CN201389062Y - Universal trough type radial gasket ring for puncture outfit and puncture outfit - Google Patents
Universal trough type radial gasket ring for puncture outfit and puncture outfit Download PDFInfo
- Publication number
- CN201389062Y CN201389062Y CN200920050807U CN200920050807U CN201389062Y CN 201389062 Y CN201389062 Y CN 201389062Y CN 200920050807 U CN200920050807 U CN 200920050807U CN 200920050807 U CN200920050807 U CN 200920050807U CN 201389062 Y CN201389062 Y CN 201389062Y
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- perforator
- radial direction
- support
- easy
- sealing ring
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Abstract
The utility model discloses a universal trough type radial gasket ring for a puncture outfit and a puncture outfit. An easy-to-deform groove, support zones with guiding function and a through hole are arranged on the radial gasket ring, the support zones of the gasket ring are connected through the easy-to-deform groove, and the thickness of the easy-to-deform groove is much smaller than the average thickness of the support zones, so when a surgical instrument is inserted along the tapered guide troughs of the support zones, since the wall of the easy-to-deform groove is thin, the easy-to-deform deforms first to embrace the surgical instrument to reach the sealing effect. When the surgical instrument shakes, the support zones divided by the easy-to-deform groove shake along with the surgical instrument, and the gasket ring formed by the easy-to-deform groove can still embrace the surgical instrument to maintain the sealing all the time, therefore, the gasket ring has extremely good dynamic sealing effect. Particularly, the thickness of the easy-to-deform is small, so the dynamic sealing effect is good and the motion resistance of the surgical instrument is small. The puncture outfit realizes the free replacement of surgical instruments with diameters of 12mm, 10mm and 5mm and provides convenience for the operation.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, particularly relates to the sealing ring that the perforator that uses in the peritoneoscope micro-wound surgical operation and perforator use.
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.Radial direction seal ring 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 the radial direction seal ring of needs improvement perforator, to reach the operating theater instruments that on the perforator of 10mm, can use 10mm, also can use the operating theater instruments of 5mm, and need not to use conversion sheath pipe, reach general purpose.
Summary of the invention
The general purpose type radial direction seal ring that the purpose of this utility model has been to provide a kind of perforator to use, its delicate structure, reliability height, low, the good sealing effect of cost.
The core concept of the present invention's technical scheme is a yielding groove very thin after on the radial direction seal ring wall being set, the resistance of motion was little when operating theater instruments was inserted, and preventing sealing ring, the existing suitable intensity in Support of the sealing ring of being cut apart by yielding groove returns skull patch when removing in operating theater instruments, have and to reach the effect of sealing with the rocking and encircle the art apparatus of stopping all the time of operation apparatus.
The general radial direction seal ring of grooved that is used for perforator, described sealing ring are provided with yielding groove, have the Support and the through hole of guide effect; Be connected by yielding groove between the Support, the edge of yielding groove is connected with through hole; The maximum ga(u)ge of Support is greater than 2 times of the thickness δ of yielding groove.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.
Further, the thickness δ of described yielding groove is between 0.1mm～1.2mm, and the optimum of its thickness δ is between 0.3mm～0.7mm.
The yielding groove of described sealing ring is provided with 2 or 3 or 4, is distributed on the sealing ring, and the movable sealing effect of sealing ring that wherein is provided with 4 yielding grooves is best.
The diameter of described through hole is between 3mm～4.8mm, and its optimum is between 3.5mm～4.2mm.
The guiding angle [alpha] of Support that has guide effect on the described sealing ring is between 40 °～80 °, and its optimum is between 55 °～75 °.
The Support with guide effect of described sealing ring is provided with the superslide material coating.The superslide material coating adopts the water wetted material manufacturing usually, also can adopt the material manufacture of self-lubricating function.
Described sealing ring adopts the medical elastic material manufacture, includes but not limited to: medical silica-gel, medical grade rubber, medical polyurethane, medical latex and their combination.Described sealing ring can adopt the commaterial manufacturing, also can adopt the different materials manufacturing.
This utility model also comprises perforator, and described perforator has adopted the general radial direction seal ring of the grooved of this utility model.
The check valve fixed mount of described perforator is provided with the supporting surface that matches with the funnel surface of check valve, and the check valve funnel surface is close to the supporting surface on the fixed mount.Supporting surface on the fixed mount can effectively keep the shape of check valve funnel surface, improves the sealing property of check valve, and the sealing property behind the apparatus work is particularly arranged.
Because this utility model is provided with yielding groove, has the Support and the through hole of guide effect on radial direction seal ring, be connected by yielding groove between the Support of sealing ring, and the thickness of yielding groove is much smaller than the average thickness of Support, 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.The general radial direction seal ring of the grooved of this utility model 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 sealing ring of this utility model can be widely used in the perforator of laparoscopic surgery.
In addition, the cone of the Support of the radial direction seal ring of this utility model 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 sealing ring of this utility model the skull patch phenomenon can not occur because the existence of Support is arranged.
Adopt the sealing ring of this utility model, 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.
Description of drawings
Fig. 1 is the structural representation of 4 channel gaskets of this utility model.
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 another 4 channel gasket of this utility model.
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 2 channel gaskets of this utility model.
Figure 10 is the structural representation of 3 channel gaskets of this utility model.
Figure 11 is the structural representation of channel gasket of the Support band superslide material coating of this utility model.
The yielding groove of Figure 12 this utility model is arranged on the Facad structure sketch map 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 perforator of this utility model.This perforator has used the sealing ring of this utility model.
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 perforator of this utility model of Figure 16 is assembled.
Figure 25 is the structural representation after the perforator of Figure 24 inserts operating theater instruments.
Among the above-mentioned figure:
1 for yielding groove, 2 is that the Support, 3 with guide effect is that through hole, δ are the thickness of yielding groove, and α is the guiding angle of the cone of Support.
10 be this utility model sealing ring, 11 for the epitheca pipe of perforator, 12 for check valve, 13 for the fixed mount of check valve, 14 for valve, 15 for loam cake, 16 for briquetting, 17 for the anti-skidding stricture of vagina on the perforator epitheca pipe, 18 be operating theater instruments.
21 is the superslide material coating on the Support.
121 is that otch, 122 on the check valve is the passage on the check valve for the reinforcement on the check valve, 126 for the funnel surface on the check valve, 125 for the raised ribs on the check valve, 124 for the afterburning muscle of the side direction on the check valve, 123.
131 is check valve fixed mount upper support face.
The specific embodiment
Embodiment 1: 4 channel gaskets of this utility model
Technical scheme design elements drawing according to this utility model.Center at the sealing ring (10) of this utility model is provided with through hole (3), and through hole (3) is used for the turnover of operating theater instruments; On the sealing ring (10) of this utility model, 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 the sealing ring of this this utility model, can produce the sealing ring of this utility model 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 sealing ring of this utility model 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 sealing ring (10) of this utility model, 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 grooved of this utility model (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 sealing ring of this utility model 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 radial direction seal ring of this utility model (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 sealing ring of this utility model the skull patch phenomenon can not occur because the existence of Support (2) is arranged.
Adopt the sealing ring of this utility model, 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: 2 channel gaskets of this utility model
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: 3 channel gaskets of this utility model
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: 4 channel gaskets of this utility model of yielding groove oppositely are 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 perforator of this utility model.
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 this utility model successively are loam cake (15), briquetting (16).Wherein the sealing ring of this utility model (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 perforator of this utility model.Referring to figures 16 to Figure 25.
Should be noted that herein openly can replace with the identical structure of other effect that the embodiment that while this utility model is introduced realizes unique structure of the present utility model with the structure of explanation.Though preferential embodiment of the present utility model 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 this utility model; therefore, should be according to the next qualification protection domain of the present utility model of the spirit and scope of this utility model appending claims.
Claims (12)
1, the general radial direction seal ring of grooved that is used for perforator is characterized in that described sealing ring 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 general radial direction seal ring of grooved that is used for perforator of claim 1, the thickness δ that it is characterized in that described yielding groove (1) is between 0.1mm～1.2mm.
3, according to the described general radial direction seal ring of grooved that is used for perforator of claim 2, the thickness δ that it is characterized in that described yielding groove (1) is between 0.3mm～0.7mm.
4, according to the described general radial direction seal ring of grooved that is used for perforator of claim 1, it is characterized in that the yielding groove (1) of described sealing ring is provided with 2 or 3 or 4, be distributed on the sealing ring.
5, according to the described general radial direction seal ring of grooved that is used for perforator of claim 1, the guiding angle [alpha] of Support (2) that it is characterized in that having on the described sealing ring guide effect is between 40 °～80 °.
6, according to the described general radial direction seal ring of grooved that is used for perforator of claim 5, the guiding angle [alpha] of Support (2) that it is characterized in that having on the described sealing ring guide effect is between 55 °～75 °.
7,, it is characterized in that described sealing ring adopts the medical elastic material manufacture according to the described general radial direction seal ring of grooved that is used for perforator of claim 1.
8, according to the described general radial direction seal ring of grooved that is used for perforator of claim 1, it is characterized in that the Support with guide effect (2) of described sealing ring is provided with superslide material coating (21).
9, according to the described general radial direction seal ring of grooved that is used for perforator of claim 1, the diameter that it is characterized in that described through hole (3) is between 3mm～4.8mm.
10, according to the described general radial direction seal ring of grooved that is used for perforator of claim 9, the diameter that it is characterized in that described through hole (3) is between 3.5mm～4.2mm.
11, perforator is characterized in that comprising the general radial direction seal ring of the described grooved of claim 1.
12,, it is characterized in that the check valve fixed mount (13) of described perforator is provided with the supporting surface (131) that matches with the funnel surface (124) of check valve (12) according to the described perforator that is used for of claim 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920050807U CN201389062Y (en) | 2009-01-23 | 2009-01-23 | Universal trough type radial gasket ring for puncture outfit and puncture outfit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920050807U CN201389062Y (en) | 2009-01-23 | 2009-01-23 | Universal trough type radial gasket ring for puncture outfit and puncture outfit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201389062Y true CN201389062Y (en) | 2010-01-27 |
Family
ID=41595876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920050807U Expired - Lifetime CN201389062Y (en) | 2009-01-23 | 2009-01-23 | Universal trough type radial gasket ring for puncture outfit and puncture outfit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201389062Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107115135A (en) * | 2017-06-12 | 2017-09-01 | 常州艾隆精密机械有限公司 | It is a kind of that there is the abdominal cavity puncture outfit for improving seal assembly |
-
2009
- 2009-01-23 CN CN200920050807U patent/CN201389062Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107115135A (en) * | 2017-06-12 | 2017-09-01 | 常州艾隆精密机械有限公司 | It is a kind of that there is the abdominal cavity puncture outfit for improving seal assembly |
| CN107115135B (en) * | 2017-06-12 | 2019-12-17 | 常州艾隆精密机械有限公司 | abdominal cavity puncture outfit with improved sealing assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100127 |
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| CX01 | Expiry of patent term |