CN209863912U - Variable grabbing angle mechanism of biopsy forceps - Google Patents
Variable grabbing angle mechanism of biopsy forceps Download PDFInfo
- Publication number
- CN209863912U CN209863912U CN201821728251.1U CN201821728251U CN209863912U CN 209863912 U CN209863912 U CN 209863912U CN 201821728251 U CN201821728251 U CN 201821728251U CN 209863912 U CN209863912 U CN 209863912U
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- biopsy forceps
- wall
- operating handle
- angle mechanism
- sliding
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Abstract
The utility model relates to the technical field of biopsy forceps, in particular to a variable grasping angle mechanism of biopsy forceps, which comprises an operating handle and a biopsy forceps body arranged at one end of the operating handle, wherein the outer wall of an installing head is provided with a knob, the inside of the installing head is provided with a driving wheel coaxially arranged with the knob, the outer surface of the driving wheel is provided with a traction steel wire, a rotating shaft is arranged in a hinged support, a stay cable is arranged in a sliding sleeve, one end of the inner wall of the sliding sleeve is provided with a first slider, the variable grasping angle mechanism of biopsy forceps drives the rotating shaft to rotate by the traction steel wire, so that the rotation of the hinged support is realized, the integral angle of the biopsy forceps can be rotated, the change of the angle of the biopsy forceps is realized, the position of the biopsy forceps is adjusted by the sliding of the stay cable, and then the rotation of, improving the treatment effect.
Description
Technical Field
The utility model relates to a biopsy forceps technical field specifically is variable angle mechanism that snatchs of biopsy forceps.
Background
Endoscopy is used more and more widely in clinical medical examinations as a method for assisting diagnosis, and biopsy forceps are indispensable tools for taking pathological specimens in endoscopy. The biopsy forceps can extend into the body of a patient through the endoscopic forceps channel to inspect the lesion part and clamp the lesion tissue.
Since the endoscopic jaw channel confines the biopsy forceps body to the endoscopic jaw channel, the angle change cannot be achieved by the forceps at the forefront of the biopsy forceps. The pathological tissue on the inner wall of the air passage is usually circular and very smooth, the forceps of the biopsy forceps are parallel to the air passage, and the forceps cannot grasp the pathological tissue and are very easy to slip. At this time, the forceps of the biopsy forceps need to be adjusted to form a certain angle with the airway, even a vertical angle, so that the forceps have the best clamping effect. In view of this, we propose a biopsy forceps variable grasping angle mechanism.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a variable angle mechanism that snatchs of biopsy forceps to the change of the difficult realization angle of biopsy forceps who proposes in solving above-mentioned background art leads to the problem of the unable and pathological change tissue contact that is located the endoscope pincers way perisporium outside of biopsy forceps head.
In order to achieve the above object, the utility model provides a following technical scheme:
the variable grabbing angle mechanism of the biopsy forceps comprises an operating handle and a biopsy forceps body arranged at one end of the operating handle, a second chute is formed in one side of the outer wall of the operating handle, an installing head is installed at the top of the operating handle, a knob is installed on the outer wall of the installing head, a driving wheel coaxially installed with the knob is arranged inside the installing head, a plurality of protruding teeth are arranged on an annular array of the outer wall of the installing head, traction steel wires are installed on the outer surface of the driving wheel, the biopsy forceps body comprises an outer sheath tube, a hinged support is arranged at one end of the outer sheath tube, a rotating shaft is installed in the hinged support, an outer tube is arranged at the other end of the hinged support, and biopsy forceps are arranged at the top.
Preferably, one end of the drawing steel wire is wound on the outer wall of the driving wheel in an annular mode, and the other end of the drawing steel wire is wound on the outer wall of the rotating shaft in an annular mode.
Preferably, the outer sheath tube is a hollow structure with two open ends.
Preferably, a first chute has been seted up to operating handle's outer wall opposite side, operating handle's surface cover is equipped with the sliding sleeve, the both ends of sliding sleeve all are provided with the operating ring, operating handle's bottom is provided with the connector, the protective sheath is installed to the bottom of connector, install the cable in the sliding sleeve.
Preferably, one end of the inhaul cable is fixedly adhered to the hinged support.
Preferably, a first sliding block is arranged at one end of the inner wall of the sliding sleeve, a second sliding block is arranged at the other end of the inner wall of the sliding sleeve, and a groove is formed in the outer wall of the second sliding block.
Preferably, the first sliding block is in sliding fit with the first sliding groove, and the second sliding block is in sliding fit with the second sliding groove.
Compared with the prior art, the beneficial effects of the utility model are that:
1. this variable angle mechanism that snatchs of biopsy forceps, tractive steel wire pulling pivot and drive the pivot and rotate, and then realize the rotation of free bearing, can make the holistic angle of biopsy forceps rotate to realize the change of biopsy forceps angle.
2. The variable grabbing angle mechanism of the biopsy forceps has the advantages that the stay cable slides and simultaneously drives the biopsy forceps to be adjusted in position, and then the rotation of the hinged support is combined, so that the biopsy forceps can be conveniently contacted with lesion tissues on the outer side of the peripheral wall of the forceps channel of the endoscope, and the treatment effect is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a structure of one side of the operating handle of the present invention;
fig. 3 is an enlarged view of the structure at a in fig. 1 according to the present invention;
FIG. 4 is a schematic view of the other side of the handle of the present invention;
fig. 5 is a sectional view of the sliding sleeve structure of the present invention.
In the figure: 1. an operating handle; 11. a connector; 12. a protective sleeve; 13. a first chute; 14. a sliding sleeve; 141. a first slider; 142. a cable; 143. a second slider; 144. a groove; 15. an operating ring; 16. a second chute; 17. a mounting head; 18. a knob; 19. protruding teeth; 110. a driving wheel; 111. drawing the steel wire; 2. a biopsy forceps body; 21. an outer sheath tube; 22. hinging seat; 23. a rotating shaft; 24. an outer tube; 25. a biopsy forceps.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Example 1
A variable grasping angle mechanism of biopsy forceps is shown in figures 1 and 2 and comprises an operating handle 1 and a biopsy forceps body 2 arranged at one end of the operating handle 1, wherein one side of the outer wall of the operating handle 1 is provided with a second chute 16, the top of the operating handle 1 is provided with an installing head 17, the outer wall of the installing head 17 is provided with a knob 18, the inside of the installing head 17 is provided with a driving wheel 110 coaxially arranged with the knob 18, the outer wall of the installing head 17 is annularly arrayed with a plurality of protruding teeth 19, the outer surface of the driving wheel 110 is provided with a traction steel wire 111, the biopsy forceps body 2 comprises an outer sheath tube 21, one end of the outer sheath tube 21 is provided with a hinged support 22, a rotating shaft 23 is arranged in the hinged support 22, the other end of the hinged support 22 is provided with an outer tube 24, the top of the outer tube 24 is provided with a biopsy forceps 25, one end of, the sheath 21 has a hollow structure with both ends open.
In this embodiment, the rotating shaft 23 is in transmission connection with the transmission wheel 110 through the traction steel wire 111, and the transmission wheel 110 can drive the rotating shaft 23 to rotate, so as to adjust the angle of the biopsy forceps 25.
Further, the outer tube 24 is made of a flat spring, and the material thereof has good elasticity and toughness, so that the outer tube 24 can be bent conveniently.
Specifically, the pulling wire 111 and the sheath 21 are slidably engaged, so that the pulling wire 111 can slide in the sheath 21, and further, the angle can be adjusted.
Example 2
As a second embodiment of the present invention, in order to adjust the position of the biopsy forceps 25, the structure of the operating handle 1 is improved by the present invention, as a preferred embodiment, as shown in fig. 3 and fig. 4, a first sliding groove 13 is disposed on the other side of the outer wall of the operating handle 1, a sliding sleeve 14 is sleeved on the outer surface of the operating handle 1, both ends of the sliding sleeve 14 are provided with operating rings 15, the bottom of the operating handle 1 is provided with a connector 11, a protecting sleeve 12 is mounted at the bottom of the connector 11, a cable 142 is mounted in the sliding sleeve 14, and one end of the cable 142 is fixed to the hinged support 22 by adhesion.
In this embodiment, the operating ring 15 is arc-shaped, so that the operator can hold the operating ring conveniently and push the sliding sleeve 14.
Further, protective sheath 12 adopts medical silica gel material to make, and its material environmental protection is nontoxic, and has good elasticity, can carry out certain protection to cable 142.
Specifically, the pull cable 142 passes through the sheath tube 21, and the pull cable 142 is slidably engaged with the sheath tube 21, so that the position of the whole biopsy forceps 25 can be adjusted by changing the length of the pull cable 142.
Example 3
As a third embodiment of the present invention, in order to facilitate the sliding of the sliding sleeve 14 on the operating handle 1, the structure of the sliding sleeve 14 is improved by the present inventors, as a preferred embodiment, as shown in fig. 5, one end of the inner wall of the sliding sleeve 14 is provided with a first slider 141, the other end of the inner wall of the sliding sleeve 14 is provided with a second slider 143, the outer wall of the second slider 143 is provided with a groove 144, the first slider 141 is in sliding fit with the first sliding groove 13, and the second slider 143 is in sliding fit with the second sliding groove 16.
In this embodiment, the pulling cable 142 and the first sliding block 141 are fixed in an adhesion manner, and the pulling cable 142 is driven to move by the movement of the sliding sleeve 14.
Further, the diameter of the groove 144 is greater than the diameter of the puller wire 111 such that the puller wire 111 can slide within the groove 144.
The utility model discloses a variably snatch angle mechanism of biopsy forceps is when carrying out the angle modulation, it is rotatory to drive the inside drive wheel 110 of installation head 17 through rotatory knob 18, for the convenience to twist rotary knob 18, as preferred, still be provided with a plurality of salient tooth 19 on knob 18, because drive wheel 110 and pivot 23 are connected through tractive steel wire 111 transmission, when drive wheel 110 rotates, tractive steel wire 111 stimulates pivot 23 and drives pivot 23 and rotate, and then realize the rotation of free bearing 22, because connect biopsy forceps 25 through outer tube 24 on the free bearing 22, when free bearing 22 rotated, can make the holistic angle of biopsy forceps 25 rotate, thereby realize the change of biopsy forceps 25 angle;
the utility model discloses a variable angle mechanism that snatchs of biopsy forceps is when carrying out position control, handheld operating ring 15 promotes sliding sleeve 14, make sliding sleeve 14 slide in first spout 13 through first slider 141, realize sliding sleeve 14 and slide on operating handle 1, because cable 142 connects on first slider 141, when sliding sleeve 14 slides on operating handle 1, first slider 141 stimulates cable 142, and make cable 142 slide in outer sheath pipe 21, and cable 142's the other end is connected with biopsy forceps 25 through free bearing 22, drive the regulation of biopsy forceps 25 position in cable 142 gliding, the rotation of reunion free bearing 22, be convenient for biopsy forceps 25 with be located the endoscope pincers way perisporium outside lesion tissue contact, improve treatment.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A variable grabbing angle mechanism of biopsy forceps comprises an operating handle (1) and a biopsy forceps body (2) installed at one end of the operating handle (1), and is characterized in that a second sliding groove (16) is formed in one side of the outer wall of the operating handle (1), an installing head (17) is installed at the top of the operating handle (1), a knob (18) is installed on the outer wall of the installing head (17), a driving wheel (110) coaxially installed with the knob (18) is arranged inside the installing head (17), a plurality of protruding teeth (19) are arranged on an annular array of the outer wall of the installing head (17), a traction steel wire (111) is installed on the outer surface of the driving wheel (110), the biopsy forceps body (2) comprises an outer sheath tube (21), a hinged support (22) is arranged at one end of the outer sheath tube (21), and a rotating shaft (23) is installed in the hinged support (22), the other end of the hinged support (22) is provided with an outer tube (24), and the top of the outer tube (24) is provided with a biopsy forceps (25).
2. The biopsy forceps variable grasping angle mechanism of claim 1, wherein: one end of the drawing steel wire (111) is annularly wound on the outer wall of the driving wheel (110), and the other end of the drawing steel wire (111) is annularly wound on the outer wall of the rotating shaft (23).
3. The biopsy forceps variable grasping angle mechanism of claim 1, wherein: the outer sheath tube (21) is a hollow structure with two open ends.
4. The biopsy forceps variable grasping angle mechanism of claim 1, wherein: first spout (13) have been seted up to the outer wall opposite side of operating handle (1), the surface cover of operating handle (1) is equipped with sliding sleeve (14), the both ends of sliding sleeve (14) all are provided with operating ring (15), the bottom of operating handle (1) is provided with connector (11), protective sheath (12) are installed to the bottom of connector (11), install cable (142) in sliding sleeve (14).
5. The biopsy forceps variable grip angle mechanism of claim 4, wherein: one end of the pull cable (142) is fixedly adhered to the hinged support (22).
6. The biopsy forceps variable grip angle mechanism of claim 4, wherein: a first sliding block (141) is arranged at one end of the inner wall of the sliding sleeve (14), a second sliding block (143) is arranged at the other end of the inner wall of the sliding sleeve (14), and a groove (144) is formed in the outer wall of the second sliding block (143).
7. The biopsy forceps variable grip angle mechanism of claim 6, wherein: the first sliding block (141) is in sliding fit with the first sliding groove (13), and the second sliding block (143) is in sliding fit with the second sliding groove (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821728251.1U CN209863912U (en) | 2018-10-24 | 2018-10-24 | Variable grabbing angle mechanism of biopsy forceps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821728251.1U CN209863912U (en) | 2018-10-24 | 2018-10-24 | Variable grabbing angle mechanism of biopsy forceps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209863912U true CN209863912U (en) | 2019-12-31 |
Family
ID=68946256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821728251.1U Expired - Fee Related CN209863912U (en) | 2018-10-24 | 2018-10-24 | Variable grabbing angle mechanism of biopsy forceps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209863912U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112370089A (en) * | 2020-11-16 | 2021-02-19 | 江苏安德瑞医疗器械配件有限公司 | Hook type biopsy forceps with self-correcting function |
| CN113509227A (en) * | 2021-06-09 | 2021-10-19 | 吉林大学 | Intestinal anastomat under scope |
-
2018
- 2018-10-24 CN CN201821728251.1U patent/CN209863912U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112370089A (en) * | 2020-11-16 | 2021-02-19 | 江苏安德瑞医疗器械配件有限公司 | Hook type biopsy forceps with self-correcting function |
| CN113509227A (en) * | 2021-06-09 | 2021-10-19 | 吉林大学 | Intestinal anastomat under scope |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 Termination date: 20211024 |