CN109009356B - Blood vessel bundling device - Google Patents
Blood vessel bundling device Download PDFInfo
- Publication number
- CN109009356B CN109009356B CN201811045532.1A CN201811045532A CN109009356B CN 109009356 B CN109009356 B CN 109009356B CN 201811045532 A CN201811045532 A CN 201811045532A CN 109009356 B CN109009356 B CN 109009356B
- Authority
- CN
- China
- Prior art keywords
- guide
- telescopic
- connecting seat
- blood vessel
- wire
- Prior art date
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- 210000004204 blood vessel Anatomy 0.000 title claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003199 nucleic acid amplification method 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
- A61B17/34—Trocars; Puncturing needles
Abstract
The invention discloses a blood vessel bundling device, which comprises a blood vessel, a steel needle tube, a thin wire, a guide mechanism, a telescopic mechanism and a workbench, wherein the blood vessel is provided with a connecting part, the connecting part is sleeved outside the steel needle tube, the thin wire is wound outside the connecting part, two ends of the thin wire bypass the guide mechanism and are connected with the telescopic mechanism, the telescopic mechanism is used for tensioning the thin wire, the guide mechanism is used for guiding a thin wire path, and the guide mechanism and the telescopic mechanism are both arranged on the workbench; the invention ensures that the fine wire is in a tensioning state through the telescopic mechanism, and can be ensured to be fastened.
Description
Technical Field
The invention belongs to the technical field of medical equipment, and particularly relates to a blood vessel bundling device.
Background
When relevant research is carried out by inputting liquid into the blood vessel through the steel needle tube, the steel needle tube and the blood vessel are required to be bundled and fixed; at present, a steel needle tube and a blood vessel are bundled together by adopting a fine wire, and the specific steps are as follows: sleeving the blood vessel outside the steel needle tube, winding the thin wire outside the blood vessel, and fixing the blood vessel by a plurality of single knots; according to analysis, the blood vessel and the thin wire are thinner, so that the thin wire cannot be always in a tensioned state in the second single-junction process of the thin wire, the first single-junction is loose, the bundling effect is poor, and looseness is generated between the steel needle tube and the blood vessel.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a blood vessel bundling device that secures a bundling effect by tightening both ends of a thin wire with a telescopic mechanism.
In order to achieve the above purpose, the blood vessel bundling device comprises a blood vessel, a steel needle tube, a thin wire, a guiding mechanism, a telescopic mechanism and a workbench, wherein the blood vessel is provided with a connecting part, the connecting part is sleeved outside the steel needle tube, the thin wire is wound outside the connecting part, two ends of the thin wire are connected with the telescopic mechanism by bypassing the guiding mechanism, the telescopic mechanism is used for tensioning the thin wire, the guiding mechanism is used for guiding a thin wire path, and the guiding mechanism and the telescopic mechanism are both arranged on the workbench.
Further, telescopic machanism includes spiral telescopic link, the fixing base, the guide arm, first connecting seat, the second connecting seat, the third connecting seat, rotation axis and solidus post, spiral telescopic link fixed sleeve is in the first through-hole that the fixing base was equipped with, the fixing base is fixed in on the workstation, the flexible end that the spiral telescopic link had, first connecting seat sleeve is outside and swivelling joint between the two in the flexible end, first connecting seat surface is equipped with the second through-hole that is used for guide arm activity to pass, the guide arm is placed along horizontal direction and is set firmly on the fixing base, the one end that the spiral telescopic link was kept away from to first connecting seat has set firmly the second connecting seat, the rotation axis lower extreme has set firmly the rotation axis, the rotation axis is vertical to be placed, the third connecting seat sleeve is outside and between the two swivelling joint in the rotation axis lower extreme, gu the solidus post has been set firmly on the third connecting seat, the solidus post is two respectively located the rotation axis front and back both sides, the fine rule both ends are installed respectively in two solidus posts.
Further, the spiral telescopic rod is a spiral micrometer head.
Further, the thread is wound around the outside of the blood vessel and is tied with a single pass.
Further, guiding mechanism includes "U" shape support and guide post, and "U" shape support has the bottom plate and sets firmly the curb plate at both ends around the bottom plate, and the bottom plate middle part is equipped with controls the mounting hole that link up, and the steel needle pipe passes the mounting hole suit inside connecting portion, and the guide post has been set firmly to the one end that the bottom plate is close to connecting portion, and the guide post is placed along controlling the direction level, and the guide post is two and is located both sides around the connecting portion respectively, and two guide posts are walked around respectively at the fine rule both ends, and every curb plate upper end is equipped with a guide through-hole that is on a parallel with the guide post top and is used for the fine rule to pass.
Further, guiding mechanism still includes clamp plate and first bolt, and the bottom plate upper surface is equipped with the logical groove that link up from front to back, and the clamp plate covers in logical groove top, through first bolted connection between clamp plate and the bottom plate, encloses into between clamp plate and the logical groove the mounting hole, steel needle pipe clamp is tight between clamp plate and logical groove.
Further, the upper surface of the workbench is provided with a culture solution tank for accommodating the steel needle tube, the blood vessel and the guide mechanism.
The invention has the beneficial effects that:
1. the blood vessel bundling device has good bundling effect; the connecting part refers to a part of the blood vessel sleeved outside the steel needle tube, and the thin wire is wound outside the connecting part and used for determining the bundling position; the two ends of the thin wire are connected with the telescopic mechanism after being guided by the guide mechanism, the thin wire is tensioned by the telescopic mechanism, and the telescopic mechanism can enable the thin wire to be in a tensioned state; in addition, the thin wire is in a tensioning state through the telescopic mechanism, so that the thin wire can be ensured to be fastened, a plurality of single knots are not needed, the thin wire is prevented from being tied into a dead knot, and the use is convenient.
2. The blood vessel bundling device further ensures that the two ends of the thin wire are tensioned; due to the operation problem, when the thin wire is wound outside the connecting part, the reserved lengths at the two ends of the thin wire have errors; in the telescopic end shrinkage process, the third connecting seat can rotate around the rotation axis, so that the parameter values of the left-right relative distance between the two fixed line posts are changed, errors existing in reserved lengths of two ends of the thin line are compensated, and the stress uniformity of the two ends of the thin line is ensured.
3. The blood vessel bundling device is convenient for adjusting the bundling degree; the screw micrometer head is a main measuring part of the screw micrometer, and can be used for fine adjustment of distance, so that the tension force of two ends of the thin wire can be adjusted, and the situation that the tension force of the thin wire is too large to stretch the thin wire is avoided.
4. The blood vessel bundling device is convenient to bundle; the single-pass single-junction binding is performed to reduce the loosening degree of the thin wire, and then the two ends of the thin wire are guided by the guide mechanism and then are tensioned by the telescopic mechanism.
Drawings
In order to make the objects, technical solutions and advantageous effects of the present invention more clear, the present invention provides the following drawings for description:
FIG. 1 is a perspective view of a vessel strapping device of the present invention;
FIG. 2 is a top view of a vessel strapping device of the present invention;
FIG. 3 is a cross-sectional view at A-A in FIG. 2;
FIG. 4 is an enlarged schematic view of the structure shown at B in FIG. 3;
FIG. 5 is a perspective view of the telescoping mechanism of the vessel strapping device of the present invention;
FIG. 6 is a perspective view of the guide mechanism of the vessel strapping device of the present invention;
fig. 7 is a perspective view of the table of a vessel strapping device of the present invention.
Reference numerals: 1-blood vessel; 2-steel needle tube; 3-fine lines; 4-a guiding mechanism; 5-a telescopic mechanism; 6, a workbench; 41- "U" -shaped brackets; 42-a guide post; 43-pressing plate; 51-a spiral telescopic rod; 52-fixing seats; 53-guide rod; 54-a first connection base; 55-a second connection base; 56-a third connection base; 57-rotation axis; 58-fixing wire posts; 61-a culture tank; 411-floor; 412-side plates.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 7; the invention relates to a blood vessel bundling device, which comprises a blood vessel 1, a steel needle tube 2, a fine wire 3, a guiding mechanism 4, a telescopic mechanism 5 and a workbench 6; the blood vessel 1 is provided with a connecting part, wherein the connecting part refers to a part of the blood vessel 1 sleeved outside the steel needle tube 2, namely a part needing bundling; the connecting part is sleeved outside the steel needle tube 2; the thin wire 3 is wound outside the connecting part, and two ends of the thin wire 3 bypass the guide mechanism 4 and are connected with the telescopic mechanism 5; the telescopic mechanism 5 is used for tensioning the fine wire 3, and the guide mechanism 4 is used for guiding the path of the fine wire 3; the guiding mechanism 4 and the telescopic mechanism 5 are both mounted on the workbench 6.
Firstly, winding a fine wire 3 outside a connecting part, and determining a binding position; the two ends of the thin wire 3 are guided by the guide mechanism 4 and then are tensioned by the telescopic mechanism 5; the telescopic mechanism 5 enables the fine wire 3 to be in a tensioning state, and the fine wire 3 is ensured to be fastened.
Preferably, the telescopic mechanism 5 comprises a spiral telescopic rod 51, a fixed seat 52, a guide rod 53, a first connecting seat 54, a second connecting seat 55, a third connecting seat 56, a rotating shaft 57 and a wire fixing post 58; the spiral telescopic rod 51 is fixedly sleeved in a first through hole formed in the fixing seat 52, and the fixing seat 52 is fixed on the workbench 6; a telescopic end of the screw telescopic rod 51; the first connecting seat 54 is sleeved outside the telescopic end and is rotationally connected with the telescopic end; the surface of the first connecting seat 54 is provided with a second through hole for the guide rod 53 to movably pass through, and the guide rod 53 is horizontally arranged along the left-right direction and fixedly arranged on the fixed seat 52; a second connecting seat 55 is fixedly arranged at one end of the first connecting seat 54, which is far away from the spiral telescopic rod 51; a rotating shaft 57 is fixedly arranged at the lower end of the second connecting seat 55, and the rotating shaft 57 is vertically arranged; the third connecting seat 56 is sleeved outside the lower end of the rotating shaft 57 and is rotationally connected with the rotating shaft 57; the third connecting seat 56 is fixedly provided with a wire fixing column 58; the two wire fixing posts 58 are respectively positioned at the front side and the rear side of the rotating shaft 57; the two ends of the thin wire 3 are respectively arranged on the two wire fixing posts 58, specifically, the wire fixing posts 58 can be made into threaded posts, a lock nut is arranged outside the wire fixing posts 58, the end part of the thin wire 3 is wound on the wire fixing posts 58, and the end part of the thin wire 3 is tightly pressed between the third connecting seat 56 and the lock nut by screwing the lock nut; in addition, the end of the thin wire 3 can be knotted into a coil and sleeved on the wire fixing post 58; in addition, the rotary connection can be realized through a slewing bearing, and the slewing bearing is widely applied in the actual industry and is not described herein.
Due to the operation problem, when the thin wire 3 is wound outside the connecting part, the reserved lengths at the two ends of the thin wire 3 have errors; in the contraction process of the telescopic end, the third connecting seat 56 automatically rotates around the rotating shaft 57, so that the parameter value of the left-right relative distance between the two wire fixing posts 58 is changed, and the error of the reserved lengths of the two ends of the thin wire 3 is compensated; then, the telescopic ends are contracted continuously to tighten the two ends of the thin wire 3 equidistantly, so that the two ends of the thin wire 3 are uniformly stressed.
On this basis, the screw telescopic rod 51 is a screw micrometer head.
The screw micrometer head can accurately adjust the tensioning distance and further adjust the tension of the thin wire 3; the screw micrometer head is a main measuring part of the screw micrometer and comprises a precise screw, a fixed sleeve, a differential cylinder and a locking screw, wherein the screw micrometer head is manufactured according to the principle of screw amplification, when the precise screw rotates in the screw sleeve of the fixed sleeve for one circle, the precise screw advances or retreats by a pitch distance along the direction of the axis 57 of the rotating shaft, so that the tiny distance of the precise screw moving along the axis direction of the precise screw can be represented by a reading on the circumference, the relative position of the precise screw and the fixed sleeve is fixed by the locking screw, and the screw micrometer head is a common measuring tool, and the structure of the screw micrometer head is not repeated here.
Preferably, the thread 3 is wound around the outside of the vessel 1 and is single-stranded.
The loose degree of the thin wire 3 is reduced by pre-bundling with a single pass single knot.
On this basis, guiding mechanism 4 includes "U" shape support 41 and guide post 42, and "U" shape support 41 has bottom plate 411 and sets firmly the curb plate 412 at both ends around the bottom plate 411, and the bottom plate 411 middle part is equipped with the mounting hole that link up about, and steel needle tubing 2 passes the mounting hole suit in inside the connecting portion, and the guide post 42 has been set firmly to the one end that bottom plate 411 is close to the connecting portion, and guide post 42 is placed along horizontal direction level about, and guide post 42 is two and is located both sides around the connecting portion respectively, and two guide posts 42 are walked around respectively at fine rule 3 both ends, and every curb plate 412 upper end is equipped with a guide through-hole that is parallel to guide post 42 top and is used for fine rule 3 to pass.
One end of the thin wire 3 passes through a guide through hole above one of the guide posts upwards after bypassing the lower part of the guide post and is connected to the telescopic mechanism 5; similarly, the other end of the thread 3 passes through the guide through hole above the guide post upwards to be connected to the telescopic mechanism 5 after bypassing the lower part of the other guide post; therefore, the tension of the telescopic mechanism 5 to the two ends of the thread 3 is finally transmitted to the front side and the rear side of the connecting part, and the tension and the point where the single-channel single-junction is positioned are always kept on the same straight line, so that the bundling effect is ensured.
On this basis, guiding mechanism 4 still includes clamp plate 43 and first bolt, and bottom plate 411 upper surface is equipped with the logical groove that link up from front to back, and clamp plate 43 covers in logical groove top, passes through first bolted connection between clamp plate 43 and the bottom plate 411, encloses between clamp plate 43 and the logical groove and becomes the mounting hole, and steel needle pipe 2 presss from both sides tightly between clamp plate 43 and logical groove.
The pressing plate 43 is in threaded connection with the bottom plate 411, so that the pressing plate 43 can be conveniently detached from the floor or the relative distance between the pressing plate 43 and the through groove can be increased, the mounting hole is enlarged, and the position of the steel needle tube 2 in the mounting hole can be adjusted.
Here, the upper surface of the table 6 is provided with a culture solution tank 61 for accommodating the steel needle tube 2, the blood vessel 1 and the guide mechanism 4.
Finally, it is noted that the above-mentioned preferred embodiments are only intended to illustrate rather than limit the invention, and that, although the invention has been described in detail by means of the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (5)
1. A vessel strapping device, characterized in that: the device comprises a blood vessel, a steel needle tube, a fine wire, a guide mechanism, a telescopic mechanism and a workbench, wherein the blood vessel is provided with a connecting part, the connecting part is sleeved outside the steel needle tube, the fine wire is wound outside the connecting part, two ends of the fine wire are connected with the telescopic mechanism by bypassing the guide mechanism, the telescopic mechanism is used for tensioning the fine wire, the guide mechanism is used for guiding a fine wire path, and the guide mechanism and the telescopic mechanism are both arranged on the workbench; the telescopic mechanism comprises a spiral telescopic rod, a fixed seat, a guide rod, a first connecting seat, a second connecting seat, a third connecting seat, a rotating shaft and a wire fixing column, wherein the spiral telescopic rod is fixedly sleeved in a first through hole formed in the fixed seat, the fixed seat is fixed on the workbench, the spiral telescopic rod is provided with a telescopic end, the first connecting seat is sleeved outside the telescopic end and is rotationally connected between the telescopic end and the fixed seat, the surface of the first connecting seat is provided with a second through hole for the guide rod to movably pass through, the guide rod is horizontally placed and fixedly arranged on the fixed seat in the left-right direction, one end of the first connecting seat, far away from the spiral telescopic rod, is fixedly provided with the second connecting seat, the lower end of the second connecting seat is fixedly provided with the rotating shaft, the rotating shaft is vertically placed, the third connecting seat is sleeved outside the lower end of the rotating shaft and is rotationally connected between the rotating shaft, the wire fixing column is fixedly arranged on the third connecting seat, the wire fixing column is respectively arranged on the front side and the rear side of the rotating shaft, and two ends of a thin wire are respectively arranged on the two wire fixing columns; the guide mechanism comprises a U-shaped support and guide posts, the U-shaped support is provided with a bottom plate and side plates fixedly arranged at the front end and the rear end of the bottom plate, the middle of the bottom plate is provided with a left-right through mounting hole, a steel needle tube is sleeved inside the connecting portion through the mounting hole, one end of the bottom plate, which is close to the connecting portion, is fixedly provided with the guide posts, the guide posts are horizontally placed in the left-right direction, the guide posts are two and are respectively located at the front side and the rear side of the connecting portion, two ends of a fine wire respectively bypass the two guide posts, and a guide through hole which is parallel to the upper side of the guide posts and used for the fine wire to pass is formed in the upper end of each side plate.
2. A vessel strapping device as in claim 1 wherein: the spiral telescopic rod is a spiral micrometer head.
3. A vessel strapping device as in claim 2 wherein: the thread is wound outside the blood vessel and is tied with a single thread.
4. A vessel strapping device as in claim 1 wherein: the guide mechanism further comprises a pressing plate and a first bolt, the upper surface of the bottom plate is provided with a through groove which is communicated from front to back, the pressing plate is covered above the through groove, the pressing plate is connected with the bottom plate through the first bolt, the mounting hole is formed between the pressing plate and the through groove in a surrounding mode, and the steel needle tube is clamped between the pressing plate and the through groove.
5. A vessel strapping device as in claim 1 wherein: the upper surface of the workbench is provided with a culture solution tank for accommodating the steel needle tube, the blood vessel and the guide mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811045532.1A CN109009356B (en) | 2018-09-07 | 2018-09-07 | Blood vessel bundling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811045532.1A CN109009356B (en) | 2018-09-07 | 2018-09-07 | Blood vessel bundling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109009356A CN109009356A (en) | 2018-12-18 |
| CN109009356B true CN109009356B (en) | 2024-01-19 |
Family
ID=64624136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811045532.1A Active CN109009356B (en) | 2018-09-07 | 2018-09-07 | Blood vessel bundling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109009356B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH314789A (en) * | 1952-04-12 | 1956-06-30 | Kammer Karl | Device for detecting and tying off hose-like openings, in particular for hemostatic tying off of vessels during operations |
| JPH0656116A (en) * | 1992-05-29 | 1994-03-01 | Kawasaki Steel Corp | Binding processor of tube bars |
| CN101486965A (en) * | 2009-02-13 | 2009-07-22 | 中国人民解放军第三军医大学第一附属医院 | Tissue engineering blood vessel bionic incubator |
| CN205203462U (en) * | 2015-12-18 | 2016-05-04 | Tcl王牌电器(惠州)有限公司 | Tie up positioner and tie up equipment |
-
2018
- 2018-09-07 CN CN201811045532.1A patent/CN109009356B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH314789A (en) * | 1952-04-12 | 1956-06-30 | Kammer Karl | Device for detecting and tying off hose-like openings, in particular for hemostatic tying off of vessels during operations |
| JPH0656116A (en) * | 1992-05-29 | 1994-03-01 | Kawasaki Steel Corp | Binding processor of tube bars |
| CN101486965A (en) * | 2009-02-13 | 2009-07-22 | 中国人民解放军第三军医大学第一附属医院 | Tissue engineering blood vessel bionic incubator |
| CN205203462U (en) * | 2015-12-18 | 2016-05-04 | Tcl王牌电器(惠州)有限公司 | Tie up positioner and tie up equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109009356A (en) | 2018-12-18 |
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Effective date of registration: 20231026 Address after: 2 / F, building F2, phase II, innovation industrial park, Hefei hi tech Zone, Anhui 230000 Applicant after: Hefei Xinwei Gene Technology Co.,Ltd. Address before: Room 204, No. 365, 3rd Floor, Science and Technology Innovation Center, No. 393 Feicui Road, Taohua Industrial Park, Feixi County, Hefei City, Anhui Province, 230000 Applicant before: HEFEI ANERRUI SCIENTIFIC INSTRUMENT MANUFACTURING Co.,Ltd. |
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