CN209203437U - A kind of ultrasound knife of replaceable jaw - Google Patents
A kind of ultrasound knife of replaceable jaw Download PDFInfo
- Publication number
- CN209203437U CN209203437U CN201820888651.2U CN201820888651U CN209203437U CN 209203437 U CN209203437 U CN 209203437U CN 201820888651 U CN201820888651 U CN 201820888651U CN 209203437 U CN209203437 U CN 209203437U
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- fixed
- jaw
- conduit
- horizontal axis
- pull rod
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Abstract
The utility model discloses a kind of ultrasound knifes of replaceable jaw, comprising: hollow conduit, one jaw of front end releasable connection of the conduit；Two fixed arms that the tail end of the jaw is provided symmetrically, two fixed arm upper end are equipped with fixed horizontal axis, and the two fixed arm bottom ends are respectively equipped with a traction fixed column；Under assembled state, the fixation horizontal axis is fixed in the whole groove of catheter proximal end by elastic fixing mechanism；The traction fixed column of lower end is fixed with the pull rod that the catheter interior is arranged in；Pull rod is pulled, the jaw is controlled and is moved within the scope of certain angle using the fixed horizontal axis axle center as the center of circle；When disassembly, the elastic fixing mechanism is subjected to displacement under external force, at this point, elastic fixing mechanism no longer covers the whole groove and fixation horizontal axis in the grooves, the jaw is separated with the conduit.
Description
Technical field
The utility model relates to a kind of jaw is replaceable, the replaceable ultrasound of the jaw of especially attachment polytetrafluoroethylene (PTFE)
Knife.It is related to Patent classificating number A agricultural A61 medicine or veterinary science；Hygiene A61B diagnosis；Surgery；Identify A61B17/00 surgery device
Tool, device or method, such as tourniquet A61B17/32 surgical cutting instrument.
Background technique
Widely used ultrasound knife is mostly to reuse during surgery, and jaw is shaken due to tissue front and back and caused when in use
Polytetrafluoroethylene (PTFE) laciniation destroys, and reduces grasping force and frictional force, is not able to satisfy operation after use and requires.And hospital
It is discarded that entirety is carried out after generally using several times in line with the principle for saving cost again, will cause the reduction of using effect, existing product
Non-exchange or replaceable and cutter head is replaced together with knife bar, and replacing construction is long, and replacement step is complicated.Due to
The reuse of jaw, there is also the problems insufficient using rear sterilizing, and there are certain bacterium/risk of virus infection.
Utility model content
The ultrasound knife of a kind of replaceable jaw disclosed by the utility model, comprising: the front end of hollow conduit, the conduit can
Tear one jaw of connection open；
Two fixed arms that the tail end of the jaw is provided symmetrically, two fixed arm upper end are equipped with fixed horizontal axis, two institutes
It states fixed arm bottom end and is respectively equipped with a traction fixed column；
Under assembled state, the fixation horizontal axis is fixed in the whole groove of catheter proximal end by elastic fixing mechanism；Under
The traction fixed column at end is fixed with the pull rod that the catheter interior is arranged in；Pull rod is pulled, controls the jaw with the fixation
Horizontal axis axle center is that the center of circle moves within the scope of certain angle；
When disassembly, the elastic fixing mechanism is subjected to displacement under external force, at this point, elastic fixing mechanism no longer covers
The entirety groove and fixation horizontal axis in the grooves, the jaw are separated with the conduit.
As preferred embodiment, the elastic mechanism includes a sliding slot for being fixed on the pipe inner wall and sets
It sets in sliding slot, the slide plate of length direction movement, is equipped with spring along the chute between the slide plate and sliding slot closed end；
The front of the slide plate is equipped with the limit film extended；
Under assembled state, the limit film covers the whole groove under the action of spring.
Further, the catheter proximal end is equipped with a fixed part for having two sidewalls；The two sidewalls are parallel to each other,
The top surface of fixed part is the extension of duct wall, is equipped with the whole groove in fixed part leading portion；
Under assembled state, the fixed horizontal axis is located in the whole groove, and the limit film is located at fixed part top surface
Between fixed horizontal axis.
Further, the catheter proximal end is equipped with the through-hole matched with the slide plate shape.
Further, the pull rod section is U-type groove；The change cooperated with the jaw (2) is equipped with inside pull rod
Width bar.
By using above-mentioned technical proposal, a kind of ultrasound knife of replaceable jaw disclosed by the utility model, by using
The simple structure of fixed groove and the fixinig plate of elasticity realizes the flexible disassembly of jaw, simple for structure reliable, very
Suitable for promoting the use of on a large scale.
Detailed description of the invention
It, below will be to embodiment for the clearer technical solution for illustrating the embodiments of the present invention or the prior art
Or attached drawing needed to be used in the description of the prior art does one and simply introduces, it should be apparent that, drawings discussed below is only
Some embodiments of the utility model, for those of ordinary skill in the art, do not make the creative labor and not with
Under the premise of for the purpose of business, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structural schematic diagram of the utility model jaw
Fig. 2 is the schematic perspective view of the utility model assembled state
Fig. 3 is the bottom view of the stereochemical structure of the utility model assembled state
Fig. 4 is the structural schematic diagram of the utility model elastic fixing mechanism
Fig. 5 is the structural schematic diagram of the utility model fixed part and catheter proximal end
Fig. 6 is the utility model overall structure diagram
Specific embodiment
It elaborates with reference to the accompanying drawing to the utility model method, this example is premised on utility model technical solution
Implemented, the detailed implementation method and specific operation process are given, but the protection scope of utility model be not limited to it is following
Embodiment.
As shown in figs 1 to 6:
A kind of ultrasound knife of replaceable jaw, 8 He of handle for specifically including that hollow conduit 7 and being held for user
The movable handle 9 of handle leading portion.One jaw 1 of front end releasable connection of conduit 7.
As preferred embodiment, two fixed arms 12 that the tail end of the jaw 1 is provided symmetrically, two fixed arm
12 upper ends are equipped with fixed horizontal axis 13, and two 12 bottom ends of fixed arm are respectively equipped with a traction fixed column 14.
Under assembled state, the fixation horizontal axis 13 is fixed on the whole groove 73 of 7 front end of conduit by elastic fixing mechanism
In；The traction fixed column 14 of lower end and the pull rod 6 being arranged in inside the conduit 7 are fixed；Pull rod 6 is pulled, the jaw 1 is controlled
It is moved within the scope of certain angle using fixed 13 axle center of horizontal axis as the center of circle；
When disassembly, the elastic fixing mechanism is subjected to displacement under external force, at this point, elastic fixing mechanism no longer covers
The entirety groove 73 and fixation horizontal axis 13 in the grooves, the jaw 1 are separated with the conduit 7.
As preferred embodiment, the elastic mechanism include a sliding slot for being fixed on 7 inner wall of conduit and
It is arranged in sliding slot, the slide plate 3 of length direction movement, is equipped with spring 4 along the chute between the slide plate 3 and sliding slot closed end；It is described
The front of slide plate 3 is equipped with the limit film 31 extended；Under assembled state, the limit film 31 is covered under the action of spring 4
Cover the whole groove 73.When disassembly, the slide plate 3 is pushed backward, drives limit film 31 to move backward, be allowed to no longer cover
Whole groove 73 is covered, jaw 1 can be separated.
Further, in order not to additionally increase the diameter of conduit 7, i.e., all mechanisms are all disposed in conduit 7, are made
For preferred embodiment, 7 front end of conduit is equipped with a fixed part for having two sidewalls；The two sidewalls are parallel to each other,
The top surface of fixed part is the extension of 7 side wall of conduit, the whole groove 73 is equipped in fixed part leading portion, in 73 front shape of groove
At a crossbeam 74；As shown in Figure 5.Under assembled state, the fixed horizontal axis 13 is located in the whole groove 73, the limit
Piece 31 is located between fixed part top surface and fixed horizontal axis 13.
Further, in order to the slide plate 3 for facilitating operation described, as preferred embodiment, the conduit 7
Front end is equipped with the through-hole 71 matched with 3 shape of slide plate.
In order to further reduce volume shared by mechanism, as preferred embodiment, 6 section of pull rod is U
Type groove；The amplitude transformer 2 cooperated with the jaw 1 is equipped with inside pull rod 6.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of ultrasound knife of replaceable jaw, characterized by comprising: hollow conduit (7), the front end of the conduit (7) are removable
Connect a jaw (1)；
Two fixed arms (12) that the tail end of the jaw (1) is provided symmetrically, two fixed arms (12) upper end are equipped with fixed horizontal
Axis (13), two fixed arm (12) bottom ends are respectively equipped with a traction fixed column (14)；
Under assembled state, the fixation horizontal axis (13) is fixed on the whole groove of conduit (7) front end by elastic fixing mechanism
(73) in；The traction fixed column (14) of lower end and setting are fixed in the internal pull rod (6) of the conduit (7)；It pulls pull rod (6),
The jaw (1) is controlled to move within the scope of certain angle using fixed horizontal axis (13) axle center as the center of circle.
2. the ultrasound knife of replaceable jaw according to claim 1, it is further characterized in that: the elastic fixing mechanism packet
The sliding slot and be arranged in sliding slot that one is fixed on the conduit (7) inner wall are included, along the chute the slide plate (3) of length direction movement,
Spring (4) are equipped between the slide plate (3) and sliding slot closed end；
The front of the slide plate (3) is equipped with the limit film (31) extended；
Under assembled state, the limit film (31) covers the whole groove (73) under the action of the spring (4).
3. the ultrasound knife of replaceable jaw according to claim 2, it is further characterized in that: described conduit (7) front end is set
There is a fixed part for having two sidewalls；The two sidewalls are parallel to each other, and the top surface of fixed part is the extension of conduit (7) side wall,
Fixed part leading portion is equipped with the whole groove (73)；
Under assembled state, the fixed horizontal axis (13) is located in the whole groove (73), and the limit film (31) is located at solid
Determine between portion top surface and fixed horizontal axis (13).
4. the ultrasound knife of replaceable jaw according to claim 3, it is further characterized in that: described conduit (7) front end is set
There is the through-hole (71) matched with the slide plate (3) shape.
5. the ultrasound knife of replaceable jaw according to claim 4, it is further characterized in that: pull rod (6) section is U
Type groove；The amplitude transformer (2) cooperated with the jaw (1) is equipped with inside pull rod (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820888651.2U CN209203437U (en) | 2018-06-08 | 2018-06-08 | A kind of ultrasound knife of replaceable jaw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820888651.2U CN209203437U (en) | 2018-06-08 | 2018-06-08 | A kind of ultrasound knife of replaceable jaw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209203437U true CN209203437U (en) | 2019-08-06 |
Family
ID=67451808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820888651.2U Active CN209203437U (en) | 2018-06-08 | 2018-06-08 | A kind of ultrasound knife of replaceable jaw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209203437U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111759457A (en) * | 2020-07-27 | 2020-10-13 | 赛诺微医疗科技（浙江）有限公司 | End effector for surgical instrument |
-
2018
- 2018-06-08 CN CN201820888651.2U patent/CN209203437U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111759457A (en) * | 2020-07-27 | 2020-10-13 | 赛诺微医疗科技（浙江）有限公司 | End effector for surgical instrument |
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