CN112809782B - Pipe fitting processing device for medical minimally invasive surgery - Google Patents

Pipe fitting processing device for medical minimally invasive surgery Download PDF

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Publication number
CN112809782B
CN112809782B CN201911124473.1A CN201911124473A CN112809782B CN 112809782 B CN112809782 B CN 112809782B CN 201911124473 A CN201911124473 A CN 201911124473A CN 112809782 B CN112809782 B CN 112809782B
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groove
positioning
outer tube
pipe
mandrel
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CN112809782A (en
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李建民
沈远
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Jiangsu Kesen Medical Devices Co ltd
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Jiangsu Kesen Medical Devices Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
    • B26D3/10—Making cuts of other than simple rectilinear form
    • B26D3/11—Making cuts of other than simple rectilinear form to obtain pieces of spiral or helical form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/01—Means for holding or positioning work
    • B26D7/02—Means for holding or positioning work with clamping means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/01—Means for holding or positioning work
    • B26D2007/013—Means for holding or positioning work the work being tubes, rods or logs
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Endoscopes (AREA)

Abstract

The invention discloses a pipe fitting processing device for medical minimally invasive surgery, which is used for processing a threaded pipe, wherein the threaded pipe comprises an outer pipe and threads positioned on the inner wall of the outer pipe; the processing device comprises a first bracket, a rotating seat arranged on the first bracket, a positioning seat used for fixing the outer tube, a motor and a cylinder, wherein a piston rod of the cylinder is connected with the positioning seat and used for driving the positioning seat to move on a track; at least one side wall of the mounting groove is provided with a first positioning block, and the pipe wall of the outer pipe is provided with a plurality of first positioning grooves for embedding the first positioning blocks; a second positioning groove is formed in the end face of the tail end of the outer tube close to the first positioning groove, and a second positioning block matched with the second positioning groove is arranged in the mounting groove. The clamping force of the clamping jaw on the outer tube is uniform and stable in the circumferential direction and cannot be clamped or cause inclined deflection of the outer tube, so that concentricity of the mandrel, the spring and the outer tube is ensured, and the machining precision is further ensured.

Description

Pipe fitting processing device for medical minimally invasive surgery
Technical Field
The invention relates to a pipe fitting machining device for medical minimally invasive surgery, and belongs to the field of internal thread machining.
Background
In minimally invasive surgery, since internal tissues are wounded, it is necessary to place medical materials for treatment at the wound site while fixing such degradable medical materials in muscle tissues using degradable nails. In the operation process, the nails need to be screwed out from an operation gun with a plurality of nails and driven into a human body, in order to ensure that the nails smoothly enter a designated position, the accuracy of a sleeve in which the nails are arranged in the operation gun is required to be very high, and because the nails and the sleeve are fixed in the sleeve in a threaded fit manner, the thread pitch inside the sleeve is required to be consistent, but because the wall of the sleeve is thinner, the internal threads with very high accuracy cannot be machined, and the operation is seriously affected, so how to develop a machining device with a high-accuracy internal thread sleeve becomes the research direction of a person in the field.
Disclosure of Invention
The invention aims to provide a pipe fitting machining device for medical minimally invasive surgery, which has the advantages that the clamping force of clamping jaws of the pipe fitting machining device for medical minimally invasive surgery on an outer pipe is uniform and stable in the circumferential direction, the clamping damage or the inclined deflection of the outer pipe cannot be caused, so that the concentricity of a mandrel, a spring and the outer pipe is ensured, and the machining precision is further ensured.
In order to achieve the above purpose, the invention adopts the following technical scheme: a pipe fitting processing device for medical minimally invasive surgery, which is used for processing a threaded pipe, wherein the threaded pipe comprises an outer pipe and threads positioned on the inner wall of the outer pipe;
the processing device comprises a first bracket, a rotating seat arranged on the first bracket, a positioning seat used for fixing the outer tube, a motor and an air cylinder, wherein an output shaft of the motor is connected with the rotating seat through a coupler and used for driving the rotating seat to rotate, the positioning seat is slidably arranged on a track, and a piston rod of the air cylinder is connected with the positioning seat and used for driving the positioning seat to move on the track;
the rotary seat is connected with a clamping jig, the clamping jig further comprises a mandrel, a first sleeve, a second sleeve and clamping jaws, the first sleeve and the second sleeve are sequentially sleeved on the clamping jaws, and one end of each clamping jaw extends out of the second sleeve;
the mandrel further comprises a clamping part and a thread part with a thread groove continuously formed, the clamping part is embedded into the clamping jaw, the thread groove of the thread part is used for embedding a spring, and the central axes of the mandrel arranged on the rotating seat and the central axes of the outer tube arranged on the positioning seat are positioned on the same straight line;
the outer tube of the thread groove is sleeved on the mandrel, the spring is connected with the inner wall of the outer tube to form threads, and one end of the outer tube is embedded into the chuck extending out of the second sleeve;
a strip-shaped groove is formed in the mandrel and located at the joint of the clamping part and the threaded part, the groove is arranged along the axial direction of the mandrel, and one end of the groove penetrates through a first threaded groove close to the clamping part;
the clamping part of the mandrel is provided with an outer flange, and the outer flange is positioned at the end part of the clamping part close to the threaded part;
the positioning seat comprises a movable plate connected with the track and a mounting plate arranged on the movable plate, and a mounting groove for embedding one end of the outer tube is formed in the mounting plate;
at least one side wall of the mounting groove is provided with a first positioning block, and the pipe wall of the outer pipe is provided with a plurality of first positioning grooves for embedding the first positioning blocks;
a second positioning groove is formed in the end face of the tail end of the outer tube close to the first positioning groove, and a second positioning block matched with the second positioning groove is arranged in the mounting groove.
The further improved scheme in the technical scheme is as follows:
1. in the above scheme, the rotating seat is mounted on the first bracket through a bearing seat.
2. In the scheme, the thread grooves are arranged at equal intervals.
3. In the scheme, the spring is connected with the inner wall of the outer tube through laser welding.
4. In the above scheme, the ratio of the depth of the groove to the diameter of the mandrel is 1: 3-6.
5. In the above scheme, the groove penetrates through the outer flange in the axial direction.
6. In the above scheme, the number of the first positioning grooves is 3.
7. In the above scheme, the second positioning groove is an arc groove.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
1. the pipe fitting processing device for the medical minimally invasive surgery, disclosed by the invention, has the advantages that the spring is connected to the inner wall of the outer pipe, the purpose of processing threads on the thin and soft pipe wall is realized, the processing is convenient, the damage to the outer pipe is avoided, the processing precision can be ensured, and the thread pitch of the internal thread or the like is ensured to have good consistency; and through motor, cylinder cooperation roating seat and positioning seat, realized the full automatization of processing basically, realized placing the spring in the outer tube is inside with the accuracy, both practiced thrift the manpower, can avoid human error and error again, guarantee the precision of processing.
2. According to the pipe fitting processing device for the medical minimally invasive surgery, the strip-shaped groove is formed in the joint of the clamping part and the threaded part on the mandrel, the groove is formed in the axial direction of the mandrel, one end of the groove penetrates through the first threaded groove close to the clamping part, and the groove is formed, and a circumferential stop surface is provided for the end face of the spring when the threaded groove is cut off, so that the position of the spring on the mandrel is completely consistent during each processing, the threads obtained through processing have good consistency, further, nails in the threaded pipe cannot fall off in advance, the nails cannot be thrown into the threads when the nails need to fall off, the precision of guiding the nails by surgical equipment is guaranteed, and the success of the surgery is guaranteed.
3. According to the pipe fitting processing device for the medical minimally invasive surgery, the outer flange is arranged on the clamping part of the mandrel, the outer flange is arranged at the end part, close to the threaded part, of the clamping part, and when the clamping jaw clamps the outer pipe, a circumferential supporting acting force in the opposite direction is provided, so that the clamping force of the clamping jaw on the outer pipe is uniform and stable in the circumferential direction and cannot clamp or cause inclination deviation of the outer pipe, the concentricity of the mandrel, the spring and the outer pipe is ensured, and the processing precision is further ensured.
4. The pipe fitting processing device for the medical minimally invasive surgery has the advantages that the end face, close to the tail end of the outer pipe, of the first positioning groove is provided with the second positioning groove, the second positioning groove matched with the second positioning groove is arranged in the mounting groove, the second positioning groove or the first positioning groove can play a role in positioning clamping of the outer pipe, the consistency of the position of the outer pipe in each processing process is guaranteed, so that the processing precision is guaranteed, and the combined arrangement of the two positioning grooves further plays a role in preventing the outer pipe from influencing the precision due to the circumferential rotation offset in the processing process, and further improves the processing precision; furthermore, through the cooperation setting of two recesses on dabber upper groove and the outer tube, guaranteed the positioning accuracy of dabber upper spring and outer tube in the course of working, especially can guarantee both in circumference precision, and then show that improved the spring and be the position accuracy in the outer tube, guaranteed the accuracy of the outer tube internal thread of processing completion and the uniformity of the screw thread of many times processing promptly.
Drawings
FIG. 1 is a schematic structural view of a pipe fitting processing device for medical minimally invasive surgery;
FIG. 2 is a schematic view of the structure of a positioning seat in the pipe fitting processing device for the medical minimally invasive surgery;
FIG. 3 is a schematic structural view of a clamping jig of the pipe fitting processing device for the medical minimally invasive surgery;
FIG. 4 is a schematic view of a part of the pipe fitting processing device for the medical minimally invasive surgery;
FIG. 5 is a partial structural cross-sectional view of a threaded tube of the tube processing device for medical minimally invasive surgery of the present invention;
FIG. 6 is a schematic structural view of a mandrel of the pipe fitting machining device for the medical minimally invasive surgery;
fig. 7 is a schematic view of a part of a structure of a threaded pipe of the pipe fitting processing device for the medical minimally invasive surgery.
In the above figures: 1. a mandrel; 101. a clamping part; 102. a thread groove; 103. a threaded portion; 105. a groove; 106. an outer flange; 2. a first sleeve; 3. a second sleeve; 4. a clamping jaw; 5. a spring; 10. a threaded tube; 11. an outer tube; 12. a first positioning groove; 13. a second positioning groove; 21. a first bracket; 22. a rotating seat; 23. a positioning seat; 24. a motor; 25. a cylinder; 26. a track; 27. A movable plate; 28. a mounting plate; 29. a mounting groove; 30. a first positioning block; 31. and a second positioning block.
Detailed Description
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. It will be understood by those of ordinary skill in the art that the terms described above are in the specific sense of the present invention.
Example 1: a pipe fitting processing device for medical minimally invasive surgery is used for processing a threaded pipe 10, wherein the threaded pipe 10 comprises an outer pipe 11 and threads positioned on the inner wall of the outer pipe 11;
the processing device comprises a first bracket 21, a rotating seat 22 arranged on the first bracket 21, a positioning seat 23 used for fixing the outer tube 11, a motor 24 and an air cylinder 25, wherein an output shaft of the motor 24 is connected with the rotating seat 22 through a coupler and used for driving the rotating seat 22 to rotate, the positioning seat 23 is slidably arranged on a track 26, and a piston rod of the air cylinder 25 is connected with the positioning seat 23 and used for driving the positioning seat 23 to move on the track 26;
the rotary seat 22 is connected with a clamping jig, the clamping jig further comprises a mandrel 1, a first sleeve 2, a second sleeve 3 and clamping jaws 4, the first sleeve 2 and the second sleeve 3 are sequentially sleeved on the clamping jaws 4, one end of the clamping jaws 4 extends out of the second sleeve 3, a clamping jaw 4 area in the first sleeve 2 is used for clamping the mandrel 1, and a clamping jaw 4 area extending out of the second sleeve 3 is used for clamping an outer tube 11 of the threaded tube 10;
the mandrel 1 further comprises a clamping part 101 and a threaded part 103 with a threaded groove 102 continuously arranged, the clamping part 101 is embedded into the clamping jaw 4, the threaded groove 102 of the threaded part 103 is used for embedding a spring 5, and the central axes of the mandrel 1 arranged on the rotating seat 22 and the outer tube 11 arranged on the positioning seat 23 are positioned on the same straight line;
the outer tube 11 of the thread groove 102 is sleeved on the mandrel 1, the spring 5 is connected with the inner wall of the outer tube 11 to form threads, and one end of the outer tube 11 is embedded into the chuck 4 extending out of the second sleeve 3;
a strip-shaped groove 105 is formed in the mandrel 1 and located at the joint of the clamping part 101 and the threaded part 103, the groove 105 is arranged along the axial direction of the mandrel 1, and one end of the groove 105 penetrates through a first threaded groove 102 close to the clamping part 101;
the clamping part 101 of the mandrel 1 is provided with an outer flange 106, and the outer flange 106 is positioned at the end part of the clamping part 101 close to the threaded part 103;
the positioning seat 23 comprises a movable plate 27 connected with the track 26 and a mounting plate 28 mounted on the movable plate 27, and a mounting groove 29 for embedding one end of the outer tube 11 is formed in the mounting plate 28;
at least one side wall of the mounting groove 29 is provided with a first positioning block 30, and the pipe wall of the outer pipe 11 is provided with a plurality of first positioning grooves 12 for embedding the first positioning block 30;
a second positioning groove 13 is formed on the end face of the outer tube 11 near the first positioning groove 12, and a second positioning block 31 matched with the second positioning groove 13 is arranged in the mounting groove 29.
The ratio of the depth of the groove 105 to the diameter of the mandrel 1 is 1:4, a step of;
the rotating seat 22 is mounted on the first bracket 21 through a bearing seat;
the thread grooves 102 are arranged at equal intervals;
the spring 5 is connected with the inner wall of the outer tube 11 by laser welding.
Example 2: a pipe fitting processing device for medical minimally invasive surgery is used for processing a threaded pipe 10, wherein the threaded pipe 10 comprises an outer pipe 11 and threads positioned on the inner wall of the outer pipe 11;
the processing device comprises a first bracket 21, a rotating seat 22 arranged on the first bracket 21, a positioning seat 23 used for fixing the outer tube 11, a motor 24 and an air cylinder 25, wherein an output shaft of the motor 24 is connected with the rotating seat 22 through a coupler and used for driving the rotating seat 22 to rotate, the positioning seat 23 is slidably arranged on a track 26, and a piston rod of the air cylinder 25 is connected with the positioning seat 23 and used for driving the positioning seat 23 to move on the track 26;
the rotary seat 22 is connected with a clamping jig, the clamping jig further comprises a mandrel 1, a first sleeve 2, a second sleeve 3 and clamping jaws 4, the first sleeve 2 and the second sleeve 3 are sequentially sleeved on the clamping jaws 4, one end of the clamping jaws 4 extends out of the second sleeve 3, a clamping jaw 4 area in the first sleeve 2 is used for clamping the mandrel 1, and a clamping jaw 4 area extending out of the second sleeve 3 is used for clamping an outer tube 11 of the threaded tube 10;
the mandrel 1 further comprises a clamping part 101 and a threaded part 103 with a threaded groove 102 continuously arranged, the clamping part 101 is embedded into the clamping jaw 4, the threaded groove 102 of the threaded part 103 is used for embedding a spring 5, and the central axes of the mandrel 1 arranged on the rotating seat 22 and the outer tube 11 arranged on the positioning seat 23 are positioned on the same straight line;
the outer tube 11 of the thread groove 102 is sleeved on the mandrel 1, the spring 5 is connected with the inner wall of the outer tube 11 to form threads, and one end of the outer tube 11 is embedded into the chuck 4 extending out of the second sleeve 3;
a strip-shaped groove 105 is formed in the mandrel 1 and located at the joint of the clamping part 101 and the threaded part 103, the groove 105 is arranged along the axial direction of the mandrel 1, and one end of the groove 105 penetrates through a first threaded groove 102 close to the clamping part 101;
the clamping part 101 of the mandrel 1 is provided with an outer flange 106, and the outer flange 106 is positioned at the end part of the clamping part 101 close to the threaded part 103;
the positioning seat 23 comprises a movable plate 27 connected with the track 26 and a mounting plate 28 mounted on the movable plate 27, and a mounting groove 29 for embedding one end of the outer tube 11 is formed in the mounting plate 28;
at least one side wall of the mounting groove 29 is provided with a first positioning block 30, and the pipe wall of the outer pipe 11 is provided with a plurality of first positioning grooves 12 for embedding the first positioning block 30;
a second positioning groove 13 is formed on the end face of the outer tube 11 near the first positioning groove 12, and a second positioning block 31 matched with the second positioning groove 13 is arranged in the mounting groove 29.
The ratio of the depth of the groove 105 to the diameter of the mandrel 1 is 1:6, preparing a base material;
the groove 105 penetrates the outer flange 106 in the axial direction;
the number of the first positioning grooves 12 is 3;
the second positioning groove 13 is an arc groove.
When the pipe fitting processing device for the medical minimally invasive surgery is adopted, the spring is connected to the inner wall of the outer pipe, so that the purpose of processing threads on the thin and soft pipe wall is realized, the processing is convenient, the damage to the outer pipe is avoided, the processing precision can be ensured, and the thread pitch of the internal thread or the like has good consistency; the motor and the air cylinder are matched with the rotating seat and the positioning seat, so that full automation of processing is basically realized, the spring is accurately placed in the outer tube, manpower is saved, human errors and errors can be avoided, and the processing precision is ensured; in addition, the grooves are formed, and the end face of the spring is provided with a stop surface in the circumferential direction when the thread groove is cut off, so that the position of the spring on the mandrel is completely consistent during each processing, the threads obtained through processing have good consistency, further, nails in the threaded pipe cannot fall off in advance, the nails cannot be thrown and clamped in the threads when the nails need to fall off, the precision of guiding the nails by surgical equipment is ensured, and the success of surgery is ensured;
in addition, the outer flange is arranged, when the clamping jaw clamps the outer tube, a circumferential supporting acting force in the opposite direction is provided, so that the clamping force of the clamping jaw to the outer tube is uniform and stable in the circumferential direction and cannot clamp or cause inclined deflection of the outer tube, the concentricity of the mandrel, the spring and the outer tube is ensured, and the machining precision is further ensured; in addition, the setting of its second constant head tank or the setting of first constant head tank can play the positioning action to the clamping of outer tube, guarantee the uniformity of outer tube position in the course of working at every turn, thereby guarantee the precision of processing, and the combination setting of two constant head tanks has further played and has been prevented the outer tube and produced the ascending rotation skew of circumference and influence the condition of precision in the course of working, further improved the precision of processing, further, through the cooperation setting of two recesses on dabber upper groove and the outer tube, the positioning accuracy of dabber upper spring and outer tube in the course of working has been guaranteed, especially, can guarantee the both in circumference precision, and then be showing the position accuracy that has improved the spring in the outer tube, the precision of the outer tube internal thread of having guaranteed the processing completion and the uniformity of the screw thread of processing many times promptly.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.

Claims (8)

1. A medical treatment is pipe fitting processingequipment for minimal access surgery, its characterized in that: for the processing of a threaded pipe (10), the threaded pipe (10) comprising an outer pipe (11) and threads on the inner wall of the outer pipe (11);
the processing device comprises a first bracket (21), a rotating seat (22) arranged on the first bracket (21), a positioning seat (23) for fixing the outer tube (11), a motor (24) and an air cylinder (25), wherein an output shaft of the motor (24) is connected with the rotating seat (22) through a coupler and is used for driving the rotating seat (22) to rotate, the positioning seat (23) is slidably arranged on a track (26), and a piston rod of the air cylinder (25) is connected with the positioning seat (23) and is used for driving the positioning seat (23) to move on the track (26);
the clamping fixture is connected to the rotating seat (22), and further comprises a mandrel (1), a first sleeve (2), a second sleeve (3) and clamping jaws (4), wherein the first sleeve (2) and the second sleeve (3) are sequentially sleeved on the clamping jaws (4), and one end of the clamping jaws (4) extends out of the second sleeve (3);
the mandrel (1) further comprises a clamping part (101) and a threaded part (103) with a threaded groove (102) continuously arranged, the clamping part (101) is embedded into the clamping jaw (4), the threaded groove (102) of the threaded part (103) is used for embedding a spring (5), and the central axes of the mandrel (1) arranged on the rotating seat (22) and the central axes of the outer tube (11) arranged on the positioning seat (23) are positioned on the same straight line;
the outer tube (11) of the thread groove (102) is sleeved on the mandrel (1), the spring (5) is connected with the inner wall of the outer tube (11) to form threads, and one end of the outer tube (11) is embedded into the clamping jaw (4) extending out of the second sleeve (3);
a strip-shaped groove (105) is formed in the mandrel (1) and is positioned at the joint of the clamping part (101) and the threaded part (103), the groove (105) is arranged along the axial direction of the mandrel (1), and one end of the groove (105) penetrates through a first threaded groove (102) close to the clamping part (101);
an outer flange (106) is arranged on the clamping part (101) of the mandrel (1), and the outer flange (106) is positioned at the end part, close to the threaded part (103), of the clamping part (101);
the positioning seat (23) comprises a movable plate (27) connected with the track (26) and a mounting plate (28) mounted on the movable plate (27), and a mounting groove (29) for embedding one end of the outer tube (11) is formed in the mounting plate (28);
at least one side wall of the mounting groove (29) is provided with a first positioning block (30), and the pipe wall of the outer pipe (11) is provided with a plurality of first positioning grooves (12) for embedding the first positioning block (30);
a second positioning groove (13) is formed in the end face of the tail end of the outer tube (11) close to the first positioning groove (12), and a second positioning block (31) matched with the second positioning groove (13) is arranged in the mounting groove (29).
2. The medical minimally invasive surgical tube processing apparatus of claim 1, wherein: the rotating seat (22) is arranged on the first bracket (21) through a bearing seat.
3. The medical minimally invasive surgical tube processing apparatus of claim 1, wherein: the thread grooves (102) are arranged at equal intervals.
4. The medical minimally invasive surgical tube processing apparatus of claim 1, wherein: the spring (5) is connected with the inner wall of the outer tube (11) through laser welding.
5. The medical minimally invasive surgical tube processing apparatus of claim 1, wherein: the ratio of the depth of the groove (105) to the diameter of the mandrel (1) is 1: 3-6.
6. The medical minimally invasive surgical tube processing apparatus of claim 1, wherein: the groove (105) penetrates the outer flange (106) in the axial direction.
7. The medical minimally invasive surgical tube processing apparatus of claim 1, wherein: the number of the first positioning grooves (12) is 3.
8. The medical minimally invasive surgical tube processing apparatus of claim 1, wherein: the second positioning groove (13) is an arc-shaped groove.
CN201911124473.1A 2019-11-18 2019-11-18 Pipe fitting processing device for medical minimally invasive surgery Active CN112809782B (en)

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Application Number Priority Date Filing Date Title
CN201911124473.1A CN112809782B (en) 2019-11-18 2019-11-18 Pipe fitting processing device for medical minimally invasive surgery

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Application Number Priority Date Filing Date Title
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CN112809782B true CN112809782B (en) 2023-07-11

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205019200U (en) * 2015-07-27 2016-02-10 上海纽脉医疗科技有限公司 Artificial heart valve conveyor's outer tube moving mechanism
CN105382089A (en) * 2015-11-27 2016-03-09 无锡工源机械有限公司 Copper pipe clamp for copper pipe punching device
CN205184448U (en) * 2015-12-16 2016-04-27 萍乡市伟达工业有限公司 Circumferential weld burnishing machine
CN108162374A (en) * 2016-06-02 2018-06-15 昆山科森科技股份有限公司 The processing jig of minimally invasive medical conduit
CN109431572A (en) * 2018-11-20 2019-03-08 宁波华科润生物科技有限公司 A kind of medical deflectable bistrique

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205019200U (en) * 2015-07-27 2016-02-10 上海纽脉医疗科技有限公司 Artificial heart valve conveyor's outer tube moving mechanism
CN105382089A (en) * 2015-11-27 2016-03-09 无锡工源机械有限公司 Copper pipe clamp for copper pipe punching device
CN205184448U (en) * 2015-12-16 2016-04-27 萍乡市伟达工业有限公司 Circumferential weld burnishing machine
CN108162374A (en) * 2016-06-02 2018-06-15 昆山科森科技股份有限公司 The processing jig of minimally invasive medical conduit
CN109431572A (en) * 2018-11-20 2019-03-08 宁波华科润生物科技有限公司 A kind of medical deflectable bistrique

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