CN217430630U - Clamping buckle for thrombolytic catheter - Google Patents

Abstract

The utility model provides a dissolve bolt pipe buckle, include with the sheath pipe can dismantle the connection shell of being connected, locate fixed subassembly on the connection shell, wherein fixed subassembly is used for fixed dissolve bolt pipe, fixed subassembly include with the link that the connection shell links to each other, locate the link goes up the crown plate, locates restraint cover on the crown plate, locate annular gasbag in the restraint cover and locating gas injection subassembly on the link. The utility model discloses a to connect the shell to fix on the sheath pipe, then fix the thrombolysis pipe through fixed subassembly, so can prevent that the thrombolysis pipe from slipping out in the sheath pipe, and adopt the gasbag to fix the thrombolysis pipe, then can guarantee that the pressure that the outer wall of thrombolysis pipe received is even pressure.

Description

Clamping buckle for thrombolytic catheter

Technical Field

The utility model belongs to the technical field of the medical treatment, especially, relate to a dissolve bolt pipe buckle.

Background

When a thrombolytic catheter is used for treating a patient, a sheath is usually inserted into the patient, and then the thrombolytic catheter is inserted into the sheath, so that the thrombolytic catheter is easy to slide out of the sheath during actual nursing work, and the thrombolytic catheter is not easy to fix during work due to the small diameter, thereby increasing nursing difficulty.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art not enough, provide a dissolve bolt pipe buckle convenient to it is fixed.

The utility model discloses a realize above-mentioned purpose, provide following technical scheme: the utility model provides a thrombolytic catheter buckle, includes can dismantle the connection shell of being connected, locate with the sheath pipe fixed subassembly on the connection shell, wherein fixed subassembly is used for fixed thrombolytic catheter, fixed subassembly include with the link that the connection shell links to each other, locate link top ring board, locate on the link about the ring board about the cover, locate annular gasbag in the restraint cover and locate gas injection subassembly on the link.

The utility model discloses a to connect the shell to fix on the sheath pipe, then fix the thrombolysis pipe through fixed subassembly, so can prevent that the thrombolysis pipe from slipping out in the sheath pipe, and adopt the gasbag to fix the thrombolysis pipe, then can guarantee that the pressure that the outer wall of thrombolysis pipe received is even pressure.

Optionally, the gas injection subassembly is including locating gas storage box on the link, with the intake pipe of gas storage box intercommunication each other, locate piston plate on the gas storage box, with the push pedal that the piston plate links to each other and locating spacing subassembly on the link.

Optionally, one end of the air inlet pipe is communicated with the air storage box, and the other end of the air inlet pipe penetrates through the restraining sleeve and is communicated with the annular air bag.

Optionally, the limiting assembly comprises a rack arranged on the connecting frame, a first spring arranged on the push plate, a limiting tooth connected with the first spring, a second spring connected with the push plate, an unlocking rope connected with the limiting tooth, and a triggering assembly arranged on the connecting frame.

Optionally, the rack and the limiting teeth may be engaged with each other, and both the rack and the limiting teeth are helical teeth.

Optionally, one end of the unlocking rope is connected with the limiting teeth, the other end of the unlocking rope penetrates through the bottom end of the push plate to be connected with the transmission rod, and the triggering assembly is used for driving the transmission rod to move up and down.

Optionally, the connecting shell is provided with a mounting device, and the mounting device includes an annular cavity arranged on the connecting shell, fixing rubber arranged on the annular cavity, a fixing claw arranged on the connecting shell, and a ring sleeve sleeved on the connecting shell.

Optionally, the outer side of the end of the fixing rubber is obliquely arranged, the fixing claw is also obliquely arranged, the fixing claw and the oblique part of the fixing rubber correspond to each other, the ring sleeve is in threaded connection with the connecting shell, and the ring sleeve is provided with a tapered channel.

To sum up the above

The utility model discloses a to connect the shell to fix on the sheath pipe, then fix the thrombolysis pipe through fixed subassembly, so can prevent that the thrombolysis pipe from slipping out in the sheath pipe, and adopt the gasbag to fix the thrombolysis pipe, then can guarantee that the pressure that the outer wall of thrombolysis pipe received is even pressure.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a front view of fig. 1.

Fig. 3 is a cross-sectional view taken at a-a in fig. 2.

Fig. 4 is an enlarged view of fig. 3 at B.

Fig. 5 is an enlarged view of fig. 4 at C.

Fig. 6 is a cross-sectional view at B-B in fig. 3.

Fig. 7 is an enlarged view of fig. 6 at D.

Fig. 8 is an enlarged view of a portion a in fig. 1.

Detailed Description

In order to make the technical field personnel understand the utility model discloses the scheme, will combine the drawing in the embodiment of the utility model below, to the technical scheme in the embodiment of the utility model carries out clear, complete description.

Referring to fig. 1-8, a thrombolytic catheter buckle comprises a connecting shell 10 and a fixing component arranged on the connecting shell 10. Wherein, the connecting shell is used for fixing the outside at sheath pipe 101, and fixing device is used for fixing thrombolysis catheter 102, so, after thrombolysis catheter puts into the sheath pipe, can fix thrombolysis catheter through fixed subassembly, and then can prevent thrombolysis catheter 102 from deviating from sheath pipe 101.

Further, the thrombolysis catheter 102 has a small diameter and limited strength, and in order to prevent the thrombolysis catheter from being deformed by compression when being fixed, it is necessary to ensure that the pressure applied to the outer wall of the thrombolysis catheter 102 is uniform. Therefore, the utility model provides a fixed subassembly is through the mode of annotating gas in to small-size gasbag, fixes the thrombolysis pipe to can guarantee the homogeneity to thrombolysis pipe outer wall extrusion strength.

Specifically, the fixing assembly comprises a connecting frame 21 connected with the connecting shell 10, a ring plate 22 arranged on the connecting frame 21, a restraining sleeve 23 arranged on the ring plate 22, an annular airbag 24 arranged in the restraining sleeve 23, and an air injection assembly arranged on the connecting frame 21, wherein the restraining sleeve 23 is arranged annularly, the restraining sleeve 23 comprises a barrel portion 231 and an end ring plate 232, the annular airbag 24 is arranged in the restraining sleeve 23, and the thrombolysis catheter 102 penetrates through the annular airbag 24, so that after the annular airbag 24 is filled with air, the annular airbag 24 is expanded, the inner wall of the annular airbag 24 abuts against the inner wall of the thrombolysis catheter, the outer side abuts against the barrel portion 231, and the thrombolysis catheter 102 can be fixed.

Wherein, the gas injection assembly is used for injecting gas into the annular air bag 24. In practical design, although the thrombolysis pipe has multiple specifications, the diameter of the thrombolysis pipe is less, so the capacity of gasbag is also very limited, for this reason the utility model discloses do not adopt traditional inflator gas injection mode, with gasbag and another gas storage chamber intercommunication, control the inflation degree of gasbag through the capacity of pushing out the gas in the gas storage chamber, so can adapt to the thrombolysis pipe of different specifications.

Specifically, the gas injection assembly comprises a gas storage box 211 arranged on the connecting frame 21, a gas inlet pipe 212 communicated with the gas storage box 211, a piston plate 213 arranged on the gas storage box 211, a push plate 214 connected with the piston plate 213, and a limiting assembly arranged on the connecting frame 21.

One end of the air inlet pipe 212 is communicated with the air storage box 211, and the other end of the air inlet pipe passes through the restraining sleeve 23 and is communicated with the annular air bag 24, so that air in the air storage box 211 can be pushed into the annular air bag 23.

The piston plate 213 is disposed in the gas holder 211, so that the piston plate 213 is pushed by the moving push plate 214 to push the gas into the annular air chamber 24. Wherein, the limiting component is used for limiting the push plate 214 and preventing the push plate 214 from reversely sliding to cause air leakage of the annular air bag 24.

The limiting assembly comprises a rack 221 arranged on the connecting frame 21, a first spring 222 arranged on the push plate 214, a limiting tooth 223 connected with the first spring 222, a second spring 224 connected with the push plate 214, an unlocking rope 225 connected with the limiting tooth 223 and a triggering assembly arranged on the connecting frame 21.

The rack 221 and the limit tooth 223 can be engaged with each other, and both the rack 221 and the limit tooth 223 are helical teeth, so that when the limit tooth 223 is connected with the push plate 214 through the first spring 222, the push plate 214 can be pushed upwards, but the push plate 214 cannot be guided to slide downwards.

When the push plate 214 needs to slide downwards, the limit teeth 223 need to be pulled to separate from the racks 221.

For this purpose, the unlocking rope 225 is a commercially available rope, one end of the unlocking rope 225 is connected to the limit tooth 223, and the other end of the unlocking rope 225 passes through the bottom end of the 5-way push plate 214 and is connected to the trigger assembly.

Specifically, a support plate 216 is provided on the push plate 214, and the support plate 216 is disposed above the stopper teeth 223. The top end of the unlocking rope 225 is connected with the transmission rod 34, and the trigger assembly is used for controlling the transmission rod 34 to move up and down so as to pull the unlocking rope 225.

The trigger assembly comprises a fixed cylinder 42, a sliding claw 43, a reset piece 44 and a pushing piece 45, wherein the bottom end of the fixed cylinder 42 is connected with a supporting plate 216, a hole is formed in the supporting plate 216, one end of a transmission rod 34 is abutted against the sliding claw 43, and the other end of the transmission rod penetrates through the hole and is inserted below the supporting plate 216; the reset piece 44 is sleeved on the transmission rod 34, one end of the reset piece 44 is abutted with the supporting plate 216, and the other end is abutted with a circular plate arranged at the end part of the transmission rod 34. And an elastic member 46 is also abutted between the pushing member 45 and the sliding claw 43.

Further, a plurality of ratchet blocks 421 are arrayed on the inner wall of the fixed cylinder 42, shallow grooves 4211 are arranged on the ratchet blocks 421, and a deep groove 4212 is arranged between two adjacent ratchet blocks 422.

The slide claw 43 is provided with a claw 431, the claw 431 is provided with an inclined guide surface 4311, the claw 431 is partially abutted against the ratchet block 421, and the ratchet block 421 is provided with an inclined surface.

The pushing member 45 is provided with a plurality of pressing strips 451, the pressing strips 451 are provided with pushing inclined surfaces 4511, and the sliding pawls 43 can slide when the pushing inclined surfaces 4511 abut against the guide surfaces 4311. A return spring is abutted between the pusher 45 and the sliding pawl 43.

Thus, when the pushing member 45 is pressed, the pushing member 45 moves downward, and the sliding pawl 43 also moves downward, so that the pushing member 45 is continuously pressed to guide the sliding pawl 43 to slide, and the pawl 431 is caught in the shallow groove 4211. In this manner, the transmission rod 34 is moved downward and the transmission rod 34 is now extended a longer distance from the inside of the fixed cylinder 42.

The pushing member 45 is further pressed, the guide sliding pawl 43 slides, and the claw 431 is clamped in the deep groove 4212. In this manner, the drive link 34 moves upward, with the drive link 34 extending a short distance from the fixed barrel 42.

Thus, the driving rod 34 can be guided to have two different states by the triggering assembly, and when the driving rod 34 extends for a short distance, the unlocking rope 225 is straightened, and at this time, the limit tooth 223 is separated from the rack 221, and when the driving rod 34 extends for a long distance, the unlocking rope 225 is loosened, and the limit tooth 223 is inserted into the rack 221.

Further, the connection shell 10 needs to be fixed on the sheath 101, the sheath 101 has a cylindrical shape, and the connection shell 10 is provided with a mounting device, through which the connection shell 10 can be fixed on the sheath.

Specifically, the mounting device includes an annular cavity 31 disposed on the connecting shell 10, a fixing rubber 32 disposed on the annular cavity 31, a fixing claw 311 disposed on the connecting shell 10, and a ring sleeve disposed on the connecting shell 10.

The middle of the fixed rubber 32 is provided with a hole, the outer side of the end of the fixed rubber 32 is obliquely arranged, the fixed claw 311 is also obliquely arranged, the oblique parts of the fixed claw 311 and the fixed rubber 32 correspond to each other, the ring sleeve 33 is in threaded connection with the connecting shell 10, the ring sleeve 33 is provided with a conical channel 331, the conical channel 331 can be rounded to extrude the fixed claw 311 in a manner of rotating the threaded sleeve 33, the fixed claw 311 can further compress the fixed rubber 32, and the effect of fixedly connecting the shell 10 can be achieved.

It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

Claims (8)

1. The utility model provides a thrombolytic catheter buckle, its characterized in that includes the connection shell of can dismantling the connection with the sheath pipe, locates fixed subassembly on the connection shell, wherein fixed subassembly is used for fixed thrombolytic catheter, fixed subassembly include with the link that the connection shell links to each other, locate the link goes up the crown plate, locates restraint cover on the crown plate, locate annular gasbag in the restraint cover and locate gas injection subassembly on the link.

2. The thrombolytic catheter buckle of claim 1, wherein the gas injection assembly comprises a gas reservoir disposed on the connecting frame, a gas inlet tube in communication with the gas reservoir, a piston plate disposed on the gas reservoir, a push plate connected to the piston plate, and a position limiting assembly disposed on the connecting frame.

3. The thrombolytic catheter buckle of claim 2, wherein one end of the air inlet tube is in communication with the air reservoir and the other end is in communication with the annular balloon through the constraining sheath.

4. The thrombolytic catheter buckle of claim 2, wherein the limiting assembly comprises a rack disposed on the connecting frame, a first spring disposed on the pushing plate, a limiting tooth connected to the first spring, a second spring connected to the pushing plate, an unlocking rope connected to the limiting tooth, and a triggering assembly disposed on the connecting frame.

5. The thrombolytic catheter buckle of claim 4, wherein the rack and the limiting teeth are capable of engaging with each other, and both the rack and the limiting teeth are helical teeth.

6. The thrombolytic catheter buckle of claim 4, wherein one end of the unlocking rope is connected with the limiting tooth, the other end of the unlocking rope passes through the bottom end of the push plate and is connected with the transmission rod, and the triggering component is used for driving the transmission rod to move up and down.

7. The thrombolytic catheter buckle of claim 1, wherein the connecting shell is provided with a mounting device, the mounting device comprises an annular cavity provided on the connecting shell, a fixing rubber provided on the annular cavity, a fixing claw provided on the connecting shell, and a ring sleeve provided on the connecting shell.

8. The thrombolytic catheter buckle of claim 7, wherein the outer side of the end of the fixing rubber is inclined, the fixing claw is also inclined, the fixing claw and the inclined portion of the fixing rubber correspond to each other, the collar is screwed with the connecting shell, and a tapered channel is provided on the collar.

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