CN110115616B - Subcutaneous nerve free cutter - Google Patents
Subcutaneous nerve free cutter Download PDFInfo
- Publication number
- CN110115616B CN110115616B CN201810233109.8A CN201810233109A CN110115616B CN 110115616 B CN110115616 B CN 110115616B CN 201810233109 A CN201810233109 A CN 201810233109A CN 110115616 B CN110115616 B CN 110115616B
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- China
- Prior art keywords
- ring
- semicircular
- nerve
- rod
- supporting plate
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- 210000005036 nerve Anatomy 0.000 title claims abstract description 99
- 238000007920 subcutaneous administration Methods 0.000 title claims abstract description 38
- 239000011148 porous material Substances 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 11
- 238000002683 hand surgery Methods 0.000 abstract description 8
- 238000002324 minimally invasive surgery Methods 0.000 abstract description 6
- 230000002950 deficient Effects 0.000 abstract description 5
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 206010052428 Wound Diseases 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 4
- 231100000241 scar Toxicity 0.000 description 4
- 208000032544 Cicatrix Diseases 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000037387 scars Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 210000002979 radial nerve Anatomy 0.000 description 2
- 210000001590 sural nerve Anatomy 0.000 description 2
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002682 general surgery Methods 0.000 description 1
- 230000008035 nerve activity Effects 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 238000002054 transplantation 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, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00969—Surgical instruments, devices or methods, e.g. tourniquets used for transplantation
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 application belongs to the field of surgical auxiliary instruments, and relates to a subcutaneous nerve free cutter which mainly comprises three structures of a ring, a plate and a rod; the ring consists of a single ring and a lantern ring; the plate consists of a supporting plate, a fixing ring and a semicircular ring; the fixing ring and the semicircular ring are attached to the supporting plate; the rod consists of a semicircular slice, a connecting rod and a rotating rod. The device is suitable for minimally invasive surgery of repairing defective nerves in orthopaedics or hand surgery, the trial result shows that the cross section of the subcutaneous nerve free cutter is tiny, the diameter of the whole ring is only 1.3cm, the blocking force is small when the subcutaneous tunnel moves, and the damage to surrounding normal tissues in the process of free nerves can be obviously reduced; the semicircular slice of the device is enclosed in the ring and is not exposed outside, and the damage to surrounding tissues caused by the slice in the free process can be obviously avoided only by carrying out rotary cutting at the windowed position.
Description
Technical Field
The application belongs to the field of operation auxiliary instruments, relates to a subcutaneous nerve free cutting device used in orthopaedics or hand surgery, and in particular relates to a subcutaneous nerve free cutting device which is suitable for minimally invasive surgery of repairing defective nerves in orthopaedics or hand surgery.
Background
In the traditional general surgery, especially in orthopaedics or hand surgery, nerve defects often take autologous nerve transplantation repair as a preferred scheme, and transplanted nerves are often selected from subcutaneous nerves such as sural nerves or radial nerves, in clinical practice, free nerves are often required to be taken, including subcutaneous nerves such as sural nerves and radial nerves, as transplanted nerves for transplanting and repairing defective nerves, however, practice shows that the existing subcutaneous nerve cutting operation is an open long incision operation, obvious long incision scars can be generated, the beauty is influenced, and the local joint flexion and extension functions are sometimes influenced, and the influence on scar physique is particularly remarkable; this has become a major concern for surgeons.
In view of the defects existing in the prior art, the inventor aims to provide a subcutaneous nerve free cutting device, which is suitable for minimally invasive surgery for repairing defective nerves in orthopaedics or hand surgery, can free and cut subcutaneous nerves with required length through corresponding inlets, is simple and convenient to operate, is minimally invasive, and keeps the wound of a patient attractive.
Disclosure of Invention
The application aims to overcome the defects or the shortcomings of the prior art, and provides a subcutaneous nerve free cutting device which is suitable for minimally invasive surgery for repairing defective nerves in orthopaedics or hand surgery, can free and cut subcutaneous nerves with required length through corresponding inlets, is simple and convenient to operate, is minimally invasive, and keeps the wound of a patient attractive.
Specifically, the application relates to a subcutaneous nerve free cutter which mainly comprises three structures of a ring, a plate and a rod;
in the application, the ring consists of a single ring 1 and a lantern ring 2, and the single ring is 2/3 circle; diameter 1.3cm, thickness 0.6cm; the lantern ring is semicircular, hollow and has the thickness of 0.6cm; the single ring can enter the lantern ring, and the diameter of a formed circle is 1.3cm; after the single ring enters the lantern ring, the nerve can be placed in a pore canal formed by the single ring and the supporting plate, and then the single ring is removed to surround the nerve;
in the application, the plate consists of a supporting plate 7, a fixed ring 5 and a semicircular ring 10; the support plate is directly connected with the inner edge of the lantern ring, and the maximum vertical distance between the support plate and the single ring is 0.8cm; nerves can pass through the tunnel formed by the single ring and the support plate; the distance from the top of the support plate to the two side edges is 0.2cm, the support plate is windowed 4, and the size of the windowed is 0.9cm x 0.2cm; the support plate fenestration 4 in the present application rotates the semicircular slice 3 (part belonging to the rod) through;
in the application, the fixed ring 5 and the semicircular ring 10 are both attached to the supporting plate 7; the fixing ring limits the connecting rod (belonging to the part of the rod) to move back and forth and left and right and can only rotate; the semicircle ring limits the falling of the connecting rod.
In the application, the surface of the supporting rod is provided with scales 6, so that the length of the cut nerve can be displayed;
in the application, the rod consists of a semicircular slice 3, a connecting rod 8 and a rotating rod; the semicircular slice and the rotary rod are both fixedly connected to the connecting rod, and the rotary connecting rod causes the semicircular slice to rotate through the window of the supporting plate so as to enter the duct to cut nerves; in the embodiment of the application, the diameter of the semicircular slice is 0.8cm, the nerve can be cut off in a rotating way, and the rotating rod 9 rotates the connecting rod, so that the semicircular blade cuts off the nerve through the windowing part of the supporting plate.
The subcutaneous nerve free cutter of the application is subjected to trial experiments,
firstly, making a small incision at the distal end of a selected subcutaneous nerve, sleeving the device into the selected nerve, dissociating the nerve from the distal end to the proximal end, estimating the dissociating length by scales on the surface of a supporting plate in the operation process, cutting off the proximal end of the nerve by a rotary connecting rod after the required length is reached, cutting off the distal end of the nerve positioned in the incision under direct vision, and withdrawing the device and simultaneously taking out the nerve;
when encountering obvious resistance in the process of freeing the nerve, indicating that the nerve branches enter the trunk, if the required length is not reached at the moment, making a small incision of 1-2cm at the resistance position to expose the nerve trunk, sleeving the ring into the nerve trunk, further freeing the ring to a position with enough length to cut off the nerve trunk, cutting off the other branch entering the trunk and the far end of the nerve, and taking out the nerve;
if a plurality of nerve branches are needed to be transplanted, the rest nerve branches can be cut off, the device is sleeved into another nerve branch at the trunk position, the nerve branches are free from the near end to the far end, the nerve branches are positioned at the bifurcation when encountering obvious resistance, and if the length is enough, the nerve branches can be cut off; if the length is insufficient, a small incision may be made at the resistance, the nerve branch may be exposed again, and the annulus may then be inserted into the nerve branch and severed further distally free to a sufficient length.
The experimental result shows that the subcutaneous nerve free cutting device is suitable for cutting subcutaneous nerves in minimally invasive surgery of free cutting subcutaneous nerves in orthopaedics or hand surgery, and has the advantages of simple operation, small scars and attractive wound.
The application has the beneficial effects that:
1, the cross section of the subcutaneous nerve free cutter is tiny, the diameter of the whole ring is only 1.3cm, the blocking force is small when the subcutaneous tunnel moves, and the damage to surrounding normal tissues in the process of free nerve can be obviously reduced;
2, the semicircular slice of the device is enclosed in the ring and is not exposed outside, and the damage to surrounding tissues caused by the slice in the free process can be obviously avoided only by carrying out rotary cutting at the windowed position.
Drawings
Fig. 1 is a schematic diagram of the composition structure of the parts of the device, wherein,
1. the device comprises a single ring, a lantern ring, a semicircular slice, a supporting plate window, a fixing ring, a supporting plate scale, a supporting plate, a connecting rod, a rotating rod and a semicircular ring.
FIG. 2 shows a schematic of a subcutaneous nerve free excision procedure;
wherein,
a: schematic of the procedure for free excision of subcutaneous nerves in the examples
B: a schematic diagram of the subcutaneous nerve free excision procedure of the device is shown in another embodiment.
Detailed Description
Example 1
The application prepares a subcutaneous nerve free cutter, which mainly comprises three structures of a ring, a plate and a rod;
the ring consists of a single ring 1 and a lantern ring 2, and the single ring is 2/3 of a circle; diameter 1.3cm, thickness 0.6cm; the lantern ring is semicircular, hollow and has the thickness of 0.6cm; the single ring can enter the lantern ring, and the diameter of a formed circle is 1.3cm;
the plate consists of a supporting plate 7, a fixed ring 5 and a semicircular ring 10; the support plate is directly connected with the inner edge of the lantern ring, and the maximum vertical distance between the support plate and the single ring is 0.8cm; nerves can pass through the tunnel formed by the single ring and the support plate; the distance from the top of the support plate to the two side edges is 0.2cm, the support plate is windowed 4, and the size of the windowed is 0.9cm x 0.2cm; the supporting plate is windowed 4 to enable the semicircular slice 3 (the part belonging to the rod) to rotate through;
the fixed ring 5 and the semicircular ring 10 are attached to the supporting plate 7; the fixing ring limits the connecting rod (belonging to the part of the rod) to move back and forth and left and right and can only rotate; the semicircular ring limits the connecting rod from falling down;
the surface of the support rod is provided with scales 6 which can display the length of the cut nerve;
the rod consists of a semicircular slice 3, a connecting rod 8 and a rotating rod; the semicircular slice and the rotary rod are both fixedly connected to the connecting rod, and the rotary connecting rod causes the semicircular slice to rotate through the window of the supporting plate so as to enter the duct to cut nerves; the diameter of the semicircular slice is 0.8cm, the nerve can be cut off in a rotating way, and the rotating rod 9 rotates the connecting rod, so that the semicircular blade cuts off the nerve through the windowing part of the supporting plate.
Example 2 subcutaneous nerve free excision experiment
In operation, as shown in fig. 2A, a small incision is made at the distal end of the subcutaneous nerve, the device ring is sleeved into the nerve, the nerve is dissociated from the distal end to the proximal end, the dissociated length is estimated by the scale on the surface of the supporting plate, after the required length is reached, the proximal end of the nerve is cut off by rotating the connecting rod, the distal end of the nerve positioned in the incision can be cut off under direct vision, and then the device is withdrawn and the nerve is taken out; if the nerve branches enter the trunk portion due to the apparent resistance encountered in the process of freeing the nerve, if the nerve branches do not reach the required length at the moment, a small incision of 1-2cm can be made at the resistance portion to expose the nerve trunk, then the ring is sleeved into the nerve trunk, the nerve branches are further dissociated to a sufficient length to be cut off, the other branch entering the trunk portion and the nerve distal end are cut off, and then the nerve is taken out.
Example 3 experiments were performed using the device for subcutaneous nerve free excision,
in operation, as shown in fig. 2B, the device is free from the proximal end to the distal end of the nerve trunk, indicating a bifurcation when exposed to significant resistance, if of sufficient length to sever; if the length is insufficient, a small incision can be made at the resistance to expose nerve branches, then the annulus can be placed over one of the nerve branches, and the annulus can be cut off further distally to free it to a sufficient length to determine if another nerve branch is still needed depending on the number of nerves needed, in the same manner as in example 2.
The trial result shows that the subcutaneous nerve free cutter is suitable for cutting subcutaneous nerves in the minimally invasive surgery of free cutting subcutaneous nerves in orthopedics or hand surgery, is simple and convenient to operate, has small scars and attractive wounds, and particularly has the advantages that the cross section of the subcutaneous nerve free cutter is small, the diameter of the whole ring is only 1.3cm, the blocking force is small when a subcutaneous tunnel moves, and the damage to surrounding normal tissues in the free nerve process can be obviously reduced; and the semicircular slice of the device is enclosed in the ring and is not exposed outside, and the damage of the slice to surrounding tissues in the free process can be obviously avoided only by carrying out rotary cutting at the windowed position.
Claims (5)
1. The subcutaneous nerve free cutter is characterized by mainly comprising three structures of a ring, a plate and a rod;
the ring consists of a single ring (1) and a lantern ring (2);
the plate consists of a supporting plate (7), a fixing ring (5) and a semicircular ring (10);
the fixing ring (5) and the semicircular ring (10) are both attached to the supporting plate (7);
the rod consists of a semicircular slice (3), a connecting rod (8) and a rotating rod (9);
the supporting plate (7) is directly connected with the inner edge of the lantern ring (2), and the maximum vertical distance between the supporting plate and the single ring (1) is 0.8cm;
the top and the edges of the two sides of the support plate are provided with support plate windowing (4) which enables the semicircular slices to pass through in a rotating way;
the semicircular slice (3) and the rotary rod (9) are both fixedly connected to the connecting rod (8), and the rotary connecting rod causes the semicircular slice to rotate, and the semicircular slice enters a duct through a window of the supporting plate to cut nerves;
the pore canal is formed by a single ring and a supporting plate.
2. A subcutaneous nerve freeness cutter according to claim 1, characterized in that the single ring (1) is 2/3 circle;
diameter 1.3cm, thickness 0.6cm;
the lantern ring (2) is semicircular, hollow and has the thickness of 0.6cm;
the single ring can enter the collar, and the diameter of the formed circle is 1.3cm.
3. The subcutaneous nerve free cutter according to claim 1, wherein the fixing ring (5) restricts the connecting rod (8) from moving back and forth, left and right, and can only rotate;
the semicircle ring (10) limits the falling of the connecting rod.
4. A subcutaneous nerve free cutter as claimed in claim 1, wherein the surface of the support plate (7) is provided with graduations (6) to indicate the length of nerve to be cut.
5. The device according to claim 1, wherein the opening (4) of the support plate is arranged at a distance of 0.2cm from the top of the support plate and 0.18cm from the edges of both sides, and the opening of the support plate is 0.9cm by 0.2cm.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018101201379 | 2018-02-05 | ||
| CN201810120137 | 2018-02-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110115616A CN110115616A (en) | 2019-08-13 |
| CN110115616B true CN110115616B (en) | 2023-12-15 |
Family
ID=67146127
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810233109.8A Active CN110115616B (en) | 2018-02-05 | 2018-03-21 | Subcutaneous nerve free cutter |
| CN201820382981.4U Active CN209091540U (en) | 2018-02-05 | 2018-03-21 | Underlying nerve dissociates cutting device |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820382981.4U Active CN209091540U (en) | 2018-02-05 | 2018-03-21 | Underlying nerve dissociates cutting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN110115616B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110115616B (en) * | 2018-02-05 | 2023-12-15 | 复旦大学附属华山医院 | Subcutaneous nerve free cutter |
| CN112790834A (en) * | 2021-02-04 | 2021-05-14 | 上海市第六人民医院 | Device for minimally invasive cutting of autologous nerves without blood supply |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2418840Y (en) * | 2000-01-28 | 2001-02-14 | 东营市人民医院 | Annular saw for resection of intervertabral disc |
| WO2009145116A1 (en) * | 2008-05-27 | 2009-12-03 | 国立大学法人筑波大学 | Nerve elongation apparatus |
| US8465490B1 (en) * | 2010-01-29 | 2013-06-18 | Greatbatch Ltd. | Disposable neucleotomy shaver |
| CN103349589A (en) * | 2013-07-30 | 2013-10-16 | 四川省医学科学院（四川省人民医院） | Optic-nerve-sheath incision knife |
| CN203647435U (en) * | 2014-01-07 | 2014-06-18 | 杨春露 | Fiber ring undamaged scalpel |
| CN206508005U (en) * | 2016-10-17 | 2017-09-22 | 复旦大学附属华山医院 | The special stripper of underarm odor Minimally Invasive Surgery |
| WO2017176800A1 (en) * | 2016-04-04 | 2017-10-12 | HILTON, Kellen Arlen | Subcutaneous cutting device |
| CN209091540U (en) * | 2018-02-05 | 2019-07-12 | 复旦大学附属华山医院 | Underlying nerve dissociates cutting device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2276410A1 (en) * | 2008-04-21 | 2011-01-26 | Axogen, Inc. | Nerve elevator and method of use |
| US8790361B2 (en) * | 2012-05-23 | 2014-07-29 | Depuy Mitek, Llc | Methods and devices for cutting and removing tissue from a body |
-
2018
- 2018-03-21 CN CN201810233109.8A patent/CN110115616B/en active Active
- 2018-03-21 CN CN201820382981.4U patent/CN209091540U/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2418840Y (en) * | 2000-01-28 | 2001-02-14 | 东营市人民医院 | Annular saw for resection of intervertabral disc |
| WO2009145116A1 (en) * | 2008-05-27 | 2009-12-03 | 国立大学法人筑波大学 | Nerve elongation apparatus |
| US8465490B1 (en) * | 2010-01-29 | 2013-06-18 | Greatbatch Ltd. | Disposable neucleotomy shaver |
| CN103349589A (en) * | 2013-07-30 | 2013-10-16 | 四川省医学科学院（四川省人民医院） | Optic-nerve-sheath incision knife |
| CN203647435U (en) * | 2014-01-07 | 2014-06-18 | 杨春露 | Fiber ring undamaged scalpel |
| WO2017176800A1 (en) * | 2016-04-04 | 2017-10-12 | HILTON, Kellen Arlen | Subcutaneous cutting device |
| CN206508005U (en) * | 2016-10-17 | 2017-09-22 | 复旦大学附属华山医院 | The special stripper of underarm odor Minimally Invasive Surgery |
| CN209091540U (en) * | 2018-02-05 | 2019-07-12 | 复旦大学附属华山医院 | Underlying nerve dissociates cutting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110115616A (en) | 2019-08-13 |
| CN209091540U (en) | 2019-07-12 |
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