CN201085642Y - Trocar casing tube with elastic ring - Google Patents
Trocar casing tube with elastic ring Download PDFInfo
- Publication number
- CN201085642Y CN201085642Y CNU2007201462747U CN200720146274U CN201085642Y CN 201085642 Y CN201085642 Y CN 201085642Y CN U2007201462747 U CNU2007201462747 U CN U2007201462747U CN 200720146274 U CN200720146274 U CN 200720146274U CN 201085642 Y CN201085642 Y CN 201085642Y
- Authority
- CN
- China
- Prior art keywords
- trocar cannula
- colloid
- spare
- operating theater
- theater instruments
- 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 - Fee Related
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3498—Valves therefor, e.g. flapper valves, slide valves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3462—Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Pathology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The utility model relates to a trocar casing which comprises a containing piece, an elastic separation airproof piece, a casing body, a check valve and an elastic ring. The containing piece can be inserted by surgical instruments; the elastic separation airproof piece provided with a rubber piece is arranged in the containing piece; a hole whose diameter is less than or equals to the diameter of the surgical instrument actually is arranged on the rubber piece; the hole can form an airproof combination when the hole is inserted by the surgical instrument; the casing body can combine with the containing piece; the check valve is arranged between the casing body and the containing piece; the elastic ring is arranged around the periphery of the elastic separation airproof piece and can be deformed when the elastic separation airproof piece moves to make the surgical instrument be tied up tightly by the hole of the rubber piece when the surgical instrument has undirectional movements. The elastic separation airproof piece of the trocar casing is movable and can move along with the surgical instrument, and can form airproof combination with the surgical instrument continuously; the trocar casing can make the surgical instrument move in and out conveniently and avoid being perforated or damaged by the surgical instrument.
Description
Technical field
This utility model relates to a kind of trocar cannula (trocar cannula), particularly about a kind of trocar cannula with elastic ring.
Background technology
Laparoscopic surgery (laparoscopic surgery) is quite welcome in recent years a kind of operation method.In operation process, in order to increase the space that to have an operation, medical personnel cooperate an interior pipe of puncture (obturator) to scratch a little otch at patient's abdominal part with trocar cannula earlier, then by this trocar cannula gas (as carbon dioxide) are charged into patient's abdominal part.Simultaneously, this trocar cannula also can be used as the passage for various operating theater instruments turnover, and abdominal pressure is maintained within a certain range.
In general, gas in order to ensure patient's abdominal part in the operation process can not release, and is equiped with in the trocar cannula to prevent the structure of leaking gas more, and it can tightly coat operating theater instruments, make operating theater instruments when moving, the pressure of patient's abdominal part still maintains in certain scope.At present, the effects that adopt an elastomeric isolation closing element (elastomeric septum seal) to reach anti-gas-leak in the visible on the market trocar cannula more.There is a diameter can pass for operating theater instruments in elastomeric isolation closing element central authorities less than the aperture of operating theater instruments, because the elasticity of elastomeric isolation closing element itself, operating theater instruments will tightly be coated during by the elastomeric isolation closing element, can not spill in operating theater instruments passes in and out the process of trocar cannula to guarantee gas.
Yet because most of elastomeric isolation closing element mostly is fixed structure, when operating theater instruments produced move left and right, aperture can't follow operating theater instruments together to move, and can produce distortion on the contrary and then produce the slit, and cause the gas leakage problem.
For to solve fixed elastomeric isolation closing element the gas leakage problem that may cause, various inventions have been proposed in the prior art.For instance, United States Patent (USP) US5 discloses a kind of elastomeric isolation closing element with similar eyed texture 578, No. 016, and it mainly is to run through a hole in chondritic.When operating theater instruments when this hole, it will tightly be coated, and produces when mobile in operating theater instruments, the elastomeric isolation closing element of this chondritic can follow this operating theater instruments together to rotate, and makes hole not have distortion and the situation of gas leakage.In addition, United States Patent (USP) US5 relates to a kind of floating elastomeric isolation closing element 385, No. 553, and it comprises first and second portion, and this second portion outwards is provided with by first.Because second portion has bigger elasticity, when the operating theater instruments generation moves horizontally, second portion will produce distortion earlier, and make the hole in the first produce mobile under indeformable situation.
Summary of the invention
Main purpose of the present utility model is to provide a kind of trocar cannula, and it has mobilizable elastomeric isolation closing element.When operating theater instruments produces when moving horizontally, this elastomeric isolation closing element can together move along with operating theater instruments, makes the hole on the elastomeric isolation closing element can not produce distortion, and sustainablely forms airtight the combination with operating theater instruments.
Another main purpose of the present utility model is to provide a kind of trocar cannula, it has an elastic ring that can be used with mobilizable elastomeric isolation closing element, when this elastomeric isolation closing element is subjected to operating theater instruments traction and when mobile, the elastic ring that is located on this elastomeric isolation closing element can cooperate and produces distortion.And when operating theater instruments was left this trocar cannula, this elastic ring can recover its original shape, and then the elastomeric isolation closing element is maintained original state, and made the hole of elastomeric isolation closing element get back to middle position, made the turnover of subsequent procedures apparatus more convenient.
Another main purpose of the present utility model is to provide a kind of trocar cannula, it has a funnel-form colloid spare, this funnel-form colloid spare can be when operating theater instruments stretches into the auxiliary correcting of this operating theater instruments to the hole of colloid spare, it is more easy to make operating theater instruments stretch into the process of trocar cannula.
A main purpose more of the present utility model is to provide a kind of trocar cannula, and it has at least one and is installed in guard member on the colloid spare, and described guard member can realize the effect of protecting colloid spare, avoids colloid spare to be pierced through or destroy by operating theater instruments.In addition, if colloid spare is the on-plane surface structure, guard member can prevent also that simultaneously colloid spare from producing upset when operating theater instruments is taken out.
For realizing above-mentioned purpose, this utility model provides a kind of trocar cannula, and it is used for forming gastight the combination with an operation apparatus, and this trocar cannula comprises accommodating member, elastomeric isolation closing element, sleeve pipe body, check (non-return) valve and elastic ring.Wherein, this accommodating member can pass through for this operating theater instruments; This elastomeric isolation closing element is installed in this accommodating member and comprises colloid spare, offers a diameter on this colloid spare in fact smaller or equal to the hole of this operating theater instruments diameter, this hole can this operating theater instruments by the time form airtight the combination with this operating theater instruments; This sleeve pipe body can combine with this accommodating member; This check (non-return) valve is installed between this sleeve pipe body and this accommodating member; This elastic ring is located on around this elastomeric isolation closing element and can produces distortion when this elastomeric isolation closing element moves, and still can tighten this operating theater instruments so that the hole of this colloid spare produces in operating theater instruments when non-directional moves.
In addition, this elastomeric isolation closing element can comprise that also at least one is installed in the guard member on this colloid spare, and one group of counterpart in order to the relative position of fixing described guard member and this colloid spare.Wherein, described guard member is installed on the colloid spare, and protective effect mainly is provided, and is pierced through or destroys by operating theater instruments to avoid colloid spare.In addition, when colloid spare had the on-plane surface structure, guard member can prevent that colloid spare from producing upset when operating theater instruments is taken out simultaneously.A described assembly component can be two plastic hoops that are used for fixing described guard member and this colloid spare position, and it can utilize the mode that cooperates up and down that guard member and colloid spare are fixed in wherein.
According to the trocar cannula of this utility model design, this elastic ring is a sponge.
According to the trocar cannula of this utility model design, this accommodating member comprises loam cake and lower cover, and this loam cake combines with manner with this lower cover.
According to the trocar cannula of this utility model design, this sleeve pipe body comprises carrier and tube body, and this check (non-return) valve is installed in this carrier.
According to the trocar cannula of this utility model design, this accommodating member comprises at least one jut, and described jut can compress this check (non-return) valve and be fixed in this carrier.
According to the trocar cannula of this utility model design, this colloid spare is to this sleeve pipe projection.
According to the trocar cannula of this utility model design, this colloid spare surface has the lines that can reduce the frictional force between this colloid spare and this operating theater instruments.
According to the trocar cannula of this utility model design, this trocar cannula also comprises at least one guard member, and described guard member is installed on this colloid spare.
According to the trocar cannula of this utility model design, described guard member offers slit.
According to the trocar cannula of this utility model design, described trocar cannula comprises two guard members, and described two guard members the stacked so that slit on the described guard member can not overlap each other with interlace mode.
According to the trocar cannula of this utility model design, this elastomeric isolation closing element also comprises: at least one guard member, and it is installed on this colloid spare; And an assembly component, it is in order to the relative position of fixing described guard member and this colloid spare.
According to the trocar cannula of this utility model design, described guard member is a plastic sheet.
According to the trocar cannula of this utility model design, a described assembly component is two plastic hoops.
According to the trocar cannula of this utility model design, this accommodating member is with removably and this thimble joint.
The beneficial effects of the utility model are: the elastomeric isolation closing element that trocar cannula of the present utility model had is mobilizable, can form airtight the combination with operating theater instruments with the operation apparatus is together mobile and sustainable; Be more convenient for the performing the operation machinery turnover of this trocar cannula; Can avoid in addition being pierced through or destroying by operating theater instruments.In a word, structural design novelty of the present utility model has industrial applicability, and function admirable, and is easy to use.
Description of drawings
Fig. 1 is the axonometric chart of this utility model trocar cannula;
Fig. 2 is the exploded view of an embodiment of this utility model trocar cannula;
Fig. 3 is the profile of this utility model trocar cannula; And
Fig. 4 is the user mode profile of this utility model trocar cannula.
Wherein, description of reference numerals is as follows:
100 trocar cannulas, 110 accommodating members, 120 elastomeric isolation closing elements
130 sleeve pipe bodys, 111 loam cakes, 113 lower covers
131 carriers, 133 tube bodies, 121 colloid spares
140 check (non-return) valves, 115 juts, 200 operating theater instruments
The specific embodiment
For ease of more clearly understanding technology contents of the present utility model, be described as follows especially exemplified by preferred embodiment.
Please refer to Fig. 1, it is the axonometric chart of this utility model trocar cannula 100.Trocar cannula 100 of the present utility model mainly comprises the two large divisions by outward appearance, is respectively: be used for for this operating theater instruments by and accommodate the elastomeric isolation closing element accommodating member 110 and with these accommodating member 110 bonded sleeve pipe bodys 130.Wherein, this accommodating member 110 has the structure of up/down perforation, in the present embodiment, accommodating member 110 is made up of loam cake 111 and lower cover 113, and loam cake 111 and lower cover 113 can manner be tied and be incorporated between loam cake 111 and the lower cover 113 qualification one accommodation space to hold the elastomeric isolation closing element.It should be noted that the shape of accommodating member 110 and structure are not limited only to the content shown in the present embodiment, for instance, accommodating member 110 also can other combination be assembled.
In the present embodiment, sleeve pipe body 130 comprises carrier 131 and the tube body 133 that is got by these carrier 131 extensions, the upper limb of this carrier 131 can combine removably with the lower cover 113 of this accommodating member 110, and an end of this tube body 133 combines with this carrier 131, and the other end of this tube body 133 has can be for the inclined-plane structure that interts into patient's abdominal part.It should be noted that in some cases, according to employed mould situation, this tube body 133 can combine according to dismountable mode with this carrier 131, but also can be to utilize integrally formed mode to make.
Please refer to Fig. 2, it is the exploded view of an embodiment of this utility model trocar cannula 100.As shown in the figure, trocar cannula 100 of the present utility model comprises elastomeric isolation closing element 120, this elastomeric isolation closing element 120 comprises colloid spare 121, this colloid spare 121 offers a diameter in fact smaller or equal to the hole 121h of operating theater instruments diameter, this hole 121h can this operating theater instruments by the time form airtight the combination with operating theater instruments.
In the present embodiment, colloid spare 121 has funnel-shaped structure, and this colloid spare 121 is to sleeve pipe body 130 projections.By funnelform structural design, when medical personnel inserted trocar cannula 100 with operating theater instruments, colloid spare 121 had the effect of guiding operating theater instruments, made the use of operation trocar cannula more convenient, and then made operation process more convenient.In addition, also can be formed with specific lines 121p on the colloid spare 121, lines 121p can have the effect that reduces the frictional force between colloid spare 121 and the operating theater instruments.
Simultaneously; in order to protect this colloid spare 121; make it be unlikely in operating process, to be punctured by operating theater instruments; elastomeric isolation closing element 120 also can include guard member 160; this guard member 160 is installed on the colloid spare 121 and can realizes the effect of protecting colloid spare 121, avoids colloid spare 121 to be pierced through or destroy by operating theater instruments.In addition, when colloid spare 121 had on-plane surface structure (as funnel-shaped structure), guard member 160 can prevent also that simultaneously colloid spare 121 from producing upset when operating theater instruments is taken out.In the present embodiment, elastomeric isolation closing element 120 comprises two guard member 160a, 160b, all has slit 160c structure on described guard member 160a, the 160b, described slit 160c can for operating theater instruments by the time make this guard member 160 produce the effect that parts a little.In the present embodiment, the slit 160c of two guard member 160a, 160b is with the interlace mode setting, and the tip that can avoid operating theater instruments is passed by slit 160c and punctures colloid spare 121.In the present embodiment, guard member 160 can be general plastic sheet, as PE or PP or the like, but not as limit.For instance, guard member 160 also can be to be formed at the fabric of colloid spare 121 or the material of other like fibrous.
For the relative position of fixing colloid spare 121 with guard member 160, the elastomeric isolation closing element 120 of present embodiment utilizes an assembly component 123a and a 123b, by respectively colloid spare 121 and guard member 160 being fixed up and down.Wherein, colloid spare 121 offers the corresponding aperture with counterpart 123a, 123b respectively with guard member 160, so counterpart 123a, 123b can cooperate the fixed-site colloid spare 121 of aperture and the relative position of guard member 160.
The more important thing is that this utility model also comprises elastic ring 150, this elastic ring 150 be located on elastomeric isolation closing element 120 around and both together be installed in the accommodation space that loam cake 111 and lower cover 113 limited.In addition, below this lower cover 113, also has a check (non-return) valve 140 that is installed in the carrier 131 of sleeve pipe body 130.This check (non-return) valve 140 can be duckbill valve or cross valve, but not as limit.It should be noted that in the present embodiment, the lower cover 113 of accommodating member is formed with at least one jut 115, when lower cover 113 combined with sleeve pipe body 130, described jut 115 can be pressed against on the check (non-return) valve 140, and then check (non-return) valve 140 is fixed in the carrier 131.
Then please refer to Fig. 3, it is the profile of this utility model trocar cannula 100.In the present embodiment; elastomeric isolation closing element 120 comprises: colloid spare 121, two guard member 160a, 160b and an assembly component 123a, 123b; wherein; described guard member 160a, 160b system is stacked at colloid spare 121 tops with interlace mode, and described counterpart 123a, 123b are then fixing in the lump with colloid spare 121 and two guard member 160a, 160b.Aforementioned elastomeric isolation closing element 120 is installed in the space of being defined by loam cake 111 and lower cover 113, and be equipped with elastic ring 150 around the elastomeric isolation closing element 120, this elastic ring 150 can produce distortion when this elastomeric isolation closing element 120 moves, so that the hole 121h of this colloid spare 121 is in the process of carrying out laparoscopic surgery, no matter operating theater instruments is static or mobile status, all can tighten this operating theater instruments and unlikely generation distortion, the gas of patient's abdominal part be released as forming " opal " shape.Please in the lump with reference to figure 4, it is the user mode profile of this utility model trocar cannula 100.In use, operating theater instruments 200 is by accommodating member 110 and be installed in wherein elastomeric isolation closing element 120, because the hole 121h on the colloid spare 121 is smaller or equal to the diameter of this operating theater instruments 200, thus colloid spare 121 utilize its inherent telescopic nature tightly be coated on this operating theater instruments 200 around.When operating theater instruments 200 produces parallelly with elastomeric isolation closing element 120 when mobile, because this elastomeric isolation closing element 120 is installed in the mode of movable, it will be along with operating theater instruments 200 is together mobile.Because around the elastomeric isolation closing element 120 is rubber-like elastic ring 150, elastic ring 150 will produce distortion because of elastomeric isolation closing element 120.In the preferred case, elastic ring 150 can be sponge or its analog, and elastic ring 150 can utilize the compressible characteristic that itself relaxes to make operating theater instruments 200 can not be subjected to too big resistance in moving process.In the same manner, when medical personnel need to change different operating theater instruments 200 in operation process, in case this operating theater instruments 200 is removed from elastomeric isolation closing element 120, this elastic ring 150 can utilize the elastic force of itself again and restore to the original state, and makes elastomeric isolation closing element 120 get back to original position again.In view of the above, medical personnel just need not expend the too many time operating theater instruments 200 is being registered in the hole 121h of colloid spare 121.
In sum, no matter this utility model all obviously is different from prior art with regard to purpose, means and effect.Should be pointed out that the foregoing description only for example illustrates principle of the present utility model and effect thereof, but not be used to limit scope of the present utility model.Those skilled in the art can be under the situation of know-why of the present utility model and spirit, and these embodiment are made amendment and change.Rights protection scope of the present utility model is limited by the accompanying claims.
Claims (14)
1. trocar cannula, is characterized in that this trocar cannula comprises in order to form airtight the combination with operating theater instruments:
Accommodating member, it can pass through for this operating theater instruments;
The elastomeric isolation closing element, it is installed in this accommodating member and comprises colloid spare, offers a diameter on this colloid spare in fact smaller or equal to the hole of the diameter of this operating theater instruments, this hole can this operating theater instruments by the time form airtight the combination with this operating theater instruments;
The sleeve pipe body, it combines with this accommodating member;
Check (non-return) valve, it is installed between this sleeve pipe body and this accommodating member; And
Elastic ring, it is located on around this elastomeric isolation closing element, and this elastic ring can produce distortion when this elastomeric isolation closing element moves, still can tighten this operating theater instruments so that the hole of this colloid spare produces in operating theater instruments when non-directional moves.
2. trocar cannula as claimed in claim 1 is characterized in that, this elastic ring is the sponge elastic ring.
3. trocar cannula as claimed in claim 1 is characterized in that this accommodating member comprises loam cake and lower cover, and this loam cake combines with manner with this lower cover.
4. trocar cannula as claimed in claim 1 is characterized in that, this sleeve pipe body comprises carrier and tube body, and this check (non-return) valve is installed in this carrier.
5. trocar cannula as claimed in claim 4 is characterized in that this accommodating member comprises at least one jut, and described jut can compress this check (non-return) valve and be fixed in this carrier.
6. trocar cannula as claimed in claim 1 is characterized in that, this colloid spare is to this sleeve pipe body projection.
7. trocar cannula as claimed in claim 6 is characterized in that, this colloid spare surface has the lines that can reduce the frictional force between this colloid spare and this operating theater instruments.
8. trocar cannula as claimed in claim 1 is characterized in that this trocar cannula also comprises at least one guard member, and described guard member is installed on this colloid spare.
9. trocar cannula as claimed in claim 8 is characterized in that described guard member offers slit.
10. trocar cannula as claimed in claim 9 is characterized in that, described trocar cannula comprises two guard members, and described two guard members are so that the interlace mode that the slit on the described guard member can not overlap each other is stacked.
11. trocar cannula as claimed in claim 1 is characterized in that, this elastomeric isolation closing element also comprises:
At least one guard member, it is installed on this colloid spare; And
One assembly component, it is in order to the relative position of fixing described guard member and this colloid spare.
12. trocar cannula as claimed in claim 11 is characterized in that, described guard member is a plastic sheet.
13. trocar cannula as claimed in claim 11 is characterized in that, a described assembly component is two plastic hoops.
14. trocar cannula as claimed in claim 1 is characterized in that, this accommodating member combines with this sleeve pipe body with removably.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202007001916U DE202007001916U1 (en) | 2007-02-09 | 2007-02-09 | Changeable changeover head for puncture instrument, has locking ring, cover, sealing ring and floating ring, whereby locking ring is provided with separation plate on its upper side, in whose center opening is available |
DE202007001916.5 | 2007-02-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201085642Y true CN201085642Y (en) | 2008-07-16 |
Family
ID=37950529
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNU2007201462747U Expired - Fee Related CN201085642Y (en) | 2007-02-09 | 2007-08-08 | Trocar casing tube with elastic ring |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN201085642Y (en) |
DE (1) | DE202007001916U1 (en) |
TW (1) | TWM327217U (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010083670A1 (en) * | 2009-01-23 | 2010-07-29 | Zhou Xing | Groove universal radial seal ring for puncture device and puncture device |
CN102764150A (en) * | 2012-06-27 | 2012-11-07 | 佛山特种医用导管有限责任公司 | Seal ring and puncture cannula with same |
CN102949226A (en) * | 2011-08-24 | 2013-03-06 | 苏州天臣国际医疗科技有限公司 | Puncture outfit |
CN103505268A (en) * | 2013-05-24 | 2014-01-15 | 常州市新能源吻合器总厂有限公司 | Puncture device |
CN103505270A (en) * | 2013-09-30 | 2014-01-15 | 常州市新能源吻合器总厂有限公司 | Puncture outfit good in sealing property |
CN103690203A (en) * | 2013-12-31 | 2014-04-02 | 常州威克医疗器械有限公司 | Sealing device of minimally invasive disposable puncture apparatus |
CN104127224A (en) * | 2013-05-03 | 2014-11-05 | 张令天 | High-elasticity channel valve and application thereof |
WO2016070797A1 (en) * | 2014-11-08 | 2016-05-12 | 周星 | Puncture device having a silencer |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW201041557A (en) * | 2009-05-19 | 2010-12-01 | Lagis Entpr Co Ltd | Single-hole laparoscope multi-port shielding device |
CN102715936B (en) * | 2012-07-03 | 2014-01-15 | 常州威克医疗器械有限公司 | Sealing device for minimally invasive disposable puncture device |
-
2007
- 2007-02-09 DE DE202007001916U patent/DE202007001916U1/en not_active Expired - Lifetime
- 2007-06-01 TW TW096209127U patent/TWM327217U/en not_active IP Right Cessation
- 2007-08-08 CN CNU2007201462747U patent/CN201085642Y/en not_active Expired - Fee Related
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010083670A1 (en) * | 2009-01-23 | 2010-07-29 | Zhou Xing | Groove universal radial seal ring for puncture device and puncture device |
CN102949226A (en) * | 2011-08-24 | 2013-03-06 | 苏州天臣国际医疗科技有限公司 | Puncture outfit |
CN102764150A (en) * | 2012-06-27 | 2012-11-07 | 佛山特种医用导管有限责任公司 | Seal ring and puncture cannula with same |
CN102764150B (en) * | 2012-06-27 | 2014-11-05 | 佛山特种医用导管有限责任公司 | Seal ring and puncture cannula with same |
CN104127224A (en) * | 2013-05-03 | 2014-11-05 | 张令天 | High-elasticity channel valve and application thereof |
CN103505268A (en) * | 2013-05-24 | 2014-01-15 | 常州市新能源吻合器总厂有限公司 | Puncture device |
CN103505270A (en) * | 2013-09-30 | 2014-01-15 | 常州市新能源吻合器总厂有限公司 | Puncture outfit good in sealing property |
CN103690203A (en) * | 2013-12-31 | 2014-04-02 | 常州威克医疗器械有限公司 | Sealing device of minimally invasive disposable puncture apparatus |
WO2015100684A1 (en) * | 2013-12-31 | 2015-07-09 | 常州威克医疗器械有限公司 | Sealing device of minimally invasive disposable penetrator |
CN103690203B (en) * | 2013-12-31 | 2015-09-30 | 常州威克医疗器械有限公司 | A kind of Wicresoft disposable puncture device sealing device |
WO2016070797A1 (en) * | 2014-11-08 | 2016-05-12 | 周星 | Puncture device having a silencer |
Also Published As
Publication number | Publication date |
---|---|
TWM327217U (en) | 2008-02-21 |
DE202007001916U1 (en) | 2007-04-05 |
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