CN211535890U - Internal jugular vein dialysis catheter fixing device - Google Patents

Internal jugular vein dialysis catheter fixing device Download PDF

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Publication number
CN211535890U
CN211535890U CN201922012998.8U CN201922012998U CN211535890U CN 211535890 U CN211535890 U CN 211535890U CN 201922012998 U CN201922012998 U CN 201922012998U CN 211535890 U CN211535890 U CN 211535890U
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CN
China
Prior art keywords
fixing
shell
internal jugular
jugular vein
adjusting
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Expired - Fee Related
Application number
CN201922012998.8U
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Chinese (zh)
Inventor
刘永飞
赵贵锋
陈�峰
闫斌
刘佳
赵素民
张轶群
刘学妮
康伟民
李燕妮
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Rocket Force Characteristic Medical Center of PLA
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Rocket Force Characteristic Medical Center of PLA
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Priority to CN201922012998.8U priority Critical patent/CN211535890U/en
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Publication of CN211535890U publication Critical patent/CN211535890U/en
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Abstract

The utility model discloses a fixing device for an internal jugular vein dialysis catheter, which comprises a head hoop, a fixing part and an adjusting part; the head band comprises a first shell, a second shell and an elastic framework arranged in an interlayer of the first shell and the second shell; the surface of one end of the second shell is provided with an opening, one end of the elastic framework is exposed out of the opening, and the other end of the elastic framework is fixedly connected with one end of the adjusting part; the fixing part is arranged at the end part of the first shell and is used for fixing the free end of the venous dialysis tube; the adjusting part comprises an adjusting piece, a first fixing structure and a second fixing structure; the adjusting piece is made of elastic material; the non-adjustable end of the adjusting piece is fixed at one end of the second shell, and the adjustable end of the adjusting piece is connected with the first fixing structure; the second fixing structure is fixed in the middle of the second shell; the first fixing structure and the second fixing structure can be mutually matched to fix the adjustable end of the adjusting piece to the second shell, and the adjusting piece is stretched to further pull one end of the second shell, so that the clamping force applied by the head band is changed.

Description

Internal jugular vein dialysis catheter fixing device
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a fixing device for an internal jugular vein dialysis catheter.
Background
Hemodialysis plays an important role in chronic renal failure patients. Hemodialysis generally establishes a circulation path in a blood vessel, is easy to use through a long-term cannula of an internal jugular vein, has long retention time, and can provide a proper path for medium-term and long-term hemodialysis. Current internal jugular vein dialysis tubing is typically indwelling (fixed) in the internal jugular vein on one end and external to the neck on the other end. In the use, when the neck removed, the outer one end of neck appeared buckled easily, influenced the fixed stability of remaining end in the neck easily moreover. Once the fixed instability of the indwelling end in the neck occurs, the bleeding of the wound, the unsmooth catheter and even the thrombus are possibly caused.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention is directed to a device for fixing the free end of a venous dialysis catheter.
Based on the above purpose, the utility model provides an internal jugular vein dialysis catheter fixing device, which comprises a head hoop, a fixing part and an adjusting part;
the head band comprises a first shell, a second shell and an elastic framework arranged in an interlayer of the first shell and the second shell; an opening is formed in the surface of one end of the second shell, one end of the elastic framework is exposed out of the opening, and the other end of the elastic framework is fixedly connected with one end of the adjusting part;
the fixing part is arranged at the end part of the first shell and is used for fixing the free end of the venous dialysis tube;
the adjusting part comprises an adjusting piece, a first fixing structure and a second fixing structure; the adjusting piece is made of elastic material; the non-adjustable end of the adjusting piece is fixed at one end of the second shell, and the adjustable end of the adjusting piece is connected with the first fixing structure; the second fixing structure is fixed in the middle of the second shell; the first fixing structure and the second fixing structure can be matched with each other to fix the adjustable end of the adjusting piece to the second shell, and the adjusting piece is stretched to pull one end of the second shell so as to change the clamping force applied by the head band.
In one embodiment, the fixing portion is a hollow tube body, the tube body is used for the penetration of the venous dialysis tube and is arranged coaxially with the venous dialysis tube, and the outer wall of the tube body is fixedly connected with the end portion of the outer wall of the first shell.
In one embodiment, the diameter of the tube body is slightly larger than that of the intravenous dialysis tube, and the inner wall of the tube body is provided with at least one of a frosted structure, a raised structure and a texture structure.
In one embodiment, the fixing portion is a wire fixing clip, the wire fixing clip includes a first connecting portion, a protruding portion and a second connecting portion, an accommodating space is formed between the protruding portion and the first housing, the accommodating space is used for penetrating through a free end of the hemodialysis tube, and the first connecting portion and the second connecting portion are bonded to an end portion of an outer wall of the first housing.
In one embodiment, the two fixing portions are provided, and the two fixing portions are respectively provided at two opposite ends of the first housing of the head band.
In one embodiment, one end of the adjusting piece is fixed at one end of the second shell through a first clamp; the second fixing structure is fixed in the middle of the second shell through a second hoop.
In one embodiment, the number of the second fixing structures is at least two; at least two second fixing structures are uniformly distributed and fixed in the middle of the head band.
In one embodiment, the adjustment member is a rubber strip.
In one embodiment, the first securing structure is a male buckle; the second fixing structure is a female buckle.
In one embodiment, the first fixing structure of the adjusting part is a chuck; the second fixing structure of the adjusting part is a clamping groove.
From the above, can see out, the utility model provides an internal jugular vein dialysis catheter fixing device can fix the free end of internal jugular vein dialysis catheter on the head hoop to first mounting and second mounting through in the regulating part can mutually support the adjustable end of regulating part and be fixed in the head hoop, and tensile regulating part makes it produce deformation and then stimulate the one end of head hoop, makes the head hoop produce deformation and further changes the clamping-force that the head hoop was applyed, thereby can be applicable to the crowd of different head girths size. The fixing device has the advantages of simple structure, convenient use, capability of effectively fixing the internal jugular vein dialysis tube and wide application range; meanwhile, the adjusting part is flexible to disassemble and soft in material, and comfortable wearing experience can be brought when the adjusting part is applied to the head.
Drawings
Fig. 1 is a first schematic structural view of an internal jugular vein dialysis catheter fixing device according to an embodiment of the present invention;
FIG. 2 is a second schematic structural view of the internal jugular vein dialysis catheter fixing device according to the embodiment of the present invention;
fig. 3 is a third schematic structural view of the internal jugular vein dialysis catheter fixing device according to the embodiment of the present invention;
fig. 4 is a first schematic structural diagram of an adjusting portion according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a second adjusting portion according to an embodiment of the present invention;
the first shell 1, the second shell 2, the elastic framework 3, the fixing portion 4, the first connecting portion 41, the protruding portion 42, the second connecting portion 43, the adjusting piece 5, the first fixing structure 6, the second fixing structure 7, the first detachable connecting piece 8 and the second detachable connecting piece 9.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it is understood that "first" and "second" are only used for convenience of expression and should not be understood as limitations to the embodiments of the present invention, and the following embodiments do not describe any more.
The utility model discloses an inventor discovers in long-term medical care working process, and the internal jugular vein dialysis catheter that present hemodialysis was used does not have the one end of staying in the neck, takes place to buckle easily, and can influence and keep somewhere fixed stability, has very big potential safety hazard, for example the wound is bled, and the pipe is not smooth, arouses complications such as thrombus even.
The utility model discloses an inventor has invented a wear-type internal jugular vein dialysis catheter fixing device, can wear the head hoop at the head, sets up the fixed part that is used for fixing the free end of internal jugular vein dialysis catheter at the tip that the head hoop is close to the neck, can conveniently fix the free end of internal jugular vein dialysis catheter reliably, effectively prevents the buckling of internal jugular vein dialysis catheter free end, improves the fixed stability of internal jugular vein dialysis catheter.
As shown in fig. 1 to 3, an embodiment of the present invention provides an internal jugular vein dialysis catheter fixing device, which includes a head band, a fixing portion 4 and an adjusting portion;
the head band comprises a first shell 1 and a second shell 2 which are made of flexible materials, and an elastic framework 3 arranged in an interlayer of the first shell 1 and the second shell 2; an opening is formed in the surface of one end of the second shell 2, one end of the elastic framework 3 is exposed out of the opening, and the other end of the elastic framework 3 is fixedly connected with one end of the adjusting part;
the fixing part 4 is arranged at the end part of the first shell 1 and is used for fixing the free end of the venous dialysis tube;
the adjusting part is arranged on the surface of the second shell 2 and comprises an adjusting piece 5, a first fixing structure 6 and a second fixing structure 7; the adjusting piece 5 is made of elastic material; the non-adjustable end of the adjusting piece 5 is fixed at one end of the second shell 2, and the adjustable end of the adjusting piece 5 is connected with the first fixing structure 6; the second fixing structure 7 is fixed in the middle of the second shell 2; the first fixing structure 6 and the second fixing structure 7 can cooperate with each other to fix the adjustable end of the adjusting member 5 to the second housing 2, and stretch the adjusting member 5 to pull one end of the second housing 2, so as to change the clamping force applied by the head band.
The embodiment of the utility model provides an internal jugular vein dialysis catheter fixing device can fix the free end of internal jugular vein dialysis catheter on the fixed part to first fixed knot construct 6 and second fixed knot construct 7 in the regulating part can mutually support and be fixed in the head hoop with the adjustable end of regulating part 5, and tensile regulating part 5 makes it produce deformation and then stimulate the one end of head hoop, make the head hoop produce deformation and further change the clamping-force that the head hoop was applyed, thereby can be applicable to the crowd of different head girths size. The fixing device has the advantages of simple structure, convenient use, capability of effectively fixing the internal jugular vein dialysis tube and wide application range; meanwhile, the adjusting part is flexible to disassemble and soft in material, and comfortable wearing experience can be brought when the adjusting part is applied to the head.
In one embodiment, the fixing portion 4 may be a hollow tube body for passing a venous dialysis tube. When the venous dialysis tube penetrates through the hollow tube body, the tube body and the venous dialysis tube are coaxially arranged. The diameter of the tube body is slightly larger than that of the intravenous dialysis tube so that the free end of the intravenous dialysis tube can be conveniently inserted or pulled out.
Further, the inner wall of body can set up at least one in dull polish structure, protruding structure and texture structure to the reliability of being connected of the free end of increase vein dialysis tubing and the inner wall of body improves the reliability fixed to the free end of vein dialysis tubing.
Specifically, the pipe body may be fixedly connected to an end portion of an outer wall of the first housing 1. The fixed connection of the tube body to the first housing 1 can be realized in a conventional manner, for example, the tube body is integrally formed with the first housing 1, or the tube body is bonded to the end of the outer wall of the first housing 1.
In another embodiment, the fixing portion 4 may be a wire fixing clip having a receiving groove for fixing a free end of the intravenous dialysis tubing. The holding groove is sized to allow the free end of the hemodialysis tube to freely pass through and be secured.
The wire fixing clip may include a first connection part 41, a protrusion part 42, and a second connection part 43. The first and second connection parts 41 and 43 may be bonded to the end of the outer wall of the first housing 1. An accommodating space is formed between the protruding part 42 and the first shell 1, and the accommodating space is used for penetrating the free end of the venous dialysis tube.
The number of the fixing portions 4 is two, and the two fixing portions 4 are respectively disposed at two opposite ends of the first housing 1 of the head band. When the number of the fixing portions 4 is two, the fixing portions may be both tube bodies or both wire fixing clips, or one of the fixing portions may be a tube body and the other may be a wire fixing clip.
In the head band, the second housing 2 is closer to the head than the first housing 1. The first shell 1 and the second shell 2 are both arc-shaped to adapt to the shape of the head. First casing 1 and second casing 2, all can adopt flexible material to make, and flexible material is easy to be out of shape and the profile of adaptation wearer's head that can be good, gives the wearer good use experience.
Correspondingly, the elastic framework 3 is in a semicircular arc shape, the size of the elastic framework can just be adapted to the inner radian of the shell, and the middle part of the elastic framework 3 is positioned at the same position as the top point of the shell; an opening is formed in one end surface of the second housing 2, and the opening is sized to allow the elastic frame 3 to enter and exit.
Regulating part 5 makes for gentle elastic material, its non-adjustable end is fixed in the one end of head band, the parcel is in the centre of first casing 1 and second casing 2, adjustable end links to each other with first fixed knot constructs 6, because everybody's head encloses the size and the shape respectively differs, gentle elastic material has great elasticity scope, can assist the adjustment range of extension head band, and when great head encloses the person and uses, play the cushioning effect, reduce because the excessive deformation of the head band that the position can not lead to the fact is mastered to the user's dynamics, improve the steadiness and the durability of head band, and gentle elastic material has guaranteed comfortable wearing experience with human contact, wherein preferred can be the rubber strip, the rubber strip not only has good elasticity and soft easy manufacturing, easy acquisition, it is comparatively general to use. Meanwhile, the second fixing structures 7 can be uniformly arranged on the second shell, wherein at least two second fixing structures 7 are positioned in the middle of the second shell; one end of the elastic framework 3 is exposed from the opening, and the unexposed end of the elastic framework 3 is fixedly connected with the non-adjustable end of the adjusting piece 5 through a detachable connecting piece.
The first fixing structure 6 is located on one side of the head band close to the head of the user, namely the surface of the second shell 2, and the second fixing structure 7 is fixed in the middle of the second shell 2, wherein preferably, the first fixing structure 6 can be a male buckle or a clamping head, and the like, and the second fixing structure 7 can be a female buckle or a clamping groove, and the like; the male buckle and the female buckle can be combined with each other to stretch the rubber strip, the clamping head and the clamping groove can also be combined with each other to stretch the rubber strip, and the male buckle, the female buckle, the clamping head and the clamping groove are cooperative connecting components which are wide in application range and flexible and diverse in form combination.
Further, in this embodiment, the non-adjustable end of the rubber strip, that is, the end unconnected with the male buckle, is detachably fixed to one end of the head band by the first detachable connector 8; the female buckle is detachably fixed in the middle of the head band through a second detachable connecting piece 9; when the clamping force of the head band is proper, the rubber strip, the male buckle and the female buckle can be taken down by disassembling the first detachable connecting piece 8 and the second detachable connecting piece 9, so that the wearing process is more convenient; when the head band is still inappropriate to be adjusted by the aid of one rubber strip, the number of the rubber strips can be properly increased by adjusting the first detachable connecting piece 8 or the number of the female buttons can be properly increased by adjusting the second detachable connecting piece 9, and the positions of the female buttons can be adjusted by adjusting the position of the second detachable connecting piece 9, so that the head band is finally suitable for a wearer by the aid of the adjustment, and meanwhile, because the components are easy to detach and install, the structure of the loading end does not need to be changed, the head band can be used for other types of head bands and can be freely combined and applied to other scenes; wherein preferred, the first connecting piece 8 and the second connecting piece 9 of dismantling can be for the clamp, and the clamp is not only convenient dismantlement and easily installation, and the shape is nimble.
Furthermore, in the embodiment, the number of the female buckles is at least two, and the number of the female buckles can be increased through specific conditions, so that the adjustment range of the rubber strip can be increased, the adjustment range of the clamping force of the head band is further increased, and the head band can be suitable for more wearers; at least two female buttons are fixed in the middle of the head band, the distance between the female buttons is kept uniform, so that the adjustment gradient is simpler and clearer, a user can easily control the adjustment range, meanwhile, the middle of the head band is not completely attached to the head of the wearer due to the fact that the head of the user is not completely spherical, and the adjustment process can be simpler and more convenient when part of the female buttons are arranged in the middle of the head band.
Based on the specific embodiment, the specific using process of the internal jugular vein dialysis catheter fixing device is as follows:
after the head band is worn, the male buckle (namely the first fixing structure 6) and the female buckle (namely the second fixing structure 7) at a proper position are buckled with each other to stretch the rubber strip (namely the adjusting piece 5), the position of the combined female buckle (namely the second fixing structure 7) is closer to one end, fixed to the non-adjustable end, of the rubber strip (namely the adjusting piece 5), the rubber strip (namely the adjusting piece 5) is stretched to be longer, the elastic force generated by deformation of the rubber strip (namely the adjusting piece 5) is larger, and the head band is further stretched to enable the head band to generate a larger deformation degree, so that the head band is suitable for the head circumference of a wearer, and the clamping force of the head band just enables the head band to be stable and meanwhile guarantees comfortable wearing experience of the wearer; when the head hoop is not assisted the adjustment itself and just is fit for wearer's head circumference, according to the adjustable clamp of specific needs and take off rubber strip (being regulating part 5), pin thread (being first fixed knot constructs 6) and box (being second fixed knot constructs 7), make the process of wearing simple and convenient more. After the internal jugular vein dialysis catheter is worn, the free end of the internal jugular vein dialysis catheter is inserted into the fixing part 4 (the catheter body or the wire fixing clip), and then the free end of the internal jugular vein dialysis catheter can be fixed.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also combinations between technical features in the above embodiments or in different embodiments are possible, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omission, modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (10)

1. A fixing device for an internal jugular vein dialysis catheter is characterized by comprising a head hoop, a fixing part and an adjusting part;
the head band comprises a first shell, a second shell and an elastic framework arranged in an interlayer of the first shell and the second shell; an opening is formed in the surface of one end of the second shell, one end of the elastic framework is exposed out of the opening, and the other end of the elastic framework is fixedly connected with one end of the adjusting part;
the fixing part is arranged at the end part of the first shell and is used for fixing the free end of the venous dialysis tube;
the adjusting part comprises an adjusting piece, a first fixing structure and a second fixing structure; the adjusting piece is made of elastic material; the non-adjustable end of the adjusting piece is fixed at one end of the second shell, and the adjustable end of the adjusting piece is connected with the first fixing structure; the second fixing structure is fixed in the middle of the second shell; the first fixing structure and the second fixing structure can be matched with each other to fix the adjustable end of the adjusting piece to the second shell, and the adjusting piece is stretched to pull one end of the second shell so as to change the clamping force applied by the head band.
2. The internal jugular vein dialysis tube fixing device according to claim 1, wherein the fixing part is a hollow tube body, the tube body is used for the penetration of the vein dialysis tube and is arranged coaxially with the vein dialysis tube, and the outer wall of the tube body is fixedly connected with the end part of the outer wall of the first shell.
3. The internal jugular vein dialysis tube fixing device according to claim 2, wherein the diameter of the tube body is slightly larger than that of the vein dialysis tube, and the inner wall of the tube body is provided with at least one of a frosted structure, a raised structure and a texture structure.
4. The internal jugular vein dialysis tube fixing device according to claim 1, wherein the fixing portion is a wire fixing clip, the wire fixing clip comprises a first connecting portion, a protruding portion and a second connecting portion, an accommodating space is formed between the protruding portion and the first shell, the accommodating space is used for penetrating through a free end of the vein dialysis tube, and the first connecting portion and the second connecting portion are bonded to the end portion of the outer wall of the first shell.
5. The internal jugular vein dialysis tube fixing device according to any one of claims 1 to 4, wherein the fixing portions are provided in two, and the two fixing portions are respectively provided at two opposite ends of the first housing of the head band.
6. The internal jugular vein dialysis tube fixing device according to claim 1, wherein one end of the adjusting member is fixed to one end of the second housing by a first clamp; the second fixing structure is fixed in the middle of the second shell through a second hoop.
7. The internal jugular vein dialysis tube fixing device according to claim 1, wherein the number of the second fixing structures is at least two; at least two second fixing structures are uniformly distributed and fixed in the middle of the head band.
8. The internal jugular vein dialysis tube fixing device according to claim 1, wherein the adjusting member is a rubber strip.
9. The internal jugular vein dialysis tube fixing device according to claim 1, wherein the first fixing structure is a male buckle; the second fixing structure is a female buckle.
10. The internal jugular vein dialysis tube fixing device according to claim 1, wherein the first fixing structure of the adjusting member is a chuck; the second fixing structure of the adjusting part is a clamping groove.
CN201922012998.8U 2019-11-20 2019-11-20 Internal jugular vein dialysis catheter fixing device Expired - Fee Related CN211535890U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922012998.8U CN211535890U (en) 2019-11-20 2019-11-20 Internal jugular vein dialysis catheter fixing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922012998.8U CN211535890U (en) 2019-11-20 2019-11-20 Internal jugular vein dialysis catheter fixing device

Publications (1)

Publication Number Publication Date
CN211535890U true CN211535890U (en) 2020-09-22

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Application Number Title Priority Date Filing Date
CN201922012998.8U Expired - Fee Related CN211535890U (en) 2019-11-20 2019-11-20 Internal jugular vein dialysis catheter fixing device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113855833A (en) * 2021-10-14 2021-12-31 黑龙江扁雁达生物科技有限公司 Cerebrovascular circulation dynamics analytical equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113855833A (en) * 2021-10-14 2021-12-31 黑龙江扁雁达生物科技有限公司 Cerebrovascular circulation dynamics analytical equipment

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200922

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CF01 Termination of patent right due to non-payment of annual fee