CN109646067B - Vascular anastomat - Google Patents
Vascular anastomat Download PDFInfo
- Publication number
- CN109646067B CN109646067B CN201910152869.0A CN201910152869A CN109646067B CN 109646067 B CN109646067 B CN 109646067B CN 201910152869 A CN201910152869 A CN 201910152869A CN 109646067 B CN109646067 B CN 109646067B
- Authority
- CN
- China
- Prior art keywords
- blood vessel
- sleeve
- vascular
- shaft
- sleeve shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000002792 vascular Effects 0.000 title claims abstract description 84
- 210000004204 blood vessel Anatomy 0.000 claims abstract description 152
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 5
- 238000009958 sewing Methods 0.000 claims description 2
- 230000003872 anastomosis Effects 0.000 abstract description 9
- 238000003825 pressing Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000009966 trimming Methods 0.000 description 2
- 206010063659 Aversion Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001356 surgical procedure 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
- A61B17/04—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
Abstract
The invention relates to a vascular anastomat, wherein a sleeve shaft of an outer sleeve blood vessel and a sleeve shaft of an inner sleeve blood vessel are respectively fixed on two sides of a connecting body, blood vessel limiting structures are respectively arranged on the inner sides of the sleeve shaft of the outer sleeve blood vessel and the sleeve shaft of the inner sleeve blood vessel, the sleeve blood vessel pressing heads are uniformly distributed along the circumferential direction of the sleeve shaft of the outer sleeve blood vessel and can be matched with the sleeve shaft of the inner sleeve blood vessel to compress the inner sleeve blood vessel, opening blades are uniformly distributed along the circumferential direction of the sleeve shaft of the outer sleeve blood vessel and can be matched with the sleeve shaft of the outer sleeve blood vessel to cut the outer sleeve blood vessel, sleeve vascular threading grooves are formed in the sleeve shaft of the inner sleeve blood vessel along the circumferential direction, and the circumferential positions of the sleeve vascular threading grooves of the sleeve are corresponding to the sleeve vascular threading grooves of the outer sleeve blood vessel. The invention can ensure the vascular anastomosis precision, reduce the operation difficulty and improve the operation efficiency.
Description
Technical Field
The invention belongs to the technical field of vascular anastomosis connection, and particularly relates to a vascular anastomat.
Background
Existing wilt vascular anastomosis surgery (Ren anastomosis) is a completely manual procedure, with the surgical steps presumably including: early preparation such as vessel exposure, trimming of vessel section, 180 DEG opening of sleeve end vessel, two-needle suture of sleeve end opening side and sleeve end, two-needle self-suture of sleeve end and later operation.
In order to ensure better anastomosis effect, the prior vascular anastomosis operation has high requirement on micromanipulation precision, and also leads to longer operation time, and meanwhile, a doctor needs to be trained for a longer time to perform the operation.
Disclosure of Invention
The invention aims to solve the technical problem of providing a vascular anastomat, which can ensure vascular anastomosis precision, reduce operation difficulty and improve operation efficiency.
The invention provides a vascular anastomat, which comprises a connector, an outer vascular sleeve shaft, an inner vascular sleeve shaft, a plurality of outer vascular press heads, a plurality of opening blades and a plurality of inner vascular press heads, wherein the outer vascular sleeve shaft and the inner vascular sleeve shaft are respectively fixed on two sides of the connector, the inner sides of the outer vascular sleeve shaft and the inner vascular sleeve shaft are respectively provided with a vascular limiting structure, the plurality of outer vascular press heads are uniformly distributed along the circumferential direction of the outer vascular sleeve shaft and can be matched with the axial surface of the outer vascular sleeve shaft to compress an outer vascular, the plurality of inner vascular press heads are uniformly distributed along the circumferential direction of the inner vascular sleeve shaft and can be matched with the axial surface of the inner vascular sleeve shaft to compress an inner vascular, the plurality of opening blades are uniformly distributed along the circumferential direction of the outer vascular sleeve shaft and can be matched with the axial surface of the outer vascular sleeve shaft to cut the outer vascular, the outer vascular sleeve shaft is respectively provided with a plurality of vascular wire penetrating grooves, the circumferential direction of the inner vascular sleeve shaft is provided with a plurality of vascular wire penetrating grooves, and the positions of the inner vascular sleeve wire penetrating grooves correspond to the circumferential direction of the outer vascular wire penetrating grooves.
The inner side of the outer blood vessel sleeve shaft is provided with an outer blood vessel limiting ring, a step-shaped limiting structure is formed between the outer blood vessel limiting ring and the outer blood vessel sleeve shaft, and the inner side of the inner blood vessel sleeve shaft is provided with an inner blood vessel limiting ring, and a step-shaped limiting structure is formed between the inner blood vessel limiting ring and the inner blood vessel sleeve shaft.
The inner side end of the outer blood vessel pressure head is fixed on the connecting body, the outer side end of the outer blood vessel pressure head forms a pressure foot, and a matched compression structure with adjustable compression gap is formed between the pressure foot and the axial surface of the outer blood vessel pressure head.
The inner side end of the inner sleeve blood vessel pressure head is fixed on the connecting body, the outer side end of the inner sleeve blood vessel pressure head forms a pressure foot, and a matched compression structure with adjustable compression gap is formed between the pressure foot and the axial surface of the inner sleeve blood vessel sleeve.
The opening blade is fixed on the connecting body through a connecting piece with activity, and the knife edge direction of the opening blade faces to the axial surface of the outer sleeve blood vessel sleeve.
The outer blood vessel threading groove comprises an outer blood vessel sleeving threading groove and two outer blood vessel incision self-connecting threading grooves, the two outer blood vessel incision self-connecting threading grooves are positioned on two sides of the outer blood vessel sleeving threading groove, a first outer side port of the outer blood vessel sleeving threading groove is an outer blood vessel sleeving stitching needle threading point, and the first outer side port is corresponding to the outer side end of the opening blade.
The outer blood vessel sleeve joint threading groove and the outer blood vessel notch extend from the inner side end of the connecting threading groove to the outer blood vessel limiting ring at the inner side of the outer blood vessel sleeve shaft to form an open threading cavity structure.
The second outer side ports of the inner sleeve blood vessel sleeving threading groove are inner sleeve blood vessel sleeving and stitching needle threading points, the positions of the second outer side ports distributed along the circumferential direction correspond to the positions of the first outer side ports distributed along the circumferential direction, and the inner side end of the inner sleeve blood vessel sleeving threading groove extends to the inner sleeve blood vessel limiting ring at the inner side of the inner sleeve blood vessel sleeving shaft to form an open threading cavity structure.
The connecting body is connected with an operating handle.
The outer side ends of the outer blood vessel sleeve shaft and the inner blood vessel sleeve shaft are both provided with round-corner smoothing structures.
Advantageous effects
The invention can utilize the blood vessel pressure head to compress and prevent the displacement of the blood vessels which are sleeved on the sleeve shafts at the two sides and need to be sleeved inside and outside, the sleeve ends of the outer sleeve blood vessels are provided with standard and accurate openings (such as standard 180-degree symmetrical openings) through the opening blades, the suture points between the inner sleeve blood vessels and the outer sleeve blood vessels are threaded through the threading grooves, and the suture points of the incisions of the sleeve ends of the outer sleeve blood vessels are threaded through the threading grooves which are preset on the sleeve shafts, so that the accuracy of the threading positions and the success rate of the inserting needles can be ensured. Therefore, the invention can ensure the vascular anastomosis precision, is beneficial to reducing the operation difficulty and improving the operation efficiency.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
The invention will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present invention and are not intended to limit the scope of the present invention. Further, it is understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the present invention, and such equivalents are intended to fall within the scope of the claims appended hereto.
The vascular anastomat shown in fig. 1 comprises a connector 1, an outer vascular sleeve shaft 2, an inner vascular sleeve shaft 3, two outer vascular indenters 4, two opening blades 5 and two inner vascular indenters 6.
The outer blood vessel sleeve shaft 2 and the inner blood vessel sleeve shaft 3 are symmetrically fixed on two sides of the connecting body 1 respectively, the outer side ends of the outer blood vessel sleeve shaft 2 and the inner blood vessel sleeve shaft 3 are both provided with round-corner smooth structures, and the connecting body 1 is connected with an operating handle 11. The inner side of the outer blood vessel sleeve shaft 2 is provided with an outer blood vessel limiting ring 9, and a step-shaped limiting structure is formed between the outer blood vessel limiting ring 9 and the outer blood vessel sleeve shaft 2, so that the depth of the outer blood vessel sleeve on the outer blood vessel sleeve shaft 2 can be limited. The inner side of the inner sleeve vascular sleeve shaft 3 is provided with an inner sleeve vascular limiting ring 10, and a step-shaped limiting structure is formed between the inner sleeve vascular limiting ring 10 and the inner sleeve vascular sleeve shaft 3, so that the depth of the inner sleeve vascular sleeve on the inner sleeve vascular sleeve shaft 3 can be limited.
The two outer blood vessel pressure heads 4 are symmetrically arranged along the circumferential direction of the outer blood vessel sleeve shaft 2, and the two outer blood vessel pressure heads 4 can be matched with the axial surface of the outer blood vessel sleeve shaft 2 to compress the outer blood vessel. The inner side end of the outer blood vessel pressure head 4 is fixed on the connector 1, the outer side end forms a pressure foot, and a matched compression structure with adjustable compression gap is formed between the pressure foot and the axial surface of the outer blood vessel sleeve shaft 2. The two inner sleeve vascular pressure heads 6 are symmetrically arranged along the circumferential direction of the inner sleeve vascular sleeve shaft 3, and the two inner sleeve vascular pressure heads 6 can be matched with the axial surface of the inner sleeve vascular sleeve shaft 3 to compress the inner sleeve vascular. The inner side end of the inner sleeve vascular pressure head 6 is fixed on the connector 1, the outer side end forms a pressure foot, and a matched compression structure with adjustable compression gap is formed between the pressure foot and the axial surface of the inner sleeve vascular sleeve shaft 3.
The two opening blades 5 are symmetrically distributed along the circumferential direction of the sleeve shaft 2 of the outer blood vessel, the two opening blades 5 and the two pressure heads 4 of the outer blood vessel form a mutually perpendicular position relationship along the circumferential direction of the sleeve shaft 2 of the outer blood vessel, and the two opening blades 5 can be matched with the axial surface of the sleeve shaft 2 of the outer blood vessel to cut the sleeved end of the outer blood vessel. The opening blade 5 is fixed on the connector 1 through a connector with activity, and the knife edge direction of the opening blade 5 faces to the axial surface of the sleeve shaft 2 of the coat blood vessel.
The coat blood vessel sleeve shaft 2 is provided with coat blood vessel threading grooves 7 corresponding to the two opening blades 5 respectively. The outer blood vessel threading groove 7 comprises an outer blood vessel sleeving threading groove 7-1 and two outer blood vessel incision self-threading grooves 7-2, wherein the two outer blood vessel incision self-threading grooves 7-2 are positioned on two sides of the outer blood vessel sleeving threading groove 7-1. The first outer side port 7-3 of the sleeve blood vessel sleeving threading groove 7-1 is a sleeve blood vessel sleeving sewing threading point, and the first outer side port 7-3 is arranged corresponding to the outer side end of the opening blade 5. The sleeve blood vessel sleeving threading groove 7-1 and the sleeve blood vessel incision extend from the inner side end of the connecting threading groove 7-2 to the sleeve blood vessel limiting ring 9 to form an open threading cavity structure.
The inner sleeve vascular sleeve shaft 3 is provided with two inner sleeve vascular sleeve penetrating grooves 8 along the circumferential direction, and the circumferential positions of the two inner sleeve vascular sleeve penetrating grooves 8 correspond to the circumferential positions of the two outer sleeve vascular sleeve penetrating grooves 7-1. The second outer side ports 8-1 of the inner sleeve blood vessel sleeving and stitching needle threading groove 8 are inner sleeve blood vessel sleeving and stitching needle threading points, and the positions of the two second outer side ports 8-1 distributed along the circumferential direction correspond to the positions of the two first outer side ports 7-3 distributed along the circumferential direction. The inner side end of the inner sleeve vascular sleeve threading groove 8 extends to the inner sleeve vascular limiting ring 10 to form an open threading cavity structure.
The vascular anastomat can utilize the vascular pressure head to compress tightly the blood vessel that needs to cup joint inside and outside of dress cover on the sleeve shaft of both sides and prevent the aversion, carries out standard accurate 180 symmetrical opening to the cup joint end of outer cover blood vessel through opening blade, carries out the threading to the suture point between the interior outer sleeve blood vessel and carries out the threading to the suture point of outer cover blood vessel cup joint end notched through the threading groove, and the threading groove sets up in advance on the sleeve shaft can guarantee the accuracy of threading position and the success rate of contact pin.
Based on the vascular anastomat, the operation process of vascular anastomosis is modified into the following steps: early preparation of blood vessel exposure, trimming of the blood vessel section, sleeving of the blood vessel on the blood vessel sleeve shaft, pressing of the blood vessel by the blood vessel pressure head, cutting of the blood vessel by the opening blade, threading of the anastomotic butt joint suture and the incision self-connecting suture through the threading slot, withdrawing of the blood vessel anastomat, suture knot and later operation. It can be seen that some accurate operations in the operation process are realized through the vascular anastomat, and the influence of human factors on the operation accuracy can be greatly eliminated.
Claims (10)
1. A vascular anastomat, which is characterized in that: comprises a connecting body (1), an outer sleeve blood vessel sleeve shaft (2), an inner sleeve blood vessel sleeve shaft (3), a plurality of outer sleeve blood vessel press heads (4), a plurality of opening blades (5) and a plurality of inner sleeve blood vessel press heads (6), wherein the outer sleeve blood vessel sleeve shaft (2) and the inner sleeve blood vessel sleeve shaft (3) are respectively fixed on two sides of the connecting body (1), the inner sides of the outer sleeve blood vessel sleeve shaft (2) and the inner sleeve blood vessel sleeve shaft (3) are respectively provided with a blood vessel limit structure, the plurality of outer sleeve blood vessel press heads (4) are uniformly distributed along the circumferential direction of the outer sleeve blood vessel sleeve shaft (2) and can be matched with the axial surface of the outer sleeve blood vessel sleeve shaft (2) to press the outer sleeve blood vessel, the plurality of opening blades (6) are uniformly distributed along the circumferential direction of the inner sleeve blood vessel sleeve shaft (3) and can be matched with the axial surface of the inner sleeve blood vessel sleeve shaft (3) to press the inner sleeve blood vessel, the plurality of opening blades (5) are uniformly distributed along the circumferential direction of the outer sleeve blood vessel sleeve shaft (2) and can be matched with the axial surface of the outer sleeve blood vessel sleeve shaft (2) to cut the outer sleeve blood vessel, the outer sleeve blood vessel (2) is correspondingly provided with a plurality of opening grooves (7), the inner sleeve blood vessel sleeve shaft (3) is provided with a plurality of inner sleeve blood vessel sleeve penetrating grooves (8) along the circumferential direction, and the circumferential positions of the inner sleeve blood vessel sleeve penetrating grooves (8) correspond to the outer sleeve blood vessel penetrating grooves (7).
2. A vascular anastomat according to claim 1, wherein: the inner side of the outer blood vessel sleeve shaft (2) is provided with an outer blood vessel limiting ring (9), a step limiting structure is formed between the outer blood vessel limiting ring (9) and the outer blood vessel sleeve shaft (2), the inner side of the inner blood vessel sleeve shaft (3) is provided with an inner blood vessel limiting ring (10), and a step limiting structure is formed between the inner blood vessel limiting ring (10) and the inner blood vessel sleeve shaft (3).
3. A vascular anastomat according to claim 1, wherein: the inner side end of the outer blood vessel pressure head (4) is fixed on the connecting body (1), the outer side end of the outer blood vessel pressure head forms a pressure foot, and a matched compression structure with adjustable compression gap is formed between the pressure foot and the axial surface of the outer blood vessel sleeve shaft (2).
4. A vascular anastomat according to claim 1, wherein: the inner side end of the inner sleeve blood vessel pressure head (6) is fixed on the connecting body (1), the outer side end of the inner sleeve blood vessel pressure head forms a pressure foot, and a matched compression structure with adjustable compression gap is formed between the pressure foot and the axial surface of the inner sleeve blood vessel sleeve shaft (3).
5. A vascular anastomat according to claim 1, wherein: the opening blade (5) is fixed on the connecting body (1) through a connecting piece with activity, and the knife edge direction of the opening blade (5) faces to the axial surface of the sleeve shaft (2) of the blood vessel.
6. A vascular anastomat according to claim 1, wherein: the outer blood vessel threading groove (7) comprises an outer blood vessel sleeving threading groove (7-1) and two outer blood vessel incision self-connecting threading grooves (7-2), the two outer blood vessel incision self-connecting threading grooves (7-2) are positioned on two sides of the outer blood vessel sleeving threading groove (7-1), a first outer side port (7-3) of the outer blood vessel sleeving threading groove (7-1) is an outer blood vessel sleeving sewing threading needle point, and the first outer side port (7-3) is corresponding to the outer side end of the opening blade (5).
7. The vessel stapler of claim 6, wherein: the outer blood vessel sleeving threading groove (7-1) and the outer blood vessel incision extend from the inner side end of the connecting threading groove (7-2) to the outer blood vessel limiting ring (9) at the inner side of the outer blood vessel sleeving shaft (2) to form an open threading cavity structure.
8. The vessel stapler of claim 6, wherein: the second outer side ports (8-1) of the inner sleeve vascular sleeving threading groove (8) are inner sleeve vascular sleeving stitching needle threading points, the positions of the second outer side ports (8-1) distributed along the circumferential direction correspond to the positions of the first outer side ports (7-3) distributed along the circumferential direction, and the inner side ends of the inner sleeve vascular sleeving threading groove (8) extend to the inner side of the inner sleeve vascular sleeving shaft (3) to form an open threading cavity structure.
9. A vascular anastomat according to claim 1, wherein: an operation handle (11) is connected to the connector (1).
10. A vascular anastomat according to claim 1, wherein: the outer side ends of the outer sleeve vascular sleeve shaft (2) and the inner sleeve vascular sleeve shaft (3) are both provided with round-corner smooth structures.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910152869.0A CN109646067B (en) | 2019-02-28 | 2019-02-28 | Vascular anastomat |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910152869.0A CN109646067B (en) | 2019-02-28 | 2019-02-28 | Vascular anastomat |
Publications (2)
Publication Number | Publication Date |
---|---|
CN109646067A CN109646067A (en) | 2019-04-19 |
CN109646067B true CN109646067B (en) | 2024-02-23 |
Family
ID=66123367
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910152869.0A Active CN109646067B (en) | 2019-02-28 | 2019-02-28 | Vascular anastomat |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109646067B (en) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN85106639A (en) * | 1985-09-03 | 1987-03-25 | 第三军医大学野战外科研究所 | blood vessel anastomat |
WO2000069349A1 (en) * | 1999-05-18 | 2000-11-23 | Vascular Innovations, Inc. | Tissue punch |
CN204581380U (en) * | 2015-04-20 | 2015-08-26 | 秦涛 | Artificial blood vessel's bridge joint anastomat |
CN107088080A (en) * | 2017-06-09 | 2017-08-25 | 美茵(北京)医疗器械研发有限公司 | Blood vessel anastomat and its anastomosis procedure method |
CN206852625U (en) * | 2016-11-30 | 2018-01-09 | 李健 | Blood vessel stitching component and blood vessel anastomat |
CN109157253A (en) * | 2018-11-05 | 2019-01-08 | 王志东 | A kind of enteric cavity stapler of modified form |
CN209808441U (en) * | 2019-02-28 | 2019-12-20 | 上海交通大学医学院附属第九人民医院 | Blood vessel anastomat |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU751430B2 (en) * | 1995-02-24 | 2002-08-15 | Heartport, Inc. | Devices and methods for performing a vascular anastomosis |
-
2019
- 2019-02-28 CN CN201910152869.0A patent/CN109646067B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN85106639A (en) * | 1985-09-03 | 1987-03-25 | 第三军医大学野战外科研究所 | blood vessel anastomat |
WO2000069349A1 (en) * | 1999-05-18 | 2000-11-23 | Vascular Innovations, Inc. | Tissue punch |
CN204581380U (en) * | 2015-04-20 | 2015-08-26 | 秦涛 | Artificial blood vessel's bridge joint anastomat |
CN206852625U (en) * | 2016-11-30 | 2018-01-09 | 李健 | Blood vessel stitching component and blood vessel anastomat |
CN107088080A (en) * | 2017-06-09 | 2017-08-25 | 美茵(北京)医疗器械研发有限公司 | Blood vessel anastomat and its anastomosis procedure method |
CN109157253A (en) * | 2018-11-05 | 2019-01-08 | 王志东 | A kind of enteric cavity stapler of modified form |
CN209808441U (en) * | 2019-02-28 | 2019-12-20 | 上海交通大学医学院附属第九人民医院 | Blood vessel anastomat |
Also Published As
Publication number | Publication date |
---|---|
CN109646067A (en) | 2019-04-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US10136888B2 (en) | Circular stapler and staple head assembly thereof | |
EP2347725A1 (en) | Compact jaw including split pivot pin | |
CN106510808A (en) | Puncture outfit comprising combined working blade | |
CN109646067B (en) | Vascular anastomat | |
CN105615934A (en) | Tubular anastomat | |
CN209808441U (en) | Blood vessel anastomat | |
CN203379152U (en) | Heart hole former | |
CN108261228A (en) | A kind of puncture outfit | |
CN115607208A (en) | Locking tangent assembly and locking tangent device | |
CN211213317U (en) | Nail bin structure and foreskin anastomat using same | |
CN219331824U (en) | Portable aortic cannula | |
CN203425103U (en) | Fish hook type deep soft tissue stitching instrument | |
CN107007331B (en) | Built-in prepuce cutting stitching instrument with indicating device | |
CN110833442A (en) | Surgical blade | |
CN215384302U (en) | Straight type nail bin structure of intracavity cutting anastomat | |
JPH10328302A (en) | Injection needle | |
CN213430452U (en) | Artery blood vessel root stop-jump needle convenient for observing puncture position | |
CN217938338U (en) | Novel puncture tool bit | |
CN215384301U (en) | Straight intracavity cutting nail storehouse structure | |
CN219306800U (en) | Guiding structure of cutting suture device for endoscope | |
CN220735448U (en) | Cutter for suture trimming device and suture trimming device | |
CN213217506U (en) | Incision indication cover and puncture outfit using same | |
JPS6024331Y2 (en) | suture needle | |
CN219982976U (en) | Double-station skin incising edge hemostat for surgical operation | |
CN218606757U (en) | Ultrasonic knife with mist suction function |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |