CN107898483B - Endoscopic surgical suture device - Google Patents
Endoscopic surgical suture device Download PDFInfo
- Publication number
- CN107898483B CN107898483B CN201711382388.6A CN201711382388A CN107898483B CN 107898483 B CN107898483 B CN 107898483B CN 201711382388 A CN201711382388 A CN 201711382388A CN 107898483 B CN107898483 B CN 107898483B
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- needle
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- 238000003825 pressing Methods 0.000 claims description 14
- 230000009471 action Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 3
- 238000009958 sewing Methods 0.000 claims 1
- 238000002674 endoscopic surgery Methods 0.000 abstract description 6
- 210000001519 tissue Anatomy 0.000 description 9
- 238000005520 cutting process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002324 minimally invasive surgery Methods 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 210000000683 abdominal cavity Anatomy 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 210000000707 wrist Anatomy 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, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0469—Suturing instruments for use in minimally invasive surgery, e.g. endoscopic surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0482—Needle or suture guides
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0491—Sewing machines for surgery
Landscapes
- 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)
- Surgical Instruments (AREA)
Abstract
The invention discloses a suturing device for endoscopic surgery, which comprises a driving handle, a connecting sleeve rod and two arc needle sheaths, wherein the driving handle is connected to one end of the connecting sleeve rod, the two arc needle sheaths are symmetrically connected to the other end of the connecting sleeve rod, a suturing curved needle is movably sleeved in any arc needle sheath, a reciprocating needle feeder extending into the connecting sleeve rod is sleeved in the two arc needle sheaths, an auxiliary push rod positioned in the connecting sleeve rod is arranged between the two reciprocating needle feeders, a main push rod positioned in the connecting sleeve rod is arranged between the driving handle and the auxiliary push rod, and when the driving handle is alternatively operated, the main push rod drives the auxiliary push rod to be alternately connected with the two reciprocating needle feeders respectively, and the two reciprocating needle feeders alternately push the suturing curved needle to drive the needle to move back and forth between the two arc needle sheaths. The suturing device has the advantages of compact structure, convenient and comfortable operation, high safety and shortened suturing time.
Description
Technical Field
The invention mainly relates to a suture instrument applied to minimally invasive surgery, in particular to a suture device for endoscopic surgery.
Background
Minimally invasive surgery has been widely used in clinic due to its excellent performance of little damage, little bleeding, and quick postoperative recovery, and has recently received attention from both clinicians and patients. The biological soft tissue in the abdominal cavity has large area, changeable structure, wet and slippery surface and flexibility. Endoscopic surgical suturing is a technical challenge for the laparoscopic surgeon. It generally requires suturing and knotting of tissue using limited procedures. The endoscopic surgical suturing challenge is mainly among the following: 1. the operator operates in a three-dimensional space, but only in a two-dimensional space is visually seen. 2. Since the operator operates with an elongated rigid shaft, the most challenging is the suture needle used for grasping through tissue and lack of wrist activity in its positioning; furthermore, how to tie the appropriate knot after suturing, how to ensure the security of the knot at the appropriate position of the tissue through the tiny endoscope channel.
The existing endoscopic surgical suture instrument generally performs manual suture through a curved needle or adopts a cutting suture device to perform suture on tissues, and has the problems of low suture efficiency, time and labor waste in operation and the like. If continuous suturing can be realized by only one hand under the premise of ensuring the tissue suturing region, the operation process of doctors is greatly simplified, the suturing efficiency is improved, the recovery of patients is facilitated, and the suturing quality and accuracy are improved.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art, and provide the endoscopic surgery stitching device which has the advantages of compact structure, convenient and comfortable operation, high safety and shortened stitching time.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a endoscopic surgery suturing device, includes actuating handle, connection loop bar and two arc needle sheaths, actuating handle connects in the one end of connection loop bar, and two arc needle sheaths are symmetrical connection in the other end of connection loop bar, and the flexible needle is sewed up to the movable cover in arbitrary arc needle sheath, and two arc needle sheaths still cover are equipped with the reciprocal needle feeder that extends to in the connection loop bar, are equipped with the auxiliary push rod that is located the connection loop bar between two reciprocal needle feeders, be equipped with the main push rod that is located the connection loop bar between actuating handle and the auxiliary push rod, when operating actuating handle in turn, main push rod order about the auxiliary push rod alternately respectively with two reciprocal needle feeders form to be connected, two reciprocal needle feeders alternate top pushes away and sews up the curved needle and order about its back and forth movement between two arc needle sheaths.
As a further improvement of the above technical scheme:
the main push rod is provided with a plurality of wedges and push blocks along the circumferential interval of the pushing end, the auxiliary push rod is provided with a plurality of rotary push blocks and straight push blocks which are matched with the wedges and the push blocks respectively along the circumferential interval of the pushed end, when the driving handle drives the wedges to push the rotary push blocks, the auxiliary push rod is connected with the reciprocating needle feeder to be fed, and when the driving handle drives the push blocks to push the straight push blocks, the auxiliary push rod drives the reciprocating needle feeder to be fed.
The reciprocating needle feeder comprises a needle feeding rod and a reset spring, one end of the needle feeding rod extends into the corresponding arc needle sheath, the other end of the needle feeding rod is alternately connected with the auxiliary push rod, and the reset spring is sleeved on the needle feeding rod.
The needle feeding rod is provided with a groove at the connecting end, the auxiliary push rod is provided with a convex block at the pushing end, when the wedge block pushes the rotary pushed block, the convex block rotates and is matched with the corresponding groove, and when the push block pushes the straight pushed block, the convex block pushes the groove to drive the auxiliary push rod to move straight.
The needle feeding rod is provided with a rubber clamping part at the part extending into the arc needle sheath.
The end surface of the needle feeding rod, which is jointed with the rubber clamping part, is set as a magnetic surface.
The driving handle comprises a fixed handle and a pressing handle, the fixed handle is fixedly arranged at the end part of the connecting sleeve rod, and the pressing handle is movably hinged with the fixed handle and is connected with the main push rod.
A reset torsion spring is arranged between the fixed handle and the pressing handle.
Compared with the prior art, the invention has the advantages that:
According to the endoscopic surgery suture device, during surgery, the driving handle is pressed once by one hand, the driving handle pushes the main push rod, the main push rod drives the auxiliary push rod to be connected with the reciprocating needle feeder to be fed, and when the driving handle is pressed once again, the main push rod drives the auxiliary push rod to directly push the reciprocating needle feeder, so that the reciprocating needle feeder can feed a suture curved needle out of the arc needle sheath, meanwhile, the suture curved needle passes through a surgery part to be sutured and enters into another arc needle sheath, when the driving handle is pressed once, the main push rod drives the auxiliary push rod to be connected with the reciprocating needle feeder to be fed, and then the main push rod is pressed again to drive the auxiliary push rod to directly push the reciprocating needle feeder, and the suture curved needle is fed out of the arc needle sheath and returns to the original arc needle sheath, so that the complete suturing operation is achieved according to the operation. Compared with the traditional manual suture or the cutting suture device, the suture device adopts the automatic reciprocating insertion structure to realize the automatic needle threading and suture of tissues, has controllable angle and can be operated by one hand, thereby freeing the other hand of an operator, adapting to various tissues and organs and ensuring more accurate and safe operation. The suturing device has the advantages of compact structure, simple and convenient operation, improved operation comfort and convenience of operators, shortened effective suturing time, and further contribution to shortening the operation time of patients and improving the medical security.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic view of a partial structure (needle feeding end) of the present invention.
Fig. 3 is a schematic view of a partial cross-sectional structure of the present invention.
Fig. 4 is a partial perspective view of the present invention.
Fig. 5 is a partial structural schematic view (operation end) of the present invention.
The reference numerals in the drawings denote:
1. A drive handle; 11. a fixed handle; 12. pressing the handle; 13. a reset torsion spring; 2. connecting a loop bar; 3. an arc needle sheath; 4. stitching the curved needle; 5. a reciprocating needle feeder; 51. a needle feeding rod; 511. a groove; 512. a rubber clamping part; 52. a return spring; 6. an auxiliary push rod; 61. rotating the pushed block; 62. a straight push block; 63. a bump; 7. a main push rod; 71. wedge blocks; 72. and pushing the block.
Detailed Description
The invention will be described in further detail with reference to the drawings and the specific examples.
Fig. 1 to 5 show an embodiment of a endoscopic surgery suture device of the present invention, including a driving handle 1, a connecting sleeve rod 2 and two arc needle sheaths 3, wherein the driving handle 1 is connected to one end of the connecting sleeve rod 2, the two arc needle sheaths 3 are symmetrically connected to the other end of the connecting sleeve rod 2, a suture curved needle 4 is movably sleeved in any arc needle sheath 3, the two arc needle sheaths 3 are further sleeved with a reciprocating needle feeder 5 extending into the connecting sleeve rod 2, a secondary push rod 6 positioned in the connecting sleeve rod 2 is arranged between the two reciprocating needle feeders 5, a main push rod 7 positioned in the connecting sleeve rod 2 is arranged between the driving handle 1 and the secondary push rod 6, and when the driving handle 1 is alternatively operated, the main push rod 7 drives the secondary push rod 6 to be alternately connected with the two reciprocating needle feeders 5, and the two reciprocating needle feeders 5 alternately push the suture curved needle 4 to drive the reciprocating needle feeder to move back and forth between the two arc needle sheaths 3. During operation, the driving handle 1 is pressed by one hand, the driving handle 1 pushes the main push rod 7, the main push rod 7 drives the auxiliary push rod 6 to be connected with the reciprocating needle feeder 5 to be fed, and when the driving handle is pressed once again, the main push rod 7 drives the auxiliary push rod 6 to directly push the reciprocating needle feeder 5, so that the reciprocating needle feeder 5 feeds out the suture curved needle 4 from the arc needle sheath 3, meanwhile, the suture curved needle 4 passes through an operation part to be sutured and enters into another arc needle sheath 3, when the driving handle is pressed once, the main push rod 7 drives the auxiliary push rod 6 to be connected with the reciprocating needle feeder 5 to be fed again, then the main push rod 7 is pressed again, the auxiliary push rod 6 is driven to directly push the reciprocating needle feeder 5, and the suture curved needle 4 is fed out of the arc needle sheath 3 and returns to the original arc needle sheath 3, so that the operation is completed in a reciprocating manner according to the operation. Compared with the traditional manual suture or the cutting suture device, the suture device adopts the automatic reciprocating insertion structure to realize the automatic needle threading and suture of tissues, has controllable angle and can be operated by one hand, thereby freeing the other hand of an operator, adapting to various tissues and organs and ensuring more accurate and safe operation. The suturing device has the advantages of compact structure, simple and convenient operation, improved operation comfort and convenience of operators, shortened effective suturing time, and further contribution to shortening the operation time of patients and improving the medical security.
In this embodiment, the main push rod 7 is provided with a plurality of wedges 71 and push blocks 72 at intervals along the circumferential direction of the pushing end, the auxiliary push rod 6 is provided with a plurality of rotating push blocks 61 and straight push blocks 62 which are respectively matched with the wedges 71 and the push blocks 72 at intervals along the circumferential direction of the pushed end, when the driving handle 1 drives the wedges 71 to push the rotating push blocks 61, the auxiliary push rod 6 is connected with the reciprocating needle feeder 5 of the needle to be fed, and when the driving handle 1 drives the push blocks 72 to push the straight push blocks 62, the auxiliary push rod 6 drives the reciprocating needle feeder 5 of the needle to be fed to directly feed the needle. In this structure, wedge 71 and push block 72 are alternately contacted with corresponding rotating pushed block 61 and straight pushed block 62, so that auxiliary push rod 6 generates circumferential rotation, and is connected with different reciprocating needle feeders 5 when rotating 180 degrees, after connection is formed, auxiliary push rod 6 drives reciprocating needle feeders 5 to directly finish one needle feeding action, and the needle feeding actions are sequentially and alternately performed, thereby realizing the back and forth action of suture curved needle 4 between two arc needle sheaths 3.
In this embodiment, the reciprocating needle feeder 5 includes a needle feeding rod 51 and a return spring 52, one end of the needle feeding rod 51 extends into the corresponding arc needle sheath 3, the other end is alternately connected with the auxiliary push rod 6, and the return spring 52 is sleeved on the needle feeding rod 51. In this structure, the needle feeding rod 51 plays a role of pushing the needle feeding, and the return spring 52 realizes the compounding of the corresponding needle feeding rod 51 and the auxiliary push rod 6 so as to form a connection with the auxiliary push rod 6 next time.
In this embodiment, the needle feeding rod 51 is provided with a groove 511 at the connection end, the auxiliary push rod 6 is provided with a protrusion 63 at the pushing end, when the wedge 71 pushes the rotary pushed block 61, the protrusion 63 rotates and is matched with the corresponding groove 511, and when the push block 72 pushes the straight pushed block 62, the protrusion 63 pushes the groove 511 to drive the auxiliary push rod 6 to move straight. In this structure, under the action of the wedge 71, the auxiliary push rod 6 drives the lug 63 to rotate circumferentially, and each time rotates 180 degrees, so as to realize the matching with the groove 511 on each needle feeding rod 51, and after connection, under the action of the push block 72, the lug 63 pushes the groove 511 to drive the auxiliary push rod 6 to move straight, so that the structure is simple and practical.
In this embodiment, the needle feeding rod 51 is provided with a rubber clip portion 512 at a portion extending into the arc needle sheath 3. The rubber clamping portion 512 is capable of deforming and moving in the arc needle sheath 3, and the rubber clamping portion 512 can form a certain clamping force on the suture curved needle 4 when the suture curved needle 4 is fed, so that stability of the suture curved needle 4 in the arc needle sheath 3 is guaranteed.
In the present embodiment, the end surface of the needle feed rod 51 that engages with the rubber stopper 512 is provided as a magnetic surface. By the arrangement, the magnetic surface can generate certain suction force on the suture curved needle 4 when the suture curved needle 4 is fed, and the stability of the suture curved needle 4 in the arc needle sheath 3 is further improved.
In this embodiment, the driving handle 1 includes a fixed handle 11 and a pressing handle 12, the fixed handle 11 is fixedly mounted at the end of the connecting sleeve rod 2, and the pressing handle 12 is movably hinged with the fixed handle 11 and is connected with the main push rod 7. In this structure, the fixed handle 11 and the pressing handle 12 form a scissor-like structure, and when the pressing handle 12 is pressed down, the main push rod 7 is driven to move forward to push the auxiliary push rod 6, and when the pressing handle 12 is reset, the main push rod 7 is driven to be separated from the auxiliary push rod 6.
In this embodiment, a return torsion spring 13 is provided between the fixing lever 11 and the pressing lever 12. The reset torsion spring 13 ensures the automatic reset of the pressing handle 12, does not need manual operation, and greatly improves the convenience of use.
While the invention has been described in terms of preferred embodiments, it is not intended to be limiting. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or equivalent embodiments with equivalent variations can be made, without departing from the scope of the invention. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention shall fall within the scope of the technical solution of the present invention.
Claims (7)
1. An endoscopic surgical suturing device, characterized in that: including actuating handle (1), connection loop bar (2) and two arc needle sheaths (3), actuating handle (1) are connected in the one end of connecting loop bar (2), two arc needle sheaths (3) are symmetrical connection in the other end of connecting loop bar (2), sewing up curved needle (4) are equipped with to the activity cover in arbitrary arc needle sheath (3), two arc needle sheaths (3) still cover are equipped with reciprocating needle feed ware (5) that extend to in connecting loop bar (2), be equipped with auxiliary push rod (6) that are located in connecting loop bar (2) between two reciprocating needle feed ware (5), be equipped with main push rod (7) that are located in connecting loop bar (2) between actuating handle (1) and auxiliary push rod (6), when alternately operating actuating handle (1), main push rod (7) order to drive auxiliary push rod (6) alternately respectively with two reciprocating needle feed ware (5) form the connection, two reciprocating needle feed ware (4) order to drive it and make a round trip between two arc needle sheaths (3), main push rod (7) are arranged along the peripheral wedge block (62) and are arranged along the peripheral direction opposite direction wedge block (72) with the thrust block (72) and are arranged along the peripheral direction wedge block (72) with the opposite direction of thrust block (62), when the driving handle (1) drives the wedge block (71) to push and rotate the pushed block (61), the auxiliary push rod (6) is connected with the reciprocating needle feeder (5) of the needle to be fed, and when the driving handle (1) drives the push block (72) to push and move the pushed block (62), the auxiliary push rod (6) drives the reciprocating needle feeder (5) of the needle to be fed to move the needle in a straight direction; the wedge block (71) and the pushing block (72) are alternately contacted with the corresponding rotary pushed block (61) and the corresponding straight pushed block (62), so that the auxiliary pushing rod (6) generates circumferential rotation and is connected with different reciprocating needle feeders (5) when rotating for 180 degrees, after connection is formed, the auxiliary pushing rod (6) drives the reciprocating needle feeders (5) to directly move for completing one needle feeding action, and the needle feeding actions are sequentially and alternately performed, so that the stitching curved needle (4) can move back and forth between the two arc needle sheaths (3).
2. The endoscopic surgical stapling device according to claim 1, wherein: the reciprocating needle feeder (5) comprises a needle feeding rod (51) and a reset spring (52), one end of the needle feeding rod (51) extends into the corresponding arc needle sheath (3), the other end of the needle feeding rod is alternately connected with the auxiliary push rod (6), and the reset spring (52) is sleeved on the needle feeding rod (51).
3. The endoscopic surgical stapling device according to claim 2, wherein: the needle feeding rod (51) is provided with a groove (511) at the connecting end, the auxiliary push rod (6) is provided with a protruding block (63) at the pushing end, when the wedge block (71) pushes the rotary pushed block (61), the protruding block (63) rotates and is matched with the corresponding groove (511), and when the push block (72) pushes the straight pushed block (62), the protruding block (63) pushes the groove (511) to drive the auxiliary push rod (6) to move straight.
4. A laparoscopic surgical stapling device according to claim 3, wherein: the needle feeding rod (51) is provided with a rubber clamping part (512) at the part extending into the arc needle sheath (3).
5. The endoscopic surgical stapling device according to claim 4, wherein: an end surface of the needle feeding rod (51) which is jointed with the rubber clamping part (512) is provided as a magnetic surface.
6. The endoscopic surgical stapling device according to any one of claims 1 to 5, wherein: the driving handle (1) comprises a fixed handle (11) and a pressing handle (12), wherein the fixed handle (11) is fixedly arranged at the end part of the connecting sleeve rod (2), and the pressing handle (12) is movably hinged with the fixed handle (11) and is connected with the main push rod (7).
7. The endoscopic surgical stapling device according to claim 6, wherein: a reset torsion spring (13) is arranged between the fixed handle (11) and the pressing handle (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711382388.6A CN107898483B (en) | 2017-12-20 | 2017-12-20 | Endoscopic surgical suture device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711382388.6A CN107898483B (en) | 2017-12-20 | 2017-12-20 | Endoscopic surgical suture device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107898483A CN107898483A (en) | 2018-04-13 |
| CN107898483B true CN107898483B (en) | 2024-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711382388.6A Active CN107898483B (en) | 2017-12-20 | 2017-12-20 | Endoscopic surgical suture device |
Country Status (1)
| Country | Link |
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| CN (1) | CN107898483B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111134745A (en) * | 2020-02-27 | 2020-05-12 | 连云港市第一人民医院 | Blood vessel stitching instrument |
| CN111481247B (en) * | 2020-04-20 | 2021-04-06 | 广西壮族自治区人民医院 | Stitching instrument for gastrointestinal endoscope and operation method thereof |
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|---|---|---|---|---|
| US5814054A (en) * | 1996-09-23 | 1998-09-29 | Symbiosis Corporation | Automatic needle-passer suturing instrument |
| CN202699243U (en) * | 2012-03-22 | 2013-01-30 | 甘伟 | Spring type percutaneous renal puncture needle |
| CN103431883A (en) * | 2013-08-24 | 2013-12-11 | 杭州慧泉医药科技有限公司 | Minimally-invasive suture knot-tying device |
| CN106073837A (en) * | 2016-06-21 | 2016-11-09 | 上海雷珍医疗科技有限公司 | Finger cot type surgical stapler |
| KR101711305B1 (en) * | 2015-12-28 | 2017-03-06 | 한국기술교육대학교 산학협력단 | Suturing device |
| CN107405207A (en) * | 2015-01-29 | 2017-11-28 | 因特脉管有限公司 | Delivery apparatus and delivering method |
| CN208973953U (en) * | 2017-12-20 | 2019-06-14 | 中南大学湘雅三医院 | Endoscope-assistant surgery stitching devices |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010083110A1 (en) * | 2009-01-16 | 2010-07-22 | Rhaphis Medical, Inc. | Surgical suturing latch |
-
2017
- 2017-12-20 CN CN201711382388.6A patent/CN107898483B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5814054A (en) * | 1996-09-23 | 1998-09-29 | Symbiosis Corporation | Automatic needle-passer suturing instrument |
| CN202699243U (en) * | 2012-03-22 | 2013-01-30 | 甘伟 | Spring type percutaneous renal puncture needle |
| CN103431883A (en) * | 2013-08-24 | 2013-12-11 | 杭州慧泉医药科技有限公司 | Minimally-invasive suture knot-tying device |
| CN107405207A (en) * | 2015-01-29 | 2017-11-28 | 因特脉管有限公司 | Delivery apparatus and delivering method |
| KR101711305B1 (en) * | 2015-12-28 | 2017-03-06 | 한국기술교육대학교 산학협력단 | Suturing device |
| CN106073837A (en) * | 2016-06-21 | 2016-11-09 | 上海雷珍医疗科技有限公司 | Finger cot type surgical stapler |
| CN208973953U (en) * | 2017-12-20 | 2019-06-14 | 中南大学湘雅三医院 | Endoscope-assistant surgery stitching devices |
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| CN107898483A (en) | 2018-04-13 |
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