CN117503219A - Minimally invasive surgical instrument - Google Patents

Minimally invasive surgical instrument Download PDF

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Publication number
CN117503219A
CN117503219A CN202311768433.7A CN202311768433A CN117503219A CN 117503219 A CN117503219 A CN 117503219A CN 202311768433 A CN202311768433 A CN 202311768433A CN 117503219 A CN117503219 A CN 117503219A
Authority
CN
China
Prior art keywords
protective
sheath
sleeve
end effector
minimally invasive
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
Application number
CN202311768433.7A
Other languages
Chinese (zh)
Inventor
刘龙
胡刚岭
杨文龙
苏衍宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Kangduo Robot Co ltd
Original Assignee
Suzhou Kangduo Robot Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Suzhou Kangduo Robot Co ltd filed Critical Suzhou Kangduo Robot Co ltd
Priority to CN202311768433.7A priority Critical patent/CN117503219A/en
Publication of CN117503219A publication Critical patent/CN117503219A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B50/00Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/08Accessories or related features not otherwise provided for
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • A61B2017/00238Type of minimally invasive operation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/08Accessories or related features not otherwise provided for
    • A61B2090/0801Prevention of accidental cutting or pricking
    • A61B2090/08021Prevention of accidental cutting or pricking of the patient or his organs

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Molecular Biology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Pathology (AREA)
  • Surgical Instruments (AREA)

Abstract

The invention belongs to the technical field of medical instruments and discloses a minimally invasive surgical instrument which comprises an end effector and a protective sleeve, wherein a protruding part is convexly arranged on the periphery of the end effector, the protective sleeve is sleeved on the periphery of the end effector, a clamping groove is formed in the protective sleeve, the protruding part is clamped in the clamping groove, the working end of the end effector penetrates through one end of the protective sleeve and extends out of the protective sleeve, namely, the protective sleeve is sleeved on the periphery of a non-working part of the end effector, and the working end of the end effector penetrates out of the protective sleeve. In the invention, the protective sleeve is clamped on the end effector through the clamping groove, and only the operation end of the minimally invasive surgical instrument is exposed outside, while the non-operation part is covered by the protective sleeve, so that the non-operation part is prevented from damaging non-pathological tissues of a human body, and the operation end is not influenced to finish the operation.

Description

Minimally invasive surgical instrument
Technical Field
The invention relates to the technical field of medical instruments, in particular to a minimally invasive surgical instrument.
Background
Compared with the traditional open surgery, the minimally invasive surgery has the advantages of reducing pain of patients, reducing wound infection risk, shortening postoperative recovery time, reducing scars, saving expenses and the like.
Surgical instruments for use in minimally invasive surgery generally comprise two part structures, an end effector and a drive structure. The end effector is used for conducting operations such as shearing or coagulation on pathological tissues of a human body, the driving structure is used as a power source and is in transmission connection with the end effector, the driving structure can drive the end effector to finish the operations such as shearing or treatment according to requirements, specifically, the end effector comprises an operation end and a non-operation part, the driving structure drives the non-operation part of the end effector to conduct preset actions, and therefore the operation end of the end effector is driven to finish the operations such as shearing or coagulation.
However, with the minimally invasive surgical instruments in the prior art, since the end effector is completely exposed to the outside, the non-working portion of the end effector is liable to injure non-diseased tissue of the human body when performing a predetermined operation during the operation of the minimally invasive surgical instrument.
Therefore, the above-described problems are to be solved.
Disclosure of Invention
The invention aims to provide a minimally invasive surgical instrument, which solves the problem that a non-operation part of an end effector is easy to damage non-pathological tissues of a human body when a preset action is executed in the process of performing an operation by the minimally invasive surgical instrument.
To achieve the purpose, the invention adopts the following technical scheme:
a minimally invasive surgical instrument, comprising:
the periphery of the end effector is convexly provided with a convex part; and
The protecting sleeve is sleeved on the periphery of the end effector, a clamping groove is formed in the protecting sleeve, the protruding portion is clamped in the clamping groove, and the working end of the end effector penetrates through one end of the protecting sleeve and stretches out of the protecting sleeve.
Preferably, the protecting sleeve comprises a first protecting sleeve and a second protecting sleeve, the first protecting sleeve is sleeved on the periphery of the end effector, one end of the second protecting sleeve is sleeved on the end portion of the first protecting sleeve, a first opening is formed in the other end of the second protecting sleeve, the working end penetrates through the first opening and stretches out of the second protecting sleeve, the first protecting sleeve is made of hard silica gel, the second protecting sleeve is made of soft silica gel, and the clamping groove is formed in the first protecting sleeve.
Preferably, the protecting sleeve further comprises a sleeve ring, the sleeve ring is sleeved on the periphery of the end effector, the first protecting sleeve is sleeved on the periphery of the sleeve ring, and the sleeve ring is made of metal.
Preferably, the collar is provided with a second opening, the second opening extends along the axial direction of the collar, and two ends of the second opening extend to end faces at two ends of the collar respectively.
Preferably, the first protective sleeve is injection molded on the outer periphery of the collar, and the second protective sleeve is injection molded on the outer periphery of the first protective sleeve.
Preferably, the collar abuts against a side of the protruding portion away from the working end.
Preferably, the first protective sleeve is in a truncated cone shape on one side far away from the second protective sleeve, and the diameter of one side far away from the second protective sleeve is gradually increased from the end part of the second protective sleeve to a part close to the second protective sleeve.
Preferably, the second protective sleeve comprises a first sleeve and a second sleeve, the first sleeve is sleeved on the periphery of the first protective sleeve, the first opening is formed in one end, away from the first sleeve, of the second sleeve, and the diameter of the second sleeve gradually decreases from one end, close to the first sleeve, to one end, away from the first sleeve.
Preferably, the second protective sleeve is made of transparent material.
Preferably, the protruding portion is annular, and the clamping groove extends along the circumferential direction of the protective sleeve.
The invention has the beneficial effects that: according to the invention, the protective sleeve is clamped on the end effector through the clamping groove, only the operation end of the minimally invasive surgical instrument is exposed outside, and the non-operation part is covered by the protective sleeve, so that the non-operation part is prevented from damaging non-pathological tissues of a human body, and the operation end is not influenced to finish the operation.
Drawings
FIG. 1 is a schematic view of the structure of a minimally invasive surgical instrument in an embodiment of the invention;
FIG. 2 is a schematic structural view of a protective sheath according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a protective sheath according to an embodiment of the invention along a longitudinal section thereof;
fig. 4 is a schematic structural view of a collar in an embodiment of the present invention.
In the figure:
1. an end effector; 11. a protruding portion; 12. a working end; 13. a non-working portion;
2. a protective sleeve; 21. a first protective sleeve; 211. a clamping groove; 22. a second protective sleeve; 221. a first opening; 222. a first tube sleeve; 223. a second sleeve; 23. a collar; 231. a second opening;
3. a sleeve.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
Referring to fig. 1 to 4, the present embodiment provides a minimally invasive surgical instrument, which includes a driving structure (not shown in the drawings) and an end effector 1, wherein the driving structure is in transmission connection with the end effector 1, and specifically, a transmission structure (not shown in the drawings) between the driving structure and the end effector 1 is installed in a sleeve 3. It should be understood that the specific construction of the driving structure and the transmission structure between the driving structure and the end effector 1 is the prior art, and therefore, this embodiment will not be described in detail.
In this embodiment, the outer periphery of the end effector 1 is convexly provided with a protruding portion 11, the minimally invasive surgical instrument further includes a protecting sleeve 2 in addition to the driving structure and the end effector 1, the protecting sleeve 2 is sleeved on the outer periphery of the end effector 1, a clamping groove 211 is provided in the protecting sleeve 2, the protruding portion 11 is clamped in the clamping groove 211, the working end 12 of the end effector 1 passes through one end of the protecting sleeve 2 and protrudes out of the protecting sleeve 2, that is, the protecting sleeve 2 is sleeved on the outer periphery of the non-working portion 13 of the end effector 1, and the working end 12 of the end effector 1 passes out of the protecting sleeve 2.
Based on the above, in this embodiment, the protecting sleeve 2 is clamped on the end effector 1 through the clamping groove 211, only the working end 12 of the minimally invasive surgical instrument is exposed outside, and the non-working portion 13 is covered by the protecting sleeve 2, so that the non-working portion 13 is prevented from damaging non-pathological tissues of a human body, and the working end 12 is not affected to complete the surgical operation.
It can be appreciated that, since the protective sleeve 2 is clamped on the end effector 1 through the clamping groove 211, the protective sleeve 2 can be prevented from falling off during the operation.
Preferably, the protruding portion 11 is annular, and the clamping groove 211 extends along the circumference of the protecting sleeve 2, so as to ensure that the protecting sleeve 2 is firmly clamped on the end effector 1, so as to further avoid the protecting sleeve 2 from falling off during the operation.
In addition, the protection sleeve 2 preferably includes a first protection sleeve 21 and a second protection sleeve 22, wherein the first protection sleeve 21 is sleeved on the outer periphery of the end effector 1, the clamping groove 211 is disposed in the first protection sleeve 21, one end of the second protection sleeve 22 is sleeved on the end of the first protection sleeve 21, the other end of the second protection sleeve 22 forms a first opening 221, the working end 12 passes through the first opening 221 and extends out of the second protection sleeve 22, in this embodiment, the first protection sleeve 21 is made of a hard silica gel material, the second protection sleeve 22 is made of a soft silica gel material, i.e. the hardness of the first protection sleeve 21 is higher, so as to have higher tearing resistance, so as to avoid that the non-working part 13 of the end effector 1 tears the protection sleeve 2 when performing the preset action, and the hardness of the second protection sleeve 22 is lower, i.e. the resistance of the second protection sleeve 22 to the working end 12 of the end effector 1 in the process of performing the minimally invasive surgical instrument is smaller, so as to further avoid affecting the action of the working end 12 of the end effector 1, i.e. the second protection sleeve 22 made of the soft silica gel material can further affect the working end 12 of the end effector 1 to complete the operation of the end effector.
In addition, since the first protective sleeve 21 and the second protective sleeve 22 are both made of silica gel materials, the first protective sleeve 21 and the second protective sleeve 22 have higher insulating performance, so that insulating protection is realized, and further, the end effector 1 is prevented from damaging non-pathological tissues of a human body.
It should be noted that, the second protective sheath 22 is also made of transparent material, that is, the second protective sheath 22 is made of transparent soft silica gel material, so that a medical staff can observe whether the working end 12 of the end effector 1 performs related operations according to requirements through tools such as an endoscope in the operation process.
Further, the protecting sleeve 2 further comprises a collar 23, the collar 23 is sleeved on the periphery of the end effector 1, the first protecting sleeve 21 is sleeved on the periphery of the collar 23, the collar 23 is made of metal, namely, the collar 23 is clamped between the first protecting sleeve 21 and the end effector 1, so that the tearing strength of the first protecting sleeve 21 can be improved, and further, the protecting sleeve 2 is prevented from being torn by the non-working portion 13 of the end effector 1 when the preset action is executed.
In addition, in the present embodiment, the first protective sleeve 21 is injection molded on the outer periphery of the collar 23, and the second protective sleeve 22 is injection molded on the outer periphery of the first protective sleeve 21, that is, in the protective sleeve 2 in the present embodiment, the first protective sleeve 21 is obtained by injection molding on the outer periphery of the collar 23 in the manufacturing process, and then the second protective sleeve 22 is obtained by injection molding based on the first protective sleeve 21, and the collar 23, the first protective sleeve 21 and the second protective sleeve 22 are integrated.
When the protective sleeve 2 is installed, the collar 23, the first protective sleeve 21 and the second protective sleeve 22 are manually sleeved by the working end 12 of the end effector 1, and the collar 23, the first protective sleeve 21 and the second protective sleeve 22 are integrated, so that the collar 23, the first protective sleeve 21 and the second protective sleeve 22 can be ensured to move together, and the protective sleeve 2 can be conveniently sleeved manually.
In addition, be provided with the second opening 231 on the lantern ring 23, the second opening 231 extends along the axial of lantern ring 23, and the both ends of second opening 231 extend to the terminal surface at lantern ring 23 both ends respectively to guarantee in the artifical sleeve 2's of suit process, when lantern ring 23 and first protective sheath 21 pass through the bulge 11 of end effector 1, lantern ring 23 and first protective sheath 21 can produce micro deformation. It will be appreciated that after collar 23 and first protective sheath 21 pass over projection 11 of end effector 1, deformation of collar 23 and first protective sheath 21 is restored. When the protruding part 11 is aligned with the clamping groove 211, the protruding part 11 is clamped in the clamping groove 211, so that the protecting sleeve 2 is integrally sleeved on the periphery of the end effector 1.
It will be appreciated that the first protective sheath 21 with higher hardness can provide a guiding effect for the artificial suit protective sheath 2, so as to avoid the phenomenon of flanging and the like of the first protective sheath 21, and the collar 23 can make rigid contact between the first protective sheath 21 and the end effector 1, so as to further provide a guiding effect for the artificial suit protective sheath 2, and reduce the resistance to be applied when the artificial suit protective sheath 2 is sleeved.
Because the collar 23 is made of metal, the collar 23 is easy to develop under the X-ray, so that a medical staff can conveniently find the falling protective sleeve 2 by the X-ray irradiation when the protective sleeve 2 falls off due to unexpected circumstances.
It should be noted that, in the present embodiment, the collar 23 abuts against a side of the protruding portion 11 away from the working end 12, that is, the protruding portion 11 can play a limiting role on the collar 23, so that the protection sleeve 2 can be further removed during the operation.
It will be appreciated that when it is desired to remove the protective sheath 2, the protective sheath 2 can be removed from the end effector 1 by manually pulling the protective sheath 2 and overcoming the limit of the projection 11 to the collar 23.
Further, in this embodiment, the side of the first protective sleeve 21 away from the second protective sleeve 22 is in a truncated cone shape, and the diameter of the side of the first protective sleeve 21 away from the second protective sleeve 22 gradually increases from the end of the second protective sleeve 22 to the position close to the second protective sleeve 22, so that the resistance applied to the protective sleeve 2 by the body fluid of the human body can be reduced when the medical staff pulls the minimally invasive surgical instrument to move in the human body, and further the protective sleeve 2 is prevented from falling off in the operation process.
In addition, the second protective sleeve 22 includes a first sleeve 222 and a second sleeve 223 that are integrally formed, the first sleeve 222 is sleeved on the outer periphery of the first protective sleeve 21, the first opening 221 is formed at one end of the second sleeve 223 far away from the first sleeve 222, and the diameter of the second sleeve 223 is gradually reduced from one end close to the first sleeve 222 to one end far away from the first sleeve 222, so that the resistance applied by the body fluid to the distal end of the minimally invasive surgical instrument when the minimally invasive surgical instrument moves in the human body can be reduced, and it can be understood that the distal end is the end which extends into the human body when the minimally invasive surgical instrument is used.
Moreover, based on the above, the end of the second protective sleeve 22 forming the first opening 221 is rounded, and for the end of the second sleeve 223 far away from the first sleeve 222, the inner wall and the outer wall of the second sleeve 223 are in arc transition, so that the inner wall and the outer wall of the end of the second sleeve 223 far away from the first sleeve 222 are smooth surfaces, and the smooth surfaces have no stress concentration, so that the working end 12 of the end effector 1 is prevented from damaging the protective sleeve 2 during related operation.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the invention. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.

Claims (9)

1. A minimally invasive surgical instrument, comprising:
an end effector (1) with a protruding part (11) protruding from the outer circumference; and
The protection cover (2), the cover is located the periphery of end effector (1), be provided with draw-in groove (211) in protection cover (2), bulge (11) card in draw-in groove (211), operation end (12) of end effector (1) pass one end of protection cover (2) and stretch out in protection cover (2), protection cover (2) include first protective cover (21) and second protective cover (22), first protective cover (21) cover is located the periphery of end effector (1), the one end cover of second protective cover (22) is located the tip of first protective cover (21), the other end of second protective cover (22) forms first opening (221), operation end (12) pass first opening (221) and stretch out in second protective cover (22), first protective cover (21) are the stereoplasm silica gel material, second protective cover (22) are the stereoplasm silica gel material, the one end cover (22) cover is located in first protective cover (211).
2. The minimally invasive surgical instrument according to claim 1, wherein the protective sleeve (2) further comprises a collar (23), the collar (23) is sleeved on the periphery of the end effector (1), the first protective sleeve (21) is sleeved on the periphery of the collar (23), and the collar (23) is made of metal.
3. Minimally invasive surgical instrument according to claim 2, characterized in that the collar (23) is provided with a second opening (231), the second opening (231) extending in the axial direction of the collar (23), and the two ends of the second opening (231) respectively extending onto the end faces of the two ends of the collar (23).
4. Minimally invasive surgical instrument according to claim 2, characterized in that the first protective sheath (21) is injection molded to the outer periphery of the collar (23), the second protective sheath (22) being injection molded to the outer periphery of the first protective sheath (21).
5. Minimally invasive surgical instrument according to claim 4, characterized in that the collar (23) abuts against the side of the bulge (11) remote from the working end (12).
6. Minimally invasive surgical instrument according to claim 1, characterized in that the side of the first protective sheath (21) facing away from the second protective sheath (22) is frustoconical and the diameter of the side of the first protective sheath (21) facing away from the second protective sheath (22) increases gradually from the end of the second protective sheath (22) to the point of approach of the second protective sheath (22).
7. The minimally invasive surgical instrument according to claim 1, wherein the second protective sheath (22) comprises a first sheath (222) and a second sheath (223), the first sheath (222) being sheathed on the outer periphery of the first protective sheath (21), the first opening (221) being formed at an end of the second sheath (223) remote from the first sheath (222), the diameter of the second sheath (223) gradually decreasing from an end closer to the first sheath (222) to an end farther from the first sheath (222).
8. Minimally invasive surgical instrument according to claim 1, characterized in that the second protective sheath (22) is of transparent material.
9. Minimally invasive surgical instrument according to claim 1, characterized in that the projection (11) is ring-shaped, the clamping groove (211) extending in the circumferential direction of the protective sheath (2).
CN202311768433.7A 2023-12-21 2023-12-21 Minimally invasive surgical instrument Pending CN117503219A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311768433.7A CN117503219A (en) 2023-12-21 2023-12-21 Minimally invasive surgical instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311768433.7A CN117503219A (en) 2023-12-21 2023-12-21 Minimally invasive surgical instrument

Publications (1)

Publication Number Publication Date
CN117503219A true CN117503219A (en) 2024-02-06

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ID=89761101

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311768433.7A Pending CN117503219A (en) 2023-12-21 2023-12-21 Minimally invasive surgical instrument

Country Status (1)

Country Link
CN (1) CN117503219A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117796899A (en) * 2024-02-28 2024-04-02 苏州康多机器人有限公司 Protection device of energy instrument

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117796899A (en) * 2024-02-28 2024-04-02 苏州康多机器人有限公司 Protection device of energy instrument

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