CN103656840A - Infection-preventing double-cavity decompression type pulse abortion suction tube - Google Patents
Infection-preventing double-cavity decompression type pulse abortion suction tube Download PDFInfo
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- CN103656840A CN103656840A CN201310717050.7A CN201310717050A CN103656840A CN 103656840 A CN103656840 A CN 103656840A CN 201310717050 A CN201310717050 A CN 201310717050A CN 103656840 A CN103656840 A CN 103656840A
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Abstract
The invention belongs to the technical field of medical apparatuses and instruments, and discloses an infection-preventing double-cavity decompression type pulse abortion suction tube. A decompression channel of an existing double-cavity negative-pressure abortion suction tube is directly communicated with the outside world, iatrogenic infection is easily caused, and negative pressure cannot be easily controlled. According to the scheme, the infection-preventing double-cavity decompression type pulse abortion suction tube can prevent air in a decompression channel from being polluted, and the negative pressure can be easily controlled in the process of surgery. The infection-preventing double-cavity decompression type pulse abortion suction tube comprises a double-cavity channel, wherein the double-cavity channel is composed of a suction cavity and a decompression cavity, and a decompression hole of the decompression cavity is communicated with the transverse forward-protruding portion arranged at the connecting end of a handle, and is covered with a double-phase filter membrane. The iatrogenic infection can be prevented, and the infection-preventing double-cavity decompression type pulse abortion suction tube is a novel induced abortion suction tube which can achieve decompression of a uterine cavity, pressure adjustment in the process of the surgery, obstruction treatment and infection prevention.
Description
Technical field
The present invention relates to technical field of medical instruments, be specifically related to a kind of for preventing nosocomial infection, the decompression of art intrauterine cavity, adjust blood pressure and can carrying out pulsed attraction to prevent and to process the anti-infection dual-cavity decompressed type pulse miscarriage pipet that embryonal tissue blocks.
Background technology
Be applied at present the suction catheter of the artificial negative pressure miscarriage purposes of hospital clinical, for two-chamber road structure, be divided into the main tube cavity that attracts for embryonal tissue and for the sublumen of pressure decompression in utero, while executing art, by negative pressure suction force embryonal tissue through main tube cavity sucking-off uterine cavity, by sublumen discharge blood or in utero gas etc. reach decompression object, in utero pressure is excessive to have solved artificial abortion operation, easily cause palace blood adverse current, endometriosis, the problem of the complication such as the large and sharp ache of amount of bleeding, the patent scheme Induced abortion pressure reduction type suction pipe who is numbered CN2559321 is such typical case, there is certain advance, wear in addition Potiria pectinifera (Mukller et Tro Sehel), Zhang Xiangrong etc. also disclose a kind of technical scheme of double lumen tube and controllable voltage regulating of using to solve the problem that tube chamber stops up and tissue blocks in CN2253959 technical scheme.Above-mentioned these schemes all have its advance, but also there is same defect, they show as: one, for reaching decompression during object, all adopted the sublumen structure of aforementioned indication, this structure makes blood outside splash when in utero pressure increases, directly pollute medical personnel, and blood particles can fly in operating room air especially, very easily sucks human body and causes cross infection; Secondly, organize wound surface for one, the air of filtered directly enters uterine cavity, objectively instead more the risk of nosocomial infection, cause unexpected infection.
Summary of the invention
The object of this invention is to provide and a kind ofly can solve the defect relating in above-mentioned background technology, overcome the existing risk of background technology, to meet simultaneously, prevent that in nosocomial infection, art, intrauterine cavity reduces pressure and can carry out pulsed attraction with the anti-infection dual-cavity decompressed type pulse miscarriage pipet of objects such as preventing and process that tissue blocks.
To achieve these goals, the present invention has adopted following technical scheme:
A kind of anti-infection dual-cavity decompressed type pulse miscarriage pipet, comprise hands handle, body, described handle is hollow pipe, one end is set to cone joint, the other end is link, this end inserts inner chamber to be communicated with body by body end, described body is a circular hollow pipe, its inner chamber is one-body molded is attraction chamber and the relief chamber of mutually separating, wherein, relief chamber is attached on a side inwall of tube cavity, body head end is the round end of sealing, body head end is to attracting chamber curving, and attracting one side pipe body cephalic par rear, chamber to be provided with attraction mouthful, described relief chamber disappears at nearly body head end and after attracting mouth lateral attitude and forms sealing head end, after the sealing head end of relief chamber, position is provided with vent, other end sealing, and be provided with relief hole at body insertion handle portion, the link of described handle has one to go out portion before laterally in body relief chamber one side, before go out portion and have a filtration channel, on filtration channel, be coated with two-phase filter membrane, and connect with relief hole.
Further, described two-phase filter membrane is for seeing through gas but the hydrophobic filter media that liquid barrier penetrates, its applicable bubble point interval is [5kPa, 25kPa], the filter medium with suitable bubble point, being to realize can seeing through air but intercepting the key that blood flows out, is also one of performance-critical of this programme.
Further, described two-phase filter membrane welding or fix and cover on filtration channel by the unidirectional ring that presses solidly.When the manufactured materials that adopts the technique of welding to be suitable for filter medium and the technical program has homogeneity, and adopt unidirectional pressing solidly to encircle the structural technique fixing, make between filter medium and manufactured materials, to there is more wide selectivity.
Further, the opening of described filtration channel is towards body head end one side, and the formed angle of the centrage of filtration channel and relief chamber interval is [15 °, 65 °].The opening of filtration channel towards having determined to carry out pressure adjusting at Shi Shushi, carry out pulsed and attract to implement the feasibility of blocking processing, the selection of angle has determined to execute the convenience of art operation.
Further, it is domatic that its profile of sealing head end of described relief chamber is the smooth arc of transition gradually.
Further, the footpath, chamber of described relief chamber is less than the footpath, chamber that attracts chamber.
Cardinal principle of the present invention is:
Utilize two-phase hydrophobic filter film to cover the filtration channel that is communicated with relief hole, and the intrinsic bubble dot characteristics of combined filtering medium, make it reach the effect of the saturating liquid of breathable cloth, recycling gas and blood are fluid, discharge the principle that in utero fluid both can reduce pressure, thereby make this programme in use both can anti-Hemostatic Oral Liquid splash, can reach decompression object by Exhaust Gas again, and the link of handle laterally before go out design, to have taken into full account that human finger is easy to protract and the characteristic that is difficult to palintrope, be designed to give prominence to forward to meet human finger structural property, make it can realize adjust blood pressure and pulse operation.
The beneficial effect of technical solution of the present invention is:
Use when of the present invention, can overcome the risk that blood splash described in background technology causes direct pollution and medical cross infection, can reach the generation that intrauterine cavity reduces pressure to prevent artificial abortion syndrome and complication again simultaneously, and overcome air and carry the risk that cause of disease filtered contact tissue wound surface causes infection, triple effect unification, be conducive to protect patient to give birth to right and health, further, can also be when running into embryonal tissue and block with finger, adopt and intermittently open and close filtration channel and intervene the pulsed of vacuum magnitude and attract, to get rid of, stop up, avoid suction catheter repeatedly to pass in and out uterus, reduction is executed art efficiency to uterus injury and raising.
Accompanying drawing explanation
Fig. 1 is cross-sectional view of the present invention.
Fig. 2 is that A-A of the present invention is to schematic cross-section.
Fig. 3 goes out portion's cross-sectional view before handle of the present invention.
The specific embodiment
For being easy to explanation, the present invention is described in detail by reference to the accompanying drawings by following specific embodiment.
As depicted in figs. 1 and 2, a kind of anti-infection dual-cavity decompressed type pulse miscarriage pipet, comprise handle 1, body 2, described handle 1 is hollow pipe, one end is set to cone joint, the other end is link 13, this end inserts inner chamber to be communicated with body 2 by body 2 ends, described body 2 is a circular hollow pipe, its inner chamber is one-body molded is attraction chamber 21 and the relief chamber 22 of mutually separating, wherein, relief chamber 22 is attached on a side inwall of body 2 inner chambers, body 2 head ends are the round end of sealing, body 2 head ends are to attracting chamber 21 curvings, and attracting 21 1 side pipe body 2 cephalic par rears, chamber to be provided with attraction mouth 211, described relief chamber 22 disappears at nearly body 2 head ends and after attracting mouth 211 lateral attitudes and forms sealing head end 222, the rear position of sealing head end 222 of relief chamber 22 is provided with vent 221, other end sealing, and be provided with relief hole 222 in body 2 insertion handle 1 parts, the link 13 of described handle 1 has one to go out portion 12 before laterally in body 2 relief chamber 22 1 sides, before go out portion 12 and have a filtration channel 121, on filtration channel 121, be coated with two-phase filter membrane 1212, and connect with relief hole 222.
As shown in figures 1 and 3, described two-phase filter membrane 1212 is for seeing through gas but the hydrophobic filter media that liquid barrier penetrates, its applicable bubble point interval is [5kPa, 25kPa], the present embodiment is preferably 5kPa, and while being conducive to intrauterine pressure increase, gas is discharged extraneous via the path of " vent 221-relief chamber 22-relief hole 222-filter membrane 1212-filtration channel 121 ".This two-phase filter membrane 1212 can uterine contraction in utero pressure increase instantaneously blocking blood from vent 221 splashes of relief chamber 22 out, but simultaneously again can Exhaust Gas to reach decompression object.Blood always not in uterine cavity, in its uterine cavity, also there is air, liquids and gases are fluid, there is meeting occupy-place in uterus in it, therefore uterus is attracted, when the exogenous stimulation such as pullling and acutely shrinking, can cause oppressing blood when in utero pressure increases and enter fallopian tube or abdominal cavity, cause complication, since 1989, there are bibliographical information and clinical practice to confirm more, discharge in time the occupy-place of blood releasing intrauterine and can effectively reduce internal pressure of uterine cavity power, and the discharge of gas can reach the object of decompression in uterine cavity equally, the blood in utero flowing out can be through attracting mouth 211 by attracting chamber 21 to excrete under the sucking action of negative pressure, can avoid like this causing direct pollution and indirectly cross infection, prevent nosocomial infection.
A kind of optimal way of the present invention, as shown in Figure 3, described two-phase filter membrane 1212 is fixed and to be covered on filtration channel 121 by the unidirectional ring 1211 that presses solidly.Adopt the unidirectional ring 1211 structural techniques that fix that press solidly, make between filter medium and manufactured materials, to there is more wide selectivity, the unidirectional ring 1211 that presses solidly has unidirectional clamping structure, compressing into filtration channel 121 cannot drop back, and technique can not cause film damage, desquamation and have the weatherability of wide cut.
A kind of optimal way of the present invention, as shown in figures 1 and 3, the opening of described filtration channel 121 is towards body 2 head end one sides, filtration channel 121 is 45 ° ± 5 ° with the formed angle of the centrage interval of relief chamber 22, the opening of filtration channel 121 is towards having determined when doctor's hand gripping the present invention executes art, can use expediently forefinger to carry out pressure adjusting according to the closed degree of pressing filtration channel 121, or open and close off and on filtration channel 121 with forefinger, big or small in the pressure of intrauterine cavity with intervention effect, execution pulsed attracts, the mode that makes to attract chamber 21 to be able to " pine-tight-Song-tight " squeezes embryonal tissue and removes and block, make plugging handling there is the feasibility of operation, avoid causing suction catheter repeatedly to pass in and out uterus because need to clear up to stop up by external force, cause additional injuries, the selection of angle has determined to execute the convenience of art operation, being less than 15 ° cannot control by accommodating finger, be greater than 65 ° or approximate 90 °, or mode of directly establishing hole on body 2 as disclosed in background technology CN2559321, because of finger span with interior receipts stroke is limited is difficult to operation, make it lose adjust blood pressure and process the ability block.
A kind of optimal way of the present invention, as shown in Figure 1, it is domatic that sealing head end 222 its profiles of described relief chamber 22 are the smooth arc of transition gradually.Relief chamber 22 outer walls of the present invention, be the inwall that attracts chamber 21, and embryonal tissue must through the sealing head end 222 of adjacent relief chamber 22 outer walls of attraction mouth 211, the smooth degree direct influence embryonal tissue at this place enters the smooth degree that attracts chamber 21, clinical practice confirms, if there is right angle in the sealing head end 222 of relief chamber 22, acute angle form, or there is a burr, burr etc., to directly stop, hook embryonal tissue causes obstruction, during processing, need significantly increase negative pressure value maybe cannot use, the present invention is sealing head end 222 its profiles that the smooth arc of transition is gradually domatic can effectively overcome this type of defect.
A kind of optimal way of the present invention, as shown in Figure 1, the footpath, chamber of described relief chamber 22 is less than the footpath, chamber that attracts chamber 21, and its Proportionality design is 1.5: 7.Too small relief chamber 22 easily causes its obstruction, cannot Exhaust Gas, and too small attraction chamber 21 easily causes pull up time long or block risk and increase, suitable ratio can make the to reduce pressure effectiveness of performance and the ability that embryonal tissue attracts obtains comparatively reasonably balance.
Use beneficial effect of the present invention remarkable, both can overcome the risk that blood splash described in background technology causes direct pollution and medical cross infection, can reach the generation that intrauterine cavity reduces pressure to prevent artificial abortion syndrome and complication again, and overcome air and carry the risk that cause of disease filtered contact tissue wound surface causes infection, simultaneously, can also be when running into embryonal tissue and block with finger, adopt the pulsed of intervening vacuum magnitude and attract to get rid of obstruction, avoid suction catheter repeatedly to pass in and out uterus, reduction is executed art efficiency to uterus injury and raising, it is many performances utensil of quadruple effect unification.
Although technical scheme of the present invention is to describe with reference to specific embodiment, this description not meaning that is construed as limiting the present invention.With reference to description of the invention, other variations of the disclosed embodiments, as according to the size of embryonal tissue, suitably adjust attract mouthfuls 211 be shaped as fish mouth shape or fan-like pattern to widen its suction or to extort ability etc., all can expect for those skilled in the art, this variation should belong in affiliated claim limited range.
Claims (6)
1. an anti-infection dual-cavity decompressed type pulse miscarriage pipet, comprise handle (1), body (2), described handle (1) is hollow pipe, one end is set to cone joint, the other end is link (13), this end inserts inner chamber to be communicated with body (2) by body (2) end, described body (2) is a circular hollow pipe, its inner chamber is one-body molded is attraction chamber (21) and the relief chamber (22) of mutually separating, wherein, relief chamber (22) is attached on a side inwall of body (2) inner chamber, body (2) head end is the round end of sealing, body (2) head end is to attracting chamber (21) curving, and attracting (21) one side pipe body (2) cephalic par rears, chamber to be provided with attraction mouthful (211), described relief chamber (22) disappears at nearly body (2) head end and after attracting mouth (211) lateral attitude and forms sealing head end (222), after the sealing head end (222) of relief chamber (22), position is provided with vent (221), other end sealing, and be provided with relief hole (222) in body (2) insertion handle (1) part, it is characterized in that, the link (13) of handle (1) has one to go out portion (12) before laterally in body (2) relief chamber (22) one sides, before go out portion (12) and have a filtration channel (121), on filtration channel (121), be coated with two-phase filter membrane (1212), and connect with relief hole (222).
2. anti-infection dual-cavity decompressed type pulse miscarriage pipet according to claim 1, it is characterized in that, described two-phase filter membrane (1212) is for seeing through gas but the hydrophobic filter media that liquid barrier penetrates, and its applicable bubble point interval is [5kPa, 25kPa].
3. anti-infection dual-cavity decompressed type pulse miscarriage pipet according to claim 1, is characterized in that, described two-phase filter membrane (1212) welding or pressed solidly ring (1211) fixing and covered on filtration channel (121) by unidirectional.
4. anti-infection dual-cavity decompressed type pulse miscarriage pipet according to claim 1, it is characterized in that, the opening of described filtration channel (121) is towards body (2) head end one side, filtration channel (121) is [15 °, 65 °] with the formed angle of the centrage interval of relief chamber (22).
5. anti-infection dual-cavity decompressed type pulse miscarriage pipet according to claim 1, is characterized in that, it is domatic that its profile of sealing head end (222) of described relief chamber (22) is the smooth arc of transition gradually.
6. anti-infection dual-cavity decompressed type pulse miscarriage pipet according to claim 1, is characterized in that, the footpath, chamber of described relief chamber (22) is less than the footpath, chamber that attracts chamber (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310717050.7A CN103656840A (en) | 2013-12-20 | 2013-12-20 | Infection-preventing double-cavity decompression type pulse abortion suction tube |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310717050.7A CN103656840A (en) | 2013-12-20 | 2013-12-20 | Infection-preventing double-cavity decompression type pulse abortion suction tube |
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| CN103656840A true CN103656840A (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310717050.7A Pending CN103656840A (en) | 2013-12-20 | 2013-12-20 | Infection-preventing double-cavity decompression type pulse abortion suction tube |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105520757A (en) * | 2016-02-03 | 2016-04-27 | 薛德娜 | Negative-pressure endometrial sampling device |
| CN107773289A (en) * | 2017-11-20 | 2018-03-09 | 山东大学齐鲁医院 | A kind of guiding tube for being exclusively used in laparoscope sleeve-like gastrectomy |
| CN115024771A (en) * | 2022-05-30 | 2022-09-09 | 丁凡 | Aspirator pipe for spinal surgery |
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| US20050154373A1 (en) * | 2004-01-09 | 2005-07-14 | Deutsch Harvey L. | Drain with occlusion removing structure |
| CN201602855U (en) * | 2009-08-24 | 2010-10-13 | 李宜 | Double-lumen decompression aspiration tube for abortion |
| CN201930678U (en) * | 2010-12-14 | 2011-08-17 | 浙江深蓝轻纺科技有限公司 | Water film air purification device |
| CN102205167A (en) * | 2011-01-17 | 2011-10-05 | 青岛市市立医院 | Integrated biliary tract internal irradiation balloon drainage tube |
| CN102697541A (en) * | 2012-05-18 | 2012-10-03 | 杭州善誉医药科技有限公司 | Disposable three-cavity one-way bi-pass decompression abortion suction tube |
| CN203264006U (en) * | 2013-05-06 | 2013-11-06 | 庄恒亮 | Three-cavity gastric tube with balloon |
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2388953Y (en) * | 1999-09-20 | 2000-07-26 | 肖明 | Safety gastrointestinal decompression tube |
| US20050154373A1 (en) * | 2004-01-09 | 2005-07-14 | Deutsch Harvey L. | Drain with occlusion removing structure |
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| CN201930678U (en) * | 2010-12-14 | 2011-08-17 | 浙江深蓝轻纺科技有限公司 | Water film air purification device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105520757A (en) * | 2016-02-03 | 2016-04-27 | 薛德娜 | Negative-pressure endometrial sampling device |
| CN107773289A (en) * | 2017-11-20 | 2018-03-09 | 山东大学齐鲁医院 | A kind of guiding tube for being exclusively used in laparoscope sleeve-like gastrectomy |
| CN107773289B (en) * | 2017-11-20 | 2024-04-12 | 山东大学齐鲁医院 | Guide tube special for laparoscopic sleeve gastrectomy |
| CN115024771A (en) * | 2022-05-30 | 2022-09-09 | 丁凡 | Aspirator pipe for spinal surgery |
| CN115024771B (en) * | 2022-05-30 | 2024-05-03 | 丁凡 | Aspirator tube for spinal surgery |
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