CN202408985U - Rotatable sealing ring assembly in puncture outfit - Google Patents
Rotatable sealing ring assembly in puncture outfit Download PDFInfo
- Publication number
- CN202408985U CN202408985U CN2011205676510U CN201120567651U CN202408985U CN 202408985 U CN202408985 U CN 202408985U CN 2011205676510 U CN2011205676510 U CN 2011205676510U CN 201120567651 U CN201120567651 U CN 201120567651U CN 202408985 U CN202408985 U CN 202408985U
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- sealing ring
- spherical sealing
- clamping shell
- ball bowl
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Abstract
The utility model relates to a rotatable sealing ring assembly in a puncture outfit, which comprises a spherical sealing ring (8) and is characterized in that the inner surface and the outer surface of the spherical sealing ring (8) are rugged non-continuous smooth surfaces. The rotatable sealing ring assembly also comprises a pair of buckled ball bowl-shaped inner clamping shell (5) and a ball bowl-shaped outer clamping shell (1), wherein the two clamping shells are buckled to form a cavity which corresponds to the upper-half part of the spherical sealing ring (8), and the upper-half part of the spherical sealing ring (8) is arranged in the cavity and is fixed and clamped between the two clamping shells. The utility model has the beneficial effects that in an operation process, when a surgical instrument randomly swings, the spherical sealing ring can not randomly rotate due to the swinging of the instrument, so that an orifice of a circular channel of the spherical sealing ring deforms to be incapable of being sealed with the surgical instrument, thus the defect of gas leakage in enterocoelia of a human body is caused.
Description
Technical field
This utility model relates to and belongs to an assembly in the medical apparatus and instruments, and rotatable sealing coil assembly in the especially disposable use abdominal paracentesis device has effectively stoped in operation process the leakage of CO2 gas in the human abdominal cavity that the swing owing to operating theater instruments causes.
Background technology
Present peritoneoscope Minimally Invasive Surgery, general open abdomen before this, an operation passage is built up in the back puncture.The CO2 gas that reinjects is set up the human body pneumoperitoneum, and the doctor carries out laparoscopic surgery under laparoscopically monitoring system.Perforator is made up of several parts such as spherical gas sealing member, three flap seal valves, black box gland, housing and puncture needles.Perforator is used with apparatus in operation.But in operation, when operating theater instruments is swung arbitrarily,, thereby cause Intraabdominal gas to leak because the spherical sealing element in the perforator can't be to the CO2 gas effective seal in the human abdominal cavity.
The utility model content
The purpose of this utility model is exactly in order to overcome the defective of prior art; And rotatable sealing coil assembly in a kind of perforator is provided; Overcome in operation process, spherical sealing ring can not rotate arbitrarily with the swing of apparatus when operating theater instruments is swung arbitrarily, makes the orifice deformation of spherical sealing ring circular channel; Can't seal with operating theater instruments, cause the defective that gas leaks in the human abdominal cavity.
This utility model solves the technical scheme that its technical problem adopted:
Rotatable sealing coil assembly in the perforator; Comprise spherical sealing ring; It is characterized in that: the surfaces externally and internally of described spherical sealing ring is rough discontinuous smooth surface; Also comprise the interior clamping shell of ball bowl-type and the outer clamping shell of ball bowl-type of a pair of fastening, two clamping shells fasten the back and form one and the corresponding die cavity of the spherical sealing ring first half, and the described spherical sealing ring first half places in the die cavity and is fixed and is clamped between the two clamping shells.
Inside and outside ball bowl-type clamping shell plays the location and installation to spherical sealing ring.Spherical sealing ring self can't rotate, because spherical sealing ring is installed in the ball bowl-type clamping shell, when operating theater instruments was swung arbitrarily, masterpiece was used for spherical sealing ring, had spherical sealing ring to drive spherical clamping shell and rotated arbitrarily.Thereby make the passage aperture and the operating theater instruments of spherical sealing ring remain sealing.
Spherical sealing ring is to form with resilient processing of high molecular material.
On the basis of above-mentioned main technical schemes, can increase following further perfect technical scheme:
The outer surface middle part of described spherical sealing ring has annular groove, and the slip-off preventing groove can effectively stop spherical sealing ring from the inside and outside clamping shell of ball bowl-type, to come off, and can play correct location again when mounted.
The outer clamping shell medial surface bottom of described ball bowl-type is provided with annular boss one.
Clamping shell lateral surface bottom is provided with annular boss two in the described ball bowl-type.
It is that the boss of wedge shape cooperates with the upper surface of clamping shell in the ball bowl-type around the cross section that axis is uniformly distributed with that the inboard, last ora terminalis below of the outer clamping shell of described ball bowl-type has one group; Slip-off preventing annular boss in the spherical inside and outside clamping shell; Play and prevent that spherical sealing ring is under the active force that receives the operating theater instruments insertion or extract; From the inside and outside clamping shell of ball bowl-type, come off, simultaneously correct location is done in the installation of spherical sealing ring.
Be provided with two symmetrically arranged grooves that convex to form between two boss of the outer clamping shell of described ball bowl-type; In the ball bowl-type clamping shell on below the ora terminalis outside have one group of convex tendon that is uniformly distributed with around axis; In the clamping shell six shape boss directly outward in straight connected in star and the ball bowl-type in two in the outer clamping shell of ball bowl-type play preventing that after assembling endosphere shape grip slipper from rotating freely and cause the effect of spherical seal ring displacement.
Described spherical sealing ring medial surface bottom is provided with one group of inner convex rib that is uniformly distributed with around axis.
Described spherical sealing ring lateral surface bottom is provided with one group of outer convex rib that is uniformly distributed with around axis.
Each increases auxiliary muscle at the inside and outside wall of spherical sealing ring, and one can increase the intensity around the spherical sealing ring circular channel aperture, makes it when operating theater instruments is swung arbitrarily, and spherical sealing ring passage aperture is indeformable, keeps sealing all the time with operating theater instruments.Two reduce operating theater instruments when inserting or extracting with the frictional force in spherical sealing ring passage aperture, the sphere sealing ring is routed up backward in the time of can stoping operating theater instruments to be extracted.
Below in conjunction with accompanying drawing and embodiment this utility model is further specified.
Description of drawings:
Fig. 1 is the outer grip slipper view of this utility model;
Fig. 2 is the interior grip slipper view of this utility model;
Fig. 3 is the spherical sealing ring view of this utility model;
Fig. 4 is the front view of this utility model;
Fig. 5 is the installation diagram of this utility model.
The specific embodiment
Like Fig. 3 and shown in Figure 4; Rotatable sealing coil assembly in this utility model perforator comprises spherical sealing ring 8, and the surfaces externally and internally of spherical sealing ring 8 is rough discontinuous smooth surface; The outer surface middle part of preferred described spherical sealing ring 8 has annular groove 9; Described spherical sealing ring 8 lateral surface bottoms are provided with the outer convex rib 10 that ten six roots of sensation are uniformly distributed with around axis, and described spherical sealing ring 8 medial surface bottoms are provided with ten six roots of sensation around the inner convex rib 11 that axis is uniformly distributed with, and also comprise the interior clamping shell 5 of ball bowl-type and the outer clamping shell 1 of ball bowl-type of a pair of fastening; As shown in Figure 1; The last ora terminalis below of the outer clamping shell 1 of described ball bowl-type is inboard, and to have six be that the boss 3 of wedge shape cooperates formation to be fastened and connected with the upper surface of clamping shell 5 in the ball bowl-type around the cross section that axis is uniformly distributed with, and 3 of two boss of clamping shell 1 are provided with the grooves of two symmetrically arranged protruding 4 formation outside the described ball bowl-type, and described groove can be symmetrical set; As shown in Figure 2; In the ball bowl-type clamping shell 5 on below the ora terminalis outside have six convex tendons 6 that are uniformly distributed with around axis, play preventing that after assembling clamping shell 5 rotates freely in the ball bowl-type, the outer clamping shell 1 medial surface bottom of described ball bowl-type is provided with annular boss 1; Two clamping shells fasten the back and form one and the corresponding die cavity of the spherical sealing ring first half; Described spherical sealing ring 8 first halves place in the die cavity and are fixed and are clamped between the two clamping shells, and clamping shell 5 lateral surface bottoms are provided with annular boss 27 in the described ball bowl-type, can play further clamping action to spherical sealing ring 8.
As shown in Figure 5, this utility model rotatable sealing coil assembly is used for the abdominal paracentesis device, and the abdominal paracentesis device includes compressing of fixing rotatable spherical seal ring assembly and locatees cover piece 12, three flap seal valve members 14, puncturing lever 15, rotatable spherical black box 13.The main effect that compresses the location cover piece is the correct location that guarantees rotatable spherical seal ring assembly, stop its in the axial direction free play and guarantee the sealing of inside and outside ball bowl-type clamping shell sphere.
When puncturing lever inserts spherical sealing ring circular channel aperture, the otch of three flap seal valves will be opened, and this moment, three flap seal valves did not seal, and leaned on spherical sealing ring circular channel aperture and puncturing lever sealing, stoped the leakage of intraperitoneal gas.
When the puncturing lever taking-up is replaced with the apparatus operation; Because not exclusively confirming of needs in the abdominal operation and intraperitoneal surgery location; Any swing that operating theater instruments can not stopped; The oscillatory forces of operating theater instruments acts on the spherical sealing ring, and spherical sealing ring is fixed in the spherical inside and outside grip slipper, can't rotate.The inside and outside clamping shell of spherical sealing ring drive ball bowl-type this moment rotates along with any swing of operating theater instruments, and the circular channel aperture of spherical sealing ring keeps sealing with operating theater instruments all the time at this moment, has effectively stoped the leakage of intraperitoneal gas.
Claims (8)
1. rotatable sealing coil assembly in the perforator; Comprise spherical sealing ring (8); It is characterized in that: the surfaces externally and internally of described spherical sealing ring (8) is rough discontinuous smooth surface; Also comprise the interior clamping shell (5) of ball bowl-type and the outer clamping shell (1) of ball bowl-type of a pair of fastening, two clamping shells fasten the back and form one and the corresponding die cavity of spherical sealing ring (8) first half, and described spherical sealing ring (8) first half places in the die cavity and is fixed and is clamped between the two clamping shells.
2. rotatable sealing coil assembly in the perforator according to claim 1 is characterized in that: the outer surface middle part of described spherical sealing ring (8) has annular groove (9).
3. rotatable sealing coil assembly in the perforator according to claim 2 is characterized in that: outer clamping shell (1) the medial surface bottom of described ball bowl-type is provided with annular boss one (2).
4. rotatable sealing coil assembly in the perforator according to claim 3 is characterized in that: clamping shell (5) lateral surface bottom is provided with annular boss two (7) in the described ball bowl-type.
5. rotatable sealing coil assembly in the perforator according to claim 1 is characterized in that: it is that the boss (3) of wedge shape cooperates with the upper surface of interior clamping shell (5) around the cross section that axis is uniformly distributed with that the inboard, last ora terminalis below of the outer clamping shell of described ball bowl-type has one group.
6. rotatable sealing coil assembly in the perforator according to claim 5; It is characterized in that: be provided with the groove that two symmetrically arranged convexities (4) form between two boss (3) of the outer clamping shell (1) of described ball bowl-type, the outside, last ora terminalis below of clamping shell (5) has one group of convex tendon that is uniformly distributed with around axis (6) in the ball bowl-type.
7. rotatable sealing coil assembly in the perforator according to claim 1 and 2 is characterized in that: described spherical sealing ring (8) medial surface bottom is provided with one group of inner convex rib that is uniformly distributed with around axis.
8. rotatable sealing coil assembly in the perforator according to claim 1 and 2 is characterized in that: described spherical sealing ring (8) lateral surface bottom is provided with one group of outer convex rib that is uniformly distributed with around axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205676510U CN202408985U (en) | 2011-12-30 | 2011-12-30 | Rotatable sealing ring assembly in puncture outfit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205676510U CN202408985U (en) | 2011-12-30 | 2011-12-30 | Rotatable sealing ring assembly in puncture outfit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202408985U true CN202408985U (en) | 2012-09-05 |
Family
ID=46733778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205676510U Withdrawn - After Issue CN202408985U (en) | 2011-12-30 | 2011-12-30 | Rotatable sealing ring assembly in puncture outfit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202408985U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102429707A (en) * | 2011-12-30 | 2012-05-02 | 安徽奥弗医疗设备科技有限公司 | Turnable sealing ring assembly in puncture outfit |
| CN107049382A (en) * | 2017-06-12 | 2017-08-18 | 常州艾隆精密机械有限公司 | It is a kind of to rotate flexible, the abdominal cavity puncture outfit seal assembly of sealed reliable |
| CN107049383A (en) * | 2017-06-12 | 2017-08-18 | 常州艾隆精密机械有限公司 | A kind of air shuttle valve for abdominal cavity puncture outfit |
| CN107115137A (en) * | 2017-06-12 | 2017-09-01 | 常州艾隆精密机械有限公司 | A kind of seal assembly for abdominal cavity puncture outfit |
| CN107115136A (en) * | 2017-06-12 | 2017-09-01 | 常州艾隆精密机械有限公司 | A kind of abdominal cavity puncture outfit |
| 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 |
-
2011
- 2011-12-30 CN CN2011205676510U patent/CN202408985U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102429707A (en) * | 2011-12-30 | 2012-05-02 | 安徽奥弗医疗设备科技有限公司 | Turnable sealing ring assembly in puncture outfit |
| CN102429707B (en) * | 2011-12-30 | 2013-08-14 | 安徽奥弗医疗设备科技有限公司 | Turnable sealing ring assembly in puncture outfit |
| CN107049382A (en) * | 2017-06-12 | 2017-08-18 | 常州艾隆精密机械有限公司 | It is a kind of to rotate flexible, the abdominal cavity puncture outfit seal assembly of sealed reliable |
| CN107049383A (en) * | 2017-06-12 | 2017-08-18 | 常州艾隆精密机械有限公司 | A kind of air shuttle valve for abdominal cavity puncture outfit |
| CN107115137A (en) * | 2017-06-12 | 2017-09-01 | 常州艾隆精密机械有限公司 | A kind of seal assembly for abdominal cavity puncture outfit |
| CN107115136A (en) * | 2017-06-12 | 2017-09-01 | 常州艾隆精密机械有限公司 | A kind of abdominal cavity puncture outfit |
| 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 |
| CN107049382B (en) * | 2017-06-12 | 2019-12-17 | 常州艾隆精密机械有限公司 | Flexible-rotation reliable-sealing assembly for abdominal cavity puncture outfit |
| 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 | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120905 Effective date of abandoning: 20130814 |
|
| RGAV | Abandon patent right to avoid regrant |