CN113925548A - Thread trimming device and thread trimming device - Google Patents
Thread trimming device and thread trimming device Download PDFInfo
- Publication number
- CN113925548A CN113925548A CN202111421385.5A CN202111421385A CN113925548A CN 113925548 A CN113925548 A CN 113925548A CN 202111421385 A CN202111421385 A CN 202111421385A CN 113925548 A CN113925548 A CN 113925548A
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- driving
- hole
- protrusion
- bracket
- thread trimming
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- 238000009966 trimming Methods 0.000 title claims description 34
- 238000005520 cutting process Methods 0.000 claims abstract description 43
- 230000009471 action Effects 0.000 claims abstract description 4
- 230000001681 protective effect Effects 0.000 claims description 8
- 239000007769 metal material Substances 0.000 claims description 3
- 238000010008 shearing Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 description 17
- 230000008569 process Effects 0.000 description 13
- 210000000056 organ Anatomy 0.000 description 7
- 210000004204 blood vessel Anatomy 0.000 description 4
- 230000000740 bleeding effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002324 minimally invasive surgery Methods 0.000 description 3
- 241000692569 Stylephorus chordatus Species 0.000 description 2
- 208000002847 Surgical Wound Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 210000000621 bronchi Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 208000005422 Foreign-Body reaction Diseases 0.000 description 1
- 208000010496 Heart Arrest Diseases 0.000 description 1
- 206010052428 Wound Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007157 ring contraction reaction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
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Classifications
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- 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
- A61B17/0467—Instruments for cutting sutures
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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)
- Surgical Instruments (AREA)
Abstract
The invention relates to the technical field of medical instruments, in particular to a wire shearing device, a wire shearing device and a medical device. The wire cutting device comprises a first bracket, a second bracket and a third bracket, wherein a first cutting sheet is arranged on the first bracket; the driving assembly is fixedly provided with a first driving sheet, and the driving assembly drives the first driving sheet to move towards the first cutting sheet under the driving action of external force so as to cut the surgical suture.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a thread trimming device and a thread trimmer.
Background
The traditional surgical annuloplasty ring contraction operation needs thoracotomy, cardiac arrest and extracorporeal circulation, the patient has large trauma, high pain degree and slow recovery, and many elderly and infirm cannot tolerate the surgical operation. In recent years, the concept of performing a valve ring retraction operation through a minimally invasive catheter intervention method has come to work, and under the condition that the heart does not jump, in the retraction process, the tail of a knotted or locked surgical suture needs to be cut off frequently to complete the operation. Therefore, it is an important research and development direction to achieve the cutting of surgical suture.
Disclosure of Invention
To prior art's not enough, this application provides a trimming device and trimming ware, specifically:
a thread trimming apparatus, comprising:
the cutting device comprises a first bracket, a second bracket and a cutter, wherein a first cutting sheet is arranged on the first bracket;
the driving assembly is fixedly provided with a first driving sheet, and the driving assembly drives the first driving sheet to move towards the first cutting sheet under the driving action of external force so as to cut the surgical suture.
Preferably, in the thread cutting device, the first support is cylindrical, and a first cutting fixing hole for fixing the first cutting blade and a first support through hole for forming a thread passage are formed in the first support.
Preferably, in the trimming device, the driving assembly is disposed in the first bracket, the driving assembly is provided with a driving assembly through hole and a first driving plate stroke hole, the driving assembly through hole is matched with the first bracket through hole, the first bracket through hole is combined with the driving assembly through hole to form the threading channel, and the first driving plate is disposed in the first driving plate stroke hole and can move along the first driving plate stroke hole.
Preferably, in the thread trimming device, the first driving plate is made of a non-metal material.
Preferably, the thread trimming device further comprises a driving rod, one end of the driving rod is fixedly connected to the driving assembly, and the other end of the driving rod extends out of the thread trimming device.
On the other hand, this application still provides a thread trimmer, wherein, includes: the thread trimming apparatus according to any one of the above claims, further comprising:
the pipe body is fixedly connected with the thread trimming device, so that the driving rod extends along the interior of the pipe body.
Preferably, the wire trimmer further comprises a connecting device, and the connecting device is arranged between the pipe body and the wire trimming device.
Preferably, the wire cutter includes a first protrusion and a second protrusion, the second protrusion is fixedly connected to the tube and the first support, the first protrusion is respectively fixedly connected to the driving component and the driving rod, preferably, one end of the first protrusion is fixedly connected to the driving component, a first protrusion plug hole for fixing the driving rod is formed at the other end of the first protrusion, a second protrusion through hole for allowing the driving rod to penetrate through is formed in the second protrusion, and the driving rod is inserted into the first protrusion plug hole and penetrates through the second protrusion through hole to extend.
Preferably, the thread trimmer further comprises,
the driving handle is arranged inside the driving handle, a channel for accommodating the tube body and/or the driving rod to penetrate through is formed in the driving handle, a movable pull ring is arranged at the other end of the driving handle, and the pull ring is fixedly connected with the driving rod.
Preferably, the wire cutter further comprises a protective cover, the protective cover is disposed at the other end of the driving handle and closes the passage, and an elastic element is disposed between the pull ring and the protective cover.
Compared with the prior art, the invention has the beneficial effects that:
in the minimally invasive surgery process, the length of the surgical wound is 5-10 cm, the surgical space is usually a long and thin narrow space, and particularly in the surgery of valve repair and the like, the inside of the surgical space is an important lumen, or a tissue with rich blood vessels, or a blood vessel or a small bronchus and other parts, so that the effect after damage is serious; because the first driving sheet in a motion state is made of a blunt sheet material in the process of cutting the surgical suture, the first driving sheet does not cause loss to human organs even if contacting the human organs in the motion process, and the bleeding of the tissues of the human organs in the surgical process is reduced. On the other hand, especially, the first driving piece and the first cutting piece are always in the same plane in the whole thread cutting process, the required movement space is small, thread cutting operation can be carried out at a position close to the surgical suture knot, and the phenomenon that the surgical suture tail is long (when the thread tail is long, the surgical suture knot is long in absorption time, and long thread tail is left to be prone to generate foreign body reaction in a body) is avoided.
Drawings
For a better understanding and appreciation of some embodiments of the present application, reference will now be made to the description of embodiments taken in conjunction with the accompanying drawings, in which like reference numerals designate corresponding parts in the figures.
Fig. 1 is a schematic structural diagram of a thread trimming device according to an embodiment of the present invention;
fig. 2 is a schematic view of a first bracket structure of a trimming device according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a second bracket of a thread trimming device according to an embodiment of the present invention;
fig. 4 is a schematic view of a distal end structure of a wire cutter according to a second embodiment of the present invention;
fig. 5 is a schematic view of a distal end structure of a wire cutter according to a second embodiment of the present invention;
fig. 6 is a schematic structural diagram of a wire cutter according to a third embodiment of the present invention;
fig. 7 is a schematic cross-sectional structural diagram of a wire cutter according to a third embodiment of the present invention.
Detailed Description
The following description, with reference to the accompanying drawings, is provided to facilitate a comprehensive understanding of various embodiments of the application as defined by the claims and their equivalents. These embodiments include various specific details for ease of understanding, but these are to be considered exemplary only. Accordingly, those skilled in the art will appreciate that various changes and modifications may be made to the various embodiments described herein without departing from the scope and spirit of the present application. In addition, descriptions of well-known functions and constructions will be omitted herein for brevity and clarity.
Example one
A thread trimming apparatus, comprising:
the cutting device comprises a first bracket, a second bracket and a cutter, wherein a first cutting sheet is arranged on the first bracket;
the driving assembly is fixedly provided with a first driving sheet, and the driving assembly drives the first driving sheet to move towards the first cutting sheet under the driving action of external force so as to cut the surgical suture.
The working principle of the technical scheme is as follows: when the first driving piece is in contact with the surgical suture line in the moving process of the first driving piece, the first driving piece drives the surgical suture line to move towards the first cutting piece together until the surgical suture line is cut off in the state that the first driving piece is in contact with the first cutting piece.
Schematically, as shown in fig. 1, a thread trimming device includes a first bracket 1 and a driving assembly 2, a first cutting blade 11 is mounted on the first bracket 1, a first driving blade 21 and a threading channel 4 matching with the first driving blade are disposed on the driving assembly 2, after a surgical suture 3 passes through the threading channel 4, the driving assembly 2 is pulled so that the driving assembly drives the first driving blade 21 to move towards the first cutting blade 11, when the first driving blade 21 contacts the surgical suture 3, the first driving blade 21 drives the surgical suture 3 to move together towards the first cutting blade 11 until the first driving blade 21 covers the threading channel, and the surgical suture is cut by the first cutting blade 11.
In the minimally invasive surgery process, the length of the surgical wound is 5-10 cm, the surgical space is usually a long and thin narrow space, and particularly in the surgery of valve repair and the like, the inside of the surgical space is an important lumen, or a tissue with rich blood vessels, or a blood vessel or a small bronchus and other parts, so that the effect after damage is serious; because the first driving sheet in a motion state is made of a blunt sheet material in the process of cutting the surgical suture, the first driving sheet does not cause loss to human organs even if contacting the human organs in the motion process, and the bleeding of the tissues of the human organs in the surgical process is reduced. On the other hand, especially, because the first driving piece and the first cutting piece are always positioned on the same plane in the whole thread cutting process, the space required for finishing thread cutting is smaller, which is beneficial to implementing thread cutting operation in human tissues with narrow space.
As shown in fig. 2 and 3, as a further preferred embodiment, the first holder 1 has a cylindrical shape, and the first holder is provided with a first cutting-fixing hole 12 for fixing the first cutting piece 11 and a first holder through-hole 13 for forming the threading passage. Wherein the stroke distance of the first holder through hole 13 is greater than the stroke distance of the first cutting fixture hole 12.
Further, in the thread trimming device, the driving assembly 2 includes a cylindrical second bracket 22 and the first driving plate fixedly disposed in the second bracket 22; the second support 22 is arranged in the first support 1 and can slide relative to the first support, a driving assembly through hole 24 and a first driving sheet stroke hole 25 which are matched with the first support through hole 13 are arranged on the second support 22, the first support through hole 13 is combined with the driving assembly through hole 24 to form the threading channel 4, and the first driving sheet is arranged in the first driving sheet stroke hole 25 and can move along the first driving sheet stroke hole 25.
Set up first support, drive assembly into cylindrically, aim at making parts such as first cutting blade, first drive plate all installed in a relative confined cavity for sharp first cutting blade can not contact human organ in getting into the operation space, avoids first cutting blade to cause bleeding point or wound in the operation process, influences the operation security.
Further, the first driving plate 21 is made of a non-metal material, preferably a plastic material, and since a disposable surgical instrument is generally used to improve the safety of the minimally invasive surgery, the production cost of the thread trimming device can be reduced by using the plastic first driving plate.
Further, still include actuating lever 5, actuating lever 5 one end with drive assembly 2 fixed connection, the other end of actuating lever 5 stretches out the trimming device, because actuating lever 5 with drive assembly 2 fixed connection, apply to the pulling force of actuating lever 5 can directly be transmitted to drive assembly 2 to make drive assembly 2 drive first drive plate 21 and take place to remove under the effect of pulling force.
By providing the drive lever 5, it is intended to make it possible to extend the distance between the thread cutting functional part and the external operating part in the thread cutting device, for example, in a state where the drive lever 5 is long, the operator can perform a thread cutting operation at a position far from the operating space.
Example two
As shown in fig. 4 and 5, the present application further provides a wire cutter, including: the thread trimming device 100 according to any one of the above embodiments further includes:
a tube 200 fixedly connected to the thread cutting device 100 such that the driving rod 5 extends along the inside of the tube 200.
As a further preferred embodiment, the above-mentioned thread trimmer further comprises a connecting device 300, wherein the connecting device 300 is disposed between the tube 200 and the thread trimming device 100. Further, the connecting device 300 includes a first protrusion 301 and a second protrusion 302, the first protrusion 301 is respectively and fixedly connected to the driving assembly 2 and the driving rod 5, the second protrusion 302 is connected to the tube 200 and the first bracket 1 in a matching manner, and the first protrusion 301 is fixedly connected to the driving assembly 2 and the driving rod 5, so that the acting force of the driving rod 5 is transmitted to the driving assembly 2 through the first protrusion 301.
Specifically, the first protrusion 301 is provided with a first protrusion plug hole 3011 for inserting and tightly fitting the driving rod 5. A second protrusion through hole 3022 is disposed in the second protrusion 302, and the driving rod 5 is inserted into the first protrusion plug hole 3011 and extends through the second protrusion through hole 3022.
In this embodiment, the working principle of a thread trimmer is the same as that of the thread trimming device, and is not described herein again.
Further, as shown in fig. 6 and 7, the present application further discloses a wire cutter, wherein, further comprising,
the driving handle 1100, the one end fixed connection of driving handle the wire cutter, the inside of driving handle is provided with holds the passageway that actuating lever 5 and body run through, the other end of driving handle 1100 is provided with a mobilizable pull ring 1102, pull ring fixed connection the actuating lever 5.
As a further preferred embodiment, the pull ring further comprises a protective cover 1300, the protective cover 1300 is disposed at the other end of the driving handle 1100 and closes the passage, and an elastic element 1400 is disposed between the pull ring and the protective cover.
The working principle of the medical device is as follows: the operator holds the drive handle of medical device to make the protection casing body to contact operator's palm of the hand, operator's finger alternate in inside the pull ring, operator's finger exerts the pulling force so that the pull ring drives the actuating lever takes place the motion, and the in-process of actuating lever motion drives first driving plate orientation first cutting piece motion is in order to realize the trimming purpose.
After the operator releases the pulling force on the pull ring, the elastic element 1400 pushes the pull ring in the opposite direction to restore the first cutting blade.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A thread trimming apparatus, comprising:
the cutting device comprises a first bracket, a second bracket and a cutter, wherein a first cutting sheet is arranged on the first bracket;
the driving assembly is fixedly provided with a first driving sheet, and the driving assembly drives the first driving sheet to move towards the first cutting sheet under the driving action of external force so as to cut the surgical suture.
2. The thread trimmer according to claim 1, wherein the first bracket has a cylindrical shape, and the first bracket is provided with a first cutting-fixing hole for fixing the first cutting blade and a first bracket through-hole for forming a threading passage.
3. The thread trimmer according to claim 2, wherein the driving assembly is disposed inside the first bracket, the driving assembly is provided with a driving assembly through hole and a first driving plate travel hole, the driving assembly through hole matches with the first bracket through hole, the first bracket through hole and the driving assembly through hole form the threading channel, and the first driving plate is disposed inside the first driving plate travel hole and can move along the first driving plate travel hole.
4. The thread trimming apparatus according to claim 1, wherein the first driving plate is formed of a non-metallic material.
5. The thread trimming apparatus according to claim 1, further comprising a driving rod, one end of the driving rod being fixedly connected to the driving assembly, and the other end of the driving rod extending out of the thread trimming apparatus.
6. A wire trimmer, comprising: a thread trimming apparatus according to any one of claims 1 to 5, further comprising:
the pipe body is fixedly connected with the thread trimming device, so that the driving rod extends along the interior of the pipe body.
7. A thread trimmer according to claim 6 further comprising a connection means disposed between said body and said thread trimming means.
8. The wire cutter as claimed in claim 7, wherein the connecting device comprises a first protrusion and a second protrusion, the second protrusion is fixedly connected to the tube and the first bracket, the first protrusion is fixedly connected to the driving member and the driving rod, preferably, one end of the first protrusion is fixedly connected to the driving member, a first protrusion plug hole for fixing the driving rod is disposed at the other end of the first protrusion, the second protrusion is provided with a second protrusion through hole for allowing the driving rod to pass through, and the driving rod is inserted into the first protrusion plug hole and extends through the second protrusion through hole.
9. The wire cutter of claim 7, further comprising,
the driving handle is provided with a channel for accommodating the tube body and/or the driving rod to penetrate through, the other end of the driving handle is provided with a movable pull ring, and the pull ring is fixedly connected with the driving rod.
10. The wire trimmer of claim 9, further comprising a protective cap disposed at the other end of the actuation handle and closing the passageway, wherein a resilient member is disposed between the pull ring and the protective cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111421385.5A CN113925548B (en) | 2021-11-26 | 2021-11-26 | Thread cutting device and thread cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111421385.5A CN113925548B (en) | 2021-11-26 | 2021-11-26 | Thread cutting device and thread cutting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113925548A true CN113925548A (en) | 2022-01-14 |
| CN113925548B CN113925548B (en) | 2024-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111421385.5A Active CN113925548B (en) | 2021-11-26 | 2021-11-26 | Thread cutting device and thread cutting device |
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| Country | Link |
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| CN (1) | CN113925548B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060004409A1 (en) * | 2004-05-14 | 2006-01-05 | Nobis Rudolph H | Devices for locking and/or cutting a suture |
| US20070005081A1 (en) * | 2005-06-30 | 2007-01-04 | Findlay Thomas R Iii | System, apparatus, and method for fastening tissue |
| US20110029012A1 (en) * | 2009-07-28 | 2011-02-03 | St. Jude Medical Puerto Rico Llc | Dual hypotube suture cutting device and methods |
| US20120158023A1 (en) * | 2010-12-16 | 2012-06-21 | Vladimir Mitelberg | Endoscopic Suture Cinch System |
| CN104306034A (en) * | 2014-11-10 | 2015-01-28 | 纪勇 | Deep knot-pushing suture shearing device |
| CN209203373U (en) * | 2018-10-11 | 2019-08-06 | 盐城市中医院 | A kind of Multifunctional deep medicinal cutter |
| CN110893113A (en) * | 2019-12-17 | 2020-03-20 | 江苏博朗森思医疗器械有限公司 | Special pull-type thread cutter for degradable occluder |
| WO2021185323A1 (en) * | 2020-03-20 | 2021-09-23 | 杭州德晋医疗科技有限公司 | Forward-pushing release type suture line locking device |
| CN216675822U (en) * | 2021-11-26 | 2022-06-07 | 上海以心医疗器械有限公司 | Thread trimming device and thread trimming device |
-
2021
- 2021-11-26 CN CN202111421385.5A patent/CN113925548B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060004409A1 (en) * | 2004-05-14 | 2006-01-05 | Nobis Rudolph H | Devices for locking and/or cutting a suture |
| US20070005081A1 (en) * | 2005-06-30 | 2007-01-04 | Findlay Thomas R Iii | System, apparatus, and method for fastening tissue |
| US20110029012A1 (en) * | 2009-07-28 | 2011-02-03 | St. Jude Medical Puerto Rico Llc | Dual hypotube suture cutting device and methods |
| US20120158023A1 (en) * | 2010-12-16 | 2012-06-21 | Vladimir Mitelberg | Endoscopic Suture Cinch System |
| CN104306034A (en) * | 2014-11-10 | 2015-01-28 | 纪勇 | Deep knot-pushing suture shearing device |
| CN209203373U (en) * | 2018-10-11 | 2019-08-06 | 盐城市中医院 | A kind of Multifunctional deep medicinal cutter |
| CN110893113A (en) * | 2019-12-17 | 2020-03-20 | 江苏博朗森思医疗器械有限公司 | Special pull-type thread cutter for degradable occluder |
| WO2021185323A1 (en) * | 2020-03-20 | 2021-09-23 | 杭州德晋医疗科技有限公司 | Forward-pushing release type suture line locking device |
| CN216675822U (en) * | 2021-11-26 | 2022-06-07 | 上海以心医疗器械有限公司 | Thread trimming device and thread trimming device |
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| Publication number | Publication date |
|---|---|
| CN113925548B (en) | 2024-07-19 |
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