CN111134763A - Special clamping structure for blocking blood vessel and blood vessel blocking method thereof - Google Patents
Special clamping structure for blocking blood vessel and blood vessel blocking method thereof Download PDFInfo
- Publication number
- CN111134763A CN111134763A CN202010228803.8A CN202010228803A CN111134763A CN 111134763 A CN111134763 A CN 111134763A CN 202010228803 A CN202010228803 A CN 202010228803A CN 111134763 A CN111134763 A CN 111134763A
- Authority
- CN
- China
- Prior art keywords
- head
- air bag
- clamping
- inflation
- blood vessel
- 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.)
- Pending
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/122—Clamps or clips, e.g. for the umbilical cord
Abstract
The invention relates to a medical tool, in particular to a special clamping structure for blocking blood vessels and a blood vessel blocking method thereof. The invention adopts the air bag to be matched with the clamping piece to clamp the blood vessel to be blocked, the air bag is always in flexible contact with the blood vessel, the clamping damage to the blood vessel is reduced, and meanwhile, the air pressure of the air bag is relatively stable, so that the force is uniform and reliable when the air bag clamps the blood vessel, the blood vessel is blocked without damage, and the safety is high.
Description
Technical Field
The invention relates to a medical tool, in particular to a clamping structure special for blocking blood vessels and a blood vessel blocking method thereof.
Background
At present, two types of tools are usually adopted for blocking blood vessels, one type of tool is directly remained in a body, such as common disposable tools like metal clips, plastic clips or bioabsorbable clips, and the like, so that the blood vessels to be blocked are clamped, the tools in the form are difficult to take out because the tools remained in the body, the blocked blood vessels can be blocked for life, irreparable damage can be caused to the health of a human body, and the tools are particularly not suitable for being used on some thicker or more important blood vessels; the other is that an operator directly adopts a forceps to clamp a blood vessel to be blocked for blood vessel blocking, the forceps is directly in rigid contact with the blood vessel, the clamping force of the forceps is completely judged by the experience of the operator and is controlled by the hand force of the operator, so that the clamping force is easily uneven, and the blood vessel is easily damaged;
along with the continuous improvement of living standard of people, the requirement on medical health is higher and higher, original crude operation is continuously developed to the fine operation, and the operation that traditional metal clip, plastic clip or bioabsorbable clip and directly adopt the pliers to clip the blood vessel may not meet the requirement of modern medical treatment more and more.
Disclosure of Invention
In order to solve the defects and shortcomings in the prior art, the invention provides the special clamping structure for blocking the blood vessel and the blood vessel blocking method thereof, wherein the blood vessel to be blocked is clamped by matching the air bag with the clamping sheet, the air bag is always in flexible contact with the blood vessel, the clamping damage to the blood vessel is reduced, and meanwhile, the air pressure of the air bag is relatively stable, so that the clamping force is uniform and reliable when the air bag clamps the blood vessel, the blood vessel is blocked without damage in closure, and the safety is high.
The technical scheme of the invention is as follows: the clamping structure comprises a chuck, an air bag arranged on the inner side of the chuck, an inflating head matched with the air bag, an inflating hole arranged on the inflating head, and a one-way valve structure matched with the inflating hole, wherein the chuck comprises an installing head and two clamping pieces, the air bag is fixed on one of the clamping pieces of the chuck, and a blood vessel to be blocked is clamped between the air bag and the other clamping piece of the chuck by inflating the air bag until the blood vessel is completely closed and blocked.
The invention adopts the air bag to be matched with the clamping piece to clamp the blood vessel to be blocked, the air bag is always in flexible contact with the blood vessel, the clamping damage to the blood vessel is reduced, and meanwhile, the air pressure of the air bag is relatively stable, so that the force is uniform and reliable when the air bag clamps the blood vessel, the blood vessel is blocked without damage by closing, the safety is high, the operation fineness is improved, and the operation quality is ensured.
Preferably, the inflation hole is located on the side wall of the inflation head, the one-way valve is a leather sleeve sleeved on the inflation head, the inflation hole is wide and narrow, the leather sleeve is sleeved on the inflation head to block the inflation hole, and the front end of the inflation head is blocked by a sheet.
The structure can not only prevent the air leakage of the air bag, but also has simple structure and convenient inflation and deflation;
when the air bag is inflated, the air pressure outside the inflating head is larger than the air pressure outside the inflating head at the inflating hole and the leather sleeve of the inflating head, the external air flow pushes the leather sleeve open through the inflating hole and is slowly inflated into the air bag through the air pipe, when the air pressure inside the air bag is large enough, the external air flow stops inflating, the air pressure outside the inflating head is larger than the air pressure inside the inflating head, and the leather sleeve firmly blocks the inflating hole to prevent air leakage;
when in deflation, a small pliers is additionally arranged, a small needle is arranged at the front end, and the thin sheet at the front end of the inflation head is slightly punctured.
Preferably, the clamping sheet and the mounting head are integrally formed, and the air bag is adhered to the clamping sheet through glue or is pressed on the clamping sheet through hot pressing equipment or is pressed on the clamping sheet through ultrasonic pressing equipment; the width of the air bag is matched with that of the clamping piece, and the length of the air bag is matched with that of the clamping piece.
The structure ensures that the chuck has firm and reliable structure and convenient manufacture, and simultaneously ensures that the connection between the air bag and the chuck is firm and reliable and the use safety is high; when the air bag is inflated, the bulge of the air bag is matched with the clamping piece to clamp the blood vessel more stably and reliably.
Preferably, an inflation groove matched with the inflation head is formed in the end face of the mounting head, the inflation head is connected with the air bag through an air pipe, a mounting step matched with the air pipe is arranged on the inner side of the inflation groove, and a circle of V-shaped groove is formed in the circumferential face of the mounting head.
The structure is convenient for installing the air pipe, and ensures the communication reliability between the inflation head and the air bag; the air bag is convenient to inflate, and meanwhile, the installation head and the handheld pliers are convenient to assemble.
Preferably, the one end of pressing from both sides tight piece is equipped with an arc chamfer No. one, adopt the segmental arc to link up between installation head and the tight piece of clamp, the radius of segmental arc is 6mm, the radius of a cambered chamfer is 0.5 mm.
The structure ensures the smoothness of the front end of the clamping piece, the joint of the clamping piece and the mounting head, and further ensures the safety of the clamping piece in use.
Preferably, the length of the clamping head is 35mm, wherein the length of the mounting head is 15mm, the length of the clamping sheet is 20mm, the diameter of the clamping head is 12mm, and the width of the clamping sheet is 6 mm.
Preferably, a part of the arcuate section is located on the mounting head and has a length of 4mm, and another part of the arcuate section is located on the clamping plate and has a length of 2.3 mm.
Preferably, the bottom in V type groove is equipped with No. two arc chamfers, the radius of No. two arc chamfers is 1mm, the opening angle in V type groove is 92.32 degrees, and the top width in V type groove is 7.1mm, and the degree of depth in V type groove is 2.6mm, and the distance between top one side in V type groove and the installation head terminal surface is 1.6 mm.
This structure further ensures the roundness of the mounting head.
Preferably, the joint of the mounting head and the arc section is provided with a third arc chamfer, a fourth arc chamfer is arranged between the top of the V-shaped groove and the mounting head, the radius of the third arc chamfer is 2mm, and the radius of the fourth arc chamfer is 1 mm.
A blood vessel blocking method of a clamping structure special for blood vessel blocking comprises the following steps:
1) before use, the clamping head is arranged at the front end of the handheld clamp, and the clamping head is aligned to a blood vessel to be blocked through the handheld clamp, so that the blood vessel to be blocked is positioned between the air bag and the clamping sheet on the opposite side of the air bag;
2) inflating the air bag to enable the air bag to slowly bulge towards the clamping piece on the opposite side of the air bag, and disconnecting the inflation when the air bag completely presses the blood vessel to be blocked on the clamping piece on the opposite side of the air bag and ensures that the blood vessel is completely blocked;
3) after use, the balloon is deflated, the vessel is released, and the collet is then removed with the hand-held clamp.
The invention adopts the air bag to be matched with the clamping piece to clamp the blood vessel to be blocked, the air bag is always in flexible contact with the blood vessel, the clamping damage to the blood vessel is reduced, and meanwhile, the air pressure of the air bag is relatively stable, so that the force is uniform and reliable when the air bag clamps the blood vessel, the blood vessel is blocked without damage by closing, the safety is high, the operation fineness is improved, and the operation quality is ensured.
Drawings
FIG. 1 is a partially cut-away schematic view of the present invention;
FIG. 2 is an enlarged schematic view at I of FIG. 1;
FIG. 3 is a schematic structural view of the present invention;
in the figure, 1, an installation head, 2, a clamping piece, 3, an air bag, 4, an inflation head, 5, an installation step, 6, an inflation groove, 7, a V-shaped groove, 8, an arc section, 9, a first arc chamfer, 10, a second arc chamfer, 11, a third arc chamfer, 12, a fourth arc chamfer, 13, an inflation hole, 14, a leather sheath and 15, air pipes are arranged.
Detailed Description
The present invention will be described in further detail with reference to the attached drawings, but the present invention is not limited thereto.
As shown in fig. 1-3, a clamping structure special for blocking blood vessels comprises a chuck, an air bag 3 arranged on the inner side of the chuck, an inflation head 4 matched with the air bag 3, and a one-way valve structure arranged on the inflation head 4, an inflation hole 13 matched with the inflation hole 13, wherein the chuck comprises a mounting head 1 and two clamping sheets 2, the air bag 3 is fixed on one of the clamping sheets of the chuck, and the blood vessels to be blocked are clamped between the air bag 3 and the other clamping sheet of the chuck by inflating the air bag 3 until the blood vessels are completely closed and blocked. The inflation hole 13 is positioned on the side wall of the inflation head 4, the one-way valve is in a structure of a leather sleeve 14 sleeved on the inflation head 4, the inflation hole 13 is wide inside and narrow outside, the leather sleeve 14 is sleeved on the inflation head 4 to block the inflation hole 13, and the front end of the inflation head 4 is blocked by a sheet. The clamping piece 2 and the mounting head 1 are integrally formed, and the air bag 3 is adhered to the clamping piece through glue. The width of the airbag 3 is matched to the width of the clamping piece 2, and the length of the airbag 3 is matched to the length of the clamping piece 2. An inflation groove 6 matched with the inflation head 4 is arranged on the end face of the mounting head 1, the inflation head 4 is connected with the air bag 3 through an air pipe 15, a mounting step 5 matched with the air pipe 15 is arranged on the inner side of the inflation groove 6, and a circle of V-shaped groove 7 is arranged on the circumferential surface of the mounting head 1. One end of the clamping piece 2 is provided with an arc-shaped chamfer 9, the mounting head 1 is connected with the clamping piece 2 through an arc-shaped section 8, the radius of the arc-shaped section 8 is 6mm, and the radius of the arc-shaped chamfer 9 is 0.5 mm. The length of the clamping head is 35mm, wherein the length of the mounting head 1 is 15mm, the length of the clamping piece 2 is 20mm, the diameter of the clamping head is 12mm, and the width of the clamping piece 2 is 6 mm. A part of the arcuate section 8 is located on the mounting head 1 and has a length of 2.3mm, and another part of the arcuate section 8 is located on the clamping piece 2 and has a length of 4 mm. The bottom in V type groove 7 is equipped with No. two arc chamfers 10, and the radius of No. two arc chamfers 10 is 1mm, and the opening angle in V type groove 7 is 92.32 degrees, and the top width in V type groove 7 is 7.1mm, and the degree of depth in V type groove 7 is 2.6mm, and the distance between the top one side in V type groove 7 and the installation head 1 terminal surface is 1.6 mm. The joint of the mounting head 1 and the arc section 8 is provided with a third arc-shaped chamfer 11, a fourth arc-shaped chamfer 12 is arranged between the top of the V-shaped groove 7 and the mounting head 1, the radius of the third arc-shaped chamfer 11 is 2mm, and the radius of the fourth arc-shaped chamfer 12 is 1 mm.
A blood vessel blocking method of a clamping structure special for blood vessel blocking comprises the following steps:
1) before use, the clamping head is arranged at the front end of the handheld clamp, and the clamping head is aligned to a blood vessel to be blocked through the handheld clamp, so that the blood vessel to be blocked is positioned between the air bag and the clamping sheet on the opposite side of the air bag;
2) inflating the air bag to enable the air bag to slowly bulge towards the clamping piece on the opposite side of the air bag, and disconnecting the inflation when the air bag completely presses the blood vessel to be blocked on the clamping piece on the opposite side of the air bag and ensures that the blood vessel is completely blocked;
3) after use, the balloon is deflated, the vessel is released, and the collet is then removed with the hand-held clamp.
When the air bag air-release device is used, two auxiliary pliers are required to be arranged for use, one auxiliary pliers is used for installing the chuck, and the other auxiliary pliers is used for releasing air for the air bag.
The invention adopts the air bag to be matched with the clamping piece to clamp the blood vessel to be blocked, the air bag is always in flexible contact with the blood vessel, the clamping damage to the blood vessel is reduced, and meanwhile, the air pressure of the air bag is relatively stable, so that the force is uniform and reliable when the air bag clamps the blood vessel, the blood vessel is blocked without damage by closing, the safety is high, the operation fineness is improved, and the operation quality is ensured.
Claims (10)
1. A special clamping structure for blocking blood vessels is characterized in that: the blood vessel blocking clamp comprises a clamp head, an air bag arranged on the inner side of the clamp head, an inflation head matched with the air bag, an inflation hole arranged on the inflation head and a one-way valve structure matched with the inflation hole, wherein the clamp head comprises an installing head and two clamping pieces, the air bag is fixed on one of the clamping pieces of the clamp head, and a blood vessel to be blocked is clamped between the air bag and the other clamping piece of the clamp head until the blood vessel is completely closed and blocked by inflating the air bag.
2. The clamping structure special for vessel occlusion according to claim 1, wherein: the inflation hole is located on the side wall of the inflation head, the one-way valve is a leather sleeve sleeved on the inflation head, the inflation hole is wide in inner and narrow in outer, the leather sleeve is sleeved on the inflation head to block the inflation hole, and the front end of the inflation head is blocked by a sheet.
3. The clamping structure special for vessel occlusion according to claim 1, wherein: the clamping piece and the mounting head are integrally formed, and the air bag is bonded on the clamping piece through glue or is pressed on the clamping piece through hot pressing equipment or is pressed on the clamping piece through ultrasonic pressing equipment; the width of the air bag is matched with that of the clamping piece, and the length of the air bag is matched with that of the clamping piece.
4. The clamping structure special for vessel occlusion according to claim 1, wherein: the air bag type air inflation device is characterized in that an inflation groove matched with an inflation head is formed in the end face of the mounting head, the inflation head is connected with the air bag through an air pipe, mounting steps matched with the air pipe are arranged on the inner side of the inflation groove, and a circle of V-shaped groove is formed in the circumferential face of the mounting head.
5. The clamping structure special for vessel occlusion according to claim 4, wherein: one end of the clamping piece is provided with a first arc-shaped chamfer, the mounting head is connected with the clamping piece through an arc-shaped section, the radius of the arc-shaped section is 6mm, and the radius of the first arc-shaped chamfer is 0.5 mm.
6. The clamping structure special for vessel occlusion according to claim 1, wherein: the length of chuck is 35mm, and wherein the length of installation head is 15mm, and the length of the piece of pressing from both sides is 20mm, the diameter of chuck is 12mm, the width of the piece of pressing from both sides is 6 mm.
7. The clamping structure special for vessel occlusion according to claim 5, wherein: one part of the arc-shaped section is positioned on the mounting head and has the length of 2.3mm, and the other part of the arc-shaped section is positioned on the clamping sheet and has the length of 4 mm.
8. The clamping structure special for vessel occlusion according to claim 4, wherein: the bottom in V type groove is equipped with No. two arc chamfers, the radius of No. two arc chamfers is 1mm, the opening angle in V type groove is 92.32 degrees, and the top width in V type groove is 7.1mm, and the degree of depth in V type groove is 2.6mm, and the distance between top one side in V type groove and the installation head terminal surface is 1.6 mm.
9. The clamping structure special for vessel occlusion according to claim 5, wherein: the installation head is equipped with No. three arc chamfers with the segmental arc department of linking, be equipped with No. four arc chamfers between the top in V type groove and the installation head, No. three arc chamfers 'radius is 2mm, No. four arc chamfers' radius is 1 mm.
10. A vessel occlusion method of the vessel occlusion exclusive clamp structure according to claim 1, characterized in that: the method comprises the following steps:
1) before use, the clamping head is arranged at the front end of the handheld clamp, and the clamping head is aligned to a blood vessel to be blocked through the handheld clamp, so that the blood vessel to be blocked is positioned between the air bag and the clamping sheet on the opposite side of the air bag;
2) inflating the air bag to enable the air bag to slowly bulge towards the clamping piece on the opposite side of the air bag, and disconnecting the inflation when the air bag completely presses the blood vessel to be blocked on the clamping piece on the opposite side of the air bag and ensures that the blood vessel is completely blocked;
3) after use, the balloon is deflated, the vessel is released, and the collet is then removed with the hand-held clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010228803.8A CN111134763A (en) | 2020-03-27 | 2020-03-27 | Special clamping structure for blocking blood vessel and blood vessel blocking method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010228803.8A CN111134763A (en) | 2020-03-27 | 2020-03-27 | Special clamping structure for blocking blood vessel and blood vessel blocking method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111134763A true CN111134763A (en) | 2020-05-12 |
Family
ID=70528765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010228803.8A Pending CN111134763A (en) | 2020-03-27 | 2020-03-27 | Special clamping structure for blocking blood vessel and blood vessel blocking method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111134763A (en) |
-
2020
- 2020-03-27 CN CN202010228803.8A patent/CN111134763A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5085633A (en) | Method of forming suction swab | |
| WO2003030777A3 (en) | Ultrasonic probe device with rapid attachment and detachment means having a line contact collet | |
| CN212140516U (en) | Special clamping structure for blocking blood vessel | |
| CN111134763A (en) | Special clamping structure for blocking blood vessel and blood vessel blocking method thereof | |
| CA2497341A1 (en) | Surgical drape having a fluid collection pouch with an inflatable rim | |
| CN214762450U (en) | Drainage tube self-adaptation connects | |
| EP1361380A3 (en) | Sealing arrangement | |
| GB2292708A (en) | Manufacture of duckbill valves | |
| CN211934180U (en) | Hemostasis device for surgical operation | |
| WO2019012758A1 (en) | Gripping device | |
| ATE367894T1 (en) | JAW FOR PRESS CONNECTION | |
| CN211668703U (en) | Leak hunting clamp pipe device and pipe equipment of leaking hunting | |
| CN100556600C (en) | Localization method and device during pore discharge machined electrode tube grip | |
| CN210704392U (en) | Spring type leak detection clamp | |
| CN110107758B (en) | Stainless steel flange | |
| CN217593016U (en) | A single concave surface sacculus for urgent cervical cerclage art | |
| CN219230013U (en) | Pelvis split wire saw guiding clamp | |
| CN210114726U (en) | Oxygen bag with elastic clamp | |
| CN210494032U (en) | Disposable vaginal dilator with illumination function | |
| CN217013985U (en) | Adapter for percutaneous nephroscopy or needle-shaped nephroscopy stone extraction | |
| CN110840383A (en) | Multi-channel endoscope accessory rapid exchange device | |
| CN213047266U (en) | Auxiliary forceps for wearing disposable sterile finger cot | |
| CN210096686U (en) | Portable chest tube clamp | |
| CN216439812U (en) | Special catheter for drainage of radical prostate cancer surgery | |
| CN213606613U (en) | Disposable tubular anastomat |
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 |