CN112472153A - Disposable biopsy forceps that multi-angle was adjusted - Google Patents
Disposable biopsy forceps that multi-angle was adjusted Download PDFInfo
- Publication number
- CN112472153A CN112472153A CN202011468019.0A CN202011468019A CN112472153A CN 112472153 A CN112472153 A CN 112472153A CN 202011468019 A CN202011468019 A CN 202011468019A CN 112472153 A CN112472153 A CN 112472153A
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- connecting rod
- gear
- rack
- ring
- hinged
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- 238000001574 biopsy Methods 0.000 title claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 29
- 239000010959 steel Substances 0.000 claims abstract description 29
- 230000033001 locomotion Effects 0.000 claims description 5
- 239000003814 drug Substances 0.000 abstract 1
- 230000001575 pathological effect Effects 0.000 description 4
- 238000005070 sampling Methods 0.000 description 4
- 210000000080 chela (arthropods) Anatomy 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000036285 pathological change Effects 0.000 description 2
- 231100000915 pathological change Toxicity 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000010827 pathological analysis Methods 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 230000002485 urinary effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/04—Endoscopic instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/06—Biopsy forceps, e.g. with cup-shaped jaws
Abstract
The invention discloses a multi-angle adjustable disposable biopsy forceps which is characterized by comprising an operating handle, a forceps body, a forceps jaw and a traction steel wire, wherein one end of the traction steel wire is connected with the operating handle, the other end of the traction steel wire is connected with the forceps body, one end of the forceps body is connected with the operating handle, the other end of the forceps body is connected with the forceps jaw, and the forceps jaw is provided with a pair of forceps petals controlled to be opened and closed by a swing rod mechanism. The invention has simple structure and reasonable design of the connecting part, and the purpose of taking biopsy in medicine can be realized by the disposable biopsy forceps.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a multi-angle adjustable disposable biopsy forceps.
Background
The biopsy forceps are special instruments for collecting biopsy samples of digestive tract, respiratory tract, urinary system, etc. and providing them for pathological analysis. Biopsy forceps can stretch into a patient body through an endoscope channel, inspects a pathological change part, and takes pathological change tissues, and is more and more widely used in clinical medical examination, and the biopsy forceps are indispensable tools for taking pathological specimens in the endoscope examination.
Because the smaller pathological tissues are in different shapes and are very smooth in the body duct, the pathological tissues are not easy to observe when the traditional biopsy forceps are used for taking the tissues, and the pathological tissues can be obtained only by adjusting the sampling forceps to a proper angle. After traditional body sampling forceps inserted the health pipeline, the angle that the regulation was got is difficult for adjusting, can only be through the angle back of drawing out the adjustment nipper from endoscope pincers repeatedly, reentrant attempt pincers get the tissue, and the adjustment is wasted time and energy like this repeatedly, and the operation is inconvenient, causes the fish tail phenomenon of endoscope inner wall easily, and inspection time overlength has also increased patient's misery simultaneously.
Disclosure of Invention
The invention aims to solve the problems that the traditional sampling forceps are not suitable for adjusting the clamping angle, time and labor are wasted in adjustment, and the inner wall of an endoscope is easy to scratch due to inconvenient operation, and provides a multi-angle adjustable disposable biopsy sampling forceps.
The invention realizes the purpose through the following technical scheme: a disposable biopsy forceps with multi-angle adjustment comprises an operating handle, a forceps body, forceps and a traction steel wire, wherein one end of the traction steel wire is connected with the operating handle, the other end of the traction steel wire is connected with one end of the forceps body, the other end of the forceps body is connected with a jaw, and the jaw is provided with a pair of jaw flaps controlled to be opened and closed by a swing rod mechanism;
the operating handle comprises a pull ring, a guide rail, an upper sliding ring and a lower sliding ring, and the pull ring is fixedly connected with the guide rail; the upper slip ring and the lower slip ring are the same in structure, and a circular groove for mounting a planetary gear is arranged between the upper slip ring and the lower slip ring; the upper sliding ring and the lower sliding ring are sleeved on the guide rail and can move along the guide rail; the planetary gear comprises a sun gear, a planet gear and a driving gear ring, the driving gear ring is arranged on a circular groove between the upper sliding ring and the lower sliding ring, the planet gear and the sun gear are respectively arranged inside the driving gear ring, the inner ring of the driving gear ring is meshed with the planet gear, and the planet gear is meshed with the sun gear; one end of the traction steel wire is fixedly connected to the sun gear, when the driving gear ring rotates, the driving gear ring drives the planet gear to rotate through the meshing of the gears, the planet gear rotates to drive the sun gear to rotate through the meshing of the gears, and the sun gear is fixedly connected with the traction steel wire to drive the traction steel wire to rotate;
the clamp body comprises an outer sleeve, a spring reset mechanism, a stepped sleeve, a primary slide block swing rod mechanism and a gear rack mechanism;
the spring reset mechanism comprises a first spring tube and a second spring tube, a step sleeve is arranged between the first spring tube and the second spring tube, the step sleeve is a step type hollow cylinder with a large middle diameter and small diameters at two ends, the cylindrical parts with the small diameters at the two ends of the step sleeve are respectively sleeved in the first spring tube and the second spring tube, the large middle cylinder part of the step sleeve is axially positioned with the outer rings of the first spring tube and the second spring tube, the other end of the first spring tube is in contact with the outer sleeve, one end of the outer sleeve is welded at the bottom of the operating handle, and the other end of the outer sleeve is axially positioned with the first spring tube;
and the traction steel wire sequentially penetrates through the outer sleeve, the first spring tube, the stepped sleeve and the second spring tube after coming out of the slip ring of the operating handle and then is connected with the driving end of the first-stage slider swing mechanism.
The first-stage sliding block swinging mechanism comprises a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod and a swinging rod, wherein the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod form a complete plane four-bar mechanism; the other end of the fourth connecting rod is hinged with one end of a swinging rod, the other end of the swinging rod is the output end of a plane four-bar mechanism, and the output end of the plane four-bar mechanism is connected with the driving end of a gear rack mechanism;
the gear rack mechanism comprises a connecting rod shaft sleeve, a first rack, a gear and a second rack, wherein the connecting rod shaft sleeve is sleeved on a third connecting rod and can linearly move along the third connecting rod, the other end of a swinging rod is hinged to one end of the connecting rod shaft sleeve, the first rack is fixed on the connecting rod shaft sleeve, the first rack and the second rack are arranged in parallel, the first rack and the second rack are both meshed with the gear, the gear is fixed on the third connecting rod, the second rack is sleeved in the connecting rod shaft sleeve and can linearly move along the connecting rod shaft sleeve, the swinging rod of the primary slide block swinging mechanism connected with one end of the first rack serves as the driving end of the gear rack mechanism, and the driving force is transmitted to the second rack as the output end of the gear rack mechanism through the gear rack mechanism principle; the output end of the gear rack mechanism is connected with the jaw.
Furthermore, the jaw comprises a two-stage slider swing rod mechanism and a clamp flap, the two-stage slider swing rod mechanism is hinged with the clamp flap, the two-stage slider swing rod mechanism comprises a fifth connecting rod, a sixth connecting rod, a seventh connecting rod and an eighth connecting rod, one end of the fifth connecting rod is hinged with one end of the sixth connecting rod, the other end of the fifth connecting rod is hinged with one end of the seventh connecting rod, the other end of the sixth connecting rod is hinged with one end of the eighth connecting rod, the other end of the seventh connecting rod is hinged with the other end of the eighth connecting rod, the two clamp flaps are respectively fixed on the seventh connecting rod and the eighth connecting rod, the hinged end of the fifth connecting rod and the sixth connecting rod is the input end of the two-stage slider swing rod mechanism and is connected with the output end of the rack-and-pinion mechanism, and the hinged end of the seventh connecting rod and; the second-stage slider swing rod mechanism is connected with a second rack of the gear rack mechanism to serve as a driving end, and the output end of the second-stage slider swing rod mechanism is connected with the clamp clack to control the opening and closing movement of the clamp clack.
Further, the pull ring structure is an annular ring capable of accommodating fingers.
Furthermore, one end of the traction steel wire is fixedly connected to the central part of the sun gear.
The invention has the beneficial effects that: the invention can realize the rotation and the swing of the jaw of the biopsy forceps and ensure the clamping reliability of the forceps flaps. The disposable diaper has a simple structure, does not increase the cost, accords with the economic concept and the use concept of disposable articles, and is suitable for clinical popularization.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a multi-angle adjustable disposable biopsy forceps of the present invention.
Fig. 2 is a schematic view of the structure of the operating handle of the present invention.
Fig. 3 is an enlarged schematic view of the planetary gear structure of the present invention.
Fig. 4 is a schematic diagram of the structure of the caliper body of the invention.
Figure 5 is a schematic view of the jaw structure of the present invention.
In the figure, 1-an operating handle, 101-a pull ring, 102-a guide rail, 103-an upper sliding ring, 104-a lower sliding ring, 2-a traction steel wire, 3-a clamp body, 301-an outer sleeve, 302-a step sleeve, 4-a jaw, 401-a fifth connecting rod, 402-a sixth connecting rod, 403-a seventh connecting rod, 404-an eighth connecting rod, 405-a first clamp flap, 406-a second clamp flap, 5-a planetary gear, 501-a sun gear, 502-a planetary gear, 503-a driving gear ring, 6-a spring return mechanism, 601-a first spring tube, 602-a second spring tube, 7-a first-stage slide block swing rod mechanism, 701-a first connecting rod, 702-a second connecting rod, 704-a third connecting rod, 703-a fourth connecting rod, 705-a swing rod, 8-rack and pinion mechanism, 801-first rack, 802-gear, 803-second rack.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
as shown in figures 1-5, a disposable biopsy forceps with multi-angle adjustment is characterized in that: the clamp comprises an operating handle 1, a clamp body 103, a clamp and a traction steel wire 102, wherein one end of the traction steel wire 102 is connected with the operating handle 1, the other end of the traction steel wire 102 is connected with one end of the clamp body 103, the other end of the clamp body 103 is connected with a clamp jaw 4, and the clamp jaw 4 is provided with a pair of clamp petals controlled to open and close by a swing rod mechanism.
The operating handle 1 comprises a pull ring 101, a guide rail 102, an upper sliding ring 103 and a lower sliding ring 104, wherein the pull ring 101 is fixedly connected with the guide rail 102; the upper slip ring 103 and the lower slip ring 104 have the same structure, and a circular groove for mounting the planetary gear 5 is arranged between the upper slip ring 103 and the lower slip ring 104; the upper sliding ring 103 and the lower sliding ring 104 are sleeved on the guide rail 102, and the upper sliding ring 103 and the lower sliding ring 104 can move along the guide rail 102; the planetary gear 5 comprises a sun gear 501, a planet gear 502 and a driving gear ring 503, the driving gear ring 503 is mounted on a circular groove between the upper slip ring 103 and the lower slip ring 104, the planet gear 502 and the sun gear 501 are respectively arranged inside the driving gear ring 503, the inner ring of the driving gear ring 503 is meshed with the planetary gear 5, and the planetary gear 5 is meshed with the sun gear 501; one end of the traction steel wire 102 is fixedly connected to the sun gear 501, when the driving gear ring 503 rotates, the driving gear ring 503 drives the planet gear 502 to rotate through the meshing of the gears, the planet gear 502 rotates to drive the sun gear 501 to rotate through the meshing of the gears, and the sun gear 501 is fixedly connected with the traction steel wire 102 to drive the traction steel wire 102 to rotate.
The caliper body 103 comprises an outer sleeve 301, a spring reset mechanism 6, a stepped sleeve 302, a primary slider swing rod mechanism and a gear rack mechanism 8.
The traction steel wire 102 is led out from the slip ring of the operating handle 1 and then sequentially passes through the outer sleeve 301, the first spring tube 601, the stepped sleeve 302 and the second spring tube 602, and then is connected with the driving end of the first-stage slide block swinging mechanism 7.
The first-stage slider swing mechanism 7 comprises a first connecting rod 701, a second connecting rod 702, a third connecting rod 703, a fourth connecting rod 704 and a swing rod 705, wherein the first connecting rod 701, the second connecting rod 702, the third connecting rod 703 and the fourth connecting rod 704 form a complete plane four-bar mechanism, one ends of the first connecting rod 701 and the second connecting rod 702 are hinged together to form a driving end of the plane four-bar mechanism, the traction steel wire 102 is connected with the driving end of the plane four-bar mechanism, the other end of the first connecting rod 701 is hinged with one end of the third connecting rod 703, the other end of the second connecting rod 702 is hinged with one end of the fourth connecting rod 704, the middle parts of the third connecting rod 703 and the fourth connecting rod 704 are hinged together, and a hinged shaft in the middle parts of the third connecting rod 703 and the fourth connecting rod 704; the other end of the fourth link 704 is hinged to one end of a swing rod 705, the other end of the swing rod 705 is an output end of a planar four-bar mechanism, and the output end of the planar four-bar mechanism is connected to a driving end of a rack-and-pinion mechanism 8.
The rack and pinion mechanism 8 comprises a connecting rod sleeve, a first rack 801, a gear 802 and a second rack 803, the connecting rod sleeve is sleeved on the third connecting rod 703 and can move linearly along the third connecting rod 703, the other end of the oscillating rod 705 is hinged at one end of the connecting rod sleeve, the first rack 801 is fixed on the connecting rod sleeve, the first rack 801 and the second rack 803 are arranged in parallel, the first rack 801 and the second rack 803 are both meshed with the gear 802, the second rack 803 is sleeved in the connecting rod sleeve and can move linearly along the connecting rod sleeve, the oscillating rod 705 of the primary slider oscillating mechanism 7 connected with one end of the first rack 801 is used as a driving end of the rack and pinion mechanism 8, and driving force is transmitted to the second rack 803 as an output end of the rack and pinion mechanism 8 through the principle of the rack and pinion mechanism 8; the output end of the gear rack mechanism 8 is connected with the jaw 4.
The jaw 4 comprises a two-stage slider swing rod mechanism and a clamp flap, the two-stage slider swing rod mechanism is hinged with the clamp flap, the two-stage slider swing rod mechanism comprises a fifth connecting rod 401, a sixth connecting rod 402, a seventh connecting rod 403 and an eighth connecting rod 404, one end of the fifth connecting rod 401 is hinged with one end of the sixth connecting rod 402, the other end of the fifth connecting rod 401 is hinged with one end of the seventh connecting rod 403, one end of the eighth connecting rod 404 is hinged with the other end of the sixth connecting rod 402, the other end of the seventh connecting rod 403 is hinged with the other end of the eighth connecting rod 404, the two clamp flaps are respectively fixed on the seventh connecting rod 403 and the eighth connecting rod 404, the hinged end of the fifth connecting rod 401 and the sixth connecting rod 402 is the input end of the two-stage slider swing rod mechanism and is connected with the output end of the rack-and-pinion mechanism 8, and the hinged end of the seventh connecting rod 403 and; the second-stage slider swing link mechanism is connected with the second rack 803 of the gear rack mechanism 8 to be used as a driving end, and the output end of the second-stage slider swing link mechanism is connected with the clamp clack to control the opening and closing movement of the clamp clack. The clamp flap comprises a first clamp flap 405 and a second clamp flap 406, the first clamp flap 405 is fixed to the seventh link 403, and the second clamp flap 406 is fixed to the eighth link 404.
The pull ring 101 is configured to receive a finger-sized annular ring.
One end of the traction wire 102 is fixedly connected to the central part of the sun gear 501.
The specific detailed operation mode of the invention is as follows:
the rotation of the jaw: medical personnel rotate through the drive ring gear 503 on the control operating handle 1, drive the rotation of traction wire 2 through planetary gear train 5, and traction wire 2 transmits the turning force to the one-level slider swing mechanism 7 on the pincers body 3 again, and in transmitting the turning force to rack and pinion mechanism 8 by swinging arms 705, rack and pinion mechanism 8's output is connected with keeping silent 4 to the rotation of keeping silent 4 is realized.
Swinging of the jaw: medical personnel are through removing lower sliding ring 104 on the operating handle 1, in transmitting the extension force to spring return mechanism 6 in proper order through traction wire 2 in the lower sliding ring, realize the swing motion on transmitting the swinging arms 705 of one-level slider swing mechanism 7 according to the flexible deformation of spring among spring return mechanism 6, transmit the swing motion to the drive end of rack and pinion mechanism 8 again, and then be connected with jaw 4 by rack and pinion mechanism 8's output to realize the swing of jaw 4.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, so long as the technical solutions can be realized on the basis of the above embodiments without creative efforts, which should be considered to fall within the protection scope of the patent of the present invention.
Claims (4)
1. The utility model provides a disposable biopsy forceps that multi-angle was adjusted which characterized in that: the pair of pliers is characterized by comprising an operating handle (1), a pliers body (103), pliers and a traction steel wire (102), wherein one end of the traction steel wire (102) is connected with the operating handle (1), the other end of the traction steel wire (102) is connected with one end of the pliers body (103), the other end of the pliers body (103) is connected with a jaw (4), and the jaw (4) is provided with a pair of pliers petals which are controlled to open and close by a swing rod mechanism;
the operating handle (1) comprises a pull ring (101), a guide rail (102), an upper sliding ring (103) and a lower sliding ring (104), and the pull ring (101) is fixedly connected with the guide rail (102); the upper sliding ring (103) and the lower sliding ring (104) have the same structure, and a circular groove for mounting the planetary gear (5) is arranged between the upper sliding ring (103) and the lower sliding ring (104); the upper sliding ring (103) and the lower sliding ring (104) are sleeved on the guide rail (102), and the upper sliding ring (103) and the lower sliding ring (104) can move along the guide rail (102); the planetary gear (5) comprises a sun gear (501), a planet gear (502) and a driving gear ring (503), the driving gear ring (503) is mounted on a circular groove between the upper sliding ring (103) and the lower sliding ring (104), the planet gear (502) and the sun gear (501) are respectively arranged inside the driving gear ring (503), the inner ring of the driving gear ring (503) is meshed with the planetary gear (5), and the planetary gear (5) is meshed with the sun gear (501); one end of the traction steel wire (102) is fixedly connected to the sun gear (501), when the driving gear ring (503) rotates, the driving gear ring (503) drives the planet gear (502) to rotate through the meshing of the gears, the planet gear (502) rotates to drive the sun gear (501) to rotate through the meshing of the gears, and the sun gear (501) is fixedly connected with the traction steel wire (102) to further drive the traction steel wire (102) to rotate;
the pliers body (103) comprises an outer sleeve (301), a spring reset mechanism (6), a stepped sleeve (302), a primary slider swing rod mechanism and a gear rack mechanism (8);
the spring resetting mechanism (6) comprises a first spring pipe (601) and a second spring pipe (602), a step sleeve (302) is arranged between the first spring pipe (601) and the second spring pipe (602), the step sleeve (302) is a step-shaped hollow cylinder with a large middle diameter and small two ends, the small-diameter cylindrical parts at the two ends of the step sleeve (302) are respectively sleeved in the first spring pipe (601) and the second spring pipe (602), the large middle cylindrical part of the step sleeve (302) and the outer rings of the first spring pipe (601) and the second spring pipe (602) form axial positioning, the other end of the first spring pipe (601) is in contact with an outer sleeve (301), one end of the outer sleeve (301) is welded at the bottom of the operating handle (1), and the other end of the outer sleeve (301) and the first spring pipe (601) form axial positioning;
the traction steel wire (102) sequentially penetrates through the outer sleeve (301), the first spring tube (601), the stepped sleeve (302) and the second spring tube (602) after coming out of the slip ring of the operating handle (1) and then is connected with the driving end of the first-stage slide block swinging mechanism (7).
The first-stage sliding block swinging mechanism (7) comprises a first connecting rod (701), a second connecting rod (702), a third connecting rod (703), a fourth connecting rod (704) and a swinging rod (705), wherein, the first connecting rod (701), the second connecting rod (702), the third connecting rod (703) and the fourth connecting rod (704) form a complete plane four-bar mechanism, one end of the first connecting rod (701) and one end of the second connecting rod (702) are hinged together to form a driving end of the plane four-bar mechanism, the traction steel wire (102) is connected with the driving end of the plane four-bar mechanism, the other end of the first connecting rod (701) is hinged with one end of the third connecting rod (703), the other end of the second connecting rod (702) is hinged with one end of the fourth connecting rod (704), the middle parts of the third connecting rod (703) and the fourth connecting rod (704) are hinged together, and a hinged shaft at the middle parts of the third connecting rod (703) and the fourth connecting rod (704) is fixed on the outer sleeve; the other end of the fourth connecting rod (704) is hinged with one end of a swinging rod (705), the other end of the swinging rod (705) is the output end of a planar four-bar mechanism, and the output end of the planar four-bar mechanism is connected with the driving end of a gear-rack mechanism (8);
the gear rack mechanism (8) comprises a connecting rod shaft sleeve, a first rack (801), a gear (802) and a second rack (803), the connecting rod shaft sleeve is sleeved on the third connecting rod (703) and can linearly move along the third connecting rod (703), the other end of the swinging rod (705) is hinged at one end of the connecting rod shaft sleeve, the first rack (801) is fixed on the connecting rod shaft sleeve, the first rack (801) and the second rack (803) are arranged in parallel, the first rack (801) and the second rack (803) are both meshed with the gear (802), the second rack (803) is sleeved in the connecting rod shaft sleeve and can move linearly along the connecting rod shaft sleeve, the swing rod (705) of the primary slide block swing mechanism (7) connected with one end of the first rack (801) is used as the driving end of the gear rack mechanism (8), transmitting the driving force to the second rack (803) as the output end of the gear rack mechanism (8) by the gear rack mechanism (8) principle; the output end of the gear rack mechanism (8) is connected with the jaw (4).
2. The disposable multi-angle adjustable biopsy forceps of claim 1, wherein: the jaw (4) comprises a two-stage slider swing rod mechanism and a clamp flap, the two-stage slider swing rod mechanism is hinged with the clamp flap, the two-stage slider swing rod mechanism comprises a fifth connecting rod (401), a sixth connecting rod (402), a seventh connecting rod (403) and an eighth connecting rod (404), the fifth connecting rod (401) is hinged with one end of the sixth connecting rod (402), the other end of the fifth connecting rod (401) is hinged with one end of the seventh connecting rod (403), the other end of the sixth connecting rod (402) is hinged with one end of the eighth connecting rod (404), the other end of the seventh connecting rod (403) is hinged with the other end of the eighth connecting rod (404), the two clamp flaps are respectively fixed on the seventh connecting rod (403) and the eighth connecting rod (404), the hinged end of the fifth connecting rod (401) and the sixth connecting rod (402) is the input end of the two-stage slider swing rod mechanism and is connected with the output end of the gear-rack mechanism (8), the hinged ends of the seventh connecting rod (403) and the eighth connecting rod (404) are connected to the end part of the third connecting rod (703); the second-stage slider swing rod mechanism is connected with a second rack (803) of the gear rack mechanism (8) to be used as a driving end, and the output end of the second-stage slider swing rod mechanism is connected with the clamp clack to control the opening and closing movement of the clamp clack.
3. The disposable multi-angle adjustable biopsy forceps of claim 1, wherein: the pull ring (101) is in a structure of an annular ring capable of accommodating fingers.
4. The disposable multi-angle adjustable biopsy forceps of claim 1, wherein: one end of the traction steel wire (102) is fixedly connected with the central part of the sun gear (501).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011468019.0A CN112472153A (en) | 2020-12-14 | 2020-12-14 | Disposable biopsy forceps that multi-angle was adjusted |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011468019.0A CN112472153A (en) | 2020-12-14 | 2020-12-14 | Disposable biopsy forceps that multi-angle was adjusted |
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| Publication Number | Publication Date |
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| CN112472153A true CN112472153A (en) | 2021-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011468019.0A Pending CN112472153A (en) | 2020-12-14 | 2020-12-14 | Disposable biopsy forceps that multi-angle was adjusted |
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|---|---|---|---|---|
| US6171316B1 (en) * | 1997-10-10 | 2001-01-09 | Origin Medsystems, Inc. | Endoscopic surgical instrument for rotational manipulation |
| US20070265499A1 (en) * | 2006-05-09 | 2007-11-15 | Boston Scientific Scimed, Inc. | Medical device positioning system |
| CN102028548A (en) * | 2011-01-14 | 2011-04-27 | 哈尔滨工业大学 | Clamp-type surgical instrument for abdominal cavity minimally invasive surgery robot |
| CN104224254A (en) * | 2013-06-20 | 2014-12-24 | 瑞奇外科器械(中国)有限公司 | Surgical operation instrument and drive device thereof |
| CN204600543U (en) * | 2015-04-20 | 2015-09-02 | 江苏安特尔医疗科技有限公司 | New disposable biopsy forceps of endoscope |
| CN204618305U (en) * | 2015-04-20 | 2015-09-09 | 江苏安特尔医疗科技有限公司 | Portable type disposable endoscope biopsy forceps |
| CN110974314A (en) * | 2019-12-31 | 2020-04-10 | 上海威尔逊光电仪器有限公司 | Superfine biopsy forceps |
| CN211094328U (en) * | 2019-10-14 | 2020-07-28 | 刘迎 | Disposable biopsy forceps |
| CN111542274A (en) * | 2017-10-30 | 2020-08-14 | 爱惜康有限责任公司 | Surgical instrument including biased switching mechanism |
| CN215384227U (en) * | 2020-12-14 | 2022-01-04 | 浙江工业大学 | Disposable biopsy forceps with swinging and rotating forceps head |
-
2020
- 2020-12-14 CN CN202011468019.0A patent/CN112472153A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6171316B1 (en) * | 1997-10-10 | 2001-01-09 | Origin Medsystems, Inc. | Endoscopic surgical instrument for rotational manipulation |
| US20070265499A1 (en) * | 2006-05-09 | 2007-11-15 | Boston Scientific Scimed, Inc. | Medical device positioning system |
| CN102028548A (en) * | 2011-01-14 | 2011-04-27 | 哈尔滨工业大学 | Clamp-type surgical instrument for abdominal cavity minimally invasive surgery robot |
| CN104224254A (en) * | 2013-06-20 | 2014-12-24 | 瑞奇外科器械(中国)有限公司 | Surgical operation instrument and drive device thereof |
| CN204600543U (en) * | 2015-04-20 | 2015-09-02 | 江苏安特尔医疗科技有限公司 | New disposable biopsy forceps of endoscope |
| CN204618305U (en) * | 2015-04-20 | 2015-09-09 | 江苏安特尔医疗科技有限公司 | Portable type disposable endoscope biopsy forceps |
| CN111542274A (en) * | 2017-10-30 | 2020-08-14 | 爱惜康有限责任公司 | Surgical instrument including biased switching mechanism |
| CN211094328U (en) * | 2019-10-14 | 2020-07-28 | 刘迎 | Disposable biopsy forceps |
| CN110974314A (en) * | 2019-12-31 | 2020-04-10 | 上海威尔逊光电仪器有限公司 | Superfine biopsy forceps |
| CN215384227U (en) * | 2020-12-14 | 2022-01-04 | 浙江工业大学 | Disposable biopsy forceps with swinging and rotating forceps head |
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