CN215351482U

CN215351482U - Disposable pressure measuring saccule dilating catheter

Info

Publication number: CN215351482U
Application number: CN202121314354.5U
Authority: CN
Inventors: 童有华; 吴萍兰
Original assignee: Second Affiliated Hospital of Anhui Medical University
Current assignee: Second Affiliated Hospital of Anhui Medical University
Priority date: 2021-06-14
Filing date: 2021-06-14
Publication date: 2021-12-31
Anticipated expiration: 2031-06-14

Abstract

The utility model discloses a disposable pressure measurement balloon dilatation catheter which comprises an dilatation catheter, wherein a catheter joint is fixedly sleeved at the front end of the dilatation catheter, a deep head is fixedly installed at the right end of the dilatation catheter, a dumbbell-shaped cuff is fixedly sleeved at the right part of the outer surface of the dilatation catheter, a developing line is fixedly installed at the inner side of the outer surface of the dilatation catheter, an inflation tube is arranged at the left part of the outer surface of the dilatation catheter and extends to the inner cavity of the dilatation catheter, an inflation assembly is arranged at the front end of the inflation tube, scale scales are carved on the outer side of the outer surface of the dilatation catheter, and the dumbbell-shaped cuff is located between the scale scales and the deep head. The disposable pressure measurement balloon dilatation catheter can measure the pressure of balloon dilatation, more accurately and dynamically evaluate the degree of the patient's circumpharyneal muscle spasm, more scientifically formulate a balloon dilatation plan, and has the advantages of simple and effective operation, good balloon dilatation effect, strong practicability and high psychological acceptance degree of patients.

Description

Disposable pressure measuring saccule dilating catheter

Technical Field

The utility model relates to the technical field of balloon dilatation catheters, in particular to a disposable pressure measurement balloon dilatation catheter.

Background

Research shows that partial dysphagia patients after stroke have the cricopharyngeal muscle achalasia, the effect of conventional rehabilitation therapy is often poor, the method becomes one of the difficulties in treating the dysphagia, the saccule dilatation can safely and effectively relieve the dysphagia caused by radiation encephalopathy and cerebral stem infarction, and the method is the first choice method for the cricopharyngeal muscle achalasia caused by brain injury. At present, the patients with common urethral catheter for dilating the cricopharyngeal muscle achalasia are clinically used mostly, and the following defects exist: 1. the pressure can not be measured when the common catheter is used for balloon dilatation; 2. at present, the front balloon is expanded on one side after the catheter is used for water injection or gas injection once, so that the expansion effect of the cricopharyngeal muscle is limited; 3. the X-ray examination needs to inject contrast agent into the saccule, so that risk factors such as anaphylactic reaction exist, the wall of the common catheter has no accurate scale, a mark pen is needed for marking the position, and the process is complicated; 4. when the catheter is used for saccule expansion through oral or nasal intubation, the psychology of the patient is difficult to accept.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a disposable pressure measurement balloon dilatation catheter which can effectively solve the problems in the background art.

In order to achieve the purpose, the utility model adopts the technical scheme that:

disposable use pressure survey sacculus expansion pipe, including the expansion pipe, the fixed pipe joint that has cup jointed of expansion pipe front end, expansion pipe right-hand member fixed mounting is deep into the head, the fixed dumbbell shape cover bag that has cup jointed in expansion pipe surface right part, the inboard fixed mounting in expansion pipe surface has the line of developing a shadow, expansion pipe surface left part is provided with the gas tube, the gas tube extends to the expansion pipe inner chamber, the gas tube front end is provided with inflatable component, the scale mark is carved with on the expansion pipe surface outside, dumbbell shape cover bag is located the scale mark and deep into between the head.

Preferably, the inflation assembly comprises an indication balloon, a one-way valve is fixedly mounted at the front end of the indication balloon, the indication balloon is communicated with the one-way valve, and a connecting pipe is fixedly mounted at the input end of the one-way valve.

Preferably, the dumbbell-shaped cuff comprises two convex parts, a concave part is fixedly mounted between the two convex parts, and the concave part is communicated with the two convex parts.

Preferably, the front end of the inflation tube penetrates through the inner wall of the dilation catheter and extends into the dumbbell-shaped cuff, and the inflation tube is communicated with the dumbbell-shaped cuff.

Preferably, the scale range is 60cm, and the distance from the right end face of the dumbbell-shaped cuff to the cambered surface penetrating into the right end of the dumbbell-shaped cuff is 3 cm.

Preferably, the connecting pipe and the one-way valve are of an integral structure.

Compared with the prior art, the utility model has the following beneficial effects:

1. the balloon dilation pressure detection meter is convenient to indicate by arranging the connecting pipe, the balloon pressure detection meter is externally connected with the handheld balloon, the balloon dilation pressure is measured, the degree of the patient's circumpharyneal muscle spasm is more accurately and dynamically evaluated, a balloon dilation plan is more scientifically formulated, dysphagia is improved, injected gas leakage is prevented by arranging the one-way valve, and compared with a traditional inflected catheter, the balloon dilation pressure detection meter is simple, effective and convenient to operate;

2. the dumbbell-shaped cuff is arranged, so that the regulation and control pressure range of the balloon is enlarged, the expansion effect is obvious, the resistance of the stenotic site of the cricopharyngeal muscle is increased due to the arrangement of the two convex parts, the expansion time is prolonged under the condition that a patient can tolerate the stenotic site, the balloon is uniformly filled around, the cricopharyngeal muscle is small in damage, and the expansion effect is better;

3. by arranging the developing line, the tube body of the dilating catheter has high transparency, and the developing is carried out under X-rays, so that the developing by injecting a developing agent into the saccule is avoided, and the risks of anaphylactic reaction, extravasation, radiation and the like caused by using the developing agent are reduced;

4. scale marks are added on the dilating catheter to visually observe the displacement condition of the saccule;

5. the dilatation catheter is made of comfortable silica gel, is transparent and attractive, is a balloon dilatation special catheter, is soft, good in elasticity, good in compatibility and small in esophagus irritation, is a special catheter, and is higher in psychological acceptance degree of patients.

Drawings

FIG. 1 is a schematic view of the overall construction of the single use pressure measuring balloon dilation catheter of the present invention;

FIG. 2 is a rear elevational view of the overall construction of the single use pressure measuring balloon dilation catheter of the present invention;

FIG. 3 is a schematic diagram of the overall construction of the inflation assembly of the single use pressure-sensing balloon dilation catheter of the present invention;

FIG. 4 is a schematic cross-sectional view of the cuff of the single use pressure measuring balloon dilation catheter of the present invention;

fig. 5 is an overall structural cross-sectional view of the single use pressure measuring balloon dilation catheter of the present invention.

In the figure: 1. a dilatation catheter; 2. a catheter adapter; 3. developing lines; 4. a dumbbell-shaped cuff; 5. penetrating into the head; 6. an inflation tube; 7. an inflation assembly; 8. scale marks are arranged on the scale; 21. an indicator balloon; 22. a connecting pipe; 23. a one-way valve; 31. a boss portion; 32. a recessed portion.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in figures 1-5, a disposable pressure measurement balloon dilatation catheter comprises an dilatation catheter 1, a catheter connector 2 is fixedly sleeved at the front end of the dilatation catheter 1, a deep head 5 is fixedly installed at the right end of the dilatation catheter 1, a dumbbell-shaped cuff 4 is fixedly sleeved at the right part of the outer surface of the dilatation catheter 1, a development line 3 is fixedly installed at the inner side of the outer surface of the dilatation catheter 1, an inflation tube 6 is arranged at the left part of the outer surface of the dilatation catheter 1, the inflation tube 6 extends to the inner cavity of the dilatation catheter 1, an inflation assembly 7 is arranged at the front end of the inflation tube 6, scale scales 8 are carved on the outer side of the outer surface of the dilatation catheter 1, and the dumbbell-shaped cuff 4 is located between the scale scales 8 and the deep head 5.

The inflation assembly 7 comprises an indication balloon 21, a one-way valve 23 is fixedly mounted at the front end of the indication balloon 21, the indication balloon 21 is communicated with the one-way valve 23, a connecting pipe 22 is fixedly mounted at the input end of the one-way valve 23, the connecting pipe 22 can be replaced and detached, and the indication balloon 21 is conveniently connected with an external handheld balloon pressure detection meter and an external injector.

Dumbbell shape cover bag 4 includes bellying 31, and bellying 31 is provided with two, and common fixed mounting has depressed part 32 between two bellying 31, and depressed part 32 and two bellying 31 all communicate with each other, and two bellying 31 are full of after the gas injection and are become the even two sacculums of solid, at the narrow position dumbbell shape two sacculus expansions of ring pharyngeal muscle.

The front end of the inflation tube 6 penetrates through the inner wall of the dilation catheter 1 and extends into the dumbbell-shaped cuff 4, the inflation tube 6 is communicated with the dumbbell-shaped cuff 4, and the diameter of the inflation tube 6 is smaller than the inner diameter of the dilation catheter 1.

The measuring range of the scale mark 8 is 60cm, the distance from the right end surface of the dumbbell-shaped cuff 4 to the cambered surface of the right end of the deep head 5 is 3cm, and the scale mark 8 is arranged to facilitate visual observation of the displacement condition of the balloon.

The connecting tube 22 and the one-way valve 23 are integrated, and the connecting tube 22 can be connected with a handheld air bag pressure detector and an injector.

The utility model relates to a disposable pressure measuring balloon dilatation catheter, which comprises the following use steps: (1) first, a pre-expansion preparation stage is performed, and the materials are prepared as follows: a disposable pressure measuring balloon dilatation catheter, a handheld balloon pressure detecting meter, a 10-20ml injector, a cotton swab, a cotton ball, paraffin oil and a paper towel; (2) and then, positioning and marking are carried out, and the operation flow is as follows: positioning is needed before primary operation, when swallowing radiography is carried out on a patient suspected of cricopharyngeal muscle achalasia, materials can be prepared, once diagnosis is confirmed by radiography, the householder agrees, namely positioning is carried out, the dilating catheter 1 is inserted into the esophagus by about 30cm, certain air is injected into the dumbbell-shaped cuff 4 through the indicating balloon 21, the dilating catheter 1 is slowly pulled back under X-ray fluoroscopy, when the patient feels blocked or does not move, the lower edge of the cricopharyngeal muscle is prompted, the lower edge of the 6 th cervical vertebra or the height of the 7 th cervical vertebra is approximately leveled compared with the lower edge of the X-ray, and scales are recorded at the position of the dilating catheter to a tube nostril or an oral cavity as a reference point of each dilation; (3) and finally, performing a specific expansion stage, wherein the operation flow is as follows: checking whether the saccule is intact, inserting the dilating catheter 1 into the esophagus by the conventional operation of inserting a nasogastric tube by an operator, determining to enter the esophagus and completely pass through the cricopharyngeal muscle (the inserting length is 26-30cm generally), and if the patient has good fit and swallowing is better, the dilating catheter 1 can enter from the oral cavity; an operator injects air into the dumbbell-shaped cuff 4 through the one-way valve 23 to expand the cuff, pulls back the dilating catheter 1 until the catheter has a clamping feeling or is pulled still, reaches the lower edge of the cricopharyngeal muscle, records scales, and measures and clocks the pressure value by using a hand-held air bag pressure detection meter; according to the tension degree of the cricopharyngeal muscle, the balloon can be pulled to enter the cricopharyngeal muscle and has proper resistance, the balloon passing air volume basic value is set for the first time, the balloon passing air volume basic value is increased properly every time after the first time, and a more scientific and reasonable balloon expansion plan is made according to the pressure measurement value; when the operator feels the falling empty, the balloon is indicated to slide out of the upper edge of the cricopharyngeal muscle, air is rapidly pumped out, the dilation time of the cricopharyngeal muscle is recorded, and the dilation catheter 1 is withdrawn out of the nasal cavity (or the oral cavity); after resting for 5 minutes, repeating the operation according to the reaction condition and tolerance degree of the patient, and increasing or reducing the amount of injected air in a proper amount, generally repeating for 3-5 times; after the treatment is finished, the aerosol inhalation is given to relieve edema.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Disposable pressure survey balloon dilatation catheter, including expansion pipe (1), its characterized in that: the utility model discloses an expansion pipe, including expansion pipe (1), fixed cover pipe connector (2) has been connected to expansion pipe (1) front end, expansion pipe (1) right-hand member fixed mounting is deep into head (5), fixed cover of expansion pipe (1) surface right part has dumbbell shape cover bag (4), expansion pipe (1) surface inboard fixed mounting has development line (3), expansion pipe (1) surface left part is provided with gas tube (6), gas tube (6) extend to expansion pipe (1) inner chamber, gas tube (6) front end is provided with inflatable component (7), scale (8) are carved with in the expansion pipe (1) surface outside, dumbbell shape cover bag (4) are located scale (8) and deep into between head (5).

2. The single use pressure determining balloon dilation catheter of claim 1, wherein: the inflation assembly (7) comprises an indication balloon (21), a one-way valve (23) is fixedly mounted at the front end of the indication balloon (21), the indication balloon (21) is communicated with the one-way valve (23), and a connecting pipe (22) is fixedly mounted at the input end of the one-way valve (23).

3. The single use pressure determining balloon dilation catheter of claim 1, wherein: dumbbell shape cover bag (4) are including bellying (31), bellying (31) are provided with two, two common fixed mounting has depressed part (32) between bellying (31), depressed part (32) and two bellying (31) all communicate with each other.

4. The single use pressure determining balloon dilation catheter of claim 1, wherein: the front end of the inflation tube (6) penetrates through the inner wall of the dilation catheter (1) and extends into the dumbbell-shaped cuff (4), and the inflation tube (6) is communicated with the dumbbell-shaped cuff (4).

5. The single use pressure determining balloon dilation catheter of claim 1, wherein: the measuring range of the scale marks (8) is 60cm, and the distance from the right end face of the dumbbell-shaped cuff (4) to the cambered surface of the right end of the deep head (5) is 3 cm.

6. The single use pressure determining balloon dilation catheter of claim 2, wherein: the connecting pipe (22) and the one-way valve (23) are of an integral structure.