CN209595722U - A kind of vaginal dilator and its delivery device - Google Patents

Abstract

The utility model discloses a kind of vaginal dilator and its delivery devices.The vaginal dilator includes the turning set that can mutually rotate, fixing sleeve, and in the circumferential multiple elastic expansion pieces being uniformly connected between turning set and fixing sleeve；When turning set is rotated relative to the fixing sleeve, multiple elastic expansion piece is released from the respective retracting slot on the fixing sleeve respectively, is formed multiple dome types and is supported and mutually squeeze and pushes away；It is detachably connected between the delivery device and vaginal dilator of vaginal dilator by location structure and turning set rotation is driven by driving structure, realize the dispensing and recycling to vaginal dilator in vagina.By multiple elastic expansion pieces, formation circumferential direction mutual extrusion and in the structure with the expansion of vaginal wall adaptability outward, the technical issues of operation on vagina medial vagina is expanded is efficiently solved.

Description

A kind of vaginal dilator and its delivery device

Technical field

The utility model relates to a kind of medical operation devices, assist expanding more particularly to a kind of vagina for operation on vagina Open device.

Background technique

Operation on vagina includes two scopes, the operation of vagina lesion itself and the operation implemented by vagina.Common expansion External genitals is mainly served only for the latter.The operation of vagina lesion itself common are abnormity orthopedics, vagina forming, lesion and tumour and cut The reparation for removing, damaging and prolapsing.Existing vaginal dilator is usually jaw type duckbill configuration, and the vaginal dilator of the structure is found in The United States Patent (USP) of VENNING RICHARD E Patent No. US679712 disclosed on July 30th, 1901.The patented technology side Structure disclosed in case using two panels above and below duckbill has used more than 100 years so far, still without breakthrough change in general idea Change.The Chinese utility model patent of Publication No. CN204091939U discloses a kind of umbrella shape vaginal dilator, including by multiple The bracket that spring leaf is constituted, bracket are covered with elastic membrane outside, and blade rear end is connected with each other, and surround a circumference, front end side is set There is card slot, the other side is equipped with buckle, can engage and can unclamp under external force by elastic deformation；Front end when blade engages Diameter is less than rear end diameter, facilitates merging, blade is pressed after merging, flexible deformation, the buckle of clamping occur under external force It is opened with card slot, blade is not fastening state, and point diameter is greater than rear end diameter, and blade is opened relative to its rear end is radial It puts, 360 ° of tights, such as umbrella shape, elastic membrane is covered between blade, props up and protect vaginal wall, increase field of view and hand Art space.Technical solution before the technical solution is opposite brings certain convenience in use, but the technical solution is therewith The vaginal dilator of preceding technical solution is the same, colpectasia function when cannot achieve to vagina disease surgery itself.Existing skill In art, such operation is both needed to one or two assistants are responsible for specially exposing using two single leaf vaginal tractors, gives operation band Inconvenience is carried out.Also result in the waste of personnel.

Utility model content

One purpose of the utility model is to provide a kind of vaginal dilator, passes through multiple elastic expansion pieces circumferentially One end is fixed and the other end passes through turning set rotation and makes the outside natural torsion expansion of elastic expansion piece, forms circumferential mutual extrusion simultaneously In the expansion outward with vaginal wall adaptability, the technical issues of operation on vagina medial vagina is expanded is efficiently solved.

Another purpose of the utility model is to provide a kind of delivery device of vaginal dilator, by with colpectasia A location structure cooperatively forms the fixation to vaginal dilator and is effectively shipped to designated position and postoperative recycling on device；And It is realized by the driving structure cooperation in a driving handle and vaginal dilator and elastic expansion piece is turned out release or recycling, realized The expansion good deeds done in secret energy of vaginal dilator.

First purpose of the utility model the technical solution adopted is that: a kind of vaginal dilator, including turning set；It is fixed Set, the fixing sleeve are in coaxially to be set in outside the turning set；And in circumferentially uniformly distributed multiple elastic expansion pieces, the elastic expansion Piece one end is connected on the periphery wall of the fixing sleeve, and the other end is connected on the periphery wall of the turning set；Wherein, described solid Surely it is in circumferentially uniformly distributed retracting slot that the peripheral wall covered, which is equipped with, and the elastic expansion piece passes through the retracting slot；In the fixing sleeve One end, which is equipped with, receives the location structure of location control, and sets on one end of the unidirectional turning set of the location structure There is the driving structure for rotating the turning set relative to the fixing sleeve for receiving drive control；The location structure includes setting Set on the fixing sleeve outer peripheral surface in circumferentially uniformly distributed several locating pieces and be located in it is ferromagnetic fixed on the fixing sleeve end face Position ring.Fix the other end by multiple elastic expansion piece one end circumferentially keeps elastic expansion piece outside by turning set rotation Natural torsion expansion forms circumferential mutual extrusion and is in the expansion with vaginal wall adaptability outward, efficiently solves operation on vagina The technical issues of medial vagina is expanded.

Preferably, the retracting slot passed through for one of elastic expansion piece is close to another adjacent spring swollen company Meet place.When elastic expansion piece is pushed outwardly, which makes two adjacent elastic expansion pieces at this in mutual extrusion.And the phase It mutually squeezes and enhances between an elastic expansion piece in radial supporting force, to form soft and stable expansion to vagina on the whole Power.

In order to further increase the self-lock ability of elastic expansion piece, the functional reliability of vaginal dilator is improved, preferably, It further include lockable mechanism；The lockable mechanism includes the first ratchet being arranged on the turning set inner face and is set in described The lock post of the second ratchet is equipped on fixing sleeve on a traveller and on end face；It is set between the lock post and the fixing sleeve There is the locking spring for making the second ratchet in the lock post Yu first ratchet engagement.

Preferably, being additionally provided with clutch magnetic patch on the turning set；The clutch magnetic patch and the driving structure are coaxial And it is positioned at the inner end of the driving structure；The pole N-S of the clutch magnetic patch is in axial setting.The technical solution makes using throwing It, can be by with the clutch magnetic patch being in the repulsive force for pushing away point magnetic patch that polarity is mutually arranged on delivery device when putting device and being recycled It separates the first ratchet in lockable mechanism with the second ratchet, is cooperated by delivery device and driving structure to elastic expansion piece Effectively retracting is realized, to realize the harmless painless lower recycling to vaginal dilator of patient.

In order to further increase the bearing strength of elastic expansion piece, preferably, the elastic expansion piece is in long strip；The bullet Property swollen cross section be in outwardly convex arc.

Second purpose of the utility model the technical solution adopted is that: a kind of delivery device of vaginal dilator, including fixed Position handle, the driving handle being rotatably set in the positioning handle, the driving head for being connected to the driving handle head end and setting are in institute State the reset spring between driving handle and positioning handle；It is equipped on the head end of the positioning handle and selectively connects with the locating piece The locating slot and positioning magnet ring corresponding with the detent rail magnetic orientation ring connect；The driving head is equipped with suitable with the driving structure Driving end with connection.By cooperatively forming the fixation to vaginal dilator with a location structure on vaginal dilator and effectively throwing It is sent to designated position and postoperative recycling；And it is realized by the driving structure cooperation in a driving handle and vaginal dilator by bullet Swollen of property is turned out release or recycling, realizes the expansion good deeds done in secret energy of vaginal dilator.

To provide significantly more efficient operation to recycling, make that the operation is more convenient, preferably, in the head end of the driving handle It is equipped with a mounting hole, the driving head is detachably connected in the mounting hole；It is equipped at the both ends of the driving head End is driven, and the intermediate coaxial at one of driving end is equipped with one and pushes away a point magnetic patch, the pole N-S for pushing away point magnetic patch is set in axial Set and when it is described push away point magnetic patch in face of the clutch magnetic patch when it is identical as the clutch magnetic patch polarity.

Technical solutions of the utility model beneficial effect, first is that being fixed by multiple elastic expansion piece one end circumferentially another One end makes the outside natural torsion expansion of elastic expansion piece by turning set rotation, forms circumferential mutual extrusion and in outward and vagina The expansion of wall adaptability efficiently solves the technical issues of operation on vagina medial vagina is expanded；Second is that by on vaginal dilator One location structure cooperatively forms the fixation to vaginal dilator and is effectively shipped to designated position and postoperative recycling；And pass through Driving structure cooperation in one driving handle and vaginal dilator, which is realized, is turned out release or recycling for elastic expansion piece, realizes vagina The expansion good deeds done in secret energy of expander.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the structural exploded view of the utility model.

Fig. 3 is the structural schematic diagram of the utility model medial vagina expander.

Fig. 4 is the longitudinal cross section of the utility model.

Fig. 5 is the enlarged view in Fig. 3 at A.

Wherein: vaginal dilator 1, furling mechanism 11, turning set 111, the first connection structure 1111, the first ratchet 1112, Fixing sleeve 112, the second connection structure 1121, retracting slot 1122, axle sleeve 1123, end cap 1124, center sliding pin 1125, link slot 1126, elastic expansion piece 12, location structure 13, locating piece 131, ferromagnetic positioning ring 132, driving structure 14, lockable mechanism 15, locking Column 151 pushes away point hole 1511, locking spring 152, the second ratchet 153, clutch magnetic patch 1542, delivery device 2, positioning handle 21, positioning Slot 22, positioning magnet ring 23, driving handle 24, mounting hole 241, reset spring 25, driving head 26, driving end 261, push away point hold 262, Push away point magnetic patch 27.

Specific embodiment

Below by specific embodiment, and in conjunction with attached drawing, the technical solution of the utility model work is further specifically retouched It states.It can be with it should be noted that under the premise of not colliding, between various embodiments described below or between each technical characteristic Any combination forms new embodiment.

Referring to Fig. 1 and Fig. 2, a kind of vaginal dilator and its delivery device, including vaginal dilator 1 and delivery device 2.Ginseng See Fig. 3, Fig. 4 and Fig. 5, which carries out the furling mechanism of folding and unfolding including elastic expansion piece 12 and to elastic expansion piece 12 11.The vaginal dilator 1 launched and recycled by matched delivery device 2 and control elastic expansion piece 12 release and Income.The furling mechanism 11 includes a fixing sleeve 112 and the turning set 111 being rotatably set in the fixing sleeve 112.At this One end of fixing sleeve 112 is equipped with end cap 1124, and an annular link slot 1126 is equipped on end cap 1124, and fixing sleeve 112 is fixed to be inserted It connects in the link slot 1126.The axle sleeve in a ring extended to 112 direction of fixing sleeve is equipped at 1124 center of end cap 1123, which is rotatably sleeved in the axle sleeve 1123, for supporting the rotation of the turning set 111.The turning set 111 with fixing sleeve 112 be radially provided with accommodate elastic expansion piece 12 take in when accommodation space.In circumferential on the fixing sleeve 112 It is laid with the retracting slot 1122 of 4 the second connection structures 1121 and 4 perforation.Second connection structure in the present embodiment 1121 be the card slot being recessed inwardly.Second connection structure 1121 is close to the retracting slot 1122.It is corresponding on the turning set 111 Ground is also in circumferentially to be laid with 4 the first connection structures 1111.Similarly, in the present embodiment, first connection structure 1111 Also the card slot to be recessed inwardly.

The elastic expansion piece 12 is accordingly also 4.One end of each elastic expansion piece 12 is connected to the one of turning set 111 In a first connection structure 1111, which is connected to therewith far after passing through the retracting slot 1122 on the fixing sleeve 112 From but adjacent the second connection structure 1121 on.The setting is so that pass through retracting slot 1122 when elastic expansion piece 12 is pushed outwardly A curved vaulted bearing is formed with the span of the second connection structure 1121.4 elastic expansion pieces 12 are uniformly arranged in circumferential, phase Two adjacent elastic expansion pieces 12 are tight due to the retracting slot 1122 of its tie point on fixing sleeve 112 and adjacent elastic expansion piece 12 Neighbour, when elastic expansion piece 12 is pushed outwardly, so that two adjacent elastic expansion pieces 12 are propped up in mutual extrusion and mutually at this It holds.And the mutual extrusion enhances 4 elastic expansion pieces 12 in radial supporting force, to be formed on the whole to vagina soft and steady Fixed expansionary force.The mutual extruding force but also elastic expansion piece 12 release after the dome structures that are formed vagina contraction masterpiece With lower in up big and down small.The structure makes elastic expansion piece 12 in 1122 part of retracting slot and section of the fixing sleeve 112 at this Shape at an angle, so that elastic expansion piece 12 obtains certain self-lock force at retracting slot 1122, realizes to a certain extent Elastic expansion piece it is self-locking, prevent elastic expansion piece 12 from retracting slot 1122 inwardly retract.Further, in order to further increase bullet Property swollen 12 bearing strength, camber is arranged in the cross section of the elastic expansion piece 12.It is fixed to be equipped in the other end of the fixing sleeve 112 Bit architecture 13 is equipped with driving structure 14 on one end of equidirectional turning set 112.The location structure 13 and driving structure 14 Cooperate with counter structure on delivery device 2, drives the turning set 111 relative to fixed 112 rotation of set, realize to elastic expansion piece 12 It releases and income operates.The location structure 13 includes being uniformly arranged multiple positioning on 112 outer peripheral surface of the fixing sleeve in circumferential Block 131.The driving structure 14 is the hole of hexagonal structure in one.Yin is placed in order to improve the vaginal dilator 1 by delivery device 2 Reliability when road prevents from falling off from delivery device 2, which is also arranged on the end face at 112 end of fixing sleeve For the ferromagnetic positioning ring 132 of ferromagnetic.The ferromagnetic positioning ring 132 is used to obtain with the cooperation of positioning magnet ring 23 on delivery device 2 Take the power of an axial direction.Certainly in other embodiments, the power of the axial direction can also be directly in locating piece 131 and delivery device 2 Mutually matched fixture block and notch is arranged to obtain in 22 peripheral side of locating slot.

In order to further increase the self-lock ability of elastic expansion piece, the functional reliability of vaginal dilator 1 is improved, in the rotation It is additionally provided with lockable mechanism 15 between set 111 and fixing sleeve 112, so that realization is reliable self-locking after elastic expansion piece 12 is pushed out.It should The locking spring 152 that lockable mechanism 15 lock post 151 and abut the lock post 151 to 14 inner face of driving structure including one. 1123 center of axle sleeve on the end cap 1124 is equipped with the center sliding pin 1125 extended to 111 direction of turning set, the center sliding pin 1125 circumferential surface is equipped with outer standstill face.The lock post 151 is equipped with a slide opening, which is slidably socketed by the slide opening On the center sliding pin 1125.The interior standstill face being adapted to standstill face also is provided in the slide opening.The locking spring 152 is arranged On center sliding pin 1125 and it is positioned between 151 inner face of end cap 1124 and lock post.It is set on the outer end of the lock post 151 It is equipped with the second ratchet 153, is equipped with the first ratchet 1112 on the inner face of driving structure 14 on turning set 111.First ratchet 1112 and second ratchet 153 direction intermeshing when be rendered as prevent turning set 111 make elastic expansion piece 12 inwardly retraction turn It is dynamic.And when turning set 111 is pushed outwardly elastic expansion piece 12 relative to fixed 112 rotation of set, due to the design feature of ratchet, make Obtaining lock post 151 overcomes locking spring 152 to shrink back, and realizes the unidirectional release to elastic expansion piece 12, after effectively increasing release Each 12 mutual extrusion of elastic expansion piece forms the supporting force to vagina.Being equipped with one in the centre of the driving structure 14 of turning set 111 can Through 152 outer end face of lock post pushes away point hole 1511.A clutch is equipped in the centre of 151 outer end of lock post of vaginal dilator 1 Magnetic patch 1542, the clutch magnetic patch 1542 are corresponding with point hole 1511 is pushed away.The pole N-S of the clutch magnetic patch 1542 is in axial setting.

Referring to fig. 2, Fig. 4 and Fig. 5 arrives the suitable position of vagina for launching vaginal dilator 1 with the vaginal dilator 1 cooperation Delivery device 2 set, including positioning handle 21, the driving handle being rotatably provided in positioning handle 21 24 and driving head 26.At this The front end of positioning handle 21 is equipped with interior concave space, and the internal diameter of the interior concave space is adapted to the outer diameter of 1 fixing sleeve 112 of vaginal dilator. The locating slot 22 being adapted to locating piece 131 on vaginal dilator 1 is equipped on the peripheral wall of the interior concave space, which passes through The locating slot 22 is connect with locating piece 131 on vaginal dilator 1, and holds 21 rear portion of positioning handle by operator, effectively real Now the circumferential direction of 1 fixing sleeve 112 of vaginal dilator is limited.A positioning magnet ring is equipped in the indent space bottom of the positioning handle 21 23, which is mutually attracted with the ferromagnetic positioning ring 132 on fixing sleeve 112 and realizes have to the axial direction of vaginal dilator 1 Effect crawl.It is equipped with a mounting hole 241 in the head end of the driving handle 24, driving head 26 is threadedly attached in the mounting hole 241 In.The both ends of the driving head 26 are equipped with the driving end 161 being adapted to driving structure 14 on vaginal dilator 1.Such as colpectasia When driving structure 14 on device 1 is hexagonal structure in one, which is an outer-hexagonal structure.In 16 one end of driving head 161 head end of driving end on be additionally provided with outwardly protrude push away point end 262.This pushes away point 262 outer diameters of end and is less than on vaginal dilator 1 The internal diameter in point hole 1511 is pushed away, also, the first ratchet is made to the promotion of lock post 151 in order to make this push away a point end 262 and effectively realize 1112 and second ratchet 153 separate, which pushes away the depth in point hole 1511 greater than this.It similarly, is driving end 261 effectively can realize the driving to turning set 111 with the cooperation of location structure 13, which should be less than driving structure 14 depth, and drive end 261 and push away point total height at end 262 and should be greater than driving structure 14 and push away the total depth in point hole 1511. A reset spring 25 is equipped between in its back-end in positioning handle 21 and driving handle 24.The reset spring 25 enables in driving head 26 The normal driving realized to turning set 111, and the separation of delivery device 2 and vaginal dilator 1 is realized by pushing forward, and lead to Cross the reset of reset spring 25.

The driving end 261 of delivery device 2 and vaginal dilator 1 effectively divide when recycling to realize to vaginal dilator 1 From in another embodiment, being not provided on one end of the driving head 26 and push away point end 262, but in the another of driving head 26 End is equipped with one and pushes away point magnetic patch 27.This pushes away the polarity of point magnetic patch 27 and the clutch magnetic patch 1542 in 1 location structure 13 of vaginal dilator Polarity it is identical.When the driving head 26 reversion is connected to the front end of driving handle 24, driving head 26 and driving structure 14 are cooperated, this It pushes away point magnetic patch 27 to push away lock post 151 by the magnetic force to repel each other with clutch magnetic patch 1542, realizes the unlock to locking structure 15. Vaginal dilator 1 in the initial state, in the spaces that elastic expansion piece 12 is all crispaturaed between turning set 111 and fixing sleeve 112, Entire vaginal dilator 1 only has the outer diameter size of fixing sleeve 112.

In use, vaginal dilator 1 is connected on delivery device 2 by location structure 13, make the driving of driving head 26 261 cooperation of end is in the driving structure 14 of vaginal dilator 1.Operator holds positioning handle 21 on the other hand and pushes vaginal dilator 1 To the suitable position of vagina.Vaginal dilator 1 in place after, operator with another hand rotate driving handle 24 drive turning set 111, it is pushed outwardly elastic expansion piece 12, and squeeze to vaginal wall and push away, realizes the expansion of vagina.After expansion, operator Driving handle 24, which is pushed forward, makes driving head 26 offset with turning set 111, and positioning handle 21 and fixing sleeve 112 is promoted to disengage, to will throw The taking-up of device 2 is put, the realization of the expansion good deeds done in secret energy of the dispensing of vaginal dilator 1 is completed.After the completion of operation on vagina, operator is similarly Delivery device 2 is put into vagina and is connect with vaginal dilator 1.The driving head 26 of such as delivery device 2, which has, pushes away point magnetic patch 24 , then the driving head 26 is first inverted to the head end for being connected to driving handle 24.When delivery device 2 is docked with vaginal dilator 1, drive 27 pieces of point magnetic are pushed away by making the retraction of lock post 151, the first ratchet 1112 with the opposing magnetic force of clutch magnetic patch 1542 on dynamic head 26 It is separated with the second ratchet 153, then drives turning set 111 to invert by rotate driving handle 24, realize the retraction to elastic expansion piece 12 It furls and takes out vaginal dilator 1.

Specific embodiment be for a clearer understanding of the present invention, not as a limitation of the rights of the invention, In Under the premise of not departing from present inventive concept, can there is a various variations, it is all these aobvious to the field technical staff and The modification being clear to is included within the scope of present claims.

Claims (10)

1. a kind of vaginal dilator, it is characterised in that: including

Turning set；

Fixing sleeve, the fixing sleeve are in coaxially to be set in outside the turning set；And

In circumferentially uniformly distributed multiple elastic expansion pieces, elastic expansion piece one end is connected on the periphery wall of the fixing sleeve, another End is connected on the periphery wall of the turning set；

Wherein, it is in circumferentially uniformly distributed retracting slot that the peripheral wall of the fixing sleeve, which is equipped with, and the elastic expansion piece passes through the retracting slot； The location structure for receiving location control is equipped on one end of the fixing sleeve, unidirectional described turn with the location structure One end of dynamic set is equipped with the driving structure for rotating the turning set relative to the fixing sleeve for receiving drive control；It is described Location structure includes being arranged on the fixing sleeve outer peripheral surface in circumferentially uniformly distributed several locating pieces and being located in the fixing sleeve Ferromagnetic positioning ring on end face.

2. expander according to claim 1, it is characterised in that: the retracting passed through for one of elastic expansion piece Slot is close to another adjacent spring swollen junction.

3. expander according to claim 1 or 2, it is characterised in that: further include lockable mechanism；The lockable mechanism includes It the first ratchet for being arranged on the turning set inner face and is set on the fixing sleeve on a traveller and is equipped on end face The lock post of second ratchet；The second ratchet and institute made in the lock post is equipped between the lock post and the fixing sleeve State the locking spring of the first ratchet engagement.

4. expander according to claim 1 or 2, it is characterised in that: be additionally provided with clutch magnetic patch on the turning set；Institute It is coaxial with the driving structure and be positioned at the inner end of the driving structure to state clutch magnetic patch；The pole N-S of the clutch magnetic patch is in Axial setting.

5. expander according to claim 3, it is characterised in that: be additionally provided with clutch magnetic patch on the turning set；It is described Clutch magnetic patch is coaxial with the driving structure and is positioned at the inner end of the driving structure；The pole N-S of the clutch magnetic patch is in axis To setting.

6. expander according to claim 1 or 2, it is characterised in that: the elastic expansion piece is in long strip；The elastic expansion The cross section of piece is in the arc of outwardly convex.

7. expander according to claim 3, it is characterised in that: the elastic expansion piece is in long strip；The elastic expansion piece Cross section be in outwardly convex arc.

8. expander according to claim 4, it is characterised in that: the elastic expansion piece is in long strip；The elastic expansion piece Cross section be in outwardly convex arc.

9. a kind of delivery device for any expander of claim 1~8, it is characterised in that: including positioning handle, can turn The dynamic driving handle being set in the positioning handle, the driving head for being connected to the driving handle head end and setting the driving handle with Reset spring between positioning handle；The locating slot selectively connecting with the locating piece is equipped on the head end of the positioning handle With positioning magnet ring corresponding with the detent rail magnetic orientation ring；The driving head is equipped with the drive that connection is adapted to the driving structure Moved end.

10. a kind of for claim 4 or 5 or the delivery device of 8 expanders, it is characterised in that: including positioning handle, can turn The dynamic driving handle being set in the positioning handle, the driving head for being connected to the driving handle head end and setting the driving handle with Reset spring between positioning handle；The locating slot selectively connecting with the locating piece is equipped on the head end of the positioning handle With positioning magnet ring corresponding with the detent rail magnetic orientation ring；The driving head is equipped with the drive that connection is adapted to the driving structure Moved end；A mounting hole is equipped on the head end of the driving handle, the driving head is detachably connected in the mounting hole；In The both ends of the driving head are equipped with driving end, and the intermediate coaxial at one of driving end is equipped with one and pushes away a point magnetic patch, described The pole N-S for pushing away point magnetic patch pushes away when point magnetic patch faces the clutch magnetic patch and clutch magnetic patch pole in axial setting and when described Property is identical.