CN219398473U

CN219398473U - Infusion apparatus capable of improving comfort level of patient

Info

Publication number: CN219398473U
Application number: CN202223507292.7U
Authority: CN
Inventors: 王珊
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-07-25
Anticipated expiration: 2032-12-23

Abstract

The present application relates to an infusion set for improving patient comfort, comprising: the external piece is provided with a containing groove for the needle head assembly to move; the hose is coaxially arranged on the end part of the external piece and is communicated with the accommodating groove; when the needle head assembly is connected with the external piece, the needle tube is arranged in the hose in a penetrating way, and the connecting tube is positioned in the accommodating groove. When the skin and the blood vessel wall are punctured, the needle tube is positioned in the hose to form a whole, so that the hose can also enter the blood vessel wall, and after the needle insertion is completed, the needle tube is retracted to a part or the hose is pushed forward, so that the needle point part is retracted into the hose; because the hose can bend and wrap the needle tip, the hose can bend in the swing process, the vessel wall can not be punctured, and the hard needle tip is protected, so that the problem that the hard needle head is easy to puncture the inner wall of the vessel and bulge at the puncture position is caused due to excessive swing is avoided. In addition, the external piece and the hose can be matched with the existing needle to be used, so that the application range is enlarged.

Description

Infusion apparatus capable of improving comfort level of patient

Technical Field

The application relates to the technical field of medical appliances, in particular to an infusion apparatus capable of improving comfort level of patients.

Background

At present, a disposable infusion set is a common medical consumable, and a channel between a vein and liquid medicine is established for intravenous infusion through aseptic treatment. It is generally formed from eight portions of intravenous needle or injection needle, needle head protecting cap, transfusion tube, medicine liquor filter, flow rate regulator, drip cup, bottle stopper puncture outfit and air filter which are connected together, and the portion of transfusion system also has injection piece and medicine-adding mouth.

In some related technologies, the drip speed is regulated by a flow speed regulator in the infusion process, and the principle is basically the same, namely, a pulley is arranged outside an infusion catheter, the infusion catheter is extruded mainly through the pulley, so that the shape of the infusion catheter is changed, and the cross-sectional area of a liquid flow channel of the infusion catheter is changed, namely, the flow speed of the infusion is regulated by changing the cross-sectional area of the liquid flow channel of the infusion catheter; however, the flow rate can be adjusted only by experience to judge the dropping condition of the liquid drops, and the accurate adjustment cannot be performed, so that the device can better adapt to the requirements of different patients and reduce discomfort.

In other related art, a rigid needle is often used for medical infusion, which can smoothly puncture the skin and the blood vessel wall and perform infusion; but its defects are gradually exposed during long-term use; firstly, when the needle is inserted into a blood vessel to carry out transfusion, the hand or the foot which is inserted cannot be moved greatly, because the needle is hard in texture, if the needle swings excessively after entering the blood vessel, the needle is easy to be inserted into the inner wall of the blood vessel, so that the accidents such as bulge at the inserted position are caused, and normal transfusion is influenced.

The CN104740717B document also describes that a hard needle is commonly used in medical transfusion, and can smoothly puncture the skin and the blood vessel wall and perform transfusion; but its defects are gradually exposed during long-term use; firstly, the pricked hand or foot cannot be moved greatly when the blood vessel is pricked for transfusion, because the texture is harder, if the needle is swung excessively after entering the blood vessel, the needle is easy to prick the inner wall of the blood vessel, so that the accident such as bulge at the pricking position is caused, and normal transfusion is influenced; secondly, because the size is overlong, the finger is easy to accidentally injure or the other person is easy to accidentally prick during daily treatment, and unnecessary injury is caused, so that the problem proposed by the application objectively exists.

Disclosure of Invention

The embodiment of the application provides an infusion apparatus capable of improving comfort level of a patient, and aims to solve the problem that a needle is easy to prick to the inner wall of a blood vessel due to excessive swing of a hard needle in the related art, so that a pricking part bulges.

In a first aspect, there is provided an infusion set for improving patient comfort, comprising:

the needle head assembly comprises a connecting pipe, a needle tube and a handheld part, wherein the needle tube is coaxially connected with the connecting pipe, and the handheld part is connected to the connecting pipe; the connecting pipe is also connected with a transfusion pipe;

an external part, which is provided with a containing groove for the needle head assembly to move;

a hose coaxially installed on an end of the exterior member and communicating with the receiving groove;

the locking piece is arranged on the external piece and extends into the accommodating groove;

when the needle tube is penetrated in the hose and the connecting tube is positioned in the accommodating groove, the locking piece locks or unlocks the connecting tube.

In some embodiments, the locking member is a stop lever; the external piece is provided with a first limiting hole; the connecting pipe is provided with a second limiting hole corresponding to the first limiting hole; when the limiting rod penetrates through the first limiting hole and the second limiting hole, the external piece is locked with the connecting pipe; or alternatively, the first and second heat exchangers may be,

the locking piece adopts a threaded rod; the external piece is provided with a first limiting hole in threaded connection with the threaded rod; when the threaded rod is connected with the first limiting hole and abuts against the outer wall of the connecting pipe, the external piece is locked with the connecting pipe.

In some embodiments, a limiting rope is arranged in the accommodating groove.

In some embodiments, the receiving groove extends along the length of the outboard element and has a length less than the length of the outboard element, and the receiving groove has a cross-sectional area less than the cross-sectional area of the outboard element.

In some embodiments, a plurality of hard cylinders are coaxially distributed along the length of the hose.

In some embodiments, a temperature measuring patch is arranged on the outer side of the infusion tube, and a flow speed regulator is further arranged on the infusion tube.

In some embodiments, the flow rate regulator comprises:

the mounting block is provided with a channel for the infusion tube to pass through;

the rotating wheel is rotatably arranged in the channel of the mounting block and is divided into a first part and a second part which are the same in size;

a plurality of arc limiting blocks distributed on the outer side of the whole body of the first part;

the plurality of dropping speed marks are distributed on the second part and are arranged corresponding to the plurality of circular arc limiting blocks, each circular arc limiting block and the corresponding dropping speed mark are positioned on the same diameter, and the diameter is the diameter of the rotating wheel.

In some embodiments, the color of a plurality of the drop rate markers is different.

In some embodiments, the design distances from one end of the arc limiting blocks far away from the rotating wheel to the circle center of the rotating wheel are not equal.

In some embodiments, the number of the circular arc limiting blocks is four, and the circular arc limiting blocks are distributed clockwise according to the size of the designed distance.

The beneficial effects that technical scheme that this application provided brought include:

the embodiment of the application provides an infusion apparatus for improving comfort level of a patient, as the external piece is provided with a containing groove for the needle head assembly to move; the hose is coaxially arranged on the end part of the external piece and is communicated with the accommodating groove; when the needle head assembly is connected with the external piece, the needle tube is arranged in the hose in a penetrating way, the connecting tube is positioned in the accommodating groove, and the locking piece locks or loosens the connecting tube. When the structure is used for puncturing skin and blood vessel walls, the needle tube is positioned in the hose to form a whole, so that the hose can also enter the blood vessel walls, and after the skin and the blood vessel walls are punctured, the needle tube is retracted to a part, and the needle point part is retracted into the hose; or after the skin and vessel walls are pierced, the flexible tube is pushed forward to cover the needle tip.

The structure above utilizes the hose to bend to wrap the needle tip, can bend in the swing process, can not puncture the vessel wall, also protect the rigid needle tip in addition, thereby avoid the swing excessively to lead to the rigid needle to make the needle head prick the vessel inner wall easily, cause the problem of the bulge of needle insertion department.

In addition, the external piece and the hose can be matched with the existing needle to be used, which is equivalent to a detachable part, and the application range is enlarged.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an infusion set for improving patient comfort provided in an embodiment of the present application;

FIG. 2 is a schematic illustration of the coupling of an external member and a needle assembly provided in an embodiment of the present application;

FIG. 3 is a schematic illustration of the connection of a hose to a syringe according to an embodiment of the present application;

fig. 4 is a schematic structural diagram of a flow rate regulator according to an embodiment of the present application.

In the figure: 1. a needle assembly; 100. a needle tube; 101. a connecting pipe; 102. a hand-held part; 103. a second limiting hole; 2. an external member; 200. a first limiting hole; 3. a hose; 4. a receiving groove; 5. a limit rope; 6. a locking member; 7. an infusion tube; 8. a temperature measuring patch; 9. a flow rate regulator; 900. a mounting block; 901. a rotating wheel; 902. an arc limiting block; 903. marking the dripping speed; 10. a hard cylinder.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present application based on the embodiments herein.

Referring to fig. 1-3, an infusion set for improving patient comfort, comprising: the needle assembly 1 comprises a connecting pipe 101, a needle tube 100 and a handheld part 102, wherein the needle tube 100 is coaxially connected with the connecting pipe 101, and the handheld part 102 is connected to the connecting pipe 101; the connecting pipe 101 is also connected with a transfusion pipe 7;

an external part 2, on which a containing groove 4 for the needle head assembly 1 to move is arranged;

a hose 3 coaxially installed on an end of the exterior member 2 and communicating with the receiving groove 4; a locking member 6 provided on the exterior member 2 and extending into the accommodation groove 4; when the needle tube 100 is inserted into the hose 3 and the connection tube 101 is positioned in the receiving groove 4, the locking member 6 locks or unlocks the connection tube 101. The hose 3 should be made of a material which has good toughness and is not easy to break.

The external piece 2 is provided with a containing groove for the needle head assembly 1 to move; the hose 3 is coaxially arranged on the end part of the external piece 2 and is communicated with the accommodating groove 4; the limiting rope 5 is arranged in the accommodating groove 4; when the needle head assembly 1 is connected with the external part 2, the needle tube 100 is penetrated in the hose 3, and the connecting tube 101 is positioned in the accommodating groove 4 and is connected with the limiting rope 5.

Because the external piece 2 is provided with the accommodating groove 4 for the needle head assembly 1 to move; the hose 3 is coaxially arranged on the end part of the external piece 2 and is communicated with the accommodating groove 4; when the needle assembly 1 is connected with the external part 2, the needle tube 100 is arranged in the hose 3 in a penetrating way, the connecting tube 101 is positioned in the accommodating groove 4, and the locking part 6 locks or unlocks the connecting tube 101. When the structure is used for puncturing skin and blood vessel walls, the needle tube 100 is positioned in the hose 3 to form a whole, so that the hose 3 can also enter the blood vessel walls, and after the skin and the blood vessel walls are punctured, the needle tube 100 is retracted to a part, and the needle tip part is retracted into the hose 3; or after the skin and vessel walls have been pierced, the hose 3 is pushed forward to cover the needle tip.

The structure above utilizes hose 3 to can bend to wrap up the needle point, can bend in the swing in-process, can not puncture the vascular wall, also protect the needle point of stereoplasm in addition, thereby avoid the swing excessively to lead to the needle point to make the syringe needle prick the vascular inner wall easily, cause the problem of puncture department swell.

In addition, the external part 2 and the hose 3 can be matched with the existing needle for use, and can be discarded after use, and the external part 2 and the hose 3 are disposable products, which are equivalent to a detachable part, so that the application range is enlarged.

In some preferred embodiments, the following description is given of the structure of the locking member 6:

first, the locking piece 6 adopts a limiting rod; the external piece 2 is provided with a first limiting hole 200; the connecting pipe 101 is provided with a second limiting hole 103 corresponding to the first limiting hole 200; when the limiting rod penetrates through the first limiting hole 200 and the second limiting hole 103, the external piece 2 is locked with the connecting pipe 101.

Second, the locking piece 6 adopts a threaded rod; the external piece 2 is provided with a first limiting hole 200 in threaded connection with the threaded rod; when the threaded rod is connected with the first limiting hole 200 and abuts against the outer wall of the connecting pipe 101, the external piece 2 is locked with the connecting pipe 101.

With the above arrangement, the locking member 6 may be a member capable of restricting the position of the connection pipe 101. Including but not limited to the two above forms of mating and abutment.

In some preferred embodiments, the above structure has two modes of operation:

first, in this form, the locking member 6 locks when the skin and the vessel wall are pierced; after the needle insertion is finished, the locking piece 6 is unlocked, the needle tube 100 is pulled back by hand, the needle tube 100 is retracted, and the needle point of the needle tube 100 is covered by the hose 3.

On the basis, the limiting rope 5 is arranged in the accommodating groove 4, and the limiting rope 5 has the function of avoiding the overlarge retraction range of the needle tube 100, and the limiting rope 5 has no elasticity, so that the maximum retraction distance of the needle tube 100 can be limited, and the situation that the needle tube 100 falls off from the needle insertion position is also prevented.

In some preferred embodiments, the receiving slot 4 extends along the length of the outboard element 2 and has a length less than the length of the outboard element 2, and the cross-sectional area of the receiving slot 4 is less than the cross-sectional area of the outboard element 2. This arrangement provides both an opening position for the receiving groove 4 and an installation position for the locking member 6.

Second, the hose 3 is pushed forward by hand, so in this form, the locking member 6 is locked when the skin and the vessel wall are pierced, and the locking member 6 is unlocked after the needle insertion is completed, so that the hose 3 is pushed forward to cover the needle tip. Also on the basis of the second form, the limiting rope 5 is also arranged in the accommodating groove 4, and the limiting rope 5 has the function of avoiding the overlarge forward pushing distance of the hose 3, and the limiting rope 5 has no elasticity, so that the maximum forward pushing distance of the hose 3 can be limited, and the situation of preventing the hose 3 from being separated from the connecting pipe 101 and falling is also played.

In the above two structures, the setting positions of the first limiting holes 200 are different or the same; namely, the first limiting hole 200 is arranged on the side surface of the external piece 2 near one end of the hose 3 or on the side surface of the external piece 2 far from one end of the hose 3 during manufacturing; in actual production, the selection is made as required.

In some preferred embodiments, a plurality of rigid cylinders 10 are provided within the hose 3, coaxially distributed along its length. The hard cylinder 10 is arranged so that when the hose 3 and the needle tube 100 are matched for puncturing the blood vessel, the hose 3 cannot be inserted into the blood vessel without wrinkling and everting.

In some preferred embodiments, the connecting tube 101 is connected with an infusion tube 7, and a temperature measuring patch 8 is arranged outside the infusion tube 7. The temperature measuring patch 8 is an existing product in the related art, and is arranged to reflect the temperature of the infused liquid so as to remind infusion staff that the infused liquid exceeds the normal temperature, thereby carrying out corresponding.

As shown in fig. 1 and 4, in some preferred embodiments, the infusion tube 7 is provided with a flow rate regulator 9, and the flow rate regulator 9 includes:

the mounting block 900 is provided with a channel for the infusion tube 7 to pass through; a runner 901 rotatably provided in a passage of the mounting block 900, the runner 901 being divided into a first portion and a second portion of the same size; a plurality of arcuate stops 902 distributed on the outside of the first portion around the body;

a plurality of drop rate markers 903 distributed on the second portion and disposed in correspondence with a plurality of arcuate stop blocks 902, each arcuate stop block 902 being located on the same diameter as the corresponding drop rate marker 903, the diameter being that of the wheel 901.

The above arrangement has the advantages that the number of the circular arc limiting blocks 902 is the number of the adjusting gears, and the adjusting gears are matched with the dripping speed marks 903 to display, so that the dripping speed does not need to be adjusted according to experience, the adjusting is directly carried out, and the quick reading is accurate.

Further, the plurality of drop rate markers 903 are different in color, so that identification is facilitated.

Further, the design distances from the end of the circular arc limiting blocks 902 far away from the rotating wheel 901 to the center of the rotating wheel 901 are all unequal, the design distance determines the dropping speed of the liquid, and the liquid can be designed in the design stage, namely, the liquid drops drop down in one minute under different design distances. It can also be understood that the radius of each circular arc stopper 902 is the design distance.

Further, the number of the circular arc limiting blocks 902 is four, and the circular arc limiting blocks are distributed along the circumferential direction of the rotating wheel 901, namely, the circular arc limiting blocks are distributed from large to small or from small to large clockwise according to the design distance, so that the flow speed regulator 9 has four regulating gears. The method comprises the following steps:

first gear: 30 drops/min; second gear: 40 drops/min; third gear: 50 drops/min; fourth gear: 60 drops/min;

the four gears are gears with higher comfort level for the human body to carry out transfusion.

In the description of the present application, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description of the present application and simplification of the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

It should be noted that in this application, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is merely a specific embodiment of the application to enable one skilled in the art to understand or practice the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An infusion set for improving patient comfort, comprising:

the needle head assembly (1) comprises a connecting pipe (101), a needle tube (100) and a handheld part (102), wherein the needle tube (100) is coaxially connected with the connecting pipe (101), and the handheld part (102) is connected to the connecting pipe (101); the connecting pipe (101) is also connected with a transfusion pipe (7);

an external part (2) which is provided with a containing groove (4) for the needle head assembly (1) to move;

a hose (3) coaxially mounted on the end of the external member (2) and communicating with the accommodation groove (4);

the locking piece (6) is arranged on the external piece (2) and extends into the accommodating groove (4);

when the needle tube (100) is arranged in the hose (3) in a penetrating way, and the connecting pipe (101) is positioned in the accommodating groove (4), the locking piece (6) locks or unlocks the connecting pipe (101).

2. The patient comfort enhancement infusion set of claim 1, wherein:

the locking piece (6) adopts a limiting rod; the external piece (2) is provided with a first limiting hole (200); a second limiting hole (103) corresponding to the first limiting hole (200) is formed in the connecting pipe (101); when the limiting rod penetrates through the first limiting hole (200) and the second limiting hole (103), the external piece (2) is locked with the connecting pipe (101); or alternatively, the first and second heat exchangers may be,

the locking piece (6) adopts a threaded rod; the external piece (2) is provided with a first limiting hole (200) in threaded connection with the threaded rod; when the threaded rod is connected with the first limiting hole (200) and abuts against the outer wall of the connecting pipe (101), the external piece (2) is locked with the connecting pipe (101).

3. The patient comfort enhancement infusion set of claim 1, wherein:

a limiting rope (5) is arranged in the accommodating groove (4).

4. The patient comfort enhancement infusion set of claim 1, wherein:

the accommodating groove (4) extends along the length direction of the external piece (2), the extending length is smaller than the length of the external piece (2), and the cross section area of the accommodating groove (4) is smaller than the cross section area of the external piece (2).

5. The patient comfort enhancement infusion set of claim 1, wherein:

a plurality of hard cylinders (10) which are coaxially distributed along the length direction of the hose (3) are arranged in the hose.

6. The patient comfort enhancement infusion set of claim 1, wherein:

the outside of the infusion tube (7) is provided with a temperature measuring patch (8), and the infusion tube (7) is also provided with a flow speed regulator (9).

7. The infusion set for improving patient comfort according to claim 6, wherein the flow rate regulator (9) comprises:

the mounting block (900) is provided with a channel for the infusion tube (7) to pass through;

a runner (901) rotatably disposed in the channel of the mounting block (900), the runner (901) being divided into a first portion and a second portion of equal size;

a plurality of arcuate stops (902) distributed on the outside of the first portion around the body;

and a plurality of drop rate marks (903) distributed on the second portion and disposed corresponding to the plurality of arc stoppers (902), each arc stopper (902) being located on the same diameter as the corresponding drop rate mark (903), the diameter being the diameter of the wheel (901).

8. The patient comfort infusion set of claim 7, wherein:

the plurality of the drop rate markers (903) are different in color.

9. The patient comfort infusion set of claim 7, wherein:

the design distances from one end of the arc limiting blocks (902) far away from the rotating wheel (901) to the circle center of the rotating wheel (901) are unequal.

10. The patient comfort infusion set of claim 9, wherein:

the number of the arc limiting blocks (902) is four, and the arc limiting blocks are distributed clockwise from large to small or from small to large according to the size of the designed distance.