CN219022935U - Dilating balloon - Google Patents

Abstract

The utility model belongs to the technical field of medical equipment, and discloses an expansion saccule, which comprises the following components: catheters, balloons, adjustment tubes, and adjustment assemblies. One end of the guide pipe is used for communicating with the liquid injection equipment; the balloon is arranged at the other end of the catheter and is communicated with the catheter, and a section of the catheter, which is close to the balloon, is in a bending shape; the adjusting pipe is sleeved on the guide pipe and is connected with the guide pipe in a sliding way; the adjusting component is arranged on the catheter and connected with the adjusting pipe, and the adjusting component is used for driving the adjusting pipe to slide along the catheter so as to adjust the bending degree of the bending section of the catheter. When the dilating balloon is applied, the bending degree of the catheter is flexibly adjusted according to the needs in the catheter puncture process, so that the catheter can rapidly send the balloon to the designated compression position, thereby rapidly completing the operation and effectively reducing the risk of the operation.

Description

Dilating balloon

Technical Field

The utility model relates to the technical field of medical equipment, in particular to an expansion saccule.

Background

Trigeminal Neuralgia (TN) is one of the most severe pain suffered by humans. TN diagnosis is relatively easy, and is typically manifested as a single-sided face, intermittent-onset, intense stinging or shock-like, needle-like pain, which can also be exacerbated by skin irritation, such as facial pressure, chewing, brushing, blowing off or shaving, and the like. The up-to-date investigation data of WTO shows that trigeminal neuralgia tends to be younger, the prevalence of people is continuously increased, and the life quality of patients is seriously affected. In recent years, the technology of percutaneous trigeminal ganglion balloon compression (percutaneous balloon compression, PBC) is gradually rising, mainly because the puncture positioning is more accurate due to the progress of imaging, the puncture operation is safer due to the progress of equipment, and the puncture treatment effect is more perfect due to the increase of experience. The PBC technology is particularly suitable for patients with recurrent trigeminal neuralgia microvascular decompression (MVD) or intolerance of advanced age or fear of craniotomy.

In the prior art, the dilation balloon mainly comprises a catheter and a balloon arranged on the catheter. The guide pipe is connected with the corresponding liquid injection equipment. The balloon is punctured by the catheter and then is sent into the corresponding part, and then liquid is injected into the balloon by the catheter, so that the balloon is expanded and the corresponding part is pressed.

However, during the puncturing process, the catheter needs to be bent correspondingly to smoothly advance to send the balloon to the designated compression position, and the bending of the catheter is mainly realized depending on the experience of an operator, so that the catheter needs to be repeatedly operated by the operator to send the balloon, and the risk of the operation is increased.

Disclosure of Invention

The utility model aims to provide an inflatable balloon, which solves the problem that in the prior art, a catheter is difficult to bend and adjust in the puncturing process, and the balloon can be sent to a designated compression position after repeated operation, so that the operation risk is increased.

To achieve the purpose, the utility model adopts the following technical scheme:

an dilation balloon, comprising: catheters, balloons, adjustment tubes, and adjustment assemblies. One end of the guide pipe is used for being communicated with the liquid injection device; the balloon is arranged at the other end of the catheter and is communicated with the catheter, and a section of the catheter, which is close to the balloon, is in a curved shape; the adjusting pipe is sleeved on the guide pipe and is in sliding connection with the guide pipe; the adjusting component is arranged on the catheter and connected with the adjusting pipe, and is used for driving the adjusting pipe to slide along the catheter so as to adjust the bending degree of the bending section of the catheter.

Optionally, the adjusting assembly includes: a fixed base fixed to the catheter; a knob rotatably connected to the fixed base; and the displacement block is connected in the fixed base in a sliding way and is in threaded connection with the knob, and the displacement block is connected with the adjusting pipe.

Optionally, any one of the displacement block and the fixed base is provided with a limiting groove, and the other one is provided with a limiting rail in sliding connection with the limiting groove.

Optionally, the adjusting assembly further comprises: the rotating sleeve is fixed on the fixed base and extends into the knob; and the fixing buckle is fixed on the knob and is rotationally connected with the outer side wall of the rotary sleeve.

Optionally, a drug injection gap is formed between the regulating tube and the catheter, and the dilating balloon further comprises: the medicine injection pipe is arranged on the regulating pipe and communicated with the medicine injection gap.

Optionally, the adjusting tube is provided with a plurality of liquid outlet holes communicated with the medicine injection gap.

Optionally, the dilation balloon further comprises: the sealing ring is arranged in the adjusting component and abuts against the outer side wall of the guide pipe so as to seal a gap between the adjusting component and the guide pipe.

Optionally, the hardness of the regulator tube is greater than the hardness of the catheter.

Optionally, the dilation balloon further comprises: and the lining wire is arranged in the catheter and extends into the balloon.

Optionally, a closing head is arranged at one end of the balloon, which is far away from the catheter; and/or the outer side wall of the balloon is provided with a developing ring.

The utility model has the beneficial effects that:

in the catheter puncture process, according to the position of oppression as required, through the removal of adjusting component drive adjusting pipe along the pipe, the bending section contact of adjusting pipe and pipe just can the corresponding change crookedness of pipe for the sacculus can reach the oppression position fast, pours into liquid into the sacculus through the pipe this moment into, just can oppress the corresponding position smoothly after the sacculus expansion. Therefore, in the catheter puncture process, the bending degree of the catheter is flexibly adjusted according to the requirement, so that the catheter can rapidly send the balloon into the designated compression position, the operation is rapidly completed, and the risk of the operation is effectively reduced.

Drawings

FIG. 1 is a schematic illustration of the structure of an inflatable balloon according to some embodiments of the present utility model.

Fig. 2 is a cross-sectional view of an inflatable balloon in some embodiments of the utility model.

Fig. 3 is a schematic exploded view of an adjustment assembly of an inflatable balloon in some embodiments of the utility model.

Fig. 4 is a cross-sectional view of an adjustment assembly of an inflatable balloon in some embodiments of the utility model.

Fig. 5 is an enlarged view of section a in the implementation shown in fig. 2.

In the figure:

100. a conduit; 110. a luer three-way valve; 120. luer cap; 200. a balloon; 210. a closing head; 220. a developing ring; 300. an adjusting tube; 310. a liquid outlet hole; 400. an adjustment assembly; 410. a fixed base; 420. a knob; 430. a displacement block; 440. a limit groove; 450. a limit rail; 460. a rotating sleeve; 461. an annular clamping groove; 470. a fixing buckle; 480. a medicine injection gap; 500. a drug injection tube; 510. a switch valve; 600. a seal ring; 700. and lining wires.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The present utility model provides an inflatable balloon.

FIG. 1 is a schematic illustration of the structure of an inflatable balloon according to some embodiments of the present utility model. Fig. 2 is a cross-sectional view of an inflatable balloon in some embodiments of the utility model. Referring to fig. 1 and 2, the dilation balloon includes a catheter 100, a balloon 200, a regulator tube 300, and a regulator assembly 400. One end of the conduit 100 is adapted to communicate with a fluid injection apparatus; the balloon 200 is disposed at the other end of the catheter 100 and communicates with the catheter 100, and one end of the catheter 100 near the balloon 200 is curved. The adjusting tube 300 is sleeved on the catheter 100 and is in sliding connection with the catheter 100, and the hardness of the adjusting tube 300 is greater than that of the catheter 100. An adjustment assembly 400 is disposed on the catheter 100 and coupled to the adjustment tube 300, the adjustment assembly 400 being configured to drive the adjustment tube 300 to slide along the catheter 100 to adjust the curvature of the curved section of the catheter 100.

Specifically, the catheter 100 is in a strip shape, the luer three-way valve 110 is arranged at the upper end of the catheter, one opening of the luer three-way valve 110 is used for communicating with the liquid injection device, one opening is communicated with the catheter 100, and the other opening is closed by the luer cap 120. The balloon 200 is fixed at the lower end of the catheter 100, and the two may be adhered and fixed. Balloon 200 is constructed of a material having elasticity, and may contain a liquid therein and expand as the liquid increases.

The section of the catheter 100 near the balloon 200 is curved, the section near the luer three-way valve 110 is straight, the adjusting tube 300 is sleeved on the straight section, the inner diameter of the adjusting tube 300 is larger than the outer diameter of the catheter 100, so that the adjusting tube 300 can slide relative to the catheter 100, the hardness of the adjusting tube 300 is larger than that of the catheter 100, and the difference between the hardness of the adjusting tube and the hardness of the catheter can be designed according to the bending range which is adjusted according to actual needs.

The adjusting assembly 400 is sleeved on the catheter 100 and is positioned between the adjusting tube 300 and the luer three-way valve 110, and is connected with the upper end of the adjusting tube 300 so as to drive the adjusting tube 300 to move along the axial direction of the catheter 100.

When the dilating balloon is applied to an operation, the adjusting tube 300 is driven to move along the catheter 100 by the adjusting assembly 400 according to the position required to be pressed, the bending section of the catheter 100 is contacted with the adjusting tube 300, the bending degree of the catheter 100 can be correspondingly changed due to higher hardness of the adjusting tube 300, the catheter 100 can smoothly advance, the balloon 200 can rapidly reach the pressing position, at the moment, liquid is injected into the balloon 200 through the catheter 100, and the corresponding position can be smoothly pressed after the balloon 200 is dilated. Therefore, in the process of puncturing the catheter 100, the bending degree of the catheter 100 can be flexibly adjusted according to the requirement, so that the catheter 100 can rapidly send the balloon 200 into the designated compression position, thereby rapidly completing the operation and effectively reducing the risk of the operation.

Fig. 3 is a schematic exploded view of an adjustment assembly of an inflatable balloon in some embodiments of the utility model. Fig. 4 is a cross-sectional view of an adjustment assembly of an inflatable balloon in some embodiments of the utility model. Referring to fig. 3 and 4, in some embodiments of the present utility model, the adjustment assembly 400 includes a fixed base 410, a knob 420, and a displacement block 430. The fixing base 410 is fixed to the catheter 100. Knob 420 is rotatably coupled to fixed base 410. The displacement block 430 is slidably coupled to the fixed base 410 and is screwed to the knob 420, and the displacement block 430 is coupled to the adjustment tube 300.

Specifically, the fixing base 410 is sleeved on the catheter 100 and is fixedly connected with the luer three-way valve 110, and the fixing manner can be bonding. The knob 420 is sleeved on the catheter 100 and is positioned at one end of the fixed base 410 away from the luer three-way valve 110. The fixed base 410 may extend partially into the knob 420, with the rotational connection of the ring groove and the ring block being achieved by the cooperation of the two.

The displacement block 430 is slidably connected in the fixed base 410 and sleeved on the catheter 100, the sliding direction of the displacement block is the axial direction of the catheter 100, and structures such as a guide block or a guide column can be arranged in the fixed base 410 to limit the sliding direction of the displacement block 430. The knob 420 has internal threads on its inner wall and external threads on its outer sidewall that mate with the internal threads. The upper end of the adjusting tube 300 may extend into the knob 420 to be fixedly connected with the displacement block 430, the inner diameter of the displacement block 430 may be larger than the outer diameter of the adjusting tube 300, and the upper end of the adjusting tube 300 may be inserted into the displacement block 430 and adhered and fixed to the inner wall of the displacement block 430.

When the adjusting tube 300 is driven to move, the knob 420 rotates relative to the fixed base 410 by rotating the knob 420, the knob 420 drives the displacement block 430 to slide, the displacement block 430 is fixedly connected with the adjusting tube 300, and along with the movement of the displacement block 430, the adjusting tube 300 can slide along the guide tube 100 so as to contact with the bending section of the guide tube 100, and the bending degree of the guide tube 100 can be smoothly adjusted.

Referring to fig. 3 and 4, in some embodiments of the present utility model, either one of the displacement block 430 and the fixed base 410 is provided with a limit groove 440, and the other is provided with a limit rail 450 slidably coupled with the limit groove 440.

Specifically, the outer sidewall of the displacement block 430 is provided with a limit groove 440, the limit groove 440 extends along the axial direction of the catheter 100, and the limit rail 450 is disposed on the inner wall of the fixed base 410, which can be integrally formed with the fixed base 410, and at this time, the outer sidewall of the displacement block 430 is provided with external threads.

The limit groove 440 and the limit rail 450 may be provided only in one or two or other amounts, and when two limit grooves 440 are provided, the two limit grooves 440 are provided opposite to each other, and the limit rail 450 is provided corresponding to the limit groove 440. It should be understood that the outer sidewall of the displacement block 430 may be provided with external threads only on the lower half, and the upper half is provided with the limit rail 450, and the limit groove 440 is provided at the corresponding position of the fixed base 410, so that the sliding fit between the displacement block 430 and the fixed base 410 can be achieved. The positions of the limit grooves 440 and the limit rails 450 may be set according to the moving distance of the actual displacement block 430, which is not limited in the present utility model.

During the movement of the displacement block 430, the limiting rail 450 slides in the limiting groove 440, and the sliding direction of the adjusting tube 300 can be effectively limited by using the cooperation of the limiting rail 450 and the limiting groove 440, so as to reduce the possibility of the displacement block 430 shifting.

Referring to fig. 3, in some embodiments of the utility model, the adjustment assembly 400 further includes a swivel sleeve 460 and a securing catch 470. The rotating sleeve 460 is fixed to the fixed base 410 and extends into the knob 420. The fixing buckle 470 is fixed to the knob 420 and is rotatably connected with the outer sidewall of the rotating sleeve 460.

Specifically, the outer diameter of the rotating sleeve 460 is smaller than the outer diameter of the fixed base 410 and smaller than the inner diameter of the knob 420, so that the rotating sleeve 460 is smoothly inserted into the knob 420, and the outer sidewall of the knob 420 may be flush with the outer sidewall of the fixed base 410, so as to ensure the aesthetic degree of the overall appearance.

An annular clamping groove 461 is formed in the outer side wall of the rotary sleeve 460, and one side of the fixing buckle 470 extends into the annular clamping groove 461 and is in rotary connection with the annular clamping groove 461. The side of the knob 420 is provided with a clamping hole, and the other side of the fixing buckle 470 is inserted into the clamping hole, so as to realize the fixed connection of the fixing buckle 470 and the knob 420. The fixing buckle 470 and the knob 420 can be adhered and fixed by glue. Two fixing buckles 470 may be provided, and the two fixing buckles 470 are respectively located at the left and right sides of the rotating sleeve 460.

When the knob 420 is rotated, the knob 420 drives the fixing buckle 470 to rotate in the annular slot 461 to rotate the knob 420 relative to the fixing base 410, and the cooperation of the fixing buckle 470 and the annular slot 461 can connect the knob 420 with the rotating sleeve 460, thereby restricting the movement of the knob 420 along the axial direction of the catheter 100.

Fig. 5 is an enlarged view of section a in the implementation shown in fig. 2. Referring to fig. 2 and 5, in some embodiments of the utility model, a drug-injection gap 480 is formed between the regulator tube 300 and the catheter 100, and the dilation balloon further comprises a drug-injection tube 500. The medicine-feeding tube 500 is provided on the regulating tube 300 and communicates with the medicine-feeding gap 480.

Specifically, a notch is formed on a side of the adjusting tube 300 close to the knob 420 to be communicated with the injection tube 500, and a switch valve 510 may be further disposed at an end of the injection tube 500 away from the adjusting tube 300, where the switch valve 510 is communicated with a corresponding injection device. The inner diameter of the regulator tube 300 is larger than the outer diameter of the catheter 100 to form the above-described drug injection gap 480.

In the puncturing process, the medicine liquid can be continuously injected into the medicine injection gap 480 through the medicine injection tube 500, and the medicine liquid can flow out from the opening of the medicine injection gap 480 to be contacted with the corresponding part, so that the success rate of the operation is improved.

Referring to fig. 4, in some embodiments of the present utility model, the adjusting tube 300 is provided with a plurality of liquid outlet holes 310 communicating with the medicine injection gap 480. Specifically, the liquid outlet hole 310 may be formed at one end of the adjusting tube 300 near the air bag, and may be formed in plurality around the circumference of the adjusting tube 300 at intervals. In this embodiment, six liquid outlet holes 310 may be formed.

Through seting up liquid hole 310, after the liquid medicine is poured into medicine injection clearance 480, the liquid medicine can flow out through liquid hole 310 for the scope that the liquid medicine can contact is wider, simultaneously along with the removal of governing pipe 300, the position of liquid hole 310 also can be adjusted in step, thereby more convenient operation of operation.

Referring to fig. 3 and 4, in some embodiments of the utility model, the dilation balloon further comprises a sealing ring 600. The sealing ring 600 is disposed in the adjusting assembly 400 and abuts against the outer sidewall of the catheter 100 to close the gap between the adjusting assembly 400 and the catheter 100.

Specifically, the seal ring 600 is disposed in the displacement block 430, and is located at an end of the displacement block 430 away from the adjustment tube 300. The number of seal rings 600 may be plural, and the plurality of seal rings 600 may be distributed at intervals along the axial direction of the catheter 100. The sealing ring 600 may be made of rubber material, and may be adhered to the inside of the displacement block 430.

By providing the sealing ring 600, the gap between the displacement block 430 and the catheter 100 can be closed, and the adjusting tube 300 is inserted into the displacement block 430, so that the sealing ring 600 can effectively close the upper end of the drug injection gap 480, thereby reducing the possibility of the drug solution flowing to the luer three-way valve 110.

Referring to fig. 5, in some embodiments of the utility model, the dilation balloon further comprises a backing wire 700. A liner wire 700 is disposed within catheter 100 and extends into balloon 200. Specifically, the liner wire 700 is disposed throughout the catheter 100, with its upper end passing through the luer three-way valve 110 and fixedly connected to the luer cap 120, and its lower end extending into the balloon 200. By providing the backing wire 700, the entire catheter 100 can be supported, ensuring that the catheter 100 has sufficient strength to complete a puncture, while also ensuring that the catheter 100 has sufficient flexibility.

Referring to fig. 1, in some embodiments of the utility model, a closing head 210 is provided at the end of the balloon 200 remote from the catheter 100. The outer sidewall of balloon 200 is provided with a developing ring 220. Specifically, the closing head 210 is made of stainless steel material and is welded integrally with the lining wire 700. The developing rings 220 may be disposed at the upper and lower ends of the balloon 200, respectively, to bond the two ends of the balloon 200 with the catheter 100 and the sealing head 210, respectively. The developing ring 220 may be provided only in one, and is located at the middle of the balloon 200, and both ends of the balloon 200 are directly bonded to the catheter 100 and the closing head 210, respectively. The number and positions of the developing rings 220 can be designed according to the actual application scenario, and the present utility model is not limited thereto.

By providing the closing head 210, the end of the balloon 200 remote from the catheter 100 can be effectively closed and fixedly connected to the lower end of the liner wire 700. The arrangement of the developing ring 220 can facilitate an operator to display the position of the balloon 200 under the X-ray, and meanwhile, the developing ring 220 can also improve the tightness of the joint of the balloon 200 and reduce the possibility of liquid seepage.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. An inflatable balloon, comprising:

a conduit (100), one end of the conduit (100) being adapted to communicate with a liquid injection device;

a balloon (200) which is arranged at the other end of the catheter (100) and is communicated with the catheter (100), wherein a section of the catheter (100) close to the balloon (200) is in a curved shape;

the adjusting tube (300) is sleeved on the guide tube (100) and is in sliding connection with the guide tube (100); and

the adjusting assembly (400) is arranged on the catheter (100) and connected with the adjusting tube (300), and the adjusting assembly (400) is used for driving the adjusting tube (300) to slide along the catheter (100) so as to adjust the bending degree of the bending section of the catheter (100).

2. The dilation balloon of claim 1, wherein the adjustment assembly (400) comprises:

a fixed base (410) fixed to the catheter (100);

a knob (420) rotatably connected to the fixed base (410); and

and the displacement block (430) is connected in the fixed base (410) in a sliding manner and is in threaded connection with the knob (420), and the displacement block (430) is connected with the adjusting tube (300).

3. The dilatation balloon of claim 2 wherein either of the displacement block (430) and the fixed base (410) is provided with a limit groove (440) and the other is provided with a limit rail (450) slidingly connected with the limit groove (440).

4. The dilation balloon of claim 2, wherein the adjustment assembly (400) further comprises:

a rotating sleeve (460) fixed to the fixed base (410) and extending into the knob (420); and

and the fixing buckle (470) is fixed on the knob (420) and is rotationally connected with the outer side wall of the rotary sleeve (460).

5. The dilation balloon according to any one of claims 1 to 4, wherein a drug injection gap (480) is formed between the adjustment tube (300) and the catheter (100), the dilation balloon further comprising:

and a medicine injection tube (500) which is arranged on the regulating tube (300) and is communicated with the medicine injection gap (480).

6. The dilatation balloon of claim 5 wherein the adjustment tube (300) is provided with a plurality of exit ports (310) in communication with the drug injection gap (480).

7. The dilation balloon of any one of claims 1-4, wherein the dilation balloon further comprises:

and the sealing ring (600) is arranged in the adjusting assembly (400) and is abutted against the outer side wall of the guide pipe (100) so as to seal a gap between the adjusting assembly (400) and the guide pipe (100).

8. The dilation balloon according to any one of claims 1 to 4, wherein the hardness of the adjustment tube (300) is greater than the hardness of the catheter (100).

9. The dilation balloon of any one of claims 1-4, wherein the dilation balloon further comprises:

a backing wire (700) disposed within the catheter (100) and extending into the balloon (200).

10. The dilatation balloon according to any one of claims 1 to 4, wherein an end of the balloon (200) remote from the catheter (100) is provided with a closing head (210); and/or

The outer side wall of the balloon (200) is provided with a developing ring (220).

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