CN211355753U

CN211355753U - Hysteromyoma rotary cutter

Info

Publication number: CN211355753U
Application number: CN201921522347.7U
Authority: CN
Inventors: 吴玲; 钱艾
Original assignee: Changzhou Tumor Hospital (changzhou Fourth People's Hospital)
Current assignee: Changzhou Tumor Hospital (changzhou Fourth People's Hospital)
Priority date: 2019-09-09
Filing date: 2019-09-09
Publication date: 2020-08-28
Anticipated expiration: 2029-09-09

Abstract

The utility model discloses a hysteromyoma peeler, its technical scheme main points are: the cutting machine comprises a servo motor fixed in a machine body shell, wherein a fixed rod is fixed at the end part of a motor shaft of the servo motor and is rotatably connected in the machine body shell through a bearing, a nub suction pipe is detachably connected at the end part of the fixed rod, a plurality of waist-shaped notches are formed in the nub suction pipe, cutting sheets for cutting a myoma into small blocks are respectively fixed on two opposite side walls of the waist-shaped notches, cutting teeth are respectively arranged on the cutting sheets, and a cleaning opening is formed in the end part of the nub suction pipe; when the hysteromyoma rotary cutter is used, the tumor mass suction tube extends into the abdominal cavity from the minimally invasive opening under the guidance of ultrasound, and rotary cutting is carried out on the tumor body cut in the abdominal cavity, so that the tumor body is changed into a small tumor mass to be taken out conveniently.

Description

Hysteromyoma rotary cutter

Technical Field

The utility model relates to the field of medical devices, in particular to a hysteromyoma rotary cutter.

Background

When the minimally invasive surgery for hysteromyoma is used for carrying out the hysteromyoma resection, if the hysteromyoma is large, generally, other instruments are used for integrally resecting the hysteromyoma, then the resected hysteromyoma is rotationally cut into small pieces in the abdominal cavity by using a hysteromyoma rotary cutter, and then the small pieces are sucked and taken out through negative pressure, so that the surgical process is completed. One of the indispensable devices is the hysteromyoma rotary cutter in the process.

The prior Chinese patent with publication number CN202288406U discloses a hysteromyoma rotary cutter, belonging to the technical and mechanical field of medical appliances. This hysteromyoma rotary cutter, including frame, cutter arbor, seal the seat, it has the draw-in groove to open on the frame, the one end of cutter arbor is provided with the tool bit, and the other end links to each other with the locked groove seat is fixed, it has locking groove to open on the locked groove seat, the seal seals the end at the locked groove seat, and the fixed blade holder that is provided with on the cutter arbor, the fixed bayonet lock that is provided with on the blade holder, bayonet lock card are in the draw-in groove, and the fixed pin that is provided with on the frame, the activity is provided with the handle on the fixed pin, and the fixed pin passes through the torsional spring.

The hysteromyoma rotary cutter has the advantages of convenient use and difficult falling of the cutter bar. However, the above-mentioned rotary shaver for hysteromyoma still has some disadvantages, such as: firstly, only one cutter head can be used for cutting, and the cut myoma blocks cannot be automatically sucked out by using an external negative pressure suction device; secondly, only one cutter head is provided, so that the cutting efficiency is low during rotary cutting, and the operation time is prolonged; thirdly, the rotary-cut parts cannot be conveniently disassembled and cleaned.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems mentioned in the background art and provide a hysteromyoma rotary cutter to solve the problems mentioned in the background art.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a hysteromyoma rotary cutter comprises a servo motor fixed in a machine body shell, a fixed rod is fixed at the end part of a motor shaft of the servo motor, the fixed rod is rotationally connected in the machine body shell through a bearing, the end part of the fixed rod is detachably connected with a tumor mass suction pipe, a plurality of waist-shaped notches are arranged on the tumor mass suction pipe, cutting sheets for cutting the myoma into small blocks are respectively fixed on two opposite side walls of the waist-shaped notches, a plurality of cutting sheets are respectively provided with cutting teeth, the end part of the tumor mass suction pipe is provided with a cleaning opening, the cleaning opening is in threaded connection with a baffle ring, an embedded groove is arranged on the ring wall of the baffle ring, a sealing gasket is embedded and fixed in the embedded groove, the tumor mass suction pipe is also provided with a first pipeline which is mutually communicated with the interior of the tumor mass suction pipe, the end part of the first pipeline is detachably connected with a second pipeline which is used for being connected with an external negative pressure suction device.

By adopting the technical scheme, when the hysteromyoma rotary cutter is used, the tumor mass suction tube extends into the abdominal cavity from the minimally invasive opening under the ultrasonic guidance, and rotary cutting is carried out on the tumor body which is cut in the abdominal cavity, so that the tumor body is changed into a small tumor mass to be conveniently taken out; the tumor block can be rapidly cut into small blocks by utilizing the cutting pieces at the plurality of waist-shaped notches on the tumor block suction pipe, the small tumor blocks can be sucked into the tumor block suction pipe by an external negative pressure suction device and then discharged from the first pipeline and the second pipeline, the automatic suction of the tumor blocks can be realized, and the rotary cutting efficiency can be improved; after the device finishes using, can dismantle the negative pressure suction tube from the dead lever tip, dismantle the fender ring of washing mouth department from the tumor piece suction tube, dismantle first pipeline and second pipeline to can dismantle a plurality of parts, thereby made things convenient for washing and the disinfection to the device.

Preferably, the end of the fixing rod is provided with a threaded column part integrally formed with the fixing rod, the threaded column part is in threaded connection with the inside of the nub suction tube, the fixing rod is further provided with a protruding shaft shoulder part integrally formed with the fixing rod, the outside of the fixing rod is slidably connected with a fastening sleeve, and the fastening sleeve is in threaded connection with the protruding shaft shoulder part and the outside of the nub suction tube.

Through adopting above-mentioned technical scheme, when installing the dead lever tip with the tumor suction tube, can with screw thread column portion threaded connection in the tumor suction tube, later threaded connection protrusion shaft shoulder and tumor suction tube outside adapter sleeve realize the locking can, comparatively convenient and reliable.

Preferably, a first collar is fixed to the end of the first pipe close to the second pipe, a second collar is fixed to the second pipe close to the first pipe, and a threaded collar is screwed on the outer portions of the first collar and the second collar together.

Through adopting above-mentioned technical scheme, just can realize being connected and fixed very convenient to first pipeline and second pipeline when screwing up the outside screw thread ring cover of first collar and second collar.

Preferably, the first collar and the second collar are respectively provided with annular grooves with semicircular sections on the surfaces close to each other, and the two annular grooves are internally and jointly provided with an O-shaped sealing ring.

Through adopting above-mentioned technical scheme, the annular is embedded to establish fixed O shape circle and can increase the connection leakproofness between first pipeline and the second pipeline.

Preferably, the machine body shell comprises a main shell body and a baffle plate which is fixedly arranged at the end part of the main shell body through a plurality of screws, and the baffle plate is provided with densely distributed air holes.

Through adopting above-mentioned technical scheme, engine body shell adopts the main casing body to form with the baffle equipment, and the convenience of installation ten minutes, bleeder vent on the baffle can be for servo motor heat dissipation.

Preferably, the second pipeline is fixed with a fixed ring at the end far away from the first pipeline, and a plurality of threaded holes are formed in the fixed ring.

Through adopting above-mentioned technical scheme, the screw hole on the solid fixed ring can conveniently carry out the bolt butt joint installation with the intake pipe end portion of external negative pressure suction means like the air pump.

Preferably, an annular sinking groove is formed in one surface, deviating from the second pipeline, of the fixing ring, and an annular sealing ring with a rectangular cross section is embedded and fixed in the sinking groove.

Through adopting above-mentioned technical scheme, the leakproofness that the ring type seal in the heavy groove can increase its department and connect.

Preferably, a handle is fixed on the machine body shell.

Through adopting above-mentioned technical scheme, the handle on the engine body shell can make things convenient for operator slotted hole rotary cutter.

To sum up, the utility model discloses mainly have following beneficial effect:

when the hysteromyoma rotary cutter is used, the tumor mass suction tube extends into the abdominal cavity from the minimally invasive opening under the ultrasonic guidance, and rotary cutting is carried out on the tumor body cut in the abdominal cavity, so that the tumor body is changed into a small tumor mass to be conveniently taken out; the tumor block can be rapidly cut into small blocks by utilizing the cutting pieces at the plurality of waist-shaped notches on the tumor block suction pipe, the small tumor blocks can be sucked into the tumor block suction pipe by an external negative pressure suction device and then discharged from the first pipeline and the second pipeline, the automatic suction of the tumor blocks can be realized, and the rotary cutting efficiency can be improved; after the device finishes using, can dismantle the negative pressure suction tube from the dead lever tip, dismantle the fender ring of washing mouth department from the tumor piece suction tube, dismantle first pipeline and second pipeline to can dismantle a plurality of parts, thereby made things convenient for washing and the disinfection to the device.

Drawings

FIG. 1 is a schematic structural view of a rotary shaver for hysteromyoma;

FIG. 2 is a structural cross-sectional view of a hysteromyoma rotary shaver;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is an enlarged view at B in FIG. 2;

fig. 5 is an enlarged view at C in fig. 2.

Reference numerals: 1. a body housing; 2. a servo motor; 3. fixing the rod; 4. a bearing; 5. a tumor mass suction tube; 6. a kidney-shaped notch; 7. cutting the slices; 8. cutting teeth; 9. cleaning the opening; 10. a baffle ring; 11. a groove is embedded; 12. a sealing gasket; 13. a first conduit; 14. a second conduit; 31. a threaded post portion; 32. a protruding shaft shoulder; 33. fastening sleeves; 15. a first collar; 16. a second collar; 17. a threaded ring sleeve; 18. a ring groove; 19. an O-shaped sealing ring; 101. a main housing; 102. a baffle plate; 103. air holes are formed; 20. a fixing ring; 21. a threaded hole; 22. sinking a groove; 23. an annular seal ring; 24. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, 2 and 4, a hysteromyoma rotary cutting machine comprises a servo motor 2 fixed in a machine body shell 1, wherein a fixing rod 3 is fixed at the end part of a motor shaft of the servo motor 2, the fixing rod 3 can be driven to rotate by the servo motor 2, and the fixing rod 3 is rotatably connected in the machine body shell 1 through a bearing 4; in order to utilize uterus myoma rotary cutter to realize rotary-cut and the absorption to the uterus myoma, 3 tip dismantlements of dead lever are connected with tumor mass suction tube 5, wherein seted up four waist shape notches 6 on tumor mass suction tube 5, be fixed with respectively on two relative lateral walls of four waist shape notches 6 and be used for cutting into the cutting piece 7 of fritter with the myoma, wherein have cutting tooth 8 on every cutting piece 7 respectively, utilize cutting tooth 8 on the cutting piece 7 can realize the rotary-cut to big tumor mass.

Fig. 2 and fig. 3, wherein the end of the tumor mass suction pipe 5 is provided with a cleaning opening 9, the cleaning opening 9 is in threaded connection with a baffle ring 10, the ring wall of the baffle ring 10 is provided with an embedded groove 11, a sealing gasket 12 is embedded and fixed in the embedded groove 11, the baffle ring 10 can be in threaded installation at the cleaning opening 9, and the baffle ring 10 can seal the cleaning opening 9 under the action of the sealing gasket 12 after the baffle ring 10 is screwed down.

Referring to fig. 1, 2 and 4, in order to facilitate the suction of the rotary-cut small tumor, the tumor suction tube 5 is further provided with a first pipeline 13 communicated with the interior of the tumor suction tube 5, wherein a second pipeline 14 for connecting an external negative pressure suction device is detachably connected to an end of the first pipeline 13; when the external negative pressure suction device is started, the tumor body which is cut into small pieces in a rotary manner can be discharged through the tumor suction tube 5, the first pipeline 13 and the second pipeline 14.

Referring to fig. 2 and 4, the wife has a threaded column 31 integrally formed with the fixing rod 3 at the end of the fixing rod 3, the threaded column 31 is screwed into the tumor mass suction pipe 5, the fixing rod 3 is further provided with a protruding shaft shoulder 32 integrally formed with the fixing rod 3, and the fixing rod 3 is slidably connected with a fastening sleeve 33 outside, wherein the fastening sleeve 33 is screwed onto the protruding shaft shoulder 32 and the exterior of the tumor mass suction pipe 5, when the tumor mass suction pipe 5 is installed at the end of the fixing rod 3, the threaded column 31 can be screwed into the tumor mass suction pipe 5, and then the protruding shaft shoulder is screwed into the fastening sleeve 33 outside the tumor mass suction pipe 5 to achieve locking, which is convenient and reliable; in order to facilitate the connection between the first pipeline 13 and the second pipeline 14, a first collar 15 is fixed at one end of the end part of the first pipeline 13 close to the second pipeline 14, a second collar 16 is fixed at one end of the second pipeline 14 close to the first pipeline 13, and a threaded ring sleeve 17 is in threaded connection with the outer parts of the first collar 15 and the second collar 16 together, so that the first pipeline 13 and the second pipeline 14 can be connected and fixed when the threaded ring sleeves 17 on the outer parts of the first collar 15 and the second collar 16 are screwed, and the connection is very convenient; meanwhile, annular grooves 18 with semicircular sections are formed in the surfaces, close to each other, of the first shaft ring 15 and the second shaft ring 16 respectively, O-shaped sealing rings 19 are arranged in the two annular grooves 18 together, and the connection sealing performance between the first pipeline 13 and the second pipeline 14 can be improved by embedding and fixing the O-shaped sealing rings in the annular grooves 18.

Referring to fig. 1 and 2, the main body housing 1 includes a main housing 101 and a baffle plate 102 fixed to an end of the main housing 101 by four screws, wherein the baffle plate 102 is provided with densely distributed air holes 103, the main body housing 1 is assembled by the main housing 101 and the baffle plate 102, the installation is very convenient, and the air holes 103 on the baffle plate 102 can dissipate heat for the servo motor 2.

Referring to fig. 2 and 5, in order to facilitate connection between the second pipeline 14 and the external negative pressure suction device, a fixing ring 20 is fixed to one end of the second pipeline 14 away from the first pipeline 13, wherein four threaded holes 21 are formed in the fixing ring 20, and the threaded holes 21 in the fixing ring 20 can facilitate bolt butt-joint installation with an end portion of an external negative pressure suction device, such as an air inlet pipe of an air pump; meanwhile, an annular sinking groove 22 is formed in one surface, away from the second pipeline 14, of the fixing ring 20, an annular sealing ring 23 with a rectangular cross section is fixedly embedded in the sinking groove 22, and the sealing performance of the connection position of the annular sealing ring 23 in the sinking groove 22 can be improved; meanwhile, a handle 24 is fixed on the machine body shell 1, and the handle 24 on the machine body shell 1 can facilitate the slotted hole rotary cutter of an operator.

Wherein the relationship between the negative pressure suction device used in cooperation with the device and the device is the relationship used in cooperation, and is irrelevant to the independent structure between the application; the negative pressure suction device can be a central negative pressure suction device equipped in hospitals, namely, negative pressure is generated through a pipeline to suck small tumor masses out of the device, and the structure of the device is similar to that of a dust collector, namely, suction power is generated by an air pump.

The use principle and the advantages are as follows: when the hysteromyoma rotary cutter is used, the tumor mass suction tube 5 extends into the abdominal cavity from the minimally invasive opening under the ultrasonic guidance, and rotary cutting is carried out on the tumor body cut in the abdominal cavity, so that the tumor body is changed into a small tumor mass to be conveniently taken out; the tumor blocks can be rapidly cut into small blocks by utilizing the cutting sheets 7 at the positions of the kidney-shaped notches 6 on the tumor block suction pipe 5, the tumor blocks of the small blocks can be sucked into the tumor block suction pipe 5 by an external negative pressure suction device and then can be discharged from the first pipeline 13 and the second pipeline 14, the automatic suction of the tumor blocks can be realized, and the rotary cutting efficiency can be improved; after the device finishes using, can follow 3 tip dismantlements of dead lever with the negative pressure suction tube, dismantle the fender ring 10 that will wash mouthful 9 departments from tumor mass suction tube 5, dismantle first pipeline 13 and second pipeline 14 to can dismantle a plurality of parts, thereby made things convenient for the washing and the disinfection to the device.

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

1. The utility model provides a hysteromyoma rotary cutter, is including servo motor (2) of fixing in engine body shell (1), the motor shaft end of servo motor (2) is fixed with dead lever (3), dead lever (3) rotate through bearing (4) and connect in engine body shell (1), its characterized in that: the end part of the fixed rod (3) is detachably connected with a nubby suction tube (5), a plurality of waist-shaped notches (6) are arranged on the nubby suction tube (5), cutting blades (7) for cutting the myoma into small blocks are respectively fixed on two opposite side walls of the waist-shaped notches (6), a plurality of cutting blades (7) are respectively provided with cutting teeth (8), the end part of the tumor mass suction pipe (5) is provided with a cleaning opening (9), the cleaning opening (9) is in threaded connection with a baffle ring (10), an embedded groove (11) is arranged on the ring wall of the baffle ring (10), a sealing gasket (12) is embedded and fixed in the embedded groove (11), the tumor mass suction pipe (5) is also provided with a first pipeline (13) which is mutually communicated with the interior of the tumor mass suction pipe (5), the end part of the first pipeline (13) is detachably connected with a second pipeline (14) which is used for being connected with an external negative pressure suction device.

2. A rotary shaver for hysteromyoma according to claim 1, wherein: dead lever (3) tip have with dead lever (3) integrated into one piece's screw thread post portion (31), screw thread post portion (31) threaded connection be in tumor piece suction tube (5), still have on dead lever (3) with dead lever (3) integrated into one piece's protruding axle shoulder portion (32), dead lever (3) outside sliding connection has adapter sleeve (33), adapter sleeve (33) threaded connection be in protruding axle shoulder portion (32) with the outside of tumor piece suction tube (5).

3. A rotary shaver for hysteromyoma according to claim 1, wherein: a first collar (15) is fixed at one end of the first pipeline (13) close to the second pipeline (14), a second collar (16) is fixed at one end of the second pipeline (14) close to the first pipeline (13), and a threaded ring sleeve (17) is connected to the outer portions of the first collar (15) and the second collar (16) in a threaded mode.

4. A rotary shaver for hysteromyoma according to claim 3, wherein: the first collar (15) and the second collar (16) are respectively provided with circular grooves (18) with semicircular sections on the surfaces close to each other, and O-shaped sealing rings (19) are jointly arranged in the circular grooves (18).

5. A rotary shaver for hysteromyoma according to claim 1, wherein: the machine body shell (1) comprises a main shell (101) and a baffle plate (102) which is fixedly arranged at the end part of the main shell (101) through a plurality of screws, wherein the baffle plate (102) is provided with densely distributed air holes (103).

6. A rotary shaver for hysteromyoma according to claim 1, wherein: the second pipeline (14) is fixed with a fixed ring (20) at the one end of keeping away from first pipeline (13), a plurality of screw hole (21) have been seted up on fixed ring (20).

7. A rotary shaver for hysteromyoma according to claim 6, wherein: annular heavy groove (22) have been seted up in solid fixed ring (20) the one side that deviates from second pipeline (14), it is fixed with annular sealing washer (23) that the cross-section is the rectangle to inlay in heavy groove (22).

8. A rotary shaver for hysteromyoma according to claim 1, wherein: a handle (24) is fixed on the machine body shell (1).