CN102000389B - Dilator - Google Patents
Dilator Download PDFInfo
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- CN102000389B CN102000389B CN 201010592537 CN201010592537A CN102000389B CN 102000389 B CN102000389 B CN 102000389B CN 201010592537 CN201010592537 CN 201010592537 CN 201010592537 A CN201010592537 A CN 201010592537A CN 102000389 B CN102000389 B CN 102000389B
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- expanding plate
- dilator
- chute
- boot disk
- guide pad
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Abstract
The invention discloses a dilator, which comprises a hollow round table-shaped guiding plate and at least two dilating sheets, wherein each dilating sheet comprises a body with an arc-shaped peripheral surface structure and a wide edge dilating outwards; the wide edge is connected to the near end of the body, and the bottom of the wide edge is radially and slidably connected to the outer surface of the guiding plate through a connection mechanism; and the axis of the body of each dilating sheet is parallel to that of the guiding plate, so that the dilator can be in the shrinkage or dilation state selectively. By the dilator, anuses and anal tubes of patients can be dilated gradually and controllably, so that anal fissure is prevented and the pain of the patients is relieved. Simultaneously, in the dilator, anus predilation and anus dilation are integrated, so that products are easy and convenient to use. The dilator can be widely applied to surgical operations.
Description
Technical field
The present invention relates to the dilator that a kind of surgical operation is used, belong to technical field of medical instruments.
Background technology
When anorectal surgical is done inspection, diagnosis or operative treatment, need earlier anus to be strutted, and then put into other and be used to the surgical instruments checking or treat.The surgical instruments that struts anus commonly used at present is the dilator seat; The body and the application of force broadside that is positioned at the body afterbody that comprise a cylinder type; Its inflexible cylinder type body can strut anus, and the intravital hollow space of cylinder then constitutes other surgical instrumenties and gets into the intravital passage of patient.During use, the body of dilator seat is slowly inserted anus until anal canal by its front end, because the diameter of the cylinder type body of dilator seat bigger (generally reaching more than 30 millimeter) usually, so the dilator seat is not easy to get into anus.Existing common way is that the doctor can insert patient's anus with finger earlier, and two handss firmly outwards strut then, again the dilator seat are inserted anus.Because when the doctor expanded anus in advance with finger, the anal sphincter damage patient caused anal fissure because moment exerts oneself excessive through regular meeting, makes patient receive unnecessary injury.
Summary of the invention
The defective that exists in view of above-mentioned prior art, thus the objective of the invention is to propose a kind ofly can progressively expand the dilator that anus can be avoided anal fissure.
The object of the invention will be achieved through following technical scheme:
A kind of dilator is used for the expansion of anus and anal canal, comprises boot disk and at least two expanding plates of the truncated cone-shaped of hollow; Said expanding plate comprises the body of circular arc outer peripheral face structure and the broadside that extends out; Said broadside is connected in the near-end of said body, and the bottom of said broadside radially slides the outer surface that is connected in said boot disk through a bindiny mechanism, and the parallel axes of said expanding plate body is in the axis of said boot disk; Thereby make said dilator optionally be in two states
A) contraction state: said body is gathered the far-end in said boot disk, forms the column construction of hollow;
B) expansion state: said body is scattered in the near-end of said boot disk, and the cylindrical diameter that outline enclosed of the cylindrical diameter that outline enclosed of body of this moment body during greater than contraction state.
Further, said expanding plate is arranged at the outer surface of said boot disk symmetrically.
Further, said bindiny mechanism comprises that the guide pad of the T type that radially is arranged at said broadside bottom reaches the chute of the T type that radially is arranged at the outer surface of said boot disk and matches with said guide pad; Said guide pad is slidingly connected in the said chute, and the length of said guide pad is less than the length of said chute.
Further, the far-end of said chute is provided with one and is used to limit the step that said guide pad slides.
Further, said expanding plate comprises at least one group first expanding plate and at least one group second expanding plate, and said first expanding plate and second expanding plate are interspersed; Said first expanding plate comprises first body, first broadside and first guide pad; Said second expanding plate comprises second body, second broadside and second guide pad; Be provided with first chute, second chute that match with said first guide pad, second guide pad on the said boot disk respectively symmetrically; And the length of said first chute is less than the length of said second chute; Thereby make said dilator optionally be in two states
A) contraction state: said first body, second body are all gathered the far-end in said boot disk; Said first body forms first column construction of hollow; Said second body forms second column construction of hollow, and said second column construction is positioned at the inside of said first column construction;
B) expansion state: said first body, second body all are distributed in the near-end of said boot disk, and said first body, second body form the column construction of hollow jointly.
Further, comprise first expanding plate of three symmetrical distributions and second expanding plate of three symmetrical distributions, and said first expanding plate and second expanding plate are interspersed.
Further, the width of said first body is greater than the width of said second body, and said first body is provided with being used to undergo surgery and observing or the window of operative treatment of square type or ladder type.
Compared with prior art; Beneficial effect of the present invention is mainly reflected in: can be so that patient's anus and anal canal little by little, controllably increase; Make anal sphincter adapt to the amplitude that the dilator body is strutted gradually, thereby can avoid the generation of anal fissure phenomenon, alleviate patient's misery; Simultaneously, the present invention will expand anus in advance and expand the anus integrated design, make that the use of product is simple more, convenient.
Description of drawings
Fig. 1 is the axonometric chart of dilator of the present invention when being in contraction state;
Fig. 2 is the front view of the dilator among Fig. 1;
Fig. 3 is the axonometric chart of dilator of the present invention when being in expansion state;
Fig. 4 is the front view of the dilator among Fig. 3;
Fig. 5 is the explosive view of dilator of the present invention;
Fig. 6 is the front view of the dilator among Fig. 5;
Fig. 7 is the axonometric chart of the dilator among Fig. 5.
Among the figure:
1 first expanding plate, 11 first bodies, 12 first broadsides
13 windows, 14 first guide pads, 2 second expanding plates
21 second bodies, 22 second broadsides, 23 second guide pads
3 boot disk, 31 first chutes, 32 second chutes
The specific embodiment
The present invention has disclosed a kind of dilator, comprising: the boot disk of the truncated cone-shaped of hollow 3, first expanding plate 1 of three symmetrical distributions and second expanding plate 2 of three symmetrical distributions; First expanding plate 1 comprises first body 11 of circular arc outer peripheral face structure and first broadside 12 that extends out; First broadside 12 is connected in the near-end of first body 11; And the bottom of first broadside 11 radially is provided with first guide pad 14 of a T type; The outer surface of boot disk 3 radially is provided with the length of first chute, 31, the first guide pads 14 of the T type that uses of matching with first guide pad 14 less than the length of first chute 31, and first guide pad 14 is connected in first chute 31; And can in first chute 31, slide, and the parallel axes of first body 11 is in the axis of boot disk 3; Second expanding plate 2 comprises second body 21 of circular arc outer peripheral face structure and second broadside 22 that extends out; Second broadside 22 is connected in the near-end of second body 21; And the bottom of second broadside 22 radially is provided with second guide pad 23 of a T type; The outer surface of boot disk 3 radially is provided with the length of second chute, 32, the second guide pads 23 of the T type that uses of matching with second guide pad 23 less than the length of second chute 32, and second guide pad 23 is connected in second chute 32; And can in second chute 32, slide, and the parallel axes of second body 21 is in the axis of boot disk 3; First expanding plate 1 and second expanding plate 2 are interspersed, and therefore, corresponding first chute 31 and second chute 32 that is provided with also is interspersed on the boot disk 3.
The far-end of first chute 31 and second chute 32 is respectively equipped with first step (not shown) and second step (not shown); Said first step and second step can limit moving radially of first expanding plate 1 and second expanding plate 2 respectively, prevent that first expanding plate 1 and second expanding plate 2 are separated with boot disk 3.
The length of first chute 31 is less than the length of second chute 32, and the radian of first body 11 is greater than the radian of second body 21, thereby makes the dilator in the present embodiment optionally be in two states,
A) contraction state shown in Fig. 1-2: first expanding plate 1 and second expanding plate 2 are gathered in the far-end of first chute 31 and second chute 32 respectively; Promptly all be positioned at the far-end of boot disk 3; First body 11 is gathered first column construction that forms hollow; Second body 21 is gathered second column construction that forms hollow, because the length of first chute 31 is less than the length of second chute 32, therefore; Said second column construction is positioned at the inside of said first column construction, and the external diameter of promptly said second column construction is less than the internal diameter of said first column construction;
B) expansion state shown in Fig. 3-4: first expanding plate 1 and second expanding plate 2 are scattered in the near-end of first chute 31 and second chute 32 respectively; Promptly all be positioned at the near-end of boot disk 3; First expanding plate 1 and second expanding plate, the 2 common column constructions that form hollow, and the internal diameter of this column construction is greater than the external diameter of first column construction under the said contraction state and second column construction.
In the present embodiment, first body 11 is provided with being used to undergo surgery and observing or the window 13 of operative treatment of square type or ladder type.
Following brief account is the use of present embodiment once:
At first, first expanding plate 1 and second expanding plate 2 are arranged at the far-end of first chute 31 and second chute 32 respectively, make said dilator be in the contraction state shown in Fig. 1-2, this moment, the external diameter of far-end of said dilator was minimum; Then, grasp the near-end of said dilator, its far-end is inserted in the patient's anus, the near-end that extends out until said expansion dilator touches the edge of anus; At last, push boot disk 3 lentamente, make boot disk 3 axially inwardly slide with respect to first expanding plate 1 and second expanding plate 2 with the centre of the palm; This moment, first expanding plate 1 and second expanding plate 2 radially outward slided with respect to boot disk 3; Finally be in the expansion state shown in Fig. 3-4, thereby play the effect of expanding anus, in order to make the expansion anus more controlled; Can chute be designed to the ratchet-shaped chute, make the each slip of guide pad can select to be parked in any ratchet place.
After anal sphincter was expanded to suitable size, hollow space insertion sight glass or surgery sewing and cutting machine in boot disk 3 underwent surgery and observe or operative treatment.For example hemorrhoid operation can be drawn in the column construction inside to said hollow with the blood stasis tissue from window 13, uses the PPH coinciding machine to carry out the seaming and cutting operation then.
Certainly, also second expanding plate 2 and window 13 can be set, at this moment, there is this bigger gap (not shown) in first expanding plate 1 each other when being in expansion state, and said gap can fill up the effect of window 13.
Near-end among this paper, far-end are to decide according to industry practice, and leaving the nearly person of doctor when promptly performing the operation is near-end, is far-end on the contrary.
The present invention still has numerous embodiments, and all technical schemes that all employing equivalents or equivalent transformation and type become all drop within protection scope of the present invention.
Claims (7)
1. dilator; Be used for the tubular tissue expansion; It is characterized in that: comprise boot disk and at least two expanding plates of the truncated cone-shaped of hollow, said expanding plate comprises body with circular arc outer peripheral face structure and the broadside that extends out, and said broadside is connected in the near-end of said body; And the bottom of said broadside can be connected in the outer surface of said boot disk with radially sliding relatively through a bindiny mechanism; The parallel axes of said expanding plate body is in the axis of said boot disk, thereby makes said dilator optionally be in two states
A) contraction state: said body is gathered the far-end in said boot disk, forms the column construction of hollow;
B) expansion state: said body is scattered in the near-end of said boot disk, and the cylindrical diameter that outline enclosed of the cylindrical diameter that outline enclosed of body of this moment body during greater than contraction state.
2. dilator according to claim 1 is characterized in that: said expanding plate is arranged at the outer surface of said boot disk symmetrically.
3. dilator according to claim 2 is characterized in that: said bindiny mechanism comprises that the guide pad of the T type that radially is arranged at said broadside bottom reaches the chute of the T type that radially is arranged at the outer surface of said boot disk and matches with said guide pad; Said guide pad is slidingly connected in the said chute, and the length of said guide pad is less than the length of said chute.
4. dilator according to claim 3 is characterized in that: the far-end of said chute is provided with one and is used to limit the step that said guide pad slides.
5. dilator according to claim 4 is characterized in that: said expanding plate comprises one group of first expanding plate and one group of second expanding plate, and said first expanding plate and second expanding plate are interspersed; Said first expanding plate comprises first body, first broadside and first guide pad; Said second expanding plate comprises second body, second broadside and second guide pad; Be provided with first chute, second chute that match with said first guide pad, second guide pad on the said boot disk respectively symmetrically; And the length of said first chute is less than the length of said second chute; Thereby make said dilator optionally be in two states
A) contraction state: said first body, second body are all gathered the far-end in said boot disk; Said first body forms first column construction of hollow; Said second body forms second column construction of hollow, and said second column construction is positioned at the inside of said first column construction;
B) expansion state: said first body, second body all are distributed in the near-end of said boot disk, and said first body, second body form the column construction of hollow jointly.
6. dilator according to claim 5 is characterized in that: comprise first expanding plate of three symmetrical distributions and second expanding plate of three symmetrical distributions, and said first expanding plate and second expanding plate are interspersed.
7. dilator according to claim 6 is characterized in that: the width of said first body is greater than the width of said second body, and said first body is provided with being used to undergo surgery and observing or the window of operative treatment of square type or ladder type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010592537 CN102000389B (en) | 2010-12-16 | 2010-12-16 | Dilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010592537 CN102000389B (en) | 2010-12-16 | 2010-12-16 | Dilator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102000389A CN102000389A (en) | 2011-04-06 |
| CN102000389B true CN102000389B (en) | 2012-07-04 |
Family
ID=43808251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010592537 Active CN102000389B (en) | 2010-12-16 | 2010-12-16 | Dilator |
Country Status (1)
| Country | Link |
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| CN (1) | CN102000389B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105496567A (en) * | 2016-01-21 | 2016-04-20 | 钱良 | Protective cover for gynecology department |
| US20190275307A1 (en) * | 2018-03-06 | 2019-09-12 | Alpine Medical Devices, Llc | Method of using an endoscopic dilator |
| CN108451614A (en) * | 2018-03-13 | 2018-08-28 | 王恺京 | A kind of NOSE specimens from pri extractor |
| CN111714078B (en) * | 2020-06-30 | 2023-04-28 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | Female expanding device, placement device of female expanding device and use method of female expanding device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6126594A (en) * | 1998-07-21 | 2000-10-03 | Bayer; Izhack | Anoscope for internal hemorrhoidectomy |
| CA2623754C (en) * | 2005-10-26 | 2015-09-15 | Carlo Rebuffat | Anoscope for ano-rectal diagnostic and surgery |
| FR2922747A1 (en) * | 2007-10-31 | 2009-05-01 | Aspide Medical Soc Par Actions | TROCART ENDORECTAL |
| US8348837B2 (en) * | 2008-12-09 | 2013-01-08 | Covidien Lp | Anoscope |
| CN201949491U (en) * | 2010-12-16 | 2011-08-31 | 苏州天臣国际医疗科技有限公司 | Dilator |
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| Publication number | Publication date |
|---|---|
| CN102000389A (en) | 2011-04-06 |
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Address after: 215021 No. 278 Dongping Street, Suzhou Industrial Park, Jiangsu Province Patentee after: Tianchen International Medical Technology Co., Ltd Address before: 215021, 1355 international science and Technology Park, Jinji Lake Avenue, Suzhou Industrial Park, Jiangsu, 3 21A Patentee before: TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE Co.,Ltd. |