CN109363752A - A kind of sealing element and puncture outfit for puncture outfit - Google Patents
A kind of sealing element and puncture outfit for puncture outfit Download PDFInfo
- Publication number
- CN109363752A CN109363752A CN201811389006.7A CN201811389006A CN109363752A CN 109363752 A CN109363752 A CN 109363752A CN 201811389006 A CN201811389006 A CN 201811389006A CN 109363752 A CN109363752 A CN 109363752A
- Authority
- CN
- China
- Prior art keywords
- puncture outfit
- cock body
- sealing element
- locating piece
- blow vent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B2017/3419—Sealing means between cannula and body
Abstract
The present invention discloses a kind of sealing element and puncture outfit for puncture outfit, and puncture outfit includes casing storehouse, and casing storehouse includes blow vent, and blow vent penetrates through the wall in casing storehouse and is arranged；Sealing element includes locating piece and cock body, and locating piece is fixed in casing storehouse, and cock body is at least partly accommodated in blow vent, is sealed with realizing to blow vent.Sealing member for puncture outfit of the present invention includes the cock body that the locating piece in casing storehouse is arranged in and connect with locating piece, cock body at least part is removably arranged in the blow vent of puncture outfit, to make puncture outfit in the initial state, when not configuring gas injection valve, its internal formed effectively seals, conducive to the stabilization of pneumoperitoneum.Due to need to only configure gas injection valve on the puncture outfit for need gas injection, to save the manufacturing cost of puncture outfit, and reduce the operation occupied space of puncture outfit in the course of surgery, conducive to the operation of doctor.
Description
Technical field
The present invention relates to a kind of surgical instruments, in particular to a kind of sealing element and puncture outfit for puncture outfit belongs to doctor
Treat clothing arts.
Background technique
Puncture outfit is a kind of for establishing the surgical instrument for entering human abdominal cavity channel, including puncture core and puncture cannula.
In specific surgical procedure, doctor is general first to open an osculum in the abdomen of patient, is then directed at the puncture core of puncture outfit
It is moved down while small notch reciprocating rotation, so that one end of puncture cannula be driven to enter the abdominal cavity of patient, completes to wear
After thorn, core will be punctured and extracted from puncture cannula, puncture cannula forms the channel of other surgical instruments disengaging.In order to expand abdominal cavity
Space, increase it is each tissue the distance between, thus be more conducive to operation progress, after the completion of puncture, it usually needs by wearing
Gas is injected in the channel that thorn casing is formed into abdominal cavity, therefore a gas injection valve can be arranged on puncture cannula, terminates in gas injection
Afterwards, the gas injection valve is closed, and makes to form sealing inside puncture cannula, to guarantee the stability of pneumoperitoneum, facilitates surgical
It carries out.
During operation, it usually needs to the multiple puncture outfits of intraperitoneal insertion, on existing puncture outfit, each puncture
Device is each equipped with a gas injection valve, specifically, blow vent is arranged on the casing storehouse of puncture outfit, has venting channels in blow vent,
Gas injection valve and blow vent are integrally formed, so that gas injection valve is unremovably fixed on the side in casing storehouse, when needing to perform the operation, are only needed
Opening gas injection valve can gas injection.But it only need to be by a puncture outfit gas injection, therefore on other puncture outfits when actual operation
The problem of fixed gas injection valve causes the waste of resource, the increase of cost and occupies operative space in the course of surgery.For
Solve the above problems, can by puncture outfit gas injection valve and puncture outfit it is separately positioned but still retain puncture outfit can by gas injection
Gas injection valve is mounted on the puncture outfit for needing gas injection, when needing to carry out gas injection to puncture outfit thus to this by structure and performance
Puncture outfit carries out gas injection.It, need to be to puncture in order to guarantee the leakproofness inside puncture outfit but before this puncture outfit does not install gas injection valve
The blow vent of device is sealed, and there are no the puncture outfits for not configuring gas injection valve in the prior art, also not to vents seal
Related art scheme.
Summary of the invention
In view of the deficiencies of the prior art, the present invention is intended to provide a kind of sealing element and puncture outfit for puncture outfit, solves
There are no do not configure the puncture outfit of gas injection valve, also do not realize that is effectively sealed asks to puncture outfit blow vent in the prior art
Topic, to guarantee the air-tightness of the puncture outfit when not configuring gas injection valve.
The invention is realized by the following technical scheme: a kind of sealing element for puncture outfit, the puncture outfit include casing
Storehouse, described sleeve pipe storehouse include blow vent, the wall in blow vent perforation described sleeve pipe storehouse；The sealing element includes locating piece and plug
Body, the locating piece are placed in described sleeve pipe storehouse, and at least part of the cock body is removably accommodated in the ventilation
In mouthful, to realize selectivity sealing to the blow vent.
Preferably, the locating piece is circular ring shape or fan annular.
Preferably, the sealing element includes connecting rod, the locating piece is located at one end of the connecting rod, and the cock body is located at
The other end of the connecting rod.
Preferably, the angle between the length direction of the connecting rod and the radial direction of the locating piece is acute angle or straight
Angle.
Preferably, the length direction of the connecting rod and the locating piece is radial parallel.
Preferably, the connecting rod further comprises the first bar portion and the second bar portion, first bar portion is set to described
On locating piece, second bar portion is set on the cock body.
Preferably, the cock body is cylindrical body.
Preferably, the cock body includes front end face and side, chamfering is formed between the front end face and the side.
Preferably, the cock body is the truncated cone.
Preferably, the cock body includes front end face, the front end face of the cock body is inclined-plane, cambered surface or tapered surface.
Preferably, the sealing element is made using elastic material.
Preferably, being additionally provided with seal in described sleeve pipe storehouse, the seal is for realizing described sleeve pipe storehouse inner cavity
Selectivity sealing.
Preferably, the locating piece is the positioning skirt that the seal outer wall is arranged in, and the positioning skirt is enclosed
It is arranged around the seal central axis, connecting rod is between the positioning skirt and the cock body.
The present invention also provides a kind of puncture outfit, including casing storehouse, described sleeve pipe storehouse includes blow vent, the blow vent perforation
The wall in described sleeve pipe storehouse；The puncture outfit further includes the sealing element as described above for being used for puncture outfit, the sealing element selectivity
Ground seals the blow vent.
Preferably, the part that the cock body is located in the blow vent is interference fitted with the blow vent.
Sealing member for puncture outfit of the present invention includes the cock body that the locating piece in casing storehouse is arranged in and connect with locating piece, and cock body is extremely
Small part is arranged in the blow vent of puncture outfit, thus make puncture outfit when not configuring gas injection valve, it is internal to form effectively sealing,
Conducive to the stabilization of pneumoperitoneum.Also, the connection of gas injection valve and puncture outfit can sealing of the depressurization part to blow vent, so as to reality
Gas injection valve now need to be only configured on the puncture outfit for need gas injection.
Detailed description of the invention
Fig. 1 is the first cock body structural schematic diagram of the sealing member for puncture outfit provided according to the present invention；
Fig. 2 is second of cock body structural schematic diagram of the sealing member for puncture outfit provided according to the present invention；
Fig. 3 is the third cock body structural schematic diagram of the sealing member for puncture outfit provided according to the present invention；
Fig. 4 is the 4th kind of cock body structural schematic diagram of the sealing member for puncture outfit provided according to the present invention；
Fig. 5 is the schematic perspective view of according to embodiments of the present invention one the first sealing element；
Fig. 6 is the main view of according to embodiments of the present invention one the first sealing element；
Fig. 7 is the puncture outfit cross-sectional view of the first sealing element according to embodiments of the present invention one；
Fig. 8 is according to embodiments of the present invention one second of sealing element and seal fit structure schematic diagram；
Fig. 9 is the sealed body structure schematic diagram of according to embodiments of the present invention one puncture outfit with second of sealing element；
Figure 10 is the structural schematic diagram of according to embodiments of the present invention one second of sealing element；
Figure 11 is the cross-sectional view in the casing storehouse of the puncture outfit of according to embodiments of the present invention one second of sealing element；
Figure 12 be according to embodiments of the present invention two sealing element the first visual angle schematic perspective view；
Figure 13 be according to embodiments of the present invention two sealing element the second visual angle schematic perspective view.
Appended drawing reference
10, sealing element；11, locating piece；111, skirt is positioned；111a, the first edge；111b, the second edge；121, even
Bar；121a, the first bar portion；121b, the second bar portion；13, cock body；13a, front end face；13b, rear end face；13c, chamfering；20, casing
Storehouse；21, step；30, blow vent；31, venting channels；40, seal；41, the first seal；42, the second seal；50, tight
Firmware；60, casing cover.
Specific embodiment
The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to be used to explain the present invention, and cannot understand
For limitation of the present invention.
Fig. 1~13 are please referred to, the present invention provides a kind of sealing element 10 for puncture outfit.Puncture outfit includes casing storehouse 20,
Casing storehouse 20 includes blow vent 30, and blow vent 30 penetrates through the wall in casing storehouse 20 and is arranged；Sealing element 10 include locating piece 11 and with
The cock body 13 that locating piece 11 connects, locating piece 11 are fixed in casing storehouse 20, and cock body 13 is at least partly accommodated in the puncture outfit
Blow vent 30 in, to realize selective sealing to blow vent 30.
It should be noted that in order to more clearly describe the structure of the sealing element 10 of puncture outfit, referring to Fig. 7, what "upper" referred to
It is direction straight up along paper, "lower" refers to that, along paper vertically downward direction, "inner" is referred to along locating piece
11 radial direction and towards the direction of 11 central axis of locating piece, "outside" refers to the radial and remotely located part along locating piece 11
The definition in the direction of 11 central axises, "upper", "lower", "inner", "outside" is suitable for all components of sealing member for puncture outfit and puncture outfit.
The shape of cock body 13 and the shape of puncture outfit blow vent 30 are mutually matched.In this embodiment, cooperation puncture outfit is logical
The shape of port 30, before the cock body 13 in the present invention uses cylindrical body, the top and bottom of cylinder type cock body 13 to be respectively it
End face 13a and rear end face 13b.
Enter in blow vent 30 in order to facilitate cock body 13, reduce assembly difficulty, the present invention lists the shape of four kinds of cock bodys 13
Formula.
The first cock body 13:
As shown in Figure 1, the side of the front end face 13a of cock body 13 and cylinder type cock body 13 forms chamfering 13c, also, fill in
The diameter of 13 front end face 13a of body is less than corresponding 30 internal diameter of puncture outfit blow vent, and the diameter of 13 rear end face 13b of cock body, which is greater than, to be corresponded to
30 internal diameter of puncture outfit blow vent.The part of 13 adjacent front end face 13a of cock body is front end portion, 13 adjacent back end face 13b of cock body
Part be rear end part.The outer diameter of 13 rear end part of diameter, that is, cock body of 13 rear end face 13b of cock body.Above-mentioned definition is suitable for the
One kind is to the 4th kind of cock body 13, for the first to the 4th kind of cock body 13, diameter, that is, cylindrical body outer diameter of rear end face 13b.Plug
Body 13 is when entering corresponding blow vent 30, logical conducive to the front end portion push-in of cock body 13 since its front end face 13a diameter is smaller
In port 30, then enter the rear end part of cock body 13 also in blow vent 30 along chamfering 13c.13 rear end face 13b's of cock body is straight
Diameter is larger, seals conducive to cock body 13 and blow vent 30 is formed.
Second of cock body 13:
As shown in Fig. 2, the front end face 13a of cock body 13 is in cambered surface, the diameter of 13 rear end face 13b of cock body is greater than corresponding puncture
30 internal diameter of device blow vent.The part front end face 13a of cock body 13 is pushed into puncture outfit blow vent 30 first, then along front end face
The arcwall face of 13a makes the front end face 13a of cock body 13 completely into blow vent 30, and under the elastic shrinkage of cock body 13, cock body
13 rear end part also enters in blow vent 30.13 rear end face 13b's of cock body is relatively large in diameter, conducive to cock body 13 and blow vent 30 is made
Form sealing.
The third cock body 13:
As shown in figure 3, the front end face 13a of cock body 13 is in inclined-plane, the diameter of 13 rear end face 13b of cock body is greater than corresponding puncture
30 internal diameter of device blow vent.The cock body 13 from upper end end slope downwards is shown in Fig. 3, can also be other inclinations certainly
Mode.Enter the top of cock body 13 in blow vent 30, then pushes cock body 13 into blow vent 30, by squeezing upwards
The lower part of tamponade body 13, so that the lower part of cock body 13 also enters in blow vent 30, so that it is close to form cock body 13 to blow vent 30
Envelope.
After cock body 13, which is opened, leaves blow vent 30, since the thickness of its underpart is less than the thickness on top, is formed and stepped down
Design, therefore the circulation of gas in gas injection process will not be interfered.
4th kind of cock body 13:
As shown in figure 4, the front end face 13a of cock body 13 is taper, the diameter of 13 rear end face 13b of cock body is greater than corresponding puncture
30 internal diameter of device blow vent.The sharp protrusion formed on 13 front end face 13a of cock body is pushed into puncture outfit blow vent 30 first, then
Along the tapered surface of front end face 13a the rear end part of cock body 13 is also entered in blow vent 30.The diameter of 13 rear end face 13b of cock body
It is larger, it is sealed conducive to cock body 13 and blow vent 30 is formed.
The front end face 13a of above-mentioned four kinds of cock bodys 13 is in cambered surface, inclined-plane or taper, plays guiding in assembling, thus
Cock body 13 is able to guide to be assembled into blow vent 30.
The present invention specifically lists above-mentioned four kinds of cock bodys 13, but it is understood that, in sealing member for puncture outfit 10 of the present invention
Cock body 13 be not limited to above-mentioned four kinds of forms, the cock body 13 of other structures form can also be used, for example cock body 13 can also
Using the truncated cone.
Locating piece 11, connecting rod 121 and cock body 13 in the present invention are integrally formed, production process fast and easy.Sealing element
10 entirety are made of elastic material.Elastic material is specifically as follows the materials such as natural rubber, silica gel, isoprene rubber.Based on pair
The research of the hardness and intensity of a variety of materials, the present invention in the preferred isoprene material of sealing element 10 be made.Due to connecting rod
121 and cock body 13 be integrally formed, rear end face 13b is the technical characteristic for describing and limiting for convenience, i.e. cock body 13 and connecting rod
Interface between 121, picture 1-4 shown in middle dotted line 13b.
As shown in Fig. 5~11, cock body 13 is connect with locating piece 11 by connecting rod 121, the structure of connecting rod 121 and locating piece 11
There are many, the connection type of the seal 40 in locating piece 11 and puncture outfit also there are many, the present invention according to locating piece 11 with it is close
Whether envelope body 40, which connects, provides two embodiments, makees the description distinguished below:
Embodiment one
In the present embodiment, locating piece 11 and seal 40 are the individual components being separated from each other.
Locating piece 11 is in circular ring shape, and has certain annular width, is positioned conducive in casing storehouse 20.Circular ring shape is determined
Position part 11 be arranged in casing storehouse 20 to be more convenient, while closer with the connection of other components in casing storehouse 20, and position is also more
It is firm.Certainly, the locating piece 11 in the present invention can also be other shapes, such as can also be fan ring, as long as satisfaction and casing
The close connection of other components in storehouse 20.
It is different from the connection structure of locating piece 11 according to connecting rod 121 in the embodiment, sealing element is divided into two kinds:
The first sealing element 10
Referring to figure 5. and Fig. 6, connecting rod 121 includes the first bar portion 121a and the second bar portion 121b, and the first bar portion 121a is located at
One end of second bar portion 121b.Locating piece 11, the first bar portion 121a, the second bar portion 121b and cock body 13 are sequentially connected, the first bar
Portion 121a is connected on the bottom surface of locating piece 11.The area of section of first bar portion 121a is greater than the section face of the second bar portion 121b
Product, to increase the joint face between connecting rod 121 and locating piece 11, so that the connection reinforced between connecting rod 121 and locating piece 11 is strong
Degree, section here refers to the face parallel with the top surface of locating piece 11.The length direction of connecting rod 121 and the radial direction of locating piece 11
Between the setting of at an acute angle or right angle.
Fig. 7 is please referred to, the present invention also provides a kind of puncture outfits.Puncture outfit includes casing storehouse 20, is provided on casing storehouse 20
The inner wall of blow vent 30, blow vent 30 forms venting channels 31.Seal 40, fastener 50 are equipped in the inner cavity in casing storehouse 20
And above-mentioned sealing element 10.Seal 40 includes the first seal 41 and the second seal 42, for opening on casing storehouse 20
Mouth selectivity sealing.The center of locating piece 11, fastener 50, the second seal 42 and the equal annular sleeve storehouse 20 of the first seal 41
Axis, and be successively stacked from top to bottom.Specifically, the outside of the first seal 41, the second seal 42 and fastener 50 is equal
In circular ring shape, which is referred to as the outer of the outer ring of the first seal 41, the outer ring of the second seal 42 and fastener 50
Ring.The top in casing storehouse 20 is provided with casing cover 60, and step 21, and the face edge of step 21 are formed on the inner wall in casing storehouse 20
It radially extends, is formed by region in the face of step 21 and casing cover 60, it is locating piece 11, the outer ring of fastener 50, second close
Seal the outer ring successively tightly stacked setting from top to bottom of the outer ring and the first seal 41 of body 42.First seal 41, second
Seal 42 and locating piece 11 are that elastic material is made.Fastener 50 is plastic part, for forming fixed connect with casing cover 60
It connects.This kind of set-up mode not only takes full advantage of the intracavity space in casing storehouse 20, so that each component in casing storehouse 20 is all connected with
Closely, position is fixed, and does not change the structure of seal 40 and fastener 50 in existing puncture outfit.
Second of sealing element 10
Fig. 8~Figure 10 is please referred to, in this kind of sealing element 10, locating piece 11 is an annulus column, is greater than along axial height
Thickness radially, cock body 13 are connected to the medial surface of locating piece 11 by connecting rod 121.Locating piece 11 is with the second seal 42
The individual components being separated from each other.Figure 10 is please referred to, connecting rod 121 is not when stressing state, along radially extending for locating piece 11, cock body
13 are set to the end of connecting rod 121, and cock body 13 is located in the annulus column of the formation of locating piece 11, i.e., the length direction of connecting rod 121 with
The radial direction of locating piece 11 is parallel.As shown in figure 8, when in use, the second seal 42 in seal 40 is inserted in locating piece 11
It is interior, to realize fixation between the two.When sealing element 10 does not seal venting channels 31 namely cock body 13 is from venting channels 31
When middle removal, since connecting rod 121 is made of elastic material, according to the elastic reaction of itself, and due to the second seal 42
Stop, connecting rod 121 can not resile, and be in bending state, cock body 13 is bonded the outer wall of the second seal 42, thus will not be right
The gas being passed through in venting channels 31 generates blocking.
As shown in figure 11, the present invention also provides a kind of puncture outfits with above-mentioned sealing element 10.Puncture outfit includes casing storehouse
20, seal 40 is equally set in casing storehouse 20, and seal 40 equally also includes the first seal (Figure 11 arranged from top to bottom
In be not shown) and the second seal 42, be provided with blow vent 30 on casing storehouse 20, the inner wall of blow vent 30 forms venting channels
31.In the initial state, 121 bending deformation of connecting rod, cock body 13, which is filled in venting channels 31, seals venting channels 31；Work as note
After gas injection valve in gas system protrudes into venting channels 31 to open cock body 13, cock body 13 is due to by the outer wall of the second seal 42
Stop, connecting rod 121 can not resile, so that cock body 13 fits in the outer wall of the second seal 42.
It is that cock body 13 fills in venting channels in order to prevent using the above two sealing element 10 being separated from each other with seal 40
When in 31, connecting rod 121 is pullled, so that the second seal 42 deformation connecting with connecting rod 121, causes 20 gas leakage of casing storehouse.
Embodiment two
Figure 12~13 are please referred to, seal 40 is additionally provided in casing storehouse 20.Seal 40 includes first close from top to bottom
Body (being not shown in Figure 12~13) and the second seal 42 are sealed, the first seal and the second seal 42 respectively play a role, right
Sealing is realized in the casing storehouse 20 of puncture outfit.The form in cooperation puncture outfit casing tube storehouse in the prior art, the second seal 42 it is upper
Portion is in circular ring shape.Locating piece 11 is positioning skirt 111, positioning skirt 111 around the second seal 42 central axis setting the
On the outer wall on two seals, 42 top.In order to facilitate accommodating and positioning of the locating piece 11 in casing storehouse 20, the second seal 42
Upper surface protrude from positioning skirt 111.The second seal 42 in the present invention is not limited to used form, can be more valves
Shape or Duckbill type etc..
Positioning skirt 111 is in flange shape, i.e. positioning skirt 111 includes the first edge 111a and the second edge 111b, and first
Edge 111a is radially extended along the second seal 42, and outer edge of the second edge 111b in the first edge 111a is sealed along second
Body 42 extends axially downward.The positioning skirt 111 of flange shape is further conducive to locating piece 11 and installs and determine in casing storehouse 20
Position.
Connecting rod 121 includes that the first bar portion 121a and the second bar portion 121b, the first bar portion 121a is located at the second bar portion 121b's
One end.Locating piece 11, the first bar portion 121a, the second bar portion 121b and cock body 13 are sequentially connected.First bar portion 121a is connected to fixed
On the positioning skirt 111 of position part 11, connecting rod 121 and cock body 13 are not directly connected to the second seal 42, to avoid connecting rod 121
And cock body 13 influences the second seal 42 to the sealing effect in casing storehouse 20.The area of section of first bar portion 121a is greater than second
The area of section of bar portion 121b, with increase connecting rod 121 and position skirt 111 between joint face, section here refer to
The parallel face in 11 top surface of locating piece.
Certainly, the second seal 42 in the present embodiment and positioning skirt 111, which can be, integrally formed is also possible to phase
It connects, connection type can be welding, bonding etc..
In the present invention, seal 40 includes the first seal 41 and the second seal 42.
For cock body 13 and venting channels 31, " selectivity sealing " refers to 13 sealing ventilation channel 31 of cock body and cock body 13
Release the sealing for venting channels 31.For seal 40 and casing storehouse 20, " selectivity sealing " refers to that seal 40 seals
Casing storehouse 20 and seal 40 release the sealing for casing storehouse 20.
Puncture outfit of the present invention is in use, and original state is that cock body 13 seals up the venting channels 31 on corresponding puncture outfit.
It, can be by the way that gas injection valve be inserted into venting channels 31, to open cock body for some or the certain puncture outfits for needing gas injection
13.After gas injection valve is inserted into venting channels 31, by entering gas along puncture outfit casing tube by venting channels 31 to gas injection valve gas transmission
Abdominal cavity.Cock body 13 is connected on locating piece 11 by connecting rod 121, and when such gas injection, cock body 13 is opened by gas injection valve, is detached from
After blow vent, therefore cock body 13 does not fall out and blocks casing or fall into human abdominal cavity, does not influence the normal work of puncture outfit.This
The working method of puncture outfit and existing puncture outfit are also consistent in invention, are more convenient to go into operation and use.
Cock body 13 in sealing element 10 is at least partly accommodated in blow vent 30, is sealed with being formed to venting channels 31.By
It is made in cock body 13 of elastic material, cock body 13 has certain decrement, therefore can make cock body 13 and 31 shape of venting channels
At interference fit, so as to form preferable sealing to venting channels 31.Preferably, the magnitude of interference of cock body 13 and venting channels 31
For 0.8~1.2mm, cock body 13 was not only facilitated to be pushed into venting channels 31, but also can guarantee the air-tightness inside venting channels 31.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant, and the technical solution after above-mentioned change, modification, replacement and modification is in the present invention
Protection scope within.
Claims (15)
1. a kind of sealing element for puncture outfit, the puncture outfit includes casing storehouse, which is characterized in that described sleeve pipe storehouse includes logical
Port, the wall in blow vent perforation described sleeve pipe storehouse；The sealing element includes locating piece and cock body, and the locating piece is accommodated
In described sleeve pipe storehouse, at least part of the cock body is removably accommodated in the blow vent, to the blow vent
Realize selectivity sealing.
2. the sealing element according to claim 1 for puncture outfit, which is characterized in that the locating piece is circular ring shape or fan
Annular.
3. the sealing element according to claim 1 for puncture outfit, which is characterized in that the sealing element includes connecting rod, institute
One end that locating piece is located at the connecting rod is stated, the cock body is located at the other end of the connecting rod.
4. the sealing element according to claim 3 for puncture outfit, which is characterized in that the length direction of the connecting rod and institute
Stating the angle between the radial direction of locating piece is acute angle or right angle.
5. the sealing element according to claim 3 for puncture outfit, which is characterized in that the length direction of the connecting rod and institute
State the radial parallel of locating piece.
6. the sealing element according to claim 3 for puncture outfit, which is characterized in that the connecting rod further comprises first
Bar portion and the second bar portion, first bar portion are set on the locating piece, and second bar portion is set on the cock body.
7. the sealing element according to claim 1 for puncture outfit, which is characterized in that the cock body is cylindrical body.
8. the sealing element according to claim 1 for puncture outfit, which is characterized in that the cock body includes front end face and side
Face forms chamfering between the front end face and the side.
9. the sealing element according to claim 1 for puncture outfit, which is characterized in that the cock body is the truncated cone.
10. the sealing element according to claim 1 for puncture outfit, which is characterized in that the cock body includes front end face, institute
The front end face for stating cock body is inclined-plane, cambered surface or tapered surface.
11. the sealing element according to claim 1 for puncture outfit, which is characterized in that the sealing element uses elastic material
Material is made.
12. the sealing element according to claim 1 for puncture outfit, which is characterized in that described sleeve pipe is additionally provided in storehouse
Seal, the seal seal for realizing the selectivity of described sleeve pipe storehouse inner cavity.
13. the sealing element according to claim 12 for puncture outfit, which is characterized in that the locating piece is setting in institute
The positioning skirt of seal outer wall is stated, and the positioning skirt is arranged around the seal central axis, it is described fixed that connecting rod is located at
Between position skirt and the cock body.
14. a kind of puncture outfit, including casing storehouse, described sleeve pipe storehouse include blow vent, blow vent perforation described sleeve pipe storehouse
Wall；It is characterized in that, the puncture outfit further includes the sealing for puncture outfit as described in any one of claim 1~13
Part, the sealing element selectively seal the blow vent.
15. puncture outfit according to claim 14, which is characterized in that the cock body be located at part in the blow vent with
The blow vent interference fit.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018111535484 | 2018-09-29 | ||
| CN201811153572 | 2018-09-29 | ||
| CN2018111535728 | 2018-09-29 | ||
| CN201811153548 | 2018-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109363752A true CN109363752A (en) | 2019-02-22 |
Family
ID=65376601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811389006.7A Pending CN109363752A (en) | 2018-09-29 | 2018-11-20 | A kind of sealing element and puncture outfit for puncture outfit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109363752A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2376300Y (en) * | 1999-07-03 | 2000-05-03 | 王维文 | Air inlet type puncture outfit |
| CN2416904Y (en) * | 2000-04-07 | 2001-01-31 | 张勇 | Double steel and plastic composite bottle plug puncture set |
| CN203953763U (en) * | 2014-07-15 | 2014-11-26 | 山东威瑞外科医用制品有限公司 | A kind of microtrauma puncture device |
| CN104888301A (en) * | 2015-06-03 | 2015-09-09 | 四川南格尔生物科技有限公司 | Autoblood collection and transfusion device |
| CN207270369U (en) * | 2017-03-01 | 2018-04-27 | 温州市人民医院 | Prevent the laparoscope puncture outfit of peritoneal free cancer cells |
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2018
- 2018-11-20 CN CN201811389006.7A patent/CN109363752A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2376300Y (en) * | 1999-07-03 | 2000-05-03 | 王维文 | Air inlet type puncture outfit |
| CN2416904Y (en) * | 2000-04-07 | 2001-01-31 | 张勇 | Double steel and plastic composite bottle plug puncture set |
| CN203953763U (en) * | 2014-07-15 | 2014-11-26 | 山东威瑞外科医用制品有限公司 | A kind of microtrauma puncture device |
| CN104888301A (en) * | 2015-06-03 | 2015-09-09 | 四川南格尔生物科技有限公司 | Autoblood collection and transfusion device |
| CN207270369U (en) * | 2017-03-01 | 2018-04-27 | 温州市人民医院 | Prevent the laparoscope puncture outfit of peritoneal free cancer cells |
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Application publication date: 20190222 |