hospital of CAMS and PUMC
Current assignee: Institute of Hematology and Blood Diseases Hospital of CAMS and PUMC
Priority date: 2020-02-15
Filing date: 2020-02-15
Publication date: 2021-03-16
Anticipated expiration: 2030-02-15

Abstract

The utility model discloses an infusion apparatus extension pipe belongs to medical treatment auxiliary articles for use technical field, and the extension pipe includes the pipe, and pipe one end is equipped with the feed liquor interface, and the pipe other end is equipped with out the liquid interface, is equipped with the check valve in the pipe, and the pipe includes telescopic bend section, when the bend section extension is the straight tube, the distance increases between feed liquor interface and the liquid interface, and when the bend section answer return bend, the distance shortens between feed liquor interface and the liquid interface. The utility model discloses an infusion apparatus extension pipe passes through the pipe bending and shortens the feed liquor interface and go out the distance between the liquid interface, is convenient for divide clear different infusion pipes fast directly perceived, prevents that air from getting into the pipe when changing dressings.

Description

Infusion apparatus extension catheter

Technical Field

The utility model belongs to the technical field of medical treatment auxiliary articles for use, especially, relate to an infusion apparatus extension pipe.

Background

The infusion apparatus extension duct is an injector or an extension duct of an infusion apparatus during infusion.

In order to ensure the administration requirements of patients, particularly critical patients, infusion often requires that a plurality of medicines are input into the patients in parallel through a three-way pipe. When the length of the infusion tube of the infusion apparatus between the tee joint and the infusion bag is not enough, an infusion apparatus extension catheter needs to be connected between the liquid outlet end of the infusion tube and the tee joint. In clinical treatment, because the infusion apparatus extension catheters are long, the infusion apparatus extension catheters connected in parallel are easy to be wound, medical staff need to repeatedly clean pipelines when changing medicines and checking administration, a large amount of manpower is wasted, so that anxiety emotion is generated when patients are treated, and normal treatment is influenced.

When the infusion apparatus extension catheter is connected with the injector, the two ends of the infusion apparatus extension catheter are respectively connected with the injection needle and the injector of the injection pump, and when the medicine is changed, the liquid inlet interface of the extension catheter is easy to enter air, so that the normal input of the liquid medicine is influenced.

In addition, when the extension catheter of the infusion apparatus is an injector or an extension catheter of the infusion apparatus, if the medicine is not changed in time, the blood backflow phenomenon is easy to occur, so that the patient is infected with bacteria and even causes medical accidents.

Disclosure of Invention

The utility model discloses a solve the problem that prior art exists and propose, its purpose provides one kind through the pipe bending shorten the feed liquor interface with go out the distance between the liquid interface, be convenient for divide clear different infusion pipes fast directly perceived, prevent that air from getting into the transfusion system extension pipe of pipe when changing dressings.

In order to realize the above-mentioned purpose, the utility model provides an infusion apparatus extension pipe, the extension pipe includes the pipe, pipe one end is equipped with the feed liquor interface, the pipe other end is equipped with out the liquid interface, be equipped with the check valve in the pipe, the pipe includes extendible bend section, works as when the bend section extension is the straight tube, the distance increases between feed liquor interface and the play liquid interface, works as when the bend section is the return bend, the distance shortens between feed liquor interface and the play liquid interface.

Further, the outer wall of the conduit is provided with a buckle component, the buckle component comprises a buckle piece and a buckle head piece which are arranged on the conduit at intervals, wherein,

the clamping piece comprises a first connecting ring, a first connecting shaft and a clamping buckle, the first connecting ring is arranged on the outer circumference of the guide pipe, a first opening is formed in one side of the first connecting ring, and a first connecting layer is arranged on the inner circumference of the first connecting ring; the first connecting shaft is arranged along the radial direction of the first connecting ring, one end of the first connecting shaft is connected with the outer circumference of the first connecting ring, and the other end of the first connecting shaft is connected with the buckle; the buckle comprises a connecting rod, the middle part of one side of the connecting rod is connected with the first connecting shaft, two ends of the other side of the first connecting shaft are respectively provided with a same clamping rod, each clamping rod comprises a connecting section and a clamping section, two ends of the connecting section are respectively connected with the connecting rod and the clamping section, the middle part of the first connecting shaft is provided with a guide rod which is coplanar with the two clamping rods, and one end of the guide rod is connected with the first connecting shaft;

the buckle head piece comprises a second connecting ring, a second connecting shaft and a buckle head, the second connecting ring is arranged on the outer circumference of the catheter, a second opening is formed in one side of the second connecting ring, and a second connecting layer is arranged on the inner circumference of the second connecting ring; the second connecting shaft is arranged along the radial direction of the second connecting ring, one end of the second connecting shaft is connected with the outer circumference of the second connecting ring, and the other end of the second connecting shaft is connected with one end of the buckle head; the other end of the buckle head is provided with a buckle groove used for extending into the two clamping rods and the guide rod of the buckle, two opposite side walls of the buckle groove along the length direction are provided with slide ways which are adapted to the guide rod, two opposite sides of the buckle groove along the width direction are provided with bayonets which penetrate through the width direction and extend to two adjacent side walls, and the bayonets are communicated with the buckle groove and adapted to the clamping segments;

when the buckle is clamped in the buckle groove of the buckle head, the conduit between the buckle piece and the buckle head piece is bent.

Further, the outer wall of the conduit is provided with at least one group of the buckle components.

Further, the first connecting layer and the second connecting layer are silica gel layers or adhesive layers.

Further, the bending section includes the spiral pipe, the spiral pipe axis is the spiral line shape and the spiral pipe cross section is ring shape, the feed liquor end of spiral pipe, play liquid end and spiral pipe centre of a circle central line locate on the same axis.

Further, the liquid inlet interface is provided with a first clamping groove along the outer circumferential direction of the liquid inlet interface and used for inserting a color card or a character card; the liquid outlet interface is provided with a second clamping groove along the outer circumferential direction of the liquid outlet interface and is used for inserting cards with the same color or character cards.

In the utility model, the one-way valve is arranged in the conduit, so that when the injector connected with the liquid inlet interface is replaced, air can be prevented from entering the liquid inlet interface, and meanwhile, the blood of a patient can be prevented from flowing back into the conduit when the medicine is replaced; the bent section is arranged in the conduit, when the bent section is a bent pipe, the distance between the liquid inlet interface and the liquid outlet interface can be shortened, so that the distance between the liquid inlet interface and the liquid outlet interface of the utility model is close to the length of the actually required conduit, and the winding problem between the parallel conduits caused by overlong conduits is effectively avoided; the catheter can be provided with a buckle assembly, two clamping rods and a guide rod of a buckle part are clamped into a buckle groove of a buckle head part, and a bending section is formed between the buckle part and the buckle head part; the bending section can be a spiral tube, so that medical staff can quickly and visually distinguish infusion bags corresponding to different catheters, and the waiting time of changing the medicine for a patient is shortened.

Drawings

Fig. 1 is a schematic structural diagram provided in the first embodiment of the present invention;

fig. 2 is a schematic structural view of a fastening member according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a buckle head according to a first embodiment of the present invention;

fig. 4 is a schematic structural diagram of a second embodiment of the present invention.

Wherein: 1. a conduit; 2. a liquid inlet interface; 3. a liquid outlet interface; 4. a one-way valve; 5. a curved section; 6. a buckle assembly; 7. a fastener; 71. a first connecting ring; 72. a first connecting shaft; 73. buckling; 74. a first opening; 75. a first tie layer; 76. a connecting rod; 77. a clamping rod; 78. a connecting section; 79. a clamping section; 70. a guide bar; 8. a snap head piece; 81. a second connection ring; 82. a second connecting shaft; 83. a buckle head; 84. a second opening; 85. a second connection layer; 86. a fastening groove; 87. a slideway; 88. a bayonet; 9. a spiral tube.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and examples:

the first embodiment is as follows: as shown in fig. 1, an infusion apparatus extension pipe, the extension pipe includes

pipe

1, 1 one end of pipe is equipped with feed liquor interface 2, the 1 other end of pipe is equipped with out liquid interface 3, be equipped with check valve 4 in the pipe 1, pipe 1 includes extendible bend segment 5, works as when 5 extensions of bend segment are the straight tube, the distance increases between feed liquor interface 2 and the play liquid interface 3, works as when bend segment 5 is the return bend, the distance shortens between feed liquor interface 2 and the play liquid interface 3.

Be equipped with check valve 4 in the pipe 1, when changing the syringe that feed liquor interface 2 connects, can avoid getting into the air in the feed liquor interface 2, patient's blood reflux pipe 1 when can avoiding changing dressings simultaneously. The bent section 5 is arranged in the conduit 1, when the bent section 5 extends to form a straight pipe, the distance between the liquid inlet interface 2 and the liquid outlet interface 3 is the length of the conduit extended by a common infusion apparatus, and the use requirement in the length range can be met; when bending section 5 is the return bend, can shorten the distance between feed liquor interface 2 and the play liquid interface 3, make the utility model discloses the distance is close to actual required pipe 1 length between feed liquor interface 2 and the play liquid interface 3, effectively avoids taking place the winding because 1 overlength of pipe makes between the parallelly connected pipe, and the medical staff's of being convenient for infusion operation shortens the patient and gives the latency of changing dressings.

In the embodiment of the present invention, as shown in fig. 1 to 3, the outer wall of the conduit 1 is provided with a buckle assembly 6, the buckle assembly 6 includes a buckle member 7 and a buckle head member 8 which are arranged on the conduit 1 at intervals, wherein the buckle member 7 includes a first connecting ring 71, a first connecting shaft 72 and a buckle 73, the first connecting ring 71 is installed on the outer circumference of the conduit 1, a first opening 74 is arranged on one side of the first connecting ring 71, and a first connecting layer 75 is arranged on the inner circumference of the first connecting ring 71; the first connecting shaft 72 is arranged along the radial direction of the first connecting ring 71, one end of the first connecting shaft 72 is connected with the outer circumference of the first connecting ring 71, and the other end of the first connecting shaft 72 is connected with the buckle 73; the buckle 73 comprises a connecting rod 76, the middle part of one side of the connecting rod 76 is connected with the first connecting shaft 72, two ends of the other side of the first connecting shaft 72 are respectively provided with a same clamping rod 77, the clamping rod 77 comprises a connecting section 78 and a clamping section 79, two ends of the connecting section 78 are respectively connected with the connecting rod 76 and the clamping section 79, the middle part of the first connecting shaft 72 is provided with a guide rod 70 which is coplanar with the two clamping rods 77, and one end of the guide rod 70 is connected with the first connecting shaft 72; the locking head member 8 comprises a second connection ring 81, a second connection shaft 82 and a locking head 83, the second connection ring 81 is mounted on the outer circumference of the catheter 1, one side of the second connection ring 81 is provided with a second opening 84 for mounting the second connection ring 81 on the catheter 1, the inner circumference of the second connection ring 81 is provided with a second connection layer 85; the second connecting shaft 82 is arranged along the radial direction of the second connecting ring 81, one end of the second connecting shaft 82 is connected with the outer circumference of the second connecting ring 81, and the other end of the second connecting shaft 82 is connected with one end of the buckle head 83; the other end of the buckle head 83 is provided with a buckle groove 86 for extending into the two clamping rods 77 of the buckle 73 and the guide rod 70, two opposite side walls of the buckle groove 86 along the length direction are provided with slide ways 87, the slide ways 87 are adapted to the guide rod 70, two opposite sides of the buckle groove 86 along the width direction are provided with bayonets 88 which penetrate through the width direction and extend towards two adjacent side walls, and the bayonets 88 are communicated with the buckle groove 86 and are adapted to the clamping sections 79; when the clip 73 is clipped into the clip groove 86 of the clip head 83, the conduit 1 between the clip 7 and the clip head 8 is bent.

In this embodiment, the first connection ring 71 is mounted to the side wall of the conduit 1 through the first opening 74, and the second connection ring 81 is mounted to the side wall of the conduit 1 through the second opening 84, so as to facilitate the mounting and dismounting of the buckle assembly 6; the buckle 73 is rotatably connected to the first connecting ring 71 through the first connecting shaft 72, and the buckle head 83 is rotatably connected to the second connecting ring 81 through the second connecting shaft 82, so that the buckle 73 can be clamped with the buckle head 83 at multiple angles, and the universality of the buckle assembly 6 is improved; the slide way 87 has a guiding function, so that the guide rod 70 can be conveniently and accurately inserted into the slide way 87, and meanwhile, the relative displacement of the two clamping sections 79 can be prevented, and the clamping effect is ensured; after the buckle assembly 6 is clamped, the bent section 5 is formed between the buckle piece 7 and the buckle assembly 6, the distance between the liquid inlet interface 2 and the liquid outlet interface 3 is shortened, and the phenomenon that the parallel connection guide pipes are wound between 1 because the guide pipes are overlong is avoided.

When the buckle assembly 6 is used, the buckle 73 is inserted into the buckle groove 86 of the buckle head 83, and the buckle 73 and the buckle head 83 can be clamped by clamping the clamping section 79 at the bayonet 88; after use, the catch 73 can be separated from the catch head 83 by pressing the engaging section 79 toward the guide bar 70.

Further, as shown in fig. 1, at least one set of the snap-fit components 6 is disposed on the outer wall of the conduit 1, and a plurality of sets of the snap-fit components 6 can be disposed on the outer wall of the conduit 1 as required, so that the conduit forms a multi-section bending section. Preferably, each group of buckle assemblies 6 are uniformly arranged along the length direction of the conduit 1, so that the conduit 1 can form a uniform bending section 5 as required, the distance between the liquid inlet interface 2 and the liquid outlet interface 3 is shortened, and the phenomenon that the conduits 1 are wound due to overlong conduits 1 in parallel is avoided.

Further, the first connection layer 75 and the second connection layer 85 may be silica gel layers made of silica gel materials, and have good corrosion resistance and anti-slip property; the first connecting layer 75 and the second connecting layer 85 may also be adhesive layers to fixedly attach the clip assembly 6 to the catheter 1.

Example two: as shown in fig. 4, the bending section 5 comprises a spiral tube 9, and the bending section 5 is stretched during the infusion process, so that the parallel catheters 1 can be prevented from being wound. The axis of the spiral tube 9 is spiral and the cross section of the spiral tube 9 is circular, the liquid inlet end and the liquid outlet end of the spiral tube 9 and the center line of the circle of the spiral tube 9 are arranged on the same axis, so that medical staff can visually distinguish infusion bags corresponding to the catheter 1, and the stability of the structure can be ensured. Furthermore, the spiral tube 9 is made of medical PVC material and has strong elastic deformation capability.

In any embodiment of the present invention, the liquid inlet interface is provided with a first slot (not labeled in the drawings) along the outer circumferential direction thereof for inserting a color card or a character card; the liquid outlet interface is provided with a second clamping groove (not marked in the attached drawing) along the outer circumferential direction thereof for inserting the same color card or character card, different color cards or character cards can be respectively arranged on the extension catheters which are connected in parallel, so that medical staff can conveniently match the liquid inlet interface and the liquid outlet interface of the same extension catheter, the extension catheters can be quickly and accurately distinguished, the working efficiency is improved, and the waiting time of a patient for changing the medicine is shortened.

In the utility model, the conduit 1 is provided with the check valve 4, so that when the injector connected with the liquid inlet interface 2 is replaced, air can be prevented from entering the liquid inlet interface 2, and the blood of a patient can be prevented from flowing back into the conduit 1 when the medicine is replaced; the bent section 5 is arranged in the conduit 1, when the bent section 5 is a bent pipe, the distance between the liquid inlet interface 2 and the liquid outlet interface 3 can be shortened, so that the distance between the liquid inlet interface 2 and the liquid outlet interface 3 of the utility model is close to the length of the conduit 1 which is actually needed, and the winding problem between the parallel conduits 1 caused by the overlong conduit 1 is effectively avoided; the catheter 1 can be provided with a buckle assembly 6, two clamping rods 77 and a guide rod 70 of a buckle piece 7 are clamped into a buckle groove 86 of a buckle head piece 8, and a bending section 5 is formed between the buckle piece 7 and the buckle head piece 8; the bending section 5 comprises a spiral tube 9, so that medical staff can quickly and visually distinguish infusion bags corresponding to different catheters 1.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides an infusion apparatus extension pipe, the extension pipe includes the pipe, pipe one end is equipped with the feed liquor interface, the pipe other end is equipped with out the liquid interface, a serial communication port, be equipped with the check valve in the pipe, the pipe includes extendible bend section, works as when the bend section extension is the straight tube, the distance increases between feed liquor interface and the play liquid interface, works as when the bend section is the return bend, the distance shortens between feed liquor interface and the play liquid interface.

2. The infusion set extension catheter of claim 1, wherein the catheter outer wall is provided with a snap assembly comprising a snap member and a snap head member spaced apart on the catheter, wherein,

3. The infusion set extension catheter of claim 2, wherein the catheter outer wall is provided with at least one set of said snap assemblies.

4. The infusion set extension catheter of claim 2, wherein the first and second connection layers are silicone or adhesive layers.

5. The infusion set extension catheter according to claim 1, wherein the curved section comprises a spiral tube, the axis of the spiral tube is spiral and the cross section of the spiral tube is circular, and the liquid inlet end and the liquid outlet end of the spiral tube and the center line of the center of the spiral tube are arranged on the same axis.

6. The infusion set extension catheter of claim 1, wherein: the liquid inlet interface is provided with a first clamping groove along the outer circumferential direction of the liquid inlet interface and is used for inserting a color card or a character card; the liquid outlet interface is provided with a second clamping groove along the outer circumferential direction of the liquid outlet interface and is used for inserting cards with the same color or character cards.