CN113349904B

CN113349904B - Fixing device for pneumothorax and lung puncture needle

Info

Publication number: CN113349904B
Application number: CN202110801556.0A
Authority: CN
Inventors: 蔡华荣; 张海梅; 徐建; 张曦
Original assignee: Chongqing University Cancer Hospital
Current assignee: Chongqing University Cancer Hospital
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2022-11-22
Anticipated expiration: 2041-07-15
Also published as: CN113349904A

Abstract

The invention relates to the field of medical instruments and discloses a thoracic and pulmonary puncture needle fixing device which comprises a first medical silica gel film, a second medical silica gel film, a medical silica gel connecting soft belt, a first perforation, a fixing tube, a connecting rod, a sliding rod, a first annular chute, a sliding plate, an annular perforation, a threaded rod, a nut, a notch, an extension plate, a first fixing plate, an adhesive layer, a straight chute and a sliding block. The invention has simple structure and convenient operation, can insert the needle vertically and can incline the needle insertion, and is convenient for adjusting the needle insertion angle and the needle insertion direction; meanwhile, the sterilization can be realized, and the requirements of aseptic operation of the operation are met; the invention has good fixing effect on the puncture needle, is not easy to shake or withdraw the puncture needle even if the puncture needle is pulled or shaken by larger external force, is convenient to fix, and the structure of the arranged indicating plate part is convenient for an operator to quickly and accurately adjust the inclination angle of the puncture needle, thereby reducing the artificial judgment error.

Description

Fixing device for pneumothorax and lung puncture needle

Technical Field

The invention relates to the field of medical instruments, in particular to a pneumothorax puncture needle fixing device.

Background

The lung puncture is an operation of puncturing the lung through skin, intercostal tissues and parietal pleura by using a sterile puncture needle, and is a common diagnosis and treatment method. A relatively common approach is to take a biopsy or treatment of a lesion in the lung by percutaneous lung puncture under CT scan guidance. When the lung puncture is clinically carried out, the sterility of a puncture needle needs to be ensured, and due to the shielding of a bony structure of a body, the needle can not be inserted vertically in many times, but a certain angle is formed. In the operation, an operator needs to leave the operating table for many times, the puncture needle cannot be fixed continuously, the tail end of the puncture needle can shake to cause the puncture direction to change, repeated CT scanning is needed to adjust the angle, the ray exposure and puncture injury of a patient are increased, and the operation difficulty of a doctor is increased. Therefore, a device is needed which can display the needle inserting angle during needle inserting, fix the puncture needle and keep the puncture needle stable during the puncture process. Although the prior art has a relatively good fixing device, the prior fixing device can not or is inconvenient to adjust the needle inserting angle of the puncture needle and is also inconvenient for fixing operation after puncture. Therefore, the inventor invents a thoracic and pulmonary puncture needle fixing device capable of displaying the needle inserting angle.

Disclosure of Invention

Based on the problems, the invention provides a fixing device for a pneumothorax puncture needle, which has a simple structure, can insert the needle vertically and obliquely, is convenient to adjust the needle inserting angle and the needle inserting direction, can sterilize, meets the requirement of sterile operation of an operation, is convenient to fix the puncture needle, and has a good fixing effect.

In order to solve the technical problems, the invention provides a fixing device for a pneumothorax and lung puncture needle, which comprises a first medical silica gel film and a second medical silica gel film, wherein a first medical silica gel connecting soft belt is arranged between the first medical silica gel film and the second medical silica gel film, and the first medical silica gel film is detachably connected with the second medical silica gel film; the medical silica gel film I is provided with a first perforation which penetrates through the medical silica gel film I in the thickness direction, a fixed pipe is arranged in the first perforation, one end of the fixed pipe is positioned in the first perforation, one end of the fixed pipe, which is far away from the first perforation, penetrates out of the first perforation, two connecting rods which are symmetrically arranged and vertical to the fixed pipe are arranged on the outer side wall of the part, which is positioned in the first perforation, of the fixed pipe, a sliding rod is arranged at one end, which is far away from the fixed pipe, of the connecting rod, the central axis of the connecting rod is overlapped with the central axis of the sliding rod, and the connecting rod can rotate relative to the sliding rod; the inner wall of the first perforation is provided with an annular chute arranged around the circle center of the first perforation, one end of the sliding rod, which is far away from the connecting rod, is provided with a sliding plate positioned in the annular chute, the top wall of the annular chute is provided with an annular perforation which penetrates through the top of the first medical silica gel film and is arranged around the circle center of the first perforation, the top of any one sliding plate is provided with a threaded rod which penetrates through the annular perforation, and the outer side wall of the part of the threaded rod, which penetrates through the annular perforation, is sleeved with a nut screwed with the threaded rod; the top of the lateral wall of fixed pipe is equipped with the scarce groove that two symmetries set up, the both sides of lacking one side at the center that fixed pipe was kept away from in the groove all are equipped with the extension plate that links to each other with the lateral wall of fixed pipe, four the extension plate is located same horizontal plane, lack the inslot and be equipped with fixed plate one, the fixed plate is equipped with the viscose layer to the one side at the center of fixed pipe, the both sides inner wall that lacks the groove all is equipped with the straight spout that sets up and pass the extension plate of corresponding side along the length direction of extension plate, the both ends of fixed plate one all are equipped with the slider that is located two straight spouts respectively.

Furthermore, one end, far away from the medical silica gel connection soft belt, of one surface of the first medical silica gel film is provided with a first steel bar, and one surface, far away from the medical silica gel connection soft belt, of the first steel bar is provided with a plurality of thread grooves which are equidistantly arranged along the length direction of the first steel bar; one side that medical silica gel soft piece two kept away from the one end that medical silica gel connected soft area is equipped with billet two, billet two is equipped with the screw hole that passes billet two and the thickness direction of medical silica gel soft piece two in proper order, the screw hole is equipped with the screw that passes screw hole and insert thread inslot.

Furthermore, one end of the connecting rod, which is far away from the fixed tube, is inserted into one end of the sliding rod, which faces the fixed tube, and a limiting block, the cross-sectional area of which is larger than that of the connecting rod, is arranged at one end of the connecting rod, which is inserted into the sliding rod, and both the limiting block and the connecting rod can rotate in the sliding rod; the slide bar is equipped with the connecting ring piece that the axis that encircles the slide bar set up towards the one side of fixed pipe, the connecting rod part between slide bar and the fixed pipe is equipped with the cover and locates the periphery of connecting rod and the fixed ring piece that connects soon with the connecting rod screw thread, the fixed ring piece is equipped with the ring channel that supplies connecting ring piece screw in towards the one side of slide bar, the inner wall screw thread of connecting ring piece and ring channel connects soon.

Furthermore, a ring horizontally arranged is arranged on one surface of the fixing plate, which deviates from the adhesive layer.

Further, the top of the lateral wall of fixed pipe still is equipped with the recess that two symmetries set up, the bottom of recess is equipped with the perforation two towards one side at the center of fixed pipe, perforation two is linked together with recess and fixed intraductal all, be equipped with the fixed plate two that passes perforation two in the perforation two, the top that the one end that the fixed plate is two in the recess is equipped with the carriage release lever of wearing out the top surface of recess, the one side inner wall at the center that fixed pipe was kept away from to the recess is equipped with and supplies carriage release lever male breach, the carriage release lever is equipped with the card protruding towards the one side at the center of fixed pipe, the recess is equipped with the draw-in groove with the protruding block of card towards the protruding inner wall of card.

Further, the one end that the slide bar is close to the fixed ring piece is equipped with the steering wheel that encircles the slide bar setting, the steering wheel is equipped with the thickness direction that passes the steering wheel and wears the mouth for curved arc, the arc center that the mouth was worn to the arc coincides with the axis of slide bar, the fixed ring piece is equipped with the guide bar that passes the mouth towards the one side of slide bar, the bottom that the guide bar passed the part that the mouth was worn to the arc is equipped with vertical setting and is transparent material's indicator plate, the edge that the one side that the mouth was worn to the arc deviates from the fixed ring piece is close to the slide bar is equipped with the scale mark.

Compared with the prior art, the invention has the beneficial effects that: the invention has simple structure and convenient operation, can insert the needle vertically and can incline the needle insertion, and is convenient for adjusting the needle insertion angle and the needle insertion direction; meanwhile, the sterilization can be realized, and the requirement of sterile operation in the operation can be met; the invention has good fixing effect on the puncture needle, is not easy to shake or withdraw the puncture needle even if the puncture needle is pulled or shaken by larger external force, and is convenient to fix; the structure of the arranged indicating plate part is convenient for an operator to quickly and accurately adjust the inclination angle of the puncture needle, and reduces the artificial judgment error.

Drawings

FIG. 1 is a top view of the present invention;

FIG. 2 is a bottom view of a second section of the bar of the present invention;

FIG. 3 is a top view of the outer structure at the stationary tube of the present invention;

FIG. 4 is a top view of the internal structure at the stationary tube of the present invention;

FIG. 5 is an internal structure of a top view of the stationary ring block of the present invention rotated away from the connecting ring block;

FIG. 6 is an internal structure of the present invention in plan view at a straight chute;

FIG. 7 is a schematic view of the structure of the invention at the location of the card protrusions and card slots;

FIG. 8 is a schematic view of the structure of the indicator panel of the present invention;

in the figure: 1. a first medical silica gel film; 2. a second medical silica gel film; 3. the medical silica gel is connected with the soft belt; 4. punching a first hole; 5. a fixed tube; 6. a connecting rod; 7. a slide bar; 8. an annular chute; 9. a slide plate; 10. annular perforation; 11. a threaded rod; 12. a nut; 13. notching; 14. an extension plate; 15. a first fixing plate; 16. an adhesive layer; 17. a straight chute; 18. a slider; 19. a first steel bar; 20. a thread groove; 21. a second steel bar; 22. a threaded hole; 23. a screw; 24. a limiting block; 25. connecting the ring blocks; 26. a fixed ring block; 27. an annular groove; 28. a circular ring; 29. a groove; 30. punching a second hole; 31. a second fixing plate; 32. a travel bar; 33. a notch; 34. clamping and protruding; 35. a card slot; 36. a steering wheel; 37. an arc-shaped through hole; 38. a guide bar; 39. an indicator panel; 40. scale lines are marked.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.

Example (b):

referring to the attached drawings 1-8, a thoracic and pulmonary puncture needle fixing device comprises a first medical silica gel film 1 and a second medical silica gel film 2, a medical silica gel connecting soft belt 3 is arranged between the first medical silica gel film 1 and the second medical silica gel film 2, the first medical silica gel film 1 and the second medical silica gel film 2 are detachably connected, the medical silica gel connecting soft belt 3, the first medical silica gel film 1 and the second medical silica gel film 2 are integrally manufactured, and the medical silica gel connecting soft belt 3, the first medical silica gel film 1 and the second medical silica gel film 2 can be sterilized by a high-temperature high-pressure sterilization method before use.

The one end that soft area 3 was connected to medical silica gel is kept away from in the one side of medical silica gel film 1 of this embodiment is equipped with billet 19, and the length direction that soft area 3 was connected with medical silica gel is perpendicular to the length direction of billet 19, and billet 19 bonds with medical silica gel film 1, and the one side that billet 19 deviates from medical silica gel film 1 is equipped with a plurality of thread grooves 20 that set up along the length direction equidistance of billet 19. One side of the end, far away from the soft belt 3, of the medical silica gel connection is provided with a second steel bar 21 of the second medical silica gel film 2, the length direction of the second steel bar 21 is perpendicular to the length direction of the soft belt 3 connected with the medical silica gel, the second steel bar 21 is provided with a threaded hole 22 which penetrates through the second steel bar 21 and the second medical silica gel film 2 in sequence in the thickness direction, and the threaded hole 22 is provided with a screw 23 which penetrates through the threaded hole 22 and is inserted into the threaded groove 20. When the medical silica gel connection soft belt is used, after the medical silica gel connection soft belt 3 bypasses the body of a patient, one end of the medical silica gel soft sheet 1, which is provided with the first steel bar 19, is positioned at the bottom of one end of the medical silica gel soft sheet 2, which is provided with the second steel bar 21, and then the screw 23 is sequentially screwed into the threaded hole 22 and the threaded groove 20.

Medical silica gel film 1 is equipped with the perforation 4 that passes the thickness direction of medical silica gel film 1, be equipped with fixed pipe 5 in the perforation 4, the one end of fixed pipe 5 is located perforation 4, fixed pipe 5 deviates from the one end of perforation 4 and wears out perforation 4, leave the clearance between the lateral wall of the part that fixed pipe 5 is located perforation 4 and the inner wall of perforation 4, the lateral wall of the part that fixed pipe 5 is located perforation 4 is equipped with two symmetries and sets up and with fixed 5 vertically connecting rods 6 of pipe, the central symmetry setting of two relative fixed pipes 5 of connecting rod 6, connecting rod 6 and the welding of fixed pipe 5. One end of the connecting rod 6 departing from the fixed pipe 5 is provided with a sliding rod 7, the central axis of the connecting rod 6 coincides with the central axis of the sliding rod 7, and the connecting rod 6 can rotate relative to the sliding rod 7.

The one end that connecting rod 6 of this embodiment deviates from fixed pipe 5 inserts slide bar 7 towards fixed pipe 5 in the one end, and the one end that connecting rod 6 inserted in slide bar 7 is equipped with the stopper 24 that cross sectional area is greater than the cross sectional area of connecting rod 6, and stopper 24 and connecting rod 6 all can be in slide bar 7 internal rotation, stopper 24 and the preparation of connecting rod 6 for the integration. The one side that slide bar 7 faced fixed pipe 5 is equipped with the connecting ring piece 25 that encircles the axis setting of slide bar 7, connecting ring piece 25 and slide bar 7 make for the integration, connecting rod 6 part between slide bar 7 and the fixed pipe 5 is equipped with the cover and locates the periphery of connecting rod 6 and with the fixed ring piece 26 of connecting rod 6 screw thread soon, the one side that fixed ring piece 26 faced slide bar 7 is equipped with the ring channel 27 that supplies connecting ring piece 25 screw in, connecting ring piece 25 and the inner wall screw thread of ring channel 27 revolve the joint. The connecting rod 6 and the sliding rod 7 of the present embodiment are configured to allow the fixing tube 5 to rotate around the extension line of the central axis of the sliding rod 7, so as to adjust the inclination angle of the fixing tube 5, thereby achieving the inclined needle insertion or the vertical needle insertion of the puncture needle. After the puncture is completed and the puncture needle needs to be fixed, the fixing ring block 26 can be screwed to the connecting ring block 25, so that the connecting ring block 25 is slowly screwed into the annular groove 27, the connecting rod 6 is further fixed, the connecting rod 6 is prevented from rotating, and when the connecting rod 6 needs to be rotated, the fixing ring block 26 is screwed off the connecting ring block 25.

The inner wall of a perforation 4 is equipped with the annular spout 8 that sets up around the centre of a circle of a perforation 4, the one end that slide bar 7 deviates from connecting rod 6 is equipped with the slide 9 that is located annular spout 8, slide 9 and slide bar 7 preparation as an organic whole, slide 9 can slide in annular spout 8, the purpose of fixed pipe 5 is realized rotating in this embodiment through slide 9 slides in annular spout 8, reach the purpose of 360 angle regulation of puncture point and direction. The roof of annular chute 8 is equipped with the annular perforation 10 that passes the top of medical silica gel film 1 and encircle the centre of a circle setting of perforation 4, the top of arbitrary slide 9 is equipped with the threaded rod 11 that passes annular perforation 10, threaded rod 11 and slide 9 welding, the lateral wall cover that the threaded rod 11 wore out the part of annular perforation 10 is equipped with the nut 12 that connects soon with threaded rod 11 screw thread, when needs fix the pjncture needle, towards medical silica gel film 1 rotating nut 12, until nut 12 supports the top surface at medical silica gel film 1, slide 9 can not slide in annular chute 8 this moment.

The top of the lateral wall of fixed pipe 5 is equipped with two the scarce groove 13 that the symmetry set up, and two lack the axis symmetry of groove 13 relatively fixed pipe 5, lack the both sides of one side at the center that groove 13 kept away from fixed pipe 5 and all be equipped with the extension plate 14 that links to each other with the lateral wall of fixed pipe 5, and four extension plates 14 are located same horizontal plane, and extension plate 14 welds with fixed pipe 5. Be equipped with fixed plate 15 in scarce groove 13, fixed plate 15 is equipped with viscose layer 16 towards the one side at fixed pipe 5's center, and the both sides inner wall of scarce groove 13 all is equipped with along extension plate 14's length direction setting and passes the straight spout 17 of the extension plate 14 of corresponding side, and the both ends of fixed plate 15 all are equipped with the slider 18 that is located two straight spouts 17 respectively, and slider 18 and fixed plate 15 are the integrated preparation. Slide in straight spout 17 through slider 18, can remove a fixed plate 15 towards the direction that is close to the center of fixed pipe 5, also can remove a fixed plate 15 towards the direction of keeping away from the center of fixed pipe 5, until with slider 18 roll-off extension plate 14, thereby take out a fixed plate 15, a fixed plate 15 of this embodiment is equipped with viscose layer 16, accessible viscose layer 16 bonds a fixed plate 15 with the pjncture needle, thereby fix the pjncture needle, after the completion was once stabbed the operation, when needing to use this device again next time, it can to change a fixed plate 15. The one side of the fixed plate 15 of this embodiment that deviates from the viscose layer 16 is equipped with the ring 28 of level setting, and the operator can pass the metal pole through the ring 28, slides out the fixed plate 15 from scarce groove 13 through operating the metal pole, is convenient for remove and change fixed plate 15.

The top of the lateral wall of the fixed pipe 5 of this embodiment is further provided with two symmetrically-arranged grooves 29, the two grooves 29 are symmetrical with respect to the center of the fixed pipe 5, one side of the bottom end of each groove 29, which faces the center of the fixed pipe 5, is provided with a second through hole 30, the second through hole 30 is communicated with the grooves 29 and the fixed pipe 5, a second fixed plate 31 passing through the second through hole 30 is arranged in the second through hole 30, the top of one end, located in the groove 29, of the second fixed plate 31 is provided with a moving rod 32 penetrating through the top surface of the groove 29, the moving rod 32 is welded with the second fixed plate 31, and the second fixed plate 31 can slide out of the second through hole 30 or slide into the second through hole 30 and the grooves 29 by moving the moving rod 32. The inner wall of the groove 29 on the side away from the center of the fixed tube 5 is provided with a notch 33 for inserting the moving rod 32, when the puncture needle is not needed to be fixed, the moving rod 32 is moved towards the side away from the center of the fixed tube 5, the second fixed plate 31 slides into the second through hole 30 and the groove 29, and the moving rod 32 is clamped into the notch 33. One surface of the moving rod 32 facing the center of the fixed tube 5 is provided with a clamping protrusion 34, the inner wall of the groove 29 facing the clamping protrusion 34 is provided with a clamping groove 35 clamped with the clamping protrusion 34, the clamping protrusion 34 is welded with the moving rod 32, when the puncture needle needs to be fixed, the moving rod 32 is moved towards the center of the fixed tube 5, the second fixed plate 31 slides into the fixed tube 5, and when the second fixed plate 31 abuts against the puncture needle, the clamping protrusion 34 is just clamped with the clamping groove 35. The second fixing plate 31 provided in this embodiment can further fix the puncture needle, so that the stability of fixing the puncture needle is improved, and the puncture needle cannot be shaken even if the patient has a large motion or a large drag caused by external interference.

One end of the sliding rod 7 close to the fixed ring block 26 of the embodiment is provided with a steering wheel 36 arranged around the sliding rod 7, the steering wheel 36 is welded with the sliding rod 7, the steering wheel 36 is provided with an arc penetrating opening 37 which penetrates through the thickness direction of the steering wheel 36 and is arc-shaped, the radian of the arc penetrating opening 37 is larger than 180 degrees, the arc length of the arc penetrating opening 37 spans the top part of the steering wheel 36, and the arc center of the arc penetrating opening 37 is overlapped with the central axis of the sliding rod 7. The fixed ring block 26 is equipped with the guide bar 38 that passes arc wearing hole 37 towards the one side of slide bar 7, and guide bar 38 and fixed ring block 26 welding, the bottom that the guide bar 38 passed the part that arc wearing hole 37 was equipped with vertical setting and is transparent material's indicator plate 39, and the one side that arc wearing hole 37 deviates from fixed ring block 26 is equipped with scale mark 40, and the edge that arc wearing hole 37 is close to slide bar 7 is located to scale mark 40. The indicator plate 39 covers the scale lines 40 of the position where the indicator plate 39 is located, when the connecting ring block 25 is screwed out of the annular groove 27, the indicator plate 39 is just at the vertical position, the fixing tube 5 is also just at the vertical position at the moment, when an operator needs to adjust the inclination angle of the puncture needle, after the inclination angle is determined, the indicator plate 39 is rotated to the corresponding scale lines 40, the fixing tube 5 is also rotated to the required inclination angle at the moment, therefore, the purpose of the structure of the indicator plate 39 portion is to facilitate the operator to quickly and accurately adjust the inclination angle of the puncture needle, and human errors are reduced.

In this embodiment, except for the first medical silica gel sheet 1, the second medical silica gel sheet 2 and the medical silica gel connection soft belt 3, other structures are made of stainless steel.

The use principle of the invention is as follows: before use, the device is sterilized by a high-temperature and high-pressure sterilization mode (the first fixing plate 15 is not included), the first fixing plate 15 is sterilized by a manufacturer, and the first fixing plate is singly packaged after being pasted with an adhesive layer 16; when the medical device is used, the packaged first fixing plate 15 is taken out of the packaging bag, the first fixing plate 15 is installed on the device by sliding the sliding block 18 into the straight sliding groove 17, after the puncture point of the thoracic cavity is determined, the medical silica gel connecting soft belt 3 is wound around the body of a patient, the first medical silica gel sheet 1 is located at the puncture point, the puncture point is located in the first through hole 4, then one end, provided with the first steel bar 19, of the first medical silica gel sheet 1 is located at the bottom of one end, provided with the second steel bar 21, of the second medical silica gel sheet 2, the screw 23 is sequentially screwed into the threaded hole 22 and the threaded groove 20, at the moment, the part, penetrating out of the first through hole 4, of the fixing tube 5 is located above the first medical silica gel sheet 1, and the device is fixed; then the puncture needle is inserted into the fixed tube 5, if the needle inserting direction of the puncture needle needs to be adjusted, the nut 12 is screwed off the medical silica gel film I1, the slide rod 7 is rotated in the perforation I4, after the needle inserting direction is adjusted, the nut 12 is screwed to the medical silica gel film I1, and the nut 12 is abutted against the top of the medical silica gel film I1; when the inclination angle of the needle insertion needs to be adjusted, the fixed ring block 26 is screwed away from the connecting ring block 25, the fixed tube 5 is rotated around the extension line direction of the central axis of the sliding rod 7, after the inclination angle is adjusted, the fixed ring block 26 is screwed towards the connecting ring block 25, so that the connecting ring block 25 is slowly screwed into the annular groove 27, the connecting rod 6 is further fixed, and the connecting rod 6 is prevented from rotating; after the puncture is finished, when the puncture needle needs to be completely fixed, the metal rod capable of penetrating through the circular ring 28 penetrates through the circular ring 28, the first fixing plate 15 moves towards the direction of the puncture needle in the fixing tube 5 until the first fixing plate 15 is abutted against the puncture needle, and then the second fixing plate 31 moves towards the puncture needle through the moving rod 32, so that the second fixing plate 31 abuts against the puncture needle, and the second fixing plate 31 is fixed; when the puncture needle needs to be pulled out, the first fixing plate 15 and the second fixing plate 31 are moved away from the puncture needle, the puncture needle is pulled out, and the device is taken down from the patient.

The above is the embodiment of the present invention. The embodiments and specific parameters in the embodiments are only for the purpose of clearly illustrating the verification process of the invention and are not intended to limit the scope of the invention, which is defined by the claims, and all equivalent structural changes made by using the contents of the specification and the drawings of the present invention should be covered by the scope of the present invention.

Claims

1. A thoracic and pulmonary puncture needle fixing device is characterized by comprising a first medical silica gel film (1) and a second medical silica gel film (2), wherein a medical silica gel connecting soft belt (3) is arranged between the first medical silica gel film (1) and the second medical silica gel film (2), and the first medical silica gel film (1) and the second medical silica gel film (2) are detachably connected; the medical silica gel film (1) is provided with a perforation (4) penetrating through the medical silica gel film (1) in the thickness direction, a fixed pipe (5) is arranged in the perforation (4), one end of the fixed pipe (5) is located in the perforation (4), one end, deviating from the perforation (4), of the fixed pipe (5) penetrates out the perforation (4), two connecting rods (6) which are symmetrically arranged and perpendicular to the fixed pipe (5) are arranged on the outer side wall of the part, located in the perforation (4), of the fixed pipe (5), a sliding rod (7) is arranged at one end, deviating from the fixed pipe (5), of the connecting rod (6), the central axis of the connecting rod (6) coincides with the central axis of the sliding rod (7), and the connecting rod (6) can rotate relative to the sliding rod (7); an annular sliding groove (8) arranged around the circle center of the first punched hole (4) is formed in the inner wall of the first punched hole (4), a sliding plate (9) located in the annular sliding groove (8) is arranged at one end, away from the connecting rod (6), of the sliding rod (7), an annular through hole (10) penetrating through the top of the first medical silica gel film (1) and arranged around the circle center of the first punched hole (4) is formed in the top wall of the annular sliding groove (8), a threaded rod (11) penetrating through the annular through hole (10) is arranged at the top of any one of the sliding plates (9), and a nut (12) in threaded connection with the threaded rod (11) is sleeved on the outer side wall of the part, penetrating through the annular through hole (10), of the threaded rod (11); the top of the side wall of the fixed pipe (5) is provided with two symmetrically-arranged notch grooves (13), two sides of one side, away from the center of the fixed pipe (5), of each notch groove (13) are provided with extension plates (14) connected with the outer side wall of the fixed pipe (5), the four extension plates (14) are located on the same horizontal plane, a first fixed plate (15) is arranged in each notch groove (13), one surface, facing the center of the fixed pipe (5), of each first fixed plate (15) is provided with an adhesive layer (16), inner walls of two sides of each notch groove (13) are provided with straight sliding grooves (17) which are arranged along the length direction of each extension plate (14) and penetrate through the extension plates (14) on the corresponding side, and two ends of each first fixed plate (15) are provided with sliding blocks (18) respectively located in the two straight sliding grooves (17); one end of the connecting rod (6) departing from the fixed pipe (5) is inserted into one end of the sliding rod (7) facing the fixed pipe (5), a limiting block (24) with the cross section area larger than that of the connecting rod (6) is arranged at one end of the connecting rod (6) inserted into the sliding rod (7), and the limiting block (24) and the connecting rod (6) can rotate in the sliding rod (7); slide bar (7) are equipped with connecting ring piece (25) that the axis that encircles slide bar (7) set up towards the one side of fixed pipe (5), connecting rod (6) part between slide bar (7) and fixed pipe (5) is equipped with the periphery that the cover was located connecting rod (6) and revolves fixed ring piece (26) that connect with connecting rod (6) screw thread, fixed ring piece (26) are equipped with ring channel (27) that supply connecting ring piece (25) screw in towards the one side of slide bar (7), connecting ring piece (25) revolve with the inner wall screw thread of ring channel (27) and connect.

2. The thoracic and pulmonary puncture needle fixing device according to claim 1, wherein a first steel bar (19) is arranged at one end of one side of the first medical silica gel sheet (1) far away from the first medical silica gel connection soft belt (3), and a plurality of thread grooves (20) are formed in the side of the first steel bar (19) far away from the first medical silica gel sheet (1) at equal intervals along the length direction of the first steel bar (19); one side of the one end of medical silica gel connection soft area (3) is kept away from in medical silica gel film two (2) is equipped with billet two (21), billet two (21) are equipped with screw hole (22) that pass billet two (21) and the thickness direction of medical silica gel film two (2) in proper order, screw hole (22) are equipped with screw (23) that pass screw hole (22) and insert in thread groove (20).

3. A pneumothorax puncture needle fixing device according to claim 1, wherein the side of the first fixing plate (15) facing away from the adhesive layer (16) is provided with a horizontally arranged ring (28).

4. The thoracic and pulmonary puncture needle fixing device according to claim 1, wherein two symmetrically arranged grooves (29) are further formed in the top of the side wall of the fixing tube (5), a second through hole (30) is formed in one side, facing the center of the fixing tube (5), of the bottom end of the groove (29), the second through hole (30) is communicated with the grooves (29) and the fixing tube (5), a second fixing plate (31) penetrating the second through hole (30) is arranged in the second through hole (30), a moving rod (32) penetrating the top surface of the groove (29) is arranged at the top of one end, located in the groove (29), of the second fixing plate (31), a notch (33) for inserting the moving rod (32) is formed in the inner wall of one side, far away from the center of the fixing tube (5), of the moving rod (32) is provided with a clamping protrusion (34), and a clamping groove (35) clamped with the clamping protrusion (34) is formed in the inner wall, facing the clamping protrusion (34), of the groove (29).

5. The thoraco-pulmonary puncture needle fixing device according to claim 1, wherein a steering wheel (36) arranged around the sliding rod (7) is arranged at one end of the sliding rod (7) close to the fixed ring block (26), an arc-shaped through hole (37) which penetrates through the thickness direction of the steering wheel (36) and is arc-shaped is formed in the steering wheel (36), the arc center of the arc-shaped through hole (37) coincides with the central axis of the sliding rod (7), a guide rod (38) which penetrates through the arc-shaped through hole (37) is arranged on one surface of the fixed ring block (26) facing the sliding rod (7), a vertically arranged guide plate (39) which is made of transparent material is arranged at the bottom of the part of the guide rod (38) which penetrates through the arc-shaped through hole (37), and a scale mark (40) is arranged at the edge of the surface of the arc-shaped through hole (37) which is far away from the fixed ring block (26) and close to the sliding rod (7).