CN105726105A - Uterine suction device - Google Patents
Uterine suction device Download PDFInfo
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- CN105726105A CN105726105A CN201610323063.XA CN201610323063A CN105726105A CN 105726105 A CN105726105 A CN 105726105A CN 201610323063 A CN201610323063 A CN 201610323063A CN 105726105 A CN105726105 A CN 105726105A
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- negative pressure
- cylinder
- key
- gripping shell
- suction
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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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- A61M1/0023—
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/71—Suction drainage systems
- A61M1/74—Suction control
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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
- A61B2017/00017—Electrical control of surgical instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00017—Electrical control of surgical instruments
- A61B2017/00115—Electrical control of surgical instruments with audible or visual output
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/14—Female reproductive, genital organs
- A61M2210/1433—Uterus
- A61M2210/145—Embryo, fetus
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Gynecology & Obstetrics (AREA)
- Medical Informatics (AREA)
- Anesthesiology (AREA)
- Pregnancy & Childbirth (AREA)
- Reproductive Health (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Vascular Medicine (AREA)
- Hematology (AREA)
- Molecular Biology (AREA)
- Prostheses (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention discloses a uterine suction device, which comprises a connection pipe, a holding housing, a barrel, a limiting base and a handle, wherein a sealing key and a release key are also arranged on the surface of the holding housing; and a piston, a piston connection post, a clamping plate and a pull rod bolt are sequentially arranged in the barrel. The uterine suction device has the technical advantages of wide application range, high uterine suction negative pressure accuracy, metric visualization of uterine suction negative pressure, accurately controlled and adjustable uterine suction negative pressure, stable and reliable negative pressure locking structure, relatively high safety and the like; the pull rod bolt can be bent; and double valve keys are matched with each other.
Description
Technical field
The present invention relates to technical field of medical instruments, especially relate to a kind of suction palace device.
Background technology
It is known that artificial abortion is the remedial measure after contraceptive failure, mainly include the technology such as traditional vacuum uterine aspiration and drug induced abortion art；
But, the vacuum extractor of the artificial abortion that current people use, it is common to for Electric negative pressure suction pump and traditional manual vacuum extractor；In actual application, the suction palace device that artificial abortion operation uses needs to connect suction catheter and extend into intrauterine, the tissue substance on direct contact shoe Endometrium, is realized embryonal tissue's sucking-off uterus by vacuum suction operation, reaches the purpose of termination of pregnancy.
But, traditional manual vacuum extractor therein (such as: number of patent application is a kind of needle tube type manual vacuum extractor of 200920158735.1) its be primarily present the technological deficiency of following several aspect:
The problem of first aspect: tradition its cylinder of vacuum extractor lacks negative pressure graduation mark, and its negative pressure accuracy is poor, is difficulty with accurate negative pressure absorbing and controls, vacuum magnitude when medical worker is often only by micro-judgment current operation；During concrete operations simultaneously, can only implement to inhale by peak suction, it is impossible to realize selection and the adjustment of different negative pressure every time.It will be apparent that owing to human embryo is organized in after 5-6 week grows up compared with after 8-10 week grows up, its embryonal tissue's size exists very big-difference, pipette is different, and required maximum suction negative pressure requirements is also entirely different；And in the different phase that vacuum uterine aspiration carries out, the requirement of negative pressure is also different, if all adopting tradition vacuum extractor, adapt ability is poor, the patient to different pregnancy cycles cannot be realized and implement specifically to inhale negative-pressure operation in the different phase performed the operation, so using tradition vacuum extractor often excessively to inhale cause endometrial impairment, or cause incomplete abortion.It addition, the maximum suction negative pressure of tradition negative pressure its cylinder of haustorium is about 375mmhg, it can be only applied to the patient of 5-7 week unexpected pregnancy, it is impossible to the patient adapting to 8-10 week unexpected pregnancy uses, because its maximum suction negative pressure still reaches to less than associated specifications.
The problem of second aspect；Tradition vacuum extractor have employed the spacing valve blocked in inclined-plane and designs (namely referring to a kind of needle tube type manual vacuum extractor structure that number of patent application is 200920158735.1, it is with switch key (i.e. valve mechanism) the traverse under shed of snap close, wear biography and be enclosed within upper shed, under shed is blocked by the bottom protrusion inclined-plane of switch key, implement to close), but this traditional valve valve design door locking stability and reliability are poor, easily come off, cause valve to negative pressure locking shakiness；Simultaneously, medical worker is easy to accidentally encounter valve and causes inclined-plane card incessantly, now valve resilience, moment is become malleation by negative pressure, the hydrops just absorbed will quickly be returned intrauterine together with air, blood vessel in endometrium, endometrium etc. are damaged, and serious conditions will cause air embolism, jeopardizes patient vitals's safety.So tradition vacuum extractor, its negative pressure Locked valve poor reliability, cause vacuum extractor safety issue.
The problem of the 3rd aspect: its internal pull bar bolt of tradition vacuum extractor, when carrying out vacuum suction embryonal tissue, pull bar bolt will be drawn out certain distance, and medical worker is easy to touch pull bar bolt when operation, causes pollution；Multidigit doctor also reflects that tradition vacuum extractor its pull bar bolt length when operation is long, both it was awkward, easily make again the part touching clothes such as pull bar bolt, handle cause having bacterium to pollute, therefore how to design apparatus total length during minimizing operation, will be a crucial technical barrier.
The problem of the 4th aspect: above-mentioned tradition vacuum extractor its adopt single valve structural design and after pressing before the mode of operation that pushes away or retreat, doctor not only not easily switchs, and also easily encounters valve in operation mistiming, causes negative pressure catastrophic failure, cause accident.
Therefore, the above-mentioned technological deficiency how overcoming tradition haustorium is those skilled in the art's problem demanding prompt solutions.
Summary of the invention
The present invention provides a kind of and inhales palace device, in order to solve above-mentioned technical problem.
The present invention solves that the problems referred to above be the technical scheme is that
The invention provides a kind of suction palace device, include connecting tube successively from head end to end, grip shell, cylinder and spacing base and handle；
Wherein, described gripping case surface is additionally provided with closing key and release key；Described closing key forms negative pressure cavity for cylinder and implements latch enclosure action；Described release key is for releasing the latch enclosure action of described closing key；
Piston, piston joint pin, clamp, pull bar bolt also it is disposed with in described cylinder；The top of described piston joint pin is fixing with described piston to be connected, and the bottom of described piston joint pin is fixedly connected with described clamp；And the top of described pull bar bolt is connected with the bottom rotational pin of described piston joint pin by bearing pin, the bottom of described pull bar bolt is fixed with described handle and is connected；Described spacing base sheath is connected on the bottom outside of described cylinder, and offers strip gab on described spacing base；Described spacing base states clamp in limiting card residence after the clamp on described pull bar bolt is pulled to and passes the strip gab of described spacing base；
Being additionally provided with a plurality of negative pressure graduation mark and a plurality of containing mark line on the surface of described cylinder, a plurality of described negative pressure graduation mark originates in cylinder bottom and is distributed in described drum surface as cylinder top uniform intervals；A plurality of containing mark line originates in cylinder top and is arranged on described drum surface as the distribution of cylinder bottom uniform intervals；
The minimum scale unit of described negative pressure graduation mark is 10mmhg；The initial value of described negative pressure graduation mark is 0mmhg, and maximum magnitude is 500mmhg；The minimum scale unit of described containing mark line is 1cc；The initial value of described containing mark line is 0cc, and maximum magnitude is 70cc；
Preferably, as a kind of embodiment, the nose-circle perisporium of described connecting tube is additionally provided with position-arresting groove；Described position-arresting groove is used for the spacing suction catheter that blocks, and described position-arresting groove is additionally operable to suction catheter described in labelling and is inserted in the relative position of described connecting tube.
Preferably, as a kind of embodiment, described gripping shell specifically includes left gripping shell and right gripping shell；Left gripping shell and right gripping shell mutually removably connect and constitute the gripping shell closed；The outer surface of described gripping shell is additionally provided with anti-skidding dimpled grain；Described anti-skidding dimpled grain is respectively arranged with on the outer surface of left gripping shell and on the outer surface of right gripping shell.
Preferably, as a kind of embodiment, the top of described gripping shell is additionally provided with the groove for installing described closing key and release key.
Preferably, as a kind of embodiment, described closing key specifically includes oval ceiling plate portion, connecting rod portion and card tongue；The bottom of the oval ceiling plate portion of described closing key is provided with described connecting rod portion, and is provided with described card tongue in described connecting rod portion；
Described release key specifically includes circular cover portion and extension bar portion and draw-in groove portion；The bottom in the circular cover portion of described release key arranges and is connected to extension bar portion, and is provided with draw-in groove portion in extension bar portion；Card tongue in the connecting rod portion of described closing key is clasped with the draw-in groove portion in the extension bar portion of described release key.
Preferably, as a kind of embodiment, the area of the oval ceiling plate portion of described closing key is more than the area in the circular cover portion of described release key.
Preferably, as a kind of embodiment, the oval ceiling plate portion of described closing key and the circular cover portion of described release key are always positioned in the groove of described gripping shell, and the end face in the circular cover portion of the end face of the oval ceiling plate portion of described closing key and described release key is consistently lower than the end face of described gripping shell.
Preferably, as a kind of embodiment, the bottom of described cylinder is additionally provided with the cylinder baffle plate of ellipse；Described spacing base sheath is connected on fixing on the oval cylinder baffle plate on described cylinder connection.
Preferably, as a kind of embodiment, the middle part of described handle has been opened in trepanning；And the trepanning inwall place of described handle is provided with one layer of skid resistant course.
Preferably, as a kind of embodiment, described skid resistant course is layer of silica gel.
Preferably, as a kind of embodiment, described gripping shell is specially PC engineering moulding or ABS engineering moulding.
Compared with prior art, this have the advantage that:
A kind of suction palace provided by the invention device, is mainly made up of connecting tube, gripping shell, cylinder and several big structure divisions such as spacing base and handle；Simultaneously in concrete structure, described gripping case surface is additionally provided with closing key and release key；Meanwhile, piston, piston joint pin, clamp, pull bar bolt etc. also it are disposed with in described cylinder；
The correlation technique defect of tradition vacuum extractor is overcome by the haustorium of the structural design of above-mentioned innovation；Meanwhile, the haustorium that the embodiment of the present invention provides have that the scope of being suitable for is wide, it is high to inhale negative pressure accuracy, inhale negative pressure visualization tolerance, inhale negative pressure and accurately control and adjustable, negative pressure latch-up structure is reliable and stable, safety is higher, the many technical advantages of bent pull bar bolt and double valve button cooperation etc..
Accompanying drawing explanation
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, the accompanying drawing used required in detailed description of the invention or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The solid assembling structural representation inhaling palace device and suction catheter that Fig. 1 provides for the embodiment of the present invention；
The haustorium that Fig. 2 provides for the embodiment of the present invention and suction catheter detonation configuration schematic diagram；
Confined explosion's structural representation of the haustorium that Fig. 3 provides for the embodiment of the present invention and suction catheter；
One confined explosion's structural representation of the haustorium that Fig. 4 provides for the embodiment of the present invention；
Another confined explosion's structural representation of the haustorium that Fig. 5 provides for the embodiment of the present invention；
The part drawing of the connecting tube in the haustorium that Fig. 6 provides for the embodiment of the present invention；
The part drawing gripping shell in the haustorium that Fig. 7 provides for the embodiment of the present invention；
The part drawing closing key in the haustorium that Fig. 8 provides for the embodiment of the present invention；
The part drawing of the release key in the haustorium that Fig. 9 provides for the embodiment of the present invention；
The part drawing of the cylinder in the haustorium that Figure 10 provides for the embodiment of the present invention；
Piston in the haustorium that Figure 11 provides for the embodiment of the present invention, piston joint pin, clamp installation diagram；
The part drawing of the pull bar bolt in the haustorium that Figure 12 provides for the embodiment of the present invention；
The part drawing of the spacing base in the haustorium that Figure 13 provides for the embodiment of the present invention；
The part drawing of the handle in the haustorium that Figure 14 provides for the embodiment of the present invention；
The skid resistant course of the handle in the haustorium that Figure 15 provides for the embodiment of the present invention；
A kind of perspective structure schematic diagram using state in the haustorium that Figure 16 provides for the embodiment of the present invention；
Another kind in the haustorium that Figure 17 provides for the embodiment of the present invention uses the perspective structure schematic diagram of state；
Accompanying drawing labelling:
Connecting tube 1；
Grip shell 2；Left gripping shell 21；Right gripping shell 22；Anti-skidding dimpled grain 23；Groove 24；
Cylinder 3；Negative pressure graduation mark 31；Containing mark line 32；Cylinder baffle plate 33；
Spacing base 4；Strip gab 41；
Handle 5；Trepanning 51；Skid resistant course 52；
Close key 6；Oval ceiling plate portion 61；Connecting rod portion 62；Card tongue 63；
Release key 7；Circular cover portion 71；Extension bar portion 72；
Piston 8；
Piston joint pin 9；
Clamp 10；
Pull bar bolt 11；
Position-arresting groove 12；
Suction catheter A.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme is clearly and completely described, it is clear that described embodiment is a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
In describing the invention, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship; be for only for ease of the description present invention and simplifying and describe; rather than instruction or imply indication device or element must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.Additionally, term " first ", " second ", " the 3rd " are only for descriptive purposes, and it is not intended that indicate or hint relative importance.
In describing the invention, it is necessary to explanation, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or connect integratedly；Can be mechanically connected, it is also possible to be electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be the connection of two element internals.For the ordinary skill in the art, it is possible to concrete condition understands above-mentioned term concrete meaning in the present invention.
Below by specific embodiment son and in conjunction with accompanying drawing, the present invention is described in further detail.
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the one that the embodiment of the present invention provides inhales palace device, includes connecting tube 1 successively from head end to end, grips shell 2, cylinder 3 and spacing base 4 and handle 5；
Wherein, described gripping shell 2 surface is additionally provided with closing key 6 and release key 7；Described closing key 6 implements latch enclosure action for the negative pressure cavity (namely for attracting the cavity of the thing such as liquid, tissue in cylinder) that cylinder is formed；Described release key 7 is for releasing the latch enclosure action of described closing key 6；
Piston 8, piston joint pin 9, clamp 10 (see also Figure 11), pull bar bolt 11 (see also Figure 12) also it is disposed with in described cylinder 3；Wherein, the top of described piston joint pin 9 is fixing with described piston 8 to be connected, and the bottom of described piston joint pin 9 is fixedly connected with described clamp 10；And the top of described pull bar bolt 11 is connected with the bottom rotational pin of described piston joint pin 9 by bearing pin (not shown), the bottom of described pull bar bolt 11 is fixed with described handle 5 and is connected；Described spacing base 4 is socketed in the bottom outside of described cylinder 3, and offers strip gab 41 on described spacing base 4；Clamp 10 is stated in strip gab 41 (see also Figure 13) the limiting card residence afterwards that described spacing base 4 is pulled to and passes for the clamp 10 on described pull bar bolt 11 on described spacing base；
Being additionally provided with a plurality of negative pressure graduation mark 31 and a plurality of containing mark line 32 (see also Figure 10) on the surface of described cylinder 3, a plurality of described negative pressure graduation mark originates in cylinder bottom and is distributed in described drum surface as cylinder top uniform intervals；A plurality of containing mark line originates in cylinder top and is arranged on described drum surface as the distribution of cylinder bottom uniform intervals；
The minimum scale unit of described negative pressure graduation mark is 10mmhg；The initial value of described negative pressure graduation mark is 0mmhg, and maximum magnitude is 500mmhg；The minimum scale unit of described containing mark line is 1cc；The initial value of described containing mark line is 0cc, and maximum magnitude is 70cc；It should be noted that there is certain relation in above-mentioned maximum volume and peak suction；But the maximum magnitude that on the surface of the cylinder in the embodiment of the present invention, containing mark line is corresponding differs, to establish a capital be 70cc, it is also possible to other numerical value；The heap(ed) capacity that the peak suction of 500mmhg is corresponding is relevant with factors such as the overall sealing performances of its haustorium, and this can be not specifically limited.
In the primary structural configurations of the haustorium of embodiment of the present invention offer: this suction palace device, mainly it is made up of connecting tube 1, gripping shell 2, cylinder 3 and several big structure divisions such as spacing base 4 and handle 5；Simultaneously in concrete structure, described gripping shell 2 surface is additionally provided with closing key 6 and release key 7；Meanwhile, piston 8, piston joint pin 9, clamp 10, pull bar bolt 11 etc. also it are disposed with in described cylinder 3；
Analyze the position relationship between primary structure and the concrete structure of above-mentioned haustorium, connected mode and topology layout known:
Wherein, the negative pressure cavity that described closing key is formed for cylinder implements latch enclosure action；Described release key is for releasing the latch enclosure action of described closing key；It will be apparent that this haustorium have employed the control of double valve, its controllability is higher；
Wherein, piston, piston joint pin, clamp, pull bar bolt also it are disposed with in described cylinder；The top of described piston joint pin is fixing with described piston to be connected, and the bottom of described piston joint pin is fixedly connected with described clamp；And the top of described pull bar bolt is connected with the bottom rotational pin of described piston joint pin by bearing pin, the bottom of described pull bar bolt is fixed with described handle and is connected；Described spacing base sheath is connected on the bottom outside of described cylinder, and offers strip gab on described spacing base；Clamp (namely implementing spin locking negative pressure state) is stated in described spacing base limiting card residence after the clamp on described pull bar bolt is pulled to and passes the strip gab of described spacing base；
The surface of described cylinder is additionally provided with a plurality of negative pressure graduation mark and a plurality of containing mark line；The minimum scale unit of described negative pressure graduation mark is 10mmhg (namely the abbreviation of millimeter of mercury, is also called millimetres of mercury, is the millimeter of the direct mercury pressure unit that represents pressure, force value)；The initial value of described negative pressure graduation mark is 0mmhg, and maximum magnitude is 500mmhg；The minimum scale unit of described containing mark line is 1cc；The initial value of described containing mark line is 0cc, and maximum magnitude is 70cc；
When concrete operations, medical worker can arbitrarily select the initial position of piston according to negative pressure graduation mark, then closing key is pressed enforcement and closes；After now pulling pull bar bolt to form negative pressure again, carry out the attraction of human embryo's tissue, press release key again after finally taking out and human embryo's tissue etc. is discharged；Cylinder is provided with negative pressure graduation mark and containing mark line simultaneously；So, the size of suction negative pressure just can have selected as required, and suction palace amount can also carry out direct vision and (namely achieve negative pressure accuracy to control, achieve visualization and value quantization that negative pressure is inhaled；This negative pressure graduation mark and containing mark line are implemented to inhale control for doctor and are had important parameter reference meaning, which obviate tradition haustorium and experience can only be relied on merely to control to inhale the technological deficiency of negative pressure)；
Meanwhile, when the concrete operations inhaled, medical worker can select inhaling negative pressure, and tradition haustorium can only rule of thumb be controlled being currently needed for pipette；But haustorium provided by the invention can select the position of initial piston (such as: first do not press closing key, first select a certain graduation position of correspondence on graduation mark, now press closing key again and implement negative pressure cavity closing), then pull bar bolt is pulled to the maximum suction negative pressure that can implement this graduation position corresponding position after spacing base blocks, and this measure achieves the quantization of suction and accurately controls.Its maximum relatively conventional haustorium of suction negative pressure of haustorium provided by the invention is obviously improved simultaneously, and so it is adapted to the suction operation of more patient.
Simultaneously as haustorium has piston, piston joint pin, clamp, pull bar bolt and has the spacing understructure coordinated with clamp, so its lock-out state inhaling negative pressure is more safe and reliable；nullNamely when the concrete operations inhaled，After closing key lock is sealed the cavity gripping shell and cylinder formation，Pull back pull bar bolt with regard to after naturally forming negative pressure，Now human embryo's tissue is attracted to come by front end suction catheter，Subsequently pull bar is tied band clamp、Piston joint pin、Piston continues to pull back，Until the strip gab of the clamp spacing base of traverse，Pull bar bolt can be rotated to an angle (being preferably 90 degree) and block by medical worker subsequently，Now clamp can be stuck on spacing base that (namely stagger and can block in clamp direction and strip gab direction sidewards，Preferably block better effects if in 90 degree of angles)，And then implement locking (the i.e. mode of operation as shown in Figure 16 (i.e. nature barotropic state) and Figure 17 (i.e. negative pressure lock-out state) inhaling negative pressure，Achieve clamp be stuck on spacing base implement inhale negative pressure locking，Pull bar bolt bending simultaneously is packed up and is saved working place)；It will be apparent that the locking of this suction negative pressure relies solely on inclined-plane limitation locking relative to tradition haustorium inhales negative pressure state relatively, its reliability is obviously improved；So adopting its safety of haustorium of this structure, reliability higher.Avoid tradition haustorium negative pressure Locked valve poor reliability, it is easy to the problem causing the malpracticees such as air embolism.
Meanwhile, when the concrete operations inhaled, owing to the top of pull bar bolt is connected with the bottom rotational pin of piston joint pin by bearing pin；So when clamp is snapped into after on spacing base by medical worker, it is possible to use the bearing pin between pull bar bolt and piston joint pin, pull bar bolt is rotated to a lateral buckling, thus avoiding the problem (as shown in figure 17) of the long impact operation of pull bar bolt.Which obviate long when operation of traditional instruments, be both awkward, and easily made again the part-structure touching clothes problem that causes having bacterium to pollute.Therefore when haustorium provided by the invention reduces operation by designing, the mode of apparatus total length achieves the above-mentioned technical purpose be easy to suction operation and avoid germ contamination.
To sum up, the haustorium that the embodiment of the present invention provides have that the scope of being suitable for is wide, it is high to inhale negative pressure accuracy, inhale negative pressure visualization tolerance, inhale negative pressure and accurately control and adjustable, negative pressure latch-up structure is reliable and stable, safety is higher, the many technical advantages of bent pull bar bolt and double valve button cooperation etc..
The haustorium that the invention described above embodiment provides, through scientific research personnel's research design for many years, through tens of improvement design, also passes through repeatedly with reference to mould process designing requirement simultaneously, have devised the haustorium with above-mentioned many technical characterstics；Above-mentioned haustorium also have passed through tens of tests at clinicing aspect simultaneously, obtains concern and the accreditation of onsite user and industry personage, and therefore it will be widely used.
It should be noted that the minimum scale unit of this negative pressure graduation mark is 10mmhg；The original position of this negative pressure graduation mark is 0mmhg, and the maximum magnitude of this negative pressure graduation mark is 500mmhg.The minimum scale unit of described containing mark line is 1cc；The original position of this containing mark line is 0cc, and the maximum magnitude of described containing mark line is 70cc；Wherein, cc (metric system volume unit)=cubiccentimeter cubic centimetre；The i.e. volume of the lower 1 gram of water of 0 degree of normal atmosphere Celsius, 1cc=1ml.
It will be apparent that the peak suction of cylinder is 500mmhg, its peak suction has substantially met clinical criteria and has implemented the peak suction requirement of negative pressure suction operation；Haustorium provided by the invention, its suction scope obtains obvious expansion, its patient being possible not only to meet 5-7 week unexpected pregnancy uses, its patient that may also adapt to 8-10 week unexpected pregnancy uses simultaneously, which overcome tradition haustorium maximum suction negative pressure limited, do not reach the technological deficiency of associated specifications.
It should be added that, after barrel designs size adjusting completes, accurately indicate actual volume scale may not be from 0 sign (counting the coupling part volume that sight line be can't see in)；Pressure unit's millimetres of mercury wants measured rear accurately sign；Two unit symbols indicate and are changed to initiating terminal from scale tail end, in order to more can be visually seen unit symbol.
Below the concrete structure of the haustorium that the embodiment of the present invention provides and concrete technique effect are done and describe in detail:
About tube structure:
(see also Figure 10) as shown in Figure 4 and Figure 5, in described cylinder 3, be mainly provided with the structures such as piston 8, piston joint pin 9, clamp 10, pull bar bolt 11；The bottom of cylinder 3 is also socketed with a spacing base 4 simultaneously；After described spacing base 4 is pulled to and pass the strip gab 41 of described spacing base 4 for the clamp 10 on described pull bar bolt 11, clamp 10 (i.e. enforcement spin locking negative pressure state) is stated in limiting card residence.
About connecting tube；
(see also Fig. 6) as shown in Figure 4 and Figure 5, the nose-circle perisporium of described connecting tube 1 is additionally provided with position-arresting groove 12；Described position-arresting groove 12 is for the spacing suction catheter A that blocks, and described position-arresting groove 12 is additionally operable to suction catheter A described in labelling and is inserted in the relative position of described connecting tube 1.
It should be noted that, suction catheter is usually set and receives the head of connecting tube, require that suction catheter needs more firm with the connection of connecting tube: tradition suction catheter is connected with the head (before namely mouth) of connecting tube by its interior silica gel or rubber components at present, but firm not with being connected of connecting tube herein by tradition suction catheter.
It will be apparent that in haustorium structure provided by the invention, the front end of this haustorium connecting tube is provided with position-arresting groove, the inclined-plane of this position-arresting groove and rear portion projection can effectively increase the contact area of suction catheter and can realize spacing.The head connecting tube inhaling palace device can be implemented spacing with suction catheter junction by position-arresting groove, thus can avoid suction catheter connecting length long (namely long be not easy to suction catheter implement pull-out dismounting, dismounting difficulty can be caused) or too short (namely the too short suction catheter that easily causes comes off): it is deeper that tradition suction catheter is inserted in the degree of depth inhaling palace device, inconvenience operative process takes out suction catheter, length can be reduced and be about 0.5cm, to guarantee both to consolidate connection, convenient taking-up again.After suction catheter is inserted in the head of connecting tube by medical worker, medical worker can substantially perceive this stopper slot, can reach the latched position of standard after perception, can realize suction catheter and be inserted in the suitable installation site of connecting tube.
About gripping shell；
(see also Fig. 7) as shown in Figure 4 and Figure 5, described gripping shell 2 specifically includes left gripping shell 21 and right gripping shell 22；Left gripping shell 21 and right gripping shell 22 mutually removably connect and constitute the gripping shell 2 closed；The outer surface of described gripping shell 2 is additionally provided with anti-skidding dimpled grain 23；Described anti-skidding dimpled grain is respectively arranged with on the outer surface of left gripping shell and on the outer surface of right gripping shell.
The top of described gripping shell 2 is additionally provided with the groove 24 for installing described closing key 6 and described release key 7.
It should be noted that described gripping shell specifically includes left gripping shell and right gripping shell；Left gripping shell and right gripping shell mutually removably connect and constitute the gripping shell closed；Meanwhile, described anti-skidding dimpled grain is respectively arranged with on the outer surface of left gripping shell and on the outer surface of right gripping shell.Tradition haustorium is when operation, owing to doctor with glove and often speckles with liquid, it is easy to landing time hand-held, and the impact manipulation to haustorium；It is obvious that haustorium provided by the invention, arranging of its anti-skidding dimpled grain can effectively increase the rubbing action gripping housing, makes medical worker better grasp gripping housing, and then better holds haustorium.
Meanwhile, the end face of described gripping shell being provided with groove, this groove is easy to closing key and release key are hidden.
Described gripping shell 2 is specially PC engineering moulding or ABS engineering moulding.
It should be noted that, engineering plastics include Merlon (Polycarbonate, PC), polyamide (nylon, Polyamide, PA), polyformaldehyde (Polyacetal, PolyoxyMethylene, POM), degeneration polyphenylene oxide (PolyPhenyleneOxide, degeneration PPE), polyester (PETP, PBTP), polyphenylene sulfide (PolyphenyleneSulfide, PPS), poly-aryl ester etc..Hot strength is all more than 50MPa, and resistance to impact is more than 50J/m2, and the modulus of elasticity in static bending is at 24000kg/cm2, and load deflection temperature is more than 100 DEG C, and its hardness, anti-impact force, ageing resistance are excellent.Wherein, it is PC moulding, ABS moulding, PPS moulding or PEEK moulding as the gripping shell of the haustorium of the embodiment of the present invention or even the most preferred scheme of cylinder.The high intensity feature that above-mentioned engineering moulding all highlights, also has the features such as resistance to compression, impact resistance irradiation strong, resistance to, stable, the hydrolysis of insulating properties simultaneously.
About closing the concrete structure of key and release key and concrete interaction relation:
(see also Fig. 8) as shown in Figure 4 and Figure 5, described closing key 6 specifically includes oval ceiling plate portion 61, connecting rod portion 62 and card tongue 63；The bottom of the oval ceiling plate portion 61 on described closing key 6 is provided with described connecting rod portion 62, and is provided with described card tongue 63 in described connecting rod portion 62；
(see also Fig. 9) as shown in Figure 4 and Figure 5, described release key 7 specifically includes circular cover portion 71 and extension bar portion 72 and draw-in groove portion (not shown)；The bottom in the circular cover portion 71 on described release key 7 arranges and is connected to extension bar portion 72, and is provided with draw-in groove portion in extension bar portion 72；
Most importantly, the card tongue 63 in the connecting rod portion of described closing key 6 is clasped with the draw-in groove portion in the extension bar portion 72 of described release key 7.
It should be noted that, there is mechanical linkage relation cleverly in described closing key and described release key, after its closing key is pressed, it can directly close gripping shell, and then ensure to grip the cavity formation confined space that shell connects with cylinder, so now after medical worker pulls out pull bar bolt, negative pressure just can be formed；Now, if pressing release key, now release key triggers and closes key, causes closing key resilience to be jumped out, and then is destroyed by confined space, and now negative pressure space becomes malleation space, just can realize the recovery of normal pressure；
Preferably, as a kind of embodiment, the area of the oval ceiling plate portion 61 of described closing key 6 is more than the area in the circular cover portion 71 of described release key 7.
It should be noted that the size design in the circular cover portion of the oval ceiling plate portion size of above-mentioned closing key and release key should be proper；In concrete structure, the oval ceiling plate portion size closing key can design more relatively large, but the size in the circular cover portion of above-mentioned release key can design more relatively small, so avoids the probability that release key is misused.
Preferably, as a kind of embodiment, the oval ceiling plate portion 61 of described closing key 6 and the circular cover portion 71 of described release key 7 are always positioned in the groove 24 of described gripping shell 2, and the end face in the circular cover portion of the end face of the oval ceiling plate portion of described closing key and described release key is consistently lower than the end face of described gripping shell.
It should be noted that be provided with groove on the end face of described gripping shell, this groove is easy to closing key and release key are hidden.Meanwhile, the end face in the end face of the oval ceiling plate portion of described closing key and the circular cover portion of described release key should be consistently lower than the end face of described gripping shell, so just can accomplish to close hiding of key and release key；So just can reduce closing key and release key is misused (namely being encountered button) by mistake；Valve button effectively can be implemented effectively protection by arranging of this groove.
Relation about spacing base Yu cylinder；
See also Figure 10, the bottom of described cylinder 3 is additionally provided with the cylinder baffle plate 33 of ellipse；Described spacing base 4 is socketed in fixing on the oval cylinder baffle plate 33 on described cylinder 3 connection.
Structure about handle:
(see also Figure 14 and Figure 15) as shown in Figure 4 and Figure 5, the middle part of described handle 5 has been opened in trepanning 51；And the trepanning inwall place of described handle is provided with one layer of skid resistant course 52.Described skid resistant course is layer of silica gel.
It should be noted that, this handle is provided with the trepanning (namely the middle part of described handle is opened in and is easy to the trepanning that finger is inserted in) being easy to medical worker's operation, this trepanning is easy to medical worker and is stretched into finger, so can implement better to manipulate control to handle；
Meanwhile, the setting of above-mentioned layer of silica gel also add effective contact of handle, it is simple to handle is realized controlling by the better of medical worker；The size design of trepanning is moderate simultaneously, it is preferred to can hold 3 fingers of most females fingers, so not only ensure that the controllable property of handle, also reduce the dead volume of handle simultaneously as far as possible.
It will be apparent that the haustorium that the embodiment of the present invention provides mainly has the technical advantage of following aspect:
1, the haustorium that the embodiment of the present invention provides has the scope of being suitable for wide (namely meeting suction negative pressure and the pipette demand of different times patient), suction negative pressure accuracy is high, inhale negative pressure visualization tolerance, suction negative pressure accurately controls and adjustable；The haustorium that the embodiment of the present invention provides its can be obviously improved negative pressure and inhale the performance accuracy of palace operation, operation effectiveness and processing safety, it can need to select to carry out appropriate suction negative pressure according to patient's pipette, ensure that negative pressure inhales the safety of operation by visualization tolerance simultaneously.
2, the haustorium that the embodiment of the present invention provides has the technical advantage that negative pressure latch-up structure is reliable and stable, safety is higher, it, after formation closing chamber is pressed in closing key (i.e. closing valve), pulls out pull bar bolt and is rotationally locked on spacing base by its clamp；Now, haustorium is in maximum suction negative pressure state, is now the negative pressure state locking implemented by clamp and spacing base, and this latch-up structure is substantially without destroyed；Unless medical worker has a mind to realize the releasing of negative pressure by bouncing back in clamp rotation meeting strip gab；So the haustorium that the embodiment of the present invention provides, negative pressure latch-up structure is reliable, security performance better (avoiding the problems such as air embolism).
3, the haustorium double valve button that the embodiment of the present invention provides coordinates, and its security reliability also promotes to some extent equally；The easy resilience of traditional structure valve, in turn results in negative pressure and lost efficacy；But, the haustorium that the embodiment of the present invention provides closes key and release key design relatively reliable (adopt simultaneously and hide the design embedding groove), and it greatly reduces the possibility of maloperation).
4, the haustorium that the embodiment of the present invention provides has the structure of bent pull bar bolt, it facilitates the operation of medical worker, decrease the probability (namely avoiding its antibacterial being subject in environment, pathogenic bacteria etc. to pollute, it is ensured that negative pressure inhales the medical and health conditions of operation) that apparatus contamination occurs.
5, the haustorium that the embodiment of the present invention provides, it also has simultaneously and grips shell mechanism and handle design and be easy to manipulation and grip strong etc. the many technical advantages of the stability of shell；This haustorium is very easy to use, and the design of its structure function is improved and reasonable.
6, the haustorium that the embodiment of the present invention provides, it considerably reduces the risk of operation, and its application ensure that negative pressure inhales the reliability of operation, improves the safety of operation, it is to avoid cause Artificial-abortion syndrome and cause the incidence rate of other complication；After ensure that suction catheter arrives purpose site of action smoothly, it is smoothed out negative pressure and inhales operation, whole work process devoid of risk, stablize smoothly.
In sum, the haustorium that the embodiment of the present invention provides, there is all many-sided technical advantages, therefore it will bring good social benefit, market prospect and economic benefit.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit；Although the present invention being described in detail with reference to foregoing embodiments, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein some or all of technical characteristic is carried out equivalent replacement；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. inhale palace device for one kind, it is characterised in that include connecting tube successively from head end to end, grip shell, cylinder and spacing base and handle；
Wherein, described gripping case surface is additionally provided with closing key and release key；The negative pressure cavity that described closing key is formed for cylinder implements latch enclosure action；Described release key is for releasing the latch enclosure action of described closing key；
Piston, piston joint pin, clamp, pull bar bolt also it is disposed with in described cylinder；The top of described piston joint pin is fixing with described piston to be connected, and the bottom of described piston joint pin is fixedly connected with described clamp；And the top of described pull bar bolt is connected with the bottom rotational pin of described piston joint pin by bearing pin, the bottom of described pull bar bolt is fixed with described handle and is connected；Described spacing base sheath is connected on the bottom outside of described cylinder, and offers strip gab on described spacing base；Described spacing base states clamp in limiting card residence after the clamp on described pull bar bolt is pulled to and passes the strip gab of described spacing base；
Being additionally provided with a plurality of negative pressure graduation mark and a plurality of containing mark line on the surface of described cylinder, a plurality of described negative pressure graduation mark originates in cylinder bottom and is distributed in described drum surface as cylinder top uniform intervals；A plurality of containing mark line originates in cylinder top and is arranged on described drum surface as the distribution of cylinder bottom uniform intervals；
The minimum scale unit of described negative pressure graduation mark is 10mmhg；The initial value of described negative pressure graduation mark is 0mmhg, and maximum magnitude is 500mmhg；The minimum scale unit of described containing mark line is 1cc；The initial value of described containing mark line is 0cc, and maximum magnitude is 70cc.
2. suction palace according to claim 1 device, it is characterised in that
The nose-circle perisporium of described connecting tube is additionally provided with position-arresting groove；Described position-arresting groove is used for the spacing suction catheter that blocks, and described position-arresting groove is additionally operable to suction catheter described in labelling and is inserted in the relative position of described connecting tube.
3. suction palace according to claim 2 device, it is characterised in that
Described gripping shell specifically includes left gripping shell and right gripping shell；Left gripping shell and right gripping shell mutually removably connect and constitute the gripping shell closed；The outer surface of described gripping shell is additionally provided with anti-skidding dimpled grain；Described anti-skidding dimpled grain is respectively arranged with on the outer surface of left gripping shell and on the outer surface of right gripping shell.
4. suction palace according to claim 3 device, it is characterised in that
The top of described gripping shell is additionally provided with the groove for installing described closing key and release key.
5. suction palace according to claim 4 device, it is characterised in that
Described closing key specifically includes oval ceiling plate portion, connecting rod portion and card tongue；The bottom of the oval ceiling plate portion of described closing key is provided with described connecting rod portion, and is provided with described card tongue in described connecting rod portion；
Described release key specifically includes circular cover portion and extension bar portion and draw-in groove portion；The bottom in the circular cover portion of described release key arranges and is connected to extension bar portion, and is provided with draw-in groove portion in extension bar portion；Card tongue in the connecting rod portion of described closing key is clasped with the draw-in groove portion in the extension bar portion of described release key.
6. suction palace according to claim 5 device, it is characterised in that
The area of the oval ceiling plate portion of described closing key is more than the area in the circular cover portion of described release key.
7. suction palace according to claim 6 device, it is characterised in that
The oval ceiling plate portion of described closing key and the circular cover portion of described release key are always positioned in the groove of described gripping shell, and the end face in the circular cover portion of the end face of the oval ceiling plate portion of described closing key and described release key is consistently lower than the end face of described gripping shell.
8. suction palace according to claim 7 device, it is characterised in that
The bottom of described cylinder is additionally provided with the cylinder baffle plate of ellipse；Described spacing base sheath is connected on fixing on the oval cylinder baffle plate on described cylinder connection.
9. suction palace according to claim 8 device, it is characterised in that
The middle part of described handle has been opened in trepanning；And the trepanning inwall place of described handle is provided with one layer of skid resistant course；Described skid resistant course is layer of silica gel.
10. suction palace according to claim 1 device, it is characterised in that
Described gripping shell is specially PC engineering moulding or ABS engineering moulding.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810408238.6A CN108309414B (en) | 2016-05-16 | 2016-05-16 | Uterine suction device |
| CN201810408631.5A CN108309415B (en) | 2016-05-16 | 2016-05-16 | Uterus suction device and uterus suction method |
| CN201810408185.8A CN108542479B (en) | 2016-05-16 | 2016-05-16 | Uterine suction device |
| CN201610323063.XA CN105726105B (en) | 2016-05-16 | 2016-05-16 | A kind of suction palace device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610323063.XA CN105726105B (en) | 2016-05-16 | 2016-05-16 | A kind of suction palace device |
Related Child Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810408185.8A Division CN108542479B (en) | 2016-05-16 | 2016-05-16 | Uterine suction device |
| CN201810408631.5A Division CN108309415B (en) | 2016-05-16 | 2016-05-16 | Uterus suction device and uterus suction method |
| CN201810408238.6A Division CN108309414B (en) | 2016-05-16 | 2016-05-16 | Uterine suction device |
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| Publication Number | Publication Date |
|---|---|
| CN105726105A true CN105726105A (en) | 2016-07-06 |
| CN105726105B CN105726105B (en) | 2018-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610323063.XA Active CN105726105B (en) | 2016-05-16 | 2016-05-16 | A kind of suction palace device |
| CN201810408185.8A Active CN108542479B (en) | 2016-05-16 | 2016-05-16 | Uterine suction device |
| CN201810408631.5A Active CN108309415B (en) | 2016-05-16 | 2016-05-16 | Uterus suction device and uterus suction method |
| CN201810408238.6A Active CN108309414B (en) | 2016-05-16 | 2016-05-16 | Uterine suction device |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810408185.8A Active CN108542479B (en) | 2016-05-16 | 2016-05-16 | Uterine suction device |
| CN201810408631.5A Active CN108309415B (en) | 2016-05-16 | 2016-05-16 | Uterus suction device and uterus suction method |
| CN201810408238.6A Active CN108309414B (en) | 2016-05-16 | 2016-05-16 | Uterine suction device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117618091A (en) * | 2023-12-20 | 2024-03-01 | 江苏康进医疗器材有限公司 | Disposable manual abortion aspirator |
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| CN2396785Y (en) * | 1999-11-17 | 2000-09-20 | 张渺 | Disposable vacuum extractor for artificial abortion |
| WO2013005881A1 (en) * | 2011-07-07 | 2013-01-10 | Lee Hee Young | Syringe pressure generating and pressure displaying device |
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- 2016-05-16 CN CN201610323063.XA patent/CN105726105B/en active Active
- 2016-05-16 CN CN201810408185.8A patent/CN108542479B/en active Active
- 2016-05-16 CN CN201810408631.5A patent/CN108309415B/en active Active
- 2016-05-16 CN CN201810408238.6A patent/CN108309414B/en active Active
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| US20060212043A1 (en) * | 2005-03-18 | 2006-09-21 | Grillo Francis P | Vacuum device for sealing an anatomical opening |
| CN201437015U (en) * | 2009-06-08 | 2010-04-14 | 玛丽斯特普国际组织 | Needle tube type manual vacuum extractor |
| CN101716087A (en) * | 2009-12-29 | 2010-06-02 | 余小蒙 | Dispensable continuous negative-pressure puncture outfit |
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| CN205831889U (en) * | 2016-05-16 | 2016-12-28 | 四川菲缇尼斯医疗科技有限公司 | A kind of suction palace device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108542479A (en) | 2018-09-18 |
| CN108309415A (en) | 2018-07-24 |
| CN108309415B (en) | 2021-02-23 |
| CN105726105B (en) | 2018-06-12 |
| CN108309414A (en) | 2018-07-24 |
| CN108309414B (en) | 2021-02-23 |
| CN108542479B (en) | 2020-10-09 |
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