CN203196121U - Aspirator for endoscope surgery - Google Patents
Aspirator for endoscope surgery Download PDFInfo
- Publication number
- CN203196121U CN203196121U CN 201320105125 CN201320105125U CN203196121U CN 203196121 U CN203196121 U CN 203196121U CN 201320105125 CN201320105125 CN 201320105125 CN 201320105125 U CN201320105125 U CN 201320105125U CN 203196121 U CN203196121 U CN 203196121U
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- China
- Prior art keywords
- suction pump
- side draught
- bend pipe
- draught hole
- catheter body
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Abstract
The utility model provides an aspirator for endoscope surgery. Particularly, the aspirator for the endoscope surgery comprises a holding part, an aspirator body part and an elbow top end part. The elbow top end part comprises a top end body portion and a top protruding surface; the top protruding surface is provided with a top suction hole; the elbow top end part is further provided with a top-side suction hole; an opening of the top-side suction hole is partially located on the top protruding surface and is partially located on the lateral side of the top end body portion; the top end body portion is provided with or is not provided with a side suction hole. The aspirator is suitable for the endoscope surgery (in particular to a chest endoscope surgery), and can effectively suck and obviously reduce or eliminate damage of tissue in the surgery process.
Description
Technical field
This utility model belongs to medical instruments field, relates to particularly the suction pump for endoscope-assistant surgery.
Background technology
Suction pump is a kind of operating apparatus commonly used, is generally used for absorbing the content in hemorrhage in the operation or hydrops, exudate, pus, the splanchnocoel internal organs, makes operation process clear, reduces contaminated chance.
In recent years, the minimally invasive surgery take the endoscope-assistant surgery technology as representative becomes one of important directions of medical development.In endoscope-assistant surgery, suction pump need to enter abdominal cavity or thoracic cavity in less wound, realize attracting the function of liquid and content, simultaneously, also may be used for processing the blunt separation of some in-vivo tissues, and the application of the function such as the detecting of some in-vivo tissues, barrier in-vivo tissue organ.
At present clinical practice is elongated hollow hard tubulose suction pump in the suction pump of endoscope-assistant surgery, is provided with open opening on the top of tubulose suction pump, and the bottom of tubulose suction pump links to each other with negative pressure device.In operation process, suction pump affects suction function attracting liquid often can be blocked by the in-vivo tissue of some separation, unstable because blocking generation suction pump negative pressure increase build-up of pressure sometimes, even can produce damage to tissue because of the excessive suction of negative pressure; When in addition, the tube wall of the open opening of suction pump top ends also can cause operation tissue is produced cutting damage.
For fear of suction pump in use frequent occurrence block, the part that also has the bottom of suction pump to be connected with negative pressure device at present is set to three-way device, namely negative pressure device and normal saline flushing device are connected to the suction pump bottom jointly.When connecting tee, really to eliminating the suction pump obstruction certain effect is arranged, but still can't effectively reduce the damage that suction pump produces tissue when operation.In addition, because the many connecting pipes in suction pump bottom have increased the hand-held inconvenience of controlling suction pump concerning the operator.
Therefore, this area is applicable to suction pump endoscope-assistant surgery (especially thoracoscopic operation), that can effectively attract and can significantly reduce or eliminate tissue injury in the urgent need to exploitation.
The utility model content
The purpose of this utility model provides a kind of suction pump endoscope-assistant surgery (especially thoracoscopic operation), that can effectively attract and can significantly reduce or eliminate tissue injury that is applicable to.
In first aspect of the present utility model, a kind of suction pump for endoscope-assistant surgery is provided, comprise the grip part, the suction catheter body, described suction catheter body comprises bent portion and straight sections, described bent portion is provided with the bend pipe top ends, described bend pipe top ends comprises top body and top convex surface, described top convex surface is provided with the top sucker, and described bend pipe top ends also is provided with top-side draught hole, a part of opening in described top-side draught hole is positioned at the top convex surface and another part opening is positioned at body side, top, and described top body is provided with or is not provided with the side draught hole.
In another preference, described suction catheter body optionally is provided with the side draught hole.
In another preference, the quantity of described top sucker is 1,2 or 3; And/or
The quantity in described top-side draught hole is n, and wherein n is 2～8 positive integer.
In another preference, described n=4.
In another preference, the quantity in described side draught hole is m, and m is 2～24 positive integer.
In another preference, described m=16.
In another preference, described side draught hole is symmetric arrays around the kernel of section of bend pipe top ends; And/or
Arrange along the file that vertically is of bend pipe top ends in described side draught hole.
In another preference, the arrangement mode in described side draught hole comprises paired arrangement/non-paired arrangement; And/or file is arranged/non-file arrangement.
In another preference, the opening gross area S of described top sucker
The topAccount for the 5%-30% of described top convex surface sectional area S, more preferably, be 10%-15%.
In another preference, the area S3 in the area S1 of single described top sucker, the area S2 in single described top-side draught hole, single described side draught hole is identical or basic identical.
In another preference, S1:S2:S3=0.8～1.2:0.8～1.2:0.8～1.2.
In another preference, described S1:S2:S3=1:1:1.
In another preference, the pore size of described top sucker is 0.5-2.0mm, preferably is 0.7-1.5mm, more preferably is 0.8-1.2mm; And/or
The pore size in described top-side draught hole is 0.5-2.0mm, preferably is 0.7-1.5mm, more preferably is 0.8-1.2mm; And/or
The pore size in described side draught hole is 0.5-2.0mm, preferably is 0.7-1.5mm, more preferably is 0.8-1.2mm.
In another preference, described bend pipe top ends is connected in the suction catheter body removably.
In another preference, the far-end of described bend pipe top ends has threaded fixed part, and the screw thread of described screw thread and suction catheter body near-end inboard is complementary, thereby by described fixed part the bend pipe top ends is fixed in the suction catheter body removably.
In another preference, the length of bend pipe top ends is 10～25mm, preferably 15-20mm; And/or
The length of described suction catheter body is 150～350mm, preferably is 200-300mm; And/or
The external diameter of described suction catheter body is 4～6mm; Preferably be 4～5mm;
The internal diameter of described suction catheter body is 3～5mm; Preferably be 3～4mm.
In another preference, described grip part be shaped as anistree taper.
In another preference, described suction pump also is provided with the threeway that links to each other with the suction pump far-end, and described threeway is connected with suction pump, negative pressure device and normal saline flushing device respectively.
In another preference, described bent portion is connected with the 5 degree～miter angles that vertically are of described straight sections, and the length L 1 of described bent portion is L1:L=5～30:100 with the ratio of described suction catheter body overall length L.
In another preference, described bent portion is connected with 15 degree～30 degree angles that vertically are of described straight sections.
In another preference, the length L 1 of described bent portion is L1:L=10～20:100 with the ratio of described suction catheter body overall length L.
In should be understood that in this utility model scope, above-mentioned each technical characterictic of the present utility model and can making up mutually between specifically described each technical characterictic in below (eg embodiment), thus consist of new or preferred technical scheme.As space is limited, this tired stating no longer one by one.
Description of drawings
Fig. 1 has shown the overall appearance schematic diagram of suction pump.
Fig. 2 has shown suction pump 1 top ends convex surface enlarged diagram.
Fig. 3 has shown suction pump 2 top ends side enlarged diagrams.
Fig. 4 has shown suction pump 3 top ends side enlarged diagrams.
Wherein, sign is as follows among the figure: 1, suction pump; 2, suction catheter body; 4, grip part; 6, bend pipe top ends; 7, bent portion; 8, straight sections; 10, top body; 12, top convex surface; 14, top sucker; 15, top-side draught hole; 16, side draught hole.
The specific embodiment
The inventor has developed a kind of have top convex surface and top sucker, top-side draught hole and the endoscope-assistant surgery suction pump side draught hole, detachable first through extensive and deep research.This suction pump can effectively attract, blockage resisting, and can significantly avoid tissue injury, and possesses easily advantage of operation dexterity.Finished on this basis this utility model.
Now further describe this utility model in conjunction with Fig. 1-4.
This suction pump 1 of the present utility model comprises grip part 4, suction catheter body 2, suction catheter body 2 comprises bent portion 7 and straight sections 8, bent portion 7 is provided with bend pipe top ends 6, bend pipe top ends 6 comprises top body 10 and top convex surface 12, top convex surface 12 is provided with top sucker 14, and bend pipe top ends 6 also is provided with top-side draught hole 15, and top body 10 is provided with side draught hole 16.
The suction catheter body
Suction catheter body of the present utility model is the cylindrical, hollow pipe.
Can be used for suction catheter body length of the present utility model and caliber and be not particularly limited, can be all size common in the endoscope-assistant surgery apparatus.Usually the length of suction catheter body is 150～350mm, preferably is 200-300mm.The external diameter of suction catheter body is 4～6mm; Preferably be 4～5mm.The internal diameter of suction catheter body is 3～5mm; Preferably be 3～4mm.
Suction catheter body of the present utility model comprises bent portion and straight sections, and bent portion is connected with the 5 degree～miter angles that vertically are of straight sections, preferably, is 15 degree～30 degree angles and connects.The length L 1 of bent portion is L1:L=5～30:100 with the ratio of described suction catheter body overall length L, preferably, is L1:L=10～20:100.
The bend pipe top ends
Bend pipe top ends of the present utility model is the extension of self-gravitation tube body section, comprises top body and top convex surface, and the top convex surface is provided with the top sucker, and the bend pipe top ends also is provided with top-side draught hole, and the top body is provided with the side draught hole.
The length of bend pipe top ends of the present utility model has no particular limits, and is generally 10～25mm, preferably is 15-20mm.
The top sucker
Top of the present utility model sucker is positioned at the top convex surface, and the quantity of top sucker can be 1,2 or 3, the opening gross area S of top sucker
The topAccount for the 5%-30% of described top convex surface sectional area S, more preferably, be 10%-15%.
When a plurality of tops sucker was arranged, its arrangement can be symmetry or asymmetrical form, thereby formed mellow and full, the semi-closed state of bend pipe top ends.
Top-side draught hole
A part of opening in top of the present utility model-side draught hole is positioned at the top convex surface and another part opening is positioned at body side, top.The quantity in top-side draught hole can be 2,3,4,5,6,7,8; Preferably, be 4.
Arrangement between each top-side draught hole is positioned at same level or can be slightly staggered, and the spacing between each sucker is identical or basic identical.
The side draught hole
The quantity that can be applicable to side draught of the present utility model hole is not particularly limited, and is generally 2～24; Preferably, be 16.
The arrangement mode that can be applicable to side draught of the present utility model hole is not particularly limited, and generally includes paired arrangement/non-paired arrangement; And/or file is arranged/non-file arrangement.
In another preference, described side draught hole is described side draught hole arranges along the file that vertically is of bend pipe top ends, can be 2,3,4 row, and every row comprise 3,4,5,6 side draught holes.
Typically, whole or most of side draughts hole is positioned at the bend pipe top ends, can certainly some side draught hole be positioned at the near-end one end of bend pipe top ends (namely near) of suction catheter body.
Removable section
Bend pipe top ends of the present utility model and suction catheter body can be one, also can be detachable connection.
The far-end of bend pipe top ends has threaded fixed part, and the screw thread of described screw thread and suction catheter body near-end inboard is complementary, thereby by described fixed part the bend pipe top ends is fixed in the suction catheter body removably.This dismountable mode helps the thorough cleaning of bend pipe top ends.
Attachment device
Suction catheter of the present utility model bottom can add three-way device, and described three-way device is not particularly limited, for the conventional three-way device that uses of endoscope-assistant surgery instrument field, can connect simultaneously vacuum suction and flusher, thereby when necessity is washed, carry out flushing operation.
Should be understood that using this utility model suction pump in routine organizes the time spent as attraction, separation, push and block, suction catheter of the present utility model is connecting tee device not preferably, thereby makes the operator in endoscope-assistant surgery, more can the flexible rotating suction pump.
The suction pump material
In this utility model, be not particularly limited for the manufacture of the material of suction pump, can adopt this area various different materials commonly used.Representational material comprises (but being not limited to): rustless steel, alloy, plastics or its combination.Preferred material is medical stainless steel, so that carry out high-temperature sterilization and cleaning.
Main beneficial effect of the present utility model is:
1. suction pump sucker quantity of the present utility model is many, the aperture is little, distributing position is reasonable: bend pipe top ends of the present utility model is provided with more but the attraction hole that the aperture is less of quantity, especially many tops of being provided with of bend pipe top ends-side draught hole, and, help to accelerate to attract flow velocity, thereby reduce the generation of bend pipe top ends congestion situations.A plurality of attractions hole can also be in the situation that indivedual sucker gets clogged, and the sucker of other position also can make suction pump continue to play a role.
2. the bend pipe top ends top convex surface of this utility model suction pump is circular-arc design, in the process of operation technique, be difficult for in-vivo tissue is caused the mistake damage, simultaneously the circular-arc convex surface of hard the blunt separation that utilizes suction pump to carry out intracorporeal organ tissue with detect, also have during the application of the function such as barrier good effect.
3. the suction catheter body comprises bent portion and straight sections, and bent portion and straight sections vertically have certain angle of bend, and the suction pump of traditional straight tube design is compared in such design, and the directivity of its bend pipe top ends is better.In the practical operation, the surgeon can be easily in vivo the swing bend pipe top ends it is pointed to attract target, greatly increased manipulation accuracy.
4. the handle design of the anistree cone of the bottom of this utility model suction pump is more suitable in Asian hand-type, makes the hand-held that the surgeon can be more convenient.
5. this utility model suction pump can be provided with the threeway that links to each other with the suction pump far-end, i.e. threeway is connected with suction pump, negative pressure device and normal saline flushing device respectively; Simultaneously, also connecting tee and directly being connected with negative pressure device not of this suction pump.The suction pump that directly is connected with negative pressure device can carry out axial rotation easily when hand-held the use, thereby makes top sucker, top-side draught hole and the side draught hole of all directions of this suction pump can point to easily the target that needs attraction.
6. the postoperative cleaning is convenient in the detachable design of bend pipe top ends of this utility model suction pump, is applicable to various sterilization methods, can prolonged and repeatedly use.
7. whole big or small length and the form science of this utility model suction pump are reasonable, are applicable to various endoscope-assistant surgeries (particularly thoracoscopic operation), and be lightly firm, has higher practicality.
The preparation of embodiment 1 suction pump
Adopt stainless steel material to prepare suction pump, as shown in Figure 1.Design parameter is as follows:
Wherein, Fig. 2 has shown suction pump 1 top ends convex surface enlarged diagram; Fig. 3 has shown suction pump 2 top ends side enlarged diagrams; Fig. 4 has shown suction pump 3 top ends side enlarged diagrams.
Adopt embodiment 1 described suction pump 2, without connecting the flushing threeway.
Result: through the Repeated Operation experimental test, the result shows, suction pump of the present utility model is clog-free in the process of operation technique, inorganization damage, simultaneously the circular-arc convex surface of hard the blunt separation that utilizes suction pump to carry out intracorporeal organ tissue with detect, also have during the application of the function such as barrier reasonable effect.
In addition, this utility model suction pump also has very excellent anti-blocking performance in the situation that do not use flusher.
All quote in this application as a reference at all documents that this utility model is mentioned, just as each piece document is quoted separately as a reference.Should be understood that in addition those skilled in the art can make various changes or modifications this utility model after having read above-mentioned teachings of the present utility model, these equivalent form of values fall within the application's appended claims limited range equally.
Claims (10)
1. suction pump that is used for endoscope-assistant surgery, comprise grip part, suction catheter body, it is characterized in that, described suction catheter body comprises bent portion and straight sections, described bent portion is provided with the bend pipe top ends, described bend pipe top ends comprises top body and top convex surface, described top convex surface is provided with the top sucker, and described bend pipe top ends also is provided with top-side draught hole, a part of opening in described top-side draught hole is positioned at the top convex surface and another part opening is positioned at body side, top, and described top body is provided with or is not provided with the side draught hole.
2. suction pump as claimed in claim 1 is characterized in that, the quantity of described top sucker is 1,2 or 3; And/or
The quantity in described top-side draught hole is n, and wherein n is 2～8 positive integer; And/or
The quantity in described side draught hole is m, and m is 2～24 positive integer.
3. suction pump as claimed in claim 1 is characterized in that, described side draught hole is symmetric arrays around the kernel of section of bend pipe top ends; And/or
Arrange along the file that vertically is of bend pipe top ends in described side draught hole.
4. suction pump as claimed in claim 1 is characterized in that, the opening gross area S of described top sucker
The topAccount for the 5%-30% of described top convex surface sectional area S; And/or
The area S3 in the area S2 in the area S1 of single described top sucker, single described top-side draught hole, single described side draught hole is identical.
5. suction pump as claimed in claim 1 is characterized in that, the pore size of described top sucker is 0.5-2.0mm; And/or
The pore size in described top-side draught hole is 0.5-2.0mm; And/or
The pore size in described side draught hole is 0.5-2.0mm.
6. suction pump as claimed in claim 1 is characterized in that, described bend pipe top ends is connected in the suction catheter body removably.
7. suction pump as claimed in claim 1 is characterized in that, the length of bend pipe top ends is 10～25mm; And/or
The length of described suction catheter body is 150～350mm; And/or
The external diameter of described suction catheter body is 4～6mm;
The internal diameter of described suction catheter body is 3～5mm.
8. suction pump as claimed in claim 1 is characterized in that, described grip part be shaped as anistree taper.
9. suction pump as claimed in claim 1 is characterized in that, described suction pump also is provided with the threeway that links to each other with the suction pump far-end, and described threeway is connected with suction pump, negative pressure device and normal saline flushing device respectively.
10. suction pump as claimed in claim 1 is characterized in that, described bent portion is connected with the 5 degree～miter angles that vertically are of described straight sections, and the length L 1 of described bent portion is L1:L=5～30:100 with the ratio of described suction catheter body overall length L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320105125 CN203196121U (en) | 2013-03-07 | 2013-03-07 | Aspirator for endoscope surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320105125 CN203196121U (en) | 2013-03-07 | 2013-03-07 | Aspirator for endoscope surgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203196121U true CN203196121U (en) | 2013-09-18 |
Family
ID=49140265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320105125 Expired - Fee Related CN203196121U (en) | 2013-03-07 | 2013-03-07 | Aspirator for endoscope surgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203196121U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103111013A (en) * | 2013-03-07 | 2013-05-22 | 陈志明 | Aspirator for endoscopic surgery |
| CN104225694A (en) * | 2014-10-14 | 2014-12-24 | 羌燕 | Pulmonary vessel separation aspirator used in thoracoscope |
-
2013
- 2013-03-07 CN CN 201320105125 patent/CN203196121U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103111013A (en) * | 2013-03-07 | 2013-05-22 | 陈志明 | Aspirator for endoscopic surgery |
| CN104225694A (en) * | 2014-10-14 | 2014-12-24 | 羌燕 | Pulmonary vessel separation aspirator used in thoracoscope |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 Termination date: 20170307 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |