CN209391992U - Via intranasal application approach nasopharynx biopsy naso-pharyngeal biopsy forceps - Google Patents
Via intranasal application approach nasopharynx biopsy naso-pharyngeal biopsy forceps Download PDFInfo
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- CN209391992U CN209391992U CN201820309900.8U CN201820309900U CN209391992U CN 209391992 U CN209391992 U CN 209391992U CN 201820309900 U CN201820309900 U CN 201820309900U CN 209391992 U CN209391992 U CN 209391992U
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- claw beam
- collet
- clamp handle
- gear
- biopsy
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Abstract
The utility model discloses via intranasal application approach nasopharynx biopsy naso-pharyngeal biopsy forceps, including left clamp handle, right clamp handle, left claw beam, right claw beam, left collet and right collet；Left collet and right collet pass through angle adjustment device respectively and connect with the left claw beam and the right claw beam；Left clamp handle and the articulated connection of right clamp handle, the end of right clamp handle is fixedly connected with left claw beam；The end of left clamp handle is articulated and connected by connecting rod and right claw beam；Guide channel is provided in left clamp handle；Right claw beam can move in the guide channel；The top of right claw beam is stretched out guide channel and is connect with right collet.The utility model structure is simple, pass through the setting of angle adjustment device, so that biopsy forceps is when entering nasal cavity, left collet and right collet are parallel with left claw beam and right claw beam, reduce the volume of biopsy forceps, to mitigate the pain sense of discomfort of patient when being placed in biopsy forceps, is placed in rear overhang angle degree regulating device, the angle for changing left and right clip head, facilitates collecting sample.
Description
Technical field
The utility model relates to technical field of medical equipment, and in particular to a kind of via intranasal application approach nasopharynx biopsy nasopharynx
Biopsy forceps.
Background technique
Pharynx nasalis biopsy is the confirmation nasopharynx lesion especially common method of nasopharyngeal malignant disease, due to China
It is one of nasopharyngeal carcinoma hotspot, therefore, in clinical position must be familiar with the dissection of pharynx nasalis and the inspection of masopharyngeal mirror, grasps nose
The method for swallowing biopsy.
The method of nasopharynx biopsy includes per os nasopharynx biopsy and via intranasal application approach nasopharynx biopsy.Via intranasal application way
Diameter nasopharynx biopsy except it is pharyngeal make by spraying nasopharyngeal cavity table fiber crops in addition to, also need to make surface anesthesia in nasal cavity, it is then that naso-pharyngeal biopsy forceps is straight
It is connected to Ipsilateral prenaris and stretches to pharynx nasalis, to prospective tumor direction, sting and take biopsy.It is also by nasal cavity way using direct masopharyngeal mirror person
Diameter is to reach nasopharyngeal cavity.When chance concha hypertrophy or the partially bent obstruction biopsy forceps of interval or mirror tube enter, it can take the circumstances into consideration first with 1% ephedrine liquid
It is carried out again after convergence concha and mucous membrane.
For the naso-pharyngeal biopsy forceps that clinically via intranasal application approach nasopharynx biopsy uses at present there are two types of type, one kind is male-type
Front end, this seed type is because of front end protrusion, and patient has pain sense of discomfort when into nasal cavity, if patient's rhinostenosis, variation
Or deformity, will cause cannot be introduced into or pain can not endure；One kind is straight type front end, patient pain when this seed type enters nasal cavity
Sense of discomfort is lighter, but after reaching nasopharyngeal cavity, operability is relatively poor, and the more inclined tumour in position is not easy to clamp.
Utility model content
The technical problem to be solved by the present invention is to provide via intranasal application approach nasopharynx biopsy naso-pharyngeal biopsy forceps, can
Feeling of pain when mitigating biopsy forceps insertion nasal cavity does not influence to enter the later operability of nasopharyngeal cavity again.
In order to solve the above technical problems, the utility model adopts the following technical scheme: via intranasal application approach nasopharynx biopsy is used
Naso-pharyngeal biopsy forceps, including left clamp handle, right clamp handle, left claw beam, right claw beam, left collet and right collet；The left collet and described
Right collet pass through angle adjustment device respectively and connect with the left claw beam and the right claw beam；The left clamp handle and the right side
Clamp handle articulated connection, the end of the right clamp handle is fixedly connected with the left claw beam；The end of the left clamp handle passes through connecting rod
It is articulated and connected with the right claw beam；Guide channel is provided in the left claw beam；The right claw beam can be along the guiding
It is moved in channel；The top of right claw beam is stretched out guide channel and is connect with right collet；
The angle adjustment device includes first gear, second gear, rack gear and rocker arm；The left clamp handle and described
Right clamp handle in be provided with movable passageway, the rack gear is set in the movable passageway by locating guide device,
And it can be moved up and down in the movable passageway；The first gear and second gear is respectively arranged at the movement
The upper and lower part in channel；The rack gear is engaged with the first gear and second gear；The left collet and described
Right collet on be symmetrically arranged with linking arm；The first gear is fixedly connected by shaft one with the linking arm；Institute
Shaft one is stated to be flexibly connected with the left claw beam or right claw beam；The second gear is fixedly connected with shaft two；Described
Shaft two is flexibly connected with the left claw beam or right claw beam, and one end of shaft two is fixedly connected with rocker arm.
Further, the locating guide device includes that the guide groove of movable passageway side wall is arranged in and is arranged in gear
The guiding at the back side is convex.
Further, positioning disk is fixedly installed on the rocker arm, be provided on the left claw beam or right claw beam with
The matched positioning shaft sleeve of positioning disk, the positioning disk rotate in the positioning shaft sleeve；It is provided on the positioning disk
First positioning card convex；There are two location holes, the positioning hole to be arranged by adjustable spring for setting on the positioning shaft sleeve
There is the second positioning card convex.
The utility model has the beneficial effects that the utility model structure is simple, by the setting of angle adjustment device, so that living
For inspection pincers when entering nasal cavity, left and right clip head is parallel with left claw beam and right claw beam, reduces the volume of biopsy forceps, sets to mitigate
Enter feeling of pain when biopsy forceps, be placed in rear overhang angle degree regulating device, changes the angle of left and right clip head, facilitate acquisition sample
This.
Detailed description of the invention
In order to more clearly illustrate the technical scheme in the embodiment of the utility model, will make below to required in embodiment
Attached drawing is simply introduced, it should be apparent that, the accompanying drawings in the following description is only some realities recorded in the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the cross-sectional view of left claw beam.
Fig. 3 is the connection schematic diagram of rocker arm and shaft two.
Fig. 4 is the structural schematic diagram of positioning disk and positioning shaft sleeve.
Specific embodiment
The technical solution of the utility model will be clearly and completely described by specific embodiment below.
As shown in Figure 1, for the via intranasal application approach nasopharynx biopsy naso-pharyngeal biopsy forceps of the utility model, including left clamp handle 1,
Right clamp handle 2, left claw beam 3, right claw beam 4, left collet 5 and right collet 6；The left collet 5 and the right collet 6 pass through respectively
Angle adjustment device is connect with the left claw beam 3 and the right claw beam 4；The left clamp handle 1 and right clamp handle 2 hingedly connects
It connects, the end of the right clamp handle 2 is fixedly connected with the left claw beam 3；The end of the left clamp handle 1 by connecting rod 11 with it is described
Right claw beam 4 be articulated and connected；Guide channel 31 is provided in the left claw beam 3；The right claw beam 4 can be logical along the guiding
It is moved in road 31；The top of right claw beam 4 is stretched out guide channel 31 and is connect with right collet 6；
The angle adjustment device includes first gear 71, second gear 72, rack gear 73 and rocker arm 74；The left pincers
Movable passageway 75 is provided in bar 1 and the right claw beam 2, the rack gear 73 is set to described by locating guide device
Movable passageway 75 in, and can be moved up and down in the movable passageway 75；The first gear 71 and the second tooth
Wheel 72 is respectively arranged at the upper and lower part of the movable passageway 75；The rack gear 73 and the first gear 71 and second
Gear 72 engages；Linking arm 51 is symmetrically arranged on left collet 5 and the right collet 6；The first gear 71 is by turning
Axis 1 is fixedly connected with the linking arm 51；The shaft 1 is flexibly connected with the left claw beam 3 or right claw beam 4；
The second gear 72 is fixedly connected with shaft 2 77；The shaft 2 77 and 4 activity of left claw beam 3 or right claw beam
Connection, one end of shaft 2 77 is fixedly connected with rocker arm 74.
The locating guide device of the utility model includes that the guide groove 78 of movable passageway side wall is arranged in and is arranged in gear
The guiding at the back side convex 79.
It is fixedly installed positioning disk 741 on the rocker arm 74, is provided with and positions on the left claw beam or right claw beam
The matched positioning shaft sleeve 742 of disk, the positioning disk 741 rotate in the positioning shaft sleeve 742；The positioning disk 741
On be provided with locating groove 743；Setting is there are two location hole 744 on the positioning shaft sleeve 742, in the location hole 744
Adjustable spring 745 is provided with positioning card convex 746.By the cooperation of positioning disk and positioning shaft sleeve, there are two solid for rocker arm setting
Fixed point, the two fixed points keep left collet 5 and right collet 6 parallel with left claw beam or right claw beam or are a certain included angle, and are convenient for hand
Art operation.
When the utility model is used, by shaking rocker arm, rocker arm drives second gear rotation, and second gear rotates forward, rack gear
Rise in movable passageway, rack gear, which rises, drives first gear to rotate forward, and left collet 5 and right collet 6 are also clockwise around shaft one
Rotation, it is in a certain angle with left claw beam 3 or right claw beam 4；It is fixed when the angle that left collet 5 and the rotation of right collet 6 are needed to operation
Position card convex 746 and locating groove are clamped, and cross shake rocker arm, and rocker arm is not rotating；When needing to make left collet 5 and right collet 6 and left
When claw beam 3 or parallel right claw beam 4, opposite direction rotates rocker arm, and when the external force received is sufficiently large, positioning card convex 746 shakes off positioning
Comfortable, the reversed rotation counterclockwise of card slot, at this point, second gear rotates backward, rack gear in movable passageway under rise, risen under rack gear
First gear is driven to rotate backward, left collet 5 and right collet 6 are also rotated around shaft one counterclockwise, until with left claw beam 3 or the right side
Claw beam 4 is parallel, at this point, another positioning card convex 746 and locating groove are clamped.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical new to this
The conception and scope of type is defined, without departing from the design concept of the present utility model, ordinary skill skill in this field
Art personnel should all fall into the protection scope of the utility model to all variations and modifications that the technical solution of the utility model is made,
The claimed technology contents of the utility model, are all documented in technical requirements book.
Claims (3)
1. via intranasal application approach nasopharynx biopsy naso-pharyngeal biopsy forceps, it is characterised in that: including left clamp handle, right clamp handle, left claw beam, the right side
Claw beam, left collet and right collet；The left collet and the right collet pass through angle adjustment device and the left side respectively
Claw beam is connected with the right claw beam；The left clamp handle and the articulated connection of right clamp handle, the end of the right clamp handle and described
Left claw beam is fixedly connected；The end of the left clamp handle is articulated and connected by connecting rod and the right claw beam；It is set in the left clamp handle
It is equipped with guide channel；The right claw beam can move in the guide channel；The top of right claw beam stretch out guide channel with
Right collet connection；The angle adjustment device includes first gear, second gear, rack gear and rocker arm；The left clamp handle and
Movable passageway is provided in the right clamp handle, the rack gear is set to the movable passageway by locating guide device
It is interior, and can be moved up and down in the movable passageway；The first gear and second gear is respectively arranged at described
The upper and lower part of movable passageway；The rack gear is engaged with the first gear and second gear；The left collet and
Linking arm is symmetrically arranged on the right collet；The first gear connects by the way that shaft one and the linking arm are fixed
It connects；The shaft one is flexibly connected with the left claw beam or right claw beam；The second gear is fixedly connected with shaft two；Institute
The shaft two stated is flexibly connected with the left claw beam or right claw beam, and one end of shaft two is fixedly connected with rocker arm.
2. via intranasal application approach nasopharynx biopsy naso-pharyngeal biopsy forceps according to claim 1, it is characterised in that: described determines
Position guiding device includes that the guide groove that movable passageway side wall is arranged in and the guiding that the gear back side is arranged in are convex.
3. via intranasal application approach nasopharynx biopsy naso-pharyngeal biopsy forceps according to claim 1, it is characterised in that: described shakes
Positioning disk is fixedly installed on arm, be provided on the left claw beam or right claw beam with the matched positioning shaft sleeve of positioning disk, it is described
Positioning disk rotated in the positioning shaft sleeve；The first positioning card convex is provided on the positioning disk；The locating shaft
Setting is put on there are two location hole, the positioning hole is provided with the second positioning card convex by adjustable spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820309900.8U CN209391992U (en) | 2018-03-07 | 2018-03-07 | Via intranasal application approach nasopharynx biopsy naso-pharyngeal biopsy forceps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820309900.8U CN209391992U (en) | 2018-03-07 | 2018-03-07 | Via intranasal application approach nasopharynx biopsy naso-pharyngeal biopsy forceps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209391992U true CN209391992U (en) | 2019-09-17 |
Family
ID=67877393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820309900.8U Expired - Fee Related CN209391992U (en) | 2018-03-07 | 2018-03-07 | Via intranasal application approach nasopharynx biopsy naso-pharyngeal biopsy forceps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209391992U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113349871A (en) * | 2021-06-04 | 2021-09-07 | 桐庐洲济医疗器械有限公司 | Angle-adjustable clamp applying forceps with clamping head |
| CN113349872A (en) * | 2021-06-04 | 2021-09-07 | 桐庐洲济医疗器械有限公司 | Detachable clip applier |
-
2018
- 2018-03-07 CN CN201820309900.8U patent/CN209391992U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113349871A (en) * | 2021-06-04 | 2021-09-07 | 桐庐洲济医疗器械有限公司 | Angle-adjustable clamp applying forceps with clamping head |
| CN113349872A (en) * | 2021-06-04 | 2021-09-07 | 桐庐洲济医疗器械有限公司 | Detachable clip applier |
| CN113349871B (en) * | 2021-06-04 | 2022-07-05 | 桐庐洲济医疗器械有限公司 | Angle-adjustable clamp applying forceps with clamping head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190917 Termination date: 20210307 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |