CN213724321U - Disposable medical cervical dilatation balloon catheter - Google Patents
Disposable medical cervical dilatation balloon catheter Download PDFInfo
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- CN213724321U CN213724321U CN202022186848.1U CN202022186848U CN213724321U CN 213724321 U CN213724321 U CN 213724321U CN 202022186848 U CN202022186848 U CN 202022186848U CN 213724321 U CN213724321 U CN 213724321U
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Abstract
The utility model discloses a disposable medical cervical dilatation balloon catheter, which comprises a tubular body, wherein the inside of the tubular body is in a hollow cavity shape, a limiting balloon which is positioned outside a cervix and used for limiting is fixedly arranged on the outer side wall of the tubular body, an adjusting component which can extend into the cervix and can adjust the depth of the extending into the cervix is arranged inside the tubular body, the end part of the adjusting component is fixedly provided with an dilatation balloon which is positioned inside the cervix and used for dilatation of the cervix, and the limiting balloon and the dilatation balloon are respectively communicated with a medium injection mechanism; the inside of body still is provided with and is used for carrying out the adjusting part limit structure that limits to the position that adjusting part stretched into the cervix. The utility model discloses can adjust spacing sacculus and expand interval between the sacculus, strengthen the suitability of device effectively, can be applicable to the cervical of the multiple different length of lying-in woman, can realize the effective expansion to the cervical better.
Description
Technical Field
The utility model relates to the technical field of medical appliances, in particular to a disposable medical cervical dilatation balloon catheter.
Background
The saccule dilating cervix uteri is mechanically stimulated by the pressure of a catheter and an inner saccule and an outer saccule of a cervical orifice. After the normal saline is introduced into the saccule, the saccule is expanded, and then the cervix is dilated.
However, the conventional cervical dilator cannot adjust the depth of the cervical dilator extending into the cervix after the balloon outside the cervix is limited. If the cervix of the lying-in woman is longer than that of the general population, only the inner part of the cervix can be expanded due to the relative fixation of the positions of the double balloons, and the whole cervix of the lying-in woman cannot be effectively expanded; if the cervix of the parturient is shorter than the general population, the position of the double balloons is relatively fixed, so that the human health is possibly affected due to the fact that the cervical inserting depth is too large. Moreover, if the inflation of the balloon extending into the cervix is too small, the entire cervix cannot be dilated. Therefore, it is very important to develop a cervical dilatation balloon catheter capable of adjusting the space between the two balloons.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a disposable medical cervical dilatation sacculus pipe is provided to solve current cervical dilator and carry out the problem of adjusting to the degree of depth that stretches into the cervix after the sacculus in the cervical outside carries on spacingly, with can adjust interval between the two sacculus, with the suitability of reinforcing means, realize the effective expansion to the cervix better.
In order to solve the technical problem, the utility model adopts the following technical proposal.
The disposable medical cervical dilatation balloon catheter comprises a tube body, the interior of the tube body is in a hollow cavity shape, a limiting balloon which is positioned on the outer side of a cervix and used for limiting is fixedly arranged on the outer side wall of the tube body, an adjusting assembly which can extend into the cervix and can adjust the depth of the extending into the cervix is arranged inside the tube body, an dilatation balloon which is positioned inside the cervix and used for dilating the cervix is fixedly arranged at the end part of the adjusting assembly, and the limiting balloon and the dilatation balloon are respectively communicated with a medium injection mechanism; the inside of body still is provided with and is used for carrying out the adjusting part limit structure that limits to the position that adjusting part stretched into the cervix.
According to the technical scheme, the adjusting assembly comprises a movable pushing pipe, a connecting screw rod and a hand wheel, wherein the movable pushing pipe is arranged in the pipe body in a sliding fit mode and partially extends out of the pipe body; the expansion saccule is fixedly arranged on the movable pushing pipe extending out of the pipe body.
Further optimize technical scheme, connecting screw passes through the bearing and rotates the setting on portable thrust pipe.
According to the technical scheme, the adjusting assembly limiting structure comprises a first annular plate and a second annular plate which are fixedly arranged in the pipe body in sequence, through holes with the same inner diameter are formed in the first annular plate and the second annular plate in sequence, and the movable pushing pipe penetrates through the first annular plate in a sliding mode; the limiting cavity is formed among the first annular plate, the second annular plate and the pipe body, a first annular limiting plate and a second annular limiting plate which can slide inside the pipe body are fixedly arranged on the outer side wall of the movable pushing pipe located in the limiting cavity in sequence, and the outer diameters of the first annular limiting plate and the second annular limiting plate are smaller than the inner diameter of the through hole.
According to the technical scheme, the expansion balloon is communicated with the medium injection mechanism through a first connecting catheter which sequentially penetrates through the movable pushing tube and the tube body, and a first valve is arranged on the first connecting catheter.
According to the technical scheme, the limiting balloon is communicated with the medium injection mechanism through a second connecting catheter penetrating through the catheter body, and a second valve is arranged on the second connecting catheter.
Due to the adoption of the technical scheme, the utility model has the following technical progress.
The utility model discloses spacing sacculus expands spacing back, and accessible adjusting part adjusts the position of expansion sacculus in the inside of cervical to the adjusting part limit structure who sets up can restrict the position that the expansion sacculus removed, can not appear inserting the too big condition of the inside degree of depth of cervical, has guaranteed the health of person effectively. The utility model discloses can adjust spacing sacculus and expand interval between the sacculus, strengthen the suitability of device effectively, can be applicable to the cervical of the multiple different length of lying-in woman, can realize the effective expansion to the cervical better.
When needs expand whole cervix, make the expansion sacculus after the inflation remove in the inside of cervix through adjusting part, realize the removal expansion to the cervix, and then realize the expansion to whole cervix effectively.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is a partial cutaway view of the present invention;
fig. 3 is a cross-sectional view of the present invention.
Wherein: 1. the device comprises a pipe body, 2, a limiting balloon, 3, an expanding balloon, 4, an adjusting component, 41, a movable pushing pipe, 42, a connecting screw rod, 43, a bearing, 44, a hand wheel, 5, a first connecting conduit, 6, a second connecting conduit, 7, a first valve, 8, a second valve, 9, an adjusting component limiting structure, 91, a first annular plate, 92, a second annular plate, 93, a first annular limiting plate, 94 and a second annular limiting plate.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments.
A disposable medical cervical dilatation balloon catheter is shown in figures 1 to 3 and comprises a catheter body 1, a limiting balloon 2, an dilatation balloon 3, an adjusting component 4, a medium injection mechanism and an adjusting component limiting structure 9.
The interior of the tube body 1 is hollow cavity-shaped.
The outer side wall of the tube body 1 is fixedly provided with a limiting saccule 2, and the limiting saccule 2 is inserted into the outer side of the cervix for limiting.
The fixed expansion sacculus 3 that is provided with of tip of adjusting part 4, expansion sacculus 3 are located inside the cervix for expand the cervix, and spacing sacculus 2 and expansion sacculus 3 communicate respectively has medium injection mechanism. The medium injection mechanism is an existing injection device, and can sequentially inject mediums such as normal saline or gas into the limiting saccule 2 and the expansion saccule 3.
The limiting saccule 2 is communicated with the medium injection mechanism through a second connecting catheter 6 penetrating through the tube body 1, a second valve 8 is arranged on the second connecting catheter 6, and the second connecting catheter 6 penetrates through the outer side wall of the tube body 1.
Adjusting part 4 sets up in the inside of body 1, can stretch into the cervix uteri to can adjust the degree of depth of stretching into the cervix uteri, and then can adjust the position of expansion sacculus 3 in cervix uteri department, guarantee that whole cervix uteri can both be expanded.
The adjusting component 4 comprises a movable pushing pipe 41 which is arranged inside the pipe body 1 in a sliding fit mode and partially extends out of the pipe body 1, a connecting screw rod 42 which is connected with the movable pushing pipe 41 in a rotating mode and a hand wheel 44 which is arranged at the end portion of the connecting screw rod 42, a threaded hole which enables the connecting screw rod 42 to penetrate is formed in the pipe body 1, an external thread which is matched with the threaded hole in a threaded mode is formed in the side wall of the connecting screw rod 42, the connecting screw rod 42 can move in the pipe body 1 by rotating the connecting screw rod 42, and therefore the movable pushing pipe 41 and the expansion ball bag 3 are driven to move in the cervix, and the purpose of adjusting is achieved.
The dilatation balloon 3 is fixedly arranged on a movable push tube 41 extending out of the tube body 1. The dilatation balloon 3 is connected to the medium injection mechanism through a first connecting catheter 5 passing through the movable push tube 41 and the tube body 1 in sequence, and the first connecting catheter 5 is provided with a first valve 7.
The connecting screw 42 is rotatably provided on the movable pushing pipe 41 through a bearing 43, and when the connecting screw 42 is rotated so that the connecting screw 42 is rotated, the connecting screw 42 is provided on the movable pushing pipe 41 through a bearing, so that the movable pushing pipe 41 can be driven to slide in the pipe body 1.
The inside of body 1 still is provided with the adjusting part limit structure 9 that is used for stretching into the position of cervix to adjusting part 4 and carries out the restriction, and the adjusting part limit structure 9 that sets up can guarantee that expansion sacculus 3 can not stretch into the inside too dark position of cervix, guarantees the safety of the person.
The adjusting assembly limiting structure 9 comprises a first annular plate 91 and a second annular plate 92 which are sequentially and fixedly arranged inside the pipe body 1, through holes with the same inner diameter are sequentially formed in the first annular plate 91 and the second annular plate 92, and the movable pushing pipe 41 penetrates through the first annular plate 91 in a sliding mode. Spacing cavity is formed between first annular plate 91, second annular plate 92 and body 1, and the first annular limiting plate 93 and the second annular limiting plate 94 that can slide inside body 1 are fixed being provided with in proper order on the lateral wall of the portable impulse pipe 41 that is located spacing cavity, and the external diameter of first annular limiting plate 93 and second annular limiting plate 94 all is less than the internal diameter of through-hole.
The utility model discloses when in actual use, insert this device in the inside back of lying-in woman's cervix, spacing sacculus 2 is located the outside of cervix, and the port department of cervix promptly opens second valve 8, constructs through medium injection to 2 inside injection normal saline or gas of spacing sacculus for 2 inflation of spacing sacculus carry on spacingly.
The hand wheel 44 is rotated by hand, the connecting screw rod 42 is driven to rotate by the hand wheel 44, and then the movable pushing tube 41 and the expansion saccule 3 are driven to be adjusted to the proper position in the cervix. Next, the first valve 7 is opened, and the medium injection mechanism injects physiological saline or gas into the inflatable balloon 3 to inflate the inflatable balloon 3, thereby inflating the cervix.
When the whole cervix is required to be dilated, the hand wheel 44 is rotated, so that the dilated saccule 3 moves in the cervix, the cervix is dilated in a moving manner, and the whole cervix is effectively dilated. Because this device is provided with adjusting part limit structure 9, so can not appear inserting the too big condition of degree of depth in the cervix.
Claims (6)
1. Disposable medical cervix dilatation sacculus pipe which is characterized in that: the cervical dilator comprises a tube body (1) with a hollow cavity inside, wherein a limiting saccule (2) which is positioned outside a cervix and used for limiting is fixedly arranged on the outer side wall of the tube body (1), an adjusting component (4) which can extend into the cervix and can adjust the depth of extending into the cervix is arranged inside the tube body (1), an expanding saccule (3) which is positioned inside the cervix and used for expanding the cervix is fixedly arranged at the end part of the adjusting component (4), and the limiting saccule (2) and the expanding saccule (3) are respectively communicated with a medium injection mechanism; the inner part of the tube body (1) is also provided with an adjusting component limiting structure (9) used for limiting the position of the adjusting component (4) extending into the cervix.
2. The disposable medical cervical dilation balloon catheter according to claim 1, wherein: the adjusting assembly (4) comprises a movable pushing pipe (41) which is arranged in the pipe body (1) in a sliding fit mode and partially extends out of the pipe body (1), a connecting screw rod (42) which is rotatably connected with the movable pushing pipe (41) and a hand wheel (44) arranged at the end part of the connecting screw rod (42), a threaded hole for the connecting screw rod (42) to penetrate through is formed in the pipe body (1), and an external thread which is in threaded fit with the threaded hole is formed in the side wall of the connecting screw rod (42); the expansion saccule (3) is fixedly arranged on a movable pushing pipe (41) extending out of the pipe body (1).
3. The disposable medical cervical dilation balloon catheter according to claim 2, wherein: the connecting screw rod (42) is rotatably arranged on the movable pushing pipe (41) through a bearing (43).
4. The disposable medical cervical dilation balloon catheter according to claim 2, wherein: the adjusting component limiting structure (9) comprises a first annular plate (91) and a second annular plate (92) which are sequentially and fixedly arranged in the pipe body (1), through holes with the same inner diameter are sequentially formed in the first annular plate (91) and the second annular plate (92), and the movable pushing pipe (41) penetrates through the first annular plate (91) in a sliding mode; form spacing cavity between first annular plate (91), second annular plate (92) and body (1), be located fixed in proper order on the lateral wall of the portable impulse pipe (41) of spacing cavity and be provided with first annular limiting plate (93) and second annular limiting plate (94) that can slide inside body (1), the external diameter of first annular limiting plate (93) and second annular limiting plate (94) all is less than the internal diameter of through-hole.
5. The disposable medical cervical dilation balloon catheter according to claim 2, wherein: the expansion saccule (3) is communicated with the medium injection mechanism through a first connecting catheter (5) which sequentially penetrates through the movable pushing tube (41) and the tube body (1), and a first valve (7) is arranged on the first connecting catheter (5).
6. The disposable medical cervical dilation balloon catheter according to claim 1, wherein: the limiting balloon (2) is communicated with the medium injection mechanism through a second connecting catheter (6) penetrating through the catheter body (1), and a second valve (8) is arranged on the second connecting catheter (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022186848.1U CN213724321U (en) | 2020-09-29 | 2020-09-29 | Disposable medical cervical dilatation balloon catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022186848.1U CN213724321U (en) | 2020-09-29 | 2020-09-29 | Disposable medical cervical dilatation balloon catheter |
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| Publication Number | Publication Date |
|---|---|
| CN213724321U true CN213724321U (en) | 2021-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022186848.1U Active CN213724321U (en) | 2020-09-29 | 2020-09-29 | Disposable medical cervical dilatation balloon catheter |
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| CN (1) | CN213724321U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115501445A (en) * | 2022-07-13 | 2022-12-23 | 曲阜师范大学 | Medical technical equipment for injection treatment of botulinum toxin for esophageal cricopharyngeal muscle achalasia |
-
2020
- 2020-09-29 CN CN202022186848.1U patent/CN213724321U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115501445A (en) * | 2022-07-13 | 2022-12-23 | 曲阜师范大学 | Medical technical equipment for injection treatment of botulinum toxin for esophageal cricopharyngeal muscle achalasia |
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