CN219803762U - Gun type pliers - Google Patents
Gun type pliers Download PDFInfo
- Publication number
- CN219803762U CN219803762U CN202321207008.6U CN202321207008U CN219803762U CN 219803762 U CN219803762 U CN 219803762U CN 202321207008 U CN202321207008 U CN 202321207008U CN 219803762 U CN219803762 U CN 219803762U
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- rod section
- section
- push
- gun
- push rod
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- 210000000080 chela (arthropods) Anatomy 0.000 claims abstract description 3
- 238000005452 bending Methods 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 210000000988 bone and bone Anatomy 0.000 abstract description 24
- 238000000034 method Methods 0.000 abstract description 7
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 abstract description 2
- 238000010168 coupling process Methods 0.000 abstract description 2
- 238000005859 coupling reaction Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 241000283984 Rodentia Species 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 208000028389 Nerve injury Diseases 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000008764 nerve damage Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
Gun-type pincers relate to centre gripping apparatus technical field, including grab handle and the push-and-pull handle of articulated setting, the push-and-pull handle includes the pull rod section and the rigid coupling is in the push rod section of pull rod section front end, and the push rod section is the arc setting, and the evagination end sets up towards the place ahead. The utility model solves the problems that when an operator in the minimally invasive technology operates the bone forceps by hands, the contact area between fingers and a handle is limited, so that the influence of slip displacement easily occurs between the bone forceps main body and the palm in the process of opening and closing the bone forceps, and the stability of the bone forceps in the working process is influenced.
Description
Technical Field
The utility model relates to the technical field of clamping tools, in particular to gun-type pliers.
Background
In spine surgery, it is often necessary to remove some bone such as lamina and articular processes, and the bone is usually bitten or removed by tools such as lamina rongeur and bone knife. The bone knife can cut off more bone per operation, but the potential risk of causing nerve injury is slightly high; although the rongeur is safe, the bone removed by each time is few, and the efficiency is low.
With the advent of minimally invasive surgery, doctors do not cut skin and muscle in an open manner to reach the operation site, but establish a narrow channel to reach the operation site, bone bitten or resected each time is taken out through the channel, bone blocks which are chiseled by bone knives are not suitable taking out instruments, and the bone blocks are often required to be taken out after being bitten into small blocks by rongeurs, so that the operation efficiency is seriously affected.
The prior art discloses a CN210962187U patent, and the scheme includes movable blade, fixture block, transfer line, fixed axle, ring, fixed block, support spring leaf, anti-skidding line, rotor arm, dead lever, quiet sword and fixed slot. The beneficial effects of the utility model are as follows: the fixture block is made of stainless steel, two threaded through holes penetrating through the fixture block are formed in the fixture block, two corresponding threaded through holes are formed in the fixing groove, the fixture block is fixedly connected to the fixing groove through threaded holes of screws, the transmission rod is made of metal materials, the right end of the transmission rod is provided with a fixing lug, the top end of the rotating arm is also provided with a fixing lug, the two fixing lugs are fixedly connected through a rotating shaft, the supporting spring pieces are of stainless steel sheet structures, the narrower one end of the supporting spring pieces are provided with the through holes, the two supporting spring pieces are arranged in total, the tail portions of the supporting spring pieces are fixed on the scissor arms through the fixing blocks, the anti-skidding patterns are of metal fixture block structures, the surface of the anti-skidding metal fixture block structures is wrapped with paper rings made of one layer of frosted materials, the fixing rod is made of anti-corrosion materials, and the inside of the fixing rod is provided with a clamping groove.
The prior devices, including the above patents, gradually expose the disadvantages of the technology with use, mainly in the following aspects:
many medical pliers are designed with ring handles, so that when an operator holds the bone pliers, the contact area between fingers and the handles is limited, and the influence of slip displacement easily occurs between the main body of the bone pliers and the palm in the process of opening and closing the bone pliers, so that the stability of the bone pliers in the working process is influenced.
In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model solves the problems that when an operator in the prior art holds the bone forceps, the contact area between fingers and a handle is limited, so that the influence of slip displacement easily occurs between a bone forceps main body and a palm in the process of opening and closing the bone forceps, and the stability of the bone forceps in the working process is influenced.
In order to solve the problems, the utility model provides the following technical scheme:
gun type pincers, including grab handle and the push-and-pull handle of articulated setting, the push-and-pull handle includes pull rod section and rigid coupling in the push rod section of pull rod section tip, the push rod section is the arc setting, and the evagination end sets up towards the place ahead.
As an optimized scheme, the upper end part of the push rod section is fixedly connected with the front end wall of the pull rod section, and an avoidance channel is arranged between the lower end part of the push rod section and the pull rod section.
As an optimized scheme, the lower end part of the push rod section is sleeved with a flexible sleeve.
As an optimized scheme, a protruding limiting section is arranged on the side wall of the pull rod section, which faces the lower end part of the push rod section.
As an optimized scheme, the lower end part of the push rod section is provided with a necking insertion section, and the flexible sleeve is inserted on the necking insertion section.
As an optimized solution, the outer surface of the flexible sleeve is flush with the outer surface of the push rod segment.
As an optimized scheme, the grab handle is provided with a bending section, and the grab handle is sleeved through the bending section.
As an optimized scheme, the upper end part of the grab handle is fixedly connected with a fixed clamp rod, the upper end part of the fixed clamp rod is slidably provided with a movable clamp rod, the front end part of the fixed clamp rod is provided with a fixed clamp mouth fixedly arranged and a movable clamp mouth hinged with the fixed clamp mouth, and the movable clamp rod drives the movable clamp mouth to swing through a driving structure.
As an optimized scheme, an arc-shaped driving hole is formed in the movable clamp mouth, and a driving protruding portion constrained in the arc-shaped driving hole is fixedly connected to the front end portion of the movable clamp rod.
As an optimized scheme, the upper end part of the fixed clamp rod is fixedly connected with a guide protruding part which is arranged in a T shape in parallel, and the lower end part of the movable clamp rod is provided with a guide groove which is matched with the guide protruding part.
As an optimized scheme, the hinged end of the push-pull handle drives the movable clamp rod to slide back and forth through the driving structure.
As an optimized scheme, the driving structure comprises a driving shaft fixed at the tail part of the movable clamp rod, a swinging plate arranged in a swinging way is fixedly connected at the hinged end of the pressing handle, a driving sliding groove is formed in the swinging plate, and the driving shaft is restrained in the driving sliding groove.
Compared with the prior art, the utility model has the beneficial effects that:
the pliers handle is designed into a pistol type, and the grab handle is held by a middle finger and a ring finger, so that the contact stress area with the grab handle is increased, and the hand holding is stable and firm; the push-pull handle is controlled by the index finger, and the index finger is clamped and limited by the flexible sleeve, so that when the index finger is used for pushing the push-pull handle, the movable clamp mouth is opened and closed accurately and stably, and the bone is clamped by the region between the movable clamp mouth and the fixed clamp mouth by controlling the opening and closing of the movable clamp mouth, so that the operation is more accurate.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a three-dimensional structure of the present utility model;
fig. 3 is a schematic structural view of an arc-shaped driving hole of the present utility model.
In the figure: 1-grab handles; 2-a pull rod section; 3-a pushrod segment; 4-a protruding limiting section; 5-soft sleeve; 6-bending sections; 7-a handle; 8-fixing a clamp rod; 9-a movable clamp bar; 10-swinging plates; 11-a drive shaft; 12-guiding protrusions; 13-a guide groove; 14-fixing the clamp mouth; 15-movable clamp mouth; 16-arc-shaped drive holes; 17-drive lugs.
Detailed Description
Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.
As shown in fig. 1 to 3, the gun-type pliers comprise a grab handle 1 and a push-pull handle which are hinged, wherein the push-pull handle comprises a pull rod section 2 and a push rod section 3 fixedly connected to the front end part of the pull rod section 2, the push rod section 3 is in an arc shape, and the outer convex end of the push rod section is arranged towards the front.
The upper end of the push rod section 3 is fixedly connected with the front end wall of the pull rod section 2, and an avoidance channel is arranged between the lower end of the push rod section 3 and the pull rod section 2.
The lower end of the push rod section 3 is sleeved with a flexible sleeve 5.
The side wall of the pull rod section 2 facing the lower end part of the push rod section 3 is provided with a convex limiting section 4.
The lower end of the push rod section 3 is provided with a necking insertion section, and the flexible sleeve 5 is inserted on the necking insertion section.
The outer surface of the flexible sleeve 5 is flush with the outer surface of the push rod segment 3.
The grab handle 1 is provided with a bending section 6, and a handle 7 is sleeved on the grab handle through the bending section 6.
The upper end part of the grab handle 1 is fixedly connected with a fixed clamp rod 8, the upper end part of the fixed clamp rod 8 is slidably provided with a movable clamp rod 9, the front end part of the fixed clamp rod 8 is provided with a fixed clamp mouth 14 fixedly arranged and a movable clamp mouth 15 hinged with the fixed clamp mouth 14, and the movable clamp rod 9 drives the movable clamp mouth 15 to swing through a driving structure.
The movable clamp mouth 15 is provided with an arc-shaped driving hole 16, and the front end part of the movable clamp rod 9 is fixedly connected with a driving protruding part 17 restrained in the arc-shaped driving hole 16.
The upper end part of the fixed clamp rod 8 is fixedly connected with a guide protruding part 12 which is arranged in a T shape in parallel, and the lower end part of the movable clamp rod 9 is provided with a guide groove 13 which is matched with the guide protruding part 12.
The hinged end of the push-pull handle drives the movable clamp rod 9 to slide back and forth through the driving structure.
The driving structure comprises a driving shaft 11 fixed at the tail part of the movable clamp rod 9, a swinging plate 10 arranged in a swinging way is fixedly connected to the hinged end of the pressing handle, a driving sliding groove is formed in the swinging plate 10, and the driving shaft 11 is restrained in the driving sliding groove.
The working principle of the device is as follows:
the pliers handle is designed into a pistol type, the grab handle 1 is held by a middle finger and a ring finger, and the contact stressed area with the grab handle 1 is increased, so that the hand holding is stable and firm; the push-pull handle is controlled by the index finger and combines the flexible sleeve 5 to clamp the index finger for limiting, so that when the index finger is used for pushing the push-pull handle, the movable clamp mouth 15 is more flexible, the movable clamp mouth 15 is accurate and stable to open and close, and the bone is clamped by the area between the movable clamp mouth 15 and the fixed clamp mouth 14 by controlling the opening and closing of the movable clamp mouth 15, so that the operation is more accurate.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.
Claims (9)
1. Gun type pincers, its characterized in that: comprises a grab handle (1) and a push-pull handle which are hinged, wherein the push-pull handle comprises a pull rod section (2) and a push rod section (3) fixedly connected with the front end part of the pull rod section (2), the push rod section (3) is arranged in an arc shape, the convex end of the push rod section is arranged towards the front,
the upper end of the push rod section (3) is fixedly connected with the front end wall of the pull rod section (2), and an avoidance channel is arranged between the lower end of the push rod section (3) and the pull rod section (2).
2. Gun-shaped pliers as claimed in claim 1 wherein: the lower end part of the push rod section (3) is sleeved with a flexible sleeve (5).
3. Gun-shaped pliers as claimed in claim 1 wherein: the side wall of the pull rod section (2) facing the lower end part of the push rod section (3) is provided with a protruding limiting section (4).
4. Gun-shaped pliers as claimed in claim 2 wherein: the lower end part of the push rod section (3) is provided with a necking insertion section, and the flexible sleeve (5) is inserted on the necking insertion section.
5. Gun-shaped pliers as claimed in claim 2 wherein: the outer surface of the flexible sleeve (5) is flush with the outer surface of the push rod section (3).
6. Gun-shaped pliers as claimed in claim 1 wherein: the grab handle (1) is provided with a bending section (6), and the grab handle (7) is sleeved by the bending section (6).
7. Gun-shaped pliers as claimed in claim 1 wherein: the fixed clamp rod (8) is fixedly connected to the upper end portion of the grab handle (1), the movable clamp rod (9) is slidably arranged at the upper end portion of the fixed clamp rod (8), a fixed clamp mouth (14) fixedly arranged and a movable clamp mouth (15) hinged to the fixed clamp mouth are arranged at the front end portion of the fixed clamp rod (8), and the movable clamp rod (9) drives the movable clamp mouth (15) to swing through a driving structure.
8. The gun-type pliers of claim 7, wherein: an arc-shaped driving hole (16) is formed in the movable clamp nozzle (15), and a driving protruding portion (17) restrained in the arc-shaped driving hole (16) is fixedly connected to the front end portion of the movable clamp rod (9).
9. The gun-type pliers of claim 7, wherein: the hinged end of the push-pull handle drives the movable clamp rod (9) to slide back and forth through a driving structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321207008.6U CN219803762U (en) | 2023-05-18 | 2023-05-18 | Gun type pliers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321207008.6U CN219803762U (en) | 2023-05-18 | 2023-05-18 | Gun type pliers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219803762U true CN219803762U (en) | 2023-10-10 |
Family
ID=88217644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321207008.6U Active CN219803762U (en) | 2023-05-18 | 2023-05-18 | Gun type pliers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219803762U (en) |
-
2023
- 2023-05-18 CN CN202321207008.6U patent/CN219803762U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant |