CN203776996U - Ultrasonic surgical knife carrier with replaceable tool bit - Google Patents
Ultrasonic surgical knife carrier with replaceable tool bit Download PDFInfo
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- CN203776996U CN203776996U CN201420031920.5U CN201420031920U CN203776996U CN 203776996 U CN203776996 U CN 203776996U CN 201420031920 U CN201420031920 U CN 201420031920U CN 203776996 U CN203776996 U CN 203776996U
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- cutter head
- knife bar
- outer tube
- hole
- inner tube
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Abstract
The utility model discloses an ultrasonic surgical knife carrier with a replaceable tool bit. The ultrasonic surgical knife carrier comprises a knife carrier assembly and a tool bit assembly, wherein under the state that the tool bit is installed, the tail end of a knife carrier inner tube (6-2) is connected with a buckle on the front end of a tool bit inner tube (5-2), a knife carrier outer tube (5-1) is arranged between an outer tube positioning sleeve (6-4) and the knife carrier inner tube (6-2), and a ball (6-10) is arranged in a second ball positioning through hole (6-4A-3) and clamped into a first ball positioning through hole (5-1A). When the tool bit is disassembled, a spring slide sleeve (6-10) compresses a spring (6-8) and moves, so that the ball (6-10) is arranged in a fourth step hole (6-9C), and the ball (6-10) can be loosened. The ultrasonic surgical knife carrier has the advantages of reliability in installation, easiness in installation and easiness in washing and sterilization, the knife carrier with the tool bit being disassembled can be reused, so that the cost of consumables of the surgical operation can be greatly reduced, the load on patients can be alleviated, and the risk of reusing the ultrasonic knife carrier can be reduced.
Description
Technical field
This utility model relates to minimally invasive medical technique with the apparatus field, relates in particular to a kind of ultrasonic surgical blade knife bar with interchangeable cutter head.
Background technology
Ultrasonic surgical blade adopts ultrasonic energy to process soft tissue, and cutting, blood coagulation complete simultaneously, and can guarantee minimum tissue side hot injury.Along with popularizing of micro-wound surgical operation, ultrasonic surgical blade has become a kind of routine operation apparatus.Taking market share, the highest certain serial ultrasonic surgical blade illustrates its basic functional principle as example, and as shown in Figure 1A and Figure 1B, ultrasonic surgical blade is mainly made up of 3 parts: ultrasonic transducer handle 01, hereinafter to be referred as transducer 01; Rifle formula lever 02, hereinafter to be referred as lever 02; Knife bar assembly 03, hereinafter to be referred as knife bar 03.It is the ultrasound resonance energy of 55.5 kilo hertzs that the electric energy that transducer 01 is carried main frame is converted to frequency, and transducer 01 inserts lever 02 tail end, plugs into the knife bar body 03-1 in knife bar 03.Transducer 01 is delivered to ultrasonic vibrational energy by knife bar body 03-1 the cutter head position (shown in Figure 1B) of its front end, cutter head position with the frequency of 55.5 kilo hertzs, the amplitude of 40 microns along knife bar axial vibration, thereby provide energy for operations such as cutting, blood coagulations.
Lever 02, except possessing the lever shape 02-1 that meets human engineering, also provides the operating knob that cutter head is carried out to various operations: pincers jaw opens and closes button 02-2 and controls opening and closure of pincers jaw 03-4 by push-and-pull inner tube 03-2; Cutter head knob 02-3 carries out 360 ° of rotation operations by outer tube 03-3 to cutter head; Burst key 02-4 controls transmitting and the energy power of ultrasonic energy.Knife bar 03 is mainly made up of knife bar body 03-1, inner tube 03-2, outer tube 03-3, pincers jaw 03-4 and mouthpiece 03-5.The ultrasound resonance that knife bar body 03-1 launches transducer 01 can be delivered to cutter head, make cutter head with the amplitude of the frequency of 55.5 kilo hertzs, 60-100 micron along knife bar axial resonance; Thereby inner tube 03-2 is clamped the folding of jaw switching button 02-2 push-and-pull handling tongs jaw 03-4; Outer tube 03-3 is the support of cutter head resonance, is also the support of pincers jaw 03-4 folding.Cutter head possesses multiple operating function, can be used for that large area blood coagulation, precise anatomical, point are solidified, precise anatomical, grasps the operation such as tissue, vessel sealing.
Although above-mentioned ultrasound knife possesses multiple premium properties, also bring birth defect.As shown in Fig. 2 A, 2B, the lever housing of this ultrasound knife is that rivet welding connects, and is non-dismountable structure, once take apart, irrecoverable.Blade structure, the inner tube 03-2 of knife bar 03 and outer tube 03-3 are that operative site is open at cutter head position.In the time that knife bar 03-1 is static, the liquid state tissue of operative site can be under capillarity, from end-blown to blade inside, to the gap infiltration between inner tube 03-2 and outer tube 03-3, between inner tube 03-2 and knife bar 03-1; In the time that knife bar vibrates, the silica gel support ring 03-6 on knife bar 03-1 just become one with the piston of knife bar once per revolution vibration, in the powerful liquid state tissue gap sucking between knife bar body and inner tube.After discarded ultrasound knife is disassembled, on whole knife bar body, outer wall of inner tube is near cutter head one side, all observes and observes the fat-like incrustation of solidifying state, particularly, on whole knife bar body 03-1, the phenomenon that forms a scab is even more serious.Complete after even possible some operations, the structure of ultrasound knife and performance are still intact, but cannot blade inside be cleaned thoroughly and be sterilized.So, above-mentioned ultrasound knife can only use as disposable operation instrument according to specification, after having performed the operation, should abandon, but its price is high, also the medical ethics risk that lies dormant huge: in order to try to gain economic interests, after privately used ultrasound knife being carried out cleaning thoroughly and sterilizing, then be used in it next patient, the risk increase of cross infection is inevitable.Therefore, need a kind of novel ultrasonic surgical blade knife bar.
Utility model content
In view of this, a technical problem to be solved in the utility model is to provide a kind of ultrasonic surgical blade knife bar with interchangeable cutter head, has dismountable cutter head assembly.
A ultrasonic surgical blade knife bar with interchangeable cutter head, comprises knife bar assembly and cutter head assembly, and described cutter head assembly comprises: cutter head outer tube and cutter head inner tube; In the front end side wall of described cutter head outer tube, the first ball positioning through hole is set; Described knife bar assembly comprises: knife bar inner tube, outer tube positioning sleeve, spring, cushion cover, spring sliding sleeve, ball and knife bar body; The second ball positioning through hole is set on the sidewall of described outer tube positioning sleeve; Described spring sliding sleeve arranges 4 grades of step through-holes vertically, and wherein, the diameter in second step hole is less than the diameter in first step hole and the diameter of the 3rd stepped hole, and the diameter of the 3rd stepped hole is less than the diameter of the 4th stepped hole; Installing under the state of cutter head assembly, described knife bar inner tube, described outer tube positioning sleeve, described spring sliding sleeve are radially successively set on the periphery of described knife bar body; Described outer tube positioning sleeve passes described second step hole, and coordinates with described second step interporal lacuna; Described spring is arranged on the periphery of described outer tube positioning sleeve, and is encapsulated in described first step hole by described cushion cover; Described cutter head inner tube is arranged on the periphery of described knife bar body, and the end of described knife bar inner tube is connected with the front end buckle of described cutter head inner tube; Described knife bar outer tube is between described outer tube positioning sleeve and knife bar inner tube, and described ball is positioned at the 3rd stepped hole hole, and snaps in the first ball positioning through hole and the second ball positioning through hole; Wherein, under the state of dismounting cutter head assembly, described spring sliding sleeve moved forward and compresses described spring, making described ball be arranged in the 4th stepped hole, described ball can get loose in the first ball positioning through hole and the second ball positioning through hole.
According to an embodiment of the present utility model, further, described cutter head assembly also comprises: be arranged on the sealing ring between described outer tube and inner tube.
According to an embodiment of the present utility model, further, the quantity of described sealing ring is 2; The sealing ring locating slot that is used for fixing described sealing ring is set respectively at the two ends of described cutter head inner tube.
According to an embodiment of the present utility model, further, at the front end of described cutter head outer tube, para-position projection tongue is set; Axial chute is set in the inner wall at end of described outer tube positioning sleeve, and in the end of described chute, slotted hole is set; Described para-position projection tongue is corresponding one by one with described chute; Installing under the state of cutter head assembly, described para-position projection tongue inserts described chute and enters in described slotted hole, and described para-position projection tongue can circumferentially rotate in described slotted hole.
According to an embodiment of the present utility model, further, 2 risers of circumferential symmetry are set at the sidewall of the end of described cutter head outer tube, and described riser is symmetrical structure; At the front end etching first para-position arrow of described cutter head outer tube; Described para-position projection tongue is symmetrical structure, para-position projection tongue described in described the first para-position arrow points; Be 12 degree through the axial plane of 2 installing plate line of symmetries with the angle of the axial plane through described para-position projection tongue line of symmetry.
According to an embodiment of the present utility model, further, the quantity of described ball is 4; Front end side wall edge at described cutter head outer tube is circumferentially symmetrical arranged 4 the first ball positioning through hole; On the sidewall of described outer tube positioning sleeve, edge is circumferentially symmetrical arranged 4 the second ball positioning through hole.
According to an embodiment of the present utility model, further, described cutter head assembly also comprises: clamp; The end of described clamp and described cutter head inner tube is hinged.
According to an embodiment of the present utility model, further, the front end of described cutter head inner tube arranges 2 the first symmetrical snap fits, and the end of described knife bar inner tube arranges 2 the second symmetrical snap fits.
According to an embodiment of the present utility model, further, described knife bar assembly also comprises: inner sleeve; Etching guiding arrow on the outer surface of described inner sleeve; Described inner sleeve is enclosed within the end of described knife bar inner tube, and with 2 symmetrical the second snap fit welding.
According to an embodiment of the present utility model, further, described cutter head assembly also comprises: anti-pollution protective sleeve; The material of described anti-pollution protective sleeve is silica gel.
The ultrasonic surgical blade knife bar with interchangeable cutter head of the present utility model, have advantages of reliable, easy to assemble, easy cleaning sterilization is installed, carry out afterwards routine disinfection, sterilizing as long as dismantled the knife bar of cutter head in operation, just can reuse, the consumables cost of operation is significantly reduced, alleviate patient's burden, also having reduced ultrasonic knife bar may be by the risk of Reusability.
Brief description of the drawings
In order to be illustrated more clearly in this utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Figure 1A is the schematic appearance of ultrasonic surgical blade in prior art; Figure 1B is the cutter head structure schematic diagram of ultrasonic surgical blade in prior art;
Fig. 2 A is the blade internal contamination path schematic diagram of ultrasonic surgical blade in prior art, and Fig. 2 B is the pollution condition schematic diagram of the blade inside of postoperative scalpel in prior art;
Fig. 3 A is according to the released state schematic diagram of cutter head knife bar and ultrasound knife lever in an embodiment of the ultrasonic surgical blade knife bar with interchangeable cutter head of the present utility model, and Fig. 3 B is according to the connection status schematic diagram of interchangeable cutter head knife bar and ultrasound knife lever in an embodiment of the ultrasonic surgical blade knife bar with interchangeable cutter head of the present utility model;
Fig. 4 A is that Fig. 4 B is the connection status schematic diagram of cutter head and knife bar according to the connection status schematic diagram of cutter head and knife bar in an embodiment of the ultrasonic surgical blade knife bar with interchangeable cutter head of the present utility model;
Fig. 5 disassembles schematic diagram according to cutter head in an embodiment of the ultrasonic surgical blade knife bar with interchangeable cutter head of the present utility model;
Fig. 6 disassembles view according to knife bar in an embodiment of the ultrasonic surgical blade knife bar with interchangeable cutter head of the present utility model;
Fig. 7 A is the partial schematic diagram of cutter head outer tube tail end structure, the structural representation of Fig. 7 B cutter head outer tube tail end projection tongue and outer tube head corresponding angle, and Fig. 7 C is the cutaway view of cutter head outer tube tail end projection tongue and outer tube head corresponding angle;
Fig. 8 is the structural representation of cutter head inner tube tail end snap fit;
Fig. 9 is the structural representation of knife bar inner tube tail end snap fit;
Figure 10 A is the inner sleeve structural representation of knife bar assembly, and Figure 10 B is the decomposing schematic representation of the inner sleeve of knife bar assembly;
The structural representation of Figure 11 A knife bar outer tube positioning sleeve, Figure 11 B is the chute of outer tube positioning sleeve setting and the schematic diagram of positioning through hole, Figure 11 C is the elongated slot schematic diagram arranging on outer tube positioning sleeve;
Figure 12 is the cushion cover structural representation of knife bar assembly;
Figure 13 A is spring shift sleeve structure schematic diagram, and Figure 13 B is the cutaway view of spring sliding sleeve, and Figure 13 C is another structural representation of spring sliding sleeve, and Figure 13 D is the another structural representation of spring sliding sleeve;
Figure 14 is position 1 structural representation that cutter head assembly is installed;
Figure 15 is position 2 structural representations that cutter head assembly is installed;
Figure 16 is position 3 structural representations that cutter head assembly is installed;
Figure 17 is the structural profile schematic diagram that the position 4 of cutter head assembly is installed;
Figure 18 is the structural profile schematic diagram that the position 5 of cutter head assembly is installed;
Figure 19 is the structural profile schematic diagram that the position 6 of cutter head assembly is installed;
Figure 20 A is the snap fit state structural representation of cutter head inner tube in the time that the position 6 of cutter head assembly is installed, Figure 20 B is outer tube positioning sleeve and cutter head outer tube projection tongue location status structural representation in the time that the position 6 of cutter head assembly is installed, and Figure 20 C is the head status architecture schematic diagram of ultrasonic surgical blade in the time that the position 6 of cutter head assembly is installed; Figure 20 D has been the knife bar partial structurtes schematic diagram that cutter head assembly is installed;
Figure 21 A is the front portion structure schematic diagram of anti-pollution protective sleeve, the rear structure schematic diagram that Figure 21 B is anti-pollution protective sleeve, and Figure 21 C is the structural representation before anti-pollution protective sleeve is installed, Figure 21 D is the structural representation after anti-pollution protective sleeve is installed.
Detailed description of the invention
With reference to the accompanying drawings this utility model is described more fully, exemplary embodiment of the present utility model is wherein described.Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is only this utility model part embodiment, instead of whole embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of this utility model protection.Below in conjunction with figure and embodiment, the technical solution of the utility model is carried out to many-sided description.
Below in order to narrate conveniently, hereinafter alleged " left side ", " right side ", " on ", the direction such as left and right, upper and lower of D score etc. and accompanying drawing itself is consistent, " front end ", " rear end " or " end " etc. are for before or after with respect to accompanying drawing being, " first ", " second " etc. distinguish on describing, not other special implication.
As shown in Fig. 3 A and 3B, ultrasonic surgical blade comprises: ultrasound knife lever, is called for short lever 020; There is the ultrasonic surgical blade knife bar of interchangeable cutter head, be called for short interchangeable cutter head knife bar 030.Interchangeable cutter head knife bar 030 is connected on lever 020 by interface arrangment.
As shown in Fig. 4 A and 4B, the ultrasonic surgical blade knife bar with interchangeable cutter head comprises knife bar assembly 4-2 and cutter head assembly 4-1, below can be referred to as cutter head, knife bar.As shown in Fig. 5 to Figure 13 D, cutter head assembly comprises: cutter head outer tube 5-1 and cutter head inner tube 5-2.In the front end side wall of cutter head outer tube, the first ball positioning through hole 5-1A is set.Knife bar assembly comprises: knife bar inner tube 6-2, outer tube positioning sleeve 6-4, spring 6-8, cushion cover 6-7, spring sliding sleeve 6-10, ball 6-10 and knife bar body 6-12.
The second ball positioning through hole 6-4A-3 is set on the sidewall of outer tube positioning sleeve.Spring sliding sleeve arranges 4 grades of step through-holes vertically, and wherein, the diameter of second step hole 6-9D is less than the diameter in first step hole and the diameter of the 3rd stepped hole 6-9C, and the diameter of the 3rd stepped hole 6-9A is less than the diameter of the 4th stepped hole 6-9C.
Knife bar inner tube 6-2, outer tube positioning sleeve 6-4, spring sliding sleeve 6-10 are radially successively set on the periphery of knife bar body 6-12; Outer tube positioning sleeve 6-4 is through second step hole 6-9D, and with second step hole 6-9D matched in clearance.
Spring 6-8 is arranged on the periphery of outer tube positioning sleeve 6-4, and is encapsulated in first step hole by cushion cover 6-7.Cutter head inner tube 5-2 is arranged on the periphery of knife bar body 6-12, and the end of knife bar inner tube 6-2 is connected with the front end buckle of cutter head inner tube 5-2; Knife bar outer tube 5-1 be positioned at outer tube positioning sleeve 6-4 and and knife bar inner tube (6-2) between, ball 6-10 is positioned at the 3rd stepped hole 6-9A hole, and snap in the first ball positioning through hole 5-1A and the second ball positioning through hole 6-4A-3, due to location and the restriction of ball, cutter head assembly is arranged on knife bar assembly.
In the time that needs are dismantled cutter head, spring sliding sleeve 6-10 is moved forward and Compress Spring 6-8, make ball 6-10 be arranged in the 4th stepped hole 6-9C, ball 6-10 can get loose in the first ball positioning through hole 5-1A and the second ball positioning through hole 6-4A-3, cutter head assembly can be dismantled.
According to an embodiment of the present utility model, at the front end of cutter head outer tube 5-1, para-position projection tongue 5-1B is set.Axial chute 6-4A-2 is set in the inner wall at end of outer tube positioning sleeve 6-4, and in the end of chute, slotted hole 6-4A-1 is set.5-1B is corresponding one by one with chute 6-4A-2 for para-position projection tongue; Installing under the state of cutter head assembly, para-position projection tongue 5-1B inserts chute 6-4A-2 and enters in slotted hole 6-4A-1, and para-position projection tongue 5-1B can circumferentially rotate in slotted hole 6-4A-1.
According to an embodiment of the present utility model, 2 riser 5-1D of circumferential symmetry are set at the sidewall of the end of cutter head outer tube 5-1, and riser 5-1D is symmetrical structure.At front end etching the first para-position arrow 5-1C of cutter head outer tube 5-1.
Para-position projection tongue 5-1B is symmetrical structure, and the first para-position arrow 5-1C points to para-position projection tongue 5-1B.Be 12 degree through the axial plane of 2 installing plate 5-1D line of symmetries with the angle of the axial plane through para-position projection tongue 5-1B line of symmetry, as shown in Fig. 7 C.
According to an embodiment of the present utility model, cutter head outer tube has 4 uniform positioning round orifice 5-1A, i.e. the first ball positioning through hole, 4 positioning round orifice 5-1A and riser 5-1D are arranged symmetrically with, function is that the rustless steel ball on knife bar snaps in and in four holes, realizes knife bar and cutter head locking, rotates and axial location with knife bar thereby realized cutter head.
Para-position projection tongue 5-1B is used for installing cutter head angle para-position, and etching para-position arrow 5-1C.Para-position projection tongue and etching para-position arrow angle should parallel with head 5-1D(risers) angle is 12 degree left and right, this special angle is to realize twice direction of rotation para-position, the object of direction of rotation para-position for the first time: make the knife bar body of knife bar pass interior tube head, the object of direction of rotation para-position for the second time: two inner tube snap fits are inserted along breach mutually.
According to an embodiment of the present utility model, cutter head inner tube 5-2 special design has two the first symmetrical snap fit 5-2A, as shown in Figure 8, function be realize with two snap fit buttons corresponding on knife bar with, realize inner tube and slide along axis, transmit push-pull effort and drive clamp opening and closing.
Cutter head inner tube two ends have sealing ring locating slot 5-2B, as shown in Figure 8, are used for fixing sealing ring 5-3, and can ensure that sealing ring installs reliably.Sealing ring 5-3 can select Teflon (also can with other material as high-temperature resistant rubber) etc., and outside dimension coordinates with cutter head outer tube and adopts the higher matched in clearance of precision, reaches inner and outer pipes slipping smoothness.
According to an embodiment of the present utility model, cutter head assembly is assembled: two sealing ring 5-3 are placed in respectively in the interior 5-2B of two locating slots in cutter head inner tube, heating cure, interior the cutter head that sealing ring is installed tube head is inserted to outer tube tail end, until tube head exposes from outer tube head in cutter head, load onto clamp 5-4.
When installation, first bottom two projections of clamp are loaded onto in cutter head inner tube square hole, then just can mount pin 5-4, pin install after firm pin welding, the end of clamp 5-4 and cutter head inner tube 5-2 is hinged.Cutter head inner tube can smoothly be slided, cutter head installation.Owing to having adopted Double seal ring, the dirt in operation can not pollute ultrasonic knife bar part.
According to an embodiment of the present utility model, knife bar inner tube 6-2 is designed with two the second symmetrical snap fit 6-2A, as shown in Figure 9, function be realize with two snap fit buttons corresponding in cutter head inner tube with, realize inner tube and slide along axis, transmission push-pull effort.
The front end of knife bar inner tube 6-2 opens and closes button by drive mechanism with pincers Hubei Province of ultrasonic surgical blade and is connected, and realizes the folding function of clamp 5-4.
According to an embodiment of the present utility model, inner sleeve 6-3 is by dividing up and down open semicircle cover to form 6-3A, as shown in Figure 10 B, wherein there is protruding 6-3B at upper semi-circle edge, the fluted 6-3C of lower half circle, convex groove is used for lower half circle angle direction location, etching guiding arrow 6-3D, two semicircular hitch and rear snap fit welding of pressing in certain angle and knife bar inner tube, can strengthen two snap fit rigidity of knife bar inner tube, ensure that snap fit connects effectively, and can make the snap fit radial location of cutter head inner tube, guarantee that snap fit mutually detains and do not get loose.
According to an embodiment of the present utility model, outer tube positioning sleeve 6-4 is welded by outer tube 6-4B and positioning sleeve 6-4A, as shown in Figure 11 C, and also can be one-body molded, but welding is simpler than the relative technique of entirety processing.Outer tube positioning sleeve has 4 uniform circular hole 6-4A-3, i.e. the second ball positioning through hole, and ball is placed in 44 holes, can realize ball location.
Endoporus has chute 6-4A-2, the protruding tongue of chute and cutter head adopts matched in clearance, function is the protruding tongue of cutter head while axially inserting this groove, and the inner tube snap fit of knife bar, cutter head inserts along snap fit otch, thereby realize easily, inner tube snap fit is directed to be inserted and can mutually not collide.Slotted hole 6-4A-1 is used for rotary stopper, and cutter head projection tongue slides axially into while reaching slotted hole along chute, and now cutter head projection tongue is rotatable along slotted hole, and knife bar rotates, and otch is crossed in the inner tube snap fit hook part of knife bar, cutter head, revotating card eave tile portion realize button and.
According to an embodiment of the present utility model, cushion cover 6-6 endoporus stepped hole 6-6A installs location, left and right, and as shown in figure 12, cushion cover also has the effect of spring location, overcoat radial location except left and right is spacing.Cushion cover 6-6 adopts and is fixedly installed, and external diameter is less than the diameter in the hole for mounting spring of spring sliding sleeve.
According to an embodiment of the present utility model, as shown in Figure 13 A to 13D, endoporus stage 6-9A, the 6-9C of spring sliding sleeve 6-9 is for limiting two extreme positions of ball, and ball has transition 30 to spend angle 6-9B at two stepped holes.
Aperture 6-9D and outer tube positioning sleeve matched in clearance, can slide along axis.The finger that slides before and after external 6-9E is anti-skidding.Can there be other 6-9F, 6-9G etc. form the outside of spring sliding sleeve 6-9.The main function of spring sliding sleeve: horizontally slip by sliding sleeve, restriction 4 ball two extreme positions, realize ball and snap in and get loose, thus realize being connected of cutter head and knife bar.
According to an embodiment of the present utility model, knife bar assembly also comprises: adapter 6-1, resilient key 6-5, button 6-6 etc., complete after other assembling parts of knife bar assembly, and finally divide up and down open semicircle hitch and be connected into and be integrated with inner tube laser spot welding.
Cutter head assembly 4-1 inserts knife bar assembly 4-2, and cutter head tail end arrives the inner sleeve end of knife bar, as shown in figure 14, adjusts the outer tube angulation of cutter head: para-position projection tongue 5-1B and arrow 5-1C align the arrow 6-3D putting in knife bar, continues to insert.
As shown in figure 15, cutter head is inserted into outer tube positioning sleeve termination 6-3, and now the head 6-12A of knife bar body stretches out inner tube termination, the cutter head certain angle (about 45 degree) that turns clockwise, now para-position projection tongue 5-1B aligns with outer tube positioning sleeve breach 6-4A-2, as shown in figure 16.
As shown in figure 17, para-position projection tongue inserts after outer tube positioning sleeve draw-in groove, pull the spring sliding sleeve 6-9 on knife bar with left hand thumb and forefinger, spring sliding sleeve against the force of the spring slides backward (approximately 3--4mm), cutter head continues to insert, cutter head outer tube tail end arrives ball end face, ball lifts (as shown in figure 18) under the effect of para-position projection tongue 5-1B power, cutter head outer tube is crossed ball and is continued insert and put in place (can feel outer tube end face contact resistance), now left-hand finger is unclamped knife bar sliding sleeve, when the right hand turns clockwise cutter head (about 45 degree) position, 4 location balls snap in corresponding 4 circular holes of cutter head (as shown in figure 19), cutter stalk slides under spring-force driven dual and gets back to initial position.
Above operation has also completed that cutter head inner tube puts in place (shown in Figure 20 B) with the protruding tongue of the mutual interlock of snap fit (as shown in FIG. 20 A), para-position of knife bar inner tube and knife bar body aligns with clamp (shown in Figure 20 C) simultaneously, thereby complete cutter head with ultrasonic to being connected of knife bar, installation.
Figure 20 D has been the knife bar partial structurtes schematic diagram that cutter head assembly is installed, and as shown in Figure 20 D: outer tube positioning sleeve 6-4 matches with adapter 6-1, limits moving axially of outer tube positioning sleeve 6-4.Button 6-6 is arranged on the periphery of knife bar assembly, and by resilient key 6-5, button 6-6 and knife bar body 6-12 is fixed, and packing ring 6-11 is set for revolving riveting, realizes pin fixing.
Spring 6-8 is arranged on the periphery of outer tube positioning sleeve 6-4, and is encapsulated in first step hole by cushion cover 6-7.The end of cutter head inner tube 5-2 is connected with the front end buckle of knife bar inner tube 6-2.Knife bar outer tube 5-1 is positioned between outer tube positioning sleeve 6-4 and knife bar inner tube (6-2), ball 6-10 snaps in the first ball positioning through hole and the second ball positioning through hole, cutter head assembly is arranged on knife bar assembly, and the para-position of knife bar outer tube projection tongue insert the chute on outer tube positioning sleeve 6-4 and enter in slotted hole.
When dismounting, knife bar sliding sleeve is pulled back with thumb and forefinger, and be rotated counterclockwise cutter head to spacing, the right hand pulls spring sliding sleeve, and cutter head separates with ultrasonic knife bar.Cutter head is discarded, and knife bar cleans, sterilization is preserved to be got ready time operation and used.
According to an embodiment of the present utility model, as shown in Figure 21 A to 21D, anti-pollution protective sleeve is difficult for cleaning position for preventing in operation that liquid splash pollutes knife bar broach shell, and the elastic silica gel protective sleeve of special design two stage structures is clean to ensure these positions.Anti-pollution protective sleeve is installed: completing after knife bar and cutter head installation, the knife bar after assembling is packed into handle of a knife, protective sleeve is finally installed.
No matter the ultrasonic surgical blade knife bar with interchangeable cutter head of the present utility model is that outward appearance or performance and overall ultrasonic knife bar are as good as.The design of interchangeable cutter head has taken into full account clinician, nurse's operation, convenient and reasonable, has advantages of reliable, easy to assemble, easy cleaning sterilization is installed.Because interchangeable cutter head of the present utility model can be convenient for changing, the knife bar cleaning part of having dismantled cutter head is again exposed, as long as carry out routine disinfection, sterilizing after operation, ultrasonic knife bar just can be reused.
The ultrasonic surgical blade knife bar with interchangeable cutter head of the present utility model has adopted the design of disposable cutter head, and cost significantly reduces, and the consumables cost of separate unit operation is significantly reduced, and alleviates patient's burden.And reduce existing overall ultrasound knife or disposable ultrasonic bar may be by the risk of Reusability.
Above-mentioned arbitrary technical scheme disclosed in the utility model unless otherwise stated, if it discloses numerical range, so disclosed numerical range is preferred numerical range, any it should be appreciated by those skilled in the art: preferred numerical range is only the obvious or representative numerical value of technique effect in many enforceable numerical value.Because numerical value is more, cannot be exhaustive, so this utility model just discloses part numerical value to illustrate the technical solution of the utility model, and the above-mentioned numerical value of enumerating should not form the restriction of this utility model being created to protection domain.
Simultaneously, if above-mentioned this utility model discloses or has related to parts or the structural member of connection fastened to each other, so, unless otherwise stated, be fixedly connected with and can be understood as: can dismantle and be fixedly connected with (for example using bolt or screw to connect), also can be understood as: non-removable being fixedly connected with (for example rivet, weld), certainly, connection fastened to each other also can for example, be replaced (obviously cannot adopt except integrally formed technique) by integral type structure (use casting technique is integrally formed to be created).
In addition, in the disclosed arbitrary technical scheme of above-mentioned this utility model applied for the term that represents position relationship or shape unless otherwise stated its implication comprise and its approximate, similar or approaching state or shape.Arbitrary parts that this utility model provides can be both to be assembled by multiple independent ingredients, the produced separate part of the technique that also can be one of the forming.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although this utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the field are to be understood that: still can modify or part technical characterictic is equal to replacement detailed description of the invention of the present utility model; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope of this utility model request protection.
Claims (10)
1. a ultrasonic surgical blade knife bar with interchangeable cutter head, comprises knife bar assembly and cutter head assembly, it is characterized in that:
Described cutter head assembly comprises: cutter head outer tube (5-1) and cutter head inner tube (5-2); In the front end side wall of described cutter head outer tube, the first ball positioning through hole (5-1A) is set; Described knife bar assembly comprises: knife bar inner tube (6-2), outer tube positioning sleeve (6-4), spring (6-8), cushion cover (6-7), spring sliding sleeve (6-10), ball (6-10) and knife bar body (6-12); The second ball positioning through hole (6-4A-3) is set on the sidewall of described outer tube positioning sleeve; Described spring sliding sleeve arranges 4 grades of step through-holes vertically, wherein, the diameter in second step hole (6-9D) is less than the diameter in first step hole and the diameter of the 3rd stepped hole (6-9C), and the diameter of the 3rd stepped hole (6-9A) is less than the diameter of the 4th stepped hole (6-9C);
Installing under the state of cutter head assembly, described knife bar inner tube (6-2), described outer tube positioning sleeve (6-4), described spring sliding sleeve (6-10) are radially successively set on the periphery of described knife bar body (6-12); Described outer tube positioning sleeve (6-4) is through described second step hole (6-9D), and with described second step hole (6-9D) matched in clearance; Described spring (6-8) is arranged on the periphery of described outer tube positioning sleeve (6-4), and is encapsulated in described first step hole by described cushion cover (6-7); Described cutter head inner tube (5-2) is arranged on the periphery of described knife bar body (6-12), and the end of described knife bar inner tube (6-2) is connected with the front end buckle of described cutter head inner tube (5-2); Described knife bar outer tube (5-1) is positioned between described outer tube positioning sleeve (6-4) and described knife bar inner tube (6-2), described ball (6-10) is positioned at the 3rd stepped hole (6-9A) hole, and snaps in the first ball positioning through hole (5-1A) and the second ball positioning through hole (6-4A-3); Wherein, under the state of dismounting cutter head assembly, described spring sliding sleeve (6-10) compresses described spring (6-8) mobile, make described ball (6-10) be arranged in the 4th stepped hole (6-9C), described ball (6-10) can get loose in the first ball positioning through hole (5-1A) and the second ball positioning through hole (6-4A-3).
2. ultrasonic surgical blade knife bar as claimed in claim 1, is characterized in that:
Described cutter head assembly also comprises: be arranged on the sealing ring (5-3) between described outer tube and inner tube.
3. ultrasonic surgical blade knife bar as claimed in claim 2, is characterized in that:
The quantity of described sealing ring (5-3) is 2;
The sealing ring locating slot (5-2B) that is used for fixing described sealing ring (5-3) is set respectively at the two ends of described cutter head inner tube (5-2).
4. ultrasonic surgical blade knife bar as claimed in claim 3, is characterized in that:
At the front end of described cutter head outer tube (5-1), para-position projection tongue (5-1B) is set;
Axial chute (6-4A-2) is set in the inner wall at end of described outer tube positioning sleeve (6-4), and in the end of described chute, slotted hole (6-4A-1) is set; Described para-position projection tongue (5-1B) is corresponding one by one with described chute (6-4A-2);
Installing under the state of cutter head assembly, described para-position projection tongue (5-1B) inserts described chute (6-4A-2) and enters in described slotted hole (6-4A-1), and described para-position projection tongue (5-1B) can circumferentially rotate in described slotted hole (6-4A-1).
5. ultrasonic surgical blade knife bar as claimed in claim 4, is characterized in that:
2 risers (5-1D) of circumferential symmetry are set at the sidewall of the end of described cutter head outer tube (5-1), and described riser (5-1D) is symmetrical structure;
At the front end etching first para-position arrow (5-1C) of described cutter head outer tube (5-1); Described para-position projection tongue (5-1B) is symmetrical structure, and described the first para-position arrow (5-1C) points to described para-position projection tongue (5-1B);
Be 12 degree through the axial plane of 2 installing plates (5-1D) line of symmetry with the angle of the axial plane through described para-position projection tongue (5-1B) line of symmetry.
6. ultrasonic surgical blade knife bar as claimed in claim 5, is characterized in that:
The quantity of described ball (6-10) is 4;
Front end side wall edge at described cutter head outer tube is circumferentially symmetrical arranged 4 the first ball positioning through hole (5-1A); On the sidewall of described outer tube positioning sleeve (6-4), edge is circumferentially symmetrical arranged 4 the second ball positioning through hole (6-4A-3).
7. ultrasonic surgical blade knife bar as claimed in claim 6, is characterized in that:
Described cutter head assembly also comprises: clamp (5-4);
Described clamp (5-4) is hinged with the end of described cutter head inner tube (5-2).
8. ultrasonic surgical blade knife bar as claimed in claim 7, is characterized in that:
The front end of described cutter head inner tube (5-2) arranges 2 symmetrical the first snap fits (5-2A), and the end of described knife bar inner tube (6-2) arranges 2 symmetrical the second snap fits (6-2A).
9. ultrasonic surgical blade knife bar as claimed in claim 8, is characterized in that:
Described knife bar assembly also comprises: inner sleeve (6-3);
Etching guiding arrow (6-3D) on the outer surface of described inner sleeve; Described inner sleeve (6-3) is enclosed within the end of described knife bar inner tube (6-2), and with 2 symmetrical the second snap fit (6-2A) welding.
10. ultrasonic surgical blade knife bar as claimed in claim 9, is characterized in that:
Described cutter head assembly also comprises: anti-pollution protective sleeve; The material of described anti-pollution protective sleeve is silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420031920.5U CN203776996U (en) | 2014-01-20 | 2014-01-20 | Ultrasonic surgical knife carrier with replaceable tool bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420031920.5U CN203776996U (en) | 2014-01-20 | 2014-01-20 | Ultrasonic surgical knife carrier with replaceable tool bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203776996U true CN203776996U (en) | 2014-08-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420031920.5U Withdrawn - After Issue CN203776996U (en) | 2014-01-20 | 2014-01-20 | Ultrasonic surgical knife carrier with replaceable tool bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203776996U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104783868A (en) * | 2014-01-20 | 2015-07-22 | 北京安和加利尔科技有限公司 | Ultrasonic scalpel bar with replaceable scalpel head |
| CN107019557A (en) * | 2016-01-12 | 2017-08-08 | 佳乐医疗设备有限公司 | Electro-surgical device |
| CN109009331A (en) * | 2018-08-08 | 2018-12-18 | 北京安和加利尔科技有限公司 | A kind of ultrasonic surgery integrated knife |
| CN109068937A (en) * | 2015-12-08 | 2018-12-21 | 天津瑞奇外科器械股份有限公司 | Ultrasonic surgical instruments |
| CN110353765A (en) * | 2019-07-29 | 2019-10-22 | 河南理工大学 | A kind of ultrasonic surgical blade with interchangeable cutter head |
| CN110403674A (en) * | 2019-08-01 | 2019-11-05 | 河南理工大学 | A kind of Intelligence Ultrasound scalpel for oncotherapy |
| CN110575228A (en) * | 2019-09-25 | 2019-12-17 | 哈尔滨优脉雷声科技有限责任公司 | Cutter bar structure of ultrasonic scalpel and ultrasonic scalpel |
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2014
- 2014-01-20 CN CN201420031920.5U patent/CN203776996U/en not_active Withdrawn - After Issue
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104783868A (en) * | 2014-01-20 | 2015-07-22 | 北京安和加利尔科技有限公司 | Ultrasonic scalpel bar with replaceable scalpel head |
| CN109068937A (en) * | 2015-12-08 | 2018-12-21 | 天津瑞奇外科器械股份有限公司 | Ultrasonic surgical instruments |
| CN109068937B (en) * | 2015-12-08 | 2021-07-23 | 天津瑞奇外科器械股份有限公司 | Ultrasonic surgical instrument |
| CN107019557A (en) * | 2016-01-12 | 2017-08-08 | 佳乐医疗设备有限公司 | Electro-surgical device |
| CN107019557B (en) * | 2016-01-12 | 2021-03-30 | 佳乐医疗设备有限公司 | Electrosurgical device |
| CN109009331A (en) * | 2018-08-08 | 2018-12-18 | 北京安和加利尔科技有限公司 | A kind of ultrasonic surgery integrated knife |
| EP3607900A1 (en) * | 2018-08-08 | 2020-02-12 | Beijing Anhejialier Technology Co., Ltd. | Ultrasonic surgical integrated knife |
| CN109009331B (en) * | 2018-08-08 | 2024-02-06 | 北京安和加利尔科技有限公司 | Ultrasonic operation integrated knife |
| CN110353765A (en) * | 2019-07-29 | 2019-10-22 | 河南理工大学 | A kind of ultrasonic surgical blade with interchangeable cutter head |
| CN110403674A (en) * | 2019-08-01 | 2019-11-05 | 河南理工大学 | A kind of Intelligence Ultrasound scalpel for oncotherapy |
| CN110575228A (en) * | 2019-09-25 | 2019-12-17 | 哈尔滨优脉雷声科技有限责任公司 | Cutter bar structure of ultrasonic scalpel and ultrasonic scalpel |
| CN110575228B (en) * | 2019-09-25 | 2021-02-19 | 哈尔滨优脉雷声科技有限责任公司 | Cutter bar structure of ultrasonic scalpel and ultrasonic scalpel |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140820 Effective date of abandoning: 20180810 |