CN114047019A - Pathological sampling knife - Google Patents
Pathological sampling knife Download PDFInfo
- Publication number
- CN114047019A CN114047019A CN202111264726.2A CN202111264726A CN114047019A CN 114047019 A CN114047019 A CN 114047019A CN 202111264726 A CN202111264726 A CN 202111264726A CN 114047019 A CN114047019 A CN 114047019A
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- Prior art keywords
- blade
- shell
- knife
- casing
- rod
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Knives (AREA)
Abstract
The invention discloses a pathological material taking knife, belongs to the technical field of medical instruments, and solves the problems that a blade of the material taking knife can scratch the skin of an operator and is easy to damage due to falling and impact.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly belongs to a pathological sampling knife.
Background
Pathology is the medical science which uses a natural science method to research the change of the etiology, pathogenesis, morphological structure, function, metabolism and the like of diseases and reveal the occurrence and development rules of the diseases, thereby clarifying the essence of the diseases. Pathology is not only a basic medical discipline, but also a discipline with strong practice and clinical properties.
Pathology need use the sword of drawing materials in research process often, at present, the pathology that uses clinically draws materials the sword and mainly comprises handle of a knife and blade, the sword of drawing materials is not timely after the use place very easy fish tail operating personnel's skin and cause the infection, and the sword of drawing materials may not take steadily and drop because operating personnel in the use, also may fish tail operating personnel at the in-process that the sword of drawing materials dropped, and the blade can damage because the striking ground that drops in addition, also waste the time of changing the blade when extravagant blade.
Disclosure of Invention
Aiming at the problems that the blade of a material taking knife in the prior art can scratch the skin of an operator and is easy to damage due to falling and impact, the invention provides a pathological material taking knife, which aims to solve the problems that: the protection device of a blade is arranged, the blade is protected immediately after the material taking knife is separated from the control of an operator, and the risk that the operator is scratched is avoided.
The technical scheme adopted by the invention is as follows:
the utility model provides a pathologic sampling sword, includes handle of a knife and the blade of being connected with the handle of a knife, the one end that the blade was kept away from to the handle of a knife is connected with the casing, the blade extends to outside the casing, be provided with the protection device that can pass out the casing and be used for protecting the blade in the casing.
By adopting the scheme, the shell is sleeved outside the knife handle, the protection device is arranged in the shell, the protection device can eject the shell to protect the blade outside the shell after the control of the material taking knife is lost by an operator, the blade can be protected from being damaged and the operator can be protected from being scratched at any time, and the use safety of the material taking knife and the service life of the blade are greatly increased.
Preferably, the handle of a knife sets up in the casing, the handle of a knife includes a fixed section of thick bamboo and the carriage release lever of cover in a fixed section of thick bamboo, the one end that the carriage release lever was kept away from to a fixed section of thick bamboo is connected with the casing, the one end that the fixed section of thick bamboo was kept away from to the carriage release lever is connected with the blade, be connected with the connecting rod on the carriage release lever, be provided with the locking means who restricts the connecting rod and remove on the connecting rod, be provided with the second that supplies connecting rod lateral shifting and lead to the groove on the casing.
Adopt above-mentioned scheme, the flexible of handle of a knife is realized in the removal of second through-slot to hand control connecting rod, and the blade consequently can stretch out the casing or place in the casing to through locking means with the rigidity of connecting rod, thereby realize the rigidity of blade, can shift out the casing with the blade as required or accomodate in the casing, avoid when not using the sword of drawing materials, the blade may fish tail operating personnel.
Preferably, the locking device comprises a fixing nut in threaded connection with the upper end of the connecting rod, the second through groove is provided with two fixing grooves, and the fixing grooves are matched with the fixing nut and used for fixing the blade after extending out of the shell and fixing the blade in the shell.
By adopting the scheme, the telescopic motion of the tool shank is limited by clamping and matching the screwing fixing nut and the fixing groove, so that the position of the blade is fixed.
Preferably, one end of the moving rod, which is far away from the fixed cylinder, is provided with a clamping plate, and the clamping plate is detachably connected with the blade.
By adopting the scheme, the blade can be detachably connected to the clamping plate, the blade is convenient to replace, and the cutting effect of the material taking knife is ensured.
Preferably, protection device is including setting up the guard plate in the blade both sides, end connection that the guard plate is located the casing has pressure spring and connecting wire, the one end that the guard plate was kept away from to pressure spring is connected with the baffle of fixed connection on the casing, be provided with the fixed pulley in the casing, the fixed pulley is located one side that pressure spring was kept away from to the baffle, the connecting wire runs through the baffle and winds on the fixed pulley and is connected with the slide bar, the slide bar is located the below of fixed pulley, be provided with the first logical groove that supplies slide bar lateral shifting on the casing.
By adopting the scheme, the protective plate is accommodated in the shell by pulling the connecting wire, the pressure spring is compressed at the same time, and the pressure spring ejects the protective plate out of the shell after the connecting wire does not pull the protective plate, so that the blade is protected; set up the wearing and tearing that the connecting wire can be reduced to the fixed pulley, also can change the direction of force of pulling the guard plate, can accomodate connecting wire pulling control guard plate and expose the blade and cut and draw materials when operating personnel holds the front end of casing with the hand, accords with operating personnel's operation custom.
Preferably, be provided with two at least sliders that are located the guard plate both ends on the guard plate, the slider is located same water flat line with pressure spring, be provided with on the inner wall that the casing is close to the guard plate with slider cooperation control guard plate moving direction's spout.
By adopting the scheme, the slide block and the slide groove are matched to ensure that the protection plate can be directly fed in and directly discharged out of the shell, so that the protection plate is prevented from being clamped in the shell to influence the protection performance; and the sliding block and the pressure spring are positioned on the same horizontal line, so that the abrasion of the sliding block can be reduced, and the service life of the protection plate is ensured.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the shell is sleeved on the outer side of the knife handle, the protection device is installed in the shell, the protection device can eject the blade out of the shell to protect the blade outside the shell after an operator loses control over the material taking knife, the blade can be protected from being damaged and protected from being scratched by the operator at any time, and the use safety of the material taking knife and the service life of the blade are greatly increased.
2. Hand control connecting rod removes the flexible of realizing the handle of a knife in the second through-slot, and the blade consequently can stretch out the casing or place in the casing to through the fixed position of locking means with the connecting rod, thereby realize the fixed position of blade, can shift out the casing with the blade as required or accomodate in the casing, avoid when not using the sword of drawing materials, the blade may fish tail operating personnel.
3. The telescopic motion of the knife handle is limited by clamping and matching the screwing fixing nut and the fixing groove, so that the position of the blade is fixed.
4. The blade can be dismantled and connect on the grip block, conveniently changes the blade, guarantees the cutting effect of the sword of drawing materials.
5. The protective plate is accommodated in the shell by pulling the connecting wire, the pressure spring is compressed at the same time, and the pressure spring ejects the protective plate out of the shell after the connecting wire does not pull the protective plate, so that the blade is protected; set up the wearing and tearing that the connecting wire can be reduced to the fixed pulley, also can change the direction of force of pulling the guard plate, can accomodate connecting wire pulling control guard plate and expose the blade and cut and draw materials when operating personnel holds the front end of casing with the hand, accords with operating personnel's operation custom.
6. The slide block and the slide groove are matched to ensure that the protection plate can be directly fed in and directly discharged out of the shell, so that the protection plate is prevented from being clamped in the shell to influence the protection performance; and the sliding block and the pressure spring are positioned on the same horizontal line, so that the abrasion of the sliding block can be reduced, and the service life of the protection plate is ensured.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a side sectional view of the present invention.
Fig. 2 is a schematic top view of the structure of fig. 1.
Fig. 3 is a schematic top view of the blade retraction housing of fig. 1.
Fig. 4 is a schematic perspective view of fig. 1.
Fig. 5 is a schematic view of the structure when the blade needs to be disassembled.
Description of the drawings: 1-a shell; 2-a knife handle; 3-a connecting rod; 4-fixing the nut; 5-clamping the plate; 6-a blade; 7-protection plate; 8-a slide block; 9-fixing the screw rod; 10-a first through slot; 11-a chute; 12-a connecting line; 13-a pressure spring; 14-a slide bar; 15-a baffle; 16-a fixed pulley; 17-a first outlet; 18-a second outlet; 19-a fixed groove; 20-a second through slot; 21-third through slot.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
The present invention will be described in detail with reference to fig. 1 to 5.
The first embodiment is as follows:
the utility model provides a pathologic sampling sword, includes handle of a knife 2 and the blade 6 of being connected with handle of a knife 2, the one end that blade 6 was kept away from to handle of a knife 2 is connected with casing 1, outside blade 6 extended to casing 1, be provided with in the casing 1 and wear out casing 1 and be used for protecting the protection device of blade 6.
The utility model discloses a cutting tool, including casing 1, handle of a knife 2, the setting of handle of a knife is in casing 1, handle of a knife 2 includes a fixed section of thick bamboo and the carriage release lever of cover in a fixed section of thick bamboo, the one end that the carriage release lever was kept away from to a fixed section of thick bamboo is connected with casing 1, the one end that the fixed section of thick bamboo was kept away from to the carriage release lever is connected with blade 6, be connected with connecting rod 3 on the carriage release lever, be provided with the locking means that restriction connecting rod 3 removed on the connecting rod 3, be provided with the second through-slot 20 that supplies connecting rod 3 lateral shifting on the casing 1.
The locking device comprises a fixing nut 4 which is in threaded connection with the upper end of the connecting rod 3, two fixing grooves 19 are formed in the second through groove 20, and the fixing grooves 19 are matched with the fixing nut 4 and are used for fixing the blade 6 after the blade 6 extends out of the shell 1 and fixing the blade 6 in the shell 1.
One end of the moving rod, which is far away from the fixed cylinder, is provided with a clamping plate 5, and the clamping plate 5 is detachably connected with the blade 6. The clamping plate 5 fixes the blade 6 on the clamping plate 5 by means of two fixing screws 9.
Protection device is including setting up the guard plate 7 in 6 both sides of blade, the end connection that guard plate 7 is located casing 1 has pressure spring 13 and connecting wire 12, the one end that guard plate 7 was kept away from to pressure spring 13 is connected with fixed connection baffle 15 on casing 1, be provided with fixed pulley 16 in the casing 1, fixed pulley 16 is located one side that pressure spring 13 was kept away from to baffle 15, connecting wire 12 runs through baffle 15 and winds on fixed pulley 16 and is connected with slide bar 14, slide bar 14 is located fixed pulley 16's below, be provided with the first logical groove 10 that supplies slide bar 14 lateral shifting on the casing 1. The number of turns of the connecting wire 12 wound on the fixed pulley 16 is less than one, so that the influence of the fixed pulley 16 on the normal triggering of the protection device caused by the clamping of the connecting wire 12 is avoided.
Be provided with two at least slider 8 that are located protection plate 7 both ends on the protection plate 7, slider 8 and compression spring 13 are located same water flat line, be provided with on the inner wall that casing 1 is close to protection plate 7 with slider 8 cooperation control protection plate 7 moving direction's spout 11.
In the first embodiment, in the initial state, the blade 6 is located in the housing 1 and the fixing nut 4 cooperates with the fixing slot 19 to fix the blade 6, and the protection plate 7 extends out of the housing 1. When pathological tissue needs to be sampled, the blade 6 needs to be moved out of the shell 1, and the specific operation steps are as follows: and (3) screwing the fixing nut 4 until the fixing nut 4 is far away from the first fixing groove 19, releasing the fixing of the blade 6, then moving the connecting rod 3 forwards in the second through groove 20, driving the cutter handle 2 to extend forwards by the connecting rod 3, finally penetrating the blade 6 out of the second outlet 18 at the end part of the shell 1, screwing the fixing nut 4 downwards when the connecting rod 3 reaches the position of the second fixing groove 19, clamping the fixing nut 4 in the fixing groove 19, and finishing the moving-out operation of the blade 6. During the removal of the blade 6, the blade 6 passes between two protection plates 7, the protection plates 7 protecting the blade 6 from damage and at the same time protecting the operator from scratches. Before cutting, the sliding rod 14 is moved by hand from the end far away from the blade 6 to the end close to the blade 6, in the process of moving the sliding rod 14, the connecting wire 12 connected with the sliding rod 14 pulls the protection plate 7 to move towards the inside of the shell 1, at the moment, the pressure spring 13 is compressed to provide force for the protection plate 7 to move towards the outside of the shell 1, and an operator should hold the sliding rod 14 during operation.
When an operator carelessly drops the material taking knife or needs to place the material taking knife, the hand loses control over the sliding rod 14, the pressure spring 13 rapidly ejects the protection plate 7 from the first outlet 17, and the sliding rod 14 is brought back to the initial position; the blade 6 is protected by a protective plate 7, the size of the protective plate 7 is larger than the size of the blade 6 in the size relationship shown in fig. 1, and the protective plate 7 prevents the blade 6 from striking the ground when falling and damaging or scratching an operator when falling on the body of the operator.
When the blade 6 needs to be replaced, the fixing nut 4 is screwed to be away from the second fixing groove 19, the connecting rod 3 is moved forward to reach the third through groove 21, the clamping plate 5 extends out of the second outlet 18 and exposes all the fixing screws 9, the fixing screws 9 are detached and new blades 6 are installed, and finally the connecting rod 3 is moved to reach the position of the first fixing groove 19 and is screwed with the fixing nut 4 to fix, so that the blades 6 are stored.
The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, without departing from the technical idea of the present application, several changes and modifications can be made, which are all within the protection scope of the present application.
Claims (6)
1. The utility model provides a pathologic sampling sword, includes handle of a knife (2) and blade (6) of being connected with handle of a knife (2), its characterized in that, the one end that blade (6) were kept away from in handle of a knife (2) is connected with casing (1), outside blade (6) extended to casing (1), be provided with in casing (1) and wear out casing (1) and be used for protecting the protection device of blade (6).
2. The pathologic sampling knife according to claim 1, wherein the knife handle (2) is arranged in the housing (1), the knife handle (2) comprises a fixed cylinder and a moving rod sleeved in the fixed cylinder, one end of the fixed cylinder, which is far away from the moving rod, is connected with the housing (1), one end of the moving rod, which is far away from the fixed cylinder, is connected with the blade (6), the moving rod is connected with the connecting rod (3), the connecting rod (3) is provided with a locking device for limiting the movement of the connecting rod (3), and the housing (1) is provided with a second through groove (20) for the connecting rod (3) to move transversely.
3. The pathologic sampling knife according to claim 2, wherein the locking device comprises a fixing nut (4) screwed on the upper end of the connecting rod (3), two fixing grooves (19) are arranged on the second through groove (20), and the fixing grooves (19) are matched with the fixing nut (4) for fixing the blade (6) after extending out of the shell (1) and fixing the blade (6) in the shell (1).
4. The pathologic sampling knife according to claim 2, wherein a clamping plate (5) is arranged at one end of the movable rod far away from the fixed cylinder, and the clamping plate (5) is detachably connected with the blade (6).
5. The pathological sampling knife according to claim 1, characterized in that the protection device comprises protection plates (7) arranged on both sides of the blade (6), the end part of the protection plate (7) positioned in the shell (1) is connected with a pressure spring (13) and a connecting wire (12), one end of the pressure spring (13) far away from the protection plate (7) is connected with a baffle plate (15) fixedly connected on the shell (1), a fixed pulley (16) is arranged in the shell (1), the fixed pulley (16) is positioned on one side of the baffle plate (15) far away from the pressure spring (13), the connecting line (12) penetrates through the baffle (15) and is wound on the fixed pulley (16) and is connected with the sliding rod (14), the sliding rod (14) is located below the fixed pulley (16), and a first through groove (10) for the sliding rod (14) to move transversely is arranged on the shell (1).
6. The pathologic sampling knife according to claim 5, wherein the protection plate (7) is provided with at least two sliding blocks (8) at two ends of the protection plate (7), the sliding blocks (8) and the pressure spring (13) are located on the same horizontal line, and the inner wall of the shell (1) close to the protection plate (7) is provided with a sliding groove (11) which is matched with the sliding blocks (8) to control the moving direction of the protection plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111264726.2A CN114047019A (en) | 2021-10-28 | 2021-10-28 | Pathological sampling knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111264726.2A CN114047019A (en) | 2021-10-28 | 2021-10-28 | Pathological sampling knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114047019A true CN114047019A (en) | 2022-02-15 |
Family
ID=80206380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111264726.2A Withdrawn CN114047019A (en) | 2021-10-28 | 2021-10-28 | Pathological sampling knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114047019A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3999290A (en) * | 1976-03-15 | 1976-12-28 | Wood Jess W | Safety knife |
| US20030216667A1 (en) * | 2000-09-11 | 2003-11-20 | Frank Viola | Biopsy system |
| JP2007236452A (en) * | 2006-03-06 | 2007-09-20 | Feather Safety Razor Co Ltd | Knife for medical use |
| US20120311869A1 (en) * | 2010-03-04 | 2012-12-13 | Feather Safety Razor Co., Ltd. | Cutter |
| CN208081247U (en) * | 2018-01-16 | 2018-11-13 | 杨惠英 | A kind of novel pathologic sampling knife of anti-scratch |
| CN208741030U (en) * | 2018-02-10 | 2019-04-16 | 隋友乐 | A kind of pathology department's sampling device |
| CN209332121U (en) * | 2018-12-20 | 2019-09-03 | 上海市第一人民医院 | The pathological material-drawing knife of high security |
| CN110254732A (en) * | 2019-08-01 | 2019-09-20 | 哈工大机器人（岳阳）军民融合研究院 | Aircraft air bag mounting device |
| CN211022796U (en) * | 2019-09-02 | 2020-07-17 | 四川大学华西医院 | Brain tumor sampling device |
| CN213197624U (en) * | 2020-09-08 | 2021-05-14 | 曲英红 | Paper-cutting tool |
-
2021
- 2021-10-28 CN CN202111264726.2A patent/CN114047019A/en not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3999290A (en) * | 1976-03-15 | 1976-12-28 | Wood Jess W | Safety knife |
| US20030216667A1 (en) * | 2000-09-11 | 2003-11-20 | Frank Viola | Biopsy system |
| JP2007236452A (en) * | 2006-03-06 | 2007-09-20 | Feather Safety Razor Co Ltd | Knife for medical use |
| US20120311869A1 (en) * | 2010-03-04 | 2012-12-13 | Feather Safety Razor Co., Ltd. | Cutter |
| CN208081247U (en) * | 2018-01-16 | 2018-11-13 | 杨惠英 | A kind of novel pathologic sampling knife of anti-scratch |
| CN208741030U (en) * | 2018-02-10 | 2019-04-16 | 隋友乐 | A kind of pathology department's sampling device |
| CN209332121U (en) * | 2018-12-20 | 2019-09-03 | 上海市第一人民医院 | The pathological material-drawing knife of high security |
| CN110254732A (en) * | 2019-08-01 | 2019-09-20 | 哈工大机器人（岳阳）军民融合研究院 | Aircraft air bag mounting device |
| CN211022796U (en) * | 2019-09-02 | 2020-07-17 | 四川大学华西医院 | Brain tumor sampling device |
| CN213197624U (en) * | 2020-09-08 | 2021-05-14 | 曲英红 | Paper-cutting tool |
Non-Patent Citations (3)
| Title |
|---|
| MILLER, CHARLES EDWARD: "Methods of tissue extraction in advanced laparoscopy", 《CURRENT OPINION IN OBSTETRICS AND GYNECOLOGY》, vol. 13, no. 4, pages 399 - 405 * |
| 上海市肿瘤医院: "CO2激光治疗良恶性肿瘤的初步临床研究", 《激光》, no. 6, pages 6 - 12 * |
| 段树军 等: "基于宏程序的多头锯齿形螺纹加工程序应用", 《科技视界》, vol. 26, pages 87 * |
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Application publication date: 20220215 |
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