CN113662602A - Protection guide for knee joint meniscus repair operation - Google Patents
Protection guide for knee joint meniscus repair operation Download PDFInfo
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- CN113662602A CN113662602A CN202111027651.6A CN202111027651A CN113662602A CN 113662602 A CN113662602 A CN 113662602A CN 202111027651 A CN202111027651 A CN 202111027651A CN 113662602 A CN113662602 A CN 113662602A
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- 210000000629 knee joint Anatomy 0.000 title claims abstract description 34
- 230000008439 repair process Effects 0.000 title claims abstract description 23
- 230000005499 meniscus Effects 0.000 title claims abstract description 17
- 238000005192 partition Methods 0.000 claims abstract description 39
- 230000000149 penetrating effect Effects 0.000 claims abstract description 29
- 230000001681 protective effect Effects 0.000 claims abstract description 23
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 22
- 229910052742 iron Inorganic materials 0.000 claims description 11
- 210000003127 knee Anatomy 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 11
- 238000001356 surgical procedure Methods 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 7
- 238000001179 sorption measurement Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 238000009958 sewing Methods 0.000 description 12
- 230000035515 penetration Effects 0.000 description 9
- 238000003780 insertion Methods 0.000 description 7
- 230000037431 insertion Effects 0.000 description 7
- 210000001519 tissue Anatomy 0.000 description 7
- 230000006378 damage Effects 0.000 description 5
- 210000005036 nerve Anatomy 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 210000004872 soft tissue Anatomy 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 210000004204 blood vessel Anatomy 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 210000000281 joint capsule Anatomy 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 2
- 210000000845 cartilage Anatomy 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 230000002792 vascular Effects 0.000 description 2
- 241000233866 Fungi Species 0.000 description 1
- 206010023232 Joint swelling Diseases 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000007246 mechanism Effects 0.000 description 1
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- 238000003825 pressing Methods 0.000 description 1
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- 239000013589 supplement Substances 0.000 description 1
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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
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0218—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for minimally invasive surgery
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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
- A61B17/0469—Suturing instruments for use in minimally invasive surgery, e.g. endoscopic surgery
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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
- A61B17/0482—Needle or suture guides
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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
- A61B17/0493—Protective devices for suturing, i.e. for protecting the patient's organs or the operator
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Endoscopes (AREA)
Abstract
The application relates to a protective guide for a knee joint meniscus repair operation, relating to the technical field of medical instruments; aiming at solving the technical problem that the existing suture needle can not smoothly and quickly pass out of the body of a patient under the guidance of a guide device; the minimally invasive incision dilator comprises a guide arc plate and a support ring plate, wherein the support ring plate is arranged at the end part of the guide arc plate and is used for propping open a minimally invasive incision; the side wall of the guide arc plate is provided with a partition plate, the partition plate divides the guide arc plate into a first penetrating area and a second penetrating area, the first penetrating area is used for the endoscope to penetrate, and the second penetrating area is used for the suture needle to penetrate; the application has the effect of guiding the suture needle to smoothly and rapidly penetrate out of the body of a patient.
Description
Technical Field
The application relates to the technical field of medical instruments, in particular to a protection guide for a meniscus repair operation of a knee joint.
Background
The knee joint has an inner half-moon-shaped bone and an outer half-moon-shaped bone, called meniscus, on the tibial articular surface, which are tightly connected with the articular capsule, and have the functions of improving the stability of the joint and buffering the oscillation; damage to cartilage tissues such as meniscus and the like easily causes severe pain of knee joints, joint swelling, tenderness at joint gaps and the like of patients, so that a suture repair operation is generally needed after damage to the cartilage tissues such as meniscus and the like; meniscal suture repair surgery needs to use various instruments, and the instruments (such as suture needles) are easy to stab vascular nerves and other tissues behind the knee joint, so that additional injury is caused to a patient.
A related Chinese patent with an authorization publication number of CN213722172U discloses a tailgate and meniscus sewing device, which comprises a guide part and a spreading part, wherein the guide part is of a strip-shaped bending structure, the guide part is provided with a guide end and a leading-out end along the extending direction of the guide part, and the spreading part is arranged at the leading-out end of the guide part; when the endoscope is used, the guide end of the guide part extends into a suture part inside the knee joint of a patient through a minimally invasive incision which is pre-arranged at the knee joint part of the patient by medical staff, the opening part is inserted at the minimally invasive incision, so that the minimally invasive incision is kept in an open state through the opening part, structures such as blood vessel nerves in the knee joint are effectively separated from a joint capsule through the rear baffle, then the endoscope is inserted from the leading-out end by the medical staff, so that the endoscope moves to the guide end under the guide of the rear baffle, when in suture, the suture needle penetrates through the meniscus and moves to the guide end, then the suture needle is abutted against the guide end, the guide end guides the suture needle to penetrate out of the body of the patient from the leading-out end, and the situation that the suture needle injures tissues such as the blood vessel nerves behind the knee joint is reduced.
In view of the above-mentioned related arts, the inventor believes that the suture needle is easily blocked by the endoscope and bent and turned in the process of moving to the guiding end and moving to the leading-out end, and further, the suture needle cannot smoothly pass through the leading-out end to the outside of the patient body.
Disclosure of Invention
In order to improve the technical problem that a suture needle in the related art is easy to be blocked by an endoscope in the process of passing through a rear baffle plate so as to further cause the suture needle to fail to pass through the rear baffle plate smoothly, the application provides a protective guide for a knee joint meniscus repair operation.
The application provides a protection guide of knee joint meniscus repair operation adopts following technical scheme:
a protection guide for knee joint meniscus repair surgery comprises a guide arc plate and a support ring plate, wherein the support ring plate is arranged at the end part of the guide arc plate and is used for opening a minimally invasive incision; the side wall of the guide arc plate is provided with a partition plate, the partition plate divides the guide arc plate into a first penetrating area and a second penetrating area, the first penetrating area is used for the endoscope to penetrate, and the second penetrating area is used for the suture needle to penetrate.
Through adopting above-mentioned technical scheme, the district is worn to establish to the first district of wearing to establish and the second that will guide the arc board to cut apart into mutual noninterference that sets up of baffle, and the first district of wearing to establish is used for wearing to establish of endoscope, and the district is worn to establish to wear to establish of sewing needle in the second to reduce and appear sewing needle and endoscope intertwine, make the sewing needle receive the hindrance of endoscope and can't pass the guide arc board smoothly and remove the condition outside the patient's body.
Optionally, the guide arc plate includes a first arc plate and a second arc plate, the first penetrating area is located between the first arc plate and the partition plate, and the second penetrating area is located between the second arc plate and the partition plate.
Through adopting above-mentioned technical scheme, the separation of blood vessel nerve and the joint capsule in the knee joint has been realized in setting up of first arc board and second arc board, first arc board can reduce the endoscope appear when inserting the knee joint inside through the support ring board, the endoscope produces the touching friction with the nervous tissue in the knee joint or surrounding soft tissue etc. and then leads to the injury of the nervous tissue in the knee joint or surrounding soft tissue, the setting up of second arc board can reduce appear the suture needle and with the knee joint in produce the touching friction between the nervous tissue or surrounding soft tissue etc. and then lead to the condition of the injury of the nervous tissue in the knee joint or surrounding soft tissue.
Optionally, one end of the partition plate, which is far away from the support ring plate, is provided with a limiting plate, and a limiting concave surface is formed on the side wall of the limiting plate, which faces the second penetration area.
Through adopting above-mentioned technical scheme, wear to establish the district when the sewing needle does not insert the second, and when the orientation that is close to first wearing to establish the district removed, the setting of limiting plate can block to sew up in the needle inserts first wearing to establish the district, sew up needle and the spacing concave surface looks butt on the limiting plate this moment, the setting of spacing concave surface on the limiting plate can guide the sewing needle to get into the second and wear to establish in the district to further reduce the condition that the sewing needle received the hindrance of endoscope and can't pass first arc board smoothly and remove to the patient is external.
Optionally, a first inclined surface is arranged on the side wall of the partition plate facing the second arc plate, and the thickness of the side wall of the partition plate close to the limiting plate is smaller than that of the side wall of the partition plate far away from the limiting plate; the second arc board is provided with the second inclined plane towards the lateral wall of baffle department, just the second arc board is close to limiting plate department side wall thickness and is less than the second arc board and is close to the side wall thickness of support ring board department.
By adopting the technical scheme, after the sewing needle enters the second penetrating area, the thickness of the side wall of the partition board close to the limiting board is smaller than that of the side wall of the partition board far away from the limiting board, so that when the sewing needle abuts against the first inclined surface, the sewing needle moves to the position of the support ring plate under the guiding action of the inclined surface of the partition board; because the thickness of the side wall of the second arc plate close to the limiting plate is smaller than that of the side wall of the second arc plate close to the supporting ring plate, when the sewing needle abuts against the second inclined surface, the sewing needle moves to the supporting ring plate under the guiding action of the second arc plate.
Optionally, a locking piece is arranged on a side wall of the partition plate facing the first arc plate, and the locking piece is used for fixing the length of the endoscope inserted into the first penetrating area; the locking piece comprises a supporting block, a clamping block and a resisting spring, wherein the end wall of the supporting block is provided with an inserting notch, the clamping block is symmetrically inserted into the inserting notch, the side wall of the supporting block is provided with a yielding groove, the clamping block and the resisting spring are arranged in a one-to-one correspondence manner, one end of the clamping block is inserted into the yielding groove, one end of the resisting spring is connected to the clamping block, and the other end of the resisting spring is connected to the inner wall of the yielding groove.
Through adopting above-mentioned technical scheme, after the endoscope inserted the first assigned position who wears to establish the district, insert the position that is close to the lock piece with the endoscope and establish in the breach, the grip block receives the extrusion of endoscope and the part inserts the inslot of stepping down this moment, and the spring is in deformation state this moment, and is corresponding, and the elasticity that the spring deformation produced passes to the grip block, and the rethread grip block extrudes the endoscope to the realization presss from both sides tight endoscope, realizes the fixed of endoscope.
Optionally, the locking piece further comprises a support plate, a locking rod, a locking nut and an adsorption iron sheet, wherein a movable notch is formed in the end portion of the support plate, one end of the locking rod penetrates through the support plate and is inserted into the locking nut in a threaded manner, and the side wall of the locking nut abuts against the side wall of the support plate; the side wall of the locking rod is also provided with a rotation stopping block, the side wall of the supporting plate is provided with a rotation stopping hole, and the rotation stopping block is inserted into the rotation stopping hole; the supporting block is inserted into the movable notch and movably sleeved outside the locking rod, and the adsorption iron sheet is arranged on the inner wall of the movable notch and is magnetically adsorbed and fixed on the side wall of the supporting block.
Through adopting above-mentioned technical scheme, the backup pad, the lock pole, the setting of lock nut and absorption iron sheet can make the supporting shoe use the lock pole to do circumferential direction as the center, thereby can adjust the observation angle of endoscope as required, when the observation angle of needs fixed endoscope, the pulling lock pole, thereby make the lateral wall that the backup pad is close to activity breach department be close to each other, at this in-process, the piece that splines removes along the hole length direction that splines, the supporting shoe lateral wall supports tightly in activity breach inner wall, last through the rotational position of the fixed supporting shoe of lock nut, supporting shoe magnetism is inhaled firmly on absorption iron sheet this moment, the setting of absorption iron sheet has played the effect of further fixed supporting shoe rotational position.
Optionally, the side walls of the clamping blocks facing each other are provided with a plurality of first ribs and a plurality of second ribs, and the arrangement direction of the adjacent first ribs is parallel to the length direction of the endoscope; the arrangement direction of the adjacent second convex edges is parallel to the length direction of the supporting plate; the first rib is located between the support plate and the second rib.
By adopting the technical scheme, when the position of the endoscope needs to be fixed, the part of the endoscope close to the locking piece is inserted into the insertion notch, and in the insertion process, the endoscope firstly passes through the second rib, then moves to the first rib and is abutted against the first rib; because the direction of arranging of second bead is on a parallel with the length direction of backup pad, consequently, the setting of second bead can reduce the condition that the endoscope breaks away from to insert and establishes the breach.
Optionally, the expansion arc plates are symmetrically arranged on the periphery of the support ring plate, and the adjusting piece is further arranged on the periphery of the support ring plate and used for adjusting the distance between the expansion arc plates and the support ring plate.
By adopting the technical scheme, the application range of the protection guider can be expanded by the arrangement of the expansion arc plate and the adjusting piece, so that when the inner diameter of the minimally invasive incision is larger than that of the supporting plate, the distance between the supporting ring plate and the expansion arc plate is expanded through the adjusting piece, and the minimally invasive incision is supported through the expansion arc plate.
Optionally, the adjusting member includes an air bag detachably connected to a side wall of each expansion arc plate, a communication pipe communicated with the two air bags, and a sealing plug inserted at a pipe orifice of the communication pipe for sealing the communication pipe; the side wall of the airbag far away from the expansion arc plate is detachably connected to the outer side wall of the support ring plate.
By adopting the technical scheme, the size of the air bag is selected according to the size of the minimally invasive incision, and then the air bag is arranged between the support ring plate and the expansion arc plate; the deflation or air supplement of the two air bags can be realized through the communicating pipe, so that the fine adjustment of the distance between the supporting ring plate and the expansion arc plate is realized.
Optionally, the lateral wall of first arc board orientation baffle department is provided with first protecting film, be provided with rubber magnet jointly between first protecting film and the baffle, first protecting film lateral wall reserves has the breach of stepping down that supplies the endoscope to wear to establish, the lateral wall of baffle orientation second arc board department is provided with the second protecting film.
Through adopting above-mentioned technical scheme, the endoscope is through stepping down the breach and insert first wear to establish after the district is inside, and the lateral wall of keeping away from first arc board department with first protecting film passes through rubber magnetism magnetic attraction admittedly on the baffle to be close to the first opening part of wearing to establish the district through the closed backup pad of first protecting film, the second protecting film covers the opening part that the backup pad is close to the second and wears to establish the district department under the dead weight effect, reduces outside fungus dirt and gets into inside the knee joint from leading the arc board.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the arrangement of the partition plate divides the guide arc plate into a first penetrating area and a second penetrating area which are not interfered with each other, the first penetrating area is used for the penetration of the endoscope, and the second penetrating area is used for the penetration of the suture needle, so that the situation that the suture needle is wound with the endoscope and cannot smoothly pass through the guide arc plate and move to the outside of a patient body due to the obstruction of the endoscope is reduced;
2. the arrangement of the expansion arc plate and the adjusting piece can expand the application range of the protection guider, so that when the inner diameter of the minimally invasive incision is larger than that of the supporting plate, the distance between the supporting ring plate and the expansion arc plate is expanded through the adjusting piece, and the minimally invasive incision is supported through the expansion arc plate.
Drawings
Fig. 1 is a schematic structural view of a protective guide for a meniscus repair operation of a knee joint according to an embodiment.
Fig. 2 is a cross-sectional view of the protective guide of the embodiment used to embody a knee meniscal repair procedure.
FIG. 3 is a schematic diagram of an embodiment of a latch mechanism.
Description of reference numerals: 1. a guide arc plate; 11. a first arc plate; 12. a second arc plate; 121. a second inclined surface; 13. a communication region; 131. a first penetration region; 132. a second penetration region; 14. a partition plate; 141. a limiting plate; 1411. a limiting concave surface; 142. a first inclined surface; 15. a first protective film; 151. a rubber magnet; 152. a abdication gap; 16. a second protective film; 2. a support ring plate; 21. expanding the arc plate; 22. an adjustment member; 221. an air bag; 222. a communicating pipe; 223. a sealing plug; 3. a locking member; 31. a support plate; 311. a movable notch; 312. a rotation stopping hole; 32. a lock lever; 321. a rotation stopping block; 322. a limiting block; 33. a lock nut; 34. adsorbing iron sheets; 35. a support block; 351. inserting the gap; 352. a yielding groove; 36. a clamping block; 361. a first rib; 362. a second rib; 37. the spring is tightly propped; 4. an endoscope.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a protection guide for a knee joint meniscus repair operation. Referring to fig. 1 and 2, the protection guide comprises a guide arc plate 1 and a support ring plate 2, wherein one end of the guide arc plate 1 is welded on the side wall of the support ring plate 2, and a communication area 13 is arranged inside the guide arc plate 1; when the support ring plate is used, one end of the guide arc plate 1, which is far away from the support ring plate 2, penetrates through a minimally invasive incision which is pre-opened at the knee part of a patient and extends into the knee joint, and the support ring plate 2 is inserted into the minimally invasive incision, so that the minimally invasive incision is kept in an open state; the medical professional may insert the endoscope 4 from outside the patient's body through the communicating region 13 and into the interior of the knee joint, and the suture needle may be passed through the communicating region 13 and out of the patient's body after passing through the interior of the knee joint.
Referring to fig. 1 and 2, the guide arc plate 1 includes a first arc plate 11 and a second arc plate 12, and side walls of the first arc plate 11 and the second arc plate 12 facing each other are welded to each other; the side wall welding of first arc board 11 and second arc board 12 interconnect department has baffle 14, and baffle 14 is worn to establish district 131 and second for the district 132 of establishing for the intercommunication district 13, and the region between baffle 14 and the first arc board 11 is first wears to establish district 131, and first area 131 of establishing is used for endoscope 4 to wear to establish, and the region between baffle 14 and the second arc board 12 is the second and wears to establish district 132, and the second is worn to establish district 132 and is used for the suture needle to wear to establish.
Referring to fig. 1 and 2, a limiting plate 141 is integrally formed at one end of the partition 14 away from the support ring plate 2, and a limiting concave surface 1411 is arranged on a side wall of the limiting plate 141 facing the second penetrating region 132; the side wall of the partition plate 14 facing the first arc plate 11 is provided with a first inclined surface 142, and the thickness of the side wall of the partition plate 14 close to the limiting plate 141 is smaller than that of the side wall of the partition plate 14 far away from the limiting plate 141; a second inclined surface 121 is arranged on the side wall of the second arc plate 12 facing the partition plate 14, and the thickness of the side wall of the second arc plate 12 close to the limiting plate 141 is smaller than that of the side wall of the second arc plate 12 far away from the limiting plate 141; when the suture needle is close to the guide arc plate 1, the setting of the limiting plate 141 can stop the suture needle from entering the first wearing area 131, the setting of the limiting concave surface 1411 can guide the suture needle to enter the second wearing area 132, and the setting of the first inclined surface 142 and the second inclined surface 121 can guide the suture needle to pass through the second wearing area 132 and penetrate out of the body of the patient from the support ring plate 2.
Referring to fig. 1 and 2, a second protective film 16 is fixedly bonded to a side wall of the partition 14 facing the second arc plate 12, and the second protective film 16 covers between the partition 14 and the second arc plate 12 under the action of self weight to reduce the entrance of external bacteria and dust from the second penetrating area 132 into the knee joint of the patient.
Referring to fig. 2 and 3, a first protective film 15 is fixedly bonded to a side wall of the first arc plate 11 facing the partition plate 14, magnetically attracted rubber magnets 151 are respectively bonded to the mutually facing side walls of the first protective film 15 and the partition plate 14, and an abdicating notch 152 is formed in the side wall of the first protective film 15 so that the endoscope 4 can enter the first penetrating area 131 from the abdicating notch 152; the second protective film 16 covers between the partition 14 and the first arc plate 11, so that the external bacteria and dust can be reduced from entering the knee joint of the patient from the first penetrating area 131.
Referring to fig. 2 and 3, the side wall of the partition 14 facing the first arc plate 11 is provided with a locking member 3 for fixing the length of the endoscope 4 inserted into the first penetration area 131; the locking piece 3 comprises a support plate 31, a locking rod 32, a locking nut 33, an adsorption iron sheet 34, a supporting block 35, a clamping block 36 and a pressing spring 37; the support plate 31 is welded on the side wall of the partition plate 14, and the length direction of the support plate 31 is vertical to the length direction of the partition plate 14; a movable notch 311 is formed in one end, away from the partition 14, of the support plate 31, the locking rod 32 penetrates through a side wall, close to the movable notch 311, of the support plate 31, a limiting block 322 is integrally formed at one end of the locking rod 32, the limiting block 322 is attached to the side wall of the support plate 31, the other end of the locking rod 32 penetrates through the support plate 31 and is inserted into the locking nut 33 in a threaded manner, and the side wall of the locking nut 33 abuts against the side wall of the support plate 31; the lateral wall of the locking rod 32 is further integrally formed with a rotation stopping block 321, the lateral wall of the support plate 31 is provided with a rotation stopping hole 312, the length direction of the rotation stopping hole 312 is parallel to the length direction of the locking rod 32, and the rotation stopping block 321 is connected in the rotation stopping hole 312 in a sliding manner.
Referring to fig. 2 and 3, one end of the supporting block 35 is inserted into the movable notch 311, the supporting block 35 is sleeved outside the locking rod 32, and an end wall of the supporting block 35 facing the movable notch 311 is provided with an arc surface, so that the supporting block 35 rotates around the locking rod 32; the supporting block 35 can be a magnet block, and the absorption iron sheet 34 is embedded in the inner wall of the abdicating notch 152 and is magnetically absorbed and fixed with the supporting block 35; the side wall of the supporting block 35 is pressed against the inner wall of the movable notch 311 by screwing the locking nut 33, so that the rotation position of the supporting block 35 relative to the locking rod 32 is fixed by the friction force between the supporting block 35 and the inner wall of the movable notch 311 and the magnetic attraction force between the supporting block 35 and the adsorption iron sheet 34.
Referring to fig. 2 and 3, an insertion notch 351 is formed in an end wall of the support block 35 away from the support plate 31, the number of the clamping blocks 36 is 2, the clamping blocks 36 are inserted into the insertion notch 351, an abdicating groove 352 is formed in an inner wall of the insertion notch 351 close to each clamping block 36, and a part of the clamping blocks 36 are inserted into the abdicating groove 352; the resisting springs 37 are arranged in one-to-one correspondence with the yielding grooves 352, the resisting springs 37 are located in the yielding grooves 352, one end of each resisting spring 37 is welded to the inner wall of the yielding groove 352, and the other end of each resisting spring is welded to the side wall of the clamping block 36.
Referring to fig. 2 and 3, the side walls of the two clamping blocks 36 facing each other are provided with a plurality of first ribs 361 and a plurality of second ribs 362, and the first ribs 361 are located between the support plate 31 and the second ribs 362; the arrangement direction of the adjacent first ribs 361 is parallel to the length direction of the endoscope 4, and the arrangement direction of the adjacent second ribs 362 is parallel to the length direction of the support plate 31; after the endoscope 4 is inserted into the first penetrating area 131, the portion of the endoscope 4 close to the supporting block 35 is inserted into the insertion notch 351, at this time, the clamping block 36 is squeezed by the endoscope 4 and is partially inserted into the abdicating groove 352, the resisting spring 37 is squeezed by the clamping block 36 and is in a deformed state, correspondingly, the resisting spring 37 applies reverse elasticity to the endoscope 4, so that the endoscope 4 is pressed between the two clamping blocks 36, the endoscope 4 passes through the second rib 362 and is abutted against the side wall of the first rib 361, the arrangement of the first rib 361 can reduce the situation that the endoscope 4 deviates along the length direction of the endoscope 4, and the arrangement of the second rib 362 can reduce the situation that the endoscope 4 is separated from the insertion notch 351.
Referring to fig. 1 and 2, expansion arc plates 21 are symmetrically arranged on the periphery of the support ring plate 2, adjusting pieces 22 are further arranged on the periphery of the support ring plate 2, and the adjusting pieces 22 are used for adjusting the distance between the expansion arc plates 21 and the support ring plate 2; the adjusting part 22 comprises air bags 221, a communicating pipe 222 and a sealing plug 223, the air bags 221 and the expansion arc plate 21 are arranged in a one-to-one correspondence manner, the outer surfaces of the air bags 221 are detachably connected to the expansion arc plate 21 and the side wall of the support ring plate 2 through nylon buckles, one end of the communicating pipe 222 is simultaneously communicated with the two air bags 221, the sealing plug 223 is inserted at the other end of the communicating pipe 222 and used for sealing the two air bags 221, and the sealing plug 223 can be a rubber plug or a wooden plug; medical staff can select the size of the air bag 221 according to the size of the minimally invasive incision, and then the air bag 221 is connected between the expansion arc plate 21 and the support ring plate 2 through the nylon hasp, so that the expansion arc plate 21 and the support ring plate 2 can be adjusted, when the sealing plug 223 is taken out of the pipe orifice of the communication pipe 222, the communication pipe 222 can be inflated and deflated, the size of the air bag 221 can be finely adjusted, and the fine adjustment of the distance between the expansion arc plate 21 and the support ring plate 2 can be further realized.
The implementation principle of the protection guide for the knee joint meniscus repair operation in the embodiment of the application is as follows: firstly, one end of the guide arc plate 1 far away from the support ring plate 2 is inserted into a pre-arranged minimally invasive incision, the position of the groove of the guide arc plate 1, which is close to the interior of the knee joint, is moved, and then the expansion arc plate 21 is inserted at the minimally invasive incision, so that the opening state of the minimally invasive incision is kept through the expansion arc plate 21, the endoscope 4 is then inserted into the first penetration zone 131, so that the endoscope 4 can be inserted inside the knee joint, in the meniscus repairing process, the suture needle penetrates through the interior of the knee joint and is inserted into the second penetration area 132 under the guidance of the limiting plate 141, the second protective film 16 is jacked up by the suture needle, and finally the suture needle penetrates out of the body of the patient at the gap between the second protective film 16 and the second arc plate 12 to realize mutual independence of penetration positions of the suture needle and the endoscope 4, so that the suture needle and the endoscope 4 can move under the guidance action of the guide arc plate 1, meanwhile, the condition that tissues such as vascular nerves and the like behind the knee joint are punctured by the suture needle or the endoscope 4 can be reduced.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A protection guide for knee joint meniscus repair surgery, characterized in that: the minimally invasive incision dilator comprises a guide arc plate (1) and a support ring plate (2), wherein the support ring plate (2) is arranged at the end part of the guide arc plate (1) and is used for propping open a minimally invasive incision; the side wall of the guide arc plate (1) is provided with a partition plate (14), the partition plate (14) divides the guide arc plate (1) into a first penetrating area (131) and a second penetrating area (132), the first penetrating area (131) is used for the endoscope (4) to penetrate, and the second penetrating area (132) is used for the suture needle to penetrate.
2. The protective guide for knee meniscal repair surgery of claim 1, wherein: the guide arc plate (1) comprises a first arc plate (11) and a second arc plate (12), the first penetrating area (131) is located between the first arc plate (11) and the partition plate (14), and the second penetrating area (132) is located between the second arc plate (12) and the partition plate (14).
3. The protective guide for knee meniscal repair surgery of claim 2, wherein: one end, far away from the supporting ring plate (2), of the partition plate (14) is provided with a limiting plate (141), and a limiting concave surface (1411) is formed in the side wall, facing the second penetrating area (132), of the limiting plate (141).
4. The protective guide for knee meniscal repair surgery of claim 3, wherein: a first inclined surface (142) is arranged on the side wall of the partition plate (14) facing the second arc plate (12), and the thickness of the side wall of the partition plate (14) close to the limiting plate (141) is smaller than that of the side wall of the partition plate (14) far away from the limiting plate (141); the second arc plate (12) is provided with a second inclined plane (121) towards the lateral wall of baffle (14) department, just lateral wall thickness that second arc plate (12) are close to limiting plate (141) department is less than the lateral wall thickness that second arc plate (12) are close to support ring board (2) department.
5. The protective guide for knee meniscal repair surgery of claim 2, wherein: a locking piece (3) is arranged on the side wall of the partition plate (14) facing the first arc plate (11), and the locking piece (3) is used for fixing the length of the endoscope (4) inserted into the first penetrating area (131); locking piece (3) include supporting shoe (35), grip block (36) and support tight spring (37), supporting shoe (35) end wall has been seted up and has been inserted and establish breach (351), grip block (36) symmetry is inserted and is located to insert and establish in breach (351), support shoe (35) lateral wall has been seted up and has been stepped down groove (352), step down groove (352), grip block (36), support tight spring (37) one-to-one setting, grip block (36) wherein one end is inserted and is located in stepping down groove (352), support tight spring (37) wherein one end is connected in grip block (36), and the other end is connected in stepping down groove (352) inner wall.
6. The protective guide of a knee meniscal repair procedure of claim 5, wherein: the locking piece (3) further comprises a supporting plate (31), a locking rod (32), a locking nut (33) and an adsorption iron sheet (34), a movable notch (311) is formed in the end portion of the supporting plate (31), one end of the locking rod (32) penetrates through the supporting plate (31) and is inserted into the locking nut (33) in a threaded mode, and the side wall of the locking nut (33) abuts against the side wall of the supporting plate (31); the side wall of the locking rod (32) is also provided with a rotation stopping block (321), the side wall of the supporting plate (31) is provided with a rotation stopping hole (312), and the rotation stopping block (321) is inserted into the rotation stopping hole (312); the supporting block (35) is inserted into the movable gap (311) and movably sleeved outside the locking rod (32), and the adsorption iron sheet (34) is arranged on the inner wall of the movable gap (311) and is magnetically adsorbed and fixed on the side wall of the supporting block (35).
7. The protective guide for knee meniscal repair surgery of claim 6, wherein: the side walls of the clamping blocks (36) facing each other are provided with a plurality of first ribs (361) and a plurality of second ribs (362), and the arrangement direction of the adjacent first ribs (361) is parallel to the length direction of the endoscope (4); the arrangement direction of the adjacent second convex ribs (362) is parallel to the length direction of the support plate (31); the first rib (361) is located between the support plate (31) and the second rib (362).
8. The protective guide for knee meniscal repair surgery of claim 1, wherein: the supporting ring plate (2) periphery symmetry is provided with expansion arc board (21), supporting ring plate (2) periphery still is provided with adjusting part (22), adjusting part (22) are used for adjusting the distance between expansion arc board (21) and supporting ring plate (2).
9. The protective guide for knee meniscal repair surgery of claim 8, wherein: the adjusting part (22) comprises air bags (221) detachably connected to the side wall of each expansion arc plate (21), a communication pipe (222) communicated with the two air bags (221), and a sealing plug (223), wherein the sealing plug (223) is inserted at a pipe orifice of the communication pipe (222) to be used for sealing the communication pipe (222); the side wall of the air bag (221) far away from the expansion arc plate (21) is detachably connected with the outer side wall of the support ring plate (2).
10. The protective guide for knee meniscal repair surgery of claim 1, wherein: first arc board (11) are provided with first protecting film (15) towards the lateral wall of baffle (14) department, be provided with rubber magnet (151) jointly between first protecting film (15) and baffle (14), first protecting film (15) lateral wall is reserved has breach of stepping down (152) that supply endoscope (4) to wear to establish, baffle (14) are provided with second protecting film (16) towards the lateral wall of second arc board (12) department.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111027651.6A CN113662602A (en) | 2021-09-02 | 2021-09-02 | Protection guide for knee joint meniscus repair operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111027651.6A CN113662602A (en) | 2021-09-02 | 2021-09-02 | Protection guide for knee joint meniscus repair operation |
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| Publication Number | Publication Date |
|---|---|
| CN113662602A true CN113662602A (en) | 2021-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111027651.6A Pending CN113662602A (en) | 2021-09-02 | 2021-09-02 | Protection guide for knee joint meniscus repair operation |
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| Country | Link |
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| CN (1) | CN113662602A (en) |
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| WO2023104045A1 (en) * | 2021-12-09 | 2023-06-15 | 江苏风和医疗器材股份有限公司 | Suture device and puncture device for use in surgical operation |
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Application publication date: 20211119 |