CN209315987U - Biliary tract stone extraction basket - Google Patents
Biliary tract stone extraction basket Download PDFInfo
- Publication number
- CN209315987U CN209315987U CN201821998681.5U CN201821998681U CN209315987U CN 209315987 U CN209315987 U CN 209315987U CN 201821998681 U CN201821998681 U CN 201821998681U CN 209315987 U CN209315987 U CN 209315987U
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- China
- Prior art keywords
- line
- drag
- mesh basket
- chamber
- basket
- 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
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Abstract
Biliary tract stone extraction basket, including sheath, stretch ring, drag-line, mesh basket and self-locking device, sheath is hollow tubular, it include drag-line chamber and mesh basket chamber among sheath, drag-line is arranged in drag-line chamber, mesh basket is arranged in mesh basket chamber, drag-line one end connects mesh basket, the drag-line other end connects stretch ring, the side wall of drag-line chamber is equipped with self-locking device, self-locking device contacts with drag-line and limits drag-line to the movement of mesh basket side, visualization device includes control unit, the ministry of photography, illumination portion, rotating part, transport part and display unit, rotating part is equipped with the ministry of photography and illumination portion, installation cavity is equipped with above mesh basket chamber, rotating part is arranged in installation cavity, transport part is by rotating part, the ministry of photography and illumination portion are connected to control unit, control unit connects display unit.The utility model provide a kind of structure is simple, prevent calculus from slipping, user does not need to tense always stretch ring, can in real time inspection bile duct the case where calculus, the adjustable biliary tract stone extraction basket of camera angle.
Description
Technical field
The utility model relates to medical instruments fields, are more particularly to biliary tract stone extraction basket.
Background technique
Liver inside and outside bile duct stone is frequently-occurring disease and common disease in China, and the calculus in choledochus can cause obstruction of biliary tract secondary
Jaundice, cholangitis even pancreatitis threat to life.The minimally invasive operation on biliary tract of laparoscope has been the trend of biliary surgery, abdominal cavity at present
The traditional mesh basket of mirror operation on biliary tract application carries out taking stone, but traditional mesh basket has defect below:
1, since suppurating in biliary tract there are bile or inflammation causes calculus surfaces wet and slippery, and traditional mesh basket is to use
Cylindrical steel wire is made, the contact area of steel wire and calculus first it is small plus calculus surfaces it is wet and slippery, cause traditional mesh basket to take stone
Effect is bad；
2, the stretch ring after being got calculus using traditional mesh basket is tensed, but there may be other during tensing
Operation cause stretch ring release cause calculus to have slippage, take stone low efficiency；
3, the specific distribution situation of calculus has no idea to verify during surgical calculus removing in biliary tract, can only exist by doctor
Slowly grope in surgical procedure, stone low efficiency, operating time is taken also to grow in this way.
Utility model content
To solve the above-mentioned problems, the utility model provides that a kind of structure is simple, prevents that calculus from slipping, user is not required to
To tense always stretch ring, can in real time inspection bile duct the case where calculus, the adjustable biliary tract stone extraction basket of camera angle.
One aspect according to the present utility model, provides biliary tract stone extraction basket, including sheath, stretch ring, drag-line, mesh basket and
Self-locking device, sheath are hollow tubular, include drag-line chamber and mesh basket chamber among sheath, drag-line setting is in drag-line chamber, mesh basket setting
In mesh basket chamber, drag-line one end connects mesh basket, and the drag-line other end connects stretch ring, and the side wall of drag-line chamber is equipped with self-locking device, from
Locking device is contacted with drag-line and to limit drag-line mobile to mesh basket side, visualization device include control unit, the ministry of photography, illumination portion,
Rotating part, transport part and display unit, rotating part are equipped with the ministry of photography and illumination portion, are equipped with installation cavity, rotating part above mesh basket chamber
It is arranged in installation cavity, rotating part, the ministry of photography and illumination portion are connected to control unit by transport part, and control unit connects display unit.
In some embodiments, mesh basket includes several wires, and the top of metal wire is arc-shaped arc top, metal
The bottom of line is tip by the arc-shaped gradually transition at top, and tip is equipped with staggered sawtooth, and the both ends of several metal wires are equal
It is fixed together to form the first fixing end and the second fixing end, the arc top of several wires pieces together complete circle, sawtooth
It is directed to arc top and pieces together the circular center of circle, the first fixing end connects drag-line, and the second fixing end stretches out mesh basket chamber, the second fixing end
Have arc-shaped surface.
In some embodiments, metal wire is equipped with 4.
In some embodiments, self-locking device include the mounting hole being located on drag-line chamber side wall, union (screwed)bonnet (UB, pull ring,
Spring, the first helical teeth and the second helical teeth, the first helical teeth top connect pull ring, spring are equipped between the first helical teeth and union (screwed)bonnet (UB,
Pull ring passes through the outer wall that union (screwed)bonnet (UB stretches out sheath, stretches out drag-line cavity wall under the first helical teeth stationary state, if fixed on drag-line
Dry second helical teeth, the first helical teeth and the second helical teeth cooperate, and the first helical teeth is equipped with vertical plane and inclined-plane, and inclined-plane is against mesh basket one
End, the vertical plane is against stretch ring one end, the second vertical plane and the second inclined-plane that the second helical teeth is equipped with, and the second inclined-plane is opposite
Stretch ring one end, the second vertical plane be equipped with against mesh basket one end, at the top of pull ring with sheath outer wall card and lifting block.
In some embodiments, rotating part includes motor, first gear, second gear, mounting disc and bearing, the electricity
The output shaft of machine is equipped with first gear, and the center of the mounting disc is equipped with second gear, and the excircle of the mounting disc passes through
Bearing is located in installation cavity, and the first gear is engaged with second gear, and the ministry of photography and illumination portion are installed in the mounting disc.
In some embodiments, the outside of installation cavity is equipped with arc-shaped protective cover and covers the ministry of photography and illumination portion, institute
Stating protective cover is the arc-shaped and transparent of outwardly convex.
In some embodiments, control unit includes processor and power supply connected to the processor and regulates and controls plate, described
Transport part includes power supply line and data line, and the power supply line is connected to power supply and the ministry of photography, illumination portion and motor, the number
Camera and processor are connected according to transmission line.
In some embodiments, control unit is equipped with VGA and/or HDMI interface.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model biliary tract stone extraction basket；
Fig. 2 is the cross-sectional view of the utility model biliary tract stone extraction basket；
Fig. 3 is the structural schematic diagram of the mesh basket rounding state of the utility model biliary tract stone extraction basket；
Fig. 4 is the structural schematic diagram of the mesh basket open configuration of the utility model biliary tract stone extraction basket；
Fig. 5 is the structural schematic diagram of the self-locking device of the utility model biliary tract stone extraction basket；
Fig. 6 is the partial enlarged view of part A in Fig. 5；
Fig. 7 is the structural schematic diagram of the rotating part of the utility model biliary tract stone extraction basket；
Fig. 8 is the schematic diagram of the utility model biliary tract stone extraction basket.
Specific embodiment
The utility model is further described With reference to embodiment.
As depicted in figs. 1 and 2, biliary tract stone extraction basket described in the utility model comprising sheath 1, stretch ring 2, drag-line 3,
Mesh basket 4, self-locking device 5 and visualization device 6, sheath 1 are hollow tubular, include drag-line chamber 11 and mesh basket chamber 12 among sheath 1,
The setting of drag-line 3 is in drag-line chamber 11, and for the setting of mesh basket 4 in mesh basket chamber 12,3 one end of drag-line connects mesh basket 4, and the connection of 3 other end of drag-line is led
The side wall of pull ring 2, drag-line chamber 11 is equipped with self-locking device 5, and self-locking device 5 contacts with drag-line 3 and limits drag-line 3 to mesh basket 4 one
Side is mobile.Upper self-locking device 5 by the way that drag-line chamber 11 is arranged in is realized after mesh basket 4 gets calculus, is drawn using drag-line 3
Tightly, self-locking device 5, which can lock drag-line 3, prevents drag-line 3 mobile, does not need doctor and holds stretch ring 2 always, liberates doctor's
Hand mitigates the burden of doctor.
Visualization device 6 includes control unit 61, the ministry of photography 62, illumination portion 63, rotating part 64, transport part 66 and display unit
66, rotating part 64 is equipped with the ministry of photography 62 and illumination portion 63, and installation cavity 13 is equipped with above mesh basket chamber 11, and the setting of rotating part 64 is being pacified
It behave affectedly in 13, rotating part 64, the ministry of photography 62 and illumination portion 63 are connected to control unit 61, the connection display of control unit 61 by transport part 66
Portion 66.By the setting visualization device 6 in existing stone extraction basket, realization is seen in bile duct in real time during taking stone
The case where calculus, reduces operating time.The case where using rotating part 64 convenient for observing the calculus in bile duct, in mesh basket 4 or gallbladder
In the case where not seeing in pipe, the position in revolving camera portion 62, in order to see the position of calculus clearly；Using illumination portion 63 in gallbladder
The case where light is provided in the case that light is dark and gloomy in road, the ministry of photography 62 can be made to see calculus clearly；Using transport part 66 by figure
Signal is transferred to control unit 61 and shows image information on display unit 66, while controlling rotating part 64 using control unit 61 and rotating
Angle, settle accounts the position of stone in order to which the ministry of photography 62 can be shot.
As shown in Figure 3 and Figure 4, mesh basket 4 includes several wires 41, and the top of metal wire 41 is arc-shaped arc top
42, the bottom of metal wire 41 is tip 43 by the arc-shaped gradually transition at top, and tip 43 is equipped with staggered sawtooth 44, several
The both ends of metal wire 41, which are each attached to, is formed together the first fixing end 45 and the second fixing end 46.Utilize staggered and sharp saw
Tooth 44 is convenient for the frictional force between increase metal wire 41 and calculus.
The arc top 42 of several wires 41 pieces together complete circle, sawtooth 44 be directed to arc top 42 piece together it is circular
The center of circle.Metal wire 41 is equipped with 4.It is sharp convenient for be protected to the biliary tract of patient in use using arc top 42
Right angle is damaged biliary tract, arc top 42 is pieced together circle, mesh basket chamber 12 easy to process, while reducing the diameter of sheath 1 as far as possible,
Because sawtooth 44 is pieced together the circular center of circle to arc top 42 and is arranged, prevent sharp sawtooth by the diameter of choledochus in 8mm or so
44 stab bile duct.Simultaneously in order to guarantee that calculus enters mesh basket 4 as far as possible, therefore the quantity of metal wire 41 cannot be too many, optimal
Metal wire 41 is equipped with 4.
First fixing end 45 connects drag-line 3, and the second fixing end 46 stretches out mesh basket chamber 12.Second fixing end 46 has circular arc
The surface of shape.Using arc-shaped convenient in gallbladder in-pipe, preventing from scratching bile duct inner wall.
As shown in Figure 5 and Figure 6, self-locking device 5 include be located on 11 side wall of drag-line chamber mounting hole 51, union (screwed)bonnet (UB 52,
Pull ring 53, spring 54, the first helical teeth 55 and the second helical teeth 56 connect pull ring 53, the first helical teeth 55 and spiral shell at the top of first helical teeth 55
Spring 54 is equipped between line gland 52, pull ring 53 passes through the outer wall that union (screwed)bonnet (UB 52 stretches out sheath 1,55 stationary state of the first helical teeth
Lower 11 inner wall of stretching drag-line chamber, several second helical teeth 56 are fixed on drag-line 3, and the first helical teeth 55 and the second helical teeth 56 cooperate.It utilizes
First helical teeth 55 guarantees to lock at any time in the drag-line 3 of tension with the cooperation of the second helical teeth 56, will not move, not need one vertical pulling of doctor
The hand of doctor is liberated in firmly stretch ring 2, mitigates the burden of doctor.
First helical teeth 55 is equipped with vertical plane 551 and inclined-plane 552, and inclined-plane 552 is against 4 one end of mesh basket, the vertical plane 551
Opposite 2 one end of stretch ring, the second vertical plane 561 and the second inclined-plane 562 that the second helical teeth 56 is equipped with, the second inclined-plane 562 are opposite
2 one end of stretch ring, the second vertical plane 561 is against 4 one end of mesh basket.Pass through contacting with each other for vertical plane 551 and the second vertical plane 561
Can prevent the drag-line 3 tensed from unclamping again causes calculus to slip, and is guaranteed using inclined-plane 552 with the contact on the second inclined-plane 562
When pulling back drag-line 3, the second inclined-plane 562 is upward by inclined-plane 552, does not influence pulling back for drag-line 3.
At the top of pull ring 53 be equipped with 1 outer wall card of sheath and lifting block 57.When not needing the work of the first helical teeth 55, will lift
Liter block 57 presses to 53 or less pull ring and the first helical teeth 55 is moved up to the movement for not influencing drag-line 3.
Again when it is implemented, lifting block 57, which is pressed to 53 or less pull ring and moved up the first helical teeth 55, first does not influence drag-line
3 movement；It is pushed forward using drag-line 3, mesh basket 4 stretches out mesh basket chamber 12, and opens；The position of mesh basket 4 is adjusted until will tie
Stone drops into mesh basket 4；Lifting block 57 is pushed aside to stretch out the first helical teeth 55 under the effect of spring 54 other than pull ring 53 and is installed
Outside hole 51；Pull stretch ring 2 so that drive drag-line 3 move backward, the second inclined-plane 562 is contacted with inclined-plane 552, and by spring 54 to
Upper extruding, and then the movement of the first helical teeth 55 does not influence pulling back for drag-line 3；The vertical plane 551 and after drag-line 3 compresses
The contacting with each other of two vertical planes 561, which can prevent the drag-line 3 tensed from unclamping again, causes calculus to slip, and finally takes out calculus.
As shown in fig. 7, rotating part 64 includes motor 641, first gear 642, second gear 643, mounting disc 644 and bearing
646, the output shaft of motor 641 is equipped with first gear 642, and the center of mounting disc 644 is equipped with second gear 643, mounting disc 644
Excircle be located in installation cavity 13 by bearing 646, first gear 642 is engaged with second gear 643.It is driven by motor 641
Dynamic mounting disc 644 rotates, and it is more smooth to be easily installed the rotation of disk 644 using bearing 646.
The ministry of photography 62 and illumination portion 63 are installed in mounting disc 644.The ministry of photography 62 and illumination portion 63 are driven using mounting disc 644
Rotation, convenient for observation bile duct in calculus the case where, in mesh basket 4 or bile duct in the case where not seeing, revolving camera portion
62 position, in order to see the position of calculus clearly.
The outside of installation cavity 13 is equipped with arc-shaped protective cover 646 and covers the ministry of photography 62 and illumination portion 63, and protective cover 646 is
Outwardly convex it is arc-shaped and transparent.Sealing function is played using protective cover 646, prevents liquid from entering in electronic component.
As shown in figure 8, control unit 61 includes processor 611 and the power supply 612 connecting with processor 611 and regulation plate
613, transport part 66 includes power supply line 661 and data line 662, and power supply line 661 is connected to power supply 612 and the ministry of photography 62, illumination
Portion 63 and motor 641, data line 662 connect camera and processor 611.In the specific implementation, it is first turned on control
Portion 61, power supply 612 are powered to processor 611, regulation 613 the ministry of photography 62 of plate, illumination portion 63 and motor 641, utilize regulation plate
613 issue signal to processor 611, to control the switch of the ministry of photography 62 and illumination portion 63 and control the positive and negative rotation of motor 641,
Picture signal is fed back into processor 611 by data line 662 when the ministry of photography 62 operates, and is shown on display unit 66
Video.Since the diameter of bile duct is in 8mm or so, the ministry of photography 62 generallys use the miniature webcam of diameter 1mm or so, illumination
Portion 63 uses led major light pearl.
Control unit 61 is equipped with VGA and/or HDMI interface, using VGA or HDMI interface that the ministry of photography 62 is collected
Video information is shown in others display equipment, projector is especially connected in the course of surgery, by the real-time figure in bile duct
Shape is transmitted out, and doctor in the course of surgery, directly sees that projection just can learn the accurate location of calculus, and raising takes stone efficiency,
Reduce operating time.
Above-described is only some embodiments of the utility model, it is noted that for the ordinary skill of this field
For personnel, under the premise of not departing from the concept of the utility model, other modification and improvement can also be made, these are all
Belong to the protection scope of the utility model.
Claims (8)
1. biliary tract stone extraction basket, which is characterized in that including sheath, stretch ring, drag-line, mesh basket, self-locking device and visualization device,
The sheath is hollow tubular, includes drag-line chamber and mesh basket chamber among the sheath, and the drag-line is arranged in drag-line chamber, the net
In mesh basket chamber, described drag-line one end connects mesh basket for basket setting, and the drag-line other end connects stretch ring, the side wall of the drag-line chamber
It is equipped with self-locking device, the self-locking device contacts with drag-line and limits drag-line to the movement of mesh basket side, the visualization device
Including control unit, the ministry of photography, illumination portion, rotating part, transport part and display unit, the rotating part is equipped with the ministry of photography and illumination
Portion is equipped with installation cavity above the mesh basket chamber, and the rotating part is arranged in installation cavity, and the transport part is by rotating part, photography
Portion and illumination portion are connected to control unit, and the control unit connects display unit.
2. biliary tract stone extraction basket according to claim 1, which is characterized in that the mesh basket includes several wires, institute
The top for stating metal wire is arc-shaped arc top, and the bottom of the metal wire is tip, institute by the arc-shaped gradually transition at top
Tip is stated equipped with staggered sawtooth, the both ends of several metal wires, which are each attached to, is formed together the first fixing end and second solid
Fixed end, the arc top of several wires piece together complete circle, and the sawtooth is directed to arc top and pieces together the circular center of circle, institute
The first fixing end connection drag-line is stated, second fixing end stretches out mesh basket chamber, and second fixing end has arc-shaped table
Face.
3. biliary tract stone extraction basket according to claim 2, which is characterized in that the metal wire is equipped with 4.
4. biliary tract stone extraction basket according to claim 3, which is characterized in that the self-locking device includes being located at drag-line chamber side
Mounting hole, union (screwed)bonnet (UB, pull ring, spring, the first helical teeth and the second helical teeth on wall, the first helical teeth top connect pull ring,
It is equipped with spring between first helical teeth and union (screwed)bonnet (UB, the pull ring passes through the outer wall that union (screwed)bonnet (UB stretches out sheath, and described the
Drag-line cavity wall is stretched out under one helical teeth stationary state, fixes several second helical teeth, first helical teeth and second on the drag-line
Helical teeth cooperation, first helical teeth are equipped with vertical plane and inclined-plane, and against mesh basket one end, the vertical plane is opposite to be led on the inclined-plane
Pull ring one end, the second vertical plane and the second inclined-plane that second helical teeth is equipped with, second inclined-plane against stretch ring one end,
Second vertical plane be equipped with against mesh basket one end, at the top of the pull ring with sheath outer wall card and lifting block.
5. biliary tract stone extraction basket according to claim 1, which is characterized in that the rotating part include motor, first gear,
Second gear, mounting disc and bearing, the output shaft of the motor are equipped with first gear, and the center of the mounting disc is equipped with second
The excircle of gear, the mounting disc is located in installation cavity by bearing, and the first gear is engaged with second gear, the peace
The ministry of photography and illumination portion are installed in sabot.
6. biliary tract stone extraction basket according to claim 5, which is characterized in that the outside of the installation cavity is equipped with arc-shaped
Protective cover covers the ministry of photography and illumination portion, and the protective cover is the arc-shaped and transparent of outwardly convex.
7. biliary tract stone extraction basket according to claim 6, which is characterized in that the control unit includes processor, Yi Jiyu
The power supply and regulation plate of processor connection, the transport part includes power supply line and data line, and the power supply line is connected to power supply
With the ministry of photography, illumination portion and motor, the data line connection camera and processor.
8. biliary tract stone extraction basket according to claim 7, which is characterized in that the control unit is equipped with VGA and/or HDMI
Interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821998681.5U CN209315987U (en) | 2018-11-30 | 2018-11-30 | Biliary tract stone extraction basket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821998681.5U CN209315987U (en) | 2018-11-30 | 2018-11-30 | Biliary tract stone extraction basket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209315987U true CN209315987U (en) | 2019-08-30 |
Family
ID=67712261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821998681.5U Expired - Fee Related CN209315987U (en) | 2018-11-30 | 2018-11-30 | Biliary tract stone extraction basket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209315987U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111803141A (en) * | 2020-07-07 | 2020-10-23 | 西安交通大学医学院第一附属医院 | Umbrella-shaped negative pressure suction forceps for soft tissue specimens |
-
2018
- 2018-11-30 CN CN201821998681.5U patent/CN209315987U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111803141A (en) * | 2020-07-07 | 2020-10-23 | 西安交通大学医学院第一附属医院 | Umbrella-shaped negative pressure suction forceps for soft tissue specimens |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190830 Termination date: 20201130 |