CN112137676B - Snare for flat polyp operation - Google Patents
Snare for flat polyp operation Download PDFInfo
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- CN112137676B CN112137676B CN202010996599.4A CN202010996599A CN112137676B CN 112137676 B CN112137676 B CN 112137676B CN 202010996599 A CN202010996599 A CN 202010996599A CN 112137676 B CN112137676 B CN 112137676B
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- 208000037062 Polyps Diseases 0.000 title claims abstract description 41
- 230000007246 mechanism Effects 0.000 claims abstract description 103
- 238000005520 cutting process Methods 0.000 claims abstract description 36
- 238000001356 surgical procedure Methods 0.000 claims abstract description 7
- 238000003780 insertion Methods 0.000 claims description 16
- 230000037431 insertion Effects 0.000 claims description 16
- 238000004140 cleaning Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000028327 secretion Effects 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 206010064912 Malignant transformation Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000036212 malign transformation Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003097 mucus Anatomy 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/12—Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord
- A61B17/12009—Implements for ligaturing other than by clamps or clips, e.g. using a loop with a slip knot
- A61B17/12013—Implements for ligaturing other than by clamps or clips, e.g. using a loop with a slip knot for use in minimally invasive surgery, e.g. endoscopic surgery
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Reproductive Health (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a snare for flat polyp surgery, which comprises a supporting mechanism, wherein a snare fixing mechanism is arranged on one side of the supporting mechanism in a threaded manner, a negative pressure suction mechanism is fixedly arranged on the supporting mechanism, a storage mechanism is fixedly arranged on the supporting mechanism, the negative pressure suction mechanism is in threaded connection with the storage mechanism, a storage groove is fixedly arranged on the inner wall of a fixed cylinder, a limiting block is fixedly connected to one side of the fixed cylinder, and a cutting wire is in sliding connection with the limiting block. The snare for flat polyp operation has the advantages of providing a reliable fixing structure, reducing the cutting difficulty, improving the working efficiency, cleaning the surface of the flat polyp, conveniently determining the position and the size of the flat polyp, storing the cut flat polyp, enabling the structure connection to be tighter, being more convenient to mount and dismount, being convenient to use and the like.
Description
Technical Field
The patent relates to polyp-related technology, in particular to technology of a snare for flat polyp operation.
Background
In brief, polyps have pedicular polyps and polyps with a relatively wide base. Most of polyps with wide bases are flat polyps, and those with pedicles are more benign, and are prone to malignant transformation.
However, the existing snare for flat polyp operation has some disadvantages in the using process, and when the snare is used, firstly, polyp fixation is not firm and reliable, the difficulty of polyp excision is increased, the using efficiency is reduced, secondly, the excised polyp cannot be collected and stored, thirdly, the surface of the polyp cannot be cleaned, the observation of the polyp is inconvenient, fourthly, the operation is complex, the snare is inconvenient to mount and dismount, and the snare is inconvenient to use.
Disclosure of Invention
The object of the present invention is to provide a snare for flat polyp surgery to solve the problems set forth in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: comprises a supporting mechanism, a snare fixing mechanism is installed on one side of the supporting mechanism through threads, a negative pressure suction mechanism is fixedly installed on the supporting mechanism, a storage mechanism is fixedly installed on the supporting mechanism, the negative pressure suction mechanism is in threaded connection with the storage mechanism, the snare fixing mechanism comprises an insertion tube, a fixing tube, a storage groove, a cutting wire, a limiting block, a pull ring, a traction cable and a connecting block, the fixing tube is fixedly connected at one end of the insertion tube, the connecting block is fixedly connected at one end of the insertion tube far away from the fixing tube, the pull ring is movably installed on the connecting block, the traction cable is fixedly connected on one side of the pull ring, the traction cable is in sliding connection with the insertion tube and the connecting block, the cutting wire is fixedly connected at one end of the traction cable far away from the pull ring, the storage groove is fixedly arranged on the inner wall of the fixing, the limiting block is fixedly connected to one side, located on the storage groove, of the fixing barrel, and the cutting wire is connected with the limiting block in a sliding mode.
Furthermore, the number of the limiting blocks is two, orifices are formed in the two limiting blocks, and the storage groove is located between the two limiting blocks and provided with an opening.
Furthermore, both ends of the cutting wire are fixedly connected to one end of the traction cable, which is close to the cutting wire, is connected with a spring, and the spring is used for restoring the cutting wire.
Further, the supporting mechanism comprises a supporting box body, a moving mechanism, an independent switch button, a connector and a fixing groove, the moving mechanism is fixedly installed on one side of the supporting box body, the independent switch button is fixedly installed on one side of the supporting box body, the connector is fixedly installed on one side of the supporting box body, the supporting box body is located on the independent switch button, and the fixing groove is fixedly arranged on the supporting box body.
Furthermore, moving mechanism is the universal wheel, and installs the wheel on the universal wheel and stops, moving mechanism's quantity has four, four moving mechanism symmetry equidistance is installed on the supporting box body.
Furthermore, the connecting port is provided with an external thread, the connecting block is provided with an internal thread, and the connecting block is in threaded connection with the connecting port.
Further, negative pressure attracts mechanism includes first storage jar, negative pressure pump, electrical power generating mechanism, compensation connection pipe, crosses filter block and first connecting pipe, negative pressure pump fixed mounting be in inside the supporting box, first storage jar passes through first connecting pipe with negative pressure pump threaded connection, first storage jar movable mounting be in on the supporting box in the fixed slot, electrical power generating mechanism fixed mounting be in inside the supporting box, electrical power generating mechanism is the lithium cell, electrical power generating mechanism is used for doing the negative pressure pump provides working power, cross filter block fixed mounting be in on the compensation connection pipe, compensation connection pipe fixed mounting be in on the first storage jar, set up porosely on the compensation connection pipe.
Furthermore, the negative pressure pump is connected with the connecting port through a hose thread, and the model of the negative pressure pump is any one of AC2608585B310, AC40086102C400 and AC2608585B 260.
Further, it includes second storage jar, second connecting pipe, sealed lid and horn mouth to store the mechanism, second storage jar movable mounting be in on the supporting box in the fixed slot, second storage jar with sealed lid threaded connection, sealed lid with compensation connecting pipe fixed connection, horn mouth fixed bonding is in the one end of second connecting pipe, the second connecting pipe is kept away from the one end of horn mouth with negative pressure pump threaded connection.
Furthermore, the number of the filter blocks is two, the filter blocks are symmetrically arranged at two ends of the compensation connecting pipe, and the material and the shape and the size of the second connecting pipe are the same as those of the compensation connecting pipe and the first connecting pipe.
Compared with the prior art, the invention has the beneficial effects that:
(1) the flat polypus fixing device has the advantages that the reliable fixing structure can be provided by arranging the snare fixing mechanism, the flat polypus can be conveniently fixed, the cutting difficulty is reduced, the working efficiency is improved, the flat polypus is fixed through the fixing cylinder, the cutting wire in the storage groove is matched, the pull ring is pulled, the cutting wire is driven by the traction cable to cut the flat polypus, the fixing is firm and reliable, the cutting wire is reset by matching with the limiting block and the spring, and the using efficiency is improved.
(2) The negative pressure suction mechanism is arranged, so that the surface of the flat polyp can be cleaned, the position and the size of the flat polyp can be accurately determined, the cutting work is convenient to carry out, the insertion pipe is in threaded connection with the connecting port through the negative pressure pump, the insertion pipe is in threaded connection with the connecting port through the connecting block, the negative pressure pump can provide reliable suction force, secretion such as mucus on the surface of the flat polyp can be cleaned into the first storage tank through the matching of the negative pressure pump and the connecting port, and the flat polyp can be observed, positioned and cut conveniently.
(3) According to the invention, the cut flat polyp can be stored by arranging the storage mechanism, the use efficiency of the device is improved, the health and safety of a patient are ensured, the second storage tank is fixedly arranged on the supporting box body, the second storage tank is connected with the first storage tank through the compensation connecting pipe, the pressure is relieved through the opening on the compensation connecting pipe, substances in the first storage tank and the second storage tank are filtered through the filter block, a reliable storage structure is provided for the device, and the device is convenient to use.
(4) The supporting mechanism is arranged, so that the structural connection is tighter, the installation and the disassembly are more convenient, the use is convenient, the reliable protection and the fixed supporting structure can be provided through the supporting box body and the fixed groove, the opening and the closing of the negative pressure pump are conveniently controlled through the independent switch button, the device is convenient to move through the moving mechanism, the operation is simple and convenient, and the use is convenient.
Drawings
FIG. 1 is a schematic structural diagram according to an embodiment of the present invention;
FIG. 2 is a schematic view in partial cross-section of the snare fixing mechanism in the embodiment of FIG. 1;
FIG. 3 is a partial schematic structural view of a snare fixing mechanism in the embodiment of FIG. 1;
FIG. 4 is a partial schematic structural view of the support mechanism in the embodiment of FIG. 1;
FIG. 5 is a partial schematic structural view of the negative pressure suction mechanism in the embodiment of FIG. 1;
FIG. 6 is a schematic cross-sectional view of the interior of the support box of the embodiment of FIG. 1;
fig. 7 is a schematic sectional view of the second storage tank in the embodiment of fig. 1.
Reference numerals: 1. a support mechanism; 101. supporting the box body; 102. a moving mechanism; 103. an independent switch button; 104. a connecting port; 105. fixing grooves; 2. a snare fixing mechanism; 201. an insertion tube; 202. a fixed cylinder; 203. a storage tank; 204. cutting the wire; 205. a limiting block; 206. a pull ring; 207. a traction cable; 208. connecting blocks; 3. a negative pressure suction mechanism; 301. a first storage tank; 302. a negative pressure pump; 303. a power supply mechanism; 304. a compensation connecting pipe; 305. a filter block; 306. a first connecting pipe; 4. a storage mechanism; 401. a second storage tank; 402. a second connecting pipe; 403. a sealing cover; 404. a bell mouth.
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, fig. 2, fig. 3, fig. 4 and fig. 5, and fig. 6 and fig. 7, fig. 1 is a schematic structural diagram according to an embodiment of the present invention; FIG. 2 is a schematic view in partial cross-section of the snare fixing mechanism in the embodiment of FIG. 1; FIG. 3 is a partial schematic structural view of a snare fixing mechanism in the embodiment of FIG. 1; FIG. 4 is a partial schematic structural view of the support mechanism in the embodiment of FIG. 1; FIG. 5 is a partial schematic structural view of the negative pressure suction mechanism in the embodiment of FIG. 1; FIG. 6 is a schematic cross-sectional view of the interior of the support box of the embodiment of FIG. 1; fig. 7 is a schematic cross-sectional structure diagram of the second storage tank in the embodiment of fig. 1, which includes a support mechanism 1, a support box 101, a moving mechanism 102, an independent switch button 103, a connection port 104, a fixing groove 105, a snare fixing mechanism 2, an insertion tube 201, a fixing cylinder 202, a storage groove 203, a cutting wire 204, a limit block 205, a pull ring 206, a pull rope 207, a connection block 208, a negative pressure suction mechanism 3, a first storage tank 301, a negative pressure pump 302, a power supply mechanism 303, a compensation connection tube 304, a filter block 305, a first connection tube 306, a storage mechanism 4, a second storage tank 401, a second connection tube 402, a sealing cover 403, and a bell mouth 404, wherein as shown in fig. 1, 2 and 3, the support mechanism 1 is included, the snare fixing mechanism 2 is threadedly mounted on one side of the support mechanism 1, the negative pressure suction mechanism 3 is fixedly mounted on the support mechanism 1, the storage mechanism, the negative pressure suction mechanism 3 is in threaded connection with the storage mechanism 4, the snare fixing mechanism 2 comprises an insertion tube 201, a fixed cylinder 202, a storage groove 203, a cutting wire 204, a limiting block 205, a pull ring 206, a traction cable 207 and a connecting block 208, the fixed cylinder 202 is fixedly connected to one end of the insertion tube 201, the connecting block 208 is fixedly connected to one end, far away from the fixed cylinder 202, of the insertion tube 201, the pull ring 206 is movably installed on the connecting block 208, the traction cable 207 is fixedly connected to one side of the pull ring 206, the traction cable 207 is in sliding connection with the insertion tube 201 and the connecting block 208, the cutting wire 204 is fixedly connected to one end, far away from the pull ring 206, of the storage groove 203 is fixedly arranged on the inner wall of the fixed cylinder 202, the limiting block 205 is fixedly connected to one side.
Specifically, as shown in fig. 1 and 2, the number of the limiting blocks 205 is two, the two limiting blocks 205 are provided with orifices, the storage groove 203 is positioned between the two limiting blocks 205 and provided with openings, the cutting wire 204 is limited by the limiting blocks 205, and the storage space is provided for the cutting wire 204 by the storage groove 203, so that the cutting wire cutting device is safe, reliable and convenient to operate.
Specifically, as shown in fig. 2 and 3, both ends of the cutting wire 204 are fixedly connected to one end of a pulling cable 207, one end of the pulling cable 207, which is close to the cutting wire 204, is connected with a spring, and the spring is used for restoring the cutting wire 204, pulling a pull ring 206, driving the cutting wire 204 through the pulling cable 207 to perform cutting operation, releasing the pull ring 206, and returning the cutting wire 204 to the storage tank 203 through the spring and a limit block 205 for storage, so that the cutting wire is safe, reliable and convenient to operate.
Specifically, as shown in fig. 1 and 4, the supporting mechanism 1 includes a supporting box 101, a moving mechanism 102, an independent switch button 103, a connector 104 and a fixing groove 105, the moving mechanism 102 is fixedly installed at one side of the supporting box 101, the independent switch button 103 is fixedly installed at one side of the supporting box 101, the connector 104 is fixedly installed at one side of the supporting box 101 where the independent switch button 103 is located, and the fixing groove 105 is fixedly installed on the supporting box 101, so that a reliable supporting structure and a protection structure can be provided, and the supporting mechanism is convenient to operate and use.
Specifically, as shown in fig. 1 and 4, the moving mechanism 102 is a universal wheel, a wheel brake is mounted on the universal wheel, the number of the moving mechanisms 102 is four, the four moving mechanisms 102 are symmetrically and equidistantly mounted on the supporting box 101, and the device is convenient to move, simple to operate and convenient to use.
Specifically, as shown in fig. 1 and 4, an external thread is provided on the connection port 104, an internal thread is provided on the connection block 208, and the connection block 208 is in threaded connection with the connection port 104, so that the structural connection is more compact and reliable, the mounting and dismounting are more convenient, and the time and labor are saved.
Specifically, as shown in fig. 5 and 6, the negative pressure suction mechanism 3 includes a first storage tank 301, a negative pressure pump 302, a power supply mechanism 303, a compensation connection pipe 304, a filter block 305, and a first connection pipe 306, the negative pressure pump 302 is fixedly installed inside the supporting box 101, the first storage tank 301 is in threaded connection with the negative pressure pump 302 through the first connection pipe 306, the first storage tank 301 is movably installed in the fixing groove 105 on the supporting box 101, power mechanism 303 fixed mounting is inside supporting box 101, power mechanism 303 is the lithium cell, power mechanism 303 is used for providing working power for negative pressure pump 302, filter block 305 fixed mounting is on compensation connecting pipe 304, compensation connecting pipe 304 fixed mounting is on first storage jar 301, it is porose to set up on the compensation connecting pipe 304, can let structural connection inseparabler reliable, and provide reliable structure basis, facilitate the use, the operation of being convenient for.
Specifically, as shown in fig. 5, the negative pressure pump 302 is connected to the connection port 104 by a hose through a thread, the negative pressure pump 302 is any one of the types AC2608585B310, AC40086102C400 and AC2608585B260, and the negative pressure pump 302 provides reliable working power, so that the operation is convenient, and the operation is safe and reliable.
Specifically, as shown in fig. 5 and 7, the storage mechanism 4 includes a second storage tank 401, a second connecting pipe 402, a sealing cover 403 and a bell mouth 404, the second storage tank 401 is movably mounted in the fixing groove 105 on the supporting box 101, the second storage tank 401 is in threaded connection with the sealing cover 403, the sealing cover 403 is fixedly connected with the compensation connecting pipe 304, the bell mouth 404 is fixedly attached to one end of the second connecting pipe 402, which is far away from the bell mouth 404, is in threaded connection with the negative pressure pump 302, a reliable storage structure can be provided, and the negative pressure pump 302 is matched to suck the polyp into the second storage tank 401 for storage, so that the operation is convenient and the use is convenient.
Specifically, as shown in fig. 5 and 7, the number of the filter blocks 305 is two, the two filter blocks 305 are symmetrically installed at two ends of the compensation connecting pipe 304, the material and the shape and the size of the second connecting pipe 402 are the same as those of the compensation connecting pipe 304 and the first connecting pipe 306, the second storage tank 401 and the first storage tank 301 are connected through the compensation connecting pipe 304, the pressure is released through an opening in the compensation connecting pipe 304, and the device and the user can be protected, safely and reliably.
In summary, the snare for flat polyp surgery provided by the present invention, when in use:
firstly, the supporting box body 101 is moved to a working area through the moving mechanism 102, the device is fixed through a wheel brake on a universal wheel, then the inserting tube 201 is connected with the connecting port 104 on the supporting box body 101 through the connecting block 208 and is screwed, then the independent switch button 103 on the supporting box body 101 is pressed for debugging and checking, after the debugging and checking are completed, the inserting tube 201 is controlled, the fixing cylinder 202 is moved to the approximate position of the flat polyp, the independent switch button 103 is pressed, the power supply mechanism 303 supplies power for the negative pressure pump 302, the cleaning work is started, the position of the fixing cylinder 202 is moved back and forth, secretion on the surface of the flat polyp is sucked away, the secretion enters the connecting port 104 through the inserting tube 201 and enters the first storage tank 301 through the first connecting tube 306, meanwhile, redundant gas flows to the outside through an opening on the compensation connecting tube 304, and the active carbon block and the metal mesh sheet in the matching filter block 305 are filtered, safe, reliable, environment-friendly and healthy, meanwhile, the fixed cylinder 202 is perpendicular to the flat polyp, the flat polyp is sucked into the fixed cylinder 202 and forms reliable fixation, then the cutting wire 204 is pulled through the pulling rope 207 by pulling the pulling ring 206 on the connecting block 208, the flat polyp is cut off by matching with the limiting block 205, then the cutting wire 204 returns to the storing groove 203 through the spring on the pulling rope 207 after the pulling ring 206 is loosened and the cut flat polyp is moved to the connecting port 104 along the inserting pipe 201 after matching with the limiting block 205, and the flat polyp is quickly collected and stored after being moved to the second storage tank 401 through the second connecting pipe 402 and the bell mouth 404, the operation is simple and convenient, the flat polyp is safe and reliable, the flat polyp can be conveniently unscrewed from the second storage tank 401 in matching with the sealing cover 403, the second storage tank 401 is convenient to clean, the connection is tight and reliable, safe and reliable.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A snare for flat polyp surgery, comprising a support mechanism (1), characterized in that: a snare fixing mechanism (2) is installed on one side of the supporting mechanism (1) through threads, a negative pressure suction mechanism (3) is fixedly installed on the supporting mechanism (1), a storage mechanism (4) is fixedly installed on the supporting mechanism (1), the negative pressure suction mechanism (3) is in threaded connection with the storage mechanism (4),
the supporting mechanism (1) comprises a supporting box body (101) and a fixing groove (105);
the snare fixing mechanism (2) comprises an insertion tube (201), a fixed barrel (202), a storage groove (203), a cutting wire (204), a limiting block (205), a pull ring (206), a traction cable (207) and a connecting block (208), the fixed barrel (202) is fixedly connected at one end of the insertion tube (201), the connecting block (208) is fixedly connected at one end, far away from the fixed barrel (202), of the insertion tube (201), the pull ring (206) is movably installed on the connecting block (208), the traction cable (207) is fixedly connected at one side of the pull ring (206), the traction cable (207) is in sliding connection with the insertion tube (201) and the connecting block (208), the cutting wire (204) is fixedly connected at one end, far away from the pull ring (206), of the storage groove (203) is fixedly arranged on the inner wall of the fixed barrel (202), the limiting block (205) is fixedly connected to one side, located on the storage groove (203), of the fixed barrel (202), and the cutting wire (204) is connected with the limiting block (205) in a sliding mode;
the negative pressure suction mechanism (3) comprises a negative pressure pump (302), a compensation connecting pipe (304), a first storage tank (301) and a first connecting pipe (306);
store mechanism (4) and include second storage jar (401), second connecting pipe (402), sealed lid (403) and horn mouth (404), second storage jar (401) movable mounting be in on supporting box (101) in fixed slot (105), second storage jar (401) with sealed lid (403) threaded connection, sealed lid (403) with compensation connecting pipe (304) fixed connection, horn mouth (404) fixed bond be in the one end of second connecting pipe (402), second connecting pipe (402) are kept away from the one end of horn mouth (404) with negative pressure pump (302) threaded connection.
2. A snare according to claim 1, wherein the number of the stoppers (205) is two, the stoppers (205) are provided with openings, and the storage groove (203) is provided between the stoppers (205) with openings.
3. A snare for flat polyp surgery as claimed in claim 1, wherein both ends of the cutting wire (204) are fixedly connected to one end of the pull cable (207), a spring is connected to one end of the pull cable (207) close to the cutting wire (204), and the spring is used for restoring the cutting wire (204).
4. A snare for flat polyp surgery as claimed in claim 1, wherein the support mechanism (1) further comprises a moving mechanism (102), a separate switch button (103), and a connection port (104), the moving mechanism (102) is fixedly installed at one side of the support case (101), the separate switch button (103) is fixedly installed at one side of the support case (101), the connection port (104) is fixedly installed at one side of the support case (101) where the separate switch button (103) is located, and the fixing groove (105) is fixedly opened on the support case (101).
5. A snare according to claim 4, wherein the moving mechanism (102) is a universal wheel, a wheel brake is mounted on the universal wheel, the number of the moving mechanisms (102) is four, and four moving mechanisms (102) are symmetrically and equidistantly mounted on the support case (101).
6. A snare according to claim 4, wherein the connection port (104) is externally threaded, the connection block (208) is internally threaded, and the connection block (208) is threadedly connected to the connection port (104).
7. A snare according to claim 5, wherein the negative pressure suction mechanism (3) further comprises a power supply mechanism (303) and a filter block (305), the negative pressure pump (302) is fixedly mounted inside the support case (101), the first storage tank (301) is in threaded connection with the negative pressure pump (302) through the first connection tube (306), the first storage tank (301) is movably mounted in the fixing groove (105) on the support case (101), the power supply mechanism (303) is fixedly mounted inside the support case (101), the power supply mechanism (303) is used for supplying operating power to the negative pressure pump (302), the filter block (305) is fixedly mounted on the compensating connection tube (304), and the compensating connection tube (304) is fixedly mounted on the first storage tank (301), the compensation connecting pipe (304) is provided with a hole.
8. A snare according to claim 7, wherein the negative pressure pump (302) is threadably connected to the connection port (104) by a hose.
9. A snare for flat polyp surgery as claimed in claim 7, wherein the number of the filter blocks (305) is two, and two of the filter blocks (305) are symmetrically installed at both ends of the compensation connection tube (304).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010996599.4A CN112137676B (en) | 2020-09-21 | 2020-09-21 | Snare for flat polyp operation |
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| CN202010996599.4A CN112137676B (en) | 2020-09-21 | 2020-09-21 | Snare for flat polyp operation |
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| CN112137676B true CN112137676B (en) | 2021-07-06 |
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| CN209033291U (en) * | 2018-05-16 | 2019-06-28 | 嘉兴深拓科技有限公司 | A kind of automatically controlled aspirator of gynemetrics |
| CN209153782U (en) * | 2018-06-22 | 2019-07-26 | 刘建强 | Polypectomy collection device |
| CN210931556U (en) * | 2019-09-20 | 2020-07-07 | 刘朋 | Collector for removing polyp by gastrointestinal endoscope |
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