CN213430378U

CN213430378U - Hemodialysis tourniquet

Info

Publication number: CN213430378U
Application number: CN202021819599.9U
Authority: CN
Inventors: 周怡君; 胡化刚
Original assignee: JIANHU PEOPLE'S HOSPITAL
Current assignee: JIANHU PEOPLE'S HOSPITAL
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-06-15
Anticipated expiration: 2030-08-25

Abstract

The utility model relates to a hemodialysis tourniquet, which comprises a telescopic belt body, wherein a first hasp and a second hasp are respectively arranged at two ends of the telescopic belt body, and the first hasp and the second hasp are mutually matched; the telescopic belt body comprises a first tightness adjusting area and a second tightness adjusting area; a control panel is arranged between the first tightness adjusting area and the second tightness adjusting area, the control panel comprises a base and a top cover, the base is fixedly connected with the telescopic belt body, the top cover is rotatably connected with the base, a winding shaft is arranged on the top cover, and inner cavities of the base and the top cover form a locking mechanism; still be provided with first connecting band and second connecting band on the expansion band body, the one end of first connecting band and second connecting band is all fixed on the spool, and the other end of first connecting band is fixed in first elasticity regulatory region, and the other end of second connecting band is fixed in second elasticity regulatory region. The utility model discloses a hemodialysis tourniquet can make things convenient for the patient to adjust loosening and tightening up of tourniquet with one hand.

Description

Hemodialysis tourniquet

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a hemodialysis tourniquet.

Background

In recent years, patients undergoing Maintenance Hemodialysis (MHD) treatment have been increasing. Performing hemodialysis requires the establishment of a suitable vascular access that is a lifeline for the patient undergoing hemodialysis and has a significant impact on the dialysis efficacy and patient survival time. Vascular access can be divided into temporary and permanent vascular access, with intra-arteriovenous fistulization in permanent vascular access being very widely used. In the wide northern upper region of China, when MHD patients are treated, the use rate of arteriovenous internal fistula is up to 87 percent.

There is a close relationship between the related complications or resulting dysfunction that may be caused by arteriovenous fistulas and the increased mortality of MHD patients. Among them, bleeding at the puncture site is one of the common immediate complications of MHD patients, which not only causes the patients to aggravate renal anemia due to blood loss, but also causes the puncture site of the patients to become bluish purple, forming hematoma, and even causing internal fistula embolism. Therefore, effective prevention of bleeding at the puncture site is extremely important for maintaining the physical health of the patient.

Generally, after an arteriovenous internal fistula puncture needle is pulled out under hemodialysis, a tourniquet needs to be pressed on a puncture point for 20 minutes and then the tourniquet is loosened, at the moment, if the tourniquet is not proper in loosening strength, blood seepage or hematoma is easy to occur on the puncture part, and in order to avoid internal fistula embolism caused by renal anemia or hematoma aggravated by blood seepage on the puncture part, the pressure of the tourniquet of a patient needs to be adjusted timely to improve the effectiveness and the correctness of hemostasis. The patient can not independently relax and adjust the tourniquet, assistance of other people is usually needed, and if the patient is not assisted by other people in time to relax the tourniquet, the patient is easy to have discomfort and congestion at the far end of the limb, internal fistula embolism can happen more seriously, and even the blood vessel access is lost.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a hemodialysis tourniquet, can make things convenient for the patient to adjust loosening and tightening up of tourniquet with one hand.

In order to solve the technical problem, the utility model provides a hemodialysis tourniquet, which comprises a telescopic belt body, wherein a first hasp and a second hasp are respectively arranged at two ends of the telescopic belt body, and the first hasp and the second hasp are mutually matched; the telescopic belt body comprises a first tightness adjusting area and a second tightness adjusting area, the first tightness adjusting area is connected with the first hasp, and the second tightness adjusting area is connected with the second hasp;

a control panel is arranged between the first tightness adjusting area and the second tightness adjusting area, the control panel comprises a base and a top cover, the base is fixedly connected with the telescopic belt body, the top cover is rotatably connected with the base, a winding shaft is arranged on the top cover, and inner cavities of the base and the top cover form a locking mechanism;

still be provided with first connecting band and second connecting band on the expansion band body, first connecting band with the one end of second connecting band is all fixed on the spool, the other end of first connecting band is fixed first elasticity regulation district, the other end of second connecting band is fixed second elasticity regulation district.

Preferably, when the extensible band body is in a relaxed state, the first connecting band and the second connecting band are parallel to the extensible band body in a horizontal direction.

Preferably, the top cover is rotatably connected with the base through a bearing.

Preferably, a gear is arranged in the base, and a limiting member capable of forming a locking state with the gear is arranged in the top cover. The gear and the limiting piece can be arranged in a one-way locking mode or a two-way locking mode, and the one-way or two-way locking mode, namely the matching mode of the gear and the limiting piece, is a conventional locking mode.

Preferably, the roof cover further comprises a limiting plate, the limiting member is arranged on the limiting plate, a control rod is further arranged on the limiting plate, a track is formed in the roof cover, and the control rod moves in the track.

Preferably, the track is an L-shaped track, and the track is provided with a first position point and a second position point. When the control rod moves from the second position point to the first position point, the limiting piece is clamped in the gear, the top cover and the inner cavity of the base are locked, and the top cover cannot rotate. When the control rod moves from the first position to the second position, the limiting piece moves out of the gear, the top cover and the inner cavity of the base are not locked, and the top cover can rotate.

Preferably, a packing bag is provided below the band body.

Further, the stuffing bag is in the shape of a pillow opening.

Preferably, the stuff pack is disposed below the first buckle.

Preferably, a third buckle is arranged below the stuffing bag.

Preferably, the telescopic belt body is further provided with a wound cover, a fourth buckle is arranged on the back surface of the wound cover dressing, and the fourth buckle and the third buckle are matched with each other.

The first connecting belt and the second connecting belt are connecting belts without elasticity.

The principle and the technical conception of the utility model are as follows:

the tourniquet is tied to the puncture site of the patient through the matching of the first buckle and the second buckle.

Tightening the tourniquet: rotatory rotation also takes place for the top cap of rotary control dish, the spool, and first connecting band and second connecting band twine on the spool, and the elastic cord in first elasticity adjustment zone and second elasticity adjustment zone is stretched, and to piercing point production pressure, when reaching suitable pressure, with control dish top cap and base locking, the top cap is no longer rotatory, and the elastic cord no longer continues to stretch.

The process of loosening the tourniquet is as follows: the control panel top cover and the base are unlocked, the top cover is rotated, the first connecting belt and the second connecting belt wound on the winding shaft are loosened, the elastic bands in the first tightness adjusting area and the second tightness adjusting area are contracted, when proper pressure is released, the control panel top cover and the base are locked, the top cover is not rotated any more, and the elastic bands are not contracted any more.

Compared with the prior art, the utility model discloses an advantage and effect:

the utility model discloses set up a control panel on the telescopic band body, drive the extension and the shrink of elastic cord through rotatory control panel top cap, can make things convenient for the patient to adjust loosening and tightening up of tourniquet one-hand to the change is to the pressure at puncture position. The tourniquet can be adjusted to the pressure state required by different patients at different time points without additionally arranging electronic equipment capable of adjusting and controlling the pressure of the tourniquet, the pressure adjustment is controllable, and the tourniquet has a good application prospect.

Drawings

Fig. 1 is a front view of an embodiment of the present invention;

fig. 2 is a top view of an embodiment of the present invention;

fig. 3 is a bottom view of an embodiment of the present invention;

FIG. 4 is a top view of a control panel according to an embodiment of the present invention;

FIG. 5 is a schematic view of the structure inside the top cover of the control panel according to the embodiment of the present invention;

FIG. 6 is a schematic view of the inner structure of the control panel base according to the embodiment of the present invention;

fig. 7 is a schematic perspective view of an embodiment of the present invention.

The numerical meanings in the drawings are as follows: 1. a stretchable belt body; 2. a first buckle; 3. a second buckle 4, a first tightness adjusting area; 5. a second zone of tightness adjustment; 6. a control panel; 7. a base; 8. a top cover; 9. a spool; 10. a first connecting belt; 11. a second connecting band; 12. a bearing; 13. a gear; 14. a limiting member; 15. a track; 16. a control lever; 17. a first site; 18. a second site; 19. a spring; 20. a screw; 21. filling the bag; 22. a third hasp; 23. a strip-shaped groove; 24. and a limiting plate.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

A hemodialysis tourniquet, as shown in fig. 1 to 7, comprises a stretchable band body 1, wherein a first buckle 2 and a second buckle 3 are respectively arranged at two ends of the stretchable band body 1, and the first buckle 2 and the second buckle 3 are matched with each other; the telescopic belt body 1 comprises a first tightness adjusting area 4 and a second tightness adjusting area 5, the first tightness adjusting area 4 is connected with the first hasp 2, and the second tightness adjusting area 5 is connected with the second hasp 3;

a control panel 6 is arranged between the first tightness adjusting area 4 and the second tightness adjusting area 5, the control panel 6 comprises a base 7 and a top cover 8, the base 7 is fixedly connected with the telescopic belt body 1, the top cover 8 is rotatably connected with the base 7, a winding shaft 9 is arranged on the top cover 8, and inner cavities of the base 7 and the top cover 8 form a locking mechanism;

still be provided with first connecting band 10 and second connecting band 11 on the expansion band body 1, the one end of first connecting band 10 and second connecting band 11 is all fixed on spool 9, and the other end of first connecting band 10 is fixed in first elasticity regulation district 4, and the other end of second connecting band 11 is fixed in second elasticity regulation district 5.

The base 7 of the control panel 6 is fixed on the telescopic belt body 1, so that unstable pressure and failure of tightness adjustment caused by rotation of the control panel 6 can be effectively prevented.

The spool 9 is located at the lower portion of the top cover 8. The closer the winding position is to the telescopic belt body 1, the more uniform the stress of the tightness adjusting areas on the two sides is, and the convenience is brought to the winding of the connecting belt.

When the extensible band body 1 is in a relaxed state, the first connecting band 10 and the second connecting band 11 are parallel to the extensible band body 1 in the horizontal direction. The fixed connection of the first connecting band 10 and the second connecting band 11 to the spool 9 may be provided at any position of the spool 9. When the telescopic belt body 1 is in a relaxed state, the fixed connection positions of the first connecting belt 10 and the second connecting belt 11 and the winding shaft 9 are respectively arranged at two sides of the winding shaft 9, and the first connecting belt 10 and the second connecting belt 11 are parallel to the telescopic belt body 1 in the horizontal direction. In this case, when the top cover 8 is rotated, the winding speed of the first and

second connection bands

10 and 11 on the spool 9 and the releasing and tightening speeds of the elastic bands of the first and second

tightness adjusting regions

4 and 5 are controlled, and finally the pressure generated by the tourniquet is controlled.

The top cover 8 is rotatably connected to the base 7 by a bearing 12.

The base 7 is internally provided with a gear 13, and the top cover 8 is internally provided with a limiting piece 14 which can form a locking state with the gear 13. The gear 13 and the limiting member 14 are arranged to be locked in one direction. Set to one-way locking mode and can make things convenient for medical personnel to instruct the patient to carry out loosening and tightening up of tourniquet, avoid the patient to obscure the direction when using, adjusting the tourniquet.

The limiting device is characterized by further comprising a limiting plate 24, the limiting member 14 is arranged on the limiting plate 24, a control rod 16 is further arranged on the limiting plate 24, a track 15 is formed in the top cover 8, and the control rod 16 moves in the track 15. The limiting member 14, the limiting plate 24 and the control rod 16 form a limiting structure.

A strip-shaped groove 23 is further formed in the limiting plate 24, the limiting plate 24 is fixed in the top cover 8 through a spring 19, and the position of the limiting plate 24 is determined within a range in a mode that the strip-shaped groove 23 is hinged to the screw 20. The tension of the spring 19 assists the control lever to return from the second position to the first position, preventing the locking state from changing, and maintaining the locking state. When the control rod 16 moves in the track 15, the position of the limit plate 24 can be conveniently moved by utilizing the clearance in the strip-shaped groove 23, so that the locking and unlocking functions of the gear 13 and the limit piece 14 are realized.

The track 15 is an L-shaped track, and a first location 17 and a second location 18 are arranged on the track 15. The first site 17 is a locking site and the second site 18 is a non-locking site. Compared with a straight line or circular arc track, the L-shaped track is more beneficial to maintaining a locking state and a non-locking state.

A packing bag 21 is provided below the stretchable band body 1. The pressing object is placed in the filling bag 21, the pressing object can be hard gauze or cotton balls, and the material and the shape and the size of the pressing object can be selected individually according to the specific conditions of internal fistula pressure and the like of a patient. The patient with small internal fistula pressure can also put granular substances as pressor, which is stressed uniformly and not easy to shift. The thing of pressing is used for pressing the puncture site, and among the prior art, mostly adopt stereoplasm objects such as button directly to press, and it is inconvenient and bring the discomfort for the patient to use, often abandon and need not. The packing bag 21 is arranged on the tourniquet, and the puncture site can be directly pressed when the tourniquet is bound.

The packing bag 21 has a pillow-like opening shape. The stuffing bag 21 is arranged in an opening shape, different pressers can be replaced according to the individual requirements of different patients, and the stuffing bag is convenient to use and can be used for multiple times.

The packing bag 21 is disposed below the first buckle 2. The stuffing bag 21 is arranged below the position of the telescopic belt body 1 where the first buckle 2 is positioned, so that the stuffing bag 21 can be effectively prevented from shifting due to the loosening and the tightening of the elastic belt.

A third buckle 22 is arranged under the stuffing bag 21.

The telescopic belt body 1 is also provided with a wound cover, the back of the wound cover dressing is provided with a fourth hasp, and the fourth hasp and the third hasp 22 are mutually matched. Through set up the fourth hasp at the band-aid back, can be connected band-aid and stretch band body 1, realize coating and hemostasis integration. The cooperation of the third snap fastener 22 and the fourth snap fastener can fix the tampon pack 21 at the puncture site, and the pressing point is not easy to shift during the adjustment of the tourniquet. The adhesive bandage can be selected and replaced individually, and the telescopic belt body 1 can be reused for multiple times, so that effective utilization of resources is realized.

The first connecting band 10 and the second connecting band 11 are connecting bands without elasticity.

The first hasp 2, the second hasp 3, the third hasp 22 and the fourth hasp are male buckles or female buckles of a magic tape.

The working process of the embodiment:

when the patient gets off the machine after hemodialysis, the wound dressing is attached to the puncture position of the patient, the third hasp 22 and the fourth hasp on the tourniquet are matched, the puncture position is pressed by a pressing object in the filling bag 21, and then the puncture needle is pulled out. The tourniquet is tied up on the patient by utilizing the first hasp 2 and the second hasp 3, the control rod 16 slides to the second position point 18 on the track 15 by one hand, the limiting part 14 and the gear 13 are in a non-locking state, and the top cover 8 of the control disk 6 is rotated clockwise by one hand until the pulsation and trembling of the internal fistula are heard on the premise of ensuring no bleeding. At this point, the tourniquet pressure reaches the maximum of the tolerance range for the patient. Then, the control rod 16 is moved from the second position 18 to the first position 17 by one hand, and the limiting member 14 is clamped into the gear 13 to achieve a locking state. At this time, the top cover 8 of the control panel 6 does not rotate any more, the connecting belt is wound on the winding shaft 9 of the control panel 6, and the elastic bands on the two sides are stretched.

After 20 minutes, the control rod 16 is moved to the second position point 18 from the first position point 17 by one hand, the limiting piece 14 and the gear 13 are unlocked, the top cover 8 is rotated anticlockwise, the connecting belt is wound out of the winding shaft 9, the elastic belts on the two sides are loosened slowly, and the pressure is reduced slowly until the proper pressure is reached. At this point, the lever 16 is moved from the second position 18 to the first position 17 again, the stop 14 is locked with the gear 13 again, and the top cover 8 is no longer rotated.

The tourniquet was thus released progressively until after 2 hours no bleeding occurred at all.

The hasp of the utility model can also be a hole groove similar to a watch chain, a safety belt lock catch and the like. The utility model discloses can also link first connecting band 10 and second connecting band 11 as an organic whole. The utility model discloses a locking mechanism can also adopt other forms, as long as can make top cap 8 and base 7 form locking state and can remove locking state when needs through rotatory top cap 8 can. The locking mechanism of the embodiment is composed of an internal gear 13 arranged inside the base 7 and close to the outer edge and a limiting structure arranged inside the top cover 8, and can also be composed of an external gear arranged inside the base 7 and a limiting structure arranged inside the top cover 8 and close to the outer edge. The locking mechanism of the embodiment is unidirectional locking, and can be actually set to bidirectional locking, and the form of the locking mechanism is of a conventional design.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims

1. A hemodialysis tourniquet is characterized by comprising a telescopic belt body, wherein a first hasp and a second hasp are respectively arranged at two ends of the telescopic belt body, and the first hasp and the second hasp are matched with each other; the telescopic belt body comprises a first tightness adjusting area and a second tightness adjusting area, the first tightness adjusting area is connected with the first hasp, and the second tightness adjusting area is connected with the second hasp;

2. The hemodialysis tourniquet of claim 1, wherein the first and second connection bands are horizontally parallel to the band body when the band body is in a relaxed state.

3. The hemodialysis tourniquet of claim 1, wherein the cap is rotatably coupled to the base by a bearing.

4. The hemodialysis tourniquet of claim 1, wherein the base has a gear disposed therein, and the cap has a retainer disposed therein that is lockable with the gear.

5. The hemodialysis tourniquet of claim 4, further comprising a limiting plate, wherein the limiting member is disposed on the limiting plate, the limiting plate is further provided with a control rod, the top cover is provided with a track, and the control rod moves in the track.

6. The hemodialysis tourniquet of claim 5, wherein the rail is an L-shaped rail having a first location and a second location disposed thereon.

7. The hemodialysis tourniquet of claim 1, wherein a packing bag is disposed below the body of the band.

8. The hemodialysis tourniquet of claim 7, wherein the padded wrap is disposed below the first buckle.

9. The hemodialysis tourniquet of claim 7, wherein a third snap is provided under the tamponade bag.

10. The hemodialysis tourniquet of claim 9, wherein the retractable strap body is further provided with a wound cover, the wound cover is provided with a fourth buckle on the back side, and the fourth buckle and the third buckle are engaged with each other.