CN212089697U - Cervical dilator - Google Patents

Abstract

The utility model provides a cervical dilator belongs to medical equipment technical field, has solved cervical dilation operation difficult, easily cause the secondary damage problem. Including push rod subassembly and loop bar subassembly, push rod subassembly is including linking the axle, and the one end of linking the axle is rotated and is connected with first connecting rod and second connecting rod, and the tip of first connecting rod and second connecting rod rotates respectively and is connected with first fagging and second fagging, and loop bar subassembly includes the sleeve pipe, and sleeve pipe slip cover is established at linking epaxially, and the intraduct is provided with a plurality of gas injection pipes, and first fagging and second fagging are all connected to the gas injection pipe, are provided with first gasbag, second gasbag and third gasbag on the first fagging. The utility model can rapidly and sequentially inject gas for expansion through the matching of the gas injection pipe with the first air bag, the second air bag and the third air bag, so that the cervix expansion can be expanded at one time, the subsequent examination and treatment are convenient, and the secondary damage is avoided; first fagging and second fagging can open relatively, satisfy the needs that bigger expansion propped open, and application scope is wider.

Description

Cervical dilator

Technical Field

The utility model belongs to the technical field of medical equipment, especially a cervical dilator.

Background

Tissue augmentation is used in various surgical procedures, temporary augmentation of the gynecological cervical canal, either naturally during labor, or artificially in various ways; the abortion suction head is mainly used for abortion operations or other operations, wherein in the early pregnant women who do not have abortion, the cervical orifice is tight and almost closed, and the abortion suction head is thick, so that the cervical canal needs to be expanded.

The existing cervical dilation equipment generally utilizes a plurality of mechanical dilators with different pipe diameter standards to quantitatively dilate the cervix step by step, if a small dilator is used for opening the cervix, then dilators with other pipe diameter standards are used for gradually dilating the cervix, so that a user needs to repeatedly operate to cause time waste, and secondary injury is easily caused when the dilator is replaced for dilation, thereby aggravating the pain of a patient and seriously affecting health.

While mechanical dilators force the tissue to expand faster than the dehydration rate allows, and this can lead to rupture of the cell membrane and subsequent tissue damage, even scarring.

Therefore, there is a need for a disposable, progressive cervical dilator that allows for faster and safer cervical dilator procedures.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having the above-mentioned problem to current technique, provided a cervical dilator, the technical problem that the device will solve is: how to rapidly and conveniently open the cervix uteri by dilation and avoid causing secondary injury.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a seed cervical dilator, includes push rod subassembly and loop bar subassembly, push rod subassembly is including linking the axle, the one end of linking the axle is rotated and is connected with first connecting rod and second connecting rod, the tip of first connecting rod and second connecting rod rotates respectively and is connected with first fagging and second fagging, loop bar subassembly includes the sleeve pipe, sleeve pipe slip cap is established and is linked epaxially, the intraduct is provided with a plurality of gas injection pipes, first fagging and second fagging are all connected to the gas injection pipe, be provided with first gasbag in the first fagging, second gasbag and third gasbag, first fagging and second fagging structure are the same, and be the mirror image setting.

The utility model discloses a theory of operation: connecting a gas injection pipe with gas injection equipment, holding a push rod assembly and a loop bar assembly by medical personnel, inserting a first support plate and a second support plate which are jointed into a cervical orifice, starting the gas injection equipment, injecting gas into first air bags of the first support plate and the second support plate through gas injection pipes to expand, expanding the cervical orifice, sequentially injecting gas into second air bags and third air bags according to needs, and gradually expanding and expanding the cervical orifice, so that the cervix can be expanded at one time, and the vagina and cervix can be conveniently and subsequently checked and treated; when some diseases need to be expanded and expanded, the connecting shaft is pulled inwards, the connecting shaft slides in the sleeve, and when the connecting shaft slides inwards, the first connecting rod and the second connecting rod are pulled, the first supporting plate is pulled by the first connecting rod, the second supporting plate is pulled by the second connecting rod, the first supporting plate and the second supporting plate are unfolded relatively, so that the cervical orifice is expanded to be larger, and secondary damage is avoided when the expander is replaced.

The push rod assembly further comprises a handle, a screw rod and a bearing, the bearing is fixed to the other end of the connecting shaft, one end of the screw rod is connected to the inner ring of the bearing in an interference fit mode, the handle is fixed to the other end of the screw rod, and a handle protrusion is fixed to the handle and is arranged on the two sides of the handle.

By adopting the structure, the handle is rotated by the handle, the handle is driven to rotate, namely, the screw rod is driven to rotate around the bearing, and meanwhile, the connecting shaft is ensured not to rotate.

The platform is arranged above the connecting shaft, a pipe placing cavity is formed between the connecting shaft and the sleeve, and the gas injection pipe is positioned in the pipe placing cavity.

Structure more than adopting, the gas injection pipe is putting inside the pipe cavity, conveniently carries out the gas injection through the gas injection pipe to first fagging and second fagging.

The loop bar assembly further comprises an anti-slip bar, a sleeve and a rotating shaft, an internal thread is arranged inside the anti-slip bar and is in threaded fit with the screw, the anti-slip bar is fixed at one end of the sleeve, a through pipe is fixed on one side, close to the anti-slip bar, above the sleeve, and a rotating shaft is fixed inside the other end of the sleeve.

Structure more than adopting, screw rod and antiskid pole screw-thread fit rotate for twist into and screw out the screw rod, the rotation axis is used for rotating and connects first fagging and second fagging, and the siphunculus is used for installing the gas injection pipe.

The tip of first fagging is fixed with the articulated slab, the tip of articulated slab rotates with first connecting rod and second connecting rod respectively and is connected, the middle part and the rotation axis of articulated slab rotate to be connected, first gasbag, second gasbag and third gasbag set gradually from inside to outside respectively, the side of first fagging is provided with three breather pipe, three breather pipe respectively with first gasbag, second gasbag and third gasbag are connected, second fagging and first fagging structure are the same, and be the mirror image setting, first gasbag after the gas injection, the volume of second gasbag and third gasbag increases in proper order.

Structure more than adopting, the tip of articulated slab rotates with first connecting rod and second connecting rod respectively to through pulling first connecting rod and second connecting rod, the articulated slab of the first fagging of pulling and second fagging rotates around the rotation axis, thereby makes first fagging and second fagging open, carries out the gas injection through first gasbag, second gasbag and the third gasbag of breather pipe first fagging and second fagging respectively.

The gas injection pipe is including being responsible for and three way connection, and the siphunculus is stretched out to the one end of being responsible for, and three way connection connects at the other end of being responsible for, and three way connection's other both ends are connected with the branch pipe respectively, and two branch pipes are connected with the breather pipe that corresponds of first fagging and second fagging respectively.

Structure more than adopting, the one end of being responsible for stretches out the siphunculus and connects the gas injection equipment, and gas is through being responsible for via three way connection, two branch pipes of rethread, then lets in the breather pipe, carries out the gas injection to first gasbag, second gasbag and third gasbag respectively.

Compared with the prior art, the cervical dilator has the following advantages:

when the first air bag, the second air bag and the third air bag are not used, the first air bag, the second air bag and the third air bag are accommodated in the first supporting plate and the second supporting plate, so that the space is not occupied, and the first air bag, the second air bag and the third air bag can be conveniently inserted into a cervical orifice; the gas injection pipe is matched with the first gas bag, the second gas bag and the third gas bag of the first supporting plate and the second supporting plate, so that gas can be rapidly injected and expanded in sequence to enlarge a cervical orifice, the cervix can be gradually expanded and expanded in one step, the examination and treatment of the vagina and the cervix can be conveniently carried out in the follow-up process, and the secondary damage can be avoided; adopt even axle and first connecting rod and the cooperation of second connecting rod, first connecting rod and second connecting rod respectively with the articulated slab and the rotation axis normal running fit of first fagging and the cooperation of second fagging, first fagging and second fagging, can open fast and closed first fagging and second fagging, satisfy the needs that the bigger expansion of some diseases was strutted, it is more convenient to use, application scope is wider.

Drawings

Fig. 1 is a schematic perspective view of the present invention when closed;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

fig. 3 is a schematic perspective view of the present invention when it is opened;

FIG. 4 is a schematic perspective view of the present invention with the loop bar removed;

FIG. 5 is a schematic view of the first bladder of the present invention when inflated;

FIG. 6 is a schematic view of the structure of all the air bags of the present invention when inflated;

in the figure: the device comprises a push rod assembly 1, a handle 1a, a screw rod 1b, a bearing 1c, a connecting shaft 1d, a handle boss 1e, a loop bar assembly 2, an antiskid rod 2a, a through pipe 2b, a sleeve pipe 2c, a rotating shaft 2d, a first supporting plate 3, a hinged plate 3a, a first air bag 3b, a second air bag 3c, a third air bag 3d, a vent pipe 3e, a second supporting plate 4, a first connecting rod 5, a second connecting rod 6, a gas injection pipe 7, a main pipe 7a, a tee joint 7b and a branch pipe 7 c.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are intended to be construed broadly, e.g., as meaning fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-6, the present embodiment provides a cervical dilator, including a push rod assembly 1 and a sleeve rod assembly 2, where the push rod assembly 1 includes a connecting shaft 1d, one end of the connecting shaft 1d is rotatably connected with a first connecting rod 5 and a second connecting rod 6, ends of the first connecting rod 5 and the second connecting rod 6 are respectively rotatably connected with a first supporting plate 3 and a second supporting plate 4, the sleeve rod assembly 2 includes a sleeve 2c, the sleeve 2c is slidably sleeved on the connecting shaft 1d, a plurality of gas injection pipes 7 are arranged inside the sleeve 2c, the gas injection pipes 7 are connected with the first supporting plate 3 and the second supporting plate 4, the first supporting plate 3 is provided with a first gas bag 3b, a second gas bag 3c and a third gas bag 3d, and the first supporting plate 3 and the second supporting plate 4 have the same structure and are arranged in a mirror image; connecting an air injection pipe 7 with air injection equipment, holding a push rod assembly 1 and a loop bar assembly 2 by medical personnel, inserting a first supporting plate 3 and a second supporting plate 4 which are jointed into a cervical orifice, starting the air injection equipment, injecting air into a first air bag 3b of the first supporting plate 3 and a second air bag 3b of the second supporting plate 4 through the air injection pipe 7 to expand so as to open the cervical orifice, sequentially injecting air into a second air bag 3c and a third air bag 3d according to needs, gradually expanding and opening the cervix one by one, avoiding secondary damage when replacing the dilator, and facilitating subsequent examination and treatment of the vagina and cervix; when some diseases still need to be expanded and propped open, the connecting shaft 1d is pulled inwards, the connecting shaft 1d slides in the sleeve 2c, and when the diseases slide inwards, the first connecting rod 5 and the second connecting rod 6 are pulled, the first supporting plate 3 is pulled by the first connecting rod 5, the second supporting plate 4 is pulled by the second connecting rod 6, the first supporting plate 3 and the second supporting plate 4 are relatively unfolded, so that the cervical orifice is propped open more, and the application range is wider.

The push rod assembly 1 further comprises a handle 1a, a screw rod 1b and a bearing 1c, the bearing 1c is fixed at the other end of the connecting shaft 1d, one end of the screw rod 1b is connected inside an inner ring of the bearing 1c in an interference fit mode, the handle 1a is fixed at the other end of the screw rod 1b, and handle protrusions 1e arranged on two sides of the handle 1a are fixed on the handle 1 a; the handle toggle handle 1e rotates to drive the handle 1a to rotate, namely, the screw rod 1b is driven to rotate around the bearing 1c, and meanwhile, the connecting shaft 1d is ensured not to rotate.

A platform is arranged above the connecting shaft 1d, a pipe placing cavity is formed between the connecting shaft 1d and the sleeve 2c, and the gas injection pipe 7 is positioned in the pipe placing cavity; the gas injection pipe 7 is arranged in the pipe cavity, and the first supporting plate 3 and the second supporting plate 4 are conveniently injected with gas through the gas injection pipe 7.

The loop bar assembly 2 further comprises an anti-slip bar 2a, a sleeve 2c and a rotating shaft 2d, wherein an internal thread is arranged inside the anti-slip bar 2a and is in threaded fit with the screw 1b, the anti-slip bar 2a is fixed at one end of the sleeve 2c, a through pipe 2b is fixed on one side, close to the anti-slip bar 2a, above the sleeve 2c, and the rotating shaft 2d is fixed inside the other end of the sleeve 2 c; screw rod 1b and antiskid pole 2a screw-thread fit rotate for screw in and screw out screw rod 1b, rotation axis 2d is used for rotating and connects first fagging 3 and second fagging 4, and siphunculus 2b is used for installing gas injection pipe 7.

A hinged plate 3a is fixed at the end part of the first supporting plate 3, the end part of the hinged plate 3a is respectively connected with a first connecting rod 5 and a second connecting rod 6 in a rotating way, the middle part of the hinged plate 3a is connected with a rotating shaft 2d in a rotating way, a first air bag 3b, a second air bag 3c and a third air bag 3d are respectively arranged from inside to outside in sequence, three vent pipes 3e are arranged on the side surface of the first supporting plate 3, the three vent pipes 3e are respectively connected with the first air bag 3b, the second air bag 3c and the third air bag 3d, the second supporting plate 4 and the first supporting plate 3 have the same structure and are arranged in a mirror image way, and the volumes of the first air bag 3b, the second air bag 3c and the third air bag 3d after gas; the tip of articulated slab 3a rotates with first connecting rod 5 and second connecting rod 6 respectively to be connected, thereby through pulling first connecting rod 5 and second connecting rod 6, the articulated slab 3a of the first fagging 3 of pulling and second fagging 4 rotates around rotation axis 2d, thereby make first fagging 3 and second fagging 4 open, respectively to the first gasbag 3b of first fagging 3 and second fagging 4 through breather pipe 3e, the gas injection is carried out to second gasbag 3c and third gasbag 3d, can once only strut the gradual expansion of cervix, when avoiding changing the expander, cause secondary damage.

The gas injection pipe 7 comprises a main pipe 7a and a three-way joint 7b, one end of the main pipe 7a extends out of the through pipe 2b, the three-way joint 7b is connected to the other end of the main pipe 7a, the other two ends of the three-way joint 7b are respectively connected with branch pipes 7c, and the two branch pipes 7c are respectively connected with the corresponding vent pipes 3e of the first supporting plate 3 and the second supporting plate 4; one end of the main pipe 7a extends out of the through pipe 2b to be connected with gas injection equipment, gas passes through the main pipe 7a through the three-way joint 7b and then enters the two branch pipes 7c, and then enters the vent pipe 3e to respectively inject gas into the first airbag 3b, the second airbag 3c and the third airbag 3 d.

The utility model discloses a theory of operation:

one end of a main pipe 7a of the three gas injection pipes 7, which extends out of a through pipe 2b, is connected with gas injection equipment, a medical worker holds an antiskid rod 2a with one hand, holds a handle 1a with the other hand, inserts a first supporting plate 3 and a second supporting plate 4 which are adhered together into a cervical orifice, starts the gas injection equipment, injects gas into the gas injection pipe 7 connected with a first gas bag 3b, injects the gas through the main pipe 7a via a three-way joint 7b and then into two branch pipes 7c, then introduces a vent pipe 3e, injects gas into the first gas bag 3b, expands the first gas bag 3b to form a circular truncated cone shape after expansion, performs first expansion and support on the cervical orifice, the cervical orifice needs to be gradually expanded and gradually expanded, then injects gas into the gas injection pipe 7 connected with a second gas bag 3c and a third gas bag 3d, the first gas bag 3b, the second gas bag 3c and the third gas bag 3d form a larger circular truncated cone shape, and after the cervical orifice is expanded and supported, the cervix can be dilated at one time, so that the examination and treatment of the vagina and the cervix can be conveniently carried out subsequently;

when some diseases still need to be expanded to expand and support a large cervical orifice, medical staff can use the anti-slip rod 2a with one hand and use the toggle handle 1e with the other hand to rotate, the handle 1a is driven to rotate, the screw rod 1b is driven to rotate, the anti-slip rod 2a is screwed out from the screw rod 1b, the screw rod 1b is driven to rotate around the bearing 1c, the bearing 1c is pulled backwards, the bearing 1c pulls the connecting shaft 1d, the first connecting rod 5 and the second connecting rod 6 are pulled, the first supporting plate 3 is pulled by the first connecting rod 5, the second supporting plate 4 is pulled by the second connecting rod 6, the first supporting plate 3 and the second supporting plate 4 rotate and expand around the rotating shaft 2d relatively, the cervical orifice is expanded to be larger, the treatment requirement is met, secondary damage is avoided when the expander is replaced, and the application range is wider.

To sum up, the first air bag 3b, the second air bag 3c and the third air bag 3d are accommodated in the first supporting plate 3 and the second supporting plate 4 when not in use, so that the space is not occupied, and the insertion into the cervical orifice is convenient; the gas injection pipe 7 is matched with the first gas bag 3b, the second gas bag 3c and the third gas bag 3d of the first supporting plate 3 and the second supporting plate 4, so that gas can be rapidly and sequentially injected for expansion, a cervical orifice can be enlarged, the cervix can be gradually expanded and expanded at one time, secondary damage is avoided, and the vagina and cervix can be conveniently checked and treated subsequently; adopt even axle 1d and the cooperation of first connecting rod 5 and second connecting rod 6, first connecting rod 5 and second connecting rod 6 respectively with the cooperation of first fagging 3 and second fagging 4, the articulated slab 3a and the rotation axis 2d normal running fit of first fagging 3 and second fagging 4, can expand fast and closed first fagging 3 and second fagging 4, satisfy the needs that some diseases more expansion struts, it is more convenient to use, application scope is wider.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims (6)

1. A cervical dilator comprises a push rod assembly (1) and a loop bar assembly (2), and is characterized in that the push rod assembly (1) comprises a connecting shaft (1 d), one end of the connecting shaft (1 d) is rotatably connected with a first connecting rod (5) and a second connecting rod (6), the end parts of the first connecting rod (5) and the second connecting rod (6) are respectively rotatably connected with a first supporting plate (3) and a second supporting plate (4), the loop bar assembly (2) comprises a sleeve (2 c), the sleeve (2 c) is slidably sleeved on the connecting shaft (1 d), a plurality of gas injection pipes (7) are arranged inside the sleeve (2 c), the gas injection pipes (7) are respectively connected with the first supporting plate (3) and the second supporting plate (4), the first supporting plate (3) is provided with a first gas bag (3 b), a second gas bag (3 c) and a third gas bag (3 d), and the first supporting plate (3) and the second supporting plate (4) have the same structure, and are arranged in mirror image.

2. The cervical dilator according to claim 1, wherein the push rod assembly (1) further comprises a handle (1 a), a screw rod (1 b) and a bearing (1 c), the bearing (1 c) is fixed at the other end of the connecting shaft (1 d), one end of the screw rod (1 b) is connected inside an inner ring of the bearing (1 c) in an interference fit manner, the handle (1 a) is fixed at the other end of the screw rod (1 b), and handle protrusions (1 e) arranged on two sides of the handle (1 a) are fixed on the handle.

3. The cervical dilator according to claim 1, wherein a platform is provided above the connecting shaft (1 d), a tube placing cavity is formed between the connecting shaft (1 d) and the sleeve (2 c), and the gas injection tube (7) is located inside the tube placing cavity.

4. The cervical dilator according to claim 2, wherein the loop bar assembly (2) further comprises an anti-slip bar (2 a), a sleeve (2 c) and a rotating shaft (2 d), an internal thread is arranged inside the anti-slip bar (2 a), the internal thread is in threaded fit with the screw (1 b), the anti-slip bar (2 a) is fixed at one end of the sleeve (2 c), a through pipe (2 b) is fixed at one side of the upper part of the sleeve (2 c) close to the anti-slip bar (2 a), and the rotating shaft (2 d) is fixed inside the other end of the sleeve (2 c).

5. The cervical dilator according to claim 4, wherein a hinged plate (3 a) is fixed to an end of the first support plate (3), the end of the hinged plate (3 a) is rotatably connected to the first connecting rod (5) and the second connecting rod (6) respectively, a middle portion of the hinged plate (3 a) is rotatably connected to the rotating shaft (2 d), the first air bag (3 b), the second air bag (3 c) and the third air bag (3 d) are sequentially arranged from inside to outside respectively, three vent pipes (3 e) are arranged on a side surface of the first support plate (3), the three vent pipes (3 e) are connected to the first air bag (3 b), the second air bag (3 c) and the third air bag (3 d) respectively, and the volumes of the first air bag (3 b), the second air bag (3 c) and the third air bag (3 d) after air injection are sequentially increased.

6. The cervical dilator according to claim 4, wherein the gas injection tube (7) comprises a main tube (7 a) and a three-way joint (7 b), one end of the main tube (7 a) extends out of the through tube (2 b), the three-way joint (7 b) is connected to the other end of the main tube (7 a), the other two ends of the three-way joint (7 b) are respectively connected with a branch tube (7 c), and the two branch tubes (7 c) are respectively connected with the corresponding vent tubes (3 e) of the first support plate (3) and the second support plate (4).

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