CN103690224A

CN103690224A - Spindle device of cutter for nasal surgery

Info

Publication number: CN103690224A
Application number: CN201310748950.8A
Authority: CN
Inventors: 沈济民; 申屠丙花
Original assignee: ZHEJIANG SHENDASIAO MEDICAL INSTRUMENT Co Ltd
Current assignee: ZHEJIANG SHENDASIAO MEDICAL INSTRUMENT Co Ltd
Priority date: 2013-12-31
Filing date: 2013-12-31
Publication date: 2014-04-02
Anticipated expiration: 2033-12-31
Also published as: CN103690224B

Abstract

The invention relates to a spindle device of a cutter for nasal surgery and belongs to the field of medical instruments. The spindle device comprises an arbor, bayonets, a motor, a hollow motor shaft, a movable cutting pipe, a fixed cutting pipe, a fixed holder, a flushing and sucking joint and a flushing and sucking fixing sleeve. The arbor and the bayonets are of integral structure, the hollow motor shaft is connected with the motor, the fixed cutting pipe is fixed to the fixed holder, the movable cutting pipe is inserted into the fixed holder, both the fixed cutting pipe and the movable cutting pipe are provided with serrated cutting edges, and the hollow motor shaft is connected with the serrated cutting edge of the movable cutting pipe. Besides, the flushing and sucking joint is connected with the motor hollow shaft, a sealer is arranged at one end of the hollow motor shaft, the flushing and sucking fixing sleeve is arranged at the other end of the hollow motor shaft, the sealer is in contact with the flushing and sucking fixing sleeve, and seal rings are sleeved on the fixed holder and the flushing and sucking fixing sleeve. The spindle device has the advantages of reasonable structure, operational simplicity and reliability, convenience in mounting and demounting, good sealing effect and low production cost and meets people's requirements in use.

Description

A kind of mandrel device of surgery of nasal cavity sickle

Technical field

The present invention relates to a kind of device, especially relate to a kind of mandrel device that is exclusively used in human nasal surgical cavity sickle, it belongs to medical instruments field.

Background technology

Nasal cavity is human respiratory tract's window, in recent years due to the pollution of atmosphere, the variation of weather, the entering of respiratory tract antibacterial, all can cause nose diseases, as allergic rhinitis, chronic rhinitis, chronic sinusitis etc., the number of suffering from present nose diseases is more and more, and age trend becomes younger, up-to-date clinical medicine both domestic and external confirms, the nasopharyngeal carcinoma in the whole world 80% occurs in China, is because of due to rhinitis obstinate worsens, nose diseases in surgery of nasal cavity, need excision, need special-purpose operation rotary-cut apparatus.

Nose diseases in surgery of nasal cavity, need excision, need special-purpose operation rotary-cut apparatus, existing surgery of nasal cavity only has by scalpel or shears excision, operation trouble, time is long, also have the rotary cut device of the interior soft tissue rotary-cut apparatus of human abdominal cavity and rotary-cut bony spur, but mandrel is an iron staff, the suction device of rotary cut device separately pipe laying and interior cutter is connected to form, its defect is that rotary passage must be installed, and trouble sealing effectiveness is installed poor, and production cost increases.

Open day is on 07 28th, 2010, in the Chinese patent that publication number is 201533858U, discloses the utility model patent that a kind of name is called " Multifunctional rotary scalpel for nasal cavity operation ".This patent comprises inner sleeve and trocar sheath, and inner sleeve is actively plugged in trocar sheath, has interior cutter head on one end of inner sleeve, and the other end of inner sleeve is provided with driving chuck.Although this patent structure is simple, easy to use, operation efficiency is high, by peeling knife, also lesions position can be excised, and the suction structure of relic needs another pipe laying to be connected with interior cutter, and production cost increases, therefore it still exists above-mentioned defect.

Open day is on 06 02nd, 2010, in the Chinese patent that publication number is 201492479U, discloses the utility model patent that a kind of name is called " nasal operating knife ".This patent is established and is comprised knife bar, knife bar seat and cambered blade, and knife bar front end is provided with cambered blade, and rear end is fixedly connected with knife bar seat, it is characterized in that knife bar rear sleeve has sleeve pipe, and sleeve pipe is fixedly connected with knife bar seat.Although this patent structure is simple, operation trouble, operating time is long, core motor axle and suction structure is not set, therefore it still exists above-mentioned defect.

Summary of the invention

Technical problem to be solved by this invention is to overcome the defect that prior art exists, and a kind of reasonable in design is provided, operation is simple and reliable, easy installation and removal, good sealing effect, production cost is low, and highly versatile meets the mandrel device of the surgery of nasal cavity sickle of people's user demand .

The present invention addresses the above problem adopted technical scheme: a kind of mandrel device of surgery of nasal cavity sickle, comprise hands handle, bayonet socket, motor and power interface, described handle and bayonet socket are all structure as a whole, described motor is fixed in bayonet socket, described power interface is fixed on handle, this power interface is connected with motor by wire, it is characterized in that: also comprise core motor axle, movable blade pipe, dead knife pipe, fixing tool rest, suction interface and suction fixed cover, described core motor axle is connected with motor, described dead knife pipe is fixed on fixedly on tool rest, described movable blade pipe is inserted in dead knife pipe, described dead knife pipe and movable blade Guan Shangjun have shaped cutouts, and the shaped cutouts of the shaped cutouts of this dead knife pipe and movable blade pipe is coincide mutually, described core motor axle is connected with the shaped cutouts of movable blade pipe, described suction interface is connected with motor-hollow axle, one end of described core motor axle is provided with sealer, the other end of this core motor axle is provided with suction fixed cover, described sealer contacts with suction fixed cover, on described fixedly tool rest and suction fixed cover, be equipped with sealing ring, the rotation of driven by motor core motor axle, make the rotation of movable blade pipe, the shaped cutouts rotation of movable blade pipe realizes slicing with dead knife pipe shaped cutouts, the shaped cutouts position straight of movable blade pipe is connected toward core motor axle and suction interface, focus relic under slicing and residual liquid are by outside the direct sucking-off human body of suction pump, directly lesions position is rinsed, sealer and sealing ring are guaranteed sealing property and the outside seal performance of inner tube, guarantee carrying out smoothly of operation, suction interface card enters the effect lower seal that handle and core motor axle are connected to sealer, operation is simple and reliable, technology is easy, can shorten the time of operating time, meet people's user demand.

As preferably, mandrel device of the present invention also comprises cutting ferrule and spring retaining sleeve, and described cutting ferrule and dead knife seated connection touch, and described spring retaining sleeve contacts with cutting ferrule; Cutting ferrule is inserted in fixedly tool rest, and two steel balls are snapped in two steel ball hole clippings just, and spring retaining sleeve is inserted in cutting ferrule, is fixed after making steel ball draw-in groove snap in steel ball.

As preferably, on fixedly tool rest of the present invention, be connected with cutter mount, in this cutter mount, be welded with deck No. one, on described spring retaining sleeve, have draw-in groove No. one, a described deck snaps in a draw-in groove; Rotary cutter seat makes a deck fixing in a draw-in groove, and reversion cutter mount is dismantled, and uses convenient.

As preferably, on core motor axle of the present invention, be welded with No. two deck, on described movable blade pipe, have No. two draw-in groove, described No. two decks snap in No. two draw-in grooves.

As preferably, in handle of the present invention, be provided with fixed cover, this fixed cover and cutting ferrule are fixed; Fixed cover is screwed into that handle is fixed and sealer location is fixing.

As preferably, mandrel device of the present invention also comprises spring, and this spring comprises the first spring, the second spring and the 3rd spring, and described the first spring is connected with movable blade pipe, and described the second spring is connected with cutting ferrule, and described the 3rd spring is connected with fixing tool rest; Spring makes movable blade pipe and dead knife pipe hit and have elasticity at rotary planing, reaches better slicing effect.

As preferably, on movable conduit of the present invention, be fixed with spring base, this spring base is connected with the first spring.

As preferably, the 3rd spring of the present invention is provided with steel ball, and this steel ball is positioned at the steel ball hole clipping of cutting ferrule; Under the effect of the 3rd spring, make steel ball there is elasticity.

As preferably, on motor of the present invention and suction fixed cover, be all fixed with bearing block, in described bearing block, be provided with bearing.

The present invention compared with prior art has the following advantages and effect: 1, reasonable in design, the rotation of driven by motor core motor axle makes the rotation of movable blade pipe, shaped cutouts rotation and the shaped cutouts of dead knife pipe of movable blade pipe realize slicing, the shaped cutouts of movable blade pipe is directly connected with suction interface with core motor axle, makes outside the focus relic and the quick sucking-off human body of residual liquid quilt under slicing; 2, spring makes the shaped cutouts of movable blade pipe and the mutual tensioner of shaped cutouts of dead knife pipe, at rotary planing, hits and makes it have elasticity, and slicing effect is better; 3,, in I & A, the structure of sealer and sealing ring, guarantees sealing property and the outside seal performance of inner tube, guarantees carrying out smoothly of operation; 4, operation is simple and reliable, and technology is grasped easy, can shorten operating time, and material selection metal and exotic material are made, and installation and removal are convenient, can carry out liquid disinfection, also can high-order sterilize.

Accompanying drawing explanation

Fig. 1 is overall structure schematic diagram of the present invention.

Fig. 2 is the cross section view of overall structure schematic diagram of the present invention.

Fig. 3 is the structural representation after amplify the part at C place in Fig. 2.

Fig. 4 is the structural representation after local amplification in Fig. 2.

Fig. 5 is the structural representation after amplify the part at D place in Fig. 4.

Fig. 6 is the structural representation after amplify the part at E place in Fig. 4.

Fig. 7 is another structural representation after local amplification in Fig. 2.

Fig. 8 is the local structure for amplifying schematic diagram of hollow core motor shaft of the present invention and movable blade pipe junction.

In figure: handle 1, motor 2, core motor axle 3, a bearing block 4, bearing 5, sealer 6, suction interface 7, power interface 8, suction fixed cover 9, No. two bearing blocks 10, screw 11, sealing ring 12, fixed cover 13, spring base 14, the first spring 15, fixedly tool rest 16, cutting ferrule 17, the second spring 18, spring retaining sleeve 19, a draw-in groove 20, cutter mount 21, a deck 22, steel ball 23, the 3rd spring 24, dead knife pipe 25, movable blade pipe 26, shaped cutouts 27, nut 28, No. two decks 29, No. two draw-in grooves 30, bayonet socket 31, steel ball draw-in groove 32, steel ball hole clipping 33, bearing block A, spring B.

The specific embodiment

Below in conjunction with accompanying drawing and by embodiment, the present invention is described in further detail, and following examples are explanation of the invention and the present invention is not limited to following examples.

Referring to Fig. 1-Fig. 8, the present embodiment mainly comprises handle 1, motor 2, core motor axle 3, bearing 5, sealer 6, suction interface 7, power interface 8, suction fixed cover 9, sealing ring 12, fixed cover 13, spring base 14, fixedly tool rest 16, cutting ferrule 17, spring retaining sleeve 19, cutter mount 21, dead knife pipe 25, movable blade pipe 26, bayonet socket 31, bearing block A and spring B.

Handle 1 in the present embodiment is connected with bayonet socket 31, No. two decks 29 are inserted in core motor axle 3 and are welded and fixed, core motor axle 3 is inserted in motor 2 to be installed, bearing block A comprises a bearing block 4 and No. two bearing blocks 10, bearing 5 and a bearing block 4 are inserted in the two ends of core motor axle 3, and bearing 5 and a bearing block 4 are fixed on motor 2 by screw 11.

In the present embodiment, sealer 6 is inserted in one end of core motor axle 3, sealer 6 is inserted in suction fixed cover 9, bearing 5 is inserted in suction fixed cover 9 after snapping in No. two bearing block 10 two ends, sealing ring 12 snaps in suction, and fixed cover 9 is rear with nut 28, tightens fixing, suction fixed cover 9 is inserted in core motor axle 3 other ends, install and snap in handle 1, motor 2, sealer 6 and No. two bearing blocks 10 snap in bayonet socket 31 makes its location fixing, screw 11 is screwed into handle 1, and No. two bearing blocks 10 are fixing, suction interface 7 snaps in handle 1 and is connected with core motor axle 3, effect lower seal at sealer 6, power interface 8 is fixed on handle 1 and with wire and is connected with motor 2, sealing ring 12 is inserted in fixed cover 13, it is fixing and sealer 6 location are fixing that fixed cover 13 is screwed into handle 1.

The present embodiment medi-spring B comprises that the first spring 15, the second spring 18 and the 3rd spring 24, the first springs 15 are connected with movable blade pipe 26, and the second spring 18 is connected with cutting ferrule 17, and the 3rd spring 24 is connected with fixing tool rest 16.

In the present embodiment, cutting ferrule 17 has steel ball hole clipping 33, spring retaining sleeve 19 has steel ball draw-in groove 32, two the 3rd springs 24 and steel ball 23 are filled in fixedly tool rest 16, cutting ferrule 17 is inserted in fixedly tool rest 16, two steel balls 23 snap in two steel ball hole clippings 33, under the effect of the 3rd spring 24, steel ball 23 has elasticity, and sealing ring 12 snaps in that fixedly tool rest 16 is rear tightens fixing with nut 28.

In the present embodiment, dead knife pipe 25 has shaped cutouts 27, dead knife pipe 25 is inserted in fixedly tool rest 16 and is welded and fixed, the two ends of movable blade pipe 26 have shaped cutouts 27 and No. two draw-in grooves 30, spring base 14 is inserted in movable blade pipe 26 and is welded and fixed, movable blade pipe 26 is inserted in fixedly tool rest 16 and penetrates 25 dead knife pipes 25, the shaped cutouts 27 of movable blade pipe 26 and the shaped cutouts of dead knife pipe 25 27 are coincide, core motor axle 3 is connected with shaped cutouts 27, and the first spring 15 is inserted in movable blade pipe 26 and is connected with spring base 14.

Cutting ferrule 17 in the present embodiment is inserted in fixedly tool rest 16, has steel ball draw-in groove 32 and a draw-in groove 20 on spring retaining sleeve 19, and spring retaining sleeve 19 is inserted in cutting ferrule 17, makes steel ball draw-in groove 32 snap in steel ball 23 rear fixing.

In the present embodiment, fixedly on tool rest 16, be connected with cutter mount 21, cutter mount 21 and a deck 22 are welded and fixed, cutter mount 21 is inserted in spring retaining sleeve 19, make a deck 22 snap in draw-in groove 20 No. one, rotary cutter seat 21, make deck 22 interior fixing at a draw-in groove 20, reversion can be shirked, and the second spring 18 is inserted in after cutting ferrule 17 in spring retaining sleeve 19.

On the present embodiment hollow core motor shaft 3, be welded with No. two deck 29, on movable blade pipe 26, have draw-in groove 30 No. two, fixed cover 13 is tightened fixing with cutting ferrule 17, No. two deck 29 snaps in draw-in groove 30 No. two, core motor axle 3 is connected with movable blade pipe 26, the first spring 15 is connected with nut 28 makes the first spring 15 tensioners, and the second spring 18 is connected and makes its tensioner with fixed cover 13.

During use, core motor axle 3 is connected with the shaped cutouts 27 of movable blade pipe 26, directly lead to shaped cutouts 27 positions of movable blade pipe 26 and dead knife pipe 25, motor 2 drives 3 rotations of core motor axle to make 26 rotations of movable blade pipe, shaped cutouts 27 rotations of movable blade pipe 26 realize slicing with the shaped cutouts 27 of dead knife pipe 25, the shaped cutouts 27 of movable blade pipe 26 is directly led to core motor axle 3 and suction interface 7, as long as suction pump is installed on suction interface 7, focus relic under slicing and residual liquid are by outside the direct sucking-off human body of suction pump, by flushing pump, can directly to lesions position, rinse, the first spring 15 makes the shaped cutouts 27 of movable blade pipe 26 and the mutual tensioner of shaped cutouts 27 of dead knife pipe 25, at rotary planing, hit and make it have elasticity, in operation application, shaped cutouts 27 is close to lesions position, the shaped cutouts 27 of the movable blade pipe 26 in rotation realizes cutting, reach better slicing effect, sealer 6 and sealing ring 12 are in the I & A of operation application, guarantee sealing property and the outside seal performance of inner tube, guarantee carrying out smoothly of operation.

The present invention is not only applied in surgery of nasal cavity sickle, can also be applied to other medical operating sicklies, as the rotary cut device of intraperitoneal soft tissue rotary cut device and rotary-cut bony spur, in human body Wicresoft laparoscopic surgery, install resectoscope, rotary connector dynamic rotation instrument connects, suction pump is connected with attracting interface, resectoscope enters in human body, otch is close to soft tissue focus position, start dynamic rotation instrument, moving knife pipe rotates and slides up and down the slicing of rolling, start suction pump, the soft tissue focus fragment cutting in rolling slicing and residual liquid are from attraction channel sucking-off, start qi of chong channel ascending adversely pump, carbon dioxide enters from valve seat, by clearance groove and qi of chong channel ascending adversely mouth, enter in human body, supplement fragment and residual liquid and inhale the pneumoperitoneum of drawn impact, flushing pump operative site rinses and attracts, the rotary cut device of having performed the operation is pulled out outside human body.

In addition, it should be noted that, the specific embodiment described in this description, the shape of its parts and components, institute's title of being named etc. can be different, and the above content described in this description is only to structure example of the present invention explanation.All equivalence variation or simple change of doing according to described structure, feature and the principle of patent design of the present invention, are included in the protection domain of patent of the present invention.Those skilled in the art can make various modifications or supplement or adopt similar mode to substitute described specific embodiment; only otherwise depart from structure of the present invention or surmount this scope as defined in the claims, all should belong to protection scope of the present invention.

Claims

1. the mandrel device of a surgery of nasal cavity sickle, comprise hands handle, bayonet socket, motor and power interface, described handle and bayonet socket are all structure as a whole, described motor is fixed in bayonet socket, described power interface is fixed on handle, this power interface is connected with motor by wire, it is characterized in that: also comprise core motor axle, movable blade pipe, dead knife pipe, fixing tool rest, suction interface and suction fixed cover, described core motor axle is connected with motor, described dead knife pipe is fixed on fixedly on tool rest, described movable blade pipe is inserted in dead knife pipe, described dead knife pipe and movable blade Guan Shangjun have shaped cutouts, and the shaped cutouts of the shaped cutouts of this dead knife pipe and movable blade pipe is coincide mutually, described core motor axle is connected with the shaped cutouts of movable blade pipe, described suction interface is connected with motor-hollow axle, one end of described core motor axle is provided with sealer, the other end of this core motor axle is provided with suction fixed cover, described sealer contacts with suction fixed cover, on described fixedly tool rest and suction fixed cover, be equipped with sealing ring.

2. the mandrel device of surgery of nasal cavity sickle according to claim 1, is characterized in that: described mandrel device also comprises cutting ferrule and spring retaining sleeve, and described cutting ferrule and dead knife seated connection touch, and described spring retaining sleeve contacts with cutting ferrule.

3. the mandrel device of surgery of nasal cavity sickle according to claim 1, it is characterized in that: on described fixedly tool rest, be connected with cutter mount, in this cutter mount, be welded with deck No. one, have draw-in groove on described spring retaining sleeve No. one, a described deck snaps in a draw-in groove.

4. the mandrel device of surgery of nasal cavity sickle according to claim 1, is characterized in that: on described core motor axle, be welded with No. two deck, have No. two draw-in groove on described movable blade pipe, described No. two decks snap in No. two draw-in grooves.

5. the mandrel device of surgery of nasal cavity sickle according to claim 1 and 2, is characterized in that: in described handle, be provided with fixed cover, this fixed cover and cutting ferrule are fixed.

6. the mandrel device of surgery of nasal cavity sickle according to claim 1 and 2, it is characterized in that: described mandrel device also comprises spring, this spring comprises the first spring, the second spring and the 3rd spring, described the first spring is connected with movable blade pipe, described the second spring is connected with cutting ferrule, and described the 3rd spring is connected with fixing tool rest.

7. the mandrel device of surgery of nasal cavity sickle according to claim 6, is characterized in that: on described movable conduit, be fixed with spring base, this spring base is connected with the first spring.

8. the mandrel device of surgery of nasal cavity sickle according to claim 6, is characterized in that: the 3rd described spring is provided with steel ball, and this steel ball is positioned at the steel ball hole clipping of cutting ferrule.

9. the mandrel device of surgery of nasal cavity sickle according to claim 1, is characterized in that: on described motor and suction fixed cover, be all fixed with bearing block, in described bearing block, be provided with bearing.