CN217448688U - Rotatable gallbladder tube expansion device through laparoscope approach - Google Patents
Rotatable gallbladder tube expansion device through laparoscope approach Download PDFInfo
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- CN217448688U CN217448688U CN202220045140.0U CN202220045140U CN217448688U CN 217448688 U CN217448688 U CN 217448688U CN 202220045140 U CN202220045140 U CN 202220045140U CN 217448688 U CN217448688 U CN 217448688U
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Abstract
The utility model discloses a rotatable cholecystoscope dilating device through a laparoscope, which comprises an operator, a dilating head arranged on the operator and a fixer arranged on the dilating head; the manipulator comprises a manipulator body, and a rotating handle, an elastic rod and a rotating head which are arranged on the manipulator body, wherein the rotating handle and the rotating head are respectively arranged at two ends of the manipulator body; the rotating handle drives the rotating head to rotate through the elastic rod; the expansion head comprises an expansion head body and a balloon component arranged on the expansion head body; the expansion head body is arranged on the rotating head; the balloon component comprises a water injection balloon, a water injection channel connected with the water injection balloon and a water injection hole communicated with the water injection channel, the water injection balloon is arranged at the top end of the expansion head body, the water injection channel is arranged in the expansion head body, and the water injection hole is far away from the water injection balloon; the fixer is arranged between the water injection sacculus and the water injection hole. The utility model discloses can not only solve the problem that the bile duct pipe diameter undersize and can't pass through the choledochoscope, can effectively avoid the biliary tract damage moreover.
Description
Technical Field
The present invention relates to a cystic duct surgical instrument, and more particularly, to a rotatable cystic duct dilator device via a laparoscope.
Background
Laparoscopic choledocholithiasis (LTCBDE) is a new clinical technique appearing in recent years, mainly utilizes a natural orifice of a choledocholithiasis to enter a choledochalthiasis, does not need invasive operation on the choledochalthiasis, can reduce bile duct injury and hemorrhage, can close the biliary tract only by closing the choledochalthiasis after operation, can theoretically reduce the risk of bile duct juice leakage, but directly influences the success rate of the operation by the diameter of the choledochalthiasis.
At present, common surgery department has common knowledge that a gallbladder tube is a pipeline connecting a gallbladder and a common bile duct, and is generally about 2.5-4.0 cm long and about 0.2-0.3 cm in tube diameter. However, the probing of the choledochoscope through the choledochoscope by the laparoscope can be smoothly performed only if the diameter of the choledochoscope is larger than 4mm, and if the diameter is smaller than 4mm, the choledochoscope is generally placed after the choledochoscope is expanded to 4mm by using an expander, but how to better expand the choledochoscope is a difficult problem which is often encountered by surgeons in the field of hepatobiliary.
In view of the above, it is desirable to develop a cystic duct dilator suitable for laparoscopy probing via the cystic duct common bile duct, which can not only solve the problem that the diameter of the cystic duct is too small to pass through the choledochoscope, but also effectively avoid biliary tract injury.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned defect that exists among the prior art, the utility model aims at providing a rotatable formula gall bladder duct expanding unit through the peritoneoscope route, can not only solve the problem that gall bladder duct diameter undersize and can't pass through the cholangioscope, can effectively avoid the biliary tract damage moreover.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a rotatable cholecystoscope dilation device through a laparoscope comprises an operator, a dilation head arranged on the operator and a fixator arranged on the dilation head;
the manipulator comprises a manipulator body, and a rotary handle, an elastic rod and a rotary head which are arranged on the manipulator body, wherein the rotary handle and the rotary head are respectively arranged at two ends of the manipulator body; the rotating handle drives the rotating head to rotate through the elastic rod;
the expansion head comprises an expansion head body and a balloon assembly arranged on the expansion head body; the expansion head body is arranged on the rotating head; the balloon component comprises a water injection balloon, a water injection channel connected with the water injection balloon and a water injection hole communicated with the water injection channel, the water injection balloon is arranged at the top end of the expansion head body, the water injection channel is arranged in the expansion head body, and the water injection hole is far away from the water injection balloon;
the fixer is arranged between the water injection balloon and the water injection hole.
Preferably, the rotating handle is connected with the elastic rod through a connecting piece, and the other end of the elastic rod penetrates through the manipulator body and is connected with the rotating head; the connector is mounted on the operator body.
The manipulator also comprises a push rod assembly arranged on the manipulator body;
the push rod assembly comprises a mounting seat, an upper push rod, a lower push rod and a push ring;
the mounting seat is provided with a mounting hole communicated with the cavity in the operator body;
the upper push rod penetrates through the mounting hole and the side wall of the operator body and is connected with the lower push rod; the upper push rod moves along the mounting hole of the mounting seat to drive the lower push rod to move;
the lower push rod is arranged in the cavity in the operator body and is connected with the push ring;
the push ring is sleeved on the elastic rod.
Preferably, the mounting seat is further provided with a limiting mechanism.
Preferably, the expansion head is clamped with the rotating head through an inner clamping groove.
Preferably, the fixer comprises a fixing block, a connecting wire and a fixing clip; the fixed block is arranged on the expansion head body; one end of the connecting wire is connected with the fixing block, and the other end of the connecting wire is connected with the fixing clamp; the first clamping piece and the second clamping piece of fixation clamp are inboard all to be provided with the third clamping piece of silica gel material preparation.
Preferably, a check valve is arranged on the water filling channel at the position of the water filling hole.
Preferably, the expansion head and the water injection balloon are made of silica gel materials.
The utility model provides a rotatable formula gall-bladder duct expanding unit through peritoneoscope route has following advantage:
1. the rotatable gallbladder tube dilating device via the laparoscope adopts the rotating handle and the push rod component to ensure that the dilating head of the dilator can rotate 360 degrees and bend left and right, thereby effectively adjusting the direction of the dilating head;
2. the rotatable gallbladder duct dilating device through the laparoscope is provided with the water injection sacculus with the water injection hole on the dilating head, so that the normal saline can be conveniently injected and the gallbladder duct can be conveniently dilated to be not less than 4mm, and the choledochoscope can smoothly enter the gallbladder duct;
3. the rotatable gallbladder duct expanding device through the laparoscope of the utility model is provided with the fixer on the expanding head, which can prevent the expanding head from slipping off in the gallbladder duct expanding process;
4. the expansion head of the rotatable cholecystoscope expansion device through the laparoscope adopts silica gel materials which can avoid medical injury;
5. the utility model discloses a rotatable formula gall bladder duct expanding unit through peritoneoscope route can not only solve the problem that gall bladder duct diameter undersize and can't pass through the cholangioscope, can effectively avoid the biliary tract damage moreover.
Drawings
FIG. 1 is a schematic view of a laparoscopic approach of the rotatable gallbladder dilatation device of the present invention;
FIG. 2 is a cross-sectional view of the rotatable gallbladder vessel dilation device of the present invention in a laparoscopic approach;
fig. 3 is a cross-sectional view of the operator of the present invention;
FIG. 4 is a cross-sectional view of a stop mechanism and mount on an operator, in one embodiment;
FIG. 5 is a cross-sectional view of the expansion head of the present invention;
fig. 6 is a cross-sectional view of the fastener of the present invention.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.
Referring to fig. 1 and 2, the rotatable gallbladder duct dilating device provided by the present invention comprises an operator 1, a dilating head 2 disposed on the operator 1, and a fixer 3 disposed on the dilating head 2. The manipulator 1 comprises a manipulator body 10, and a rotary handle 11, an elastic rod 13 and a rotary head 14 which are arranged on the manipulator body 10, wherein the rotary handle 11 and the rotary head 14 are respectively arranged at two ends of the manipulator body 10; the rotating handle 11 drives the rotating head 14 to rotate through the elastic rod 13. The expansion head 2 comprises an expansion head body 20 and a balloon component arranged on the expansion head body 20; the expansion head body 20 is arranged on the rotating head 14; the sacculus subassembly includes water injection sacculus 21, the water injection passageway 22 of being connected with water injection sacculus 21 and the water injection hole 23 that communicates with water injection passageway 22, and the top of expansion head body 20 is located to water injection sacculus 21, and inside expansion head body 20 was located to water injection passageway 22, water injection sacculus 21 setting was kept away from to water injection hole 23. The fixer 3 is arranged between the water injection balloon 21 and the water injection hole 23, and the slipping phenomenon of the expansion head 2 in the expansion process is prevented.
As shown in fig. 2 and 3, the manipulator body 10 is a cylinder with a cavity inside, such as a cylinder; the rotating handle 11 is connected with an elastic rod 13 through a connecting piece 12, and the other end of the elastic rod 13 penetrates through the manipulator body 10 and is connected with a rotating head 14; the connecting piece 12 is arranged in a hole arranged on the upper end surface of the operator body 10, wherein the connecting piece 12 can be a connecting shaft for assembling a bearing and the like; a shaft sleeve which is convenient for the elastic rod 13 to rotate can be arranged at the contact position of the lower end of the elastic rod 13 and the operator body 10, and the shaft sleeve is arranged on the operator body 10; the elastic rod 13 is made of elastic materials, such as rubber and silica gel; when the rotating handle 11 rotates, the manipulator 1 drives the elastic rod 13 to rotate, so as to drive the rotating head 14 to rotate for 360 degrees, and further adjust the angle of the expansion head 2.
As shown in fig. 2 and 3, the manipulator 1 further includes a push rod assembly disposed on the manipulator body 10, and the elastic rod 13 is elastically bent by a pushing force, so as to drive the rotating head 14 at the lower end of the elastic rod 13 to move left and right, thereby adjusting the direction of the expansion head 2; wherein the push rod component comprises a mounting seat 18, an upper push rod 15, a lower push rod 16 and a push ring 17; the mounting seat 18 is provided with a mounting hole communicated with the inner cavity of the operator body 10; the upper push rod 15 passes through the mounting hole and the side wall of the operator body 10 and is connected with the lower push rod 16, wherein the upper push rod 15 moves along the mounting hole of the mounting seat 18; the lower push rod 16 is arranged in the inner cavity of the operator body 10, and the lower push ring 17 is connected with the push ring 17; the push ring 17 is sleeved on the elastic rod 13, wherein when no thrust is applied, the push ring 17 does not influence the rotation of the elastic rod 13.
As shown in fig. 3 and 4, the mounting base 18 is further provided with a limiting mechanism, and after the upper push rod 15 moves to the target position, the limiting mechanism is used to limit the movement of the upper push rod 15 and the lower push rod 16; the limiting mechanism is not limited to one type, and the movement of the upper push rod 15 can be limited as long as the movement of the upper push rod 15 is not influenced and can be limited when needed; in a specific embodiment, the limiting mechanism is a limiting nut 19 arranged on the side surface of the mounting seat 18, wherein the side surface of the mounting seat 18 is provided with a thread groove matched with the limiting nut 19; when the direction of the expansion head 2 needs to be adjusted, the limiting nut 19 is unscrewed, so that the limiting nut 19 is separated from the upper push rod 15, then the upper push rod 15 is pushed, the elastic rod 13 is pushed under the action of the lower push rod 16 and the push ring 17, when the direction of the expansion head 2 is adjusted to the target direction, the limiting nut 19 is screwed, the upper push rod 15 is extruded from the side surface, the upper push rod 15 is limited to move, and therefore the limiting effect is achieved.
As shown in fig. 1 and 6, the holder 3 includes a fixing block 32, a connecting wire 33, and a fixing clip 31; the fixing block 32 is mounted on the expansion head body 20; one end of a connecting wire 33 is connected with the fixing block 32, and the other end is connected with the fixing clamp 31, wherein the connecting wire 33 is made of elastic materials; the inner sides of the first clamping piece 311 and the second clamping piece 312 of the fixing clip 31 are both provided with a third clamping piece 313 made of a silica gel material, so that the fixing clip 31 is prevented from damaging the cystic duct. When the expansion head 2 enters the cystic duct, the expansion head 2 is clamped on the cystic duct through the fixing clamp 31, so that the expansion head 2 is prevented from slipping off in the expansion process.
As shown in fig. 1, 2 and 5, the expansion head 2 is clamped with the rotating head 14 through an internal clamping groove, so that the expansion head 2 is convenient to replace; wherein, in order to avoid iatrogenic injury, the expansion head 2 is made of silica gel material; the expansion head 2 can be provided with a plurality of models and can be replaced according to specific conditions when in use; referring to fig. 3, the balloon assembly disposed on the dilating head 2 and the water injection passage 22 at the water injection hole 23 are provided with a one-way valve 24, wherein the water injection balloon 21 is made of a silica gel material, and when the top end of the dilating head 2 enters the cystic duct, the water injection balloon 21 can be dilated by injecting sterile normal saline into the water injection balloon 21, so as to dilate the cystic duct to a size larger than or equal to 4mm, which is convenient for the choledochoscope to enter the cystic duct smoothly.
To sum up, the rotatable gallbladder duct dilating device via laparoscope adopts the rotating handle and the push rod component to ensure that the dilating head of the dilator can rotate 360 degrees and bend left and right, thereby effectively adjusting the direction of the dilating head; according to the rotatable gallbladder tube expansion device through the laparoscope, the water injection balloon with the water injection hole is arranged on the expansion head, so that the normal saline can be conveniently injected, and the gallbladder tube can be conveniently expanded to be not less than 4mm, so that a choledochoscope can smoothly enter the gallbladder tube; the rotatable gallbladder duct expansion device through the laparoscope way is characterized in that the expansion head is provided with a fixer, so that the expansion head can be prevented from slipping off in the gallbladder duct expansion process; the expansion head of the rotatable cholecystoscope expansion device through the laparoscope way adopts a silica gel material which can avoid medical injury; the rotatable cholecystoscope expanding device through the laparoscope can solve the problem that the cholecystoscope cannot pass through a choledochoscope due to the fact that the diameter of the cholecystoscope is too small, and can effectively avoid damage to the biliary tract.
It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (8)
1. A rotatable cholecystoscope expanding device through a laparoscope way is characterized by comprising an operator, an expanding head arranged on the operator and a fixer arranged on the expanding head;
the manipulator comprises a manipulator body, and a rotary handle, an elastic rod and a rotary head which are arranged on the manipulator body, wherein the rotary handle and the rotary head are respectively arranged at two ends of the manipulator body; the rotating handle drives the rotating head to rotate through the elastic rod;
the expansion head comprises an expansion head body and a balloon assembly arranged on the expansion head body; the expansion head body is arranged on the rotating head; the balloon component comprises a water injection balloon, a water injection channel connected with the water injection balloon and a water injection hole communicated with the water injection channel, the water injection balloon is arranged at the top end of the expansion head body, the water injection channel is arranged in the expansion head body, and the water injection hole is far away from the water injection balloon;
the fixer is arranged between the water injection sacculus and the water injection hole.
2. The laparoscopic rotatable cholecystectomy device of claim 1, wherein the rotation handle is connected to the flexible rod by a connector, and the other end of the flexible rod is connected to the rotation head through the manipulator body; the connector is mounted on the operator body.
3. The laparoscopic rotatable gallbladder dilation device of claim 2 wherein said manipulator further comprises a push rod assembly disposed on said manipulator body;
the push rod assembly comprises a mounting seat, an upper push rod, a lower push rod and a push ring;
the mounting seat is provided with a mounting hole communicated with the cavity in the operator body;
the upper push rod penetrates through the mounting hole and the side wall of the operator body and is connected with the lower push rod; the upper push rod moves along the mounting hole of the mounting seat to drive the lower push rod to move;
the lower push rod is arranged in the cavity in the operator body and is connected with the push ring;
the push ring is sleeved on the elastic rod.
4. The laparoscopic rotatable gallbladder dilation device of claim 3 wherein said mount is further provided with a stop mechanism.
5. The laparoscopic rotatable cholecystectomy device of claim 1, wherein the dilation head is snap-fitted to the rotator head by an internal snap-fit.
6. The laparoscopic rotatable gallbladder dilation device of claim 1 wherein the holder comprises a fixation block, a connection line and a fixation clip; the fixed block is arranged on the expansion head body; one end of the connecting wire is connected with the fixing block, and the other end of the connecting wire is connected with the fixing clamp; the first clamping piece and the second clamping piece of fixation clamp are inboard all to be provided with the third clamping piece of silica gel material preparation.
7. The laparoscopic rotatable gallbladder dilatation device of claim 1 wherein a check valve is positioned in the water injection channel at the water injection port.
8. The laparoscopic rotatable gallbladder canal dilation device of any one of claims 1 to 7 wherein said dilation head and said water injection balloon are made of a silicone material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220045140.0U CN217448688U (en) | 2022-01-10 | 2022-01-10 | Rotatable gallbladder tube expansion device through laparoscope approach |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220045140.0U CN217448688U (en) | 2022-01-10 | 2022-01-10 | Rotatable gallbladder tube expansion device through laparoscope approach |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217448688U true CN217448688U (en) | 2022-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220045140.0U Active CN217448688U (en) | 2022-01-10 | 2022-01-10 | Rotatable gallbladder tube expansion device through laparoscope approach |
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| Country | Link |
|---|---|
| CN (1) | CN217448688U (en) |
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- 2022-01-10 CN CN202220045140.0U patent/CN217448688U/en active Active
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