CN203234807U - Endometrial suction catheter - Google Patents
Endometrial suction catheter Download PDFInfo
- Publication number
- CN203234807U CN203234807U CN 201320183639 CN201320183639U CN203234807U CN 203234807 U CN203234807 U CN 203234807U CN 201320183639 CN201320183639 CN 201320183639 CN 201320183639 U CN201320183639 U CN 201320183639U CN 203234807 U CN203234807 U CN 203234807U
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- CN
- China
- Prior art keywords
- suction catheter
- uterine cavity
- lever
- cavity tissue
- sucker
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses an endometrial suction catheter comprising a suction catheter, an operation handle and a tube joint, wherein the operation handle is connected with the tube joint, one end of the suction catheter is coaxial to the operation handle and is sleeved in the operation handle, the suction catheter is divided into a linear section and a bending section which is situated at the front portion of the suction catheter and is at a 10 to 14-degree angle to the linear section, one or more suction holes are arranged on the sidewall of the suction catheter next to the head end, and the suction holes are in a sac shape, of which the central section is rectangular and both ends are semicircular. In this way, the endometrial suction catheter facilitates suction of endometrial tissues and may not hurt uterine mucosa. The endometrial suction catheter completely sucks endometrial tissue and leaves no blind corner.
Description
Technical field
This utility model relates to the medical device field, particularly relates to a kind of uterine cavity tissue sucker.
Background technology
Anemia of pregnant woman's termination of pregnancy is clinically carried out among the abortion of early pregnancy at present, and operative doctor stretches in the cavity of uterus with plastics or metal suction catheter, by manually-operated tissue substance is blotted only.There are following shortcoming in this plastics or metal suction catheter: 1, because the attraction hole that the suction catheter front end leaves is two ends point arcuation, aperture like kidney-shaped, when forming as far as possible Datong District, existing tapping is not beneficial to again the smooth and easy perforate of passing through of tissue substance, referring to accompanying drawing 1,4 expressions suction catheter of the prior art in the accompanying drawing 1, labelling 5 expressions attraction of the prior art hole in the accompanying drawing 1; 2, the attraction hole on the suction catheter made of plastics is after suction catheter is shaped, and cuts open the attraction hole of formation again, attracts bore edges that the corner angle root face is arranged, and easily scratches vagina, cervix uteri and cavity of uterus mucosa, and has the corner angle root face to be not easy to also that tissue substance is smooth and easy to be passed through; Metal suction catheter is polished also easily has when bad the corner angle root face to form, and the metallic article careless manipulation easily exposes the uterus, causes malpractice; 3, sucking head front end sealing, when suction catheter is deep into cavity of uterus, when sucking head touches fundus of uterus or fallopian tube outlet position, both sides, because front end sealing, can not form pressure reduction at fundus of uterus or fallopian tube mouth, fine tissue thing and tissue fluid, chip, exfoliative cyte or little clot, knot liquid are difficult for picking up, and easily stay the dead angle.4, the pipe of uterine cavity tissue sucker rear end commonly used connects the position clinically, be the gradual cone shape of band-saw shape tooth, after connection tube cover inlet pipe connects, shape tooth position is sawed for last in the position that actual loading links closely to two roads, because be gradual shape, the saw shape tooth position of the back overwhelming majority is stressed less or stressed hardly, in the use, the phenomenon that gets loose usually occurs, referring to accompanying drawing 2, labelling 6 expressions pipe of the prior art connects in the accompanying drawing 2.
The utility model content
For above-mentioned deficiency of the prior art; this utility model main purpose provides a kind of uterine cavity tissue sucker; it is smooth and easy by attracting the hole to be beneficial to tissue substance; attract totally not stay the dead angle; also can dredge the two oviductus lateralis mouths of pipe, pipe intraclast, exfoliative cyte or little clot; and pipe shaft is without the corner angle dull face, and protection vaginal mucosa, cervix uteri and cavity of uterus mucosa are not scratched.
For achieving the above object, the technical solution adopted in the utility model is: a kind of uterine cavity tissue sucker, comprise that suction catheter, lever and pipe connect, described lever connects described pipe and connects, and an end of described suction catheter is with the coaxial setting of lever and pack in the described lever; Described suction catheter is divided into straightway and bending segment, and described bending segment is positioned at the front portion of described suction catheter, and described bending segment becomes 10 °-14 ° angle with described straightway; Described suction catheter has attraction hole more than 1 or 1 near the sidewall of head end, and described attraction hole is stage casing rectangle, the semicircular capsule shape in two ends.Attraction hole in the suction catheter end sidewalls described in the utility model, be once injection moulding, be shaped as the capsule moulding of stage casing rectangle, two ends semicircle, natural transition, form large as far as possible at existing tapping, simultaneously be beneficial to again the smooth and easy capsule-type perforate of passing through of tissue substance, be convenient to organize as far as possible smooth and easy passing through.
Preferably, described bending segment becomes 12 °-14 ° angle with described straightway.Suction catheter described in the utility model moves towards according to cavity of uterus, becomes nature angle and curved shape, and bending segment and described straightway enter cavity of uterus to make things convenient for suction catheter at angle.
Preferably, the head end of described suction catheter is provided with little sucker.
Preferably, the junction of described suction catheter and described lever is provided with sealing member, and described sealing member is located in the described lever.
Preferably, described pipe connects and is cylinder, and described pipe connects the end flare away from lever.
Further, described pipe connects and is provided with pawl.The rear end that pipe described in the utility model connects the position is trumpet type, is convenient to pack into connection tube, and front end is the cylinder with pawl shape, and connection tube grip position is large, and stress equalization is convenient to connection tube and is connected more firmly.
Preferably, described suction catheter is provided with scale.The both sides of suction catheter described in the utility model and upside indicate scale or the semicircle scale that shows the cavity of uterus degree of depth, are beneficial to watch the cavity of uterus degree of depth from upside and the left and right sides, and the doctor who particularly is beneficial to the left-handed operation observes the cavity of uterus degree of depth from the side.
Preferably, described suction catheter is made by polythene material.The polyethylene odorless, nontoxic, the feel ceraceous, have good resistance to low temperature (minimum serviceability temperature can reach-70～-100 ℃), chemical stability is good, the erosion of the most of soda acids of ability, be insoluble to common solvent under the room temperature, water absorption is little, and electrical insulation capability is good, is a kind of nonpoisonous and tasteless, safe and effective, broad-spectrum medical material.
Preferably, described attraction hole and described suction catheter are integrated the injection mo(u)lding structure.The attraction hole of being located at suction catheter cephalic par sidewall described in the utility model is once injection moulding, and the transition of hole wall nature forms without the corner angle dull face, and protection vaginal mucosa, cervix uteri and cavity of uterus mucosa are not scratched.
Preferably, described little sucker and described suction catheter are integrated the injection mo(u)lding structure.The little sucker of the head of suction catheter described in the utility model is once injection moulding, the transition of hole wall nature, bright and clean soft and smooth, do not hinder mucosa, cooperate cell, tissue fluid, chip, exfoliative cyte or little clot with cornua uteri and position, fallopian tube both sides to attract totally not stay the dead angle with the attraction hole of capsule shape.
Uterine cavity tissue sucker described in the utility model, during use, the doctor connects the position with the pipe of the suction tube of adjustable type suction pump cover forward (FWD) pawl shape and fixes, then suction catheter is put in patient's intrauterine, open the on and off switch of adjustable type suction pump, form Negative Pressure Difference in the suction catheter pipe, the attraction hole on the head end of suction catheter and little sucker can attract uterine cavity inner tissue endlessly, until then remnant tissue in the exhaustion uterine cavity extracts suction catheter.But material free bend of the present utility model, to vagina, the uterine mucosa injury is little, need not anaesthetize, suction catheter is uterus shape natural torsion, angle is about 14 °, and little sucker adds capsule shape and attracts the suction catheter head end in hole remnant tissue and tissue fluid, chip, exfoliative cyte or the little clot of fundus of uterus and two oviductus lateralis mouths can be attracted totally, and it is low that the suction probability is leaked in suction.And suction catheter is smooth and easy smooth, natural torsion, and patient need not anaesthetic without pain in the use procedure, disposable use, safe ready stops to cure the source cross infection, and protection vagina and cavity of uterus mucosa draw and draw tissue totally thoroughly, do not stay the dead angle.And suction catheter and lever firmly do not get loose, and protection mucosa in suction catheter termination prevents from puncturing endometrium, and is time saving and energy saving, easy to use, surgery, and success rate is high.
The beneficial effects of the utility model are: it is smooth and easy by the attraction hole that this utility model can be beneficial to tissue substance, attract totally not stay the dead angle, and pipe shaft protects vaginal mucosa, cervix uteri and cavity of uterus mucosa not to be scratched without the corner angle dull face.
Description of drawings
Fig. 1 attracts the pore structure sketch map on the suction catheter in the prior art;
Fig. 2 is the structural representation that pipe connects in the prior art;
Fig. 3 is the structural representation of this utility model uterine cavity tissue sucker one preferred embodiment;
Fig. 4 attracts the pore structure sketch map in one preferred embodiment of this utility model uterine cavity tissue sucker;
Fig. 5 is the structural representation that pipe connects in one preferred embodiment of this utility model uterine cavity tissue sucker.
The specific embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described in detail, thereby so that advantage of the present utility model and feature can be easier to be it will be appreciated by those skilled in the art that protection domain of the present utility model is made more explicit defining.
See also Fig. 3 to Fig. 5, this utility model embodiment: a kind of uterine cavity tissue sucker, comprise that suction catheter 1, lever 2 and pipe connect 3, lever 2 connection tubes connect 3, and an end of suction catheter 1 is with lever 2 coaxial settings and pack in the lever 2; Suction catheter 1 is divided into straightway 11 and bending segment 10, and bending segment 10 is positioned at the front portion of suction catheter 1, the angle of bending segment 10 and 11 one-tenth 14 ° of straightways; Suction catheter 1 has 4 attraction holes 12 near the sidewall of head end, attracts hole 12 to be stage casing rectangle, the semicircular capsule shape in two ends.The described attraction hole 12 that is located at the suction catheter end sidewalls of present embodiment, be once injection moulding, be shaped as stage casing rectangle, the semicircular capsule moulding in two ends, namely form large as far as possible at tapping, simultaneously tube wall nature transition is beneficial to the smooth and easy capsule-type perforate of passing through of tissue substance, is convenient to as far as possible smooth and easy passing through of tissue substance.
The suction catheter 1 of present embodiment becomes nature angle and curved shape according to the cavity of uterus trend, and 11 one-tenth 14 ° of angles of bending segment 10 and straightway enter cavity of uterus to make things convenient for suction catheter 1.
In the present embodiment, the head end of suction catheter 1 is provided with little sucker 13.
In the present embodiment, suction catheter 1 is provided with sealing member 20 with the junction of lever 2.Sealing member 20 is located in the lever 2.
In the present embodiment, pipe connects 3 and is cylinder, and pipe connects the 3 end flares away from lever 2.
Further, described pipe connects 3 and is provided with pawl.Pipe described in the utility model connects 3 rear end and is trumpet type, is convenient to pack into connection tube, and pipe connects 3 front end and is cylinder with pawl shape, and connection tube grip position is large, and stress equalization is convenient to connection tube and is connected more firmly.
In another preferred embodiment of this utility model, suction catheter 1 is provided with scale.The both sides of described suction catheter 1 and upside indicate the scale that shows the cavity of uterus degree of depth, are beneficial to watch the cavity of uterus degree of depth from upside and the left and right sides, and the doctor who particularly is beneficial to the left-handed operation observes the cavity of uterus degree of depth from the side.
In another preferred embodiment of this utility model, suction catheter 1 is made by polythene material.
In another preferred embodiment of this utility model, attract hole 12 and suction catheter 1 to be integrated the injection mo(u)lding structure, the transition of hole wall nature forms without the corner angle dull face, and protection vaginal mucosa, cervix uteri and cavity of uterus mucosa are not scratched.
In another preferred embodiment of this utility model, little sucker 13 is integrated the injection mo(u)lding structure with suction catheter 1.Little sucker 13 is bright and clean soft and smooth, does not hinder mucosa, and the attraction hole 12 of capsule shape cooperates and the cell at cornua uteri and position, fallopian tube both sides and tissue fluid are attracted clean, does not stay the dead angle.
In another preferred embodiment of this utility model, the both sides of described suction catheter and upside indicate the semicircle scale that shows the cavity of uterus degree of depth, be beneficial to watch the cavity of uterus degree of depth from upside and the left and right sides, the doctor who particularly is beneficial to the left-handed operation observes the cavity of uterus degree of depth from the side.
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes this utility model description and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (10)
1. a uterine cavity tissue sucker comprises that suction catheter, lever and pipe connect, and it is characterized in that described lever connects described pipe and connects, and an end of described suction catheter is with the coaxial setting of lever and pack in the described lever; Described suction catheter is divided into straightway and bending segment, and described bending segment is positioned at the front portion of described suction catheter, and described bending segment becomes 10 °-14 ° angle with described straightway; Described suction catheter has attraction hole more than 1 or 1 near the sidewall of head end, and described attraction hole is stage casing rectangle, the semicircular capsule shape in two ends.
2. uterine cavity tissue sucker according to claim 1 is characterized in that, described bending segment becomes 12 °-14 ° angle with described straightway.
3. uterine cavity tissue sucker according to claim 1 is characterized in that, the head end of described suction catheter is provided with little sucker.
4. uterine cavity tissue sucker according to claim 1 is characterized in that, the junction of described suction catheter and described lever is provided with sealing member, and described sealing member is located in the described lever.
5. uterine cavity tissue sucker according to claim 1 is characterized in that, described pipe connects and is cylinder, and described pipe connects the end flare away from lever.
6. uterine cavity tissue sucker according to claim 5 is characterized in that, described pipe connects and is provided with pawl.
7. uterine cavity tissue sucker according to claim 1 is characterized in that, described suction catheter is provided with scale.
8. uterine cavity tissue sucker according to claim 1 is characterized in that, described suction catheter is made by polythene material.
9. arbitrary described uterine cavity tissue sucker is characterized in that according to claim 1-8, and described attraction hole and described suction catheter are integrated the injection mo(u)lding structure.
According to claim 3 in arbitrary described uterine cavity tissue sucker, it is characterized in that described little sucker and described suction catheter are integrated the injection mo(u)lding structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320183639 CN203234807U (en) | 2013-04-12 | 2013-04-12 | Endometrial suction catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320183639 CN203234807U (en) | 2013-04-12 | 2013-04-12 | Endometrial suction catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203234807U true CN203234807U (en) | 2013-10-16 |
Family
ID=49312148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320183639 Expired - Lifetime CN203234807U (en) | 2013-04-12 | 2013-04-12 | Endometrial suction catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203234807U (en) |
-
2013
- 2013-04-12 CN CN 201320183639 patent/CN203234807U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131016 |
|
| CX01 | Expiry of patent term |