CN209629771U - A kind of seal assembly and puncture outfit - Google Patents
A kind of seal assembly and puncture outfit Download PDFInfo
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- CN209629771U CN209629771U CN201821359026.5U CN201821359026U CN209629771U CN 209629771 U CN209629771 U CN 209629771U CN 201821359026 U CN201821359026 U CN 201821359026U CN 209629771 U CN209629771 U CN 209629771U
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- screening glass
- sealing
- hole
- seal assembly
- seal
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Abstract
The utility model relates to field of medical device; disclose a kind of seal assembly; including sealing; sealing is equipped with through-hole, further includes at least 6 screening glass, screening glass is located at the same side of sealing; and it is uniformly distributed along the circumferencial direction of through-hole; there is overlapped region, screening glass includes the protection portion along conical surface setting, and the inner side edge of protection portion surrounds formation guide hole corresponding with through-hole jointly between at least adjacent screening glass.The utility model protects sealing using at least 6 screening glass; compared with prior art; the distribution density of screening glass is bigger in the utility model; fitting between adjacent screening glass is more closely; so as to carry out comprehensive covering protection to sealing, reduce or even avoid instrument to puncture the risk of sealing.
Description
Technical field
The utility model relates to field of medical device, are sealed in laparoscopic surgery with instrument more particularly, to one kind
Connect seal assembly, and the puncture outfit using the seal assembly.
Background technique
Puncture outfit is one of laparoscopic surgery common tool, is first pierced into Aerating needle in the umbilical region of patient during operation,
Simultaneously to intraperitoneal injection gas, to expand abdominal space, abdominal cavity is then pierced by puncture outfit, forms channel, is convenient for hand
The operation of art, the importance of air-tightness is obvious in this process.In order to ensure patient abdomen in surgical procedure
Gas will not leak, and existing puncture outfit is designed with sealing structure, and what is sealed when sealing structure includes for there is surgical instrument is close
Non-return piece when sealing assembly is with for no surgical instrument, wherein seal assembly includes that center has round-meshed sealing, the circular hole
Diameter be slightly less than the outer diameter of instrument so that when instrument passes through circular hole sealing can with palette instrument outer wall.
Since sealing is softer, in order to avoid instrument punctures sealing, seal assembly further includes being covered on sealing
On screening glass, screening glass along circular hole circumferencial direction be distributed, on the one hand can be contacted to avoid instrument with sealing, another aspect
The circular hole on sealing can be entered with guide instrument, however most combinations for using four screening glass in the prior art, it is difficult
To carry out comprehensive covering protection to sealing, still there is the risk for puncturing sealing when protruding into instrument.
Utility model content
For overcome the deficiencies in the prior art, the utility model provides a kind of seal assembly, for solving in the prior art
It is difficult to the problem of comprehensive covering protection is carried out to sealing.
The utility model additionally provides a kind of puncture outfit.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of seal assembly, including sealing, sealing are equipped with through-hole, further include at least 6 screening glass, screening glass
It is uniformly distributed, has between at least adjacent screening glass overlapped positioned at the same side of sealing, and along the circumferencial direction of through-hole
Region, screening glass include along conical surface setting protection portion, it is corresponding with through-hole that the inner side edge of protection portion surrounds formation jointly
Guide hole.
Mode as a further improvement of the foregoing solution is protected in the first screening glass being along the circumferential direction arranged successively, second
In bluff piece and third screening glass, the first screening glass is located at the two sides of the second screening glass, and the first protection with third screening glass
There is overlapped region between piece, the second screening glass and third screening glass.
Mode as a further improvement of the foregoing solution, it is corresponding with through-hole that the inner side edge of each screening glass surrounds formation jointly
Guide hole.
Mode as a further improvement of the foregoing solution, screening glass include the protection portion along conical surface setting, protection portion
Inner side edge surround to form guide hole jointly.
Mode as a further improvement of the foregoing solution further includes upper cover, lower cover and support, along the circumferential direction sets on support
It is equipped with several mounting holes, several via holes is provided on sealing and screening glass, is stretched out respectively in upper cover and lower lid several
Grafting pin, upper cover and support are located at the same side of sealing, and the grafting pin of upper cover is inserted into admittedly after the via hole on screening glass
It is scheduled in the mounting hole of part, lower cover is located at the other side of sealing, and the grafting pin of lower cover is inserted after passing through the via hole on sealing
Enter to be fixed in the mounting hole of another part.
Mode as a further improvement of the foregoing solution, sealing include integral seal piece, and close positioned at monoblock type
The center of outer portion on the outside of mounting, integral seal piece is equipped with through-hole.
Mode as a further improvement of the foregoing solution further includes that integral seal piece is attached to relative to screening glass is another
The protective sheet of side.
Mode as a further improvement of the foregoing solution, sealing include multiple diaphragm seals, and are located on the outside of diaphragm seal
Outer portion, multiple diaphragm seals are along the circumferential direction distributed to have between adjacent seals piece overlapped around through-hole is formed
Region.
Mode as a further improvement of the foregoing solution, the section of outer portion are waveform.
A kind of puncture outfit, including above-mentioned seal assembly.
The beneficial effects of the utility model are:
The utility model protects sealing using at least 6 screening glass, compared with prior art, the utility model
The distribution density of middle screening glass is bigger, and the fitting between adjacent screening glass is more closely, complete square so as to carry out to sealing
The covering protection of position, reduces or even avoids instrument to puncture the risk of sealing.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the stereoscopic schematic diagram of the utility model seal assembly one embodiment；
Fig. 2 is the decomposition diagram of the utility model seal assembly one embodiment；
Fig. 3 is the superposition schematic diagram of screening glass；
Fig. 4 is the stereoscopic schematic diagram of the utility model screening glass one embodiment；
Fig. 5 is the stereoscopic schematic diagram of the utility model sealing one embodiment；
Fig. 6 is the cross-sectional view of the utility model seal assembly；
Fig. 7 is the decomposition diagram of second embodiment of the utility model seal assembly.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to the design of the utility model, specific structure and generation
Clear, complete description, to be completely understood by the purpose of this utility model, scheme and effect.It should be noted that not conflicting
In the case where, the features in the embodiments and the embodiments of the present application can be combined with each other.
It should be noted that unless otherwise specified, when a certain feature referred to as " fixation ", " connection " are in another feature,
It can directly fix, be connected to another feature, and can also fix, be connected to another feature indirectly.In addition, this
The descriptions such as up, down, left, right, before and after used in utility model are only relative to each composition portion of the utility model in attached drawing
For the mutual alignment relation divided.
In addition, unless otherwise defined, the technology of all technical and scientific terms used herein and the art
The normally understood meaning of personnel is identical.Term used in the description is intended merely to description specific embodiment herein, without
It is to limit the utility model.Term " and or " used herein includes appointing for one or more relevant listed items
The combination of meaning.
Referring to Fig.1, Fig. 2 respectively illustrates the stereoscopic schematic diagram and decomposition of the utility model seal assembly one embodiment
Schematic diagram.As shown, seal assembly includes upper cover 1, screening glass 2, support 3, sealing 4, guard assembly 5 and lower cover 6, wherein
Upper cover 1, support 3 and lower cover 6 for fix screening glass 2, sealing 4 and guard assembly 5, sealing 4 for realizing with instrument
It is tightly connected, screening glass 2 is then respectively used to protect the two sides of sealing 4 with guard assembly 5, avoids instrument interspersed
Sealing 4 is punctured in the process.
At least 6 screening glass 2, screening glass 2 is used in the utility model and is respectively positioned on the same side of sealing 4, and along close
The circumferencial direction of the through-hole interted in envelope portion 4 for instrument is uniformly distributed, and has overlapped area between adjacent screening glass 2
Domain, compared with prior art, the distribution density of screening glass 2 is bigger in the utility model, and the fitting between adjacent screening glass 2 is more
Closely, so as to carry out comprehensive covering protection to sealing, reduce or even avoid instrument to puncture the risk of sealing.
In addition, also being improved the lamination process of screening glass 2 in the present embodiment, (guarantor is illustrated only in figure referring to Fig. 3
The part of diaphragm seal on sealing is covered on bluff piece), specifically, by taking the three pieces screening glass 2 of arbitrary neighborhood as an example, it is pressed along row
Column sequence is successively named as the first screening glass 2a, the second screening glass 2b and third screening glass 2c, wherein the first screening glass 2a and the
Three screening glass 2c are located at the two sides of the second screening glass 2b, and most of region of the first screening glass 2a and the second screening glass 2b
Overlapping, the second screening glass 2b is Chong Die with most of region of third screening glass 2c, and the first screening glass 2a, the second screening glass 2b and
The region a (i.e. shadow region in figure) being mutually overlapped between third screening glass 2c with three.Due to adjacent screening glass 2
Join domain is easier to puncture risk, so the mode that kind repeats superposition can further increase the protection of join domain
Degree.
Referring to Fig. 4, the stereoscopic schematic diagram of the utility model screening glass one embodiment is shown.As shown, screening glass 2
It is the part mainly to shield including protection portion 21, interconnecting piece 22 and 23. protection portion 21 of mounting portion, is set along conical surface
It sets, in order to be bonded with the diaphragm seal of sealing 4, while multiple protection portion 21 can be around conical structure be formed, convenient for guidance
Instrument enters the through-hole on sealing 4.A side in protection portion 21 far from interconnecting piece 22 is inner side edge 211, multiple protection portion
21 inner side edge surrounds the guide hole to form guide instrument jointly.
Interconnecting piece 22 is connect with the bottom at the top of protection portion 21 and mounting portion 23 respectively, is arranged along Cylinder Surface.
Mounting portion 23 is fixed for realizing the installation of screening glass 2, is preferably horizontal flake structure, is provided with several via holes
231。
Referring to Fig. 5, the stereoscopic schematic diagram of the utility model sealing one embodiment is shown, carries out partial cutaway in figure
It cuts.As shown, sealing 4 includes diaphragm seal 41, interconnecting piece 42 and outer portion 43, diaphragm seal 41, interconnecting piece 42 and outer portion
43 integrally connecteds.Diaphragm seal 41 is the part mainly to seal, is in the present embodiment integral seal piece, along circular cone
Curved surface is above-mentioned through-hole around setting, i.e. generally funnel-form, the bottom of funnel, is additionally provided on diaphragm seal 41 several convex
Structure 411 is played, which can increase the elasticity and intensity of diaphragm seal 41, accelerate the recovery speed of diaphragm seal 411.
Interconnecting piece 42 is separately connected the outer ring of diaphragm seal 41 and the inner ring of outer portion 43, is provided with several via holes
421.The section of outer portion 43 is waveform, can increase the whole intensity of sealing 4 by reciprocal foldable structure, so that
Diaphragm seal 41 can be fitted closely with equipment surfaces, avoid gas leakage.
Referring to Fig. 6, the cross-sectional view of the utility model seal assembly is shown, and combines Fig. 1, support 3 is circular ring structure,
It is above peripherally disposed to have several mounting holes 31, several grafting pins is stretched out respectively on upper cover 1 and lower cover 6.When assembly, on
Lid 1 and support 3 are located at the same side of sealing 4, and support 3 is placed on the interconnecting piece 42 of sealing 4, the mounting portion of screening glass 2
23 between upper cover 1 and support 3, and to just, the grafting pin of upper cover 1 passes through the via hole 231 and part mounting hole 31 of mounting portion 23
Insertion is fixed in the part mounting hole 31 of support 3 after via hole 231 on screening glass 2, realizes gripping to screening glass 2.
Lower cover 6 is located at the other side of sealing 4, and insertion is fixed on support after the grafting pin of lower cover 6 passes through the via hole 421 on sealing 4
In 3 another part mounting hole 31, the fixation of support 3 and sealing 4 is realized.
Guard assembly 5 is set to the other side of sealing 4 with respect to screening glass 2, protects for the other side to sealing 4
Shield, guard assembly 5 are specific as shown in Figure 1, being the monoblock type protective sheet being attached on sealing 4, monoblock type protective sheet is along circular cone
Curved surface around setting, i.e., is similar funnel type with the diaphragm seal 41 of sealing 4.Monoblock type protective sheet is preferably high resiliency cloth
Material.
Referring to Fig. 7, the decomposition diagram of second embodiment of the utility model seal assembly is shown.As shown, this
The difference of embodiment and first embodiment includes: that the sealing 7 in the present embodiment includes diaphragm seal 71 and outer portion 72, and is sealed
It is split-type design between piece 71 and outer portion 72.Specifically, the present embodiment includes multi-disc diaphragm seal 71,71 edge of diaphragm seal
Circumferencial direction distribution is with around above-mentioned through-hole is formed, diaphragm seal 71 surround setting along conical surface, and has notch, adjacent close
There is overlapping region between mounting 71, and the notch on each diaphragm seal 71 is not overlapped, make compared to the first embodiment instrument into
Seal assembly is more smoothly out, and can have good sealing effect.
The invention also discloses the puncture outfits of the above-mentioned seal assembly of application.
It is illustrating for progress to be implemented to the preferable of the utility model, but the invention is not limited to the reality above
Example is applied, those skilled in the art can also make various equivalent variations without departing from the spirit of the present invention
Or replacement, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.
Claims (8)
1. a kind of seal assembly, including sealing, the sealing is equipped with through-hole, which is characterized in that further includes at least 6
Screening glass, the screening glass are located at the same side of the sealing, and are uniformly distributed along the circumferencial direction of the through-hole, at least phase
There is overlapped region, the screening glass includes the protection portion along conical surface setting, each institute between the adjacent screening glass
The inner side edge for stating protection portion surrounds to form the guide hole jointly.
2. seal assembly according to claim 1, which is characterized in that protected in first be arranged successively along the circumferencial direction
In bluff piece, the second screening glass and third screening glass, first screening glass and third screening glass are located at the second screening glass
Two sides, and there is overlapped region between the first screening glass, the second screening glass and third screening glass.
3. seal assembly according to claim 1, which is characterized in that further include upper cover, lower cover and support, on the support
Peripherally disposed have several mounting holes, is provided with several via holes on the sealing and the screening glass, it is described on
Stretch out several grafting pins respectively on lid and lower lid, the upper cover and support are located at the same side of the sealing, and it is described on
The grafting pin of lid is inserted into after the via hole on the screening glass and is fixed in the mounting hole of part, the lower cover position
In the other side of the sealing, insertion is fixed on separately after the grafting pin of the lower cover passes through the via hole on the sealing
In the mounting hole of a part.
4. seal assembly according to claim 1, which is characterized in that the sealing includes integral seal piece, and
The center of outer portion on the outside of the integral seal piece, the integral seal piece is equipped with the through-hole.
5. seal assembly according to claim 4, which is characterized in that further include be attached to relative to the screening glass it is described
The protective sheet of the integral seal piece other side.
6. seal assembly according to claim 1, which is characterized in that the sealing includes multiple diaphragm seals, Yi Jiwei
Outer portion on the outside of the diaphragm seal, multiple diaphragm seals are along the circumferential direction distributed to surround and form the through-hole, adjacent
There is overlapped region between the diaphragm seal.
7. the seal assembly according to any one of claim 4 to 6, which is characterized in that the section of the outer portion is wave
Shape wave.
8. a kind of puncture outfit, which is characterized in that including seal assembly described in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821359026.5U CN209629771U (en) | 2018-08-21 | 2018-08-21 | A kind of seal assembly and puncture outfit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821359026.5U CN209629771U (en) | 2018-08-21 | 2018-08-21 | A kind of seal assembly and puncture outfit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209629771U true CN209629771U (en) | 2019-11-15 |
Family
ID=68471343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821359026.5U Active CN209629771U (en) | 2018-08-21 | 2018-08-21 | A kind of seal assembly and puncture outfit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209629771U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021109804A1 (en) * | 2019-12-05 | 2021-06-10 | 周星 | Seal ring protection sheet for trocar, end seal assembly, and trocar |
-
2018
- 2018-08-21 CN CN201821359026.5U patent/CN209629771U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021109804A1 (en) * | 2019-12-05 | 2021-06-10 | 周星 | Seal ring protection sheet for trocar, end seal assembly, and trocar |
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