CN111436988A - Auxiliary device for suturing neurovascular - Google Patents
Auxiliary device for suturing neurovascular Download PDFInfo
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- CN111436988A CN111436988A CN202010394211.3A CN202010394211A CN111436988A CN 111436988 A CN111436988 A CN 111436988A CN 202010394211 A CN202010394211 A CN 202010394211A CN 111436988 A CN111436988 A CN 111436988A
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- neurovascular
- arc
- guide tube
- wall
- shaped
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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
- A61B17/0491—Sewing machines for surgery
Abstract
The invention discloses a neurovascular suture auxiliary device, which comprises two transparent guide tubes, a clamping forceps and a C-shaped forceps, wherein each guide tube consists of a first arc-shaped tube wall and a second arc-shaped tube wall, a first connecting end of each first arc-shaped tube wall is rotatably and fixedly connected with a first connecting end of each second arc-shaped tube wall, and the other second connecting end of each first arc-shaped tube wall is detachably connected with the other second connecting end of each second arc-shaped tube wall through a magnetic material; the guiding tube is sleeved at the tail end of the nerve vessel to be sutured, and a first magnetic material is arranged at one end of the guiding tube, which is flush with the section of the tail end; the guide pipe is provided with a plurality of needle leading-in holes penetrating through the wall of the guide pipe, and the needle leading-in holes are close to the cross section and are uniformly distributed along the radial direction; the wall of the guide tube between the needle guide hole and the cross section is provided with a plurality of neurovascular terminal fixators which are uniformly distributed along the radial direction. The invention greatly reduces the difficulty of operation, can assist doctors to normally and qualified finish microsurgery repair and improves the suture quality.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a neurovascular suture auxiliary device.
Background
In clinical and laboratory work of repair and reconstruction surgery and microsurgery, suture repair of fine structures such as nerve and blood vessels is very difficult, and doctors with shallow seniority are difficult to complete repair with guaranteed quality. Because medical resources in China are unevenly distributed, medical staff and medical instruments are very lack in remote areas, and the factor is more difficult to ensure that patients can be treated in a proper microsurgical manner.
Patent CN 201911098010.2 provides a blood vessel suturing device, which is provided with semicircular blocks, wherein two ends of a blood vessel are squeezed to the inner wall of a gap through squeezing blocks in the two semicircular blocks to complete the clamping purpose, and the semicircular block on the right side slides left and right to determine the distance to be stretched, and then is fixed by using a movable screw, so that the blood vessel can be fixed and stretched. However, the patent does not disclose whether it can be applied to neurovascular and does not disclose a means for controlling the depth of the needle insertion and the distance between the needle insertions.
Therefore, it is an important research direction to provide a technical means that can fix both ends of a neurovascular to be sutured and control the depth and distance of needle insertion in the suturing operation.
Disclosure of Invention
The present invention has been made to solve the above-mentioned problems occurring in the prior art.
The invention provides a neurovascular suture auxiliary device, which comprises two transparent guide tubes, a clamping forceps and a C-shaped forceps, wherein each guide tube consists of a first arc-shaped tube wall and a second arc-shaped tube wall, a first connecting end of each first arc-shaped tube wall is rotatably and fixedly connected with a first connecting end of each second arc-shaped tube wall, and the other second connecting end of each first arc-shaped tube wall is detachably connected with the other second connecting end of each second arc-shaped tube wall through a magnetic material; the guide tube is sleeved at the tail end of the nerve vessel to be sutured, and a first magnetic material is arranged at one end of the guide tube, which is flush with the section of the tail end of the nerve vessel to be sutured; the guide pipe is provided with a plurality of needle introduction holes penetrating through the pipe wall of the guide pipe, and the needle introduction holes are close to the cross section and are uniformly distributed along the radial direction; a plurality of neurovascular terminal fixators penetrate through the wall of the guide tube between the needle introduction hole and the cross section, and are uniformly distributed along the radial direction.
Preferably, the inner wall of the guide tube is provided with soft and transparent gel-like polyvinyl chloride.
Preferably, the thickness of the gel-like polyvinyl chloride at one end of the guide tube close to the cross section is larger than that at the other end.
Preferably, a protruding part extends from the arc peak of the outer surface of the first arc-shaped pipe wall and the second arc-shaped pipe wall, and a groove is arranged on one side of the protruding part close to the first connecting end; the head of the holding clamp is of a flat extremely thin shovel-shaped structure and is inserted into the groove.
Preferably, a magnetic material is arranged in the groove, and the tong head is also provided with the magnetic material.
Preferably, the neurovascular terminal fixator comprises a fixing column penetrating through the wall of the guide tube, and a spring is sleeved on the fixing column and clamped between the outermost end of the fixing column and the outer surface of the guide tube.
Preferably, the C-shaped pliers comprise semicircular pliers heads.
Preferably, the first arc-shaped pipe wall and the second arc-shaped pipe wall are respectively provided with a second magnetic material at positions close to the first connecting end.
Preferably, the guide tube is a polyvinyl chloride plastic having strength.
Preferably, one guide tube is provided with 4 suture needle introduction holes and 4 neurovascular terminal fixators.
By adopting the technical scheme, compared with the prior art, the invention has the following technical effects:
(1) the invention adopts the guide tube provided with the magnetic material to fix the two ends of the neurovascular to be sutured in a non-damage way, thereby avoiding the neurovascular from slipping off due to difficult control during suturing;
(2) the C-shaped clamp is further used for tightly clamping the neurovascular terminal fixator, and the inner end of the neurovascular terminal fixator keeps two sections of neurovascular on a horizontal line at the central position, so that the further suturing operation is facilitated;
(3) the needle introducing holes are uniformly distributed on the tube wall of the guiding tube in the radial direction, so that the nerve vessel can be sutured in a uniform and symmetrical mode, and the needle introducing holes are helpful for prognosis of a patient;
(4) the central axis of the needle leading-in hole can have a certain inclination angle relative to the horizontal line, and the needle leading-in angle can be guided according to the needs of doctors;
(5) greatly reduces the operation difficulty, can help doctors with shallow seniority to normatively and qualifiedly complete the repair of the microsurgery, standardizes the high-difficulty suture of the microsurgery and ensures that patients in the areas with undeveloped medical conditions can also be treated qualified.
Drawings
FIG. 1 is a schematic structural diagram of a neurovascular suture assisting device in accordance with the present invention;
FIG. 2 is a left side view of a neurovascular suture aid of the present invention;
FIG. 3 is a schematic view of the C-clamp of the present invention secured to a guide tube;
FIG. 4 is a schematic view of the structure of the present invention;
FIG. 5 is a schematic structural view of two guides for fixing a neurovascular tube to be sutured according to the present invention;
FIG. 6 is a schematic structural view of a neurovascular tube to be sutured after C-clamp is applied to a guiding tube according to the present invention;
FIG. 7 is a schematic view of the first sewing operation of the present invention;
FIG. 8 is a schematic view of the second sewing operation of the present invention;
FIG. 9 is a schematic structural view of a gel-like polyvinyl chloride according to the present invention;
FIG. 10 is a cross-sectional view of the gelled polyvinyl chloride of the present invention;
1-a guide tube, 11-a first arc-shaped tube wall, 12-a second arc-shaped tube wall, 13-a first connecting end, 14-a second connecting end, 15-a suture needle introduction hole, 16-a neurovascular terminal fixator, 161-a fixing column, 162-a spring, 17-a protrusion, 171-a groove, 2-a clamping forceps, 21-a forceps head, 3-C forceps, 31-a semicircular forceps head, 4-gelatinous polyvinyl chloride, 5-a first magnetic material, 6-a second magnetic material and 7-a neurovascular to be sutured.
Detailed Description
When suturing this minute structure of nerve blood vessel, the main degree of difficulty lies in treating that to sew up both ends do not have fixedly, slides easily during the sewing up, has an auxiliary device to treat to sew up the both ends of nerve blood vessel and fix, to the new hand of microsurgery operation, treatment effect can show the promotion. In addition, for the complete restoration of quality and quantity guarantee, the control of reasonable needle insertion depth and needle insertion distance is also an important standard, nerve axons are easily damaged when the needle insertion depth is too deep, and the suture is unstable when the needle insertion depth is too shallow.
The invention adopts two transparent guide tubes 1 with needle guide holes 15 to fix two ends of the nerve vessel to be sutured, and controls the needle insertion distance and the needle insertion depth through the uniformly designed radial needle guide holes 15.
The invention provides a neurovascular suture auxiliary device, which comprises two transparent guide tubes 1, a clamping forceps 2 and a C-shaped forceps 3 as shown in figures 1-3, wherein each guide tube 1 consists of a first arc-shaped tube wall 11 and a second arc-shaped tube wall 12, a first connecting end 13 of each first arc-shaped tube wall 11 and the corresponding second arc-shaped tube wall 12 are fixedly connected in a rotatable manner, and the other second connecting end 14 is detachably connected through a magnetic material; the guiding tube 1 is sleeved at the tail end of the nerve vessel 7 to be sutured, and a first magnetic material 5 is arranged at one end of the guiding tube 1, which is flush with the section of the tail end of the nerve vessel 7 to be sutured; the guide tube 1 is provided with a plurality of needle leading-in holes 15 penetrating through the tube wall of the guide tube 1, and the needle leading-in holes 15 are close to the cross section and are uniformly distributed along the radial direction; a plurality of neurovascular terminal fixators 16 are arranged on the wall of the guide tube 1 between the suture needle leading-in hole 15 and the cross section in a penetrating way, and the neurovascular terminal fixators 16 are uniformly distributed along the radial direction.
In a specific application embodiment, two transparent guide tubes 1 are respectively sleeved at the tail ends of a neurovascular 7 to be sutured, one end of each guide tube 1 close to a section is flush with the section, and one end of each guide tube 1 close to the section is provided with a first-time magnetic material 5; the first magnetic materials 5 on the two guide tubes 1 have different polarities and attract each other, so that the two nerve vessels 7 to be sutured can be jointed, as shown in fig. 5, and the next precise suturing can be performed.
As shown in fig. 1-2, the first arc-shaped tube wall 11 and the second arc-shaped tube wall 12 are preferably two symmetrical semi-cylindrical shapes, and the first arc-shaped tube wall 11 and the second arc-shaped tube wall 12 are combined into the guide tube 1; the first connection end 13 of the first curved pipe wall 11 and the second curved pipe wall 12 is rotatably and fixedly connected, so that the first curved pipe wall 11 can rotate relative to the second curved pipe wall 12. In addition, the outer surfaces of the first arc-shaped pipe wall 11 and the second arc-shaped pipe wall 12 close to the first connection end 13 are respectively provided with second magnetic materials 6 which have opposite polarities and can be mutually attracted, so that the opening state of the guide pipe 1 can be maintained when the guide pipe is opened.
As shown in fig. 1-2, the other second connection end 14 is detachably connected by a magnetic material; the contact surfaces of the first arc-shaped pipe wall 11 and the second arc-shaped pipe wall 12 in the second connecting end 14 are respectively provided with magnetic materials which have opposite polarities and can be mutually attracted, and the closed state of the guide pipe 1 is maintained when the guide pipe is closed.
When the C-shaped clamp 3 acts on the outer end of the neurovascular terminal fixator 16 as shown in figures 2-3, the inner end of the neurovascular terminal fixator 16 fixes the two sections of the neurovascular 7 to be sutured on a horizontal line at the central position, as shown in figure 6, a suture needle introduced from the suture needle introduction hole 15 can pass through the nerve sheath membrane part and the vascular wall, and the defects that the operation is difficult and the suture is too deep and too shallow are avoided.
In a preferred embodiment, the central axis of the needle introduction hole 15 may be at an angle relative to the horizontal, with different angles providing different needle insertion angles, thereby affecting the needle insertion depth; further, different specifications are determined according to different included angles, and the physician selects the required specifications according to needs.
On the basis, in a specific embodiment, the neurovascular terminal fixator 16 has a specific structure including a fixing column 161 penetrating through the wall of the guide tube 1, and a spring 162 sleeved on the fixing column 161 and clamped between the outermost end of the fixing column 161 and the outer surface of the guide tube 1; in the non-operating state, the spring 162 is in a relaxed state, and in the operating state, the C-shaped clamp 3 acts on the outer end of the fixed post 161, so that the length of the fixed post 161 inserted into the guide tube 1 is increased, and the spring 162 is in a compressed state. The C-shaped pliers (3) have the specific structure that two semicircular pliers heads (31) are arranged. Furthermore, the two forceps handles of the C-shaped forceps 3 are provided with locking ratchets which are used for locking the C-shaped forceps 3 when the physician completely pinches the C-shaped forceps 3.
In a specific embodiment, the inner wall of the guide tube 1 is provided with soft transparent gel-like polyvinyl chloride 4. Preferably, polyvinyl chloride PVC is used to add a relatively large amount of plasticizer to form the gel-like polyvinyl chloride 4. Furthermore, the thickness of the gel-like polyvinyl chloride 4 near one end of the section of the guide tube 1 is greater than that near the other end. As shown in fig. 9-10, because the nerve vessel needs to be held, the thickness of the end of the guide tube 1 close to the cross section is larger, and a nerve vessel channel is formed in the middle, the clamping injury to the nerve vessel is avoided on the basis of ensuring the nerve vessel to be firmly clamped; the thickness of one end of the guide tube 1, which is far away from the section, is smaller than that of the other end, so that a looser neurovascular channel is formed, and a certain moving space is provided for the neurovascular to facilitate the strict control of the C-shaped clamp 3 on the section position of the neurovascular.
In a specific embodiment, the guide tube 1 is a polyvinyl chloride plastic having strength. Preferably, polyvinyl chloride (PVC) is added with a small amount of plasticizer to prepare the transparent hard guide tube 1, and the transparent tube body is designed to conveniently judge the fixed position of the tail end of the neurovascular tube so as to realize that the section of the tail end is flush with the involution opening of the two guide tubes 1.
In a specific embodiment, as shown in fig. 1, a protruding portion 17 extends from the arc peak of the outer surface of the first arc-shaped pipe wall 11 and the second arc-shaped pipe wall 12, and a groove 171 is formed on one side of the protruding portion 17 close to the first connection end 13; as shown in fig. 4, the binding clip 21 of the holding clamp 2 has a flat, extremely thin shovel-like structure to facilitate insertion of the binding clip 21 of the holding clamp 2 into the groove 171. Preferably, a magnetic material is disposed in the recess 112, and the bit 21 is also disposed with a magnetic material, such that the magnetic material on the bit 21 can attract the magnetic material in the recess 12, and the attracted magnetic material guides the bit 21 to be inserted into the recess 171. Further preferably, the attractive force generated between the magnetic materials that are attracted to each other is small, so that the insertion of the bit 21 into the groove 171 can be guided without hindering the removal of the bit 21 from the groove 171.
In a preferred embodiment, as shown in fig. 1-3, a guide tube 1 is provided with 4 needle introduction holes 15 and 4 neurovascular end anchors 16.
In a specific application embodiment, the method comprises the following steps:
s1: a pair of guide tubes 1 are added into a wound by using a pair of clamping forceps 2, after the position of the tail end of a nerve vessel to be sutured is adjusted in the guide tubes 1, the guide tubes 1 are changed from an open state to a closed state, and the position can be continuously adjusted in the process;
s2: two fixed guide tubes 1 are approached, and the corresponding first magnet material 5 attracts the two guide tubes, as shown in fig. 5, at the moment, the position of the section of the neurovascular tube 7 to be sutured is not strictly fixed in the middle of the guide tube
S3: the neurovascular end anchor 16 of the guide tube 1 is clamped with a C-clamp as in fig. 2-3, and the neurovascular end anchor 16 adjusts the position of the cross section to a designated position as in fig. 6.
S4: as shown in fig. 6, the nerve and blood vessel suture with needle is inserted into the needle introducing hole 15, so that the precise suture can be performed;
s5: as in fig. 7, the needle with completed stitches is cut off, and the C-clamp 3 is removed;
s6: the guide tube 1 is removed with the holding forceps 2 in fig. 4;
s7: the thread is knotted by an instrument knotting method to finish the accurate neurovascular suture.
The present invention will be described in detail and specifically with reference to the following examples to facilitate better understanding of the present invention, but the following examples do not limit the scope of the present invention.
Example 1
The embodiment provides a neurovascular suture auxiliary device, as shown in fig. 1-3, which includes two transparent guide tubes 1, a holding clamp 2 and a C-shaped clamp 3, wherein the guide tube 1 is composed of a first arc-shaped tube wall 11 and a second arc-shaped tube wall 12, a first connecting end 13 of the first arc-shaped tube wall 11 and a first connecting end 13 of the second arc-shaped tube wall 12 are rotatably and fixedly connected, and the other second connecting end 14 is detachably connected through a magnetic material; the guiding tube 1 is sleeved at the tail end of the nerve vessel 7 to be sutured, and a first magnetic material 5 is arranged at one end of the guiding tube 1, which is flush with the section of the tail end of the nerve vessel 7 to be sutured; the guide tube 1 is provided with a plurality of needle leading-in holes 15 penetrating through the tube wall of the guide tube 1, and the needle leading-in holes 15 are close to the cross section and are uniformly distributed along the radial direction; a plurality of neurovascular terminal fixators 16 are arranged on the wall of the guide tube 1 between the suture needle leading-in hole 15 and the cross section in a penetrating way, and the neurovascular terminal fixators 16 are uniformly distributed along the radial direction.
Further, the first magnetic materials 5 on the two guide tubes 1 have different polarities and attract each other, so that the two nerve vessels 7 to be sutured can be involuted, as shown in fig. 5.
Further, as shown in fig. 1-2, the first arc-shaped pipe wall 11 and the second arc-shaped pipe wall 12 are two-symmetric semi-cylindrical, and the first arc-shaped pipe wall 11 and the second arc-shaped pipe wall 12 are combined into the guiding pipe 1; the first connection end 13 of the first curved pipe wall 11 and the second curved pipe wall 12 is rotatably and fixedly connected, so that the first curved pipe wall 11 can rotate relative to the second curved pipe wall 12. In addition, the outer surfaces of the first arc-shaped pipe wall 11 and the second arc-shaped pipe wall 12 close to the first connection end 13 are respectively provided with second magnetic materials 6 which have opposite polarities and can be mutually attracted, so that the opening state of the guide pipe 1 can be maintained when the guide pipe is opened.
Further, as shown in fig. 1-2, the other second connection end 14 is detachably connected by a magnetic material; the contact surfaces of the first arc-shaped pipe wall 11 and the second arc-shaped pipe wall 12 in the second connecting end 14 are respectively provided with magnetic materials which have opposite polarities and can be mutually attracted, and the closed state of the guide pipe 1 is maintained when the guide pipe is closed.
Further, the neurovascular terminal fixator 16 has a specific structure including a fixing column 161 penetrating through the wall of the guide tube 1, and a spring 162 sleeved on the fixing column 161 and clamped between the outermost end of the fixing column 161 and the outer surface of the guide tube 1; in the non-operating state, the spring 162 is in a relaxed state, and in the operating state, the C-shaped clamp 3 acts on the outer end of the fixed post 161, so that the length of the fixed post 161 inserted into the guide tube 1 is increased, and the spring 162 is in a compressed state.
Further, the C-shaped clamp 3 has a specific structure of being provided with two semicircular clamp heads 31. Furthermore, the two forceps handles of the C-shaped forceps 3 are provided with locking ratchets which are used for locking the C-shaped forceps 3 when the physician completely pinches the C-shaped forceps 3.
Further, when the C-shaped forceps 3 are applied to the outer end of the neurovascular terminal anchor 16, the inner end of the neurovascular terminal anchor 16 fixes both cross sections of the neurovascular 7 to be sutured on a horizontal line at a central position, as shown in FIG. 6.
Furthermore, the inner wall of the guide tube 1 is provided with soft and transparent gel-like polyvinyl chloride 4, polyvinyl chloride PVC is added with a large amount of plasticizer to prepare gel-like polyvinyl chloride 4, and the thickness of the gel-like polyvinyl chloride 4 at one end of the guide tube 1 close to the cross section is larger than that at the other end, as shown in FIGS. 9-10; polyvinyl chloride (PVC) is added with a small amount of plasticizer to prepare the transparent hard guide tube 1.
Further, as shown in fig. 1, a protruding portion 17 extends from the arc peak of the outer surface of the first arc-shaped tube wall 11 and the second arc-shaped tube wall 12, and a groove 171 is formed on one side of the protruding portion 17 close to the first connection end 13; as shown in fig. 4, the head 21 of the holding forceps 2 has a flat, extremely thin shovel-like structure. Furthermore, a magnetic material is disposed in the recess 112, and the binding clip 21 is also disposed with a magnetic material, so that the magnetic material on the binding clip 21 can attract the magnetic material in the recess 12.
Further, as shown in fig. 1 to 3, a guide tube 1 is provided with 4 needle introduction holes 15 and 4 neurovascular terminal anchors 16.
Example 2
This example provides an application of the neurovascular suture assisting device in example 1, including the following steps:
s1: a pair of guide tubes 1 are added into a wound by using a pair of clamping forceps 2, after the position of the tail end of a nerve vessel to be sutured is adjusted in the guide tubes 1, the guide tubes 1 are changed from an open state to a closed state, and the position can be continuously adjusted in the process;
s2: two fixed guide tubes 1 are approached, and the corresponding first magnet material 5 attracts the two guide tubes, as shown in fig. 5, at the moment, the position of the section of the neurovascular tube 7 to be sutured is not strictly fixed in the middle of the guide tube
S3: the neurovascular end anchor 16 of the guide tube 1 is clamped with a C-clamp as in fig. 2-3, and the neurovascular end anchor 16 adjusts the position of the cross section to a designated position as in fig. 6.
S4: as shown in fig. 6, the nerve and blood vessel suture with needle is inserted into the needle introducing hole 15, so that the precise suture can be performed;
s5: as in fig. 7, the needle with completed stitches is cut off, and the C-clamp 3 is removed;
s6: the guide tube 1 is removed with the holding forceps 2 in fig. 4;
s7: the thread is knotted by an instrument knotting method to finish the accurate neurovascular suture.
The embodiments of the present invention have been described in detail, but the embodiments are merely examples, and the present invention is not limited to the embodiments described above. Any equivalent modifications and substitutions to those skilled in the art are also within the scope of the present invention. Accordingly, equivalent changes and modifications made without departing from the spirit and scope of the present invention should be covered by the present invention.
Claims (10)
1. The neurovascular suture auxiliary device is characterized by comprising two transparent guide tubes (1), a clamping forceps (2) and a C-shaped forceps (3), wherein each guide tube (1) consists of a first arc-shaped tube wall (11) and a second arc-shaped tube wall (12), a first connecting end (13) of each first arc-shaped tube wall (11) and the corresponding second arc-shaped tube wall (12) are rotatably and fixedly connected, and the other second connecting end (14) is detachably connected through a magnetic material; the guide tube (1) is sleeved at the tail end of a nerve vessel (7) to be sutured, and a first magnetic material (5) is arranged at one end, flush with the section of the tail end of the nerve vessel (7) to be sutured, of the guide tube (1); the guide tube (1) is provided with a plurality of needle introducing holes (15) penetrating through the tube wall of the guide tube (1), and the needle introducing holes (15) are close to the cross section and are uniformly distributed along the radial direction; a plurality of neurovascular terminal fixators (16) are arranged on the wall of the guide tube (1) between the suture needle introduction hole (15) and the cross section in a penetrating manner, and the neurovascular terminal fixators (16) are uniformly distributed along the radial direction.
2. The neurovascular suture assisting device as claimed in claim 1, wherein the inner wall of the guide tube (1) is provided with soft transparent gel-like polyvinyl chloride (4).
3. The neurovascular suture assistance device according to claim 2, wherein the gel-like polyvinyl chloride (4) of the guide tube (1) near one end of the section has a greater thickness than the other end.
4. The neurovascular suture auxiliary device as claimed in claim 1, wherein a convex portion (17) extends from the peak of the outer surface of the first arc-shaped tube wall (11) and the second arc-shaped tube wall (12), and a groove (171) is formed on one side of the convex portion (17) close to the first connecting end (13); the clamp head (21) of the clamping clamp (2) is of a flat extremely thin shovel-shaped structure and is inserted into the groove (112).
5. The neurovascular suture auxiliary device as claimed in claim 4, wherein the groove (112) is provided with a magnetic material, and the binding clip (21) is also provided with a magnetic material; the magnetic material of the tong head (21) can attract the magnetic material of the groove (12).
6. The neurovascular suture auxiliary device as claimed in claim 1, wherein the neurovascular terminal fixator (16) comprises a fixing column (161) penetrating the wall of the guide tube (1), and a spring (162) is sleeved on the fixing column (161) and clamped between the outermost end of the fixing column (161) and the outer surface of the guide tube (1).
7. The neurovascular suture assistance device according to claim 1, wherein the C-clamp (3) comprises a semicircular clamp head (31).
8. The neurovascular suture auxiliary device as claimed in claim 1, wherein the first arc-shaped tube wall (11) and the second arc-shaped tube wall (12) are respectively provided with the second magnetic material (6) at positions close to the first connecting end (13).
9. The neurovascular suture assistance device according to claim 1, wherein the guide tube (1) is polyvinyl chloride having strength.
10. The neurovascular suture assisting device as claimed in claim 1, wherein 4 needle introduction holes (15) and 4 neurovascular terminal anchors (16) are provided on one guide tube (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010394211.3A CN111436988A (en) | 2020-05-11 | 2020-05-11 | Auxiliary device for suturing neurovascular |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010394211.3A CN111436988A (en) | 2020-05-11 | 2020-05-11 | Auxiliary device for suturing neurovascular |
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| Publication Number | Publication Date |
|---|---|
| CN111436988A true CN111436988A (en) | 2020-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010394211.3A Pending CN111436988A (en) | 2020-05-11 | 2020-05-11 | Auxiliary device for suturing neurovascular |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113558784A (en) * | 2021-07-20 | 2021-10-29 | 中国人民解放军总医院第四医学中心 | Neural auxiliary device that sews up |
| CN116898517A (en) * | 2023-09-08 | 2023-10-20 | 泓欣科创(北京)科技有限公司 | Nerve repair fixing device |
-
2020
- 2020-05-11 CN CN202010394211.3A patent/CN111436988A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113558784A (en) * | 2021-07-20 | 2021-10-29 | 中国人民解放军总医院第四医学中心 | Neural auxiliary device that sews up |
| CN113558784B (en) * | 2021-07-20 | 2022-06-28 | 中国人民解放军总医院第四医学中心 | Neural auxiliary device that sews up |
| CN116898517A (en) * | 2023-09-08 | 2023-10-20 | 泓欣科创(北京)科技有限公司 | Nerve repair fixing device |
| CN116898517B (en) * | 2023-09-08 | 2023-12-19 | 泓欣科创(北京)科技有限公司 | Nerve repair fixing device |
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