CN209595805U - Catheter sheath external member used in a kind of arthrocsopic surgery - Google Patents
Catheter sheath external member used in a kind of arthrocsopic surgery Download PDFInfo
- Publication number
- CN209595805U CN209595805U CN201920214716.XU CN201920214716U CN209595805U CN 209595805 U CN209595805 U CN 209595805U CN 201920214716 U CN201920214716 U CN 201920214716U CN 209595805 U CN209595805 U CN 209595805U
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- China
- Prior art keywords
- catheter sheath
- main body
- guide pin
- sealing ring
- bottom cover
- 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.)
- Expired - Fee Related
Links
- 238000001356 surgical procedure Methods 0.000 title claims abstract description 45
- 238000007789 sealing Methods 0.000 claims abstract description 43
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 239000011324 bead Substances 0.000 claims description 4
- 230000014759 maintenance of location Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 1
- 238000003780 insertion Methods 0.000 abstract description 5
- 230000037431 insertion Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 238000013459 approach Methods 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 9
- 208000012659 Joint disease Diseases 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000037213 diet Effects 0.000 description 1
- 235000005911 diet Nutrition 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 210000000281 joint capsule Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Media Introduction/Drainage Providing Device (AREA)
Abstract
The utility model discloses catheter sheath external members used in a kind of arthrocsopic surgery, are related to medical instruments field, are to solve the problems such as catheter sheath insertion is difficult in existing arthrocsopic surgery.This product includes catheter sheath and guide pin, one end of the guide pin is mounted on catheter sheath, guide pin includes handle, limit button and guide pin main body, in guide pin main body insertion handle and extend except handle, limit button is mounted on the outside of handle, and catheter sheath includes bottom cover, catheter sheath main body, sealing ring and tabletting, and catheter sheath main body is connect with bottom cover, sealing ring is multilayer and multi-layer sealed circle is mounted between catheter sheath main body and bottom cover, is compressed between sealing ring using tabletting.This product uses multi-layer sealed circle, and leakage sepage in art can be effectively prevented and happen, and double bolloon, which is arranged, can guarantee catheter sheath fixing-stable during surgery, and the location structure of guide pin and catheter sheath can establish operative approach in order to operator, improves procedure efficiency.
Description
Technical field
The utility model relates to medical instruments field, catheter sheath external member used in specifically a kind of arthrocsopic surgery.
Background technique
Joint is the connecting component between bone and bone, is generally made of articular surface, joint capsule and articular cavity three parts.With
The change of people's living habit, the irregular of diet and it is pressure increase, more and more people have suffered from joint disease.People
Joint disease will be treated.
Arthroscopic surgery is generally used in treatment of joint disease at present, in arthroscopic surgery, is generally needed
Service aisle is established by catheter sheath, other arthroscopic surgery tools is facilitated to enter articular cavity by the service aisle.
It also needs that liquid is perfused in operation, and catheter sheath can reduce the generation of the phenomenon of leakage to a certain extent.
However, the catheter sheath insertion used in operation at present is difficult, the phenomenon of leakage is easily caused after being inserted into paths, and hold
Easily there is the phenomenon that sliding displacement, this is just that being normally carried out for operation brings inconvenience.
Utility model content
The purpose of this utility model is to provide catheter sheath external members used in a kind of arthrocsopic surgery, to solve above-mentioned back
The problem of being proposed in scape technology.
To achieve the above object, the utility model provides the following technical solutions:
Catheter sheath external member used in a kind of arthrocsopic surgery, including catheter sheath and guide pin, one end of the guide pin
It is mounted on catheter sheath, guide pin includes handle, limit button and guide pin main body, and guide pin main body is inserted into handle and is prolonged
It stretching out except handle, limit button is mounted on the outside of handle, and catheter sheath includes bottom cover, catheter sheath main body, sealing ring and tabletting,
The centre of catheter sheath main body and bottom cover connection and catheter sheath main body is provided with instrument channel, and sealing ring is multilayer and multilayer is close
Seal is mounted between catheter sheath main body and bottom cover, is compressed between sealing ring using tabletting.
As a further solution of the present invention: being provided with limit button fixation hole and limit button guiding on handle
Column, the top of limit button are spacing head, and the bottom of limit button is equipped with stroke hole, one end of guide pin main body be equipped with buckle and
Limit button location hole, the bottom of guide pin main body are provided with retention bead, and the top of guide pin main body is conical head, stroke hole
Be connected with spring between the limit button guide post of handle, spacing head eject guide pin main body limit button location hole it
Outside.
As a further solution of the present invention: bottom cover includes buckle fixing groove, limit button card hole and positioning column, bottom
Intermediate lid is circular hole.
As a further solution of the present invention: the junction of catheter sheath main body and bottom cover is equipped with water injection interface and gas injection
Interface, setting passes through air flue connection between two air bags there are two air bag in catheter sheath main body.
As a further solution of the present invention: sealing ring includes petal shape sealing ring and cambered surface sealing ring, it is petal
It is equipped with location hole on sealing ring and the positioning column of location hole and bottom cover cooperates, the centre of petal shape sealing ring is multiple petals
The diaphragm seal of shape, mutually close superposition cooperation between petal diaphragm seal are shrinkable circular hole among cambered surface sealing ring.
As a further solution of the present invention: catheter sheath main body and bottom cover can be connected through a screw thread, it is petal close
Seal is mounted on the bottom of bottom cover, and cambered surface sealing ring is equipped with two layers.
Compared with prior art, the utility model has the beneficial effects that
This product design rationally, using multi-layer sealed circle, can be effectively prevented leakage sepage in art and happen, double bolloon
Catheter sheath fixing-stable during surgery can be guaranteed by being arranged, and the location structure of guide pin and catheter sheath can be established in order to operator
Operative approach improves procedure efficiency, has positive social benefit.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of catheter sheath external member used in arthrocsopic surgery.
Fig. 2 is the perspective view of guide pin in catheter sheath external member used in arthrocsopic surgery.
Fig. 3 is the perspective view of handle in catheter sheath external member used in arthrocsopic surgery.
Fig. 4 is the side view of handle in catheter sheath external member used in arthrocsopic surgery.
Fig. 5 is the cross-sectional view in the direction handle A-A in catheter sheath external member used in arthrocsopic surgery.
Fig. 6 is the front view of guide pin main body in catheter sheath external member used in arthrocsopic surgery.
Fig. 7 is the perspective view of guide pin main body in catheter sheath external member used in arthrocsopic surgery.
Fig. 8 is the side view of guide pin main body in catheter sheath external member used in arthrocsopic surgery.
Fig. 9 is the perspective view of limit button in catheter sheath external member used in arthrocsopic surgery.
Figure 10 is the cross-sectional view of limit button in catheter sheath external member used in arthrocsopic surgery.
Figure 11 is the perspective view of handle in catheter sheath external member used in arthrocsopic surgery.
Figure 12 is the side view of handle in catheter sheath external member used in arthrocsopic surgery.
Figure 13 is the cross-sectional view in the direction handle A-A in catheter sheath external member used in arthrocsopic surgery.
Figure 14 is the perspective view of bottom cover in catheter sheath external member used in arthrocsopic surgery.
Figure 15 is the side view of bottom cover in catheter sheath external member used in arthrocsopic surgery.
Figure 16 is the main view of catheter sheath main body in catheter sheath external member used in arthrocsopic surgery.
Figure 17 is the cross-sectional view in the direction catheter sheath main body C-C in catheter sheath external member used in arthrocsopic surgery.
Figure 18 is the main view of petal shape sealing ring in catheter sheath external member used in arthrocsopic surgery.
Figure 19 is the main view of cambered surface sealing ring in catheter sheath external member used in arthrocsopic surgery.
Figure 20 is the main view of tabletting in catheter sheath external member used in arthrocsopic surgery.
Figure 21 is the perspective view of improved catheter sheath main body in catheter sheath external member used in arthrocsopic surgery.
Figure 22 is the side view of improved catheter sheath main body in catheter sheath external member used in arthrocsopic surgery.
Figure 23 is the main view of improved catheter sheath main body in catheter sheath external member used in arthrocsopic surgery.
Figure 24 is the cross-sectional view in the improved direction catheter sheath main body E-E in catheter sheath external member used in arthrocsopic surgery.
Wherein: 1- catheter sheath；2- guide pin；11- bottom cover；12- catheter sheath main body；13- petal shape sealing ring；14- cambered surface
Sealing ring；15- tabletting；21- handle；22- guide pin main body；23- limit button；111- buckles fixing groove；112- limit button
Card hole；113- positioning column；121- water injection interface；122- air bag a；123- air bag b；124- instrument channel；125- gas injection interface；
126- air flue；131- location hole；132- diaphragm seal；141- is shrinkable circular hole；211- limit button fixation hole；212- limit button
Guide post；221- buckle；222- retention bead；223- conical head；224- limit button location hole；231- spacing head；232- row
Cheng Kong.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Embodiment 1
Catheter sheath external member used in a kind of arthrocsopic surgery, including catheter sheath 1 and guide pin 2, the one of the guide pin 2
End is mounted on catheter sheath 1, and guide pin 2 includes handle 21, limit button 23 and guide pin main body 22, and guide pin main body 22 passes through
Buckle structure is connected with handle 21 and guide pin main body 22 is extended except handle 21, and limit button 23 is mounted on handle 21
Outside, catheter sheath 1 include bottom cover 11, catheter sheath main body 12, sealing ring and tabletting 15, and catheter sheath main body 12 is connect simultaneously with bottom cover 11
And the centre of catheter sheath main body 12 is provided with instrument channel 124, sealing ring is multilayer and multi-layer sealed circle is mounted on catheter sheath
Between main body 12 and bottom cover 11, compressed between sealing ring using tabletting 15.
Limit button fixation hole 211 and limit button guide post 212 are provided on handle 21, the top of limit button 23 is
Spacing head 231, the bottom of limit button 23 are equipped with stroke hole 232, and one end of guide pin main body 22 is equipped with buckle 221 and limit is pressed
Button location hole 224, the bottom of guide pin main body 22 are provided with retention bead 222, and the top of guide pin main body 22 is conical head
223, spring is connected between stroke hole 232 and the limit button guide post 212 of handle 21, spacing head 231 ejects guide pin master
Except the limit button location hole 224 of body 22.
Bottom cover 11 includes buckle fixing groove 111, limit button card hole 112 and positioning column 113, is circular hole among bottom cover 11.
The junction of catheter sheath main body 12 and bottom cover 11 is equipped with water injection interface 121 and gas injection interface 125, catheter sheath main body 12
On be provided with air bag a 122 and air bag b 123, connected between air bag a 122 and air bag b 123 by air flue 126.
Embodiment 2
Catheter sheath external member used in a kind of arthrocsopic surgery, including catheter sheath 1 and guide pin 2, the one of the guide pin 2
End is mounted on catheter sheath 1, and guide pin 2 includes handle 21, limit button 23 and guide pin main body 22, and guide pin main body 22 is inserted into
In handle 21 and ultrasonic bonding is integrated, and limit button 23 is mounted on the outside of handle 21, catheter sheath 1 include bottom cover 11,
Catheter sheath main body 12, sealing ring and tabletting 15, catheter sheath main body 12 is connect with bottom cover 11 and the centre of catheter sheath main body 12 is set
It is equipped with instrument channel 124, sealing ring is multilayer and multi-layer sealed circle is mounted between catheter sheath main body 12 and bottom cover 11, is sealed
It is compressed between circle using tabletting 15.
Sealing ring includes petal shape sealing ring 13 and cambered surface sealing ring 14, is equipped with location hole in petal shape sealing ring 13
131 and the positioning column 113 of location hole 131 and bottom cover 11 cooperate, the centre of petal shape sealing ring 13 is multiple petal close
Mounting 132, mutually close superposition cooperation between petal diaphragm seal 132 are shrinkable circular hole among cambered surface sealing ring 14
141。
Catheter sheath main body 12 and bottom cover 11 can be connected through a screw thread, and can also be fixedly connected by techniques such as welding, petal
Shape sealing ring 13 is mounted on the bottom of bottom cover 11, and cambered surface sealing ring 14 is equipped with two layers.
In use, guide pin 2 is inserted into catheter sheath 1, buckle 211 and buckle fixing groove 111 are fixed, rotating handle 21
Limit button card hole 112 is arrived on the top of spacing head 231 of limit button 23, guide pin 2 and catheter sheath 1 are worked good at this time；Then lead to
Gas injection interface 125 is crossed to inflate to air bag, hand-held handle 21 insert the device into it is pre- cut enter paths, due between two air bags
Equipped with air flue 126, due to being under pressure when insertion, the gas in air bag b 123 enters air bag a 122, insertion by air flue 126
Portion gas in rear gasbag a 122 passes through air flue 126 again and enters air bag b 123, presses limit button 23 after the completion, reversed to revolve
Handle 21 is changed hands, guide pin 2 is extracted.Two air bags can maintain the position in operation, prevent from sliding, petal shape sealing ring 13
It can achieve better seal effect with cambered surface sealing ring 14, preferably realize the purpose for preventing leakage, guide pin 2 can be more preferable
And catheter sheath 1 cooperate, facilitate operation to avoid during being inserted into the phenomenon that rotating simultaneously.
Embodiment 3
Embodiment 2 is roughly the same with the main structure of embodiment 1, the difference is that in embodiment 1, outside the bottom cover 11
Packet is fixed on catheter sheath 1, and the bottom cover 11 in the present embodiment is inscribed and is fixed in catheter sheath main body 12.
It should be strongly noted that passing through the location structure of guide pin 2 and catheter sheath 1, multi-layer sealed circle etc. in the application
The cooperation of component efficiently solves the problems such as catheter sheath 1 is inserted into difficulty in existing arthrocsopic surgery.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. catheter sheath external member used in a kind of arthrocsopic surgery, including catheter sheath (1) and guide pin (2), the guide pin (2)
One end be mounted on catheter sheath (1), which is characterized in that guide pin (2) includes handle (21), limit button (23) and guide pin
Main body (22), guide pin main body (22) are inserted into handle (21) and are extended except handle (21), limit button (23) installation
In the outside of handle (21), catheter sheath (1) includes bottom cover (11), catheter sheath main body (12), sealing ring and tabletting (15), catheter sheath
Main body (12) is connect with bottom cover (11) and the centre of catheter sheath main body (12) is provided with instrument channel (124), and sealing ring is more
Layer and it is multi-layer sealed circle be mounted between catheter sheath main body (12) and bottom cover (11), between sealing ring using tabletting (15) pressure
Tightly.
2. catheter sheath external member used in arthrocsopic surgery according to claim 1, which is characterized in that the handle (21)
On be provided with limit button fixation hole (211) and limit button guide post (212), the top of limit button (23) is spacing head
(231), the bottom of limit button (23) is equipped with stroke hole (232), and one end of guide pin main body (22) is equipped with buckle (221) and limits
Position button location hole (224), the bottom of guide pin main body (22) are provided with retention bead (222), the top of guide pin main body (22)
Portion is conical head (223), is connected with spring between the limit button guide post (212) of stroke hole (232) and handle (21).
3. catheter sheath external member used in arthrocsopic surgery according to claim 1, which is characterized in that the bottom cover (11)
It is circular hole among bottom cover (11) including buckle fixing groove (111), limit button card hole (112) and positioning column (113).
4. catheter sheath external member used in arthrocsopic surgery according to claim 1 or 3, which is characterized in that the conduit
The junction of sheath main body (12) and bottom cover (11) is equipped with water injection interface (121) and gas injection interface (125), in catheter sheath main body (12)
Setting is connected between two air bags by air flue (126) there are two air bag.
5. catheter sheath external member used in arthrocsopic surgery according to claim 1, which is characterized in that the sealing ring packet
Petal shape sealing ring (13) and cambered surface sealing ring (14) are included, location hole (131) is equipped in petal shape sealing ring (13) and is determined
The positioning column (113) in position hole (131) and bottom cover (11) cooperates, and the centre of petal shape sealing ring (13) is multiple petal sealings
Piece (132), intermediate cambered surface sealing ring (14) is shrinkable circular hole (141).
6. catheter sheath external member used in arthrocsopic surgery according to claim 5, which is characterized in that the catheter sheath master
Body (12) is connected through a screw thread with bottom cover (11) to be connected, and petal shape sealing ring (13) is mounted on the bottom of bottom cover (11), and cambered surface is close
Seal (14) is equipped with two layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920214716.XU CN209595805U (en) | 2019-02-20 | 2019-02-20 | Catheter sheath external member used in a kind of arthrocsopic surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920214716.XU CN209595805U (en) | 2019-02-20 | 2019-02-20 | Catheter sheath external member used in a kind of arthrocsopic surgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209595805U true CN209595805U (en) | 2019-11-08 |
Family
ID=68402454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920214716.XU Expired - Fee Related CN209595805U (en) | 2019-02-20 | 2019-02-20 | Catheter sheath external member used in a kind of arthrocsopic surgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209595805U (en) |
-
2019
- 2019-02-20 CN CN201920214716.XU patent/CN209595805U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191108 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |