CN102847228A - Operating device for expanding cavity body - Google Patents
Operating device for expanding cavity body Download PDFInfo
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- CN102847228A CN102847228A CN2012102878295A CN201210287829A CN102847228A CN 102847228 A CN102847228 A CN 102847228A CN 2012102878295 A CN2012102878295 A CN 2012102878295A CN 201210287829 A CN201210287829 A CN 201210287829A CN 102847228 A CN102847228 A CN 102847228A
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Abstract
The invention relates to an operating device for expanding a cavity body. The operating device is used for completing an expansion operation before an operation of a narrow cavity body, and belongs to the field of medical operation apparatuses. The device comprises a hollow outer tube (2), an inner tube (3), an expanding nozzle (1) and a turning handle (4), wherein the inner tube (3) is positioned in the outer tube (2); the expanding nozzle (1) is positioned at the front end of the outer tube (1) and is connected with the outer tube (1); the turning handle (4) is positioned at the back end of the outer tube (2) and is connected with the outer tube (2); the expanding nozzle (1) comprises an upper expanding nozzle (1a), a lower expanding nozzle (1b) connected with the upper expanding nozzle (1a) and a connection part (1c) for connecting the upper expanding nozzle (1a) and the lower expanding nozzle (1b) to the outer tube (2); a cross bar (1-2) is arranged on the inner surface of the lower expanding nozzle (1b); and a rotation pair is arranged on the connection part (1c). The operating device has the advantages that the expanding process is conveniently adjusted, and the implantation and the operation of the operation apparatuses are not hindered during the expansion.
Description
Technical field
The invention belongs to the medical surgical instrument field, be specifically related to the surgical dilator tool, can be used for the preoperative dilation procedure of airtight cavity.
Background technology
There are a plurality of tracts in inside of human body, mostly is greatly the natural tract that opens, esophagus for example, and nasal meatus etc., directly the implant surgery operating apparatus operates when performing the operation.But also there are some natural airtight tracts, if when these tract generation pathological changes need to be performed the operation, with regard to the expansion pattern of taking that must be artificial tract carried out dilation procedure.Comparatively typical airtight tract is exactly women uterus cavity.
Expanding the palace technology is widely used in gynecilogical operation and checks that in utero its basic effect is that airtight cavity of uterus is expanded, and forms visual environment and operating environment.Be applied at present clinical swollen palace method and can be divided into two large classes: the swollen palace of sacculus and the swollen palace of medium.
The swollen palace of sacculus is early stage swollen palace method, utilizes transparent rubber membrane to be enclosed within hysteroscope front end and injecting gas or water, makes thin film expand to expand uterine cavity.This mode formerly the stage substantially be not suitable in utero art, mainly be because its hinders operation in uterine cavity, and thin film has stopped the part sight line.
The swollen palace of medium mainly is divided into the swollen palace of gas and the swollen palace of liquid.CO is mainly adopted in the swollen palace of gas
2As swollen palace medium, its advantage is that definition is high, and the visual field is relatively large.Also highly significant of the shortcoming in the swollen palace of gas simultaneously, if given air pressure is too large during swollen palace, gas might enter other tract and cause gas embolism, perhaps causes CO
2Enter blood and cause danger.Secondly, expensive based on hysteroscope equipment and the pressure control speed governing perfusion device thereof in the swollen palace of gas, the operation cost is relatively high, and each microscopy time must not above 5 minutes, increase operating difficulty.
The swollen palace of liquid is the most frequently used swollen palace method of current China, and it is easy and simple to handle, does not need expensive special adjust blood pressure speed-controlling device.Normal saline is adopted in the swollen palace of liquid mostly, and 5% Glucose Liquid etc. are as swollen palace medium.Although it is wider that use at present in the swollen palace of liquid, is mostly then can't be applied aspect Therapeutic Abortion for hysteroscope pathologic finding link.Reason have following some: at first, when carrying out dilatation and curettage behind intrauterine injection liquid, the uterine cavity internal hemorrhage spreads and is dissolved in media fluid easily, causes liquid colour-changeable, and impact operation is observed and operation; Secondly, when carrying out vacuum suction, large quantity of fluid is arranged in internal interference, probably can't smoothly with the pregnant lens capsule tissue sucking-off of target, cause operation to finish smoothly.
In view of the deficiency of above method, the present invention proposes a kind of operation device for the expansion cavity, implantation and the operation of the art apparatus that might as well be in the way in the expansion cavity.This device is different from the swollen palace of medium, not only can be used for the dilation procedure of women's uterine cavity, and it is applicable equally that other need the tract of dilation procedure for inside of human body.
Summary of the invention
Technical problem:The object of the present invention is to provide a kind of operation device for the expansion cavity, being used for the expansion cavity gymnastics does, the dilation procedure that particularly can be used for women's uterine cavity, the harm of having avoided the swollen palace of gas that human body is caused, and the swollen palace of the liquid obstacle next to visual artificial abortion's surgical band.
Technical scheme:For solving the problems of the technologies described above, the invention provides a kind of operation device for the expansion cavity, this device comprises the outer tube of hollow, is positioned at the inner tube of outer tube inside, the expansion mouth that is positioned at the outer tube front end and is connected with outer tube, the turn handle that is positioned at outer tube back-end and is connected with outer tube;
The expansion mouth comprises expansion mouth, the lower expansion mouth that links to each other with upper expansion mouth, and upper expansion mouth and lower expansion mouth is connected to the connecting portion of outer tube; Be provided with cross bar at lower expansion mouth inner surface; Described connecting portion is provided with revolute pair, links to each other with the outer tube front end;
Outer tube comprises the front end near the expansion mouth, near the rear end of turn handle, with front end, the continuous middle-end in rear end; Outer tube also comprises the axle collar that is arranged on the rear end and is rotationally connected with the turn handle;
Inner tube comprises the front portion near the expansion mouth, near the rear portion of turn handle, with the middle part that front and rear links to each other, in the front portion of inner tube the interlock leverage is housed, and links to each other with cross bar, so that the extensional motion that moves forward and backward drive expansion mouth of inner tube;
Described turn handle and outer tube back-end are socketed and are hollow structure, rotate around outer tube, and the turn handle is provided with handle end cap; Worm drive are adopted at the inner rear portion with inner tube of turn handle, so that the rotation of turn handle changes moving forward and backward of inner tube into, thereby change the extensional motion of expanding mouth into.
Preferably, be provided with respectively the first endoporus and the second endoporus in inner tube and place, turn handle axle center, be used for implanting other operating theater instruments.
Preferably, the turn handle end cap adopts screw to connect, and handle end cap snaps in the axle collar of outer tube tail end.
Preferably, inner tube rear portion and outer tube adopt and circumferentially are located by connecting.
Preferably, the handle end cap outer surface is provided with scale, is used for determining the expansion angle of expansion mouth.
Beneficial effect:Device of the present invention adopts mechanical system to self-closing or narrow cavity, particularly women's uterine cavity carries out dilation procedure, side effect and the complication of not only having avoided the medium expansion to bring, simultaneously easy and simple to handle, do not need additional source of energy equipment and medium supply arrangement.This device is in hollow state in inside after finishing expansion, can insert different operating theater instruments and carry out operative treatment, has good operation compatibility and versatility; Simultaneously, this device has reusability, through after the disinfecting of standard, can reuse after operation is finished, and has reduced the operation cost.
Description of drawings
Fig. 1 is front view of the present invention;
Fig. 2 is master's cutaway view of the present invention;
Fig. 3 is that the present invention expands mouth when expansion partial schematic diagram;
Fig. 4 is that the present invention expands mouth partial schematic diagram when closed;
Fig. 5 is turn handle partial sectional view of the present invention;
Fig. 6 is implementation action diagram of the present invention.
Upper expansion mouth 1a, lower expansion mouth 1b, connecting portion 1c, cross bar 1-2;
Axle collar 2-1;
Interlock leverage 3-1, the rear portion 3-2 of inner tube 3
Handle end cap 4-1
The specific embodiment
The present invention will be further described below in conjunction with accompanying drawing.
Referring to Fig. 1-4, operation device for the expansion cavity provided by the invention, this device comprises the outer tube 2 of hollow, is positioned at the inner tube 3 of outer tube 2 inside, the expansion mouth 1 that is positioned at outer tube 1 front end and is connected with outer tube 1, the turn handle 4 that is positioned at outer tube 2 rear ends and is connected with outer tube 2;
Described turn handle 4 is socketed with outer tube 2 rear ends and is hollow structure, rotates around outer tube 2, and turn handle 4 is provided with handle end cap 4-1; Turn handle 4 inner rear portion 3-2 with inner tube 3 adopt worm drive, so that the rotation of turn handle 4 changes moving forward and backward of inner tube 3 into, thereby change the extensional motion of expanding mouth 1 into.
Be provided with respectively the first endoporus and the second endoporus in inner tube 3 and place, turn handle 4 axle center, be used for implanting other operating theater instruments.
Turn handle 4 handle end cap 4-1 adopt screw to connect, and handle end cap 4-1 snaps in the axle collar 2-1 of outer tube 2 tail ends.
Handle end cap 4-1 outer surface is provided with scale, is used for determining the expansion angle of expansion mouth 1.
Such as Fig. 1, shown in 2, a kind of mechanical operation device of expanding cavity of the present invention mainly is divided into three large modules: operating mechanism, actuator, main frame structure.Wherein, operating mechanism comprises turn handle 4, and inner tube 3 and interlock leverage 3-1 mainly finish the control action to actuator; Actuator is expansion mouth 1, finishes the action of expansion uterus inwall under the drive of actuator; The effect of main frame structure is to connect operating mechanism and actuator, and gives with some strength and support, and makes the present invention become as a whole, mainly comprises outer tube 2.
For operating mechanism, turn handle 4 and handle end cap 4-1 adopt screw to be connected to the axle collar 2-1 place of outer tube 2, and turn handle 4 can rotate along outer tube 2 like this, and axial float can not occur.As shown in Figure 5, the tail end of turn handle 4 endoporus and inner tube 3 all has screw thread, and both are threaded in employing, the tail end of inner tube 3 adopts the design of the class axle collar simultaneously, it has been limited between outer tube 2 and the turn handle 4, because both relative axial positions are fixed afterwards, so the stroke of inner tube 3 also just obtains constraint.As shown in Figure 3, interlock leverage 3-1 is two linkages, is divided into left and right sides two parts, and the motion of mouth is expanded up and down in control respectively.Wherein support bar and inner tube 3 are rigidly connected, and another root is carried out bar one end and is connected on the cross bar 1-2 that expands mouth 1 inside, and the other end is connected on the support bar, consists of a slide block endplay device.When rotary handle 4, drive inner tube 3 and move forward, and back support rod just promotes to carry out bar and will expand mouth 1 and strut.
For actuator, such as Fig. 3, shown in 4, expansion mouth 1 adopts revolute pair to link to each other with outer tube 2, and expansion mouth 1 inside is provided with cross bar 1-2, and 3-1 links to each other with the interlock leverage.When closed, expand up and down mouth 1 and be wedge-like, be convenient to enter the uterus, and rear distraction separates originally airtight uterus inwall, finish and expand the palace operation.
For main frame structure, because outer tube 2 need to pass the cervix uteri mouth, the dimension limit that its diameter must not can bear greater than women's cervix uteri.In order to adapt to anteflexion or to bend afterwards the uterus environment, outer tube 2 can be made the swan-neck with radian simultaneously, accordingly with adopting flexible structure in the middle of the inner tube 3, to comply with the shape of outer tube 2.
As shown in Figure 6, when implementation is performed the operation, to expand first mouth 1 closure, whole device will slowly be inserted uterine cavity, then doctor's left hand outer tube 2 of holding with a firm grip, the right hand is turning handle 4 slowly, and according to the scale on the handle 4, determine the subtended angle of expansion mouth 1, after expansion is finished, by the preformed hole of device tail end, implant corresponding operating theater instruments and perform the operation.
The above only is preferred embodiments of the present invention; protection scope of the present invention is not limited with above-mentioned embodiment; as long as the equivalence that those of ordinary skills do according to disclosed content is modified or changed, all should include in the protection domain of putting down in writing in claims.
Claims (5)
1. operation device that is used for the expansion cavity, it is characterized in that, this device comprises the outer tube (2) of hollow, be positioned at the inner inner tube (3) of outer tube (2), the expansion mouth (1) that is positioned at outer tube (1) front end and is connected with outer tube (1), the turn handle (4) that is positioned at outer tube (2) rear end and is connected with outer tube (2);
Expansion mouth (1) comprises expansion mouth (1a), the lower expansion mouth (1b) that links to each other with upper expansion mouth (1a), and upper expansion mouth (1a) and lower expansion mouth (1b) is connected to the connecting portion (1c) of outer tube (2); Be provided with cross bar (1-2) at lower expansion mouth (1b) inner surface; Described connecting portion (1c) is provided with revolute pair, links to each other with outer tube (2) front end;
Outer tube (2) comprises the front end near expansion mouth (1), near the rear end of turn handle (4), with front end, the continuous middle-end in rear end; Outer tube (2) also comprises the axle collar (2-1) that is arranged on the rear end and is rotationally connected with turn handle (4);
Inner tube (3) comprises the front portion near expansion mouth (1), rear portion (3-2) near turn handle (4), the middle part that front and rear is continuous, interlock leverage (3-1) is housed in the front portion of inner tube (3), (1-2) links to each other with cross bar, so that moving forward and backward of inner tube (3) drives the extensional motion of expanding mouth (1);
Described turn handle (4) is socketed with outer tube (2) rear end and is hollow structure, rotates around outer tube (2), and turn handle (4) is provided with handle end cap (4-1); Worm drive are adopted at the inner rear portion (3-2) with inner tube (3) of turn handle (4), so that the rotation of turn handle (4) changes moving forward and backward of inner tube (3) into, thereby change the extensional motion of expanding mouth (1) into.
2. the operation device for the expansion cavity according to claim 1 is characterized in that, is provided with respectively the first endoporus and the second endoporus in inner tube (3) and place, turn handle (4) axle center, is used for implanting other operating theater instruments.
3. the operation device for the expansion cavity according to claim 1 is characterized in that, turn handle (4) handle end cap (4-1) adopts screw to connect, and handle end cap (4-1) snaps in the axle collar (2-1) of outer tube (2) tail end.
4. according to the operation device for the expansion cavity claimed in claim 1, it is characterized in that inner tube (3) rear portion and outer tube (2) adopt and circumferentially be located by connecting.
5. the operation device for the expansion cavity according to claim 3 is characterized in that handle end cap (4-1) outer surface is provided with scale, is used for determining the expansion angle of expansion mouth (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102878295A CN102847228A (en) | 2012-08-13 | 2012-08-13 | Operating device for expanding cavity body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102878295A CN102847228A (en) | 2012-08-13 | 2012-08-13 | Operating device for expanding cavity body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102847228A true CN102847228A (en) | 2013-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102878295A Pending CN102847228A (en) | 2012-08-13 | 2012-08-13 | Operating device for expanding cavity body |
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| Country | Link |
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| CN (1) | CN102847228A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020199307A1 (en) * | 2019-04-02 | 2020-10-08 | 北京大学口腔医学院 | Hollow, vectorial, and supportive multi-functional protection device for minimally invasive surgery |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2621651A (en) * | 1949-06-02 | 1952-12-16 | American Cystoscope Makers Inc | Instrument for dilating and examining the esophagus |
| US5554101A (en) * | 1991-08-05 | 1996-09-10 | United States Surgical Corporation | Surgical retractor |
| CN1814317A (en) * | 2005-01-31 | 2006-08-09 | 重庆海扶(Hifu)技术有限公司 | Device for delivering medium to body cavity, vascular-cavity leading-in and ultrasonic blocking |
| US20080177259A1 (en) * | 2005-09-19 | 2008-07-24 | Naiqing Wu | Bone dilator |
-
2012
- 2012-08-13 CN CN2012102878295A patent/CN102847228A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2621651A (en) * | 1949-06-02 | 1952-12-16 | American Cystoscope Makers Inc | Instrument for dilating and examining the esophagus |
| US5554101A (en) * | 1991-08-05 | 1996-09-10 | United States Surgical Corporation | Surgical retractor |
| CN1814317A (en) * | 2005-01-31 | 2006-08-09 | 重庆海扶(Hifu)技术有限公司 | Device for delivering medium to body cavity, vascular-cavity leading-in and ultrasonic blocking |
| US20080177259A1 (en) * | 2005-09-19 | 2008-07-24 | Naiqing Wu | Bone dilator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020199307A1 (en) * | 2019-04-02 | 2020-10-08 | 北京大学口腔医学院 | Hollow, vectorial, and supportive multi-functional protection device for minimally invasive surgery |
| US11576745B2 (en) | 2019-04-02 | 2023-02-14 | Peking University School And Hospital Of Stomatology | Hollow vector support multifunctional protection device for minimally invasive surgery |
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Application publication date: 20130102 |