CN211934198U - Bile duct calculus removing device - Google Patents
Bile duct calculus removing device Download PDFInfo
- Publication number
- CN211934198U CN211934198U CN202020012713.0U CN202020012713U CN211934198U CN 211934198 U CN211934198 U CN 211934198U CN 202020012713 U CN202020012713 U CN 202020012713U CN 211934198 U CN211934198 U CN 211934198U
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- China
- Prior art keywords
- negative pressure
- handle
- pressure suction
- bile duct
- air bag
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- 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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- 210000000013 bile duct Anatomy 0.000 title abstract description 16
- 239000004575 stone Substances 0.000 claims abstract description 39
- 238000002347 injection Methods 0.000 claims abstract description 10
- 239000007924 injection Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 59
- 238000005507 spraying Methods 0.000 claims description 32
- 206010004637 Bile duct stone Diseases 0.000 claims description 17
- 239000012528 membrane Substances 0.000 claims description 15
- 239000007921 spray Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 210000003445 biliary tract Anatomy 0.000 abstract description 20
- 230000002980 postoperative effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 14
- 238000002504 lithotomy Methods 0.000 description 11
- 238000005406 washing Methods 0.000 description 7
- 230000006378 damage Effects 0.000 description 5
- 238000011010 flushing procedure Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 208000034656 Contusions Diseases 0.000 description 2
- 208000032843 Hemorrhage Diseases 0.000 description 2
- 230000009519 contusion Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 206010052428 Wound Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 208000003167 cholangitis Diseases 0.000 description 1
- 210000001953 common bile duct Anatomy 0.000 description 1
- 238000002674 endoscopic surgery Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000002601 radiography Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000002485 urinary effect Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of medical instruments, and discloses a bile duct calculus taking-out device which is provided with a handle and a gun body, wherein the handle is movably arranged on the gun body through a rotatable adjusting knob; the negative pressure drainage device, the injection device, the inflation device and the clamping device are all embedded in the handle and the gun body. The design of the handle of the utility model is in accordance with human engineering, the handle is not easy to fatigue when being held for a long time, and the operation burden of an operator is reduced; can protect the biliary tract, can simultaneously clean small stones and larger stones in the biliary tract, shorten the operation time, lighten the workload of an operator, and improve the postoperative state of a patient.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, especially, relate to a bile duct calculus remove device.
Background
At present, bile duct stones are frequently encountered diseases and common diseases in adults in China, and can cause biliary obstruction, cholangitis and even endanger life. With the rapid development of minimally invasive surgery, the laparoscopic common bile duct choledochostomy choledochoscope lithotomy is the main operation mode for treating bile duct calculus at present. The existing bile duct calculus removing mode is troublesome to operate, time-consuming and labor-consuming, difficult to remove and clean calculus and easy to cause biliary contusion or biliary hemorrhage; when the existing stone-taking net basket is used for taking stones from the biliary tract, stones are easy to slip out of the net bag, the stone-taking difficulty is high, larger stones are difficult to take out, small broken stones and larger broken stones in the biliary tract are difficult to take into consideration, the experience requirement on an operation operator is high, the operation time is prolonged, the operation time is long, the pain of a patient is increased, and the operation treatment effect is influenced.
In summary, the problems of the prior art are as follows:
(1) the existing metal hard lithotomy forceps are used for exploring and lithotomy along the direction of a bile duct, the mode requires rich experience of an operator, usually only three stages of bile ducts can be accessed, the lithotomy forceps are suitable for large calculus, the lithotomy forceps are not ideal in lithotomy effect on large, small or mud-like calculus, even the biliary tract is extremely easy to damage in operation, and the operation curative effect is influenced.
(2) When the existing special stone-taking basket for the choledochoscope is used for taking stones from the biliary tract, stones are easy to slip out of the net bag, the stone-taking difficulty is high, large stones are difficult to take out, and small broken stones and large broken stones in the biliary tract are difficult to take into consideration, so that the requirement on the experience of an operation operator is high, the operation time is prolonged, the operation time is long, the pain of a patient is increased, and the operation treatment effect is influenced.
(3) The existing disposable rubber catheter is inserted into the bile duct and then washed, the mode is more mild compared with a mode of adopting a metal hard lithotomy forceps, the disposable rubber catheter is suitable for endoscopic surgery, only can wash the biliary tract, cannot effectively take out large stones, and a large gap exists between the disposable rubber catheter and the bile duct, so that the biliary tract is easy to flow backwards during washing, the lithotomy effect is poor, and biliary tract radiography in the operation cannot be carried out.
The difficulty of solving the technical problems is as follows:
(1) bile duct stones are different in size, the taking-out device is difficult to take small broken stones and large broken stones into consideration, and the difficulty in taking out all the stones at one time is large; the metal hard lithotomy forceps can only enter a third-level bile duct generally, is suitable for larger calculus and has poor effect on more, smaller or muddy calculus; the disposable urinary catheter is inserted into the bile duct to wash and is easy to reflux, so that the washing pressure is not enough, the stone removing effect is not ideal, and larger stones cannot be taken out; the special stone-taking basket for the choledochoscope is relatively effective for smaller stones, but cannot be effectively taken out for larger stones.
(2) The calculus removing time is long, so that the pain of a patient is easily increased and the operation treatment effect is influenced.
(3) For operators with less experience, the biliary tract contusion and even hemorrhage caused by damage to biliary tissue are extremely easy to occur, and the medical safety quality of the operation is affected.
The significance of solving the technical problems is as follows:
the problem that the existing equipment takes much time in the process of taking out the bile duct stones is solved; the problem that the existing equipment can not take out large stones and small stones at the same time at one time is solved; the utility model discloses it is long when can shortening the operation, alleviate operation operator's work burden, reduce the wind direction that biliary tract contused wound or biliary tract bleed to can improve patient's postoperative state.
Disclosure of Invention
To the problem that prior art exists, the utility model provides a bile duct calculus remove device.
The utility model is realized in such a way that the bile duct stone taking-out device is provided with a handle and a gun body, wherein the handle is movably arranged on the gun body through a rotatable adjusting knob;
the negative pressure drainage device, the injection device, the inflation device and the clamping device are all embedded in the handle and the gun body.
Further, the bile duct stone removing device is a hard structure for directly operating stones at a shallow part or a flexible pipe with plasticity for deeply removing stones and treating broken stones.
The negative pressure drainage device is provided with a negative pressure suction pipe interface, the negative pressure suction pipe interface is embedded at the upper end of the handle, the input end of the negative pressure suction pipe interface is communicated with the negative pressure suction device, the output end of the negative pressure suction pipe interface is communicated with the negative pressure suction pipe, the negative pressure suction pipe is embedded in the gun body, and the tail end of the negative pressure suction pipe is provided with a water permeable reticular membrane.
Furthermore, the spraying device is provided with a spraying water pipe connector which is embedded at the upper end of the handle, the input end of the spraying water pipe connector is communicated with the water filling device, the output end of the spraying water pipe connector is communicated with a spraying water pipe, the spraying water pipe is embedded in the gun body, and the tail end of the spraying water pipe is provided with a spraying opening.
Further, the inflation device is provided with an air bag conduit interface, the air bag conduit interface is embedded on the handle, the input end of the air bag conduit interface is communicated with the inflator, the output end of the air bag conduit interface is communicated with the air bag conduit, the air bag conduit is arranged in the gun body, and the tail end of the air bag conduit is communicated with the inflation air bag.
Furthermore, the clamping device is provided with an operating handle, the operating handle is clamped on the handle, the output end of the operating handle is connected with the clamping pliers through a steel wire, and the clamping pliers are arranged at the front end of the gun body.
Furthermore, a through hole for the negative pressure suction tube, the spraying water tube and the air bag catheter to pass through is arranged on the rotatable adjusting knob.
Further, the negative pressure suction tube is of a hollow structure. The laser lithotripter is accommodated in the hollow structure.
Furthermore, the opening included angle of the pinchers capable of being clamped and closed is 0-150 degrees, and the rotating angle of the pinchers capable of being clamped and closed is 0-360 degrees.
Furthermore, the head of the water injection pipe is designed with an arc structure, the water outlet direction of the injection port is over against the permeable reticular membrane, and the pipe diameter of the injection port at the water outlet end is gradually reduced.
Further, the head of the inflatable air bag is arc-shaped.
The utility model discloses an actively the effect does: compared with the traditional metal hard lithotomy forceps, the utility model can not only remove larger calculus, but also wash smaller, thinner or mud-like calculus, and has better lithotomy effect; compared with the special stone-taking basket for the choledochoscope, the utility model can form a relatively closed space after the air bag is inflated, small stones are not easy to leak out, and can be washed, and simultaneously, the clamp can clamp and take larger stones; the disposable rubber catheter of contrast is washed along the biliary tract, the utility model discloses can solve it and wash easy palirrhea shortcoming, can guarantee certain washing pressure in relative airtight space to have good recovery unit, improved and got the stone effect. Simultaneously the utility model discloses integrated negative pressure suction device, easy operation, the effect is obvious. Furthermore, the utility model discloses a handle design accords with the human engineering principle, grips indefatigability for a long time, has alleviateed operation operator's operation burden.
Drawings
Fig. 1 is a schematic structural view of a bile duct stone removing device provided by the embodiment of the invention.
Fig. 2 is a schematic structural view of a head of a bile duct stone extraction device provided by an embodiment of the invention.
Fig. 3 is a schematic structural view of the upper end of the handle according to the embodiment of the present invention.
In the figure: 1. a handle; 2. a negative pressure suction tube interface; 3. spraying a water pipe interface; 4. a balloon catheter hub; 5. the adjusting knob can be rotated; 6. a negative pressure suction tube; 7. a spray water pipe; 8. a balloon catheter; 9. the pliers can be clamped and closed; 10. an ejection port; 11. an inflatable air bag; 12. a water permeable reticulated film.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.
The structure of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, the bile duct stone removing device is a hard structure for directly handling a relatively shallow stone or a flexible tube having plasticity for deeply removing stones and treating broken stones.
The negative pressure suction device comprises a handle, a negative pressure suction tube, a spraying water tube, an air bag catheter, a rotatable adjusting device, a clamp and a water permeable reticular membrane. The handle accords with ergonomics, is not easy to fatigue after being held for a long time, and the upper part of the handle is provided with three interface structures which are respectively a negative pressure suction pipe interface, an injection water pipe interface and an air bag conduit interface and can be respectively connected with a negative pressure suction device, a water filling device and an air filling device, and the shapes of the three interface structures are matched. The negative pressure suction tube is of a hollow structure, the shape of the negative pressure suction tube is connected with the pinchers capable of being clamped and the water permeable reticular membrane, flushing liquid and small stones can be sucked, large stones are blocked on one side of the water permeable reticular membrane device, and then the pinchers capable of being clamped and closed clamp the large stones. The pinchers can be clamped and closed correspondingly along with the holding action of the handle, the maximum opening angle of the pinchers can reach 150 degrees, meanwhile, the pinchers can be clamped and closed correspondingly along with the rotation of the handle, and the rotation angle can reach 360 degrees. The head of the water spraying pipe is designed with a certain radian, so that the water outlet direction of the spraying nozzle is opposite to the permeable reticular membrane, and the pipe diameter of the spraying nozzle at the water outlet end is reduced, so that the flow speed of water flowing out is increased, and the flushing effect is achieved. The head of the air bag conduit is designed with the air bag conduit, after being inflated, the upper and the lower air bags are contacted to form a closed space inside the air bag conduit, so that flushing liquid and calculus are prevented from rushing out of the device, and the head of the air bag conduit is designed into an arc shape, so that the damage to biliary tract tissues can be reduced.
The handle for rotary fixation comprises a handle 1, a negative pressure suction pipe interface 2, an ejection water pipe interface 3 and an air bag catheter interface 4, wherein the negative pressure suction pipe interface 2 is connected with a negative pressure suction pipe, the ejection water pipe interface 3 is connected with an ejection water pipe, and the air bag catheter interface 4 is connected with an air bag catheter.
The negative pressure suction tube for adsorbing the broken stone and the flushing fluid comprises a negative pressure suction tube 6, one end of the negative pressure suction tube 6 is connected with the negative pressure suction tube connector 2, and the other end of the negative pressure suction tube is connected with the water-permeable reticular membrane.
The spraying water pipe for spraying the washing liquid comprises a spraying water pipe 7 and a spraying opening 10, wherein one end of the spraying water pipe 7 is connected with the spraying water pipe interface 3, and the other end of the spraying water pipe 7 is connected with the spraying opening 10.
The balloon catheter for making the closed space comprises a balloon catheter 8 and an inflatable balloon 11, wherein one end of the balloon catheter 8 is connected with a balloon catheter interface 4, and the other end of the balloon catheter 8 is connected with the inflatable balloon 11.
The rotatable adjusting device for controlling the pliers comprises a rotatable adjusting knob 5, wherein the rotatable adjusting knob 5 is connected with the handle 1, and a nozzle is distributed on the rotatable adjusting knob for passing through a negative pressure suction tube 6, a spray water tube 7 and a balloon catheter 8.
The clamp forceps for clamping larger calculus comprises a clamp forceps 9, and the clamp forceps 9 is connected with a negative pressure suction tube 6.
The water permeable mesh membrane for blocking larger stones comprises a water permeable mesh membrane 12, the water permeable mesh membrane 12 being connected to the negative pressure suction tube 6.
The negative pressure suction tube 6 is of a hollow structure. The laser lithotripter is accommodated in the hollow structure.
The pinchers 9 can be correspondingly closed along with the holding action of the handle 1, the maximum opening angle of the pinchers can reach 150 degrees, meanwhile, the pinchers can correspondingly rotate along with the rotation of the handle, and the rotation angle can reach 360 degrees.
The head of the injection water pipe 7 is designed with a certain radian, so that the water outlet direction of the injection port 10 is opposite to the water permeable reticular membrane 12, and the pipe diameter of the injection port at the water outlet end is reduced.
The head of the inflatable air bag is arc-shaped.
The utility model discloses a theory of operation is:
the bile duct calculus removing device is inserted into a bile duct calculus removing part through an operation incision, an inflatable air bag 11 at the top end of the device is designed to be arc-shaped, damage to biliary tract tissues can be reduced, an operator inflates an air bag catheter interface 4, inflation air flows into the inflatable air bag 11 through an air bag catheter 8, after inflation, the upper inflatable air bag 11 and the lower inflatable air bag 11 are in contact with each other to form a certain closed space at the inner side, and the air bag catheter interface 4 is closed.
The water pipe is connected with a spraying water pipe interface 3, water flow is sprayed from a spray opening 10 to the handle 1 direction through a spraying water pipe 7, tiny biliary calculus and mud-like calculus in the device can be washed in a certain closed space, meanwhile, a negative pressure suction pipe interface 2 is connected with a negative pressure suction device, a negative pressure suction pipe 6 sucks and draws out washing liquid and the tiny biliary calculus, large calculus is blocked outside by a permeable reticular membrane 12, an operator holds the handle 1 with one hand, the rotation and the closing of the clampable forceps 9 can be controlled through the drawing of an internal steel wire, the clampable forceps 9 can clamp the residual large calculus through operation, and finally the residual large calculus is taken out of the body. If the calculus cannot be completely removed once, the device can be used for repeatedly removing the calculus for multiple times, before secondary or multiple operations are carried out, the air bag is in a collapse state only by butting the air bag catheter interface 4 with the injector to suck air, the air bag reaches the calculus removing position of the bile duct through the operation incision again, and the operations are repeated. This device labour saving and time saving, the device anterior segment is designed into circular-arcly, can reduce the damage to the biliary tract to a certain extent, this device has integrated washing unit and negative pressure suction device, through aerifing for the gasbag, certain airtight space has been formed, washing unit can wash lessly, tiny calculus or mud appearance calculus, negative pressure suction device can attract it simultaneously, the great calculus of surplus can be blockked in one side by the netted membrane that permeates water, it takes out great calculus to control at last can press from both sides the closed pliers, this device both can clear up tiny calculus of biliary tract to a certain extent, can press from both sides great biliary tract calculus again, can also play the flushing action, and can clear away mud appearance biliary tract calculus, the difficult problem that current stone mode of getting can not clear up less calculus and great calculus simultaneously has been solved to a certain extent.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all the modifications and equivalents of the technical spirit of the present invention to any simple modifications of the above embodiments are within the scope of the technical solution of the present invention.
Claims (7)
1. A bile duct stone removing device is characterized in that the bile duct stone removing device is provided with a handle and a gun body, wherein the handle is movably arranged on the gun body through a rotatable adjusting knob;
the negative pressure drainage device, the injection device, the inflation device and the clamping device are all embedded in the handle and the gun body;
the negative pressure drainage device is provided with a negative pressure suction pipe interface, the negative pressure suction pipe interface is embedded at the upper end of the handle, the input end of the negative pressure suction pipe interface is communicated with the negative pressure suction device, the output end of the negative pressure suction pipe interface is communicated with the negative pressure suction pipe, the negative pressure suction pipe is embedded in the gun body, and the tail end of the negative pressure suction pipe is provided with a water permeable reticular membrane;
the spraying device is provided with a spraying water pipe connector which is embedded at the upper end of the handle, the input end of the spraying water pipe connector is communicated with the water filling device, the output end of the spraying water pipe connector is communicated with a spraying water pipe, the spraying water pipe is embedded in the gun body, and the tail end of the spraying water pipe is provided with a spraying opening;
the inflating device is provided with an air bag conduit interface, the air bag conduit interface is embedded on the handle, the input end of the air bag conduit interface is communicated with the inflator, the output end of the air bag conduit interface is communicated with the air bag conduit, the air bag conduit is arranged in the gun body, and the tail end of the air bag conduit is communicated with the inflating air bag;
the clamping device is provided with an operating handle, the operating handle is clamped on the handle, the output end of the operating handle is connected with the clamping pliers through a steel wire, and the clamping pliers are arranged at the front end of the gun body.
2. The bile duct stone retrieval device of claim 1, wherein the bile duct stone retrieval device is a rigid structure that directly handles shallower stones or a flexible tube with plasticity that picks and handles crushed stones deeper into the deep.
3. The bile duct stone removal device of claim 1, wherein the rotatable adjustment knob is provided with a through hole, and a negative pressure suction tube, a jet water tube and a balloon catheter are arranged in the through hole in a penetrating way.
4. The bile duct stone retrieval device of claim 1, wherein the negative pressure suction tube is a hollow structure; the laser lithotripter is accommodated in the hollow structure.
5. The bile duct stone retrieval device of claim 1, wherein the angle of opening of the graspable forceps is between 0 ° and 150 ° and the angle of rotation of the graspable forceps is between 0 ° and 360 °.
6. The bile duct stone retrieval device of claim 1, wherein the spray water tube head is designed with an arc-shaped structure, the water outlet direction of the spray nozzle is opposite to the water permeable mesh membrane, and the pipe diameter of the spray nozzle at the water outlet end is gradually reduced.
7. The bile duct stone retrieval device of claim 1, wherein the inflatable balloon head is radiused.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020012713.0U CN211934198U (en) | 2020-01-06 | 2020-01-06 | Bile duct calculus removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020012713.0U CN211934198U (en) | 2020-01-06 | 2020-01-06 | Bile duct calculus removing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211934198U true CN211934198U (en) | 2020-11-17 |
Family
ID=73182227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020012713.0U Expired - Fee Related CN211934198U (en) | 2020-01-06 | 2020-01-06 | Bile duct calculus removing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211934198U (en) |
-
2020
- 2020-01-06 CN CN202020012713.0U patent/CN211934198U/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: 20201117 |
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| CF01 | Termination of patent right due to non-payment of annual fee |