CN219941557U - Cervical dilator - Google Patents
Cervical dilator Download PDFInfo
- Publication number
- CN219941557U CN219941557U CN202321406183.8U CN202321406183U CN219941557U CN 219941557 U CN219941557 U CN 219941557U CN 202321406183 U CN202321406183 U CN 202321406183U CN 219941557 U CN219941557 U CN 219941557U
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- China
- Prior art keywords
- liquid guide
- liquid
- channel
- connector
- cervical dilator
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- 239000007788 liquid Substances 0.000 claims abstract description 160
- 230000000916 dilatatory effect Effects 0.000 claims abstract description 6
- 238000004891 communication Methods 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 2
- 210000004712 air sac Anatomy 0.000 claims 2
- 230000010339 dilation Effects 0.000 abstract description 13
- 238000006243 chemical reaction Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 206010000210 abortion Diseases 0.000 description 1
- 231100000176 abortion Toxicity 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
Landscapes
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The utility model relates to the field of medical instruments, in particular to a cervical dilator. The cervical dilator comprises a dilating component, a catheter, a conversion joint and a liquid injector; the expansion assembly comprises a built-in air bag tube and an external air bag sleeve, and the external air bag sleeve is sleeved on the built-in air bag tube; one end of the guide pipe is connected with the expansion assembly, and the other end of the guide pipe is connected with the adapter; the catheter is provided with a first channel and a second channel which are respectively communicated with the built-in balloon tube and the external balloon sleeve; the liquid injector is detachably connected with the conversion joint, and the conversion joint is used for enabling the liquid injector to be communicated with one of the first channel and the second channel or blocked from the first channel and the second channel. The cervical dilator has the advantages of simple structure and convenient use, can improve the efficiency of cervical dilation, improve the dilation effect and avoid discomfort of patients in the dilation process.
Description
Technical Field
The utility model relates to the field of medical instruments, in particular to a cervical dilator.
Background
At present, cervical dilators are widely applied to clinical operations of obstetrics and gynecology, such as induced abortion, hysteroscopy, placement and removal of intrauterine devices, diagnostic curettage and the like, and are aimed at cervical dilation, so as to facilitate examination and treatment of doctors. However, most of the clinical methods are to put the cervical orifice into the cervical orifice through a plurality of dilators with different diameters, so that the cervical orifice is gradually enlarged, and the problems of inconvenient use, poor patient experience and poor dilation effect exist in the way.
Disclosure of Invention
The present utility model provides a cervical dilator to ameliorate the above problems.
The utility model is specifically as follows:
a cervical dilator, which comprises a dilating component, a catheter, a conversion joint and a liquid injector;
the expansion assembly comprises a built-in air bag tube and an external air bag sleeve, and the external air bag sleeve is sleeved on the built-in air bag tube;
one end of the guide pipe is connected with the expansion assembly, and the other end of the guide pipe is connected with the adapter; the catheter is provided with a first channel and a second channel which are respectively communicated with the built-in balloon tube and the external balloon sleeve;
the liquid injector is detachably connected with the conversion joint, and the conversion joint is used for enabling the liquid injector to be communicated with one of the first channel and the second channel or blocked from the first channel and the second channel.
In one embodiment of the present utility model, the adapter comprises a first adapter and a second adapter, the first adapter and the second adapter being rotatably connected;
the first connector is detachably connected with the liquid injector, and the second connector is connected with the guide pipe;
the first joint is provided with a liquid guide cavity communicated with the liquid injector, the second joint is provided with a first liquid guide port and a second liquid guide port, and the first liquid guide port and the second liquid guide port are respectively communicated with the first channel and the second channel;
the first connector is used for rotating relative to the second connector under the action of external force, so that the liquid guide cavity is communicated with one of the first liquid guide port and the second liquid guide port or is blocked from the first liquid guide port and the second liquid guide port.
In one embodiment of the utility model, the first joint is provided with a threaded hole, the threaded hole is communicated with the liquid guide cavity, and the liquid outlet end of the liquid injector is in threaded connection with the threaded hole.
In one embodiment of the present utility model, the first connector is provided with a liquid guiding head, the liquid guiding head is communicated with the liquid guiding cavity, and the liquid guiding head is used for being communicated with one of the first liquid guiding port and the second liquid guiding port.
In one embodiment of the utility model, the liquid guiding head protrudes towards the direction of the second joint;
the second joint is provided with a movable groove, and the liquid guide head is accommodated in the movable groove;
the first liquid guide opening and the second liquid guide opening are both arranged at the bottom of the movable groove.
In one embodiment of the utility model, the side wall of the movable groove is provided with a plurality of positioning parts, and the positioning parts are used for being clamped with the outer peripheral surface of the liquid guide head;
the first liquid guide port and the second liquid guide port correspond to a positioning part;
when the liquid guide head is clamped with one of the positioning parts, the liquid guide head is communicated with one of the first liquid guide port and the second liquid guide port or is blocked from the first liquid guide port and the second liquid guide port.
In one embodiment of the utility model, a portion of the inner balloon tube extends from an end of the outer balloon sleeve facing away from the catheter beyond the outer balloon sleeve.
In one embodiment of the utility model, the outer diameter of the outer balloon sleeve gradually decreases in a direction away from the catheter.
In one embodiment of the utility model, the cervical dilator further comprises a pressure gauge in communication with the inner balloon tube or the outer balloon sleeve.
In one embodiment of the utility model, the cervical dilator further comprises two pressure gauges in communication with the inner balloon tube and the outer balloon sleeve, respectively.
The beneficial effects of the utility model are as follows:
the cervical dilator comprises a dilating component, a catheter, a conversion joint and a liquid injector; the expansion assembly comprises a built-in air bag tube and an external air bag sleeve, and the external air bag sleeve is sleeved on the built-in air bag tube; one end of the guide pipe is connected with the expansion assembly, and the other end of the guide pipe is connected with the adapter; the catheter is provided with a first channel and a second channel which are respectively communicated with the built-in balloon tube and the external balloon sleeve; the liquid injector is detachably connected with the conversion joint, and the conversion joint is used for enabling the liquid injector to be communicated with one of the first channel and the second channel or blocked from the first channel and the second channel. The cervical dilator has the advantages of simple structure and convenient use, can improve the efficiency of cervical dilation, improve the dilation effect and avoid discomfort of patients in the dilation process.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of the structure of a cervical dilator provided by the present utility model;
fig. 2 is a cross-sectional view of the cervical dilator provided by the present utility model;
FIG. 3 is a schematic view of a second joint according to the present utility model;
fig. 4 is a schematic structural diagram of a first joint according to the present utility model.
Icon: 100-cervical dilator; 110-an expansion assembly; 120-conduit; 130-a crossover sub; 140-a liquid injector; 111-an internal balloon tube; 112-an outer balloon sleeve; 121-a first channel; 122-a second channel; 131-a first joint; 132-a second linker; 133-a drainage lumen; 134-a first liquid-guiding port; 135-a second liquid guide port; 136-a liquid guide head; 137-movable groove; 138-positioning part.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the embodiments of the present utility model, it should be noted that, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship conventionally put in use of the product of the application as understood by those skilled in the art, which is merely for convenience of describing the present utility model and simplifying the description, and is not indicative or implying that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate medium. 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.
Referring to fig. 1 and 2, the present embodiment provides a cervical dilator 100, which includes a dilating component 110, a catheter 120, a converting joint 130 and a syringe 140;
the expansion assembly 110 comprises a built-in balloon tube 111 and an outer balloon sleeve 112, wherein the outer balloon sleeve 112 is sleeved on the built-in balloon tube 111;
one end of the catheter 120 is connected with the expansion assembly 110, and the other end of the catheter 120 is connected with the adapter 130; the catheter 120 is provided with a first channel 121 and a second channel 122, and the first channel 121 and the second channel 122 are respectively communicated with the built-in balloon tube 111 and the external balloon sleeve 112;
the injector 140 is detachably connected to the adapter 130, and the adapter 130 is used to make the injector 140 communicate with one of the first channel 121 and the second channel 122 or block the first channel 121 and the second channel 122.
Referring to fig. 1 and 2, the cervical dilator 100 operates according to the following principles:
the cervical dilator 100 includes a dilation assembly 110, a catheter 120, an adapter 130, and an injector 140; wherein, the expansion assembly 110 comprises an inner balloon tube 111 and an outer balloon sleeve 112, and the outer balloon sleeve 112 is sleeved on the inner balloon tube 111; the built-in air bag tube 111 and the external air bag sleeve 112 can independently supply air through the arrangement of the adapter 130, so that the built-in air bag tube 111 and the external air bag sleeve 112 can mutually independently expand or contract;
based on this, after the expansion assembly 110 is inserted into the patient, the connection state of the infusion set 140, the internal balloon tube 111 and the external balloon sleeve 112 can be adjusted through the adapter 130, and then one of the internal balloon tube 111 and the external balloon sleeve 112 can be expanded or contracted through the external infusion set 140, so that the expansion range of the expansion assembly 110 can be increased in such a way, and the expansion requirement of the uterine orifice can be further adapted, so as to reduce or avoid discomfort to the patient in the expansion process;
therefore, the cervical dilator 100 has a simple structure, is convenient to use, can improve the efficiency of cervical dilation, improves the dilation effect, and avoids discomfort of a patient in the dilation process.
Further, referring to fig. 1 and 2, in the present embodiment, when the expansion module 110 is provided, a manner of sleeving the external balloon sleeve 112 on the internal balloon tube 111 is adopted, so that the expansion position can be changed by the expansion of the internal balloon tube 111 or the expansion of the external balloon sleeve 112, thereby improving the expansion effect; and a portion of the inner balloon tube 111 extends out of the outer balloon tube 112 from an end of the outer balloon tube 112 facing away from the catheter 120, the outer diameter of the outer balloon tube 112 gradually decreasing in a direction facing away from the catheter 120; the purpose of such an arrangement is to provide the internal balloon tube 111 with a separate position for dilating the uterine opening during inflation, and to enrich the effect of dilation by expanding the position of the uterine opening by inflation of one or both of the internal balloon tube 111 and the external balloon sleeve 112.
In addition, since the magnitude of the expansion force is detected during the expansion, in the present embodiment, the cervical dilator 100 further includes a pressure gauge in communication with the inner balloon tube 111 or the outer balloon sleeve 112. It should be noted that, when the pressure gauge is set, a pressure gauge may be set, so that the pressure gauge is conducted with the inner balloon tube 111 and the outer balloon sleeve 112 alternatively, so as to detect the pressure after the inflation, thereby detecting the expansion stress, and avoiding discomfort caused by overlarge stress. In yet other embodiments of the present utility model, cervical dilator 100 may further include two pressure gauges in communication with inner balloon tube 111 and outer balloon sleeve 112, respectively.
Further, referring to fig. 1 to 4, when the adaptor 130 is provided, the adaptor 130 is used to selectively connect the syringe 140 with the inner balloon tube 111 and the outer balloon sleeve 112 according to the requirement of use, so that the adaptor 130 may include a first adaptor 131 and a second adaptor 132, and the first adaptor 131 is rotatably connected with the second adaptor 132; the first joint 131 is detachably connected to the injector 140, and the second joint 132 is connected to the conduit 120; the first joint 131 is provided with a liquid guide cavity 133 communicated with the liquid injector 140, the second joint 132 is provided with a first liquid guide port 134 and a second liquid guide port 135, and the first liquid guide port 134 and the second liquid guide port 135 are respectively communicated with the first channel 121 and the second channel 122; the first connector 131 is configured to rotate relative to the second connector 132 under the action of external force, so that the liquid guiding cavity 133 is in communication with one of the first liquid guiding port 134 and the second liquid guiding port 135, or is blocked from the first liquid guiding port 134 and the second liquid guiding port 135.
Therefore, through the above arrangement, the liquid guiding cavity 133 on the first joint 131 is communicated with one of the first liquid guiding port 134 and the second liquid guiding port 135 by the rotation of the first joint 131 relative to the second joint 132, so that the liquid can be replenished into the built-in air bag tube 111 or the external air bag sleeve 112 under the action of the liquid injector 140, so as to expand the air bag tube; in order to avoid the pressure relief of the inner bag tube 111 and the outer bag sleeve 112 at the adapter 130 when the pressure is maintained, the liquid guiding chamber 133 of the first adapter 131 is further provided with a position blocking the first liquid guiding port 134 and the second liquid guiding port 135, so that the liquid in the first liquid guiding port 134 and the second liquid guiding port 135 is prevented from flowing back into the liquid guiding chamber 133.
In order to facilitate the detachable connection of the liquid injector 140 and the first connector 131, the first connector 131 is provided with a threaded hole, the threaded hole is communicated with the liquid guiding cavity 133, and the liquid outlet end of the liquid injector 140 is in threaded connection with the threaded hole.
Referring to fig. 1-4, based on the above-mentioned configuration, in order to facilitate the communication or blocking between the liquid guiding cavity 133 and one of the first liquid guiding port 134 and the second liquid guiding port 135, the first connector 131 is provided with a liquid guiding head 136, the liquid guiding head 136 is communicated with the liquid guiding cavity 133, and the liquid guiding head 136 is used for communicating with one of the first liquid guiding port 134 and the second liquid guiding port 135; and the liquid guiding head 136 protrudes toward the second joint 132; the second joint 132 is provided with a movable groove 137, and the liquid guide head 136 is accommodated in the movable groove 137; the first liquid guiding opening 134 and the second liquid guiding opening 135 are both formed at the bottom of the movable groove 137.
Thus, when the first connector 131 rotates to a position where the liquid guiding head 136 is opposite to the first liquid guiding port 134 and is communicated with the first liquid guiding port 134, the liquid injector 140 can inject liquid into the built-in air bag tube 111 through the first liquid guiding port 134 and the first channel 121; when the first connector 131 rotates to a position where the liquid guiding head 136 is opposite to the second liquid guiding opening 135 and is communicated with the second liquid guiding opening 135, the liquid injector 140 can inject liquid into the external air bag sleeve 112 through the second liquid guiding opening 135 and the second channel 122; when the first joint 131 rotates to a position where the first liquid guiding port 134 and the second liquid guiding port 135 are not located in the bottom area of the movable groove 137 opposite to the liquid guiding head 136, the liquid guiding head 136 is blocked from the first liquid guiding port 134 and the second liquid guiding port 135, and at this time, the liquid injector 140 is blocked from the inner bag tube 111 and the outer bag sleeve 112.
To sum up, when the first joint 131 is rotated, it includes a position where the liquid guiding head 136 is conducted with the first liquid guiding port 134, a position where the liquid guiding head 136 is conducted with the second liquid guiding port 135, and a position where the liquid guiding head 136 is blocked from the first liquid guiding port 134 and the second liquid guiding port 135, based on which, in order to keep the first joint 131 in the state of the above-mentioned positions, a plurality of positioning portions 138 are provided on the side wall of the movable groove 137, and the positioning portions 138 are used for being engaged with the outer peripheral surface of the liquid guiding head 136; the first liquid guiding port 134 and the second liquid guiding port 135 correspond to one positioning portion 138; when the liquid guiding head 136 is engaged with one of the positioning portions 138, the liquid guiding head 136 is connected to one of the first liquid guiding port 134 and the second liquid guiding port 135, or is blocked from the first liquid guiding port 134 and the second liquid guiding port 135. Therefore, the liquid guiding head 136 is engaged with one of the positioning portions 138, so as to position and maintain the corresponding position of the liquid guiding head 136, thereby improving the use stability.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. A cervical dilator, characterized in that:
the cervical dilator comprises a dilating component, a catheter, an adapter and a liquid injector;
the expansion assembly comprises a built-in air bag tube and an external air bag sleeve, and the external air bag sleeve is sleeved on the built-in air bag tube;
one end of the catheter is connected with the expansion assembly, and the other end of the catheter is connected with the adapter; the catheter is provided with a first channel and a second channel, and the first channel and the second channel are respectively communicated with the built-in air sac tube and the external air sac sleeve;
the liquid injector is detachably connected with the adapter, and the adapter is used for enabling the liquid injector to be communicated with one of the first channel and the second channel or blocked from the first channel and the second channel.
2. Cervical dilator according to claim 1, characterized in that:
the adapter comprises a first connector and a second connector, and the first connector is rotatably connected with the second connector;
the first connector is detachably connected with the liquid injector, and the second connector is connected with the catheter;
the first connector is provided with a liquid guide cavity communicated with the liquid injector, the second connector is provided with a first liquid guide port and a second liquid guide port, and the first liquid guide port and the second liquid guide port are respectively communicated with the first channel and the second channel;
the first connector is used for rotating relative to the second connector under the action of external force, so that the liquid guide cavity is communicated with one of the first liquid guide port and the second liquid guide port or is blocked from the first liquid guide port and the second liquid guide port.
3. Cervical dilator according to claim 2, characterized in that:
the first joint is provided with a threaded hole, the threaded hole is communicated with the liquid guide cavity, and the liquid outlet end of the liquid injector is in threaded connection with the threaded hole.
4. Cervical dilator according to claim 2, characterized in that:
the first connector is provided with a liquid guide head, the liquid guide head is communicated with the liquid guide cavity, and the liquid guide head is used for being communicated with one of the first liquid guide port and the second liquid guide port.
5. The cervical dilator of claim 4 wherein:
the liquid guide head protrudes towards the direction of the second joint;
the second connector is provided with a movable groove, and the liquid guide head is accommodated in the movable groove;
the first liquid guide opening and the second liquid guide opening are both arranged at the bottom of the movable groove.
6. The cervical dilator of claim 5 wherein:
the side wall of the movable groove is provided with a plurality of positioning parts which are used for being clamped with the outer peripheral surface of the liquid guide head;
the first liquid guide port and the second liquid guide port correspond to one positioning part;
when the liquid guide head is clamped with one of the positioning parts, the liquid guide head is communicated with one of the first liquid guide port and the second liquid guide port or is blocked from the first liquid guide port and the second liquid guide port.
7. The cervical dilator according to any one of claims 1 to 6 wherein:
the portion of the inner balloon tube extends from the end of the outer balloon sleeve facing away from the catheter beyond the outer balloon sleeve.
8. The cervical dilator according to any one of claims 1 to 6 wherein:
the outer diameter of the outer balloon sleeve gradually decreases in a direction away from the catheter.
9. The cervical dilator according to any one of claims 1 to 6 wherein:
the cervical dilator further includes a pressure gauge in communication with the inner balloon tube or the outer balloon sleeve.
10. The cervical dilator according to any one of claims 1 to 6 wherein:
the cervical dilator further comprises two pressure gauges, and the two pressure gauges are respectively communicated with the built-in balloon tube and the external balloon sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321406183.8U CN219941557U (en) | 2023-06-05 | 2023-06-05 | Cervical dilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321406183.8U CN219941557U (en) | 2023-06-05 | 2023-06-05 | Cervical dilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219941557U true CN219941557U (en) | 2023-11-03 |
Family
ID=88547415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321406183.8U Active CN219941557U (en) | 2023-06-05 | 2023-06-05 | Cervical dilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219941557U (en) |
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2023
- 2023-06-05 CN CN202321406183.8U patent/CN219941557U/en active Active
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