CN109907727A - A kind of Medical anus dilator - Google Patents

A kind of Medical anus dilator Download PDF

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Publication number
CN109907727A
CN109907727A CN201910314390.2A CN201910314390A CN109907727A CN 109907727 A CN109907727 A CN 109907727A CN 201910314390 A CN201910314390 A CN 201910314390A CN 109907727 A CN109907727 A CN 109907727A
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China
Prior art keywords
ontology
floating
batten
shaft
lug boss
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CN201910314390.2A
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Chinese (zh)
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CN109907727B (en
Inventor
韩雪静
徐晓宁
刘娟
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First Affiliated Hospital of Henan University of Science and Technology
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First Affiliated Hospital of Henan University of Science and Technology
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Publication of CN109907727A publication Critical patent/CN109907727A/en
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Publication of CN109907727B publication Critical patent/CN109907727B/en
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Abstract

The present invention relates to department of general surgery's medical auxiliary equipment field, specifically a kind of Medical anus dilator.Including ontology, guiding cap, beam circle and the sphincter relaxation mechanism for controlling ontology rhythm dilation;Ontology by that can be encircled into columnar multiple floating strip board groups at one end of floating batten is hinged on guiding cap, and the other end is slidably arranged on beam circle, is also provided with operation window in the middle part of floating batten jointly;Sphincter relaxation mechanism includes shrinking unit and expansion cell, shrinking unit is the tightening Membrane cover being set in outside ontology and guiding cap, expansion cell includes bracing ring and shaft, the first lug boss is equipped in shaft, it is equipped with the second lug boss in the inside of floating batten, the first lug boss can successively contradict by phased manner with all second lug bosses and cooperate with the lasting rotation of shaft.The present invention can reduce the pain during expanding anus and reduce the damage generated by anal device itself to anal sphincter in inspection, treatment or surgical procedure.

Description

A kind of Medical anus dilator
Technical field
The present invention relates to department of general surgery's medical auxiliary equipment field, specifically a kind of Medical anus dilator.
Background technique
Anal device is a kind of common auxiliary instrument of general outer anorectum department, is acted on to strut patient anus and anal canal position, With merging inspection, therapeutic device or operative space is stopped, there is important work in the inspection of general outer anorectum department, treatment or operation With.
Anal device in the prior art generally includes the ontology of straight-tube shape and the taper guiding cap of body end is arranged in.Make The ontology of anal device is slowly inserted into anus until anal canal, is then arranged in chamber body by the guiding cap of its front end by the used time It checks, therapeutic device, or operative space is formed by chamber body.Such anal device has the following problems: on the one hand, due to expanding anus The diameter of device ontology is usually bigger, even if there is the guiding role of guiding cap, body part is still not easy to can smoothly enter into anus Door, makes patient generate violent pain during insertion.Part is expanded in anus operating process, and medical staff even can use finger First anus area is opened, then whole again to be inserted into anal device, excessive so as to cause the instantaneous stress of sphincter, generation sphincter is torn It splits, is unfavorable for post-operative recovery.On the other hand, anal device in the prior art is tightly attached in inspection, treatment or surgical procedure In anal tube inwall, in the prior art the fixation supporting form of anal device prevent anus position sphincter with patient respiration or its The contraction and relaxation that his muscle group drives, prolonged hardness fixation are easy to cause sphincter chronic injury, cause patient postoperative big Fecal incontinence extends the convalescence of disease.
Summary of the invention
The present invention is intended to provide a kind of Medical anus dilator, with mitigate the pain during expanding anus and reduce inspection, treatment or The damage that anal sphincter is generated by anal device itself in surgical procedure.
In order to solve the above technical problems, the technical solution adopted by the present invention are as follows: a kind of Medical anus dilator, including cylindrical shape And expandable ontology, ontology one end is set guiding cap, the beam circle of the ontology other end is set and for controlling ontology The sphincter relaxation mechanism of rhythmic dilation;Guiding cap is tapered, and for big end for connecting with ontology, the shape of small end is just In smooth arc-shaped in surface of insertion anus;Ontology by that can be encircled into columnar multiple floating strip board groups into floating jointly One end of batten is hinged on guiding cap, and the other end is slidably arranged on beam circle, and operation is also provided in the middle part of floating batten Window;Sphincter relaxation mechanism includes the expansion cell for shrinking unit and controlling ontology expansion for controlling ontology contraction, is shunk Unit is the tightening Membrane cover being set in outside ontology and guiding cap, and expansion cell includes the bracing ring being detachably connected in beam circle With the shaft being rotatably provided in bracing ring inner hole, it is equipped with the first lug boss in shaft, is equipped in the inside of floating batten Second lug boss, the first lug boss can successively contradict by phased manner with all second lug bosses and match with the lasting rotation of shaft It closes, to control the expansion of ontology rhythm.
Preferably, the middle part that floating batten connect one end with beam circle is equipped with slide bar, and correspondence is offered for slide bar on beam circle The strip sliding slot for being inserted into and being radially slided along beam circle.
Preferably, the spring that slide bar can be pulled towards beam circle radially outer, the pulling force of spring are equipped in strip sliding slot It cooperates with the convergent force of tightening Membrane cover so that all floating battens under surgical state are in dynamic balance state.
Preferably, one end of shaft is provided with the first bulb, and half to be rotatably assorted for the first bulb is equipped in guiding cap Spherical support slot;The other end of shaft is equipped with shifting disc, offers and penetrates for finger to stir shaft and turn in the outer rim of shifting disc Dynamic finger-hole.
Preferably, floating batten is arranged in close to the position of beam circle one end in the second lug boss, the second lug boss and first convex The shape in the portion of rising is arc-shaped.
Preferably, circumferentially-spaced equipped with multiple second lug bosses along ontology on any one block of floating batten.
Preferably, bracing ring includes the inner ring and outer rings being distributed with one heart, is connected between inner ring and outer rings by more connecting rods Fixed, the inner hole of inner ring is used to support shaft rotation, and the outer of outer ring, which is equipped at intervals with, multiple to be used for and be opened in beam circle along position The positioning protrusion that the locating slot set is coupled.
Preferably, Qian shape slot is offered on any one floating batten, the Qian shape slot on two neighboring floating batten is total With one operation window of composition.
Beneficial effect
Anal device ontology of the invention is by multiple floating strip board groups at one end of multiple floating battens is hinged and guiding cap, another End is slideably positioned in beam circle.To during lasting rotating shaft, so that ontology can the first lug boss in shaft It touches and is circumferentially gradually expanded under extrusion fit with the second lug boss on the inside of floating batten, and in the first lug boss and Two convex portions from rear, floating batten again can under the action of tightening Membrane cover automatic retracted.To form ontology constantly along its week To rhythmic dilation be conducive to corresponding position sphincter to form continuous massage effect to anus and anal canal position Loosen, and then be convenient for ontology insertion, mitigate the pain of patient.
Since the front end of floating batten is hinged with guiding cap, therefore the floating range of ontology is by guiding cap to beam circle direction It is gradually increased.Therefore the anus of patient and anal canal can be made gradually, controllably to increase, so that anal sphincter is gradual Adapt to the distracted amplitude of ontology institute.And since ontology is in continuous expansion and shrinks during expanding anus, it is slotting to cover ontology Whole anal sphincters for entering rather than the only sphincter of anus position, so that entire anal canal to be checked or treatment position Part can access effective relaxation, avoid the generation of anal fissure phenomenon, alleviate the pain of patient.
In inspection, treatment or surgical procedure after the completion of expanding anus, shaft and bracing ring need to only be taken out, it can be in ontology Deployment instrument in inner cavity check by the operation window being provided on floating batten or hand speed is treated.In preferred embodiment party In formula, the spring that slide bar can be pulled towards beam circle radially outer, the pulling force and tightening Membrane cover of spring are equipped in strip sliding slot Convergent force cooperate so that all floating battens under surgical state are in dynamic balance state so that surgery location and attached The anal sphincter volume of near position can still drive with patient respiration or other muscle groups and shrink or relax, and avoid prolonged Hardness is fixed, and damage is smaller, and postoperative patient restores very fast.
Detailed description of the invention
Fig. 1 is longitudinal profile structure schematic of the invention;
Fig. 2 is main view of the invention;
Fig. 3 is the structural schematic diagram of floating batten component in the present invention;
Fig. 4 is sectional view along A-A in Fig. 1;
Fig. 5 is the partial enlargement structural representation of part B in Fig. 1;
Fig. 6 be in Fig. 5 C-C to cross-sectional view;
Marked in the figure: the 1, first lug boss, the 2, second lug boss, 3, shifting disc, 4, finger-hole, 5, bracing ring, 501, inner ring, 502, Connecting rod, 503 outer rings, 6, strip sliding slot, 7, spring, 8, beam circle, 9, slide bar, 10, operation window, 11, floating batten, 12, tightening Membrane cover, 13, shaft, the 14, first bulb, 15, hemispherical support slot, 16, guiding cap, 17, ontology, the 18, second bulb, 19, fixed Position protrusion, 20, locating slot.
Specific embodiment
As shown in Fig. 2, a kind of Medical anus dilator of the invention includes cone as anal device in the prior art The guiding cap 16 and columnar ontology 17 of shape.The outside diameter of guiding cap 16 be less than or equal to 17 diameter of ontology, and for The connection of 17 end of ontology.The small end of guiding cap 16 is smooth arc-shaped in surface, and shape facilitates insertion into anus and guide this Body 17 enters anal canal.
Unlike the prior art, ontology 17 of the invention is made of eight blocks of floating battens 11, eight blocks of floating battens 11 Surround jointly in the arc-shaped, the end face of the upper end and 16 big end of guiding cap is articulated and connected, and lower end, which is slided, is plugged in a beam In circle 8.Above structure makes ontology 17 be provided with expandable basis, and can be under the action of sphincter relaxation mechanism along itself Circumferential rhythmic expansion and contraction, form continuous massage effect to the sphincter of anus and anal canal position, are conducive to corresponding position Loosening for sphincter is set, and then is convenient for the insertion of ontology 17, mitigates the pain of patient.It is inserted into ontology 17 and completes to expand anus in anal canal Afterwards, necessary inspection, treatment or surgical instrument can be set in 17 inner cavity of ontology, by instrument by being provided on floating batten 11 Operation window 10 checked or treated.Individual operation window 10 can be opened up on any one block of floating batten 11.It can also be such as Fig. 2 And shown in Fig. 3, Qian shape slot is offered on any one floating batten 11, the Qian shape slot on two neighboring floating batten 11 is total With one operation window 10 of composition, to increase the area of operation window 10, convenient for the implementation of complicated medical instrument.
As shown in Fig. 1 and Fig. 4 combination, above-mentioned sphincter relaxation mechanism includes the contraction unit for controlling the contraction of ontology 17 The expansion cell expanded with control ontology 17.
Shrinking unit is the tightening Membrane cover 12 being set in outside ontology 17 and guiding cap 16, and tightening Membrane cover 12 uses thin silicon glue Material production is close to be covered on the lower half of guiding cap 16 and the big portion of ontology 17, corresponds to all operations on tightening Membrane cover 12 Make hollow processing in the position of window 10.The effect of tightening Membrane cover 12 is on the one hand to provide tightening to the floating batten 11 after expansion Restoring force, the expansion and contraction for keeping ontology 17 rhythmic;It on the other hand can be by the junction of guiding cap 16 and floating batten 11 Covering, avoids the junction from clipping to anus or anal canal during dilation, avoids unnecessary damage.
Expansion cell includes the bracing ring 5 being detachably connected in beam circle 8 and is rotatably provided in 5 inner hole of bracing ring Shaft 13.It is located at the position in 17 inner cavity of ontology and close to beam circle 8 in shaft 13 and is equipped with the first lug boss 1, in floating batten The corresponding position of 11 inside is equipped at intervals with two or more the second lug bosses 2 along 17 circumferential direction of ontology.First lug boss 1 It is in the direction of mating the arc-shaped of smoothness with the second lug boss 2.The raised amplitude of first lug boss 1 therein is larger, Only there are lesser gaps to avoid friction with 17 inner wall of ontology for far point.The raised amplitude of second lug boss 2 is smaller, thus to doctor It treats instrument and space is stopped by the entrance of 17 lower end of ontology.By above structure, rotating shaft can continued towards same direction When 13 rotation, by the first lug boss 1 and successively conflict or the extrusion fit by phased manner of all second lug bosses 2, in the first protrusion When portion 1 contacts with the second lug boss 2 and contradicts extruding, is overcome by the thrust of the first lug boss 1 and collect Membrane cover for corresponding position Set the tightening force of floating batten 11, the corresponding corresponding expansion of the expansion of floating batten 11;After first lug boss 1 is detached from the second lug boss 2, The floating batten 11 of corresponding position retracts ontology 17 and concordant with other floating battens 11 under the action of tightening Membrane cover 12.To The rhythmic expansion by the ontology 17 under sphincter relaxation mechanism driving is reached and has shunk, and then to anus and anal canal position Sphincter massaged, make its relaxation.
Bracing ring 5 in the present embodiment includes the inner ring 501 being distributed with one heart and outer ring 503, inner ring 501 and outer ring 503 it Between be connected and fixed by three connecting rods 502, the inner hole of inner ring 501 is used to support the rotation of shaft 13, as shown in figure 5, outer ring 503 Outer is equipped at intervals with multiple positioning protrusion 19, offers along position the locating slot 20 not through inner ring from lower to upper in beam circle 8, By the cooperation of positioning protrusion 19 and locating slot 20 bracing ring 5 to be integrally attached on beam circle 8, convenient for being inserted into anus in ontology 17 It is quickly removed after pipe, and is placed in various medical instruments into 17 inner cavity of ontology.The upper end of shaft 13 is provided with the first bulb 14, The hemispherical support slot 15 being rotatably assorted for the first bulb 14 is equipped in guiding cap 16;The other end of shaft 13 is equipped with shifting disc 3, It offers and penetrates for finger to stir the finger-hole 4 of the rotation of shaft 13 in the outer rim of shifting disc 3, operated convenient for medical staff.
Specific on-link mode (OLM) between floating batten 11 and beam circle 8 are as follows: as shown in figure 3, the middle part of 11 lower end of floating batten Position is equipped with slide bar 9, and the lower end of slide bar 9 is also fixed with the second bulb 18.As shown in figure 4, correspondence offers eight on beam circle 8 The strip sliding slot 6 that item is inserted into for slide bar 9 respectively and radially slides along beam circle 8.The specific structure of strip sliding slot 6 such as Fig. 5 and Fig. 6 institute Show, the inner space of strip sliding slot 6 is larger so that the second bulb 18 is free to slide, width of rebate less than 18 diameter of the second bulb, It is skidded off out of strip sliding slot 6 to avoid slide bar 9.Between the outer end and slide bar 9 of strip sliding slot 6 be equipped with spring 7, the two of spring 7 End is fixedly connected with the end of strip sliding slot 6 and slide bar 9 respectively, and spring 7 be in tensional state, with by slide bar 9 towards beam Enclose the trend of 8 radially outers pulling.To make the pulling force of spring 7 and tighten the convergent force mutual cooperation of Membrane cover 12 so that operation shape All floating battens 11 under state are in dynamic balance state.Effect is: when removing above-mentioned expansion cell and performed the operation, Make under the action of dynamic equilibrium surgery location and the anal sphincter volume of neighbouring position still can with patient respiration or other Muscle group drives and shrinks or relaxation, and it is fixed to avoid prolonged hardness, damages smaller, and postoperative patient restores very fast.
The present invention in a particular application, first in the uniform coating lubricating oil of guiding cap 16 and 17 periphery of ontology, in beam circle 8 Installation bracing ring 5 is simultaneously inserted into shaft 13, so that in the first bulb 14 insertion hemispherical support slot 15 in shaft 13.It then will be compared with Small guiding cap 16 is inserted into anal canal by anus and the front end portion of ontology 17 is made to be inserted into anus, and sphincter is in contraction-like at this time It is larger to continue into resistance for state.Medical staff can 17 back segment of left-handed ontology, right finger insertion finger-hole 4 in stir turn Axis 13 continues uniform rotation towards same direction, is carried out by the rhythmic dilation of ontology 17 to the sphincter of anus position Massage is loosened, and again slowly pushes ontology 17 into anal canal after its relaxation.Still keep the rotation of shaft 13 in pushing course, one Aspect, so that the sphincter on 17 direction of travel of ontology gradually, controllably increases, so that anal sphincter gradually adapts to The 17 distracted amplitude of institute of ontology.On the other hand, ontology 17 is made to loosen effect covering for the massage of anal canal position sphincter to be inserted The entirety for entering anal canal mitigates the pain of patient, avoids muscle tear.Finally, after ontology 17 is fully inserted into, by bracing ring 5 from It is removed in beam circle 8, arranges that medical equipment, floating strip board are being collected into 17 inner cavity of ontology by the lower part open end of ontology 17 Continue to keep quick condition under the action of Membrane cover and spring 7, avoids fixing the long-time hardness of anal canal.

Claims (8)

1. a kind of Medical anus dilator, it is characterised in that: including cylinder-shaped and expandable ontology (17), be arranged in ontology (17) one The guiding cap (16) at end, setting are received in the beam circle (8) of ontology (17) other end and for controlling the rhythmic expansion of ontology (17) The sphincter relaxation mechanism of contracting;Guiding cap (16) is tapered, and for big end for connecting with ontology (17), the shape of small end is convenient for inserting Enter smooth arc-shaped in surface of anus;Ontology (17) is formed by that can be encircled into columnar multiple floating battens (11) jointly, One end of floating batten (11) is hinged on guiding cap (16), and the other end is slidably arranged on beam circle (8), in floating batten (11) Middle part be also provided with operation window (10);Sphincter relaxation mechanism includes the contraction unit and control for controlling ontology (17) contraction The expansion cell of ontology (17) expansion processed, shrinking unit is the tightening Membrane cover for being set in ontology (17) and guiding cap (16) outside (12), expansion cell includes the bracing ring (5) being detachably connected in beam circle (8) and is rotatably provided in bracing ring (5) inner hole In shaft (13), on shaft (13) be equipped with the first lug boss (1), the inside of floating batten (11) be equipped with the second lug boss (2), the first lug boss (1) can successively contradict by phased manner with the lasting rotation of shaft (13) with all second lug bosses (2) Cooperation, to control the rhythmic expansion of ontology (17).
2. a kind of Medical anus dilator according to claim 1, it is characterised in that: floating batten (11) is connect with beam circle (8) The middle part of one end is equipped with slide bar (9), and corresponding offer is inserted into for slide bar (9) and is radially slided along beam circle (8) on beam circle (8) Strip sliding slot (6).
3. a kind of Medical anus dilator according to claim 2, it is characterised in that: being equipped in strip sliding slot (6) can be by cunning The spring (7) that bar (9) is pulled towards beam circle (8) radially outer, the pulling force of spring (7) and the convergent force of tightening Membrane cover (12) are mutual Cooperation is so that all floating battens (11) under surgical state are in dynamic balance state.
4. a kind of Medical anus dilator according to claim 1, it is characterised in that: one end of shaft (13) is provided with the first ball Head (14) is equipped with the hemispherical support slot (15) being rotatably assorted for the first bulb (14) in guiding cap (16);Shaft (13) The other end is equipped with shifting disc (3), offers and penetrates for finger to stir the finger-hole of shaft (13) rotation in the outer rim of shifting disc (3) (4).
5. a kind of Medical anus dilator according to claim 1, it is characterised in that: the second lug boss (2) is arranged in floating strip The shape of the position of close beam circle (8) one end of plate (11), the second lug boss (2) and the first lug boss (1) is arc-shaped.
6. a kind of Medical anus dilator according to claim 5, it is characterised in that: on any one piece of floating batten (11) It is circumferentially-spaced equipped with multiple second lug bosses (2) along ontology (17).
7. a kind of Medical anus dilator according to claim 1, it is characterised in that: bracing ring (5) include be distributed with one heart it is interior Ring (501) and outer ring (503) are connected and fixed between inner ring (501) and outer ring (503) by more connecting rods (502), inner ring (501) inner hole be used to support shaft (13) rotation, the outer of outer ring (503) be equipped at intervals with it is multiple be used for and be opened in beam circle (8) positioning protrusion (19) that the locating slot (20) on position is coupled.
8. a kind of Medical anus dilator according to claim 1, it is characterised in that: opened on any one floating batten (11) Equipped with Qian shape slot, the Qian shape slot on two neighboring floating batten (11) collectively constitutes an operation window (10).
CN201910314390.2A 2019-04-18 2019-04-18 Medical anus dilator Active CN109907727B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112972872A (en) * 2021-01-11 2021-06-18 丁文彬 Anal fissure early-stage auxiliary treatment mechanism for gastrointestinal surgery
CN113018672A (en) * 2021-03-16 2021-06-25 河南科技大学第一附属医院 Source applicator and source application system for radiotherapy of anal canal cancer
CN113713238A (en) * 2021-09-03 2021-11-30 牡丹江医学院附属红旗医院 Anorectal surgical operation instrument and using method thereof

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CN201949056U (en) * 2010-12-10 2011-08-31 苏州天臣国际医疗科技有限公司 Component of anus dilator seat
CN201949491U (en) * 2010-12-16 2011-08-31 苏州天臣国际医疗科技有限公司 Dilator
EP2457526A2 (en) * 2010-11-24 2012-05-30 Tyco Healthcare Group LP Expandable segmented and sectioned access assembly

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EP2457526A2 (en) * 2010-11-24 2012-05-30 Tyco Healthcare Group LP Expandable segmented and sectioned access assembly
CN101991905A (en) * 2010-12-10 2011-03-30 苏州天臣国际医疗科技有限公司 Novel tissue expander
CN201949056U (en) * 2010-12-10 2011-08-31 苏州天臣国际医疗科技有限公司 Component of anus dilator seat
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112972872A (en) * 2021-01-11 2021-06-18 丁文彬 Anal fissure early-stage auxiliary treatment mechanism for gastrointestinal surgery
CN112972872B (en) * 2021-01-11 2022-06-07 青岛大学附属医院 Anal fissure early-stage auxiliary treatment mechanism for gastrointestinal surgery
CN113018672A (en) * 2021-03-16 2021-06-25 河南科技大学第一附属医院 Source applicator and source application system for radiotherapy of anal canal cancer
CN113713238A (en) * 2021-09-03 2021-11-30 牡丹江医学院附属红旗医院 Anorectal surgical operation instrument and using method thereof

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