CN114504367A

CN114504367A - Visual suction device

Info

Publication number: CN114504367A
Application number: CN202210222434.0A
Authority: CN
Inventors: 杨翔; 郝进争; 王臣峰
Original assignee: Shanghai Yodo Medical Technology Co ltd
Current assignee: Shanghai Yodo Medical Technology Co ltd
Priority date: 2022-03-07
Filing date: 2022-03-07
Publication date: 2022-05-17

Abstract

The invention discloses a visual attraction device, which comprises an operating rod, a first end and a second end, wherein the operating rod is provided with the first end and the second end; an airflow channel and a suction channel are arranged between the first end and the second end, and both the airflow channel and the suction channel are arranged inside the rod body of the operating rod; both ends of the airflow channel and both ends of the suction channel are in an open state; the first end is provided with a camera and an air bag, the air bag is transparent and flexible, an opening of the airflow channel at the first end and the camera are arranged in the air bag, and the joint of the air bag and the first end is sealed; the air breather is communicated with the air flow channel, and the suction device is communicated with the suction channel. The device is ingenious in design and novel in structure, can quickly confirm the position of the pregnant sac and perform fixed-point suction to remove the pregnant sac, and has remarkable popularization and application significance.

Description

Visual suction device

Technical Field

The invention relates to the technical field of medical equipment, in particular to a visual suction device.

Background

The visual abortion is to convert the blind suction of the uterine cavity into fixed-point direct-viewing suction under an endoscope, so that extensive damage and uterine cavity adhesion caused by the blind suction to the endometrium can be reduced. At present, the operation amount per year in China exceeds 10 thousands of cases per year.

The uterus expansion is to inject the liquid into the uterine cavity of the patient directly, so that the uterine cavity of the patient is expanded, the volume in the uterine cavity is increased, the volume of the uterine cavity of the patient is increased, and the operation of an operator is facilitated.

In the gestational state, if the uterus cavity is directly injected with liquid for uterus expansion operation, the liquid for uterus expansion inevitably contacts with the inner wall of the uterus cavity, so that the risks of ectopic villi and iatrogenic implantation exist.

Therefore, the current visual abortion techniques are non-womb-expanding operations, namely, the devices are inserted into the uterine cavity of a patient in a non-womb-expanding state, the position of the pregnant sac can be determined by continuously moving the surgical devices and repeatedly observing, the observation is difficult, the learning difficulty is high, and the technique is difficult to widely popularize and apply.

Therefore, it is necessary to solve the above-mentioned technical problems.

Disclosure of Invention

Aiming at the technical problems, the invention provides a visual suction device which can clearly observe the overall appearance of a pregnant sac, shorten the difficulty in positioning the pregnant sac, accelerate the operation efficiency and avoid the risks of ectopic villi and iatrogenic planting caused by direct uterus expansion through liquid. The technical scheme adopted by the invention is as follows:

a visual attraction device comprising:

an operating rod having a first end and a second end;

an airflow channel and a suction channel are arranged between the first end and the second end, and both the airflow channel and the suction channel are arranged inside the rod body of the operating rod;

both ends of the airflow channel and both ends of the suction channel are in an open state;

the first end is provided with a camera and an air bag, the air bag is transparent and flexible, an opening of the airflow channel at the first end and the camera are arranged in the air bag, and the joint of the air bag and the first end is sealed;

the air breather is communicated with the air flow channel, and the suction device is communicated with the suction channel.

In some embodiments, the first end is provided with an arc-shaped protective cap, the protective cap is buckled on the end face of the first end, and the opening cross section of the protective cap is the same as the end face of the first end in shape.

In some embodiments, the airflow passage opening at the first end is provided on an end surface of the lever, and the suction passage opening at the first end is provided on a side wall of the lever.

In some embodiments, the airflow passage opening at the first end and the camera are both located on an end surface of the first end, the end surface of the first end is also located inside the airbag, the helmet is transparent, a gap is formed between the helmet and the end surface of the first end, and the airflow enters the airbag.

In some embodiments, the suction channel opening at the first end is provided on a sidewall of the suction channel, recessed in a radial direction of the suction channel, and shaped in a "U".

In some embodiments, the contour lines of the suction channel openings constituting the "U" shape are all set to an edged state.

In some embodiments, the lever is provided with at least one bend angle, the bend angle being proximate to the first end.

In some embodiments, an air bag switch is arranged between the air flow channel and the ventilation device, the ventilation device is an injector, and a buckle is arranged at the opening of the suction channel at the second end so as to be conveniently connected with an external suction device.

In some embodiments, the operating rod is provided with an operating handle, so that an operator can hold the operating rod conveniently.

In some embodiments, an air bag receiving channel with two open ends is arranged between the first end and the second end, a pulling rope is arranged in the air bag receiving channel in a penetrating manner, and one end of the pulling rope is fixed on the air bag. Compared with the prior art, the invention has the beneficial effects that:

1. the air bag is arranged at the first end of the uterus dilating instrument, the uterine cavity can be dilated by expanding the air bag after the air bag is filled with fluid, the uterus dilating effect is achieved, the fluid cannot be directly contacted with the uterine cavity of a patient, and the risks of ectopic villi and iatrogenic planting caused by the fact that the fluid directly dilates the uterus are avoided.

2. According to the invention, the camera and the air bag are arranged at the first end, the airflow channel opening and the camera which are positioned at the first end are arranged in the air bag, and after the air bag is inflated, a 'visible space' is formed in front of the camera, so that the pregnant bag position can be quickly and accurately found.

3. According to the invention, the opening of the suction channel positioned at the first end is arranged on the side wall of the operating rod, the opening area of the suction channel is not limited by the size of the end surface of the operating rod, so that the suction efficiency can be effectively improved, the operation time can be shortened, and the safety can be improved.

4. According to the suction device, the arc-shaped protective cap with the size same as that of the end face of the first end is arranged at the first end, so that the damage of one end in a uterine cavity to the inner wall of the uterine cavity is avoided during operation, and the bending angle is arranged on the operating rod, so that the moving range of the first end in the uterine cavity can be greatly enlarged.

In conclusion, the device has the advantages of ingenious design and novel structure, can quickly confirm the position of the pregnant sac and perform fixed-point suction to remove the pregnant sac, and has remarkable popularization and application significance.

Drawings

The above features, technical features, advantages and modes of realisation of the present invention will be further described in the following detailed description of preferred embodiments thereof, which is to be read in connection with the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of a preferred embodiment of the invention after inflation;

FIG. 2 is a schematic view of the overall structure of the preferred embodiment of the invention when the bladder is not inflated;

fig. 3 is an enlarged schematic view of the structure at a in fig. 2.

The reference numbers illustrate: 1 is uterus, 2 is cervical orifice, 3 is pregnant bag, 4 is air current passageway, 5 is suction channel, 6 is the camera, 7 is the gasbag, 8 is the action bars, 9 is the helmet, 10 is the gasbag switch, 11 is the syringe, 12 is the buckle, 13 is the operation handle.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will be made with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort.

For the sake of simplicity, only the parts relevant to the invention are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

In this context, it is to be understood that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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.

In addition, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.

The invention relates to the technical field of medical equipment, and provides a visual suction device which can go deep into a uterus 1 through a cervical orifice 2 to perform fixed-point suction and removal on a pregnant sac 3 in the uterus 1, and specifically comprises an operating rod 8, wherein the operating rod 8 is provided with a first end and a second end, an airflow channel 4 and a suction channel 5 are arranged between the first end and the second end, the airflow channel 4 is used for allowing airflow to pass through, the pregnant sac 3 in the uterus 1 can be sucked through the suction channel 5, and both ends of the airflow channel 4 and both ends of the suction channel 5 are in an open state.

The first end be provided with camera 6 and gasbag 7, gasbag 7 is transparent and have the elasticity, gasbag 7 aerifys back grow, dwindles after the gassing, be located the airflow channel opening of first end with camera 6 sets up inside gasbag 7, gasbag 7 with the junction of first end is sealed, can aerify (generally 3-8ml, equal with palace chamber residual volume, atmospheric pressure is inadequately too high, allow the camera can do necessary activity) to the inside gasbag 7 through airflow channel 4, form "visual space" in camera 6 the place ahead, camera 6 design focal length is 5-50mm, field of view angle is more than or equal to 140 degrees, and 0-30 degree is looked at to the angle, and in the inflation state, camera 6 can be around, about, up and down activity, quick, accurate seek pregnant bag 3 position. After confirming the pregnant sac 3 position, deflating the air sac 7, enabling the suction channel opening at the first end to be close to the pregnant sac 7, then carrying out fixed-point suction to remove the pregnant sac 3, and finishing the operation after re-inflating, observing and confirming that no residue exists.

In this embodiment, the device further comprises a ventilation device and a suction device, wherein the ventilation device is communicated with the air flow channel 4 and used for inflating and deflating the air bag 7, and the suction device is communicated with the suction channel 5 and used for sucking and clearing the pregnant bag 3.

In the present invention, the airflow channel 4 and the suction channel 5 may be provided as two separate channels, but it is required to ensure that the two channels have certain rigidity, so as to meet the requirement that one end of the airflow channel 4 and one end of the suction channel 5 extend into the uterine cavity, in this embodiment, the airflow channel 4 and the suction channel 5 are provided inside the rod body of the operating rod 8, and the purpose of providing the airflow channel 4 and the suction channel 5 on the same operating rod is to improve the structural integrity of the device, so that the operation is simpler and more convenient.

In some embodiments of the present invention, whether the air flow path 4 and the suction path 5 are provided as separate two paths, or are provided on the same lever 8, the shape of the first end can be set to be a conventional shape such as round or square, in this embodiment, the part at the first end may cause some damage to the inner wall of the uterine cavity, causing secondary injury to the patient, the present embodiment preferably has an arc-shaped protective cap 9 disposed at the first end, the shape of the opening section of the protective cap 9 is the same as that of the end surface of the first end, the protective cap 9 is buckled on the end surface of the first end, the end head of the first end is wrapped in the protective cap 9, in the process that the first end moves back and forth, the first end cannot damage the inner wall of the uterine cavity, and the part contacting with the inner wall of the uterine cavity is the arc-shaped surface of the protective cap 9.

In some embodiments of the present invention, the airflow passage opening at the first end may be provided on the end surface of the operation lever 8 or may be provided on the side wall of the operation lever 8, and the suction passage opening at the first end may be provided on the end surface of the operation lever 8 or may be provided on the side wall of the operation lever 8. In this embodiment, preferably, the airflow passage opening at the first end is disposed on the end surface of the operating rod 8, and the suction passage opening at the first end is disposed on the side wall of the operating rod 8, the significance of disposing the suction passage opening on the side wall is to avoid the limitation of the end surface shape of the operating rod 8 on the suction efficiency, and a larger suction passage opening can be disposed on the side wall of the operating rod 8, effectively improving the suction efficiency of the device.

In some embodiments of the present invention, the airflow channel opening and the camera 6 at the first end are both located on the end surface of the first end, so that the camera 6 can conveniently observe the overall view of the inner wall of the uterine cavity during the movement of the operating rod 8, and the end surface of the first end is also located inside the air bag 7, in this embodiment, the protective cap 9 needs to be set in a transparent state, a gap is formed between the protective cap 9 and the end surface of the first end, so that the air supply flows into the air bag 7, and the patient can be better protected from more injuries without affecting the image information obtained by the camera 6, which is significant.

In some embodiments of the present invention, the opening shape of the suction channel 5 has a plurality of specific embodiments, and in this embodiment, preferably, the suction channel opening at the first end is disposed on the sidewall of the suction channel, and is recessed along the radial direction of the suction channel and is "U" shaped, and preferably, the contour lines of the suction channel opening constituting the "U" shape are all set in an edge-cutting state, so that the suction channel opening is enlarged, and at the same time, the suction channel opening can be treated as a simple scalpel to a focus, thereby effectively widening the use scene.

In some embodiments of the present invention, the operating rod 8 is provided with at least one bending angle, and the bending angle is close to the first end, in this embodiment, preferably, the bending angle is provided, and the bending angle is more ergonomic, and the first end can obtain a larger movement range in the uterine cavity without requiring a large steering of an operator.

Preferably, an airbag switch 10 is disposed between the air flow channel 4 and the ventilation device in this embodiment, so as to reasonably control the air flow between the ventilation device and the air flow channel 4 and avoid misoperation, the ventilation device may be a device such as an air pump or a syringe, and in this embodiment, the ventilation device is preferably a syringe 11.

Preferably, in the embodiment, a buckle 12 is arranged at the opening of the suction passage at the second end to facilitate connection with an external suction device, and preferably, an operating handle 13 is arranged on the operating rod to facilitate holding by an operator.

In some embodiments of the present invention, an air bag receiving passage is further provided for receiving the air bag 7, when deflated, the air bag 7 is accommodated in the air bag accommodating channel, preferably, an air bag accommodating channel with two open ends is arranged between the first end and the second end, a pulling rope is arranged in the air bag accommodating channel in a penetrating way, one end of the pulling rope is fixed on the air bag 7, after the air bag 7 is deflated and contracted, the pulling rope is pulled to pull at least one part of the air bag 7 into the air bag accommodating channel, in order to accommodate the airbag 7 to a greater extent, the pulling string is preferably fixed at a position farthest from the end surface of the first end after the airbag 7 is inflated, the opening of the airbag housing channel at the second end can also be arranged on the side wall of the operating rod 8, and can be flexibly arranged according to the operating environment.

It is noted that the air bag receiving channel at the first end is preferably located inside the air bag 7, and the pulling rope is connected to the inner wall of the air bag 7, so that liquid in the uterine cavity does not enter the air bag receiving channel during use. In the preferred embodiment, the airbag housing channel is further provided with a sealing member at the opening of the first end, the pulling rope passes through the sealing member and can slide relative to the sealing member, and the sealing member is used for sealing the opening of the airbag housing channel at the first end so as to prevent the gas in the airbag 7 from leaking from the airbag housing channel when the airbag 7 is in an inflated state. Preferably, the sealing element is a rubber block with a through hole in the middle, and the rubber block is fixed at the opening of the air bag contraction channel at the first end.

In a variant embodiment, the airbag housing channel is provided with a sealing block at the opening of the second end, which seals the airbag housing channel at the second end when the airbag 7 is in an inflated state, in order to avoid gas leakage in the airbag 7.

In a modified embodiment, the opening of the airbag housing channel at the first end is located outside the airbag 7, and the tether is connected to the outside of the airbag 7. When the airbag 7 is in the inflated state, the gas in the airbag 7 does not leak through the airbag housing passage.

In one deformation implementation prevention, an elastic element is arranged in the air bag accommodating channel, when the air bag 7 is in an inflated state, the air bag 7 pulls the elastic element through the traction rope, and the elastic element is in a stretched state; when the air in the air bag 7 is released and the air bag 7 is in a deflation state, the elastic element retracts, and at least one part of the air bag 7 is driven by the traction rope to move into the air bag accommodating channel.

In the embodiment without the balloon receiving channel, the balloon 7 may be received in the balloon receiving channel as above, or may be another specific embodiment, that is, the balloon 7 is deflated and deflated, and then closely attached to the helmet 9, and is inflated and expanded, and this embodiment may not have the balloon receiving channel, but has the disadvantage that the surface tension of the balloon 7 is too large and the balloon 7 is easy to rupture, and the ruptured balloon 7 is easy to cause secondary damage to the patient, so that the present invention is only disclosed as one general embodiment of the present invention.

It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.

Claims

1. A visual attraction device, comprising:

an operating rod having a first end and a second end;

2. A visual attraction device as claimed in claim 1 characterised in that: the first end is provided with an arc-shaped protective cap, the protective cap is buckled on the end face of the first end, and the opening cross section of the protective cap is the same as the end face of the first end in shape.

3. A visual attraction device as claimed in claim 1 characterised in that: the airflow passage opening at the first end is arranged on the end surface of the operating rod, and the suction passage opening at the first end is arranged on the side wall of the operating rod.

4. A visual attraction device as claimed in claim 2 characterised in that: be located the airflow channel opening of first end with the camera all is located on the terminal surface of first end, the terminal surface of first end also is located the inside of gasbag, the helmet is transparent, the helmet with have the clearance between the terminal surface of first end, the air feed stream passes through the entering the gasbag.

5. A visual attraction device as claimed in claim 3 wherein: the suction channel opening at the first end is arranged on the side wall of the suction channel, is recessed along the radial direction of the suction channel and is U-shaped.

6. A visual attraction device as claimed in claim 5, characterised in that: the contour lines of the openings of the suction passages constituting the "U" shape are all set to be in an edged state.

7. A visual attraction device as claimed in claim 1 characterised in that: the operating rod is provided with at least one bending angle, and the bending angle is close to the first end.

8. A visual attraction device as claimed in claim 1 characterised in that: an air bag switch is arranged between the airflow channel and the ventilation device, the ventilation device is an injector, and a buckle is arranged at the opening of the suction channel at the second end, so that the ventilation device is conveniently connected with an external suction device.

9. A visual attraction device as claimed in claim 1 characterised in that: the operating rod is provided with an operating handle, so that an operator can hold the operating rod conveniently.

10. A visual attraction device as claimed in claim 1 characterised in that: an air bag accommodating channel with openings at two ends is arranged between the first end and the second end, a traction rope can be arranged in the air bag accommodating channel in a penetrating manner, and one end of the traction rope is fixed on the air bag.