CN109124744A - A kind of gynemetrics's dilatation and curettage therapeutic device - Google Patents
A kind of gynemetrics's dilatation and curettage therapeutic device Download PDFInfo
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- CN109124744A CN109124744A CN201811184569.2A CN201811184569A CN109124744A CN 109124744 A CN109124744 A CN 109124744A CN 201811184569 A CN201811184569 A CN 201811184569A CN 109124744 A CN109124744 A CN 109124744A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/42—Gynaecological or obstetrical instruments or methods
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/42—Gynaecological or obstetrical instruments or methods
- A61B2017/4216—Operations on uterus, e.g. endometrium
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Abstract
The invention discloses a kind of gynemetrics's dilatation and curettage therapeutic devices, belong to field of medical device, including handle and it is connected to the dilatation and curettage head of handle head end, dilatation and curettage head includes bottom plate, elastic fulcrum bar, rubber cover and the rotary cutter of at least two groups coaxial arrangement on the inside of rubber cover；Closed chamber is surrounded between rubber cover inner wall and bottom plate, elastic fulcrum bar is around bottom plate border spaced set；Throughout through-hole on rubber cover；Through there is port on bottom plate, port connects outwardly extending feeding tube, and feeding tube other end connection cutting tissue collecting's case, cutting tissue collecting's case side is equipped with aspirator；Rotary cutter includes at least one drawstring for being parallel to the turntable of bottom plate and equidistantly fixing along turntable side, and the other end of drawstring is fixed with curved knife, and the steering of every two adjacent groups rotary cutter is opposite.The present invention scrapes that cut completeness preferable to tissue, and will not pierce through or scratch endometrium, not will cause intrauterine foreign body residual also, is conducive to the health status for maintaining patient.
Description
Technical field
The present invention relates to field of medical device, are specifically related to a kind of gynemetrics's dilatation and curettage therapeutic device.
Background technique
The dilatation and curettage of the uterus, which refers to, strikes off and collects a kind of operation of endometrial tissue in intrauterine, in gynecologial examination and treatment
It is more common, but be to need to exclude in time in vitro, often according to the tissue of clinical experience felt to be operated, and scraped
It needs using mating suction means or curet is needed repeatedly to pass in and out progress dilatation and curettage, operate time-consuming and laborious.But existing dilatation and curettage
It is not perfect with apparatus structure, it needs to complete by other tools, it is inconvenient for operation, and be easy to for the residual of dilatation and curettage being retained in
Curer's is internal, increases great work difficulty to medical worker.
Currently, the direct component for being used to carry out dilatation and curettage operation is curettage spoon or curettage plate, directly contacted with uterus inner wall,
A possibility that there are biggish punctures or scratch to endometrium.It is public in the patent that Authorization Notice No. is 205031342 U of CN
A kind of gyniatrics uterine curettage device is opened comprising delivery device, aspirator, handle and dilatation and curettage head, the inside of handle are set respectively
There are administration pipeline and suction channel, the right end of handle is respectively equipped with administration hose and suction hose, the other end that hose is administered are set
There is delivery device, the other end of suction hose is equipped with aspirator, and the left end of handle is connected with rotary shaft, and the left end of handle is in rotary shaft
Outer ring be respectively equipped with LED light and camera, the end of rotary shaft is connected with dilatation and curettage head, and the middle part of handle is equipped with control switch,
The right side set of handle is equipped with antiskid glue sleeve.Foreign matter removing can also be carried out while carrying out dilatation and curettage to patient and part is given
Medicine, and dilatation and curettage head is structurally reasonable, it is easy to operate, it is time saving and energy saving, alleviate the work difficulty of healthcare givers.But it exists as follows
Disadvantage: one, scraper plate is evenly distributed on dilatation and curettage head, and rubber bumps are furnished on scraper plate, can slow down the injury to endometrium, but
There are still scratch endometrium；Two, scraper plate scrape cut tissue when, if tissue it is thicker, scraper plate may not be able to be scraped smoothly
It cuts, causes tissue to be scraped and cut not enough completely；Three, the through-hole of setting connection suction channel, scrapes on scraper plate for aspirating scraper plate
Internal film tissue, swabbing action not can guarantee complete suction, and the internal film tissue that scraper plate scrapes easily remains in intrauterine, is unfavorable for
The health of patient.
Summary of the invention
1. technical problems to be solved
The technical problem to be solved in the present invention is that providing a kind of gynemetrics's dilatation and curettage therapeutic device, scraping for tissue is cut
Full property is preferable, and will not pierce through or scratch endometrium, not will cause intrauterine foreign body residual also, is conducive to maintain being good for for patient
Health situation.
2. technical solution
To solve the above problems, the present invention adopts the following technical scheme that:
A kind of gynemetrics's dilatation and curettage therapeutic device including handle and is connected to the dilatation and curettage head of handle head end, the dilatation and curettage head packet
Include bottom plate, elastic fulcrum bar, rubber cover and the rotary cutter of at least two groups coaxial arrangement on the inside of rubber cover；
Handle head end is connected in the middle part of the bottom plate, and bottom plate is the round plate perpendicular to handle, the elastic fulcrum bar
Around bottom plate border equidistantly it is equipped at least four, the elastic fulcrum bar lower vertical is arranged and all elastic strut in bottom plate
Top is the arc of the evagination of aggregation connection to right above at bottom plate center, and the rubber cover is around plate upper surface periphery
And fixation is attached to all elastic fulcrum bar outer surfaces, and closed chamber is surrounded between the rubber cover inner wall and bottom plate, it is described
The part of the lower part of elastic fulcrum bar is corresponded on rubber cover throughout there is through-hole；
The rotary cutter includes at least one drawstring for being parallel to the turntable of bottom plate and equidistantly fixing along turntable side,
The other end of the drawstring is fixed with the curved knife that length is greater than through-hole aperture, when drawstring level is straightened, the curved knife
The inner wall of rubber cover in the initial state is just pasted in blade side, and the spacing of every two adjacent groups rotary cutter is not less than the length of drawstring
Degree；The turntable of one group of rotary cutter of the close bottom plate is fixedly set in the drive shaft of a connection micromotor, described
Micromotor is fixed on bottom plate, and the drive shaft is located on the length direction of handle, and the drive shaft is towards its adjacent rotation
The one end for turning cutter, which wears and can relatively rotate formula, is connected with driving countershaft, and the turntable of the adjacent rotary cutter of the drive shaft is solid
Surely it is sleeved on driving countershaft, the connecting pin of the drive shaft and driving countershaft is respectively equipped with compatible flange circle item and rotation
Annular groove, the rotation annular groove are in " 〦 " shape, are equipped with reverse drive mechanism, the reversed biography between the drive shaft and driving countershaft
Motivation structure includes a fixed link for being parallel to bottom plate and being connected on an elastic fulcrum bar set on drive shaft side, the drive
The adjacent rotary cutter of moving axis and its another adjacent rotary cutter by the connection of identical connection drive mechanism, and so on go here and there
Connection connection；
Penetration type is equipped with the port sent outside for cutting tissue on the bottom plate, and it is soft that the port connects outwardly extending feeding
Pipe, feeding tube other end connection cutting tissue collecting's case, the feeding tube side cut above tissue collecting's case
Equipped with aspirator；Length scale is indicated on the handle.
Further, the elastic fulcrum bar is plastic products or memory metal product.They all have certain intensity, energy
It is enough to play a supporting role to rubber cover, so as to provide enough operating spaces for rotary cutter；And they are being squeezed
It can occur certain deformation when power, and the state that can restore to the original state after extruding force disappearance, facilitate application.
Further, the upper end of the elastic fulcrum bar is connected on the fixed block right above at bottom plate center.It is fixed
Block can expand the joint face of elastic link upper end, consequently facilitating the elastic fulcrum bar that assembly and connection is all.
Further, the feeding tube is set in handle and extends along decreased food direction.Be conducive to safeguard that feeding is soft
Pipe, and feeding tube the space occupied can be saved, while being also convenient for the present apparatus protruding into patient's body.
Further, the reverse drive mechanism includes respectively corresponding the cone being fixedly set in drive shaft and driving countershaft
Gear one and bevel gear two, the bevel gear one and bevel gear two are oppositely arranged, and the bevel gear one and two side of bevel gear are set
The bevel gear three for having while engaging with bevel gear one and bevel gear two, clearance-type is sheathed on fixed link at three center of bevel gear
Towards one end of drive shaft.Drive shaft band dynamic bevel gear one rotates in the horizontal plane, and bevel gear one pushes three lower part of bevel gear, makes
In vertical rotation in surface, three top of bevel gear band dynamic bevel gear two rotates in the horizontal plane for it, the steering of bevel gear two at this time with
The steering of bevel gear one is on the contrary, realize the transmission target of reverse drive mechanism.
Further, it is fixed on the turntable towards the side of reverse drive mechanism and is centered around reverse drive mechanism periphery
Protection cylinder.Reverse drive mechanism can be protected, avoid scraping the endometrial tissue cut enter reverse drive mechanism and
Influence its operation.
As the optimization of above scheme, two groups of rotary cuttves are equipped on the inside of the rubber cover, the micromotor bottom is solid
Surely there is the pumping rod extended in handle inner along decreased food direction；The elastic fulcrum bar for connecting the fixed link is equipped with for fixation
The sliding slot that bar moves up and down is fixed with sticking type respectively on the forward surface of the turntable of rotary cutter described in two groups and is contacted with fixed link
The circular ring shape push plate of corresponding side, the reverse drive mechanism are located on the inside of circular ring shape push plate；The feeding tube is set to outside handle
Side.Pumping rod can drive rotary cutter to move up and down in rubber cover, and the steering of two groups of rotary cuttves is on the contrary, to a state
Under fall into the tissue adhered on the uterus inner wall of through-hole and can successively carry out reversed scraping and cut, thus be conducive to ensure scrape cut it is complete；
With the movement of rotary cutter, circular ring shape push plate can push fixed link to move up and down along the chute, facilitate reverse drive mechanism with rotation
Turn the mobile demand of cutter；In view of the demand of pumping rod pull movement in handle, to prevent feeding tube to be affected, therefore
And feeding tube is set on the outside of handle.
Further, the pumping rod tail end is fixed with thumb lantern ring, and the handle tail end is fixed with flange plate, described convex
Side on listrium backwards to thumb lantern ring is fixed with the finger ring positioned at two opposite sides of handle.In application, operator is by index finger
It is respectively protruding into two finger rings with middle finger, clasps flange plate, then protrude into thumb in thumb lantern ring, can easily pushed and pulled
Pumping rod, using convenient.
Further, it is fixed on the turntable towards the side of reverse drive mechanism and is centered around reverse drive mechanism periphery
Protection cylinder, the circular ring shape push plate is fixedly set in protection cylinder.Protection cylinder can protect reverse drive mechanism, avoid
Scrape the operation that the endometrial tissue cut enters reverse drive mechanism and influences it；Circular ring shape push plate is fixedly set in protection
On cylinder, the connection realized between circular ring shape push plate and corresponding turntable can be facilitated.
Further, limit raised line is fixed in the drive shaft.In the backhitch process of pumping rod, limit raised line can be supported
On bottom plate, prevents pumping rod from continuing to exit, can prevent curved knife from scraping and switch to bottom plate.
3. beneficial effect
(1) dilatation and curettage head of the invention includes that bottom plate, elastic fulcrum bar, rubber cover and at least two groups on the inside of rubber cover are same
The rotary cutter of axis setting surrounds closed chamber between rubber cover inner wall and bottom plate, elastic fulcrum bar is between bottom plate border etc.
Away from setting, it is ensured that the stability of the peripheral structure of the chamber；The part of the lower part of elastic fulcrum bar is corresponded on rubber cover throughout having
Through-hole, in application, uterus inner wall is extruded in rubber cover outer surface after dilatation and curettage head is protruded into intrauterine, so that elastic fulcrum bar is embedded in
Without being switched to by curved knife inside rubber cover, the tissue adhered on the inner wall of uterus is pressed into through-hole；Bottom plate is equipped with connection
The port of dilatation and curettage head inner cavity, port connect outwardly extending feeding tube, and feeding tube outboard end side is equipped with aspirator, starting
Aspirator generates suction to dilatation and curettage head inner cavity along feeding tube, so that the tissue to be scraped on dilatation and curettage head on the outside of through-hole is inhaled
Enter in through-hole, then by driving rotary cutter rotation, the tissue being located in dilatation and curettage head inner cavity can scrape cutting, will not be scraped
To endometrium, can prevent from piercing through or scratching endometrium.
(2) rotary cutter of the invention includes at least one for being parallel to the turntable of bottom plate and equidistantly fixing along turntable side
Root drawstring, the other end of drawstring are fixed with the curved knife that length is greater than through-hole aperture, in application, if the tissue to be doctored cut is thicker,
Curved knife cannot go on smoothly once to scrape and cut, and thick tissue can make corresponding drawstring be bent to the opposition of curved knife, in this way
Curved knife can contact a little tissues less and successfully scrape cutout tissue, realize the process of layering cutting-up thick tissue, be conducive to promote
It is cut entirely into scraping；The steering of every two adjacent groups rotary cutter is cut on the contrary, tissue can be made successively to pass through two scraping for opposite direction, is had
Tissue is carried out scraping the completeness cut conducive to promotion.
(3) the feeding tube other end of the invention connection cutting tissue collecting's case, scrapes the suction that the group cut is woven in aspirator
Under power effect, enter feeding tube from port, is then transported in cutting tissue collecting's case along feeding tube, in order to take
With because uterus inner wall is attached to rubber cover outer surface, closure through-hole scrapes the tissue cut not so that dilatation and curettage head inner cavity is closed
Intrauterine can be entered, not will cause intrauterine foreign body residual, be conducive to the health status for maintaining patient.
To sum up, the present invention scrapes that cut completeness preferable to tissue, and will not pierce through or scratch endometrium, not will cause also
Intrauterine foreign body residual is conducive to the health status for maintaining patient.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the present invention in embodiment 1, and wherein dilatation and curettage head 20 is schematic diagram of internal structure；
Fig. 2 is the structure enlargement diagram of region A in Fig. 1；
Fig. 3 is the structural schematic diagram of the present invention in example 2, and wherein dilatation and curettage head 20 is schematic diagram of internal structure；
Fig. 4 is the structure enlargement diagram of region B in Fig. 3；
Fig. 5 is the top view of corresponding 2 upper arcuate portion of elastic fulcrum bar of dilatation and curettage head 20；
Fig. 6 is the expanded schematic diagram of the corresponding 2 lower vertical part of elastic fulcrum bar of dilatation and curettage head 20；
Appended drawing reference: 1- bottom plate, 2- elastic fulcrum bar, 3- rubber cover, 4- rotary cutter, 41- turntable, 42- drawstring, 43- arc
Shape knife, 5- through-hole, 6- micromotor, 7- drive shaft, 8- drive countershaft, 9- flange circle item, 10- handle, 11- rotation annular groove, 12-
Fixed link, 13- port, 14- feeding tube, 15- cutting tissue collecting's case, 16- aspirator, 17- length scale, 18- fixed block,
19- bevel gear one, 20- dilatation and curettage head, 21- bevel gear two, 22- bevel gear three, 23- pumping rod, 24- sliding slot, 25- circular ring shape push away
Plate, 26- thumb lantern ring, 27- flange plate, 28- finger ring, 29- limit raised line, 30- protection cylinder.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
Embodiment 1
A kind of gynemetrics's dilatation and curettage therapeutic device as shown in Figure 1 including handle 10 and is connected to the dilatation and curettage of 10 head end of handle
First 20, the dilatation and curettage head 20 includes that bottom plate 1, elastic fulcrum bar 2, rubber cover 3 and at least two groups positioned at 3 inside of rubber cover are coaxially set
The rotary cutter 4 (two groups of cutters of walking around are illustrated only in Fig. 1) set；
10 head end of handle is connected in the middle part of the bottom plate 1, and bottom plate 1 is the round plate perpendicular to handle 10, the bullet
Property strut 2 be equidistantly equipped at least four (five elastic fulcrum bars 2 are shown in Fig. 5) around 1 border of bottom plate, the elastic fulcrum bar
2 lower verticals are arranged in bottom plate 1 and the top of all elastic strut 2 is to assemble the outer of connection to surface at 1 center of bottom plate
Convex arc, the rubber cover 3 is around 1 upper surface periphery of bottom plate and fixation is attached to all 2 outer surfaces of elastic fulcrum bar, institute
It states and surrounds closed chamber between 3 inner wall of rubber cover and bottom plate 1, as shown in fig. 6, corresponding to elastic fulcrum bar 2 on the rubber cover 3
The part of lower part is throughout there is through-hole 5；
The rotary cutter 4 includes at least one for being parallel to the turntable 41 of bottom plate 1 and equidistantly fixing along 41 side of turntable
Root drawstring 42 (shows 2 drawstrings 42) in Fig. 1, the other end of the drawstring 42 is fixed with the arc that length is greater than 5 aperture of through-hole
Shape knife 43, when 42 level of drawstring is straightened, the interior of rubber cover 3 in the initial state is just pasted in the blade side of the curved knife 43
The spacing of wall, every two adjacent groups rotary cutter 4 (can prevent the drawstring of two adjacent groups rotary cutter 4 not less than the length of drawstring 42
42 occur wrapping phenomena)；The turntable 41 of one group of rotary cutter 4 of the close bottom plate 1 is fixedly set in a connection micro electric
In the drive shaft 7 of machine 6, the micromotor 6 is fixed on bottom plate 1, and the drive shaft 7 is located on the length direction of handle 10,
One end of the drive shaft 7 towards its adjacent rotary cutter 4, which wears and can relatively rotate formula, is connected with driving countershaft 8, described
The turntable 41 of the adjacent rotary cutter 4 of drive shaft 7 is fixedly set on driving countershaft 8, as shown in Fig. 2, the drive shaft 7 and drive
The connecting pin of dynamic countershaft 8 is respectively equipped with compatible flange circle item 9 and rotation annular groove 11, and the rotation annular groove 11 is in " 〦 " shape
(flange circle item 9 can rotate in rotation annular groove 11, i.e., drive shaft 7 and driving countershaft 8 can carry out reversed rotation and mutual not shadow
It rings；And there is the mutual related effect of promotion between flange circle item 9 and rotation annular groove 11, so that drive shaft 7 is along its axial shifting
It is dynamic that driving countershaft 8 can be driven to move, to be conducive to ensure the steady of the relative position between two adjacent groups rotary cutter 4
It is qualitative), reverse drive mechanism is equipped between the drive shaft 7 and driving countershaft 8, the reverse drive mechanism includes being set to driving
The fixed link 12 that one of 7 side of axis is parallel to bottom plate 1 and is connected on an elastic fulcrum bar 2, the adjacent rotation of the drive shaft 7
Turn cutter 4 and its another adjacent rotary cutter 4 by the connection of identical connection drive mechanism, and so on series connection；
Penetration type is equipped with the port 13 sent outside for cutting tissue on the bottom plate 1, and the port 13 connects outwardly extending
Feeding tube 14,14 other end of feeding tube connection cutting tissue collecting's case 15,15 top of cutting tissue collecting case
14 side of feeding tube be equipped with aspirator 16；Length scale 17 is indicated on the handle 10 (because the length of dilatation and curettage head 20 is
Determine value, the length that device protrudes into patient's body can be grasped by this length scale 17 in operation), the length scale 17 is by scraping
One end of palace 20 place sides of head extends to 10 end of handle, and the length scale 17 is located at the initial scale of 20 place side of dilatation and curettage head
It is designated as the length value of dilatation and curettage head 20, so can directly read the length for protruding into human body in 20 top of dilatation and curettage head.
In the present embodiment, the elastic fulcrum bar 2 is plastic products.It can play rubber cover 3 with certain intensity
To supporting role, so as to provide enough operating spaces for rotary cutter 4；And one can occur when being squeezed power for they
Fixed deformation, and the state that can restore to the original state after extruding force disappearance, facilitate application.
In the present embodiment, the upper end of the elastic fulcrum bar 2 is connected to the fixed block 18 right above at 1 center of bottom plate
On.Fixed block 18 can expand the joint face of elastic link upper end, consequently facilitating the elastic fulcrum bar 2 that assembly and connection is all.
In the present embodiment, the feeding tube 14 is set in handle 10 and extends along 10 length direction of handle.Be conducive to
It safeguards feeding tube 14, and 14 the space occupied of feeding tube can be saved, while being also convenient for the present apparatus protruding into patient's body.
In the present embodiment, as shown in Fig. 2, the reverse drive mechanism includes respectively corresponding to be fixedly set in drive shaft 7
With bevel gear 1 and bevel gear 2 21 on driving countershaft 8, the bevel gear 1 and bevel gear 2 21 are oppositely arranged, described
Bevel gear 1 and 2 21 side of bevel gear are equipped with the bevel gear 3 22 engaged simultaneously with bevel gear 1 and bevel gear 2 21, institute
It states clearance-type at 3 22 center of bevel gear and is sheathed on fixed link 12 towards one end of drive shaft 7.Drive shaft 7 is with dynamic bevel gear 1
It rotates in the horizontal plane, bevel gear 1 pushes 3 22 lower part of bevel gear, makes it on vertical rotation in surface, 3 22 top of bevel gear
Band dynamic bevel gear 2 21 rotates in the horizontal plane, and the steering of bevel gear 2 21 at this time is with the steering of bevel gear 1 on the contrary, realizing
The transmission target of reverse drive mechanism.
In the present embodiment, it is fixed on the turntable 41 towards the side of reverse drive mechanism and is centered around reverse drive machine
The protection cylinder 30 on structure periphery.Reverse drive mechanism can be protected, avoid scraping the reversed biography of endometrial tissue entrance cut
Motivation structure and the operation for influencing it.
The concrete application process of above-mentioned gynemetrics's dilatation and curettage therapeutic device are as follows:
Operator holds handle 10 and dilatation and curettage head 20 is slowly protruded into intrauterine, and length scale 17 of being subject to controls dilatation and curettage head
20 protrude into the length of human body, and uterus inner wall is extruded on rubber cover 3, so that elastic fulcrum bar 2 is embedded in inside rubber cover 3 without quilt
Curved knife 43 switches to, and the tissue adhered on the inner wall of uterus is pressed into through-hole 5, starts aspirator 16, along feeding tube 14 to scraping
Palace 20 inner cavities of head generate suction, so that the tissue to be scraped in 5 outside of through-hole is inhaled into through-hole 5 on dilatation and curettage head 20；Then it opens
Actuating miniature motor 6 drives drive shaft 7 to rotate, and after reverse drive mechanism driving, drives driving countershaft 8 to carry out anti-with drive shaft 7
To rotation, to rotate at the center of corresponding turntable 41 by 42 whipping curved knife 43 of drawstring, the blade of curved knife 43 is pasted
Rubber cover 3 inner wall rotation, the internal film tissue in slewing area is scraped and is scaled off, endometrium will not be scraped, can be prevented
Pierce through or scratch endometrium；If the tissue to be doctored cut is thicker, curved knife 43 cannot be scraped smoothly and be cut, and thick tissue is to curved knife 43
Opposition can make corresponding drawstring 42 be bent, and such curved knife 43 can contact a little tissues less and successfully scrape cutout group
Knit, realize the process of layering cutting-up thick tissue, may advantageously facilitate scrape cut it is complete；
It scrapes the group cut to be woven under the suction of aspirator 16, enters feeding tube 14 from port 13, then along feeding
Hose 14 is transported in cutting tissue collecting's case 15, in order to take, because uterus inner wall is attached to 3 outer surface of rubber cover,
Through-hole 5 is blocked, so that 20 inner cavity of dilatation and curettage head is closed, intrauterine will not be entered by scraping the tissue cut, not will cause intrauterine foreign body
Residual is conducive to the health status for maintaining patient；
Then rotational handle 10 drive dilatation and curettage head 20 to rotate in intrauterine, can be to the uterus of 20 place part of dilatation and curettage head
Inner wall carries out dilatation and curettage operation, and front and back drawing handle 10 can expand the range of 20 dilatation and curettage of dilatation and curettage head, because of every two adjacent groups rotary cutting
The steering of knife 4 is cut on the contrary, tissue is made successively to pass through two scraping for opposite direction, may advantageously facilitate to tissue scrape cut it is complete
Quan Xing.
Embodiment 2
The present embodiment difference from example 1 is that: as shown in Figures 3 and 4, on the inside of the rubber cover 3 be equipped with two
Group rotary cutter 4,6 bottom of micromotor are fixed with the pumping rod extended inside handle 10 along 10 length direction of handle
23；The elastic fulcrum bar 2 for connecting the fixed link 12 is equipped with the sliding slot 24 moved up and down for fixed link 12, rotary cutting described in two groups
The circular ring shape push plate 25 that sticking type respectively is contacted with 12 corresponding side of fixed link is fixed on the forward surface of the turntable 41 of knife 4, it is described
Reverse drive mechanism is located at 25 inside of circular ring shape push plate；The feeding tube 14 is set to 10 outside of handle.Pumping rod 23 can drive
Rotary cutter 4 moves up and down in rubber cover 3, and the steering of two groups of rotary cuttves 4 is on the contrary, to through-hole 5 is fallen under a state
Uterus inner wall on the tissue that adheres to can successively carry out reversed scraping and cut, thus be conducive to ensure scrape cut it is complete；With rotary cutting
The movement of knife 4, circular ring shape push plate 25 can push fixed link 12 24 to move up and down along the chute, facilitate reverse drive mechanism with rotary cutting
The mobile demand of knife 4；In view of the demand of the pull movement in handle 10 of pumping rod 23, to prevent feeding tube 14 by shadow
It rings, so feeding tube 14 is set to 10 outside of handle.
In the present embodiment, the elastic fulcrum bar 2 is memory metal product.It, can be to rubber with certain intensity
Cover 3 is played a supporting role, so as to provide enough operating spaces for rotary cutter 4；And they can when being squeezed power
Occur certain deformation, and the state that can restore to the original state after extruding force disappearance, facilitate application.
In the present embodiment, 23 tail end of pumping rod is fixed with thumb lantern ring 26, and 10 tail end of handle is fixed with convex
Listrium 27, the side on the flange plate 27 backwards to thumb lantern ring 26 are fixed with the finger ring 28 positioned at 10 two opposite sides of handle.
In application, index finger and middle finger are respectively protruding into two finger rings 28 by operator, flange plate 27 is clasped, then protrudes into thumb
In thumb lantern ring 26, pumping rod 23 can be easily pushed and pulled, using convenient.
In the present embodiment, it is fixed on the turntable 41 towards the side of reverse drive mechanism and is centered around reverse drive machine
The protection cylinder 30 on structure periphery, the circular ring shape push plate 25 are fixedly set in protection cylinder 30.Protection cylinder 30 can be to reverse drive machine
Structure is protected, and avoids scraping the operation that the endometrial tissue cut enters reverse drive mechanism and influences it；Circular ring shape pushes away
Plate 25 is fixedly set in protection cylinder 30, can facilitate the connection realized between circular ring shape push plate 25 and corresponding turntable 41.
In the present embodiment, limit raised line 29 is fixed in the drive shaft 7.In the backhitch process of pumping rod 23, limit
Position raised line 29 can be against on bottom plate 1, and prevention pumping rod 23 continues to exit, and can be prevented curved knife 43 from scraping and be switched to bottom plate 1.
Other are the same as embodiment 1.
The concrete application process of above-mentioned gynemetrics's dilatation and curettage therapeutic device are as follows:
Operator holds handle 10 and dilatation and curettage head 20 is slowly protruded into intrauterine, and length scale 17 of being subject to controls dilatation and curettage head
20 protrude into the length of human body, and uterus inner wall is extruded on rubber cover 3, so that elastic fulcrum bar 2 is embedded in inside rubber cover 3 without quilt
Curved knife 43 switches to, and the tissue adhered on the inner wall of uterus is pressed into through-hole 5, starts aspirator 16, along feeding tube 14 to scraping
Palace 20 inner cavities of head generate suction, so that the tissue to be scraped in 5 outside of through-hole is inhaled into through-hole 5 on dilatation and curettage head 20；Then it opens
Actuating miniature motor 6 drives drive shaft 7 to rotate, and after reverse drive mechanism driving, drives driving countershaft 8 to carry out anti-with drive shaft 7
To rotation, to rotate at the center of corresponding turntable 41 by 42 whipping curved knife 43 of drawstring, the blade of curved knife 43 is pasted
Rubber cover 3 inner wall rotation, the internal film tissue in slewing area is scraped and is scaled off, endometrium will not be scraped, can be prevented
Pierce through or scratch endometrium；If the tissue to be doctored cut is thicker, curved knife 43 cannot be scraped smoothly and be cut, and thick tissue is to curved knife 43
Opposition can make corresponding drawstring 42 be bent, and such curved knife 43 can contact a little tissues less and successfully scrape cutout group
Knit, realize the process of layering cutting-up thick tissue, may advantageously facilitate scrape cut it is complete；
It scrapes the group cut to be woven under the suction of aspirator 16, enters feeding tube 14 from port 13, then along feeding
Hose 14 is transported in cutting tissue collecting's case 15, in order to take, because uterus inner wall is attached to 3 outer surface of rubber cover,
Through-hole 5 is blocked, so that 20 inner cavity of dilatation and curettage head is closed, intrauterine will not be entered by scraping the tissue cut, not will cause intrauterine foreign body
Residual is conducive to the health status for maintaining patient；
Then pumping rod 23 is pushed and pulled, rotary cutter 4 can be driven to move up and down in 20 inner cavity of dilatation and curettage head, can more completely be scraped
The tissue fallen into through-hole 5 is cut, and organizes successively to ensure that the tissue is complete by turning to the cutting of opposite rotary cutter 4
It is cut by scraping；It is rotated further by handle 10, dilatation and curettage head 20 is driven to rotate in intrauterine, it can be to the uterus inner wall of 20 place part of dilatation and curettage head
Dilatation and curettage operation is carried out, front and back drawing handle 10 can expand the range of 20 dilatation and curettage of dilatation and curettage head, because of every two adjacent groups rotary cutter 4
Steering cut on the contrary, tissue is made successively to pass through two scraping for opposite direction, may advantageously facilitate to tissue scrape cut it is complete
Property.
As shown in the above, the present invention scrapes that cut completeness preferable to tissue, and will not pierce through or scratch endometrium,
It not will cause intrauterine foreign body residual also, be conducive to the health status for maintaining patient.
Those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate the present invention,
And be not used as limitation of the invention, as long as the change in spirit of the invention, to embodiment described above
Change, modification will all be fallen in scope of the presently claimed invention.
Claims (10)
1. a kind of gynemetrics's dilatation and curettage therapeutic device, including handle (10) and it is connected to the dilatation and curettage head (20) of handle (10) head end,
It is characterized in that, the dilatation and curettage head (20) includes bottom plate (1), elastic fulcrum bar (2), rubber cover (3) and is located on the inside of rubber cover (3)
The rotary cutter (4) of at least two groups coaxial arrangement；
Handle (10) head end is connected in the middle part of the bottom plate (1), and bottom plate (1) is the round plate perpendicular to handle (10), institute
It states elastic fulcrum bar (2) and is equidistantly equipped at least four around bottom plate (1) border, elastic fulcrum bar (2) lower vertical is in bottom plate
(1) top of setting and all elastic strut (2) is the arc for assembling the evagination of connection to surface at bottom plate (1) center,
The rubber cover (3) is around bottom plate (1) upper surface periphery and fixation is attached to all elastic fulcrum bars (2) outer surface, described
Closed chamber is surrounded between rubber cover (3) inner wall and bottom plate (1), and the lower part of elastic fulcrum bar (2) is corresponded on the rubber cover (3)
Part throughout there is through-hole (5)；
The rotary cutter (4) includes being parallel to the turntable (41) of bottom plate (1) and equidistantly fixing extremely along turntable (41) side
A few drawstring (42), the other end of the drawstring (42) are fixed with the curved knife (43) that length is greater than through-hole (5) aperture, work as drawing
When rope (42) level is straightened, the inner wall of rubber cover (3) in the initial state is just pasted in the blade side of the curved knife (43), often
The spacing of two adjacent groups rotary cutter (4) is not less than the length of drawstring (42)；One group of rotary cutter close to the bottom plate (1)
(4) turntable (41) is fixedly set in the drive shaft (7) of connection micromotor (6), and the micromotor (6) is fixed on
On bottom plate (1), the drive shaft (7) is located on the length direction of handle (10), and the drive shaft (7) is towards its adjacent rotation
One end of cutter (4), which wears and can relatively rotate formula, is connected with driving countershaft (8), the adjacent rotary cutter of the drive shaft (7)
(4) turntable (41) is fixedly set in driving countershaft (8), and the connecting pin of the drive shaft (7) and driving countershaft (8) is set respectively
Have compatible flange circle item (9) and rotation annular groove (11), the rotation annular groove (11) in " 〦 " shape, the drive shaft (7) and
It drives and is equipped with reverse drive mechanism between countershaft (8), the reverse drive mechanism includes putting down set on one of drive shaft (7) side
Row is in bottom plate (1) and the fixed link (12) that is connected on an elastic fulcrum bar (2), the adjacent rotary cutter of the drive shaft (7)
(4) with its another adjacent rotary cutter (4) by identical connection drive mechanism connection, and so on series connection；
Penetration type is equipped with the port (13) sent outside for cutting tissue on the bottom plate (1), and port (13) connection extends outwardly
Feeding tube (14), feeding tube (14) other end connection cutting tissue collecting's case (15), the cutting tissue collecting
Feeding tube (14) side above case (15) is equipped with aspirator (16)；Length scale (17) are indicated on the handle (10).
2. a kind of gynemetrics's dilatation and curettage therapeutic device according to claim 1, which is characterized in that the elastic fulcrum bar (2) is
Plastic products or memory metal product.
3. a kind of gynemetrics's dilatation and curettage therapeutic device according to claim 1, which is characterized in that the elastic fulcrum bar (2)
Upper end is connected on the fixed block (18) right above at bottom plate (1) center.
4. a kind of gynemetrics's dilatation and curettage therapeutic device according to claim 1, which is characterized in that the feeding tube (14) sets
Extend in handle (10) and along handle (10) length direction.
5. a kind of gynemetrics's dilatation and curettage therapeutic device according to claim 1, which is characterized in that reverse drive mechanism packet
It includes to respectively correspond and is fixedly set in drive shaft (7) and drives the bevel gear one (19) and bevel gear two (21) on countershaft (8), it is described
Bevel gear one (19) and bevel gear two (21) are oppositely arranged, and the bevel gear one (19) and bevel gear two (21) side are equipped with simultaneously
The bevel gear three (22) engaged with bevel gear one (19) and bevel gear two (21), clearance-type set at bevel gear three (22) center
Set on fixed link (12) towards one end of drive shaft (7).
6. a kind of gynemetrics's dilatation and curettage therapeutic device according to claim 1, which is characterized in that direction on the turntable (41)
The side of reverse drive mechanism is fixed with the protection cylinder (30) for being centered around reverse drive mechanism periphery.
7. a kind of gynemetrics's dilatation and curettage therapeutic device according to claim 1, which is characterized in that on the inside of the rubber cover (3)
Equipped with two groups of rotary cuttves (4), micromotor (6) bottom is fixed with internal along handle (10) length direction in handle (10)
The pumping rod (23) of extension；The elastic fulcrum bar (2) for connecting the fixed link (12), which is equipped with, to be moved up and down for fixed link (12)
Sliding slot (24) is respectively fixed on the forward surface of the turntable (41) of rotary cutter described in two groups (4) and is contacted with fixed link (12) phase
The circular ring shape push plate (25) of side is answered, the reverse drive mechanism is located on the inside of circular ring shape push plate (25)；The feeding tube (14)
On the outside of handle (10).
8. a kind of gynemetrics's dilatation and curettage therapeutic device according to claim 7, which is characterized in that pumping rod (23) tail end
It is fixed with thumb lantern ring (26), handle (10) tail end is fixed with flange plate (27), backwards to thumb on the flange plate (27)
The side of lantern ring (26) is fixed with the finger ring (28) positioned at (10) two opposite sides of handle.
9. a kind of gynemetrics's dilatation and curettage therapeutic device according to claim 7, which is characterized in that direction on the turntable (41)
The side of reverse drive mechanism is fixed with the protection cylinder (30) for being centered around reverse drive mechanism periphery, the circular ring shape push plate (25)
It is fixedly set on protection cylinder (30).
10. a kind of gynemetrics's dilatation and curettage therapeutic device according to claim 7, which is characterized in that solid on the drive shaft (7)
Surely there are limit raised line (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811184569.2A CN109124744B (en) | 2018-10-11 | 2018-10-11 | Gynaecology and obstetrics's curettage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811184569.2A CN109124744B (en) | 2018-10-11 | 2018-10-11 | Gynaecology and obstetrics's curettage treatment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109124744A true CN109124744A (en) | 2019-01-04 |
| CN109124744B CN109124744B (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811184569.2A Expired - Fee Related CN109124744B (en) | 2018-10-11 | 2018-10-11 | Gynaecology and obstetrics's curettage treatment device |
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|---|---|---|---|---|
| EP1791472B1 (en) * | 2004-09-23 | 2009-01-21 | Pantarhei Bioscience B.V. | Sampler |
| CN201481458U (en) * | 2009-08-24 | 2010-05-26 | 成都峻峰科技开发有限公司 | Cell sampling tube |
| CN101836827A (en) * | 2010-01-26 | 2010-09-22 | 管云天 | Reciprocal rotary knife type material processor |
| CN202589612U (en) * | 2012-06-04 | 2012-12-12 | 田方兴 | Rotary cutting instrument |
| CN104490425A (en) * | 2015-01-19 | 2015-04-08 | 东北农业大学 | Suction and rotary scraping type endometrial epithelium cell gathering device for goat |
| CN207444971U (en) * | 2017-04-19 | 2018-06-05 | 田洪涛 | Cervical sampling device |
-
2018
- 2018-10-11 CN CN201811184569.2A patent/CN109124744B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1791472B1 (en) * | 2004-09-23 | 2009-01-21 | Pantarhei Bioscience B.V. | Sampler |
| CN201481458U (en) * | 2009-08-24 | 2010-05-26 | 成都峻峰科技开发有限公司 | Cell sampling tube |
| CN101836827A (en) * | 2010-01-26 | 2010-09-22 | 管云天 | Reciprocal rotary knife type material processor |
| CN202589612U (en) * | 2012-06-04 | 2012-12-12 | 田方兴 | Rotary cutting instrument |
| CN104490425A (en) * | 2015-01-19 | 2015-04-08 | 东北农业大学 | Suction and rotary scraping type endometrial epithelium cell gathering device for goat |
| CN207444971U (en) * | 2017-04-19 | 2018-06-05 | 田洪涛 | Cervical sampling device |
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| Publication number | Publication date |
|---|---|
| CN109124744B (en) | 2021-06-08 |
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Inventor after: Yu Ying Inventor after: Fu Lin Inventor after: Sun Xiujie Inventor before: Fu Lin Inventor before: Sun Xiujie |
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Effective date of registration: 20210518 Address after: Zibo maternal and child health hospital, No.66, North Tianjin Road, Zhangdian District, Zibo City, Shandong Province Applicant after: Yu Ying Address before: 252100 no.013, Lepingpu Town, Chiping County, Liaocheng City, Shandong Province Applicant before: Fu Lin |
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