CN110101433B - Negative pressure suction type tumor excision device - Google Patents
Negative pressure suction type tumor excision device Download PDFInfo
- Publication number
- CN110101433B CN110101433B CN201910481760.1A CN201910481760A CN110101433B CN 110101433 B CN110101433 B CN 110101433B CN 201910481760 A CN201910481760 A CN 201910481760A CN 110101433 B CN110101433 B CN 110101433B
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- negative pressure
- housing
- pressure pipe
- guide pin
- limiting plate
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- 206010028980 Neoplasm Diseases 0.000 title claims abstract description 45
- 238000002271 resection Methods 0.000 claims abstract description 18
- 208000002193 Pain Diseases 0.000 abstract description 6
- 230000036407 pain Effects 0.000 abstract description 6
- 238000002324 minimally invasive surgery Methods 0.000 abstract description 4
- 206010006187 Breast cancer Diseases 0.000 abstract 1
- 208000026310 Breast neoplasm Diseases 0.000 abstract 1
- 206010052428 Wound Diseases 0.000 description 8
- 208000027418 Wounds and injury Diseases 0.000 description 8
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000002636 symptomatic treatment Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/32—Surgical cutting instruments
- A61B17/320016—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2217/00—General characteristics of surgical instruments
- A61B2217/002—Auxiliary appliance
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgical Instruments (AREA)
Abstract
The invention relates to the technical field of breast tumor minimally invasive surgery equipment, in particular to a negative pressure suction type tumor excision device which comprises a negative pressure pipe, a housing, a guide pin, a knife handle, a first spring, a limiting piece and a knife head, wherein the negative pressure pipe is arranged on the housing; the left end of the negative pressure pipe is provided with a vertical downward suction port; the housing is fixedly sleeved outside the negative pressure pipe and is spaced with the negative pressure pipe; the knife handle is provided with a guide slot hole matched with the guide pin; the first spring is sleeved on the guide pin and is positioned between the housing and the cutter handle; the limiting piece comprises a knob, a limiting shaft, a first limiting plate and a second limiting plate; the limiting shaft is in sliding fit with a through hole arranged on the housing; the outer part of the housing is fixedly provided with a convex block, and the convex block is provided with a groove matched with the second limiting plate; the tool bit is established between negative pressure pipe and housing, and the tool bit includes knife rest and blade, and knife rest and the left end fixed connection of handle of a knife. The negative pressure suction type tumor resection device is suitable for minimally invasive surgery and can relieve the pain of patients during tumor resection.
Description
Technical Field
The invention relates to the technical field of minimally invasive surgery equipment, in particular to a negative pressure suction type tumor excision device.
Background
At present, the treatment principle of the tumor is comprehensive treatment mainly based on operation, and symptomatic treatment is assisted according to the disease condition, wherein the operation refers to tumor excision. In the existing tumor resection operation, a surgical forceps is required to clamp and pull the tumor, and then a surgical knife is used for resecting the tumor. The existing tumor excision method has the following defects: (1) In order to relieve the pain of a patient and reduce the operation risk, the wound needs to be reduced as much as possible when the tumor is resected, and the existing tumor resection mode cannot meet the requirement of minimally invasive operation due to the fact that various surgical instruments such as surgical forceps, surgical knives and the like are needed to be used for matching and resecting; (2) After the tumor is resected, the tumor needs to be taken out by using a surgical forceps, and in the tumor resection operation, a plurality of tumors are often resected, and the pains of patients are increased when the resected tumors are taken out from the wound for a plurality of times.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a negative pressure suction type tumor excision device which is suitable for minimally invasive surgery and can relieve pain of patients during tumor excision.
The technical problems to be solved by the invention are realized by adopting the following technical scheme: a negative pressure suction type tumor resection device comprises a negative pressure pipe, a housing, a guide pin, a knife handle, a first spring, a limiting piece and a knife head; the axis of the negative pressure pipe is transverse, and the left end of the negative pressure pipe is provided with a vertical downward suction port; the housing is fixedly sleeved outside the negative pressure pipe and is spaced with the negative pressure pipe; the upper end of the guide pin is fixedly connected with the housing, the lower end of the guide pin is fixedly connected with the negative pressure pipe, and a plurality of guide pins are arranged at intervals along the transverse direction; the tool handle is arranged between the negative pressure pipe and the housing, and a guide slot hole matched with the guide pin is formed in the tool handle; the first spring is sleeved on the guide pin and is positioned between the housing and the cutter handle; the limiting piece comprises a knob, a limiting shaft, a first limiting plate and a second limiting plate, wherein the knob is fixedly arranged at the upper end of the limiting shaft, and the first limiting plate and the second limiting plate are fixedly arranged on the limiting shaft; the right end of the housing is provided with a through hole, the axis of the through hole is vertical, and the limiting shaft is in sliding fit with the through hole; the limiting shaft penetrates through the guide long hole, and the first limiting plate is positioned below the cutter handle; the cross section of the second limiting plate is rectangular, a protruding block is fixedly arranged outside the housing, and a groove matched with the second limiting plate is formed in the protruding block; the tool bit is established between negative pressure pipe and housing, the tool bit includes knife rest and blade, blade fixed mounting is in the lower extreme of knife rest, the left end fixed connection of knife rest and handle of a knife.
The technical scheme of the invention is as follows: the tool rest is U-shaped. The U-shaped knife rest and the blade arranged at the lower end of the knife rest form a rectangular frame body structure, and the structure is stable and the strength is high.
The technical scheme of the invention is as follows: the housing comprises a sleeve and an end cover, and the end cover is fixedly connected with the left end of the sleeve. By adopting the technical scheme, the negative pressure suction type tumor resection device is convenient to assemble.
The technical scheme of the invention is as follows: a plurality of connecting plates are fixedly arranged between the negative pressure pipe and the sleeve.
The technical scheme of the invention is as follows: the tool further comprises a second spring, wherein the second spring is sleeved on the guide pin at the leftmost end and is positioned between the tool handle and the negative pressure pipe. Because the locating part is located the right-hand member of housing, when the locating part draws the handle of a knife, the guide pin that is located the left end can balance the elasticity of a part of first spring, prevents that the handle of a knife from bending.
Compared with the prior art, the negative pressure suction type tumor excision device has the beneficial effects that:
(1) The negative pressure pipe is connected with a negative pressure source, and the negative pressure generated by the negative pressure source adsorbs tumors, so that compared with a mode of clamping the tumors by using surgical forceps, the requirement on an operation space during surgery can be reduced, and the surgical forceps are suitable for minimally invasive surgical excision of the tumors, so that wounds can be reduced, pain of patients can be relieved, and surgical risks can be reduced; (2) After the tumor is resected, the tumor is sucked out of the wound through the negative pressure tube, and compared with a mode of taking the resected tumor out of the wound for a plurality of times by using the surgical forceps, the pain of a patient can be greatly relieved; (3) The knife handle can be pulled upwards through the limiting piece, the second limiting plate and the protruding block keep the vertical position of the knife handle, the blade is retracted into the housing, the left end of the negative pressure pipe blocks the blade, and the blade cannot slide under the action of external force, so that normal tissues of a patient are prevented from being damaged when the device is inserted into a wound; after the device is inserted in place, the limiting piece is rotated, the blade stretches out of the housing under the action of the first spring, and the reciprocating push-pull handle can enable the blade to cut off tumors adsorbed by the negative pressure tube, so that the operation is convenient.
Drawings
Fig. 1 is a front sectional view (blade retracted state) of a negative pressure suction tumor resection device according to the embodiment.
Fig. 2 is a partial enlarged view of the portion a in fig. 1.
Fig. 3 is a perspective view (blade-extended state) of the negative pressure suction tumor resection device according to the embodiment.
Fig. 4 is a front sectional view (blade extension state) of the negative pressure suction tumor resection device according to the embodiment.
Fig. 5 is a partial enlarged view of the portion B in fig. 4.
Fig. 6 is an exploded view of a negative pressure aspiration tumor removal device in an embodiment.
Fig. 7 is a partial enlarged view of a portion C in fig. 6.
In the figure: 1. the negative pressure pipe, 2, the guide pin, 3, the handle of a knife, 4, the first spring, 5, the suction mouth, 6, the guide slot hole, 7, the knob, 8, the spacing axle, 9, first limiting plate, 10, second limiting plate, 11, lug, 12, recess, 13, knife rest, 14, blade, 15, sleeve pipe, 16, tip cover, 17, connecting plate, 18, second spring.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the following description of the specific embodiments of the present invention will be given with reference to the accompanying drawings.
As shown in fig. 1 to 7, a negative pressure suction tumor resection device comprises a negative pressure tube 1, a housing, a guide pin 2, a knife handle 3, a first spring 4, a second spring 18, a limiting piece and a knife head.
The right port of the negative pressure pipe 1 is connected with a negative pressure source, the axis of the negative pressure pipe 1 is transverse, and the left end of the negative pressure pipe 1 is provided with a vertical downward suction port 5.
The casing is fixedly sleeved outside the negative pressure pipe 1 and is spaced from the negative pressure pipe 1, specifically, as shown in fig. 6, the casing comprises a sleeve 15 and an end cover 16, a plurality of connecting plates 17 are fixedly arranged between the negative pressure pipe 1 and the sleeve 15, and the end cover 15 is fixedly connected with the left end of the sleeve 16.
The upper end of the guide pin 2 is fixedly connected with the sleeve 15, the lower end of the guide pin 2 is fixedly connected with the negative pressure pipe 1, and the guide pin 2 is provided with four guide pins along the transverse interval. The knife handle 3 is arranged between the negative pressure pipe 1 and the sleeve 15, and a guiding long hole 6 matched with the guiding pin 2 is arranged on the knife handle 3. The first spring 4 is sleeved on the guide pin 2 and is positioned between the sleeve 15 and the tool handle 3, so that the acting force of the first spring 4 on the tool handle 3 is downward. The second spring 18 is sleeved on the leftmost guide pin 2 and is positioned between the tool handle 3 and the negative pressure pipe 1, so that the acting force of the second spring 18 on the tool handle 3 is upward.
The limiting piece comprises a knob 7, a limiting shaft 8, a first limiting plate 9 and a second limiting plate 10. The knob 7 is fixedly arranged at the upper end of the limiting shaft 8, and the first limiting plate 9 and the second limiting plate 10 are fixedly arranged on the limiting shaft 8. The right-hand member of sleeve pipe 15 is equipped with the through-hole, and the axis of through-hole is vertical, spacing axle 8 and through-hole sliding fit. The limiting shaft 8 passes through the guide long hole 6, and the first limiting plate 9 is positioned below the cutter handle 3. As shown in fig. 7, the cross section of the second limiting plate 10 is rectangular, a protruding block 11 is fixedly arranged on the outer circular surface of the sleeve 15, and a groove 12 matched with the second limiting plate 10 is arranged on the protruding block 11.
The tool bit is arranged between the negative pressure pipe 1 and the housing, and comprises a tool rest 13 and a blade 14, wherein the tool rest 13 is U-shaped as shown in fig. 6, the blade 14 is fixedly arranged at the lower end of the tool rest 13, and the tool rest 13 is fixedly connected with the left end of the tool handle 3.
The application method of the negative pressure suction tumor resection device comprises the following steps: in the initial state, as shown in fig. 1, the second limiting plate 10 is lapped on the lug 11, the blade 14 is retracted into the end cover 16, the blade 14 is blocked by the left end of the negative pressure tube 1 so that the blade cannot slide under the action of external force, and the negative pressure suction type tumor resection device in the state is inserted into a wound. Under the action of the first spring 4, the rotating limiting piece, as shown in fig. 4, enables the blade 14 to extend out of the end cover 16, and the reciprocating pushing and pulling of the knife handle 3 can enable the blade 14 to cut off the tumor adsorbed by the negative pressure tube 1. Under the negative pressure generated by the negative pressure source, the resected tumor tissue is sucked away from the wound by the negative pressure tube 1.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Claims (5)
1. A negative pressure suction tumor resection device, characterized in that: comprises a negative pressure pipe (1), a housing, a guide pin (2), a knife handle (3), a first spring (4), a limiting piece and a knife head; the axis of the negative pressure pipe (1) is transverse, the left end of the negative pressure pipe (1) is provided with a vertical downward suction port (5), and the right port of the negative pressure pipe (1) is connected with a negative pressure source; the housing is fixedly sleeved outside the negative pressure pipe (1) and is spaced from the negative pressure pipe (1); the upper end of the guide pin (2) is fixedly connected with the housing, the lower end of the guide pin (2) is fixedly connected with the negative pressure pipe (1), and the guide pin (2) is provided with four guide pins along the transverse interval; the tool handle (3) is arranged between the negative pressure pipe (1) and the housing, and a guide long hole (6) matched with the guide pin (2) is formed in the tool handle (3); the first spring (4) is sleeved on the guide pin (2) and is positioned between the housing and the cutter handle (3); the limiting piece comprises a knob (7), a limiting shaft (8), a first limiting plate (9) and a second limiting plate (10), wherein the knob (7) is fixedly arranged at the upper end of the limiting shaft (8), and the first limiting plate (9) and the second limiting plate (10) are fixedly arranged on the limiting shaft (8); the right end of the housing is provided with a through hole, the axis of the through hole is vertical, and the limiting shaft (8) is in sliding fit with the through hole; the limiting shaft (8) penetrates through the guide long hole (6), and the first limiting plate (9) is positioned below the cutter handle (3); the cross section of the second limiting plate (10) is rectangular, a protruding block (11) is fixedly arranged outside the housing, and a groove (12) matched with the second limiting plate (10) is formed in the protruding block (11); the tool bit is arranged between the negative pressure pipe (1) and the housing, the tool bit comprises a tool rest (13) and a blade (14), the blade (14) is fixedly arranged at the lower end of the tool rest (13), and the tool rest (13) is fixedly connected with the left end of the tool handle (3).
2. The negative pressure aspiration tumor resection device according to claim 1, wherein: the tool rest (13) is U-shaped.
3. The negative pressure aspiration tumor resection device according to claim 1, wherein: the housing comprises a sleeve (15) and an end cover (16), and the end cover (16) is fixedly connected with the left end of the sleeve (15).
4. The negative pressure aspiration tumor resection device according to claim 3, wherein: a plurality of connecting plates (17) are fixedly arranged between the negative pressure pipe (1) and the sleeve (15).
5. The negative pressure suction tumor resection device according to any one of the claims 1 to 4, wherein: the tool further comprises a second spring (18), wherein the second spring (18) is sleeved on the leftmost guide pin (2) and is positioned between the tool handle (3) and the negative pressure pipe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910481760.1A CN110101433B (en) | 2019-06-04 | 2019-06-04 | Negative pressure suction type tumor excision device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910481760.1A CN110101433B (en) | 2019-06-04 | 2019-06-04 | Negative pressure suction type tumor excision device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110101433A CN110101433A (en) | 2019-08-09 |
| CN110101433B true CN110101433B (en) | 2024-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910481760.1A Active CN110101433B (en) | 2019-06-04 | 2019-06-04 | Negative pressure suction type tumor excision device |
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| Country | Link |
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| CN (1) | CN110101433B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112472883B (en) * | 2020-11-27 | 2023-02-17 | 中国人民解放军总医院第五医学中心 | Negative pressure type tumor eliminating device |
| CN112451052B (en) * | 2020-12-11 | 2022-03-29 | 中国人民解放军陆军特色医学中心 | Breast tumor resection device |
| CN114533302A (en) * | 2022-02-24 | 2022-05-27 | 李金帮 | Negative pressure suction type tumor resection device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210784551U (en) * | 2019-06-04 | 2020-06-19 | 山东省肿瘤防治研究院（山东省肿瘤医院） | Negative pressure suction type tumor resection device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2003218696A1 (en) * | 2002-03-19 | 2003-09-29 | Bard Dublin Itc Limited | Biopsy device and biopsy needle module that can be inserted into the biopsy device |
| EP3340889A4 (en) * | 2015-08-28 | 2019-05-08 | Siteselect Inc. | Tissue excision device with anchor stability rod and anchor stability rod |
| CN109674511B (en) * | 2018-11-15 | 2020-10-09 | 四川大学华西医院 | A pituitary tumor cutting and removing device |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210784551U (en) * | 2019-06-04 | 2020-06-19 | 山东省肿瘤防治研究院（山东省肿瘤医院） | Negative pressure suction type tumor resection device |
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| Publication number | Publication date |
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| CN110101433A (en) | 2019-08-09 |
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