CN111658057B - Human degradable intra-dural operation hanger and hanging method thereof - Google Patents
Human degradable intra-dural operation hanger and hanging method thereof Download PDFInfo
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- CN111658057B CN111658057B CN202010660258.XA CN202010660258A CN111658057B CN 111658057 B CN111658057 B CN 111658057B CN 202010660258 A CN202010660258 A CN 202010660258A CN 111658057 B CN111658057 B CN 111658057B
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- base
- suspension
- positioning
- suspension wire
- groove
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- 238000000034 method Methods 0.000 title abstract description 8
- 239000000725 suspension Substances 0.000 claims abstract description 63
- 210000001951 dura mater Anatomy 0.000 claims abstract description 32
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 22
- 238000004804 winding Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 12
- 210000003625 skull Anatomy 0.000 claims description 12
- 229920000954 Polyglycolide Polymers 0.000 claims description 5
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Polymers OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims 2
- 230000023597 hemostasis Effects 0.000 claims 2
- 230000007547 defect Effects 0.000 abstract description 3
- 238000005553 drilling Methods 0.000 description 5
- 208000032843 Hemorrhage Diseases 0.000 description 4
- 238000009958 sewing Methods 0.000 description 4
- 230000000740 bleeding effect Effects 0.000 description 3
- 239000011358 absorbing material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 238000007428 craniotomy Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 238000006748 scratching Methods 0.000 description 2
- 230000002393 scratching effect Effects 0.000 description 2
- 102000008186 Collagen Human genes 0.000 description 1
- 108010035532 Collagen Proteins 0.000 description 1
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 239000002729 catgut Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229920001436 collagen Polymers 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002439 hemostatic effect Effects 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 210000004761 scalp Anatomy 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction 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
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/04—Macromolecular materials
- A61L31/06—Macromolecular materials obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/14—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/14—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L31/148—Materials at least partially resorbable by the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
-
- 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
- A61B2017/12004—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for haemostasis, for prevention of bleeding
Abstract
The invention discloses a human body degradable dura mater in-operation suspension device and a suspension method thereof, which are provided for overcoming the defect that the prior suspension mode is easy to cause dura mater damage, wherein the suspension device comprises: the base is plate-shaped, the positioning rod is vertically fixed on the lower surface of the base, a protruding part extending outwards is machined on the periphery of the outer wall of the positioning rod, one end of the suspension wire is fixed at the center of the base, the other end of the suspension wire is connected with the suture needle, and a plurality of positioning through grooves used for winding the suspension wire are uniformly formed in the periphery of the base towards the center of the base. The suspension method comprises the steps of making bone holes, installing a suspension device, suspending for the first time, suspending again and finishing suspending. The invention has the characteristics of simple operation, safety, reliability, no wire connection and repeated suspension.
Description
Technical field:
the invention belongs to the technical field of medical appliances, and particularly relates to a human body degradable in-dural operation hanger and a hanging method thereof.
The background technology is as follows:
after the skull is removed by craniotomy, the dura mater is required to be separated from the skull, the dura mater is required to be suspended to stop bleeding in order to prevent the peripheral dura mater hemorrhage of the bone window, and the dura mater is usually suspended and fixed in a knotting mode, but the skull is not opened again after being suspended, if the skull is opened again, the operation time is prolonged, and the operation risk is increased. If the dura mater is hung at the beginning of the operation, the tension of the dura mater is increased due to the hanging at the end of the operation, and the incision is widened and cannot be sutured in alignment; if the dura mater is suspended after the dura mater is sutured after the operation is finished, the blood seepage is continuously carried out outside the dura mater around the operation area during the operation, the bleeding amount is enhanced, the operation area is not clean, meanwhile, the skull drilling needs to drill through the skull, the bone holes are permeated with blood, and the dura mater damage is easily caused.
The invention comprises the following steps:
the invention provides a human body degradable dura mater in-operation hanger and a hanging method thereof, which are used for overcoming the defect that the existing hanging mode is easy to cause dura mater damage.
The invention adopts the technical scheme that: a human degradable intra-dural surgical suspension comprising: the base is platy, the locating lever is vertically fixed on the lower surface of base, and the outer wall circumference processing at the locating lever has the bellying that extends to the outside, the one end of hanging the line is fixed in the center department of base, and the other end of hanging the line is connected with the sewing needle, evenly has offered a plurality of location logical grooves that are used for twining the hanging line to base central direction at the peripheral edge of base.
Preferably, the protruding portion is a plurality of layers which are stacked, and the longitudinal section of each layer of protruding portion is a truncated cone with the upper bottom larger than the lower bottom.
Preferably, the base is also provided with guide grooves with the number matched with that of the positioning through grooves, the groove shape of the guide grooves is the same as and parallel to the edge shape of the base, and each guide groove is communicated with the corresponding positioning groove.
Preferably, the positioning groove is communicated with the middle part of the guide groove.
Preferably, the base and the positioning rod are biomedical degradable hard materials.
Preferably, the medical degradable hard material is a polyglycolide material.
Preferably, the base is any one of a circle, an ellipse, an equilateral triangle and a rectangle.
A dura mater suspension method comprises the following specific suspension steps:
step 1, drilling bone holes: selecting a bone drill with a proper size, and drilling a bone hole on the skull, wherein the bone hole is used for being matched with a hanger;
step 2, installing a hanger: inserting a positioning rod of the hanger into the bone hole;
step 31, first suspension: the suture needle belt suspension wire passes through the outer layer of the dura mater, the suspension wire is brought in from one positioning through groove and is led into a guide groove corresponding to the suspension wire, and the suspension wire is continuously brought into the next positioning through groove by repeating the steps, so that simple winding is realized;
step 32, suspending again: when closing the cranium and suturing the dura mater, the wound suspension wire can be firstly opened to enable the dura mater to be loosened, and the suspension wire is tensioned again after the suturing is finished;
step 4, suspending is finished: after the suspension is finished, the suspension wire is cut off, and the base is pressed down to enable the positioning rod to extend into the bone hole completely.
The beneficial effects of the invention are as follows:
1. the invention realizes positioning by utilizing the cooperation between the positioning rod and the bone hole, and performs winding type fixation by utilizing the positioning through groove formed on the base and the suspension wire, thereby overcoming the defect that the existing suspension needs to be knotted and cannot be loosened again after being knotted.
2. The medical human body degradable absorbing material is adopted in the hanger, and the hanger is disposable without taking out after operation, is low in manufacturing cost and has higher market popularization value.
Description of the drawings:
FIG. 1 is a schematic structural diagram of embodiment 1 of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic view of a structure of a boss;
FIG. 4 is a schematic view of the structure of the base in the embodiment 2;
FIG. 5 is a schematic view of the structure of the base in embodiment 3;
FIG. 6 is a schematic view of the structure of the base in embodiment 4;
wherein: 1 a base, 11 positioning through grooves, 12 guiding grooves, 2 positioning rods, 21 convex parts, 3 suspension wires and 4 suture needles.
The specific embodiment is as follows:
example 1
As shown in fig. 1 to 3, the present invention is a human degradable in-dural surgical hanger comprising: the base 1 is plate-shaped, and the base 1 in this embodiment is described by taking a round shape as an example.
The locating rod 2 is vertically fixed on the lower surface of the base 1, and the locating rod 2 and the base 1 are coaxially arranged. The outer wall of the positioning rod 2 is circumferentially provided with a convex part 21 extending outwards, the convex parts 21 are arranged in a laminated mode, and the longitudinal section of each layer of convex part 21 is a truncated cone with the upper bottom larger than the lower bottom.
One end of the suspension wire 3 is fixed at the center of the base 1, the other end of the suspension wire 3 is connected with the suture needle 4, a plurality of positioning through grooves 11 are uniformly formed in the peripheral edge of the base 1 towards the center direction of the base 1, and the positioning through grooves 11 are used for facilitating winding of the suspension wire 3.
In order to reserve enough winding space when the suspension wire 3 is wound for multiple times, guide grooves 12 matched with the positioning through grooves 11 in number are further formed in the base 1, the guide grooves 12 are arranged close to the center of the base 1, the groove shape of each guide groove 12 is identical to and parallel to the edge shape of the base 1, the guide grooves 12 are arc-shaped in the embodiment, and the middle of each guide groove 12 is communicated with the corresponding positioning groove 11.
The base 1 and the positioning rod 2 are made of biomedical degradable materials with certain hardness, such as a polyglycolide material, and compared with medical metal materials, the biomedical degradable materials can reduce the rejection reaction of a human body on an implant, and the biomedical degradable materials such as the polyglycolide material have certain hardness and can be quickly absorbed by the human body after being implanted for a period of time. The suture line 4 is made of degradable and absorbable materials such as catgut, chemical synthetic thread (PGA), purely natural collagen suture line and the like.
Example 2
As shown in fig. 4, the embodiment 2 is different from the embodiment 1 only in the shape of the base 1, and the base 1 in the embodiment 2 is elliptical.
Example 3
As shown in fig. 5, the embodiment 3 is different from the embodiment 1 only in the shape of the base 1, and in the embodiment 3, the base 1 is an equilateral triangle, and further preferably, in order to avoid scratching muscle tissue by the tips of the three vertex angles, the three vertex angles may be designed in an arc shape.
Example 4
As shown in fig. 6, embodiment 4 differs from embodiment 1 only in the shape of the base 1, and in embodiment 4, the base 1 is square, and further preferably, in order to avoid scratching the muscle tissue by the tips of the four corners, the four corners may be designed to be rounded.
Example 5
A dura mater suspension method using the suspension of examples 1 to 5:
step 1, drilling bone holes: after the doctor removes the skull in craniotomy, the surface of the skull around the bone window of the operation area of the patient is required to be drilled vertically, the bone drill with the size of the largest cross section of the bulge 21 being slightly smaller is selected, the depth of the hole is smaller than the thickness of the skull during drilling, the dura mater is prevented from being damaged, and the length of the positioning rod 2 is larger than the length of the positioning rod.
Step 2, installing a hanger: the positioning rod 2 is inserted into a bone hole, the outer edge of each layer of protruding part 21 is extruded and deformed through extrusion, the protruding part 21 is tightly attached to the inner wall of the bone hole, the firmness between the protruding part 21 and the inner wall of the bone hole on the positioning rod 2 is improved by increasing friction force, the purpose of preventing falling is achieved, a certain interval is reserved between the base 1 and the bone hole, and the later winding of the suspension wire 3 is facilitated.
Step 31, first suspension: when the suture needle 4 is needed to hang, the suture needle 3 is used for carrying the suspension wire 3 to pass through the outer layer of the dura mater, the suspension wire 3 is tensioned to realize the suspension of the dura mater, the suspension wire 3 is carried in from one positioning through groove 11 and is led into a guiding groove 12 corresponding to the positioning through groove, the steps are repeated to continuously carry the suspension wire 3 into the next positioning through groove 11, and the fixed hemostatic effect is realized by simple winding and utilizing the pressure and friction between the base 1 and the skull.
Step 32, suspending again: when closing the cranium and sewing the dura mater, the wound suspension wire 3 can be firstly opened to enable the dura mater to be loose, thereby being beneficial to watertight and sewing the dura mater, after the sewing is finished, the suspension wire 3 is tensioned again, and the suspension wire 3 is wound in the positioning through groove 11 and the guide groove 12 again, thereby playing a role of re-suspending the dura mater.
Step 4, suspending is finished: after the suspension is finished, the suspension wire 3 is cut off, the base 1 is pressed down to enable the positioning rod 2 to extend into the bone hole completely, and the positioning rod 2 can play a role in stopping bleeding after being embedded into the bone hole, and the base 1 and the positioning rod 2 are made of human body degradable absorbing materials, and the base 1 is plate-shaped, so that no influence is caused when the scalp is sewn, and the base 1 and the positioning rod 2 are absorbed by the human body after a period of time, so that a patient does not feel uncomfortable in postoperative life.
In the foregoing, the present invention is merely preferred embodiments, which are based on different implementations of the overall concept of the invention, and the protection scope of the invention is not limited thereto, and any changes or substitutions easily come within the technical scope of the present invention as those skilled in the art should not fall within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.
Claims (5)
1. A human degradable intra-dural surgical suspension comprising: the medical suture needle comprises a base (1), a positioning rod (2), a suspension wire (3) and a suture needle (4), wherein the base (1) is plate-shaped, the positioning rod (2) is vertically fixed on the lower surface of the base (1), the base (1) and the positioning rod (2) are biomedical degradable hard materials, and the positioning rod (2) is matched with a bone hole to realize positioning when in suspension; the outer wall of the positioning rod (2) is circumferentially provided with a protruding part (21) extending outwards, one end of the suspension wire (3) is fixed at the center of the base (1), the other end of the suspension wire (3) is connected with the suture needle (4), a plurality of positioning through grooves (11) used for winding the suspension wire (3) are uniformly formed in the peripheral edge of the base (1) towards the center of the base (1), the base (1) is also provided with guide grooves (12) matched with the positioning through grooves (11), the groove shape of the guide grooves (12) is identical to and parallel to the edge shape of the base (1), and each guide groove (12) is communicated with the corresponding positioning through groove (11); when the suture needle (4) is used for carrying the suspension wire (3) through the outer layer of the dura mater for the first time, the suspension wire (3) is tensioned to realize suspension of the dura mater, the suspension wire (3) is led in from one positioning through groove (11) and is led into a guiding groove (12) corresponding to the positioning through groove, the steps are repeated to continuously bring the suspension wire (3) into the next positioning through groove (11), and the fixation hemostasis effect is realized by simple winding and utilizing the pressure and friction force between the base (1) and the skull; when the head closing suture dura mater is hung again, the wound suspension wire (3) can be firstly opened, so that the dura mater is loosened, watertight suture dura mater is facilitated, the suspension wire (3) is tensioned again after the suture is finished, and the suspension wire (3) is wound in the positioning through groove (11) and the guide groove (12) again, so that the effect of suspending the dura mater again is achieved; after the suspension is finished, the suspension wire (3) is cut off, the base (1) is pressed down, the positioning rod (2) completely stretches into the bone hole, and the positioning rod (2) can play a role in hemostasis after being embedded into the bone hole.
2. A human degradable intra-dural surgical suspension as defined in claim 1 wherein: the protruding parts (21) are multiple layers which are arranged in a stacked mode, and the longitudinal section of each layer of protruding part (21) is in a truncated cone shape with the upper bottom larger than the lower bottom.
3. A human degradable intra-dural surgical suspension as defined in claim 2 wherein: the positioning through groove (11) is communicated with the middle part of the guide groove (12).
4. A human degradable intra-dural surgical suspension as defined in claim 3 wherein: the medical degradable hard material is a polyglycolide material.
5. A human degradable intra-dural suspension according to any one of claims 1 to 4, wherein: the base (1) is any one of a circle, an ellipse, an isosceles triangle and a rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010660258.XA CN111658057B (en) | 2020-07-03 | 2020-07-03 | Human degradable intra-dural operation hanger and hanging method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010660258.XA CN111658057B (en) | 2020-07-03 | 2020-07-03 | Human degradable intra-dural operation hanger and hanging method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111658057A CN111658057A (en) | 2020-09-15 |
| CN111658057B true CN111658057B (en) | 2023-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010660258.XA Active CN111658057B (en) | 2020-07-03 | 2020-07-03 | Human degradable intra-dural operation hanger and hanging method thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6015410A (en) * | 1997-12-23 | 2000-01-18 | Bionx Implants Oy | Bioabsorbable surgical implants for endoscopic soft tissue suspension procedure |
| WO2003077728A2 (en) * | 2002-03-12 | 2003-09-25 | Coapt Systems, Inc. | Adjustable suture anchor |
| EP1645247A1 (en) * | 2004-10-08 | 2006-04-12 | Hugues Charles | Device for anchoring a ligament on a bone structure |
| CN107405142A (en) * | 2015-03-16 | 2017-11-28 | 爱德华兹生命科学公司 | Suture fixing device |
| CN108553138A (en) * | 2018-07-05 | 2018-09-21 | 泗洪县正心医疗技术有限公司 | It is a kind of through abdomen wall puncture suspension apparatus |
| US10085740B1 (en) * | 2017-07-06 | 2018-10-02 | Christian N. Anderson | Suture button construct for surgical procedures |
| CN212679199U (en) * | 2020-07-03 | 2021-03-12 | 哈尔滨医科大学 | Human degradable dura mater intraoperative suspension device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012151432A1 (en) * | 2011-05-03 | 2012-11-08 | Biodynamics, Llc | Craniotomy plugs |
| US20130168478A1 (en) * | 2011-12-29 | 2013-07-04 | Jeffrey T. Holman | Reverse-tension earbud organizer |
-
2020
- 2020-07-03 CN CN202010660258.XA patent/CN111658057B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6015410A (en) * | 1997-12-23 | 2000-01-18 | Bionx Implants Oy | Bioabsorbable surgical implants for endoscopic soft tissue suspension procedure |
| WO2003077728A2 (en) * | 2002-03-12 | 2003-09-25 | Coapt Systems, Inc. | Adjustable suture anchor |
| EP1645247A1 (en) * | 2004-10-08 | 2006-04-12 | Hugues Charles | Device for anchoring a ligament on a bone structure |
| CN107405142A (en) * | 2015-03-16 | 2017-11-28 | 爱德华兹生命科学公司 | Suture fixing device |
| US10085740B1 (en) * | 2017-07-06 | 2018-10-02 | Christian N. Anderson | Suture button construct for surgical procedures |
| CN108553138A (en) * | 2018-07-05 | 2018-09-21 | 泗洪县正心医疗技术有限公司 | It is a kind of through abdomen wall puncture suspension apparatus |
| CN212679199U (en) * | 2020-07-03 | 2021-03-12 | 哈尔滨医科大学 | Human degradable dura mater intraoperative suspension device |
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| Publication number | Publication date |
|---|---|
| CN111658057A (en) | 2020-09-15 |
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