CN211511961U

CN211511961U - Detachable ultrasonic scalpel capable of preventing silica gel ring from being scratched

Info

Publication number: CN211511961U
Application number: CN201921175253.7U
Authority: CN
Inventors: 汪超
Original assignee: Jiashan Feikuo Medical Technology Co ltd
Current assignee: Jiashan Feikuo Medical Technology Co ltd
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-09-18
Anticipated expiration: 2029-07-24

Abstract

The utility model provides a prevent detachable ultrasonic scalpel of silica gel circle scratch, which comprises an outer shell, set up in the handle of shell one end, pass the shell and with the handle-connected cutter arbor subassembly, the outside removal cover subassembly of cutter arbor subassembly is located to the cover, the movable chuck of being connected with the operation portion that removes the cover subassembly and keeping away from the one end of handle with the cutter arbor subassembly, the cutter arbor subassembly includes the outer tube, be located interior sleeve pipe of outer tube and pass interior sheathed tube core cutter arbor, the one end and the handle fixed connection of core cutter arbor, the spacer sleeve is equipped with a plurality of silica gel circles on the lateral wall of core cutter arbor, the inboard and interior sleeve pipe joint of removal cover subassembly, outside and operation portion joint, interior sleeve pipe forms the turn-ups towards the terminal. Therefore, the silicone ring on the core cutter rod can be prevented from being scratched by the inner sleeve.

Description

Detachable ultrasonic scalpel capable of preventing silica gel ring from being scratched

Technical Field

The utility model relates to an ultrasonic scalpel field, especially a prevent detachable ultrasonic scalpel of silica gel circle scratch.

Background

The ultrasonic scalpel is an instrument that further amplifies ultrasonic vibration obtained by a piezoelectric transducer (electric energy is transmitted to the piezoelectric transducer by an energy generator, and the electric energy is converted into ultrasonic mechanical energy by the piezoelectric transducer), and the amplified ultrasonic vibration is used for cutting and coagulating soft tissue by a head of the scalpel. The clinical use of the device can realize the excision of the focus under the conditions of lower temperature and less bleeding.

The cutter bar assembly of the existing ultrasonic scalpel is provided with a core cutter bar, an inner sleeve and an outer sleeve, wherein the inner sleeve is positioned between the core cutter bar and the outer sleeve and can move for a certain distance along the axial direction, so that a movable chuck is opened or closed, the movable chuck is contacted with or separated from the tail end of the core cutter bar, and the clamping and cutting of target biological tissues are realized.

The inner sleeve of the existing ultrasonic scalpel is fixedly connected with the movable sleeve component through welding, so that the manufacturing process is complex, the welding requirement is high, and the cost is high. Biological tissues can enter the gap between the tail ends of the inner sleeve and the outer sleeve, and the whole ultrasonic scalpel can be discarded after the operation is finished because the inner sleeve is welded with the movable sleeve component. This results in greater waste due to the higher cost of the core bar.

The applicant previously applied a chinese patent named "ultrasonic scalpel and ultrasonic scalpel system", which can separate the cutter bar assembly from the sleeve unit and the housing, and achieve detachable installation of the cutter bar assembly, thereby facilitating cleaning of the core cutter bar unit, recycling of the cutter bar assembly, and reducing resource waste; in order to avoid abrasion caused by rigid contact between the core cutter bar and the inner sleeve and avoid noise caused by mutual vibration friction between the core cutter bar and the inner sleeve during working, a plurality of silica gel rings are sleeved on the core cutter bar at intervals, and the core cutter bar is in contact with the inner sleeve through the silica gel rings. However, when the core cutter rod is installed, the end of the inner sleeve can scratch the silica gel ring on the core cutter rod, so that the silica gel ring is damaged and the protective effect of the silica gel ring is weakened.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a can prevent detachable ultrasonic scalpel of preventing silica gel circle scratch of interior sleeve pipe scratch silica gel circle on the core cutter arbor to solve above-mentioned problem.

The utility model provides a prevent detachable ultrasonic scalpel of silica gel circle scratch, which comprises an outer shell, set up in the handle of shell one end, pass the shell and with the handle-connected cutter arbor subassembly, the outside removal cover subassembly of cutter arbor subassembly is located to the cover, the movable chuck of being connected with the operation portion that removes the cover subassembly and keeping away from the one end of handle with the cutter arbor subassembly, the cutter arbor subassembly includes the outer tube, be located interior sleeve pipe of outer tube and pass interior sheathed tube core cutter arbor, the one end and the handle fixed connection of core cutter arbor, the spacer sleeve is equipped with a plurality of silica gel circles on the lateral wall of core cutter arbor, the inboard and interior sleeve pipe joint of removing the cover subassembly, the outside and the operation portion joint of removing the cover subassembly, interior sleeve pipe outwards bends to extend.

Furthermore, the first side of the first end of the movable chuck is rotatably connected with one end, away from the handle, of the outer sleeve, and the second side of the first end of the movable chuck is connected with one end, away from the handle, of the inner sleeve.

Furthermore, first clamping grooves are formed in the two radial sides of one end, facing the handle, of the outer sleeve respectively, the outer sleeve is connected with a universal wheel, first clamping support legs are arranged on the two radial sides of one end of the universal wheel respectively, and the first clamping support legs of the universal wheel are located in the first clamping grooves.

Furthermore, the outer sleeve towards one end of the handle is respectively provided with a first limiting groove along the radial two sides, the inner sleeve towards one end of the handle is respectively provided with a second limiting groove along the radial two sides, the core cutter rod is provided with a pin hole, a shaft pin penetrates through the pin hole, and the two ends of the shaft pin penetrate through the second limiting groove of the inner sleeve and the first limiting groove of the outer sleeve.

Furthermore, the movable sleeve assembly comprises a movable outer sleeve and a movable inner sleeve connected with the movable outer sleeve, second clamping support legs are arranged on the inner side wall of the movable inner sleeve in a protruding mode at two ends in the radial direction respectively, second clamping grooves are formed in two sides of one end, far away from the movable chuck, of the inner sleeve in the radial direction respectively, the movable inner sleeve is sleeved outside the inner sleeve, and the second clamping support legs are located in the second clamping grooves.

Furthermore, a step groove is further formed in the inner side wall of the movable inner sleeve, and the flanging of the inner sleeve is located on the step groove.

Compared with the prior art, the utility model discloses a prevent detachable ultrasonic scalpel of silica gel circle scratch includes the shell, set up in the handle of shell one end, pass the cutter arbor subassembly that the shell and be connected with the handle, the outside removal cover subassembly of cutter arbor subassembly is located to the cover, the movable chuck of being connected with the operation portion that removes the cover subassembly and keeping away from the one end of handle with the cutter arbor subassembly, the cutter arbor subassembly includes the outer tube, be located the interior sleeve pipe of outer tube and pass interior sheathed tube core cutter arbor, the one end and the handle fixed connection of core cutter arbor, the spacer sleeve is equipped with a plurality of silica gel circles on the lateral wall of core cutter arbor, the inboard and interior sleeve pipe joint that remove the cover subassembly, outside and operation portion joint, interior sleeve pipe forms the turn-ups towards the terminal. Therefore, the silicone ring on the core cutter rod can be prevented from being scratched by the inner sleeve.

Drawings

Embodiments of the present invention are described below with reference to the accompanying drawings, in which:

fig. 1 is a schematic perspective view of the detachable ultrasonic scalpel for preventing the silicon rubber ring from being scratched.

Fig. 2 is a perspective view of the knife bar assembly, the handle, the movable sleeve assembly, the universal wheel, the handle positioning sleeve and the electrical connector assembly shown in fig. 1.

Fig. 3 is a schematic exploded view of the knife bar assembly, the handle, the movable sleeve assembly, the universal wheel, the handle positioning sleeve and the electrical connector assembly shown in fig. 1.

Fig. 4 is an enlarged schematic view of a portion F in fig. 3.

Fig. 5 is a schematic end view of the moving inner sleeve of fig. 3.

Fig. 6 is an enlarged schematic view of a portion D in fig. 2.

Fig. 7 is a perspective view of the movable inner sleeve of fig. 3.

Fig. 8 is a disassembled schematic view of the electrical connector assembly of fig. 2.

FIG. 9 is a schematic view of the installation of the mandrel bar and the shaft pin.

Fig. 10 is an enlarged schematic view of a portion E in fig. 3.

Detailed Description

The following describes in further detail specific embodiments of the present invention based on the drawings. It should be understood that the description herein of embodiments of the invention is not intended to limit the scope of the invention.

Referring to fig. 1, the detachable ultrasonic scalpel for preventing the silicone ring from being scratched comprises a housing 10, a handle 20 disposed at one end of the housing 10, a knife bar assembly 30 passing through the housing 10 and connected to the handle 20, a moving sleeve assembly 40 sleeved on the outside of the knife bar assembly 30, an operating portion 50 connected to the moving sleeve assembly 40, a movable chuck 60 connected to one end of the knife bar assembly 30 far from the handle 20, and a universal wheel 70 connected to the middle of the knife bar assembly 30.

Referring to fig. 2 and 3, the knife bar assembly 30 includes an outer sleeve 31, an inner sleeve 32 disposed in the outer sleeve 31, and a knife bar 33 passing through the inner sleeve 32, wherein one end of the knife bar 33 is fixedly connected to the handle 20, a first side of a first end of the movable chuck 60 is rotatably connected to an end of the outer sleeve 31 away from the handle 20, and a second side of the first end of the movable chuck 60 is connected to an end of the inner sleeve 32 away from the handle 20. A plurality of silica gel rings 331 are sleeved on the outer side wall of the core knife bar 33 at intervals.

When the inner cannula 32 is moved axially, the movable jaw 60 can be caused to open or engage relative to the core shaft 33 to grasp the biological tissue and perform the cutting.

First clamping support legs 71 are arranged at one end of the universal wheel 70 along the radial two sides respectively, and clamping blocks are arranged on the two first clamping support legs 71 in an opposite protruding mode. Referring to fig. 4, one end of the outer sleeve 31, which is away from the movable chuck 60, is provided with first clamping grooves 311 along both sides of the radial direction, and the first clamping legs 71 of the universal wheel 70 extend into the first clamping grooves 311, so that the universal wheel 70 is clamped with the outer sleeve 31; at the same time, the universal wheel 70 is rotatably connected to the housing 10, so that the outer sleeve 31 can be rotated by operating the universal wheel 70. The outer sleeve 31 is provided with a first limiting groove 312 along two radial sides of the end thereof away from the movable chuck 60.

The inner side of the movable sleeve assembly 40 is clamped with the inner sleeve 32, the outer side of the movable sleeve assembly is clamped with the operating part 50, and the movable sleeve assembly 40 and the inner sleeve 32 can move along the axial direction by operating the operating part 50, so that the movable chuck 60 can be opened or closed.

Specifically, the movable sleeve assembly 40 includes a movable outer sleeve 41 and a movable inner sleeve 42, an outer side of one end of the movable inner sleeve 42 is provided with an external thread, an inner side of one end of the movable outer sleeve 41 is provided with an internal thread, one end of the movable inner sleeve 42 having the external thread is located in the movable outer sleeve 41, and the movable inner sleeve 42 is in threaded connection with the movable outer sleeve 41. The elastic members 421 are respectively disposed at two ends of the middle portion of the movable inner sleeve 42 along the radial direction.

Referring to fig. 4, the end of the inner sleeve 32 away from the movable chuck 60 is respectively provided with second clamping grooves 321 along two radial sides, the end of the inner sleeve 32 away from the movable chuck 60 is respectively provided with second limiting grooves 322 along the other two radial sides, and the end of the inner sleeve 32 away from the movable chuck 60 is bent and extended outwards to form a flange 323, so that the end of the inner sleeve 32 away from the movable chuck 60 has a smooth opening, so that the core cutter bar 33 and the silicone ring 331 can conveniently extend into the inner sleeve 32, and the end of the inner sleeve 32 does not form a sharp cut edge to scratch the silicone ring 331.

Referring to fig. 5 to 7, a second clamping leg 422 is protrudingly disposed on an inner sidewall of the elastic member 421 inside the movable inner sleeve 42, third limiting grooves 423 are respectively recessed at two ends of the inner sidewall of the movable inner sleeve 42 along another radial direction, the movable inner sleeve 42 is sleeved outside the inner sleeve 32, and the second clamping leg 422 extends into the second clamping groove 321, so that when the movable inner sleeve 42 moves axially under the action of the operating portion 50, the movable inner sleeve 42 is driven to move axially.

Further, a stepped groove 424 is formed on the inner side wall of the movable inner sleeve 42, and the flange 323 of the inner sleeve 32 is located on the stepped groove 424.

Referring to fig. 9 and 10, a pin hole 332 is formed on the core bar 33, a pin 34 penetrates through the pin hole 332, a silica gel sleeve 35 is sleeved outside the pin 34, a first positioning protruding ring 351 and a second positioning protruding ring 352 are respectively and protrudingly disposed at positions of the silica gel sleeve 35 close to two ends of the pin 34, wherein a diameter of the first positioning protruding ring 351 is gradually increased from one end far away from the second positioning protruding ring 352 to one end close to the second positioning protruding ring 352, so that the pin 34 and the silica gel sleeve 35 can be conveniently inserted into the pin hole 332, and after the pin 34 is installed in place, the first positioning protruding ring 351 and the second positioning protruding ring 352 are respectively clamped with the core bar 33 from the two ends to prevent the pin 34 from slipping out of the pin hole 332. The silicone sleeve 35 can prevent the shaft pin 34 from rigidly contacting the mandrel bar 33, the inner sleeve 32 and the outer sleeve 31.

The connection mode between the shaft pin 34 and the silicone sleeve 35 is bonding or interference fit, so that the shaft pin 34 cannot be separated from the silicone sleeve 35.

Referring to fig. 4, both ends of the shaft pin 34 also pass through the second limiting groove 322 of the inner sleeve 32 and the first limiting groove 312 of the outer sleeve 31, so that when the universal wheel 70 and the outer sleeve 31 rotate, the shaft pin 34 drives the inner sleeve 32 and the arbor 33 to rotate together.

Referring to fig. 7, both ends of the shaft pin 34 are respectively located in the third position-limiting grooves 423 of the movable inner sleeve 42.

Because the shaft pin 34 is connected with the core bar 33, the inner sleeve 32 and the outer sleeve 31, and the shaft pin 34 is a concentrated acting point of force, the silica gel sleeve 35 is very easy to wear, after working for a certain time, the shaft pin 34 and the silica gel sleeve 35 need to be replaced, and the shaft pin 34 and the silica gel sleeve 35 are connected with the core bar 33 in a detachable manner by the structures of the first positioning convex ring 351 and the second positioning convex ring 352, so that the shaft pin 34 and the silica gel sleeve 35 can be replaced conveniently.

Referring to fig. 3, a positioning convex ring 21 is protrudingly disposed on the handle 20, a handle positioning sleeve 80 is disposed in the housing 10 at a position close to the handle 20, and at least one clamping convex ring 81 is protrudingly disposed on an inner side wall of the handle positioning sleeve 80, when the handle 20 is installed, the handle 20 is axially inserted into the housing 10, and after the positioning convex ring 21 of the handle 20 overcomes the elastic force of the clamping convex ring 81 of the handle positioning sleeve 80, the positioning convex ring 21 is clamped with the clamping convex ring 81.

At least one first connection terminal and at least one second connection terminal are protrudingly provided at one end of the handle 20 facing the core bar 33, and a distance between the first connection terminal and the axis of the handle 20 (or the core bar 33) is greater than that between the second connection terminal and the second connection terminal, that is, the first connection terminal and the second connection terminal are disposed far and near the core bar 33. In this embodiment, the first connection terminal and the second connection terminal are both circular rings, and the diameter of the first connection terminal is larger than that of the second connection terminal.

Referring to fig. 8, the electrical connector assembly includes a connecting seat 91, a first connecting piece 92 and a second connecting piece 93, wherein a first step post 911 is disposed on one side of the connecting seat 91 facing the handle 20, a second step post 912 is disposed on the first step post 911, a plurality of first connecting holes 913 are disposed on the first step post 911, and a plurality of second connecting holes 914 are disposed on the second step post 912; a plurality of first pins 921 are protrudingly arranged at the bottom of the first connection plate 92, the first pins 921 are located in the first connection holes 913, the first connection plate 92 is arc-shaped, and the outer sides of the two ends of the first connection plate 92 are respectively protrudingly provided with first contacts 922; a plurality of second pins 931 are protrudingly arranged at the bottom of the second connecting piece 93, the second pins 931 are located in the second connecting holes 914, the second connecting piece 93 is arc-shaped, and second contacts 932 are protrudingly arranged on the outer sides of the two ends of the second connecting piece 93 respectively.

When the handle 20 is mounted in place, the first connection terminal of the handle 20 abuts the first contact 922 of the first connection piece 92, and the second connection terminal abuts the second contact 932 of the second connection piece 93.

Compared with the prior art, the utility model discloses a prevent detachable ultrasonic scalpel of silica gel circle scratch includes shell 10, set up in the handle 20 of shell 10 one end, pass shell 10 and the cutter arbor subassembly 30 of being connected with handle 20, the outside removal cover subassembly 40 of cutter arbor subassembly 30 is located to the cover, the operation portion 50 of being connected with removal cover subassembly 40 reaches the movable chuck 60 of being connected with the one end that cutter arbor subassembly 30 kept away from handle 20, cutter arbor subassembly 30 includes outer tube 31, be located interior sleeve pipe 32 of outer tube 31 and pass interior sleeve pipe 32's core cutter arbor 33, the one end and the handle 20 fixed connection of core cutter arbor 33, the spacer is equipped with a plurality of silica gel circles 331 on the lateral wall of core cutter arbor 33, the inboard and interior sleeve pipe 32 joint of removal cover subassembly 40, the outside and the 50 joints of operation portion, interior sleeve pipe 32 forms turn-ups 323 towards the terminal incurvation extension of handle 20. This prevents the inner tube 32 from scratching the silicone ring 331 on the core holder 33.

The above description is only for the preferred embodiment of the present invention and should not be construed as limiting the scope of the present invention, and any modification, equivalent replacement or improvement within the spirit of the present invention is encompassed by the claims of the present invention.

Claims

1. The utility model provides a prevent detachable ultrasonic scalpel of silica gel circle scratch which characterized in that: including the shell, set up in the handle of shell one end, pass the cutter arbor subassembly that the shell and be connected with the handle, the outside removal cover subassembly of cutter arbor subassembly is located to the cover, the movable chuck of being connected with the operation portion that removes the cover subassembly and keeping away from the one end of handle with the cutter arbor subassembly, the cutter arbor subassembly includes the outer tube, be located interior sleeve pipe of outer tube and pass interior sheathed tube core cutter arbor, the one end and the handle fixed connection of core cutter arbor, the spacer sleeve is equipped with a plurality of silica gel circles on the lateral wall of core cutter arbor, the inboard and interior sleeve pipe joint of removal cover subassembly, the outside and the operation portion joint of removal cover subassembly, interior sleeve pipe forms the turn-ups towards the terminal incur.

2. The detachable ultrasonic scalpel capable of preventing the silicone ring from being scratched according to claim 1, wherein: the first side of the first end of the movable chuck is rotatably connected with one end, away from the handle, of the outer sleeve, and the second side of the first end of the movable chuck is connected with one end, away from the handle, of the inner sleeve.

3. The detachable ultrasonic scalpel capable of preventing the silicone ring from being scratched according to claim 1, wherein: first joint groove has been seted up respectively along radial both sides to the one end of outer tube towards the handle, and the outer tube is connected with a universal wheel, and the one end of universal wheel is provided with first joint stabilizer blade respectively along radial both sides, and the first joint stabilizer blade of universal wheel is arranged in first joint groove.

4. The detachable ultrasonic scalpel capable of preventing the silicone ring from being scratched according to claim 1, wherein: the core cutter comprises a core cutter rod, an outer sleeve, a handle, a first limiting groove, a second limiting groove, a pin hole, a shaft pin and a first limiting groove, wherein the first limiting groove is formed in one end, facing the handle, of the outer sleeve along the radial two sides respectively, the second limiting groove is formed in one end, facing the handle, of the inner sleeve along the radial two sides respectively, the pin hole is formed in the core cutter rod, the shaft pin penetrates through the pin hole, and the.

5. The detachable ultrasonic scalpel capable of preventing the silicone ring from being scratched according to claim 1, wherein: the movable sleeve assembly comprises a movable outer sleeve and a movable inner sleeve connected with the movable outer sleeve, a second clamping supporting leg is arranged at each of two radial ends of the inner side wall of the movable inner sleeve in a protruding mode, second clamping grooves are formed in two radial sides of one end, far away from the movable chuck, of the inner sleeve respectively, the movable inner sleeve is sleeved outside the inner sleeve, and the second clamping supporting legs are located in the second clamping grooves.

6. The detachable ultrasonic scalpel capable of preventing the silicone ring from being scratched, according to claim 5, is characterized in that: the inner side wall of the movable inner sleeve is also provided with a step groove, and the turned edge of the inner sleeve is positioned on the step groove.