CN217548137U - Supporting device - Google Patents

Abstract

The embodiment of the utility model provides a relate to medical instrument technical field, especially disclose a supporting device, include: the catheter comprises an elastic balloon and a catheter, wherein the elastic balloon is sleeved at the first end of the catheter, an expansion cavity is enclosed by the elastic balloon and the outer wall of the first end of the catheter together, the catheter is provided with an injection channel, the first end of the injection channel is provided with a side hole which is communicated with the expansion cavity and the injection channel, and the second end of the injection channel is communicated with the outside; when fluid is injected into the expansion cavity through the injection channel, the volume of the expanded elastic balloon is increased, and when the fluid in the expansion cavity is pumped out through the injection channel, the volume of the contracted elastic balloon is decreased. After the elastic balloon is inflated by injecting fluid, the elastic balloon is abutted with the filling material at the damaged part of the saddle septum, so that the filling material can be elastically supported. In this way, the embodiment of the utility model provides a can avoid being used for the filling material aversion of the damaged department of shutoff saddle septum to lead to the problem that the cerebrospinal fluid leaks outward for the recovery of the damaged wound of department of saddle septum.

Description

Supporting device

Technical Field

The embodiment of the utility model provides a relate to medical instrument technical field, especially relate to a strutting arrangement.

Background

The hypophysioma excision operation by the sphenoid sinus approach is a common operation for treating hypophysioma, the saddle bottom needs to be repaired after the hypophysioma is excised, and autologous nasal cartilage materials, hemostatic cotton yarn, gelatin sponge, biological glue and other filling materials are used for plugging wounds according to the damage degree of a saddle diaphragm.

The utility model discloses the inventor of embodiment realizes the utility model discloses an in-process discovers: at present, when saddle bottom repair is carried out, after a gap of a saddle diaphragm is plugged by using a filling material, a proper supporting device is lacked to support the filling material for plugging the gap.

SUMMERY OF THE UTILITY MODEL

In view of the above, embodiments of the present invention provide a support device that overcomes or at least partially solves the above-mentioned problems.

In order to solve the technical problem, the utility model discloses a technical scheme be: providing a supporting device, which comprises an elastic balloon and a catheter, wherein the elastic balloon is sleeved at the first end of the catheter, the elastic balloon and the outer wall of the first end of the catheter jointly enclose an expansion cavity, the catheter is provided with an injection channel, the first end of the injection channel is provided with a side hole, the expansion cavity and the injection channel are communicated through the side hole, and the second end of the injection channel is used for being communicated with the outside;

when fluid is injected into the expansion cavity through the injection channel, the volume of the expanded elastic balloon is increased, and when the fluid in the expansion cavity is extracted through the injection channel, the volume of the contracted elastic balloon is decreased.

Optionally, the elastic balloon is provided with a first through hole, the first through hole penetrates through the elastic balloon, the first end of the catheter is inserted into the first through hole, two ends of the elastic balloon are respectively connected with the outer wall of the catheter in a sealing manner along the axial direction of the first through hole, and the elastic balloon and the outer wall of the catheter enclose to form the expansion cavity.

Optionally, the end surface of the first end of the catheter does not protrude from the elastic balloon.

Optionally, the catheter is further provided with a drainage channel, a first end of the drainage channel is arranged at the first end of the catheter, the first end of the drainage channel is communicated with the outside, a second end of the drainage channel is arranged at the second end of the catheter, and the second end of the drainage channel is communicated with the outside.

Optionally, the support device further comprises a sealing cap, and the sealing cap is arranged at the second end of the catheter to close the second end of the drainage channel.

Optionally, the conduit is further provided with a branch part, a first end of the branch part is connected with a side wall of a second end of the conduit, and a second end of the injection channel is arranged at the second end of the branch part.

Optionally, the injection device further comprises an indication airbag, the indication airbag is provided with an indication cavity, a first end of the indication airbag is connected with a second end of the branch portion, a second end of the injection channel is communicated with the indication cavity, a second through hole is formed in a second end of the indication airbag, and the indication cavity is communicated with the outside through the second through hole.

Optionally, the medical device further comprises an ear hook, one end of the ear hook is connected with the second end of the catheter, and the second end of the ear hook is bent towards the first end of the catheter from the first end of the ear hook and then extends.

Optionally, the ear-hook further comprises a lantern ring, the lantern ring is connected with the first end of the ear-hook, and the lantern ring is sleeved at the second end of the catheter.

The embodiment of the utility model provides a beneficial effect is: in the embodiment of the present invention, the supporting device includes an elastic balloon and a catheter, the elastic balloon is sleeved on the first end of the catheter, the elastic balloon and the outer wall of the first end of the catheter together enclose an expansion cavity, the catheter is provided with an injection channel, the first end of the injection channel is provided with a side hole, the side hole is to be communicated with the expansion cavity and the injection channel, and the second end of the injection channel is used for being communicated with the outside; when fluid is injected into the expansion cavity through the injection channel, the volume of the expanded elastic balloon is increased, and when the fluid in the expansion cavity is extracted through the injection channel, the volume of the contracted elastic balloon is decreased. The elastic balloon is propped against the filling material at the damaged position of the saddle septum after the elastic balloon is inflated by injected fluid, so that the elastic balloon can elastically support the filling material, the problem that the cerebrospinal fluid leaks due to displacement of the filling material used for plugging the damaged position of the saddle septum is avoided, and the recovery of the wound at the damaged position of the saddle septum is accelerated.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for a person skilled in the art to obtain other drawings based on the drawings without any creative effort.

Fig. 1 is a schematic view of a supporting device according to an embodiment of the present invention;

FIG. 2 is a schematic view of the support device of FIG. 1 in use;

FIG. 3 is a cross-sectional view of the support device shown in FIG. 1;

FIG. 4 is an enlarged fragmentary view of the cross-sectional view of FIG. 3;

fig. 5 is a schematic view of the elastic balloon and catheter of a support device according to an embodiment of the present invention after a first assembly step;

fig. 6 is a schematic view of the elastic balloon and the catheter of a support device according to an embodiment of the present invention after the second assembly step.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, a support device 1000 includes an elastomeric balloon 1 and a catheter 2. The first end of pipe 2 is located to elasticity sacculus 1 cover, and the outer wall of the first end of elasticity sacculus 1 and pipe 2 encloses jointly and closes has inflation chamber 11. The catheter 2 is used for supporting the elastic balloon 1 and communicating the expansion cavity 11 with the outside, when fluid is injected into the expansion cavity 11 through the catheter 2, the volume of the expanded elastic balloon 1 is increased, and when the fluid in the expansion cavity 11 is extracted through the injection channel 21, the volume of the contracted elastic balloon 1 is decreased. When repairing the saddle bottom, the damaged part of the saddle b is sealed by filling material, the first end of the conduit 2 sleeved with the elastic balloon 1 is inserted into the sphenoid sinus a, when fluid is injected into the expansion cavity 11 through the conduit 2, the elastic balloon 1 expands to increase the volume, and the elastic balloon 1 is abutted to the filling material to support the filling material.

In this embodiment, the fluid uses physiological solution, and when the physiological solution leaks due to the breakage of the elastic balloon 1, no secondary damage is caused to the patient.

In this embodiment, the elastic balloon 1 is provided with a first through hole 12, and the first through hole 12 penetrates the elastic balloon 1. The material of the elastic balloon 1 is silica gel, and it can be understood that the material of the elastic balloon 1 can also be plastic PVC, latex, TPE, and the like.

In this embodiment, the catheter 2 is provided with an injection channel 21, a first end of the injection channel 21 being provided at a first end of the catheter 2, the first end of the injection channel 21 being provided with a side hole 211. The second end of the injection passage 21 is provided at the second end of the guide duct 2, and the second end of the injection passage 21 communicates with the outside. The material of the catheter 2 is silicone, and it is understood that the material of the catheter 2 may also be PVC, latex, TPE, and the like.

In this embodiment, the first end of the catheter 2 is inserted into the first through hole 12, and along the axial direction of the first through hole 12, the two ends of the elastic balloon 1 are respectively connected with the outer wall of the catheter 2 in a sealing manner, and the elastic balloon 1 and the outer wall of the catheter 2 enclose to form the inflation cavity 11. A side hole 211 extends through the side wall of the catheter 2, the side hole 211 communicating the injection channel 21 with the expansion chamber 11. The end surface of the first end of the catheter 2 does not protrude from the elastic balloon 1 along the axial direction of the first through hole 12. After sending into sphenoidal sinus a with the first end of pipe 2, the terminal surface of the first end of pipe 2 is towards the damaged department of saddle partition b, inject the fluid into inflation chamber 11 through the entry that is located the injection passageway 21 of the second end of pipe 2, fluid flows to the first end of injection passageway 21 from the second end of injection passageway 21, flow into inflation chamber 11 through side hole 211, make 1 inflation volume grow of elasticity sacculus, encircle the filling material of the damaged department of saddle partition b of the elastic sacculus 1 butt around the terminal surface of the first end of pipe 2, with support filling material, make filling material keep firmly at the damaged position of saddle partition b, avoid filling material aversion, it causes cerebrospinal fluid outer leakage to drop to lead to the saddle partition b damaged department disappearance breach again. Because the end face of the first end of the catheter 2 does not protrude out of the elastic balloon 1, the end face of the first end of the catheter 2 is prevented from interfering with the filling material, and the filling material is prevented from generating displacement.

Further, the catheter 2 is also provided with a branch portion 22 and a drainage channel 23. A first end of the branch part 22 is connected to a side wall of a second end of the catheter 2, and a second end of the injection passage 21 is provided at the second end of the branch part 22. The first end of drainage channel 23 sets up in the first end of pipe 2, and the first end and the external world intercommunication of drainage channel 23, the export of the first end of drainage channel 23 and external world intercommunication set up in the terminal surface of the first end of pipe 2. The second end of the drainage channel 23 is arranged at the second end of the catheter 2, the second end of the drainage channel 23 is communicated with the outside, and an outlet, connected with the outside, of the second end of the drainage channel 23 is arranged on the end face of the second end of the catheter 2. The supporting device 1000 further comprises a sealing cover 3, and the sealing cover 3 is disposed on the end surface of the second end of the catheter 2 to close the second end of the drainage channel 23.

When the end face of one end, facing the saddle-shaped partition b, of the elastic balloon 1 abuts against the filling material at the damaged position of the saddle-shaped partition b, cerebrospinal fluid leaks out from the damaged position of the saddle-shaped partition b, and the leaked cerebrospinal fluid can enter the drainage channel 23 through the second end of the drainage channel 23. Whether cerebrospinal fluid flows out from the drainage channel 23 or not can be used for judging the repair condition of the saddle bottom, and if cerebrospinal fluid is continuously discharged from the drainage channel 23, it is indicated that the damaged part of the saddle septum b is not repaired in place.

Still further, the support device 1000 further comprises an indicating air bag 4, an ear hook 5 and a collar 6. The indicating air bag 4 is provided with an indicating cavity 41, a first end of the indicating air bag 4 is connected with a second end of the branch part 22, a second end of the injection passage 21 is communicated with the indicating cavity 41, a second through hole 42 is arranged at the second end of the indicating air bag 4, and the indicating cavity 41 is communicated with the outside through the second through hole 42. Fluid enters the expansion cavity 11 after passing through the second through hole 42, the indication cavity 41 and the injection channel 21 in sequence, the indication cavity 41 is communicated with the expansion cavity 11, when the expansion volume of the elastic balloon 1 is increased, the expansion volume of the indication balloon 4 is also increased, when the fluid is pumped out, the contraction volume of the elastic balloon 1 and the contraction volume of the indication balloon 4 are reduced, and the expansion and contraction conditions of the elastic balloon 1 can be judged by observing the expansion and contraction conditions of the indication balloon 4. One end of the ear hook 5 is connected with the second end of the catheter 2, and the second end of the ear hook 5 is bent from the first end of the ear hook 5 to the first end of the catheter 2 and then extends. The lantern ring 6 is connected with the first end of the ear hook 5, and the lantern ring 6 is sleeved at the second end of the conduit 2, so that the ear hook 5 is fixed at the second end of the conduit 2. After the first end of the conduit 2, which is sleeved with the elastic balloon 1, is inserted into the sphenoid sinus a of the patient, the ear hook 5 can be hung at the ear on one side of the patient.

When the saddle bottom is repaired, after the damaged part of the saddle septum b is blocked by using a filling material, one end of the supporting device 1000 with the elastic air bag is inserted into the sphenoid sinus a through the nasal cavity of a patient, at the moment, the indicating air bag 4 is positioned near the outer part of the nostril of the patient, and the expansion and contraction conditions of the elastic air bag can be judged by observing the indicating air bag 4; after the physiological solution is sucked by using the needle-free injector, an injection port of the needle-free injector is inserted into the second through hole 42, the physiological solution is injected into the expansion cavity 11 through the second through hole 42, so that the volume of the expanded elastic balloon 1 is enlarged, the end surface of the first end of the catheter 2 faces the damaged part of the saddle septum b, the end surface of one end of the elastic balloon 1 facing the damaged part of the saddle septum b is abutted against the filling material of the damaged part of the saddle septum b, the side surface of the side wall of the elastic balloon 1 surrounding the catheter 2 is abutted against the inner wall of the sphenoid sinus a, and the elastic balloon 1 is fixed in the sphenoid sinus a; the ear hook 5 is hung on one side ear of the patient to fix the supporting device 1000, so as to prevent the supporting device 1000 from being invalid due to the movement of the catheter 2. After use, the needleless syringe is used to draw out the physiological solution in the expansion chamber 11, and the contracted volume of the elastic air bag becomes smaller, so that the supporting device 1000 can be taken out of the sphenoid sinus a of the patient.

In the embodiment of the present invention, the supporting device 1000 includes an elastic balloon 1 and a catheter 2, the elastic balloon 1 is sleeved at the first end of the catheter 2, the elastic balloon 1 and the outer wall of the first end of the catheter 2 jointly enclose an expansion cavity 11, the catheter 2 is provided with an injection channel 21, the first end of the injection channel 21 is provided with a side hole 211, the side hole 211 is to be communicated with the expansion cavity 11 and the injection channel 21, and the second end of the injection channel 21 is to be communicated with the outside; when fluid is injected into the inflation lumen 11 through the injection passage 21, the volume of the inflated elastic balloon 1 becomes large, and when fluid in the inflation lumen 11 is extracted through the injection passage 21, the volume of the inflated elastic balloon 1 becomes small. After the elastic balloon 1 is inflated by injected fluid, the elastic balloon 1 is abutted to the filling material at the damaged part of the saddle spacer b to provide elastic support for the filling material, so that the problem that the cerebrospinal fluid leaks due to displacement of the filling material used for blocking the damaged part of the saddle spacer b is avoided, and the recovery of the wound at the damaged part of the saddle spacer b is accelerated.

In an embodiment of the present invention, referring to fig. 2, 4, 5 and 6, the method of assembling the elastic balloon 1 and the catheter 2 is as follows:

in a first step, as shown in fig. 5, the first end of the guide tube 2 is inserted into the first through hole 12, and the outer wall of the first end of the guide tube 2 is hermetically connected to the inner wall of the first through hole 12.

In the second step, as shown in fig. 6, the edge of the first through hole 12 away from the orifice of the catheter 2 is folded in the direction toward the catheter 2 and then is hermetically connected with the outer wall of the catheter 2, so that the elastic balloon 1 and the outer wall of the catheter 2 enclose to form an expansion cavity 11.

Specifically, a first end of the conduit 2 is inserted into the first through hole 12, the conduit 2 is fixed in the first through hole 12 in an adhesion manner, and a side wall of the first end of the conduit 2 is attached to an inner wall of the through hole; the edge of the first through hole 12 far away from the orifice of the catheter 2 is folded along the direction towards the catheter 2 and then is bonded on the outer wall of the catheter 2, and the outer wall of the original elastic balloon 1 is folded and then is enclosed with the outer wall of one end of the catheter 2 to form an expansion cavity 11. By the mode that the elastic balloon 1 is folded and then enclosed with the catheter 2 to form the expansion cavity 11, the elastic balloon 1 can be wrapped and attached to the side wall of the catheter 2 under the condition that no fluid is injected into the expansion cavity 11, and the elastic balloon 1 cannot interfere with surrounding human tissues in the process of feeding the elastic balloon 1 into the sphenoid sinus a; after the fluid is injected into the expansion cavity 11 and expands, the elastic balloon 1 surrounds the first end of the catheter 2 and protrudes out of the end surface of the first end of the catheter 2 along the direction of the first end of the catheter 2 towards the damaged part of the saddle-shaped partition b, so that the elastic balloon 1 is prevented from protruding out of the first end of the catheter 2, and the filling material at the damaged part of the first end of the catheter 2 protruding out of the elastic balloon 1 and the saddle-shaped partition b causes the displacement of the filling material.

It should be noted that the preferred embodiments of the present invention are shown in the specification and the drawings, but the present invention can be realized in many different forms, and is not limited to the embodiments described in the specification, which are not intended as additional limitations to the present invention, and are provided for the purpose of making the understanding of the present disclosure more thorough and complete. Moreover, the above technical features are combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope of the present invention; further, modifications and variations will occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.

Claims (9)

1. A support device, comprising:

an elastic balloon;

the catheter is provided with an injection channel, the first end of the injection channel is provided with a side hole, the side hole is used for communicating the expansion cavity with the injection channel, and the second end of the injection channel is used for communicating with the outside;

when fluid is injected into the expansion cavity through the injection channel, the volume of the expanded elastic balloon is increased, and when the fluid in the expansion cavity is extracted through the injection channel, the volume of the contracted elastic balloon is decreased.

2. The supporting device according to claim 1, wherein the elastic balloon is provided with a first through hole, the first through hole penetrates through the elastic balloon, the first end of the catheter is inserted into the first through hole, two ends of the elastic balloon are respectively connected with the outer wall of the catheter in a sealing manner along the axial direction of the first through hole, and the elastic balloon and the outer wall of the catheter enclose to form the expansion cavity.

3. The support device of claim 2, wherein an end surface of the first end of the catheter does not protrude from the resilient bladder.

4. The support device of claim 2, wherein the catheter is further provided with a drainage channel, a first end of the drainage channel is arranged at the first end of the catheter, the first end of the drainage channel is communicated with the outside, a second end of the drainage channel is arranged at the second end of the catheter, and the second end of the drainage channel is communicated with the outside.

5. The support device of claim 4, further comprising a sealing cap disposed at the second end of the conduit to close the second end of the drainage channel.

6. The support device of claim 4, wherein the conduit is further provided with a branch portion, a first end of the branch portion being connected with a sidewall of a second end of the conduit, a second end of the injection channel being provided at the second end of the branch portion.

7. The supporting device of claim 6, further comprising an indicating air bag, wherein the indicating air bag is provided with an indicating cavity, a first end of the indicating air bag is connected with a second end of the branching portion, a second end of the injection passage is communicated with the indicating cavity, and a second end of the indicating air bag is provided with a second through hole which is communicated with the indicating cavity to the outside.

8. The support device of claim 1, further comprising an ear loop, wherein one end of the ear loop is connected to the second end of the conduit, and the second end of the ear loop is bent from the first end of the ear loop to the first end of the conduit and then extends.

9. The support device of claim 8, further comprising a collar coupled to the first end of the ear hook, the collar positioned over the second end of the conduit.

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