CN1745722A - Sleeving puncture of laparoscope - Google Patents
Sleeving puncture of laparoscope Download PDFInfo
- Publication number
- CN1745722A CN1745722A CN 200410051339 CN200410051339A CN1745722A CN 1745722 A CN1745722 A CN 1745722A CN 200410051339 CN200410051339 CN 200410051339 CN 200410051339 A CN200410051339 A CN 200410051339A CN 1745722 A CN1745722 A CN 1745722A
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- China
- Prior art keywords
- sleeve pipe
- shank
- laparoscopic surgery
- needle point
- perforator
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- 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.)
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Abstract
A sleeve tube type puncture device for the peritoneoscope operation is composed of a sleeve tube with a tubular sheath, and a core needle consisting of needle rod fit movably in said tubular sheath, needle tip with polygonal cone shape, and handle. Said core needle is made of medical hard high-molecular material. Its advantages are simple structure and no damage to blood vessel in abdominal wall.
Description
[technical field]
The present invention relates to a kind of medical apparatus and instruments, more particularly, the present invention relates to the operating theater instruments in a kind of laparoscopic surgery.
[background technology]
The sleeve pipe perforator that is used for laparoscopic surgery is the indispensable a kind of operating theater instruments of laparoscopic surgery, and the cutting tip on the nook closing member in the at present used perforator mainly contains three kinds: a kind of is blade, and a kind of is the metal awl, also has a kind of needle tubing that is similar to; But the cutting tip of above-mentioned these traditional nook closing members all is to adopt metal blade or metal awl, they or structure more complicated, and perhaps difficulty of processing is big, so that production cost is higher.When for example producing metal bevel-type cutting tip, need earlier the cutting tip on the nook closing member to be fixed on to grind cutting edge on the lathe, and then carry out injection moulding, assembling, its production technology relative complex.Traditional sleeve pipe perforator that is used for laparoscopic surgery is the production cost height not only, and blade and needle tubing all be the multiple-cutting-edge mouth, very easily damages the stomach wall blood vessel when puncture, and operation safety is bad.
The improvement of this type of technical elements is a lot, wherein there is Chinese patent file 02268812.9 to disclose a kind of disposable pulling-off type breast, the abdominal paracentesis trocar, its needle handle and nook closing member firmly link together, and the nook closing member of this trocar and telescopic transverse section are circular or oval.Sleeve pipe is connected to form by two knock-down semicircles or half elliptic pipe, one end band evagination retaining head, and ring for fixing by chance can be enclosed within the tube outside, and can slide up and down; Sleeve pipe and the supporting application of custom-designed disposable splanchnocoel drainage device.It is said: this apparatus can be inserted sleeve pipe thoracic cavity or intraperitoneal easily, and punctures to finish sleeve pipe to be taken apart from drainage device and take off.But, according to this document, before implanting breast, abdominal cavity, nook closing member and sleeve pipe also need with blade therefore skin incision, can be inferred that the cutting tip of its nook closing member should be blade or too blunt metal awl, exist safety too poor or difficulty of processing is big, the high shortcoming of production cost.
Also there is Chinese patent file 96205959.5 to disclose a kind of thoracentesis needle set, particularly a kind of disposable thoracic drainage and thoracentesis device.Its puncture needle cooperates with shell clearance.The front end of puncture needle is sharp-pointed pyramid or cone, and outside the outstanding sleeve pipe front end aperture of part.There is a joint sleeve pipe rear end, an end and telescopic joint, and end is connected with drainage tube in addition.After puncture needle inserts the thoracic cavity together with sleeve pipe with the sense that falls through, transfer to puncture needle immediately, adjust the degree of depth by sleeve pipe again, and utilize location-plate to determine the degree of depth of sleeve pipe.It is said that this apparatus can prevent pernicious malpractice effectively, is a kind of safe, medical thrust needle set easily.But the front end of this puncture needle is sharp-pointed, and only the initial insertion depth of sense control that falls through in the thoracic cavity still has very big danger with puncture needle and sleeve pipe.
Once there was Chinese patent file 99217968.8 to disclose a kind of trocar that is used for laparoscopic surgery, comprised that a housing and was provided with the puncture needle of handle; It is fixed in the sleeve pipe, in housing, be provided with a vibrator, one side of vibrator and inner walls constitute hinged, at the terminal silica gel sealing ring that embeds of its rake, side in vibrator rake lower end is equipped with a permanent magnet, with sealing ring to the amount inner walls on be provided with a silicone-rubber seals, on its outside face a permanent magnet also is housed; When the adhesive of two Magnet phases is held together, constitute an airtight chamber, can import carbonic acid gas.Be equipped with in puncture needle with the spring safety rod sent out of bullet up and down, its end is more outstanding than puncture needle.It is said that this apparatus can guarantee that the stomach wall perforation time does not damage internal organs. when puncture needle being extracted with handle, the make a gift to someone passage in abdominal cavity of the various surgical instruments that the jack at its place can be used as endoscope.This device installs vibrator therein, spring increases safety, and structure is too complicated, and reliability also has problem.
Also have Chinese patent file 00215931.7 to disclose a kind of peritoneoscope safety puncture needle, its syringe needle is arranged in a sleeve pipe, sleeve pipe is fixed in the front end of handle, and the rear end of syringe needle is connected on the removable core bar in the intracavity of handle, and core bar is provided with return spring and fixing and locking device.It is said that this apparatus structure is scientific and reasonable, use, easy to operate, safe and reliable is convenient to apply clinically.But return spring and fixing and locking device cause trouble to each cleaning, the sterilization of apparatus, are difficult to guarantee.
There is Chinese patent file 00256852.7 to disclose a kind of peritoneoscope TURP trocar again, it is made up of rhizoma sparganic syringe needle, rustless steel needle handle, plastic wrapper, stainless steel electrode etc., rhizoma sparganic syringe needle and rustless steel needle handle link into an integrated entity, the rustless steel needle handle corrects insertion before plastic wrapper, contact with stainless steel electrode at its end.It is said that this apparatus compares with peritoneoscope paracentesis trocar in the past, the rhizoma sparganic syringe needle very easily penetrates stomach wall under the electric power effect, carry out laparoscopic surgery smoothly.Obviously the rhizoma sparganic syringe needle manufacturing cost of its metal is higher, also need be connected with electrode and operate complex structure.
Also have U.S. patent documents US5674237 to disclose a kind of safe perforator in addition, this perforator comprises built-in condom that many ribs tip, spring reverse motion, three-pawl type latter end constitute and handle etc., it is said, this apparatus can reduce penetration Resistance, and built-in condom can promptly block the tip when entering breast, abdominal cavity and thorn and bodily tissue.Obviously this apparatus also has and the above similar shortcoming; And each postoperative apparatus cleans complicated.
[summary of the invention]
At the above-mentioned shortcoming of existing apparatus, the technical purpose that the present invention will reach be to provide a kind of safety of puncturing good, can to the stomach wall blood vessel not cause accidental injury and simple in structure, be convenient to process, be convenient to the sleeve pipe perforator that is used for laparoscopic surgery that apparatus cleans, operates.
For this reason, technical scheme of the present invention is a kind of sleeve pipe perforator that is used for laparoscopic surgery, and this sleeve pipe perforator that is used for laparoscopic surgery comprises sleeve pipe and nook closing member, and described nook closing member comprises needle point, shank, handle three parts that connect successively; Described sleeve pipe comprises the pipe sheath, the shank that the band needle point is arranged in the pipe sheath endoporus movingly, nook closing member has length, diameter and the structure that the needle point that makes on it stretches out from described pipe sheath end, shank is ganoid cylinder, needle point has unique cusp and is positioned on the solid termination of shank, and described needle point is the polygonal pyramid body that same or analogous pyramid inclined-plane forms more than 2, between described each pyramid inclined-plane, between needle point and the shank, be smooth, gapless between shank and the handle and be fastenedly connected; The material of described nook closing member is the hard medical macromolecular materials.Review present puncture instrument aspect, traditional improvement thinking or concentrate in the design of sensitive reactive release mechanism, perhaps concentrate in the design of simple safe detent mechanism, like this or cause complex structure, cost rises, perhaps cause the safety guarantee performance not enough, the improvement thinking that perforator of the present invention is confrontational, from the combination of nook closing member shape and material the start with safety and the sharpness of balance perforator: nook closing member adopts the medical high polymer of suitable hardness injection molded, needle point adopts the polygonal pyramid shape, accurately control the quantity of sharp sword by the polygonal pyramid shape, sword downwards, to the angle and the sharpness of side, thereby the perforator that makes not only can vertically puncture expediently but also can avoid blade tip too sharp and accidental injury stomach wall blood vessel and tissue; And adopt the medical high polymer injection molding body can in very large range select (hardness of some macromolecular material is near metallic copper or copper alloy) except its hardness, therefore be easy to make beyond the advantage of not only safety but also enough sharp perforator, the medical high polymer injection molding body also have processing simple, with low cost, realize that the apparatus smooth surface is seamless easily and be convenient to plurality of advantages such as each thorough cleaning, sterilization.
For realizing above-mentioned principal advantages of the present invention, the present invention takes following concrete corrective measure: described nook closing member is the integral injection moulding structure.
In order to obtain best processing characteristics and the suitableeest sharpness, angle is in 30 degree～60 degree scopes between the adjacent seamed edge of needle point of the present invention, and angle is preferably 40 degree ± 2 degree between adjacent seamed edge; Described needle point has 3～5 pyramid structures, and each the pyramid inclined plane shape that is preferably on the described polygonal pyramid body of 4 ribs is identical, and described cusp is on the described shank axial line; The diameter of described shank is not less than 5 millimeters, is preferably 5.5～6.0mm.Facts have proved that it is good that 4 pyramid structure needle points of said structure have good processing properties, puncture sharpness and safety tool.
For ease of operation, described nook closing member handle be solid cylinder, hollow cylinder, filled circles cone, hollow cone, solid-cone stage body, hollow cone stage body, many muscle sheet connector one of them.
For obtaining better perforator whole synthesis effect, stopping breast, Intraabdominal compressed gas or body fluid sprays from collar aperture, in also comprising, sleeve pipe of the present utility model is provided with the end that dams of valve formula check valve, the lower end of this end that dams is connected with described pipe sheath upper end, this upper end of damming end offers the end face perforate that allows described shank to pass through, and described pipe sheath endoporus and described end face perforate have same axle center.For ease of inserting shank, described valve formula check valve is following protruding bivalve membrane structure.When preventing that further shank from passing through valve formula check valve, insertion tube sheath, breast, Intraabdominal compressed gas or body fluid are disembogued from the valve of check valve and the space between shank, described telescopic end face opening diameter also is connected with airtight back-up ring greater than described pipe sheath diameter of bore in described end face perforate.Be convenient to operation technique for further increase breast, Intraabdominal gas pressure, can also on the end wall surface of damming, offer the pressurization gas injection mouth of pipe.
And, also be provided with the multi-turn damped ring on the outer wall of pipe sheath of the present invention in order to prevent that breast, Intraabdominal compressed gas or body fluid from spraying or sleeve pipe is released outside sleeve pipe.
In order to prevent that the end of managing sheath from head-on being stopped up, the end of described pipe sheath has the targeting port of inclined plane shape.
In order to process simple and security reason, sleeve pipe of the present invention is a hard medical macromolecular materials integral injection moulding structure equally.
In a word, architecture advances of the present invention have be easy to implement, advantage effective, with low cost.
Below, with accompanying drawing technical solution of the present invention is described further in conjunction with specific embodiments.
[description of drawings]
Fig. 1 is structure master's sketch map of nook closing member embodiment of the present invention.
Fig. 2 looks sketch map for the left side of Fig. 1.
Fig. 3 is structure master's sketch map of sleeve pipe embodiment of the present invention.
The sketch map that Fig. 4 matches with sleeve pipe for nook closing member of the present invention.
[specific embodiment]
Embodiment:
As Fig. 1,2, be depicted as a kind of nook closing member 2 of the present invention, it comprises needle point 21, shank 22, the handle 23 that connects successively; Shank 22 is ganoid cylinder, needle point 21 has unique cusp and is positioned on the solid termination of shank 22 and is on the shank axial line, and needle point 21 is rectangular pyramid bodies that 4 same or analogous pyramid inclined-planes form, between each pyramid inclined-plane, between needle point 21 and the shank 22, be smooth, gapless between shank 22 and the handle 23 and be fastenedly connected; Nook closing member 2 is hard medical macromolecular materials integral injection mouldings.The diameter of shank 22 is 5.7 millimeters.Angle is 40 degree between the adjacent seamed edge of needle point 21.Nook closing member 2 handles 23 are many muscle sheet connector.
As Fig. 3, be depicted as a kind of sleeve pipe 1 of the present invention, in also comprising, sleeve pipe 1 is provided with the end 12 that dams of valve formula check valve 14, valve formula check valve 14 is following protruding bivalve membrane structure, the lower end of this end 12 that dams is connected with pipe sheath 11 upper ends, this upper end of damming end 12 offers the end face perforate 13 that allows shank 22 to pass through, and pipe sheath 11 endoporus and end face perforate 13 have same axle center.End face perforate 13 diameters also are connected with airtight back-up ring 15 greater than pipe sheath 11 diameter of bores in end face perforate 13.
Also be provided with multi-turn damped ring (not detailed showing) on the outer wall of pipe sheath 11, the end of pipe sheath 11 has the targeting port 111 of inclined plane shape; Sleeve pipe 1 is a hard medical macromolecular materials integral injection moulding structure.
As Fig. 4, be depicted as a kind of sleeve pipe perforator that is used for laparoscopic surgery of the present invention, it comprises the nook closing member 2 and sleeve pipe 1 that cooperatively interacts, sleeve pipe 1 comprise pipe sheath 11 and in be provided with the end 12 that dams of valve formula check valve 14, the shank 22 of band needle point 21 is by doing movingly in the dam airtight back-up ring 15 of end in 12, valve formula check valve 14 insertion tube sheaths 11 endoporus, and nook closing member 2 has length, diameter and the structure that the needle point 21 that makes on it stretches out from pipe sheath 11 ends.
Claims (10)
1, a kind of sleeve pipe perforator that is used for laparoscopic surgery, this sleeve pipe perforator comprise sleeve pipe (1) and nook closing member (2), and described nook closing member (2) comprises needle point (21), shank (22), handle (23) three parts of connection; Described sleeve pipe (1) comprises pipe sheath (11), shank (22) with described needle point (21) is arranged in described pipe sheath (11) endoporus movingly, described nook closing member (2) has length and the structure that the needle point (21) that makes on it stretches out from described pipe sheath (11) end, described shank (22) is ganoid cylinder, described needle point (21) has unique cusp and is positioned on the solid termination of described shank (22), it is characterized in that: described needle point (21) is the polygonal pyramid body that same or analogous pyramid inclined-plane forms more than 2, between described each pyramid inclined-plane, between needle point (21) and the shank (22), be smooth between shank (22) and the handle (23), gapless is fastenedly connected; The material of described nook closing member (2) is the hard medical macromolecular materials.
2, the sleeve pipe perforator that is used for laparoscopic surgery as claimed in claim 1 is characterized in that: described nook closing member (2) is injection molded for Integratively.
3, the sleeve pipe perforator that is used for laparoscopic surgery as claimed in claim 1 or 2 is characterized in that: angle is in 30 degree～60 degree scopes between the adjacent seamed edge of described needle point (21).
4, the sleeve pipe perforator that is used for laparoscopic surgery as claimed in claim 1 or 2, it is characterized in that: described needle point (21) has 3～5 pyramid structures.
5, the sleeve pipe perforator that is used for laparoscopic surgery as claimed in claim 1 or 2 is characterized in that: each the pyramid inclined plane shape on the described needle point (21) is identical, and described cusp is on described shank (22) axial line.
6, the sleeve pipe perforator that is used for laparoscopic surgery as claimed in claim 1 or 2, it is characterized in that: the diameter of described shank (22) is not less than 5 millimeters.
7, the sleeve pipe perforator that is used for laparoscopic surgery as claimed in claim 1 or 2 is characterized in that: described nook closing member handle (23) be solid cylinder, hollow cylinder, filled circles cone, hollow cone, solid-cone stage body, hollow cone stage body, many muscle sheet connector one of them.
8, the sleeve pipe perforator that is used for laparoscopic surgery as claimed in claim 1 or 2, it is characterized in that: the end (12) that dams that is provided with valve formula check valve (14) in described sleeve pipe (1) also comprises, the lower end of this end (12) that dams is connected with described pipe sheath (11) upper end, this upper end of damming end (12) offers the end face perforate (13) that allows described shank (22) to pass through, and described pipe sheath (11) endoporus and described end face perforate (13) have same axle center.
9, the sleeve pipe perforator that is used for laparoscopic surgery as claimed in claim 7, it is characterized in that: described valve formula check valve (14) is following protruding bivalve membrane structure, end face perforate (13) diameter of described sleeve pipe (1) also is connected with airtight back-up ring (15) greater than described pipe sheath (11) diameter of bore in described end face perforate (13).
10, the sleeve pipe perforator that is used for laparoscopic surgery as claimed in claim 1 or 2 is characterized in that: also be provided with the multi-turn damped ring on the outer wall of described pipe sheath (11), the end of described pipe sheath (11) has the targeting port (111) of inclined plane shape; Described sleeve pipe (1) is that hard medical macromolecular materials Integratively is injection molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410051339 CN1745722A (en) | 2004-09-06 | 2004-09-06 | Sleeving puncture of laparoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410051339 CN1745722A (en) | 2004-09-06 | 2004-09-06 | Sleeving puncture of laparoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1745722A true CN1745722A (en) | 2006-03-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410051339 Pending CN1745722A (en) | 2004-09-06 | 2004-09-06 | Sleeving puncture of laparoscope |
Country Status (1)
| Country | Link |
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| CN (1) | CN1745722A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101843518A (en) * | 2010-06-07 | 2010-09-29 | 常州威克医疗器械有限公司 | Disposable puncture device |
| CN101889885A (en) * | 2010-07-26 | 2010-11-24 | 沈瑞林 | Renal artery blockage and cold infusion device for laparoscopic surgeries |
| CN102327142A (en) * | 2011-08-26 | 2012-01-25 | 东莞微视医疗科技有限公司 | Manufacturing method of cannula puncture outfit for disposable laparoscope and puncture outfit for implementing same |
| CN105030306A (en) * | 2015-04-09 | 2015-11-11 | 徐成学 | Puncture outfit |
| CN106377303A (en) * | 2016-11-18 | 2017-02-08 | 凌安东 | Abdominal wall puncture device for laparoscope based on photo-excitation laser detection positioning |
| CN106388917A (en) * | 2016-10-31 | 2017-02-15 | 三六三医院 | Magnetic separator under laparoscope |
| CN107080572A (en) * | 2017-06-06 | 2017-08-22 | 许辛寅 | A kind of round-sharp needle knife |
| CN108771560A (en) * | 2018-06-29 | 2018-11-09 | 广东弘和医疗器械制造有限公司 | Laparoscope puncture outfit |
| CN109009354A (en) * | 2018-09-05 | 2018-12-18 | 上海市东方医院 | Abdominocentesis bar and puncture outfit with electric knife and dilating sacculus |
| CN110226956A (en) * | 2018-03-02 | 2019-09-13 | 重庆德川医疗器械股份有限公司 | A kind of minimally invasive thoracic surgery special puncture outfit |
| CN113229905A (en) * | 2020-08-17 | 2021-08-10 | 重庆橙壹科技有限公司 | Puncture tube assembly comprising thin film tube and skeleton tube |
| CN113288019A (en) * | 2021-05-14 | 2021-08-24 | 宁波海泰科迈医疗器械有限公司 | Access assembly for cleaning endoscope lens in real time and using method thereof |
-
2004
- 2004-09-06 CN CN 200410051339 patent/CN1745722A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101843518B (en) * | 2010-06-07 | 2011-10-05 | 常州威克医疗器械有限公司 | Disposable puncture device |
| CN101843518A (en) * | 2010-06-07 | 2010-09-29 | 常州威克医疗器械有限公司 | Disposable puncture device |
| CN101889885A (en) * | 2010-07-26 | 2010-11-24 | 沈瑞林 | Renal artery blockage and cold infusion device for laparoscopic surgeries |
| CN101889885B (en) * | 2010-07-26 | 2013-02-06 | 沈瑞林 | Renal artery blockage and cold infusion device for laparoscopic surgeries |
| CN102327142A (en) * | 2011-08-26 | 2012-01-25 | 东莞微视医疗科技有限公司 | Manufacturing method of cannula puncture outfit for disposable laparoscope and puncture outfit for implementing same |
| CN105030306A (en) * | 2015-04-09 | 2015-11-11 | 徐成学 | Puncture outfit |
| CN106388917A (en) * | 2016-10-31 | 2017-02-15 | 三六三医院 | Magnetic separator under laparoscope |
| CN106377303A (en) * | 2016-11-18 | 2017-02-08 | 凌安东 | Abdominal wall puncture device for laparoscope based on photo-excitation laser detection positioning |
| CN107080572A (en) * | 2017-06-06 | 2017-08-22 | 许辛寅 | A kind of round-sharp needle knife |
| CN110226956A (en) * | 2018-03-02 | 2019-09-13 | 重庆德川医疗器械股份有限公司 | A kind of minimally invasive thoracic surgery special puncture outfit |
| CN108771560A (en) * | 2018-06-29 | 2018-11-09 | 广东弘和医疗器械制造有限公司 | Laparoscope puncture outfit |
| CN109009354A (en) * | 2018-09-05 | 2018-12-18 | 上海市东方医院 | Abdominocentesis bar and puncture outfit with electric knife and dilating sacculus |
| CN113229905A (en) * | 2020-08-17 | 2021-08-10 | 重庆橙壹科技有限公司 | Puncture tube assembly comprising thin film tube and skeleton tube |
| CN113288019A (en) * | 2021-05-14 | 2021-08-24 | 宁波海泰科迈医疗器械有限公司 | Access assembly for cleaning endoscope lens in real time and using method thereof |
| CN113288019B (en) * | 2021-05-14 | 2024-02-13 | 宁波海泰科迈医疗器械有限公司 | Access component for cleaning endoscope lens in real time and application method thereof |
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