CN206492057U - Vein detaining needle for fluids infusion conduit elastic force protective case - Google Patents

Abstract

The utility model discloses an elastic protective cover for an intravenous indwelling transfusion catheter. The protective cover includes a cylindrical sheath body, and the sheath body surrounds accommodating cavities with openings at both ends; The window on the sheath body is used to form a channel communicating with the accommodating chamber and the outside world; a cover body is provided in conjunction with the window to selectively open or close the channel. The utility model provides the elastic protective cover for intravenous indwelling infusion catheter, which can directly observe the situation of the patient's puncture site through the set window, and at the same time cooperate with the cover body to infuse the patient without taking off the sheath, and the cover can be closed after the operation is completed body to avoid contamination of the puncture site. In addition, it has a certain preventive effect on limb swelling and thrombus formation that may occur at the initial stage of venipuncture indwelling infusion catheters.

Description

Indwelling Infusion Catheter Elastic Protective Sleeve

technical field

The utility model belongs to the field of medical appliances, in particular to an elastic protective cover for an intravenous indwelling transfusion catheter.

Background technique

In medical care, intravenous indwelling needles are usually used to establish long-term infusion channels for patients who need long-term intravenous infusion, so as to ensure that patients in critical care, chemotherapy and long-term infusion of high-concentration drugs can be treated in a timely manner, reducing repeated venipuncture The pain brought to the patient also relieved the great difficulty encountered by the nurse during the daily infusion. The traditional fixation method of intravenous indwelling needle is to fix the indwelling needle on the puncture site with a transparent applicator after the indwelling needle is successfully punctured, and fix the extension tube and infusion joint on the skin surface of the punctured limb with adhesive plaster. The adhesive tape is not very viscous and the coverage is limited. At the same time, many factors such as skin sweating or moisture are affected by the patient's dressing and other activities. It is easy to cause the edge of the transparent application to curl or detach from the skin, causing the indwelling needle to slip off, and the patient needs to be punctured again. , thereby increasing the workload of medical care and reducing patient satisfaction; when some patients go out for social activities, the indwelling needle tube is pasted on the arm, which is not beautiful and inconvenient, but also causes psychological pressure on the patient, and also causes Pollution of intravenous indwelling needles will adversely affect the patient's next infusion. At present, most of the methods to solve the above problems clinically are fixed with elastic bandages and elastic net caps to prevent the indwelling needle from falling off.

The above fixing methods have the following problems: elastic bandages and elastic mesh caps are fixedly inconvenient for observation, and each observation requires medical personnel to unfix before carrying out, which increases the work steps of medical personnel.

Contents of the invention

The purpose of this utility model is to provide an elastic protective sleeve for intravenous indwelling infusion catheters that can directly observe the puncture position and need not be separated during infusion, aiming at the defects of the traditional fixing method of elastic protective sleeves for indwelling intravenous infusion catheters.

In order to achieve the above purpose, an elastic protective sleeve for an intravenous indwelling infusion catheter provided by an embodiment of the present invention includes:

The sheath body is set in a cylindrical shape, the sheath body includes a first end and a second end, and the two ends of the siege respectively have open accommodating cavities;

A window is arranged on the sheath body to form a passage connecting the accommodating cavity with the outside world;

The cover is configured to cooperate with the window to selectively open or close the passage, wherein

The cover body is provided with a first locking part, and the sheath body is provided with a second locking part corresponding to the first locking part. When the cover body opens the channel, the The first locking part can cooperate with the second locking part, so that the cover body is fixed on the sheath body away from the window.

As a further improvement of an embodiment of the present invention, the cover body includes a first side, and the first side is always connected with the sheath body.

As a further improvement of an embodiment of the present utility model, a connection device is provided between the cover and the sheath, and the connection device is surrounded at least part of the peripheral edge of the window. When the cover When the channel is closed, the connecting device can at least make the second side of the cover body opposite to the first side fixedly connected to the sheath body.

As a further improvement of an embodiment of the present utility model, the connecting device is a zipper.

As a further improvement of an embodiment of the present utility model, the cover is set to be transparent or translucent.

As a further improvement of an embodiment of the present utility model, the first locking part and the second locking part are arranged to adhere to each other.

As a further improvement of an embodiment of the present utility model, tightening devices with different elastic strengths are respectively provided at both ends of the sheath body.

As a further improvement of an embodiment of the present invention, the sheath body is set as a Lycra fabric or cotton silk fabric with a gradual pressure gradient, and the pressure of the sheath body is from the first end to the second end. terminal decrement.

As a further improvement of an embodiment of the present utility model, the cover is set as a medical-grade silicone film.

Compared with the prior art, the utility model has the following beneficial technical effects: it can be used to fix and protect the intravenous indwelling needle and infusion joint when setting the indwelling needle and infusion in medical treatment, and the window is provided to directly observe the situation of the puncture site of the patient In order to deal with it in time; it is also equipped with a cover that can be opened or closed in conjunction with the window. When infusion is given to the patient, it is not necessary to take off the sheath. The cover can be opened to operate, and the cover can be closed after the operation is completed. body to avoid contamination of the puncture site. In addition, it has a certain preventive effect on limb swelling and thrombus formation that may occur at the initial stage of venipuncture indwelling infusion catheters.

Description of drawings

Fig. 1 is a schematic structural view of an elastic protective sleeve of an intravenous indwelling infusion catheter according to an embodiment of the present invention;

Fig. 2 is a schematic diagram of the state when the cover body of the elastic protective sleeve of the intravenous indwelling infusion catheter is opened according to an embodiment of the present invention.

Fig. 3 is a schematic diagram of the use state of the elastic protective sleeve of the intravenous indwelling infusion catheter according to an embodiment of the present invention.

detailed description

The utility model will be described in detail below in conjunction with the embodiments shown in the accompanying drawings. However, this embodiment does not limit the present utility model, and any structural, method, or functional changes made by those skilled in the art according to this embodiment are included in the protection scope of the present utility model.

As shown in FIG. 1 , the structure of an elastic protective sheath 1 for an indwelling indwelling infusion catheter according to an embodiment of the present invention is described.

The sheath body 10 is configured in a cylindrical shape, includes a first end 11 and a second end 12 , and encloses an accommodating cavity (not shown in the figure) with openings at both ends. The window 20 is disposed on the sheath body 10 to form a channel 21 communicating the accommodating chamber with the outside world. The cover 30 is arranged in conjunction with the window 20, and can be used to selectively open or close the passage 21, wherein, when the cover 30 opens the passage 21, the container can be entered and exited through the passage 21. cavity for medical procedures.

The elastic protective cover for intravenous indwelling infusion catheter in one embodiment of the present invention can be worn by patients on the arm. When the intravenous infusion is not needed, the cover 30 can close the channel 21 to protect and cover the indwelling vein. Infusion catheter elastic protective sleeve, and avoid contamination; when medical operations are required, the cover 30 can be opened through the window 20 to directly operate or observe the puncture site of the patient, and at the same time cooperate with the cover 30, no need for infusion to the patient Take off the sheath 1.

In this embodiment, the first side of the cover body 30 is always connected to the sheath body 10, and when the cover body 30 is opened, the cover body 30 is always connected to the sheath body 10, So that the cover 30 is not easy to be lost or dropped to cause pollution.

Referring to FIG. 2 , the first side of the cover 30 is connected to one side around the window 20 .

The elastic protective sleeve 1 of the intravenous indwelling infusion catheter also includes a connection device 40, which is arranged between the cover body 30 and the sheath body 10, and is used to connect and fix the cover body 30 and the cover body 10. The sheath body 10 is described. Further, the cover body 30 includes a second side opposite to the first side, and the connecting device 40 is surrounded at least part of the peripheral edge of the window 20 and is used for when the cover body 30 When the channel 21 is closed, the connection means 40 can at least securely connect the second side to the sheath body 10 .

Specifically, in the example of the drawings, the window 20 is set in a rectangle, the first side of the cover is set on one side of the rectangular window 20, and the connecting device 40 is set around the remaining three edges of the window 20 When the cover body 30 is closed, the cover body 30 can be fixedly connected to the sheath body 10 through the connection device 40. In this embodiment, the connection device 40 is a zipper. The cover body 30 is fixed on the sheath body 10, which can better fix the puncture site and prevent the catheter from coming out easily.

In this embodiment, the cover 30 can be set to be transparent or translucent, so that during medical care, medical personnel can directly observe the situation of the patient's puncture site without opening the cover 30, which is more convenient and practical. Furthermore, in this embodiment, the cover 30 is set as a medical-grade silicone film, which is soft and comfortable to contact with human skin without causing skin allergies.

As shown in FIG. 1 and FIG. 2 , the cover body 30 is provided with a first locking portion 31 , the locking portion is disposed at a position away from the first side of the cover body 30 , and the sheath body 10 is provided with There is a second locking portion 13 corresponding to the first locking portion 31 . When the cover 30 opens the passage 21, the cover 30 can be fixed on the sheath body 10 through the cooperation of the first locking part 31 and the second locking part 13, away from the window. At 20, the displacement of the cover body 30 can be restricted to prevent medical personnel from causing inconvenience when operating on the puncture site. In this embodiment, the first locking part 31 is provided on the outer surface of the cover body 30 , the cover body 30 can be turned over along the first side position, and is fixed by the first locking part 31 connected to the second locking part.

In this embodiment, the first locking part 31 and the second locking part 13 are mated by mutual adhesion, for example, glued connection.

Fig. 3 is a schematic diagram of the use state of the elastic protective sleeve 1 of the intravenous indwelling infusion catheter of the present invention. Both the first end 11 and the second end 12 are provided with elastic tightening devices. In this embodiment, the first end The elastic strength of the elastic tightening device provided at 11 is greater than the elastic strength of the elastic tightening device provided at the second end 12 . In actual use, for example, when the elastic protective sleeve 1 of the intravenous indwelling infusion catheter is used on a human arm, the first end 11 is arranged on the end of the arm away from the heart, and correspondingly, the second end 12 is arranged on the arm On the one hand, the end close to the heart can promote blood to flow toward the heart, so that congestion is not easy to occur due to the obstruction of blood return, and on the other hand, the elastic protective sleeve 1 of the intravenous indwelling infusion catheter is not easy to loosen. Further, the elastic tightening device can be set to be elastic.

Further, in this embodiment, the sheath body 10 is set as a Lycra fabric or cotton silk fabric with a gradual pressure gradient, and the pressure of the sheath body 10 is from the first end 11 to the second end. The two ends 12 decrease gradually, that is, the first end 11 is located at the distal end of the limb relative to the second end 12. The pressure mentioned in this embodiment refers to the effect between the sheath body 10 and the using limb. The decremental change of the pressure can promote the blood return of the upper limbs, and reduce the limb swelling or venous thrombosis caused by tissue damage in the early stage of puncture or insufficient limb activity in some patients.

Compared with the prior art, the utility model has the following beneficial technical effects: the window 20 for fixing and protecting the intravenous infusion catheter and the infusion joint can be set in medical treatment, and the situation at the puncture site of the patient can be directly observed for timely treatment; There is a cover 30 that can be opened or closed in conjunction with the window 20, and the sheath 1 does not need to be taken off when infusing the patient. The cover 30 can be opened to operate, and the cover 30 can be closed after the operation is completed to avoid contamination of the puncture site. In addition, it has a certain preventive effect on limb swelling and thrombus formation that may occur at the initial stage of venipuncture indwelling infusion catheters.

It should be understood that although this description is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the description is only for clarity, and those skilled in the art should take the description as a whole, and each The technical solutions in the embodiments can also be properly combined to form other embodiments that can be understood by those skilled in the art.

The series of detailed descriptions listed above are only specific descriptions of the feasible implementation modes of the present utility model, and are not intended to limit the protection scope of the present utility model. Any equivalent implementation that does not depart from the technical spirit of the present utility model Ways or changes should be included within the protection scope of the present utility model.

Claims (9)

1. An elastic protective sleeve for intravenous indwelling infusion catheter, characterized in that, comprising: The sheath body is arranged in a cylindrical shape, the sheath body includes a first end and a second end, and encloses accommodating cavities with openings at both ends; A window is arranged on the sheath body to form a passage connecting the accommodating cavity with the outside world; The cover is configured to cooperate with the window to selectively open or close the passage, wherein The cover body is provided with a first locking part, and the sheath body is provided with a second locking part corresponding to the first locking part. When the cover body opens the channel, the The first locking part can cooperate with the second locking part, so that the cover body is fixed on the sheath body away from the window. 2 . The elastic protective sheath for an indwelling intravenous infusion catheter according to claim 1 , wherein the cover body includes a first side, and the first side is always connected to the sheath body. 3 . 3. The elastic protective sheath of intravenous indwelling infusion catheter according to claim 2, characterized in that, a connection device is arranged between the cover body and the sheath body, and the connection device surrounds the peripheral edge of the window At least part of the cover body, when the cover body closes the channel, the connecting device can at least make the second side of the cover body opposite to the first side be fixedly connected to the sheath body. 4. The elastic protective sheath of an intravenous indwelling infusion catheter according to claim 3, wherein the connecting device is a zipper. 5 . The elastic protective sheath of an intravenous indwelling infusion catheter according to claim 1 , wherein the cover body is set to be transparent or translucent. 6 . 6 . The elastic protective sleeve of an intravenous indwelling infusion catheter according to claim 1 , wherein the first locking portion and the second locking portion are set to adhere to each other. 7 . 7 . The elastic protective sheath for an indwelling intravenous infusion catheter according to claim 1 , wherein tightening devices with different elastic strengths are respectively provided at both ends of the sheath body. 8 . 8. The elastic protective sheath of intravenous indwelling infusion catheter according to claim 1, characterized in that, said sheath body is set to Lycra fabric or cotton fiber silk fabric with progressive pressure gradient, and the pressure of said sheath body is determined by The first end decreases toward the second end. 9. The elastic protective sleeve of an intravenous indwelling infusion catheter according to claim 1, wherein the cover body is set as a medical-grade silicone film.