CN112890885A - Flow control type operation channel with fixing mechanism - Google Patents
Flow control type operation channel with fixing mechanism Download PDFInfo
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- CN112890885A CN112890885A CN202110195447.9A CN202110195447A CN112890885A CN 112890885 A CN112890885 A CN 112890885A CN 202110195447 A CN202110195447 A CN 202110195447A CN 112890885 A CN112890885 A CN 112890885A
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- channel
- flow control
- combined channel
- fixing mechanism
- type operation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00292—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
- A61B2017/0034—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means adapted to be inserted through a working channel of an endoscope
Abstract
The invention discloses a flow control type operation channel with a fixing mechanism, which belongs to the technical field of medical instruments and comprises a first combined channel, a supporting disk, a telescopic bracket, a second combined channel, a sealing inner sleeve and a fixing mechanism, wherein the second combined channel is slidably arranged on the first combined channel through a limiting sliding rod arranged at the bottom of the first combined channel; according to the invention, the detachable supporting disk is externally arranged, the direction-changeable telescopic support is arranged at the bottom of the supporting disk, the supporting disk can be well installed before an operation, and when a doctor operates the operation, the angle of the whole operation channel can be adjusted at any time according to the operation requirement, so that the use effect is improved.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to a flow control type operation channel with a fixing mechanism.
Background
Medical instrument is various, and different medical instrument is used for under the medical environment of difference, plays different medical actions, when carrying out some minimal access surgery, for the convenience of some pipeline class medical instrument more effective, more accurate entering human body in, people have designed an operation passageway, and this operation passageway can be when carrying out the operation, effectively leads to some pipe class medical instrument.
Chinese patent CN201120184656.5 discloses an air-closed multi-cavity single-hole multi-channel laparoscopic surgery channel, which comprises a soft cylindrical surgery channel with one open end and the other closed end, an abdominal cavity inflation tube and an abdominal cavity deflation tube are arranged in the surgery channel, a balloon type air chamber is arranged at the closed end of the surgery channel, at least two tubular working channels communicated with the surgery channel are arranged at the closed end of the surgery channel, an inner air bag is arranged in the working channel, the inner air bag is an air column with a central through hole, the inner air bag is communicated with the air chamber, the inner air bag and the air chamber are provided with inflation tubes, or an inflation tube is arranged in the inner air bag or the air chamber, the inner air bag and the air chamber are communicated through a ventilation tube to balance the air pressure of each air bag, thereby facilitating the passing of surgical instruments and improving the sealing effect, the ventilation tube between the air chamber and the inner air bag can be communicated with each air bag, and then one, each inner air sac can be communicated with the air bin through the air dredging pipe, when the channel is used, the inner positioning ring is sleeved at the middle part of the main body of the working channel, the inner positioning ring is placed into the abdominal cavity after being reversely folded and opened and is tensioned, the outer positioning ring is sleeved on the outer abdominal wall, after the inner positioning ring is reliably fixed, the inner air sac and the air bin are inflated through the inflation pipe, then the abdominal cavity is inflated through the inflation pipe, after the air leakage is confirmed, the single-hole laparoscopic surgery is carried out through a plurality of working channels, the advantages of simplifying the operation work, reducing the number of operating personnel, being convenient to operate, firm and reliable in connection, reducing the surgical incision of a patient and the like are achieved, convenience is provided for the single-hole laparoscopic surgery, but the operation channel can not be telescopically adjusted, a doctor can not adjust the length of the channel according to needs, various complicated operation conditions can not be met, in the operation, the operation is inconvenient for the doctor, and certain improvement is needed.
Disclosure of Invention
The invention aims to: the flow control type operation channel with the fixing mechanism is provided for solving the problems that the traditional flow control operation channel cannot be telescopically adjusted, a doctor cannot adjust the length of the channel according to needs, various complex operation conditions cannot be met, the functionality is single, meanwhile, the traditional flow control operation channel is not provided with any supporting structure, the operation is performed, and the operation of the doctor is not convenient.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a accuse flow type operation passageway with fixed establishment, includes first combination passageway, supporting disk, telescopic bracket, second combination passageway, sealed endotheca and fixed establishment, first combination passageway has second combination passageway through the spacing slide bar slidable mounting of its bottom installation, the supporting disk screw thread is installed in the outside of first combination passageway, has a plurality of telescopic bracket through universal joint movable mounting on the bottom surface of supporting disk, the top groove has been seted up at the top of first combination passageway, the runner internal rotation of seting up in the top groove is installed and is had the top of rotating outer muscle to change the shell, fixed mounting has fixed establishment on the outer wall of one side of top commentaries on classics shell.
As a further description of the above technical solution:
the telescopic bracket comprises inner guide rail, first outer top spring, stock frame and expansion bracket, the installation inner chamber has been seted up to the inside of stock frame, inner guide rail fixed mounting is on the inner wall of installation inner chamber.
As a further description of the above technical solution:
the first outer top spring is fixedly installed inside the installation inner cavity, the telescopic frame is slidably installed on the inner guide rail, one end of the first outer top spring is fixedly connected with the top end of the telescopic frame, and the bottom of the telescopic frame is fixedly provided with the supporting film.
As a further description of the above technical solution:
the top of the top rotating shell is fixedly provided with a through pipe, and a pipe cover is arranged on the through pipe in a clamping and embedding manner through a connecting strip.
As a further description of the above technical solution:
an installation inner hole is formed in the inner wall of the penetrating pipe, a second outer ejection spring is fixedly installed inside the installation inner hole, and a fixed clamping piece is fixedly installed at one end of the second outer ejection spring.
As a further description of the above technical solution:
the fixing mechanism is composed of an L-shaped mounting plate, a supporting bracket, a top plate, a fixing shaft, an outer spring and a pressing plate, the fixing shaft is arranged in a sliding hole formed in the L-shaped mounting plate in a sliding mode, the top end and the bottom end of the fixing shaft are respectively fixedly provided with the top plate and the pressing plate, and the pressing plate is clamped in the fixing hole formed in a top groove.
As a further description of the above technical solution:
the supporting bracket is installed through the pivot rotation on the top surface of L type mounting panel, and the top of supporting bracket contacts and extrudees with the bottom surface of top piece, outer spring suit is in the outside of fixed axle, the top surface fixed connection of outer spring one end and L type mounting panel.
As a further description of the above technical solution:
the shaft sleeve installed at the top of the first combined channel is rotatably provided with a transmission screw rod, the second combined channel is in threaded connection with the transmission screw rod through a threaded hole formed in the second combined channel, and the rotating piece is fixedly installed outside the transmission screw rod.
As a further description of the above technical solution:
the outer surface of the second combined channel is provided with a sealing outer sleeve, the front surface and the back surface outer wall of the second combined channel are provided with installation sliding grooves, and the inside of the first combined channel is provided with sliding strips corresponding to the installation sliding grooves.
As a further description of the above technical solution:
a channel inner cavity is formed in the first combined channel, a sealing inner sleeve is arranged on the inner wall of the channel inner cavity, and thermal expansion particles are filled in the sealing inner sleeve.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, the flow control operation channel is designed into two telescopic parts, the transmission screw rod is arranged in the first combined channel, and the transmission screw rod can be directly rotated to enable the operation channel to be telescopic according to requirements during operation, so that the flow control operation channel has good adjustability and strong functionality.
2. According to the invention, the detachable supporting disk is externally arranged, the direction-changeable telescopic support is arranged at the bottom of the supporting disk, the supporting disk can be well installed before an operation is carried out, and the angle of the whole operation channel can be adjusted at any time according to the operation requirement when a doctor operates the operation, so that the use effect is improved.
3. According to the invention, the sealing inner sleeve and the sealing outer sleeve are arranged in the two combined channels, and the thermal expansion particles are arranged in the sealing inner sleeve, so that when the length of the operation channel is adjusted each time, the sealing inner sleeve and the sealing outer sleeve generate relative movement friction force, heat generated by friction is conducted into the thermal expansion particles, and the thermal expansion particles expand when heated, so that the sealing inner sleeve and the sealing outer sleeve are attached more tightly, and the air tightness in the two combined channels is effectively ensured.
4. According to the invention, the rotatable jacking-rotating shell is arranged on the first combined channel, the pipe orifice is arranged on the jacking-rotating shell, and a pipe-type medical instrument in an operation can penetrate through the pipe orifice.
5. According to the invention, the fixing mechanism is arranged on the outer side of the top rotating shell, the supporting bracket can be directly pulled out after the position of the top rotating shell is adjusted, the fixing shaft can move downwards under the action of the outer spring, so that the pressing sheet is pressed and clamped in the fixing hole in the top groove, the top rotating shell is quickly fixed, and the using effect is good.
Drawings
Fig. 1 is a partially cut-away perspective view of a flow-control surgical tunnel with a securing mechanism.
Fig. 2 is a schematic perspective view of an elongated flow control surgical channel with a securing mechanism.
FIG. 3 is a schematic view of a partially cut-away perspective view of the bottom surface of a first composite channel in a flow control surgical channel having a securing mechanism.
Fig. 4 is an enlarged view of a portion a of a flow-control surgical tunnel with a securing mechanism.
Fig. 5 is an enlarged perspective view of a tube penetrating device after a tube cover is opened in a flow control type surgical channel with a fixing mechanism.
FIG. 6 is an enlarged perspective view of a securing mechanism in a flow control surgical tunnel having a securing mechanism.
Fig. 7 is an enlarged view of a portion of a flow control surgical tunnel having a securing mechanism at position B.
Fig. 8 is an enlarged view of a channel C of a flow control surgical instrument with a securing mechanism.
Illustration of the drawings:
1. a first combined channel; 2. a drive screw; 3. rotating the sheet; 4. a top groove; 5. rotating the shell in a jacking mode; 6. a support disc; 7. a telescopic bracket; 71. an inner guide rail; 72. a first outer top spring; 73. installing an inner cavity; 74. shaping frames; 75. a telescopic frame; 8. supporting the bottom sheet; 9. a second combined channel; 10. sealing the outer sleeve; 11. installing a chute; 12. a limiting slide bar; 13. thermally expanding particles; 14. a channel lumen; 15. sealing the inner sleeve; 16. pipe penetration; 17. a tube cover; 18. rotating the outer ribs; 19. rotating the groove; 20. a fixing mechanism; 201. an L-shaped mounting plate; 202. a support bracket; 203. a topsheet; 204. a fixed shaft; 205. an outer spring; 206. tabletting; 21. installing an inner hole; 22. a second outer top spring; 23. and fixing the clamping piece.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides a accuse flow type operation passageway with fixed establishment, includes first combination passageway 1, supporting disk 6, telescopic bracket 7, second combination passageway 9, sealed endotheca 15 and fixed establishment 20, first combination passageway 1 has second combination passageway 9 through the spacing slide bar 12 slidable mounting of its bottom installation, supporting disk 6 threaded mounting has a plurality of telescopic bracket 7 at the outside of first combination passageway 1, has on the bottom surface of supporting disk 6 through universal joint movable mounting, telescopic bracket 7 comprises inner guide rail 71, first outer top spring 72, design frame 74 and expansion bracket 75, the installation inner chamber 73 has been seted up to the inside of design frame 74, inner guide rail 71 fixed mounting is on the inner wall of installation inner chamber 73, first outer top spring 72 fixed mounting is in the inside of installation inner chamber 73, on inner guide rail 71 of expansion bracket 75 slidable mounting, the one end of first outer top spring 72 and the top fixed connection of expansion bracket 75, the bottom fixed mounting of expansion bracket 75 has support film 8, through installing expansion bracket 7, expansion bracket 7 comprises inner guide rail 71, first outer top spring 72, design frame 74 and expansion bracket 75, the inside at design frame 74 has seted up installation inner chamber 73, inner guide rail 71 fixed mounting is on the inner wall of installation inner chamber 73, first outer top spring 72 fixed mounting is in the inside of installation inner chamber 73, make expansion bracket 75 slidable mounting on inner guide rail 71, the one end of first outer top spring 72 and the top fixed connection of expansion bracket 75, the bottom fixed mounting of expansion bracket 75 has support film 8, when carrying out the operation, can be according to the operation of doctor's hand, expansion bracket 7 can take place certain flexible, cooperate doctor's operation, when carrying out the operation, when the doctor operates, with the support film 8 and the operator's skin contact of expansion bracket 7, when carrying out the operation, the angle of the whole medical apparatus can be adjusted by rotating the top rotating shell 5 at any time according to the operation requirement, so that the use effect is improved;
the top of the first combined channel 1 is provided with a top groove 4, a top rotating shell 5 with a rotating outer rib 18 is rotatably mounted in a rotating groove 19 formed in the top groove 4, the top of the top rotating shell 5 is fixedly provided with a through pipe 16, the through pipe 16 is provided with a pipe cover 17 in a clamping and embedding manner through a connecting strip, the through pipe 16 is provided with the pipe cover 17 in a clamping and embedding manner through the connecting strip, when the device is used, the pipe cover 17 is opened, a required pipe type medical instrument is inserted into the through pipe 16, and the pipe cover 17 can well protect the through pipe 16 and prevent impurities from falling into the channel when the device is not used;
a transmission screw rod 2 is rotatably mounted in a shaft sleeve mounted at the top of the first combined channel 1, the second combined channel 9 is in threaded connection with the transmission screw rod 2 through a threaded hole formed in the second combined channel, a rotor 3 is fixedly mounted on the outer portion of the transmission screw rod 2, the transmission screw rod 2 is mounted, so that the second combined channel 9 is in threaded connection with the transmission screw rod 2 through a threaded hole formed in the second combined channel, the rotor 3 is fixedly mounted on the outer portion of the transmission screw rod 2, during operation, the whole length of the flow control operation channel is adjusted as required, the transmission screw rod 2 is directly rotated through the rotor 3, the transmission screw rod 2 can effectively drive the second combined channel 9 to move, and the position of the second combined channel 9 is adjusted, so that the length of the whole operation channel is changed;
an installation inner hole 21 is formed in the inner wall of the penetrating pipe 16, a second outer jacking spring 22 is fixedly installed inside the installation inner hole 21, one end of the second outer jacking spring 22 is fixedly provided with a fixed clamping piece 23, the installation inner hole 21 is formed, the second outer jacking spring 22 is fixedly installed inside the installation inner hole 21, one end of the second outer jacking spring 22 is fixedly provided with a fixed clamping piece 23, and after the pipeline equipment is installed through the penetrating pipe 16 every time, the pipeline medical equipment can be effectively fixed through the fixed clamping piece 23;
the fixing mechanism 20 is fixedly mounted on the outer wall of one side of the top rotating shell 5, the fixing mechanism 20 is composed of an L-shaped mounting plate 201, a supporting bracket 202, a top plate 203, a fixing shaft 204, an outer spring 205 and a pressing plate 206, the fixing shaft 204 is slidably mounted in a sliding hole formed in the L-shaped mounting plate 201, the top end and the bottom end of the fixing shaft 204 are respectively fixedly mounted with the top plate 203 and the pressing plate 206, the pressing plate 206 is clamped and embedded in a fixing hole formed in the top groove 4, the supporting bracket 202 is rotatably mounted on the top surface of the L-shaped mounting plate 201 through a rotating shaft, the top end of the supporting bracket 202 is contacted and extruded with the bottom surface of the top plate 203, the outer spring 205 is sleeved outside the fixing shaft 204, one end of the outer spring 205 is fixedly connected with the top surface of the L-shaped mounting plate 201, the fixing mechanism 20 is fixedly mounted, the L-shaped mounting plate 201 is internally provided with a sliding hole in which the fixed shaft 204 is slidably mounted, the top end and the bottom end of the fixed shaft 204 are respectively fixedly provided with a top plate 203 and a pressing plate 206, the pressing plate 206 is clamped and embedded in the fixed hole arranged in the top groove 4, the top surface of the L-shaped mounting plate 201 is rotatably provided with a supporting bracket 202 through a rotating shaft, the top end of the supporting bracket 202 is contacted and extruded with the bottom surface of the top plate 203, the outer spring 205 is sleeved outside the fixed shaft 204, one end of the outer spring 205 is fixedly connected with the top surface of the L-shaped mounting plate 201, after the adjustment is finished, the supporting bracket 202 is directly pulled off, the fixed shaft 204 can move downwards under the action of the outer spring 205, so that the pressing sheet 206 is pressed and clamped in the fixed hole in the top groove 4 to complete the quick fixation of the top rotating shell 5, and simultaneously, the angle of the whole operation channel can be changed according to the requirement when the operation is carried out;
a sealing outer sleeve 10 is arranged on the outer surface of the second combined channel 9, mounting sliding grooves 11 are formed in the outer walls of the front side and the back side of the second combined channel 9, sliding strips corresponding to the mounting sliding grooves 11 are arranged inside the first combined channel 1, the sealing outer sleeve 10 is arranged, the mounting sliding grooves 11 are formed in the outer walls of the front side and the back side of the second combined channel 9, the sealing outer sleeve 10 can effectively guarantee sealing performance, and the mounting sliding grooves 11 can enable the second combined channel 9 and the first combined channel 1 to be stably mounted;
a channel inner cavity 14 is formed in the first combined channel 1, a sealing inner sleeve 15 is arranged on the inner wall of the channel inner cavity 14, thermal expansion particles 13 are filled in the sealing inner sleeve 15, and the channel inner cavity 14 is formed, the inner wall of the channel inner cavity 14 is provided with a sealing inner sleeve 15, the sealing inner sleeve 15 is filled with thermal expansion particles 13, the supporting disc 6 is installed on the first combined channel 1 in a threaded manner and continuously drives the second combined channel 9 to move back and forth, so that the sealing inner sleeve 15 and the sealing outer sleeve 10 in the first combined channel 1 and the second combined channel 9 can generate relative movement friction force, heat generated by friction can be transmitted into the thermal expansion particles 13, the thermal expansion particles 13 expand when heated, the sealing inner sleeve 15 and the sealing outer sleeve 10 are attached more tightly, and the air tightness in the first combined channel 1 and the second combined channel 9 is effectively guaranteed. Among them, the thermally-expansible particles 13 may be graphite powder particles.
The working principle is as follows: during operation, the whole length of the flow control operation channel is adjusted according to needs, the transmission screw 2 is directly rotated through the rotating piece 3, the transmission screw 2 can effectively drive the second combined channel 9 to move, the position of the second combined channel 9 is adjusted, the length of the whole operation channel is changed, the second combined channel 9 is continuously driven to move back and forth, so that the sealing inner sleeve 15 and the sealing outer sleeve 10 in the first combined channel 1 and the second combined channel 9 can generate relative movement friction force, heat generated by friction can be transmitted into the thermal expansion particles 13, the thermal expansion particles 13 expand under the heat, the sealing inner sleeve 15 and the sealing outer sleeve 10 are attached more tightly, the air tightness in the first combined channel 1 and the second combined channel 9 is effectively ensured, when in use, the pipe cover 17 is opened, the needed pipe medical instrument is inserted into the penetrating pipe 16, the supporting plate 6 is installed on the first combined channel 1 in a threaded manner, when carrying out the operation, when the doctor operates, support film 8 with telescopic bracket 7 and the contact of operator's skin support, when carrying out the operation, can rotate the angle that shell 5 adjusted whole medical instrument through rotating at any time according to the operation needs, after finishing adjusting, directly dial support 202 and fall off, fixed axle 204 can move down under the effect of outer spring 205, make preforming 206 suppression inlay card in the fixed orifices in apical groove 4, accomplish the quick fixation to shell 5 that rotates on the top, when carrying out the operation simultaneously, can change the angle of whole operation passageway as required at any time.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides a accuse flow type operation passageway with fixed establishment, includes first combination passageway (1), supporting disk (6), telescopic bracket (7), second combination passageway (9), sealed endotheca (15) and fixed establishment (20), its characterized in that: first combination passageway (1) has second combination passageway (9) through spacing slide bar (12) slidable mounting of its bottom installation, supporting disk (6) screw thread is installed in the outside of first combination passageway (1), has a plurality of telescopic bracket (7) through universal joint movable mounting on the bottom surface of supporting disk (6), top groove (4) have been seted up at the top of first combination passageway (1), top commentaries on classics shell (5) that have rotation outer muscle (18) are installed to commentaries on classics groove (19) internal rotation of seting up in top groove (4), fixed mounting has fixed establishment (20) on the outer wall of one side of top commentaries on classics shell (5).
2. The flow control type operation channel with the fixing mechanism as claimed in claim 1, wherein the telescopic bracket (7) is composed of an inner guide rail (71), a first outer top spring (72), a shaping frame (74) and a telescopic frame (75), an installation inner cavity (73) is opened inside the shaping frame (74), and the inner guide rail (71) is fixedly installed on the inner wall of the installation inner cavity (73).
3. The flow control type operation channel with the fixing mechanism as claimed in claim 2, wherein the first outer top spring (72) is fixedly installed inside the installation cavity (73), the telescopic frame (75) is slidably installed on the inner guide rail (71), one end of the first outer top spring (72) is fixedly connected with the top end of the telescopic frame (75), and the bottom of the telescopic frame (75) is fixedly installed with the support base plate (8).
4. The flow control type operation channel with the fixing mechanism is characterized in that a penetrating pipe (16) is fixedly installed at the top of the top rotating shell (5), and a pipe cover (17) is installed on the penetrating pipe (16) in a clamping and embedding mode through a connecting strip.
5. The flow control type operation channel with the fixing mechanism as claimed in claim 4, wherein an inner wall of the through pipe (16) is provided with an installation inner hole (21), a second outer top spring (22) is fixedly installed inside the installation inner hole (21), and one end of the second outer top spring (22) is fixedly installed with a fixing clamping piece (23).
6. The flow control type operation channel with the fixing mechanism according to claim 1, wherein the fixing mechanism (20) is composed of an L-shaped mounting plate (201), a supporting bracket (202), a top plate (203), a fixing shaft (204), an outer spring (205) and a pressing plate (206), the fixing shaft (204) is slidably mounted in a sliding hole formed in the L-shaped mounting plate (201), the top end and the bottom end of the fixing shaft (204) are respectively fixedly provided with the top plate (203) and the pressing plate (206), and the pressing plate (206) is clamped and embedded in a fixing hole formed in the top groove (4).
7. The flow control type operation channel with the fixing mechanism is characterized in that a supporting bracket (202) is rotatably installed on the top surface of the L-shaped mounting plate (201) through a rotating shaft, the top end of the supporting bracket (202) is contacted and pressed with the bottom surface of the top plate (203), the outer spring (205) is sleeved outside the fixing shaft (204), and one end of the outer spring (205) is fixedly connected with the top surface of the L-shaped mounting plate (201).
8. The flow control type operation channel with the fixing mechanism as claimed in claim 7, wherein a shaft sleeve installed at the top of the first combined channel (1) is rotatably provided with a transmission screw (2), the second combined channel (9) is in threaded connection with the transmission screw (2) through a threaded hole formed in the second combined channel, and a rotating plate (3) is fixedly installed outside the transmission screw (2).
9. A flow control surgical tunnel having a securing mechanism according to claim 8, wherein: a sealing outer sleeve (10) is arranged on the outer surface of the second combined channel (9), mounting sliding grooves (11) are formed in the outer wall of the front face and the outer wall of the back face of the second combined channel (9), and sliding strips corresponding to the mounting sliding grooves (11) are formed in the first combined channel (1).
10. A flow control surgical tunnel having a securing mechanism according to claim 9, wherein: a channel inner cavity (14) is formed in the first combined channel (1), a sealing inner sleeve (15) is arranged on the inner wall of the channel inner cavity (14), and thermal expansion particles (13) are filled in the sealing inner sleeve (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110195447.9A CN112890885B (en) | 2021-02-22 | 2021-02-22 | Flow control type operation channel with fixing mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110195447.9A CN112890885B (en) | 2021-02-22 | 2021-02-22 | Flow control type operation channel with fixing mechanism |
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| CN112890885A true CN112890885A (en) | 2021-06-04 |
| CN112890885B CN112890885B (en) | 2022-04-08 |
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| CN202110195447.9A Active CN112890885B (en) | 2021-02-22 | 2021-02-22 | Flow control type operation channel with fixing mechanism |
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| CN113397666A (en) * | 2021-07-20 | 2021-09-17 | 王倩青 | Single-port multi-channel operation sheath for transumbilical single-port laparoscopic surgery |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113397666A (en) * | 2021-07-20 | 2021-09-17 | 王倩青 | Single-port multi-channel operation sheath for transumbilical single-port laparoscopic surgery |
| CN113397666B (en) * | 2021-07-20 | 2022-06-07 | 王倩青 | Single-port multi-channel operation sheath for transumbilical single-port laparoscopic surgery |
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| CN112890885B (en) | 2022-04-08 |
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