CN208910402U - Ultrasonic scalpel and ultrasonic scalpel system - Google Patents

Abstract

A kind of ultrasonic scalpel, including shell, knife bar component and tube unit across shell, the trigger component that is flexibly connected with tube unit, knife bar component includes core knife bar unit and handle unit, tube unit includes outer tube, inner sleeve, two interior sheath body, outer shell, rotary operating member and the fixed devices being oppositely arranged, axially stop block is equipped between interior sheath body and inner sleeve, fixed device is set between outer tube and rotary operating member, and pin shaft unit is located in the first strip groove of outer tube and the third strip groove of inner sleeve.Quickly knife bar component can be separated with tube unit and shell so, core knife bar unit is convenient to clean, Ke Xunhuanliyong knife bar component, reduces the wasting of resources, and knife bar component can be prevented to be detached from from shell, high reliablity.The utility model also provides a kind of ultrasonic scalpel system.

Description

Ultrasonic scalpel and ultrasonic scalpel system

Technical field

The utility model relates to medical instruments field, especially a kind of ultrasonic scalpel and ultrasonic scalpel system.

Background technique

Ultrasonic scalpel, which refers to, (to be transferred to piezoelectricity conversion for electric energy by power generator by piezoelectric transducer Device converts electrical energy into ultrasonic mechanical energy by piezoelectric transducer) obtain ultrasonic vibration be further amplified, and by the head of knife will Amplified ultrasonic vibration is used for cutting and the solidifying instrument closed to soft tissue.It is clinical with this instrument can lower temperature and compared with Lesion resection is realized in the case where few bleeding.

The knife bar component of existing ultrasonic scalpel has core knife bar, inner sleeve and outer tube and connect with core knife bar Handle, inner sleeve can axially move a certain distance between core knife bar and outer tube, thus open or close activity Collet realizes the clamping of target biological tissue so that active chuck is contacted or separated with the end of core knife bar, cuts convenient for subsequent It cuts.Along strip hole is axially arranged in the outer peripheral sidewall of inner sleeve, it is equipped with through-hole in the outer peripheral sidewall of core knife bar and outer tube, one Pin shaft radially connects core knife bar, inner sleeve and outer tube, and such inner sleeve can move in the axial direction with respect to core knife bar and outer tube It is dynamic.But this connection type has a defect, i.e., the end of inner sleeve and outer tube due to contact biological tissue, biological tissue It will enter in the gap of inner sleeve and housing pipe end, cleaning is very troublesome, will can only entirely surpass after the completion of general operation Sound wave scalpel abandons.Due to the higher cost of core knife bar, biggish waste is so caused.In addition, existing ultrasonic operation The handle and core knife bar of knife are easy to be detached from from the rear side of shell, and reliability is lower.

Utility model content

In view of this, the present invention provides a kind of separable knife bar component and tube unit and shell, it is convenient to clean Core knife bar unit, reduces the wasting of resources and knife bar component can be prevented to be detached from from shell, reliability Ke Xunhuanliyong knife bar component High ultrasonic scalpel and ultrasonic scalpel system, to solve the above problems.

A kind of ultrasonic scalpel, including shell, across knife bar component and tube unit and the tube unit activity of shell The trigger component of connection, the knife bar component include core knife bar unit and the handle unit that connect with core knife bar unit, casing list Member is set to the outside of core knife bar unit, is equipped with the first positioning ring in the shell, the inner sidewall of first positioning ring is equipped with Positioning jump ring, the handle unit are equipped with first connecting portion towards one end of core knife bar unit, and the handle unit is close to first The position of interconnecting piece is additionally provided with the first bulge loop with the clamping of the positioning jump ring of the first positioning ring, and the core knife bar unit is towards handle One end of unit is equipped with the second connecting portion connecting with first connecting portion, and the core knife bar unit is close to the position of second connecting portion It is radially additionally provided with pin shaft unit, described sleeve pipe unit includes outer tube, inner sleeve, two interior sheath body, the housings being oppositely arranged Shell, rotary operating member and fixed device, the outer tube are sheathed on the outside of inner sleeve, outer tube and inner sleeve towards handle list One end of member is respectively positioned in interior sheath body, and outer shell is connect with interior sheath body, and axial limiting is equipped between the interior sheath body and inner sleeve Device, the outer tube are axially arranged with the first strip groove, the inner sleeve court towards edge on the lateral wall of one end of handle unit Third strip groove is additionally provided on the lateral wall of one end of handle unit, the third strip groove is aligned company with the first strip groove Logical, the pin shaft unit is located in third strip groove and the first strip groove, and the outer tube passes through rotary operating member, the fixation Device is set between outer tube and rotary operating member, so that rotary operating member is fixed with respect to outer tube, the handle unit is remote One end of off-chip knife bar unit is equipped with cable.

Further, the axially stop block is the locating convex block being set on the inner sidewall of the interior sheath body, described Inner sleeve is located at the logical of inner sleeve towards through-hole, the locating convex block is radially offered on the lateral wall of one end of handle unit In hole.

Further, the interior sheath body includes sleeve and the threaded joints with sleeve connection, the inner sidewall of the sleeve Above axially disposed to have positioning convex strip, the lateral wall of the sleeve is equipped with position limiting convex ring, and the locating convex block is set to screw thread On the inner sidewall of interconnecting piece, the lateral wall of threaded joints is equipped with external screw thread, and the inner sidewall of outer shell is equipped with to be connected with screw thread The internal screw thread of the external screw thread cooperation of socket part.

Further, the end face at the position limiting convex ring both ends of the sleeve of one of them interior sheath body is equipped with connecting column, another Groove is correspondingly provided on the end face at the position limiting convex ring both ends of the sleeve of interior sheath body, connecting column is extend into the groove.

Further, described sleeve pipe unit further includes outer connector sleeve, the first waveform spring, interior connection that middle part has through-hole Set and the second waveform spring, the side of outer connector sleeve towards the interior sheath body, which axially extends, is provided with limit stabilizer blade, described interior The side of connector sleeve towards interior sheath body, which axially extends, is provided with clamping stabilizer blade, and the clamping stabilizer blade of the interior connector sleeve passes through outer company The through-hole of female connector is simultaneously clamped with the limit stabilizer blade of outer connector sleeve, the first waveform spring be located at outer connector sleeve and interior connector sleeve it Between, second waveform spring forms card between interior connector sleeve and outer shell between the position limiting convex ring and outer connector sleeve Position section.

Further, the trigger component is equipped with the first stabilizer blade and the second stabilizer blade close to one end of knife bar component, described outer The inner sidewall of shell is equipped with sliding groove, and driving member is equipped in sliding groove, and the first stabilizer blade of the trigger component passes through the second shaft It is rotatablely connected with shell, the second stabilizer blade is rotatablely connected by the first end of a connecting rod and driving member, the second end of the driving member Equipped with incomplete snap ring, the incomplete snap ring is located in detent section.

Further, the fixed device includes snap ring, is set on the lateral wall of position of the outer tube close to interior sheath body Circumferential recess, bulge loop, the step being set in rotary operating member, the convex block being set at step, the bulge loop be equipped with lack Mouthful, the outer tube passes through rotary operating member, and the bulge loop is abutted with step and the notch on bulge loop and convex block cooperate, the card Ring is connected in the circumferential recess.

Further, the core knife bar unit includes knife bar, the second connection positioned at knife bar towards one end of handle unit Cutter head, pin shaft unit and several soft packing rings being set in the middle part of knife bar in portion, one end positioned at knife bar far from handle unit, institute State the soft housing that pin shaft unit includes pin shaft core and is wrapped in outside pin shaft core.

Further, the inner sleeve is equipped with groove far from one end of interior sheath body, sets between the outer tube and inner sleeve There are active chuck and first rotating shaft, the first end of the active chuck is equipped with opening, the first of the opposite inner sidewall of opening Side has extended towards shaft column, is equipped with first shaft hole in second side of the opposite inner sidewall of opening, outer tube is equipped with second Axis hole, the first rotating shaft pass through first shaft hole and the second axis hole, and the shaft column of the active chuck is located at the groove of inner sleeve It is interior.

Further, one end of the rotary operating member towards snap ring is additionally provided with bulge loop, and the side of the bulge loop is additionally provided with Groove is additionally provided with positioning ring on the inner sidewall of corresponding position in the shell, and the positioning ring snaps onto the recessed of rotary operating member In slot.

A kind of ultrasonic scalpel system, including ultrasonic scalpel as described above and connected by cable and handle unit The host connect.

Compared with prior art, the ultrasonic scalpel of the utility model include shell, across shell knife bar component and Tube unit, the trigger component being flexibly connected with tube unit, the knife bar component include core knife bar unit and with core knife bar list The handle unit of member connection, tube unit are sheathed on the outside of core knife bar unit, and the first positioning ring is equipped in the shell, described The inner sidewall of first positioning ring is equipped with positioning jump ring, and the handle unit is equipped with the first connection towards one end of core knife bar unit Portion, the handle unit are additionally provided with first convex with the clamping of the positioning jump ring of the first positioning ring close to the position of first connecting portion Ring, the core knife bar unit are equipped with the second connecting portion connecting with first connecting portion, the core knife towards one end of handle unit Bar unit is radially additionally provided with pin shaft unit close to the position of second connecting portion, described sleeve pipe unit include outer tube, inner sleeve, Two interior sheath body, outer shell, rotary operating member and the fixed devices being oppositely arranged, the outer tube are sheathed on the outer of inner sleeve One end of portion, outer tube and inner sleeve towards handle unit is respectively positioned in interior sheath body, and outer shell is connect with interior sheath body, the inner sleeve It is equipped with axially stop block between shell and inner sleeve, the outer tube along axial direction towards setting on the lateral wall of one end of handle unit There is the first strip groove, the inner sleeve is towards being additionally provided with third strip groove, the third on the lateral wall of one end of handle unit Strip groove is aligned with the first strip groove and is connected to, and the pin shaft unit is located in third strip groove and the first strip groove, the housing Pipe is across rotary operating member, and the fixed device is set between outer tube and rotary operating member, so that rotary operating member is opposite Outer tube is fixed.So separable knife bar component and tube unit and shell are convenient to clean core knife bar unit, Ke Xunhuanliyong knife Bar assembly reduces the wasting of resources and knife bar component can be prevented to be detached from from shell, high reliablity.The utility model also provides one kind Ultrasonic scalpel system.

Detailed description of the invention

The embodiments of the present invention are described below in conjunction with attached drawing, in which:

Fig. 1 is the stereoscopic schematic diagram of ultrasonic scalpel system provided by the utility model.

Fig. 2 is the fractionation schematic diagram of the knife bar component and tube unit in Fig. 1.

Fig. 3 is the connection schematic diagram of handle unit and core knife bar unit in Fig. 2.

Fig. 4 is the stereoscopic schematic diagram of the pin shaft unit in Fig. 3.

Fig. 5 is the decomposition diagram of the tube unit in Fig. 2.

Fig. 6 is the enlarged diagram of the end of core knife bar unit and tube unit.

Fig. 7 is the stereoscopic schematic diagram of the active chuck in Fig. 6.

Fig. 8 is the schematic internal view of ultrasonic scalpel provided by the utility model.

Fig. 9 is the assembling schematic diagram of core knife bar unit and tube unit.

Figure 10 is the stereoscopic schematic diagram of the interior sheath body in Fig. 9.

Figure 11 is the connection schematic diagram of interior sheath body and outer tube.

Figure 12 is the stereoscopic schematic diagram of outer tube, rotary operating member and snap ring.

Figure 13 is the stereoscopic schematic diagram of rotary operating member.

Specific embodiment

Specific embodiment of the utility model is further elaborated below based on attached drawing.It should be understood that The explanation of the utility model embodiment is not used to herein to limit the protection scope of the utility model.

Referring to FIG. 1, ultrasonic scalpel system provided by the utility model includes ultrasonic scalpel and passes through cable The host 70 being connect with ultrasonic scalpel.

Ultrasonic scalpel provided by the utility model includes shell 10, knife bar component 20 and casing list across shell 10 Member 23, trigger component 30, the excitation button 40 on shell 10 being flexibly connected with tube unit 23, excitation button 40 are used for Start ultrasonic activation and coagulation function.

Referring to FIG. 2, knife bar component 20 include core knife bar unit 21 and the handle unit that is connect with core knife bar unit 21 (i.e. Ultrasonic energy converter) 22, tube unit 23 is sheathed on the outside of core knife bar unit 21, and handle unit 22 is far from core knife bar unit 21 one end is connect by cable with host 70.

Referring to FIG. 3, handle unit 22 is equipped with first connecting portion 221, the first connection towards one end of core knife bar unit 21 Portion 221 is circumferentially with external screw thread, and circumference of the handle unit 22 close to the position of first connecting portion 221 is additionally provided with the first bulge loop 222；Core knife bar unit 21 have knife bar 211, knife bar 211 towards one end of handle unit 22 be equipped with second connecting portion 212, second Internal screw thread is equipped in interconnecting piece 212, knife bar 211 is radially additionally provided with pin shaft unit 214 close to the position of second connecting portion 212. The middle part of knife bar 211 is additionally provided with several soft packing rings 215.The first connecting portion 221 of handle unit 22 and core knife bar unit 21 Second connecting portion 212 is threadedly coupled.

The first positioning ring 60 is additionally provided in shell 10, the inner sidewall of the first positioning ring 60 is equipped with several positioning jump rings 61, When handle unit 22 is inserted into shell 10 together with core knife bar unit 21, the first bulge loop 222 of handle unit 22 overcomes first After the elastic resistance of the positioning jump ring 61 of positioning ring 60, the first bulge loop 222 is located at the first positioning ring 60 close to core knife bar unit 21 Side so that handle unit 22 will not be deviate from from shell 10.

Further, referring to FIG. 4, pin shaft unit 214 includes pin shaft core 2141 and is wrapped in outside pin shaft core 2141 Soft housing 2142, soft housing 2142 and soft packing ring 215 are rubber or silica gel material, and core knife bar unit 21 passes through casing Unit 23, soft housing 2142 and soft packing ring 215 can avoid core knife bar unit 21 directly with 23 rigid contact of tube unit, work Since core knife bar unit 21 can generate high-frequency vibration when making, the effect of vibration of core knife bar unit 21 is so avoided in tube unit Biggish noise is issued on 23.

Referring to FIG. 5, tube unit 23 include outer tube 231,232, two interior sheath bodies 233 being oppositely arranged of inner sleeve, Outer connector sleeve 234, first waveform spring 235, interior connector sleeve 236, the second waveform spring 237, outer shell 238, rotary operating member 241 and snap ring 242.Outer connector sleeve 234, first waveform spring 235, interior connector sleeve 236, the second waveform spring 237, outer shell 238 and the middle part of rotary operating member 110 be equipped with through-hole, passed through for the knife bar 211 of core knife bar unit 21.

Outer tube 231 is sheathed on the outside of inner sleeve 232, and one end of outer tube 231 and inner sleeve 232 is respectively positioned on interior sheath body In 233.The outside of interior sheath body 233 is equipped with external screw thread, and the inner sidewall of outer shell 238 is equipped with internal screw thread, outer shell 238 and inner sleeve Shell 233 is threadedly coupled.Outer connector sleeve 234, first waveform spring 235, interior connector sleeve 236 and the second waveform spring 237 are respectively positioned on Between outer shell 238 and interior sheath body 233.

The side of outer connector sleeve 234 towards interior sheath body 233, which axially extends, is provided with limit stabilizer blade 2341, interior connector sleeve 236 axially extended towards the side of interior sheath body 233 be provided with clamping stabilizer blade 2361, the clamping stabilizer blade 2361 of interior connector sleeve 236 Across outer connector sleeve 234 through-hole and with the limit stabilizer blade 2341 of outer connector sleeve 234 be clamped.First waveform spring 235 is located at outer Between connector sleeve 234 and interior connector sleeve 236, the second waveform spring 237 is between interior connector sleeve 236 and outer shell 238.

Outer tube 231 passes through the through-hole of rotary operating member 110 and is clamped with snap ring 239.

Fig. 6 and Fig. 7 is please referred to, knife bar 211 is equipped with cutter head 213 far from one end of second connecting portion 212, and inner sleeve 232 is remote One end from interior sheath body 233 is equipped with groove 2321, and active chuck 250 and first turn are equipped between outer tube 231 and inner sleeve 232 Axis 260.The first end of active chuck 250 is equipped with opening 251, and first side of opposite inner sidewall extends towards at opening 251 There is shaft column 252, second side of opposite inner sidewall is equipped with first shaft hole 253 at opening 251, and outer tube 231 is equipped with the Two axis holes, first rotating shaft 260 passes through the first shaft hole 253 of active chuck 250 and the second axis hole of outer tube 231, to will live Dynamic collet 250 is rotationally connected on outer tube 231, and the shaft column 252 of active chuck 250 is located at the groove 2321 of inner sleeve 232 It is interior.When inner sleeve 232 is axially moveable, active chuck 250 may make to rotate around first rotating shaft 260, so that activity folder First 250 second end is close to or far from cutter head 213.

Referring to FIG. 8, trigger component 30 is equipped with the first stabilizer blade 31 and the second stabilizer blade 32 close to one end of knife bar component 20, Driving member 33 is additionally provided in shell 10, driving member 33 is located in the sliding groove inside shell 10, the first stabilizer blade of trigger component 30 31 are rotatablely connected by the second shaft 34 with shell 10, and the second stabilizer blade 33 of trigger component 30 passes through a connecting rod and driving member 33 First end rotation connection, the second end of driving member 33 are equipped with incomplete snap ring 35, and incomplete snap ring 35 is clamped with tube unit 23, Specifically, incomplete snap ring 35 is between interior sheath body 233 and outer connector sleeve 234, when pressing trigger component 30, trigger component 30 rotate around the second shaft 34, so that driving member 33 is mobile towards handle unit 22 in sliding groove, so that inner sleeve 232 It is mobile axially towards handle unit 22, so that active chuck 250 rotates around first rotating shaft 260 and makes active chuck 250 second end is close to cutter head 213.

Fig. 9 to Figure 11 is please referred to, the section of two interior sheath bodies 233 being oppositely arranged is semi-circular, and interior sheath body 233 includes Sleeve 2331 and the threaded joints 2332 being connect with sleeve 2331, along being axially arranged with positioning convex strip on the inner sidewall of sleeve 2331 2333, the lateral wall of sleeve 2331 is equipped with position limiting convex ring 2335, the position limiting convex ring of the sleeve 2331 of one of them interior sheath body 233 The end face at 2335 both ends is equipped with connecting column 2336,2335 both ends of position limiting convex ring of the sleeve 2331 of another interior sheath body 233 Groove is correspondingly provided on end face, when two interior sheath bodies 233 splice, the connecting column 2336 of an interior sheath body 233 extend into another In the groove of a interior sheath body 233, the inner sidewall of shell 10 limits two interior sheath bodies 233 from circumferential direction.In present embodiment, Sleeve 2331 is sheathed on one end of threaded joints 2332.

The inner sidewall of threaded joints 2332 is equipped with locating convex block 2334, and the lateral wall of threaded joints 2332 is equipped with External screw thread.Locating convex block 2334 is used to connect up interior sheath body 233 and inner sleeve 232 in axial direction and week, and interior sheath body 233 is along axial direction Inner sleeve 232 can be driven to be axially moveable when mobile, inner sleeve 232 can also drive interior sheath body 233 to rotate when rotating, positioning convex strip 2333 further connect interior sheath body 233 and inner sleeve 232 in the circumferential.Locating convex block 2334 and positioning convex strip 2333 are only as excellent Embodiment is selected, does not limit the protection scope of the utility model herein,

Inner sleeve 232, which is located on the lateral wall of one end of interior sheath body 233, radially offers through-hole 2323, locating convex block 2334 are located in through-hole 2323, and detent section is formed between position limiting convex ring 2335 and outer connector sleeve 234, and incomplete snap ring 35 is located at In the detent section, when such driving member 33 slides, will drive in sheath body 233 and inner sleeve 232 be axially moveable.Other realities It applies in mode, an axially stop block can also be only set between interior sheath body 233 and inner sleeve 232, so that interior sheath body 233 Inner sleeve 232 can be driven to be axially moveable when being axially moveable.

Along being axially arranged with the first strip groove 2311 and the on the lateral wall of the one end of outer tube 231 far from cutter head unit 270 The quantity of two strip grooves 2312, the first strip groove 2311 and the second strip groove 2312 is two, two the first strip grooves 2311 It is oppositely arranged, two the second strip grooves 2312 are oppositely arranged, and the first strip groove 2311 and the opposite housing of the second strip groove 2312 The angle formed between the axle center of pipe 231 is 90 degree.Positioning convex strip 2333 is located in the second strip groove 2312, to realize housing Pipe 231 is detachably connected with interior sheath body 233.Length of the length of first strip groove 2311 less than the second strip groove 2312.

Inner sleeve 232, which is located on the lateral wall of one end of interior sheath body 233, is additionally provided with third strip groove 2322, and third bar shaped Slot 2322 is aligned with the first strip groove 2311 of outer tube 231 and is connected to, the length of pin shaft unit 214 and the outer diameter of outer tube 231 It is suitable or equal, when knife bar 211 passes through outer tube 231 and inner sleeve 232, pin shaft unit 214 can along third strip groove 2322 and First strip groove 2311 is mobile, after pin shaft unit 214 is moved in the first strip groove 2311, realizes outer tube 231, inner sleeve 232 and linkage of 211 three of knife bar in rotation direction, outer tube 231 can drive inner sleeve 232 and knife bar 211 1 when rotating With rotation, to adjust the angle of cutter head 213 and active chuck 250.It, will not be with knife when inner sleeve 232 is axially moveable simultaneously The pillar 223 of bar 221 interferes.

Figure 12 and Figure 13 is please referred to, lateral wall of the outer tube 231 close to the position of interior sheath body 233 is equipped with circumferential recess 2313 and bulge loop 2314, bulge loop 2314 is equipped with notch 2315, step 2413 is equipped in the through-hole of rotary operating member 241, in platform Inner sidewall at rank 2413 is equipped with convex block 2414, after outer tube 231 passes through the through-hole of rotary operating member 241, bulge loop 2314 with Step 2413 abuts, and the notch 2315 on convex block 2414 and bulge loop 2314 cooperates, and realizes rotary operating member 241 and outer tube 231 is relatively fixed in the circumferential direction, i.e., outer tube 231 can be driven to rotate when rotary operating member 241 rotates, due to pin shaft unit 214 presence, inner sleeve 232 and knife bar 211 will rotate together.Snap ring 242 is located in circumferential recess 2313 after deformation occurs, card Ring 242 respectively positions rotary operating member 241 from both ends with bulge loop 2314, so that rotary operating member 241 is fixed on On outer tube 231.

One end of rotary operating member 110 towards snap ring 242 is additionally provided with bulge loop 2411, and the side of bulge loop 2411 is additionally provided with groove 2412, the inner sidewall of the corresponding position of shell 10 is equipped with positioning ring, and positioning ring snaps onto the groove 2412 of rotary operating member 241 In, so realize the limit of 241 opposite shell 10 of rotary operating member.

In other embodiments, as long as having fixed device between outer tube 231 and rotary operating member 241, make It is fixed with respect to outer tube 231 to obtain rotary operating member 241, the two is axial and circumferential relatively fixed.

Compared with prior art, the ultrasonic scalpel of the utility model include shell, across shell knife bar component and Tube unit, the trigger component being flexibly connected with tube unit, the knife bar component include core knife bar unit and with core knife bar list The handle unit of member connection, tube unit are sheathed on the outside of core knife bar unit, and the first positioning ring is equipped in the shell, described The inner sidewall of first positioning ring is equipped with several locating pieces, and the handle unit is equipped with first towards one end of core knife bar unit and connects Socket part, the handle unit are additionally provided with first with the clamping of several locating pieces of the first positioning ring close to the position of first connecting portion Bulge loop, the core knife bar unit are equipped with the second connecting portion connecting with first connecting portion, the core towards one end of handle unit Knife bar unit is radially additionally provided with pin shaft unit close to the position of second connecting portion, and described sleeve pipe unit includes outer tube, inner sleeve Pipe, two interior sheath body, outer shell, rotary operating member and fixed device, the outer tubes being oppositely arranged are sheathed on inner sleeve One end of outside, outer tube and inner sleeve towards handle unit is respectively positioned in interior sheath body, and outer shell is connect with interior sheath body, described interior Be equipped with axially stop block between sheath body and inner sleeve, the outer tube towards on the lateral wall of one end of handle unit along axial direction Equipped with the first strip groove, the inner sleeve is towards being additionally provided with third strip groove on the lateral wall of one end of handle unit, and described Three strip grooves are aligned with the first strip groove and are connected to, and the pin shaft unit is located in third strip groove and the first strip groove, the pin The length of axle unit and the outer diameter of outer tube are equal, and the outer tube passes through rotary operating member, and the fixed device is set to outer Between casing and rotary operating member, so that rotary operating member is fixed with respect to outer tube.So separable knife bar component and casing list Member and shell, be convenient to clean core knife bar unit, knife bar component can be recycled, reduce the wasting of resources and can prevent knife bar component from It is detached from shell, high reliablity.

The above is only the preferred embodiments of the utility model, are not used to the limitation protection scope of the utility model, any Modification, equivalent replacement or improvement within the spirit of the present invention etc. are all covered in the scope of the claims of the utility model.

Claims (10)

1. a kind of ultrasonic scalpel, it is characterised in that: including shell, across the knife bar component and tube unit and set of shell The trigger component that pipe unit is flexibly connected, the knife bar component include core knife bar unit and the handle list that connect with core knife bar unit Member, tube unit are set to the outside of core knife bar unit, are equipped with the first positioning ring, the inside of first positioning ring in the shell Wall is equipped with positioning jump ring, and the handle unit is equipped with first connecting portion, the handle unit towards one end of core knife bar unit The first bulge loop with the clamping of the positioning jump ring of the first positioning ring, the core knife bar unit are additionally provided with close to the position of first connecting portion The second connecting portion connecting with first connecting portion is equipped with towards one end of handle unit, the core knife bar unit is close to the second connection The position in portion is radially additionally provided with pin shaft unit, and described sleeve pipe unit includes outer tube, inner sleeve, two inner sleeves being oppositely arranged Shell, outer shell, rotary operating member and fixed device, the outer tube are sheathed on the outside of inner sleeve, outer tube and inner sleeve court It is respectively positioned in interior sheath body to one end of handle unit, outer shell is connect with interior sheath body, is equipped between the interior sheath body and inner sleeve Axially stop block, the outer tube is axially arranged with the first strip groove towards edge on the lateral wall of one end of handle unit, described Inner sleeve is towards being additionally provided with third strip groove, the third strip groove and the first strip groove on the lateral wall of one end of handle unit Alignment connection, the pin shaft unit are located in third strip groove and the first strip groove, and the outer tube passes through rotary operating member, institute Fixed device is stated to be set between outer tube and rotary operating member, so that rotary operating member is fixed with respect to outer tube, the handle Unit is equipped with cable far from one end of core knife bar unit.

2. ultrasonic scalpel as described in claim 1, it is characterised in that: the axially stop block is to be set in described Locating convex block on the inner sidewall of sheath body, the inner sleeve are logical towards radially offering on the lateral wall of one end of handle unit Hole, the locating convex block are located in the through-hole of inner sleeve.

3. ultrasonic scalpel as claimed in claim 2, it is characterised in that: the interior sheath body includes sleeve and and sleeve connection Threaded joints, axially disposed on the inner sidewall of the sleeve to have positioning convex strip, the lateral wall of the sleeve is equipped with limit Position bulge loop, the locating convex block are set on the inner sidewall of threaded joints, and the lateral wall of threaded joints is equipped with external screw thread, The inner sidewall of outer shell is equipped with the internal screw thread cooperated with the external screw thread of threaded joints.

4. ultrasonic scalpel as claimed in claim 3, it is characterised in that: described sleeve pipe unit further includes that middle part has through-hole Outer connector sleeve, first waveform spring, interior connector sleeve and the second waveform spring, a lateral edge of the outer connector sleeve towards interior sheath body Axially extending to be provided with limit stabilizer blade, the side of interior connector sleeve towards the interior sheath body, which axially extends, is provided with clamping stabilizer blade, The clamping stabilizer blade of the interior connector sleeve passes through the through-hole of outer connector sleeve and is clamped with the limit stabilizer blade of outer connector sleeve, the first wave Shape spring is between outer connector sleeve and interior connector sleeve, and second waveform spring is between interior connector sleeve and outer shell, institute State formation detent section between position limiting convex ring and outer connector sleeve.

5. ultrasonic scalpel as claimed in claim 4, it is characterised in that: the trigger component is close to one end of knife bar component Equipped with the first stabilizer blade and the second stabilizer blade, the inner sidewall of the shell is equipped with sliding groove, and driving member is equipped in sliding groove, described to pull First stabilizer blade of thermomechanical components is rotatablely connected by the second shaft and shell, and the second stabilizer blade passes through the first end of a connecting rod and driving member The second end of rotation connection, the driving member is equipped with incomplete snap ring, and the incomplete snap ring is located in detent section.

6. ultrasonic scalpel as described in claim 1, it is characterised in that: outside the fixed device includes snap ring, is set to Circumferential recess of the casing on the lateral wall of the position of interior sheath body, the step being set in rotary operating member, is set to bulge loop Convex block at step, the bulge loop be equipped with notch, the outer tube pass through rotary operating member, the bulge loop abutted with step and Notch and convex block on bulge loop cooperate, and the snap ring is connected in the circumferential recess.

7. ultrasonic scalpel as described in claim 1, it is characterised in that: the core knife bar unit includes knife bar, is located at knife The cutter head of the one end of bar towards the second connecting portion of one end of handle unit, positioned at knife bar far from handle unit, pin shaft unit and Several soft packing rings being set in the middle part of knife bar, the pin shaft unit include pin shaft core and are wrapped in soft outer outside pin shaft core Set.

8. ultrasonic scalpel as claimed in claim 7, it is characterised in that: the inner sleeve is equipped with far from one end of interior sheath body Groove is equipped with active chuck and first rotating shaft between the outer tube and inner sleeve, the first end of the active chuck, which is equipped with, to be opened Mouthful, shaft column is extended towards in the first side of the opposite inner sidewall of opening, in second side of the opposite inner sidewall of opening Equipped with first shaft hole, outer tube is equipped with the second axis hole, and the first rotating shaft passes through first shaft hole and the second axis hole, the activity The shaft column of collet is located in the groove of inner sleeve.

9. ultrasonic scalpel as described in claim 1, it is characterised in that: the rotary operating member towards one end of snap ring also Equipped with bulge loop, the side of the bulge loop is additionally provided with groove, is additionally provided with positioning ring on the inner sidewall of corresponding position in the shell, institute Positioning ring is stated to snap onto the groove of rotary operating member.

10. a kind of ultrasonic scalpel system, it is characterised in that: including the described in any item ultrasonic wave hands of such as claim 1-9 Art knife and the host being connect by cable with handle unit.