CN101474089B - High-reliability puncture outfit - Google Patents
High-reliability puncture outfit Download PDFInfo
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- CN101474089B CN101474089B CN2009100369903A CN200910036990A CN101474089B CN 101474089 B CN101474089 B CN 101474089B CN 2009100369903 A CN2009100369903 A CN 2009100369903A CN 200910036990 A CN200910036990 A CN 200910036990A CN 101474089 B CN101474089 B CN 101474089B
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Abstract
The invention relates to a high reliability puncture outfit. As a mounting bracket of a retaining valve is provided with a bearing surface which is matched with the funnel surface of the retaining valve, the bearing surface of the mounting bracket clings to the funnel surface structure of the retaining valve; when a surgery instrument is in and out in the retaining valve, as the bearing surface is inosculated and matched with the shape of the funnel surface, the bearing surface can effectively regulate the shape of the funnel surface, improves the inosculating situation of the incision of the retaining valve, prevent the occurrence of the skull patch phenomenon and increases the sealing effect after the surgery instrument is extracted. In addition, as a radial sealing ring with a flexible deforming slot is specially designed in the puncture outfit, the puncture outfit of the invention also realizes the random change of the surgery instrument with the 10mm to 5mm of diameter, not only has good moving seal effect, but also the surgery instrument has small kinetic resistance.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, particularly relate to the sealing ring that the perforator that uses and perforator use in the peritoneoscope micro-wound surgical operation.
Background technology
In modern medicine, the peritoneoscope micro-wound surgical operation has obtained application more and more widely, for fear of nosocomial infection, the consumption of the disposable puncture device that uses in the laparoscopic surgery (Trocar) is also increasing, on the basis that guarantees serviceability, simplified structure, reducing cost becomes the improved direction of perforator.
The hermetically-sealed construction of the perforator of prior art is made up of radial direction seal ring and check valve.Wherein check valve has two kinds, and one is a spring pressuring plate formula structure, promotes baffle plate compressing silica gel sealing ring by spring leaf and forms sealing.Be made up of spring leaf, baffle plate, silica gel sealing ring, spring leaf, baffle plate adopt the rustless steel manufacturing usually, and the sealing ring of this form often uses in the perforator that nonexpondable metal is made, and this perforator price is more expensive, and weight is heavier.In recent years, needs for suitable disposable puncture device development, developed the funnel type silica gel sealing ring, this funnel type silica gel sealing ring has a through otch of straight line in the bottom of funnel type, utilize the pressure that the carbon dioxide pneumoperitoneum forms in the contractility of silica gel itself and the use, reach the effect of sealing, this funnel type silica gel sealing ring is extensive use of in disposable puncture device usually.The phenomenon that widely used funnel type silica gel sealing ring leaks air when clinical use often in disposable puncture device, sealing effectiveness is bad, its main cause is because after operating theater instruments passes in and out repeatedly, the distortion of the supporting walls of funnel type silica gel sealing ring, and the otch of funnel bottom coincide bad causing.
In addition, the radial direction seal ring of the perforator of prior art adopts the garden loop configuration of band centre bore, and to adopt be thick and to the centre bore structure of attenuation progressively by outer rim, this outer rim thick to centre bore progressively the sealing ring of attenuation when operating theater instruments is rocked, reveal the movable sealing weak effect especially easily.Therefore, when the radial direction seal ring of employing prior art uses the operating theater instruments of 5mm on the perforator of 10mm, need to adopt conversion sheath pipe, this has brought inconvenience for doctor's operation technique.
Thereby need to improve the perforator of prior art, and not only be implemented in the operating theater instruments that can use 10mm on the perforator of 10mm, also can use the operating theater instruments of 5mm, and need not to use conversion sheath pipe, reach general purpose; And can improve the sealing effectiveness of funnel type silica gel sealing ring.
Summary of the invention
The object of the present invention is to provide a kind of novel puncture device, its delicate structure, reliability height, low, the good sealing effect of cost.
High-reliability puncture outfit, described perforator includes the anti-skidding stricture of vagina (17) on the fixed mount (13), loam cake (15), perforator epitheca pipe of epitheca pipe (11), check valve (12), the check valve of radial direction seal ring (10), perforator, wherein: the fixed mount of check valve (13) is provided with the supporting surface (131) that matches with the funnel surface (124) of check valve (12), and supporting surface (131) is close to funnel surface (124).
Further, the fit tolerance W between described supporting surface (131) and the funnel surface (124) is between 0～0.8mm, and its optimum is between 0.1mm～0.5mm.
Like this, when operating theater instruments is passed in and out in check valve, because the supporting surface (131) of the fixed mount (13) of check valve coincide with check valve funnel surface (124) shape, coupling, supporting surface (131) can effectively be adjusted the shape of funnel surface (124), improve the identical situation of the otch of check valve, prevent the generation of skull patch phenomenon, improve the sealing effectiveness after operating theater instruments is extracted out.
The present invention also comprises radial direction seal ring (10), and described radial direction seal ring (10) is provided with yielding groove (1), has the Support (2) and the through hole (3) of guide effect; Be connected by yielding groove (1) between the Support (2), the edge of yielding groove (1) is connected with through hole (3); The maximum ga(u)ge of Support (2) is greater than 2 times of the thickness δ of yielding groove (1).
Further, the thickness δ of described yielding groove (1) is between 0.1mm～1.2mm, and the optimum of its thickness δ is between 0.3mm～0.7mm.
The yielding groove (1) of described radial direction seal ring (10) is provided with 2 or 3 or 4, is distributed on the radial direction seal ring (10).
The guiding angle [alpha] of Support (2) that has guide effect on the described radial direction seal ring (10) is between 40 °～80 °, and its optimum is between 55 °～75 °.
The Support with guide effect (2) of described radial direction seal ring (10) is provided with superslide material coating (21).
The diameter of described through hole (3) is between 3mm～4.8mm, and its optimum is between 3.5mm～4.2mm.
Described radial direction seal ring (10) and check valve (12) adopt the medical elastic material manufacture, include but not limited to: medical silica-gel, medical grade rubber, medical polyurethane, medical latex and their combination.
Like this, when operating theater instruments when the infundibulate gathering sill of Support inserts because the wall thickness of yielding groove is very thin, yielding groove preferentially deforms, and encircles the art apparatus of stopping, and reaches the effect of sealing.And when operating theater instruments is rocked, also rocked together by the Support that yielding groove is cut apart, and the sealing ring that yielding groove forms is still encircled the art apparatus of stopping, and remains sealing state, and good especially movable sealing effect is arranged.Particularly the thickness δ of yielding groove is little, not only movable sealing effect, and also the operating theater instruments resistance of motion is little, makes things convenient for the doctor to operate.
Adopt radial direction seal ring of the present invention (10) can insert the operating theater instruments that diameter is 10mm or 5mm arbitrarily, and keep good dynamic sealing performance.This structure can also realize that diameter is any replacing between 12mm, 10mm and the 5mm operating theater instruments; Operating theater instruments between 15mm, 12mm, 10mm and the 5mm is changed arbitrarily; And 10mm, 12mm and 15mm between operating theater instruments change arbitrarily.
In addition, high-reliability puncture outfit of the present invention is characterized in that described high-reliability puncture outfit is provided with the convenient briquetting of installing (16) between loam cake (15) and radial direction seal ring (10).Can not cause radial direction seal ring (10) distortion when the rotation loam cake is assembled like this, thereby influence the radial seal effect.
Because the present invention has adopted the fixed mount (13) of check valve to be provided with the supporting surface (131) that matches with the funnel surface (124) of check valve (12), supporting surface (131) is close to the structure of funnel surface (124), when operating theater instruments is passed in and out in check valve, because the supporting surface (131) of the fixed mount (13) of check valve coincide with check valve funnel surface (124) shape, coupling, supporting surface (131) can effectively be adjusted the shape of funnel surface (124), improve the identical situation of the otch of check valve, prevent the generation of skull patch phenomenon, the sealing effectiveness after the raising operating theater instruments is extracted out and the reliability of perforator.Add the specially designed radial direction seal ring with yielding groove of the present invention, the present invention's perforator has realized that also diameter is any replacing between 10mm and the 5mm operating theater instruments, and not only movable sealing is effective, and the operating theater instruments resistance of motion is little.
Description of drawings
Fig. 1 is the structural representation of the present invention's 4 channel gaskets.
Fig. 2 is the structural representation at the back side of the sealing ring of Fig. 1.
Fig. 3 is the A-A cutaway view of Fig. 1.
Fig. 4 is the B-B cutaway view of Fig. 1.δ is the thickness of yielding groove among the figure, and α is the guiding angle of the cone of Support.
Fig. 5 is the structural representation of 4 channel gaskets of another structure of the present invention.
Fig. 6 is the structural representation at the back side of the sealing ring of Fig. 5.
Fig. 7 is the C-C cutaway view of Fig. 5.
Fig. 8 is the D-D cutaway view of Fig. 5.
Fig. 9 is the structural representation of the present invention's 2 channel gaskets.
Figure 10 is the structural representation of the present invention's 3 channel gaskets.
Figure 11 is the structural representation of channel gasket of the present invention's Support band superslide material coating.
Figure 12 the present invention's yielding groove is arranged on the structural representation of the channel gasket at the back side.
Figure 13 is the structural representation at the back side of the channel gasket of Figure 12.
Figure 14 is the E-E cutaway view of Figure 13.
Figure 15 is the F-F cutaway view of Figure 13.
Figure 16 is the assembling partition figure of the present invention's perforator.This perforator has used the present invention's sealing ring.
Figure 17 is the structural representation of fixed mount of check valve of the perforator of Figure 16.
Figure 18 is the G-G cutaway view of Figure 17.
Figure 19 is the H-H cutaway view of Figure 17.
Figure 20 is the structural representation of the check valve that adopts of the perforator of Figure 16.
Figure 21 is the structural representation at the back side of Figure 20.
Figure 22 is the J-J cutaway view of Figure 21.
Figure 23 is the K-K cutaway view of Figure 21.
Figure 24 is the structural representation after the present invention's of Figure 16 perforator is assembled.
Figure 25 is the structural representation after the perforator of Figure 24 inserts operating theater instruments.
Figure 26 is the structural representation of the present invention's perforator.
Figure 27 is the structural representation of perforator of the present invention's band briquetting.
Among the above-mentioned figure:
1 is that the anti-skidding stricture of vagina, 18 on the perforator epitheca pipe is that operating theater instruments, 21 is the superslide material coating on the Support for briquetting, 17 for loam cake, 16 for valve, 15 for the fixed mount of check valve, 14 for check valve, 13 for the epitheca pipe of perforator, 12 for the present invention's sealing ring, 11 for through hole, 10 for Support with guide effect, 3 for yielding groove, 2.121 for the otch on the check valve, 122 for the afterburning muscle of the side direction on the check valve, 123 for the raised ribs on the check valve, 124 for the funnel surface on the check valve, 125 for the reinforcement on the check valve, 126 for the passage on the check valve, 131 for check valve fixed mount upper support face, δ be fit tolerance between the funnel surface of the guiding angle of the thickness of yielding groove, cone that α is the Support, supporting surface that W is fixed mount and check valve.
The specific embodiment
Embodiment 1: the manufacturing of the present invention's 4 channel gaskets
Technical scheme design elements drawing according to the present invention.Center at the present invention's sealing ring (10) is provided with through hole (3), and through hole (3) is used for the turnover of operating theater instruments; On the present invention's sealing ring (10), 4 yielding grooves (1) are set; Support (2) with guide effect is connected with yielding groove (1) respectively.Referring to figs. 1 to Fig. 8.
Select high anti-tear medical silica-gel to make this present invention's sealing ring, can produce the present invention's sealing ring according to the general moulding process of medical silica-gel.
The thickness δ of yielding groove (1) is the key of regulating the sealing effectiveness and the operating theater instruments resistance of motion, and the thickness δ of yielding groove (1) is between 0.1mm～1.2mm, and its optimum is between 0.3mm～0.7mm.In addition, the width of yielding groove (1), shape also can influence to a certain extent regulates the sealing effectiveness and the operating theater instruments resistance of motion, but thickness δ is a key parameter.
Have the shape of Support (2) of guide effect and the variation of wall thickness, can have influence on the sealing effectiveness and the operating theater instruments resistance of motion equally, usually the maximum ga(u)ge of Support (2) is greater than 2 times of the thickness δ of yielding groove (1), and reasonable ratio is between 3～4.5 times.In addition, the guiding angle [alpha] of cone with Support (2) of guide effect can have influence on the sealing effectiveness and the operating theater instruments resistance of motion equally, and the guiding angle [alpha] can be between 40 °～80 °, and its optimum is between 55 °～75 °.
In addition, the present invention's sealing ring can adopt any medical elastic material manufacture, includes but not limited to: medical silica-gel, medical grade rubber, medical polyurethane, medical latex and their combination.For example, Support (2) adopt the higher medical silica-gel of hardness, and yielding groove (1) part then adopts the lower high anti-tear medical silica-gel manufacturing of hardness.Particularly can handle,, can reduce the operating theater instruments resistance of motion significantly, and keep good sealing effectiveness as increasing superslide material coating (21) to the surface of the guiding cone of Support (2).With reference to Figure 11.
Owing to be provided with yielding groove (1) on the present invention's the sealing ring (10), have the Support (2) and the through hole (3) of guide effect, be connected by yielding groove (1) between the Support (2), and the thickness δ of yielding groove much smaller than the Support average thickness of (2), when operating theater instruments (18) when the taper gathering sill of (2) inserts along the Support, because the wall thickness of yielding groove (1) is very thin, yielding groove (1) preferentially deforms, encircle the art apparatus (18) of stopping, reach the effect of sealing.And when operating theater instruments (18) when rocking, also rocked together by the Support (2) that yielding groove is cut apart, and the sealing ring that yielding groove (1) forms is still encircled the art apparatus (18) of stopping, and remains sealing state, and good especially movable sealing effect is arranged.Particularly the thickness δ of yielding groove is little, not only movable sealing effect, and also the operating theater instruments resistance of motion is little, makes things convenient for the doctor to operate.The general radial direction seal ring of the present invention's grooved (10) has been taken into account the sealing effectiveness and the operating theater instruments resistance of motion, has realized harmony, has overcome the radial direction seal ring radial seal of prior art when effective, and the resistance of motion of operating theater instruments is just big; And the resistance of motion of operating theater instruments hour, the radial seal effect is with regard to poor defective.The present invention's sealing ring can be widely used in the perforator of laparoscopic surgery.With reference to Figure 16, Figure 24, Figure 25.
In addition, the guide part of the Support of the present invention's radial direction seal ring (2) is divided into cone structure, not only has guide function, and outwards returns the function that prevents skull patch when removing in addition in operating theater instruments.The skull patch of radial direction seal ring can increase operating theater instruments greatly and return resistance when removing, and the present invention's sealing ring the skull patch phenomenon can not occur because the existence of Support (2) is arranged.
Adopt the present invention's sealing ring, can insert the operating theater instruments that diameter is 10mm or 5mm arbitrarily, and keep good dynamic sealing performance.
This structure can also realize that diameter is any replacing between 12mm, 10mm and the 5mm operating theater instruments; Operating theater instruments between 15mm, 12mm, 10mm and the 5mm is changed arbitrarily; And 10mm, 12mm and 15mm between operating theater instruments change arbitrarily, its key point is to be provided with the diameter of the thickness δ and the through hole (3) of suitable yielding groove.
Embodiment 2: the manufacturing of the present invention's 2 channel gaskets
The know-why of present embodiment is with embodiment 1, and difference only is only to be provided with 2 yielding grooves (1) at sealing ring, and these 2 yielding grooves (1) are connected with 2 Support (2) with guide effect successively.
Embodiment 3: the manufacturing of the present invention's 3 channel gaskets
The know-why of present embodiment is with embodiment 1, and difference only is only to be provided with 3 yielding grooves (1) at sealing ring, and these 3 yielding grooves (1) are connected with 3 Support (2) with guide effect successively.
Embodiment 4: the present invention's of yielding groove the manufacturing of 4 channel gaskets oppositely is set
The know-why of present embodiment is with embodiment 1, difference only is only to be provided with at the back side of sealing ring 4 yielding grooves (1), these 4 yielding grooves (1) are connected with 4 Support (2) with guide effect successively, and can't see yielding groove (1) in the front of sealing ring.
Embodiment 5: the manufacturing of the present invention's check valve
The manufacture method of present embodiment is identical with embodiment 1, and its difference is that the structure of check valve (12) is different with the structure of embodiment 1 described radial direction seal ring (10).The check valve of present embodiment (12) is made up of otch (121), the afterburning muscle (122) of side direction, raised ribs (123), funnel surface (124), reinforcement (125), passage (126); Form the passage (126) that can allow carbon dioxide pass through between 2 pairs of raised ribs (123), the elastic force that interference fit between the installation cavity on the epitheca pipe (11) of while raised ribs (123) and perforator forms, be delivered to funnel surface (124) through the afterburning muscle of side direction (122), form seal force otch (121).The check valve of this structure (12) except carbon dioxide air pressure forms seal force to otch (121), has also increased the seal force to otch (121) that the elastic force of the afterburning muscle of side direction (122) forms, good sealing effect.Referring to figures 20 through Figure 23.
Embodiment 6: the manufacturing of the present invention's check valve fixed mount
The supporting surface (131) of the fixed mount (13) of check valve is kept the radian that matches with the funnel surface (124) of check valve (12), and the cooperation fit tolerance W of control after assembling be between 0～0.8mm, its optimum is between 0.1mm～0.5mm.The general processing technique of employing plastics can produce the present invention's check valve fixed mount (13).
Like this, when operating theater instruments is passed in and out in check valve, because the supporting surface (131) of the fixed mount (13) of check valve coincide with check valve funnel surface (124) shape, coupling, supporting surface (131) can effectively be adjusted the shape of funnel surface (124), improve the identical situation of the otch of check valve, prevent the generation of skull patch phenomenon, improve the sealing effectiveness after operating theater instruments is extracted out.With reference to Figure 17 to Figure 19.
Embodiment 7: the present invention's perforator.
Sealing ring (10), check valve (12), the epitheca pipe (11) of perforator, the fixed mount (13) of check valve, the valve (14), 15 of making the present invention successively are loam cake (15), briquetting (16).Wherein the present invention's sealing ring (10), check valve (12) adopt the medical grade rubber manufacturing, and the fixed mount (13) of the epitheca pipe (11) of perforator, check valve, valve (14), 15 to be loam cake (15), briquetting (16) adopt injection molding, the anti-skidding stricture of vagina (17) on the perforator epitheca pipe directly injection mo(u)lding on the epitheca pipe (11) of perforator.Assemble successively according to design, promptly obtained the present invention's perforator.Referring to figures 16 to Figure 27.
Because the present invention has adopted the fixed mount (13) of check valve to be provided with the supporting surface (131) that matches with the funnel surface (124) of check valve (12), supporting surface (131) is close to the structure of funnel surface (124), when operating theater instruments is passed in and out in check valve, because the supporting surface (131) of the fixed mount (13) of check valve coincide with check valve funnel surface (124) shape, coupling, supporting surface (131) can effectively be adjusted the shape of funnel surface (124), improve the identical situation of the otch of check valve, prevent the generation of skull patch phenomenon, the sealing effectiveness after the raising operating theater instruments is extracted out and the reliability of perforator.Add the specially designed radial direction seal ring with yielding groove of the present invention, the present invention's perforator has realized that also diameter is any replacing between 10mm and the 5mm operating theater instruments, and not only movable sealing is effective, and the operating theater instruments resistance of motion is little.
Should be noted that herein openly can replace with the identical structure of other effect that the embodiment that the present invention introduced simultaneously realizes unique structure of the present invention with the structure of explanation.Though preferential embodiment of the present invention is introduced in this article and is illustrated; but those skilled in the art know and know that these embodiment illustrate; those skilled in the art can make countless variations, improvement and replacement; and can not break away from the present invention; therefore, should be according to the next qualification protection scope of the present invention of the spirit and scope of appending claims of the present invention.
Claims (13)
1. high-reliability puncture outfit, described perforator includes the anti-skidding stricture of vagina (17) on the fixed mount (13), loam cake (15), perforator epitheca pipe of epitheca pipe (11), check valve (12), the check valve of radial direction seal ring (10), perforator, the fixed mount of check valve (13) is provided with the supporting surface (131) that matches with the funnel surface (124) of check valve (12), supporting surface (131) is close to funnel surface (124), it is characterized in that: radial direction seal ring (10) is provided with yielding groove (1), has the Support (2) and the through hole (3) of guide effect; Be connected by yielding groove (1) between the Support (2), the edge of yielding groove (1) is connected with through hole (3); The maximum ga(u)ge of Support (2) is greater than 2 times of the thickness δ of yielding groove (1).
2. according to the described high-reliability puncture outfit of claim 1, it is characterized in that fit tolerance W between described supporting surface (131) and the funnel surface (124) is between 0～0.8mm.
3. according to the described high-reliability puncture outfit of claim 2, it is characterized in that: the fit tolerance W between described supporting surface (131) and the funnel surface (124) is between 0.1mm～0.5mm.
4. according to the described high-reliability puncture outfit of claim 1, the thickness δ that it is characterized in that described yielding groove (1) is between 0.1mm～1.2mm.
5. according to the described high-reliability puncture outfit of claim 4, it is characterized in that: the thickness δ of described yielding groove (1) is between 0.3mm～0.7mm.
6. according to the described high-reliability puncture outfit of claim 1, it is characterized in that the yielding groove (1) of radial direction seal ring (10) is provided with 2 or 3 or 4, be distributed on the radial direction seal ring (10).
7. according to the described high-reliability puncture outfit of claim 1, the guiding angle [alpha] of Support (2) that it is characterized in that having on the described radial direction seal ring (10) guide effect is between 40 °～80 °.
8. according to the described high-reliability puncture outfit of claim 7, the guiding angle [alpha] of Support (2) that it is characterized in that having on the described radial direction seal ring (10) guide effect is between 55 °～75 °.
9. according to the described high-reliability puncture outfit of claim 1, it is characterized in that the Support with guide effect (2) of described radial direction seal ring (10) is provided with superslide material coating (21).
10. according to the described high-reliability puncture outfit of claim 1, the diameter that it is characterized in that described through hole (3) is between 3mm～4.8mm.
11. according to the described high-reliability puncture outfit of claim 10, the diameter that it is characterized in that described through hole (3) is between 3.5mm～4.2mm.
12. according to the described high-reliability puncture outfit of claim 1, it is characterized in that described radial direction seal ring (10) and check valve (12) adopt the medical elastic material manufacture, include but not limited to: medical silica-gel, medical grade rubber, medical polyurethane, medical latex and their combination.
13., it is characterized in that described high-reliability puncture outfit is provided with the convenient briquetting of installing (16) between loam cake (15) and radial direction seal ring (10) according to the described high-reliability puncture outfit of claim 1.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100369903A CN101474089B (en) | 2009-01-23 | 2009-01-23 | High-reliability puncture outfit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100369903A CN101474089B (en) | 2009-01-23 | 2009-01-23 | High-reliability puncture outfit |
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| CN101474089A CN101474089A (en) | 2009-07-08 |
| CN101474089B true CN101474089B (en) | 2010-12-29 |
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| CN2009100369903A Active CN101474089B (en) | 2009-01-23 | 2009-01-23 | High-reliability puncture outfit |
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Families Citing this family (16)
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| CN101480354A (en) * | 2009-01-23 | 2009-07-15 | 周星 | Tank-type general purpose type radial seal ring for puncture outfit and puncture outfit |
| CN102525600B (en) * | 2010-12-14 | 2016-06-22 | 周星 | The all-purpose sealed device of lower resistance and perforator for perforator |
| CN102551845B (en) * | 2010-12-21 | 2016-03-02 | 周星 | For annular sealing device and the perforator of perforator |
| CN102551842B (en) * | 2010-12-24 | 2016-03-02 | 刘衍民 | Hard mirror stone taking device |
| CN104127224A (en) * | 2013-05-03 | 2014-11-05 | 张令天 | High-elasticity channel valve and application thereof |
| CN103800078B (en) * | 2014-02-28 | 2016-01-06 | 无锡市舒康医疗器械有限公司 | Disposable incision protective sleeve |
| CN105615954B (en) * | 2014-11-08 | 2018-10-12 | 广州迪克医疗器械有限公司 | Puncture outfit containing silencing means |
| CN105596061A (en) * | 2016-02-23 | 2016-05-25 | 常州威克医疗器械有限公司 | Disposable puncture outfit sealing device |
| CN106510774B (en) * | 2016-08-02 | 2018-06-29 | 成都五义医疗科技有限公司 | A kind of polygonal puncture outfit diaphragm seal containing groove |
| CN106108986B (en) * | 2016-08-02 | 2017-09-22 | 成都五义医疗科技有限公司 | A kind of diaphragm seal and component comprising groove |
| CN106137339B (en) * | 2016-08-02 | 2018-06-29 | 成都五义医疗科技有限公司 | A kind of puncture outfit diaphragm seal of improved fold-type |
| CN106037899B (en) * | 2016-08-02 | 2017-09-22 | 成都五义医疗科技有限公司 | A kind of puncture outfit diaphragm seal comprising inverted groove |
| CN106137340B (en) | 2016-08-02 | 2017-08-25 | 成都五义医疗科技有限公司 | A kind of puncture outfit diaphragm seal containing groove structure |
| CN106037898B (en) * | 2016-08-02 | 2017-08-25 | 成都五义医疗科技有限公司 | It is a kind of can overall varus puncture outfit sealing system |
| CN105997205B (en) | 2016-08-02 | 2017-09-22 | 成都五义医疗科技有限公司 | A kind of puncture outfit diaphragm seal and component comprising positive and negative groove |
| CN109106429B (en) * | 2018-08-22 | 2020-07-10 | 青岛市中心医院 | Pelvic floor operation puncture outfit for internal medicine operation |
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| CN1907513A (en) * | 2006-07-31 | 2007-02-07 | 周泰立 | One-way valve for puncture outfit |
| CN101259030A (en) * | 2008-04-18 | 2008-09-10 | 周星 | Puncture device general purpose type radial direction seal ring and puncture device |
| CN201389063Y (en) * | 2009-01-23 | 2010-01-27 | 周星 | Puncture outfit with high reliability |
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| CN1907513A (en) * | 2006-07-31 | 2007-02-07 | 周泰立 | One-way valve for puncture outfit |
| CN101259030A (en) * | 2008-04-18 | 2008-09-10 | 周星 | Puncture device general purpose type radial direction seal ring and puncture device |
| CN201389063Y (en) * | 2009-01-23 | 2010-01-27 | 周星 | Puncture outfit with high reliability |
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| CN101474089A (en) | 2009-07-08 |
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