CN215839344U

CN215839344U - Non-contact handheld ultrasonic knife

Info

Publication number: CN215839344U
Application number: CN202122006803.6U
Authority: CN
Inventors: 叶惟靖; 邓侃如
Original assignee: Jilin Zhongjuchao Medical Technology Co ltd
Current assignee: Jilin Zhongjuchao Medical Technology Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-02-18
Anticipated expiration: 2031-08-24

Abstract

The application relates to a non-contact handheld ultrasonic knife, which comprises a shell, a water bag, a lifting mechanism, an ultrasonic probe and an ultrasonic transducer, wherein an opening is formed in one end of the shell, the opening of the water bag is arranged on the shell, a closed cavity is formed between the opening of the water bag and the shell, the ultrasonic probe and the ultrasonic transducer are arranged in the cavity enclosed by the shell and the water bag and are close to the water bag, and the lifting mechanism is arranged in the shell and is connected with the ultrasonic probe and the ultrasonic transducer and used for driving the ultrasonic probe and the ultrasonic transducer to move. The ultrasonic scalpel has the effects of improving the operation convenience of the ultrasonic scalpel and having no wound in the operation.

Description

Non-contact handheld ultrasonic knife

Technical Field

The present application relates to the field of medical equipment, and more particularly, to a non-contact hand-held ultrasonic blade.

Background

An ultrasonic scalpel is a high-frequency electrosurgical device and is mainly used for operations such as cutting biological tissues, closing blood vessels and the like. However, the existing ultrasonic scalpel is basically in a contact type, namely, the scalpel body can be contacted with tissues in a human body, and the ultrasonic scalpel belongs to the category of invasive and minimally invasive retraction operations.

The high-intensity focused ultrasound technology is a technology that can increase the temperature of a target region by focusing ultrasonic waves, and is also applied to the medical field, and can heat up a diseased tissue to denature cellular proteins in the diseased tissue, thereby achieving the purpose of ablating the diseased tissue.

Therefore, there is a need to develop a non-contact handheld ultrasonic knife which can be based on high-intensity focused ultrasound technology and can be applied to non-invasive surgery.

SUMMERY OF THE UTILITY MODEL

In order to improve the operational convenience of the ultrasonic blade, the present application provides a contactless hand-held ultrasonic blade.

The application provides a non-contact hand-held type supersound sword adopts following technical scheme:

a non-contact handheld ultrasonic knife comprises a shell, a water bag, a lifting mechanism, an ultrasonic probe and an ultrasonic transducer, wherein an opening is formed in one end of the shell, the water bag is covered on the opening of the shell to form a closed cavity with the shell, the ultrasonic probe and the ultrasonic transducer are arranged in the cavity enclosed by the shell and the water bag and are close to the water bag, and the lifting mechanism is arranged in the shell and is connected with the ultrasonic probe and the ultrasonic transducer and used for driving the ultrasonic probe and the ultrasonic transducer to move.

By adopting the technical scheme, the ultrasonic probe is arranged in the high-intensity focused ultrasound system, so that the high-intensity focused ultrasound system can have an ultrasonic-guided guiding mode, and can acquire an ultrasonic-guided real-time image in a non-invasive ablation operation, thereby facilitating the non-invasive ablation operation and improving the imaging real-time performance of the high-intensity focused ultrasound system. When the non-contact handheld ultrasonic scalpel is used for non-invasive surgery, a doctor can paint a couplant on the skin of a patient and hold the non-contact handheld ultrasonic scalpel by hand, and after the non-contact handheld ultrasonic scalpel is opened, an ultrasonic transducer in the non-contact handheld ultrasonic scalpel can emit high-intensity focused ultrasonic waves to ablate lesion tissues. In the whole process, a doctor only needs to hold and move the non-contact handheld ultrasonic knife to complete the tissue ablation, and the convenience of operation is improved.

Preferably, a partition board is arranged in the shell, and divides one end of the shell, which is far away from the water bag, into a water-free area and divides one end of the shell, which is close to the water bag, into a water-containing area.

Through adopting above-mentioned technical scheme, the anhydrous district that the baffle was separated keeps apart the water of water pocket, avoids partly to meet water with the electric element in the casing and damages.

Preferably, the water bag includes water bag body and clamping ring, the clamping ring is followed the water bag edge sets up, the clamping ring can be dismantled and connect in casing opening part.

Through adopting above-mentioned technical scheme, the detachable of clamping ring and casing is connected, makes the water pocket removable.

Preferably, elevating system includes first motor, first backup pad, first lead screw and first carriage release lever, first backup pad is located in the anhydrous district, first backup pad sets up and one end is connected with the baffle along the direction of casing to water pocket, the one end that the baffle was kept away from to first backup pad is located to first motor, the output shaft and the first lead screw coaxial coupling of first motor, first lead screw is parallel with first backup pad, the tip bending type that the water pocket was kept away from to first carriage release lever becomes and the first connecting portion of first lead screw thread fit, be equipped with first slider on the first connecting portion, first backup pad side is seted up along length direction with first slider sliding fit's first spout, the tip that first carriage release lever is close to the water pocket runs through the baffle and is connected ultrasonic probe.

Through adopting above-mentioned technical scheme, first motor drive first lead screw is rotatory, because first spout is spacing to first slider, makes the first connecting portion that first slider is connected remove along first lead screw length direction to order about the first carriage release lever that first connecting portion connect and remove, thereby drive ultrasonic probe and remove.

Preferably, the ultrasonic transducer is fixedly connected to one end of the movable rod close to the ultrasonic probe.

By adopting the technical scheme, the ultrasonic probe and the ultrasonic transducer move synchronously under the driving of the first moving rod, so that the beam-bunching distance of the ultrasonic transducer is unchanged, and the beam-bunching position moves in the length direction of the first moving rod.

Preferably, the ultrasonic transducer is slidably connected to one end of the moving rod close to the ultrasonic probe, the lifting mechanism also comprises a second motor, a second supporting plate, a second lead screw and a second moving rod, the second supporting plate is arranged in the waterless area, the second supporting plate is arranged along the direction from the shell to the water bag, one end of the second supporting plate is connected with the clapboard, the second motor is arranged at one end of the second support plate far away from the partition plate, an output shaft of the second motor is coaxially connected with the second lead screw, the second screw rod is parallel to the second support plate, the end part of the second movable rod far away from the water sac is bent to form a second connecting part in threaded fit with the second screw rod, the second connecting portion is provided with a second sliding block, the side face of the second supporting plate is provided with a second sliding groove in sliding fit with the second sliding block along the length direction, and the end portion, close to the water sac, of the second moving rod penetrates through the partition plate and is connected with the ultrasonic transducer.

Through adopting above-mentioned technical scheme, the second motor drives the second lead screw and rotates, because the second slider of second connecting portion receives the spacing of second spout, consequently the second connecting portion remove along second lead screw length direction, drive the second carriage release lever that the second connecting portion connect and remove to make the ultrasonic transducer that the second connecting rod is connected slide on the head rod. The distance between the ultrasonic transducer and the ultrasonic probe is adjustable, so that the beam-bunching distance of the ultrasonic transducer to ultrasonic waves is adjusted.

Preferably, a connecting ring is arranged on the inner side wall of the shell close to the opening, a screw hole is formed in one side, facing the opening, of the connecting ring, a through hole aligned with the screw hole is formed in the partition plate, and a bolt penetrates through the through hole and is in threaded connection with the screw hole.

By adopting the technical scheme, when in assembly, the lifting structure, the ultrasonic probe and the ultrasonic transducer are assembled on the partition plate, and then the partition plate is connected with the connecting ring through the bolt, so that the assembly is simple and convenient.

Preferably, a first sealing ring is arranged on the partition plate, and the first moving rod penetrates through the first sealing ring and is in sliding fit with the first sealing ring.

Through adopting above-mentioned technical scheme, the hole laminating that supplies first carriage release lever to pass on the outer wall of first sealing washer and the baffle, the inner wall of first sealing washer and the outer wall laminating of first carriage release lever prevent that the water of cyst from getting into anhydrous district from the gap between baffle and the first carriage release lever.

Preferably, a second sealing ring is arranged on the partition plate, and the second moving rod penetrates through the second sealing ring and is in sliding fit with the second sealing ring.

Through adopting above-mentioned technical scheme, the hole laminating that supplies the second carriage release lever to pass on the outer wall of second sealing washer and the baffle, the inner wall of second sealing washer and the outer wall laminating of second carriage release lever prevent that the water in the water pocket from getting into anhydrous district from the gap between baffle and the second carriage release lever.

Preferably, a stop lever is arranged on the outer side of one end of the shell, which is far away from the water bag.

By adopting the technical scheme, when the shell is held by a hand, the blocking rod is put on the tiger mouth of the hand, so that the stability of the non-contact handheld ultrasonic knife on the hand is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the ultrasonic probe is arranged in the high-intensity focused ultrasound system, so that the high-intensity focused ultrasound system can have an ultrasonic-guided guiding mode, and can acquire an ultrasonic-guided real-time image in a non-invasive ablation operation, thereby facilitating the non-invasive ablation operation and improving the imaging real-time performance of the high-intensity focused ultrasound system.

2. When the non-contact handheld ultrasonic scalpel is used for non-invasive surgery, a doctor can paint a couplant on the skin of a patient and hold the non-contact handheld ultrasonic scalpel by hand, and after the non-contact handheld ultrasonic scalpel is opened, an ultrasonic transducer in the non-contact handheld ultrasonic scalpel can emit high-intensity focused ultrasonic waves to ablate lesion tissues.

3. In the whole process, a doctor only needs to hold and move the non-contact handheld ultrasonic knife to complete the tissue ablation, and the convenience of operation is improved.

4. In the whole process, a wound does not need to be cut on the skin of a patient by using a surgical knife, and scars after the hands of the patient are not left on the skin of the patient.

Drawings

FIG. 1 is a schematic view of the overall structure of a non-contact hand-held ultrasonic blade according to embodiment 1 of the present application;

FIG. 2 is a cross-sectional view of a non-contact hand-held ultrasonic blade according to embodiment 1 of the present application;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is an enlarged view of portion B of FIG. 2;

FIG. 5 is a schematic view of the overall structure of a non-contact hand-held ultrasonic blade according to embodiment 2 of the present application;

FIG. 6 is a cross-sectional view of a non-contact hand-held ultrasonic blade of embodiment 3 of the present application;

fig. 7 is an enlarged view of a portion C in fig. 6.

Description of reference numerals: 1. a housing; 101. an opening; 2. a water bladder; 201. a water bag body; 202. a connecting ring; 3. an ultrasonic probe; 4. an ultrasonic transducer; 5. a partition plate; 6. a water-free zone; 7. a water-containing zone; 8. a first motor; 9. a first support plate; 10. a first lead screw; 11. a first movable bar; 12. a first connection portion; 13. a first slider; 14. a first chute; 15. a second motor; 16. a second support plate; 17. a second lead screw; 18. a second movable bar; 19. a second connecting portion; 20. a second slider; 21. a second chute; 22. a connecting ring; 23. a screw hole; 24. a through hole; 25. a bolt; 26. a first seal ring; 27. a second seal ring; 28. a stop lever; 29. a first lead screw nut; 30. a second lead screw nut; 31. a button.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

Example 1

The embodiment of the application discloses contactless hand-held type supersound sword. Referring to fig. 1, the non-contact hand-held ultrasonic scalpel comprises a shell 1 and a water bag 2, wherein the outer surface of the shell 1 is in a cylindrical shape with the middle part being radially inwards recessed, and the diameter of the upper end of the shell 1 is smaller than that of the lower end. The upper end of the shell 1 is closed, the lower end is provided with an opening 101, and the outer side wall of the opening 101 of the shell 1 is matched with the water bag 2. The water bag 2 comprises a water bag body 201 and a connecting ring 202, wherein the water bag body 201 is in a hollow spherical segment shape, and the connecting ring 202 is integrally formed on the circumferential edge of the water bag body 201. In this application embodiment, the internal thread has been seted up to the inside wall circumference of clamping ring 202, has seted up the external screw thread in casing 1 near the outside wall circumference of opening 101 department, and clamping ring 202 and casing 1 opening 101 department screw-thread fit realize sealedly to form confined cavity with casing 1 and water bag 2.

Referring to fig. 2, a ring-shaped connection ring 22 is integrally formed on the inner side wall of one end of the shell 1 close to the water bag 2 in the circumferential direction, one surface of the connection ring 22 close to the water bag 2 is connected with a partition plate 5, the cross section of the partition plate 5 is circular, and the partition plate 5 covers the hole of the connection ring 22 so as to divide a chamber formed by the shell 1 and the water bag 2 into a water-free area 6 and a water-containing area 7, wherein the water-free area 6 is located on one side of the partition plate 5 departing from the water bag 2, and the water-containing area 7 is located on one side of the water bag 2 close to the partition plate 5. In the embodiment of the application, a threaded hole is formed in one side of the connection ring 22 close to the water bag 2, a through hole 24 aligned with the threaded hole is formed in the edge of the partition plate 5 close to the edge, when the partition plate 5 is fixed to the connection ring 22, a screw of the bolt 25 penetrates through the through hole 24 to be in threaded connection with the threaded hole, and the head of the bolt 25 abuts against one surface of the partition plate 5 far away from the connection ring 22.

Referring to fig. 2 and 3, a lifting mechanism is connected to the partition plate 5, wherein the lifting mechanism includes a first motor 8, a first support plate 9, a first lead screw 10 and a first moving rod 11. The first supporting plate 9 is vertically connected to one surface of the partition board 5 in the anhydrous region 6, and the connection mode between the first supporting plate 9 and the partition board 5 can be integrated, or can be glued, fastened by bolts 25, and the like. First spout 14 has been seted up along length direction to the side of first backup pad 9, and first motor 8 is fixed in the top of first backup pad 9, can fix through the mode of bolt 25 fastening between first motor 8 and the first backup pad 9. The output shaft of the first motor 8 is perpendicular to the partition board 5 towards the direction of the partition board 5, the first lead screw 10 is coaxially welded at the end part of the output shaft, and the upper end of the first movable rod 11 is bent by 90 degrees to form a first connecting part 12. In one embodiment, the first connection portion 12 may be configured to directly threadedly engage the first lead screw 10. In another embodiment, the first lead screw 10 nut may be interference-fitted to the first connecting portion 12, and the first lead screw 10 nut may be screwed to the first lead screw 10. The first connecting portion 12 is integrally formed with a first slider 13, and the first slider 13 is slidably fitted in the sliding groove, so that when the first lead screw 10 rotates, the first sliding groove 14 restricts the rotation of the first moving rod 11 having the first slider 13, and drives the first moving rod 11 to move along the length direction of the first lead screw 10. The main portion of the first moving rod 11 is parallel to the first supporting plate 9, and the lower end of the first moving rod 11 penetrates the partition 5 into the water-existing region 7. The end part of the first moving rod 11, which is positioned in the water area 7, is welded with the ultrasonic probe 3, and in the water area 7, the position of the first moving rod 11, which is close to the ultrasonic probe 3, is welded with the ultrasonic transducer 4.

Referring to fig. 4, in order to improve the sealing performance between the first moving rod 11 and the partition plate 5, a first sealing ring 26 is assembled on a hole of the partition plate 5 through which the first moving rod 11 passes, an outer side wall of the first sealing ring 26 is bonded to a hole wall, an inner side wall of the first sealing ring 26 is tightly attached to the first moving rod 11, and the first moving rod 11 and the first sealing ring 26 can slide relatively.

Referring to fig. 1 and 2, the side wall of the housing 1 is provided with 3

buttons

31, 3 buttons are respectively used for controlling the on-off of the current of the contactless handheld ultrasonic blade, the ascending of the ultrasonic probe 3 and the descending of the ultrasonic probe 3. Since the ultrasonic probe 3 and the ultrasonic transducer 4 are both fixed to the first moving rod 11, when the first moving rod 11 is lifted, the ultrasonic probe 3 and the ultrasonic transducer 4 are lifted synchronously.

The implementation principle of the non-contact handheld ultrasonic knife in the embodiment of the application is as follows: when the non-contact handheld ultrasonic scalpel is used for non-invasive surgery, a doctor can paint a couplant on the skin of a patient and hold the non-contact handheld ultrasonic scalpel by hand, and after the non-contact handheld ultrasonic scalpel is opened, an ultrasonic transducer 4 in the non-contact handheld ultrasonic scalpel can emit high-intensity focused ultrasonic waves to melt lesion tissues. The distance between the ultrasonic probe 3 and the ultrasonic transducer 4 and the target tissue can be adjusted by pressing the button 31 on the side wall of the shell 1, so that the imaging position of the ultrasonic probe 3 and the beam bunching position of the ultrasonic transducer 4 are adjusted. The operation is simple and convenient, and the wound does not need to be cut on the skin of a patient by using an operation knife, so that the postoperative scar is not caused.

Example 2

Referring to fig. 5, the present embodiment is different from embodiment 1 in that a stop lever 28 is integrally formed on an upper end outer side wall of the housing 1, and an end portion of the stop lever 28 is bent downward. When an operator holds the shell 1, the stop lever 28 is put on the tiger mouth of the hand of the operator, so that the stability of the hand of the operator when holding the shell 1 can be improved.

Example 3

Referring to fig. 6 and 7, the present embodiment is different from embodiment 1 in that the ultrasonic transducer 4 is slidably engaged with the first movable rod 11, and the ultrasonic transducer 4 is provided with a hole slidably engaged with the first movable rod 11. The lifting mechanism further comprises a second motor 15, a second support plate 16, a second screw 17 and a second moving rod 18, the second support plate 16 is vertically connected to one surface of the partition plate 5, which is located in the waterless area 6, and the connection mode between the second support plate 16 and the partition plate 5 can be integrated, or can be glued, fastened by bolts 25 and the like. The side of the second support plate 16 is provided with a second sliding groove 21 along the length direction, the second motor 15 is fixed on the top of the second support plate 16, and the second motor 15 and the second support plate 16 can be fixed in a fastening mode through a bolt 25. An output shaft of the second motor 15 is perpendicular to the partition plate 5 in the direction of the partition plate 5, a second lead screw 17 is coaxially welded to the end of the output shaft of the second motor 15, and the upper end of a second movable rod 18 is bent by 90 degrees to form a second connecting part 19. In one embodiment, the second connecting portion 19 may be configured to directly threadedly engage the second lead screw 17. In another embodiment, the second lead screw 17 nut may be press-fitted to the second connection portion 19, and the second lead screw 17 nut may be screwed to the second lead screw 17. The second connecting portion 19 is integrally formed with a second slider 20, and the second slider 20 is slidably fitted in the sliding groove, so that when the second lead screw 17 rotates, the second sliding groove 21 restricts the second moving rod 18 having the second slider 20 from rotating, and drives the second moving rod 18 to move along the length direction of the second lead screw 17. The main portion of the second moving bar 18 is parallel to the second support plate 16, and the lower end of the second moving bar 18 penetrates the partition 5 into the water-existing region 7. The end of the second moving rod 18 located in the water-containing zone 7 is welded to the ultrasonic transducer 4.

Referring to fig. 6, in order to improve the sealing between the second moving rod 18 and the partition 5, a second sealing ring 27 is provided on a hole of the partition 5 through which the second moving rod 18 passes.

The non-contact hand-held ultrasonic knife enables the ultrasonic probe 3 and the ultrasonic transducer 4 to be respectively and independently adjusted in a lifting way.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A non-contact hand-held ultrasonic blade, characterized by: the ultrasonic probe comprises a shell (1), a water bag (2), a lifting mechanism, an ultrasonic probe (3) and an ultrasonic transducer (4), wherein an opening (101) is formed in one end of the shell (1), the water bag (2) is arranged at the position of the opening (101) of the shell (1) in a covering mode to form a closed cavity with the shell (1), the ultrasonic probe (3) and the ultrasonic transducer (4) are arranged in the cavity surrounded by the shell (1) and the water bag (2) and are close to the water bag (2), and the lifting mechanism is arranged in the shell (1) and is connected with the ultrasonic probe (3) and the ultrasonic transducer (4) and used for driving the ultrasonic probe (3) and the ultrasonic transducer (4) to move.

2. The non-contact handheld ultrasonic blade of claim 1, wherein: be equipped with baffle (5) in casing (1), baffle (5) are separated for anhydrous district (6) with casing (1) one end of keeping away from water pocket (2), are close to casing (1) and are separated for there being water district (7) with the one end of water pocket (2).

3. The non-contact handheld ultrasonic blade of claim 2, wherein: the water bag (2) comprises a water bag body (201) and a connecting ring (202), the connecting ring (202) is arranged along the edge of the water bag (2), and the connecting ring (202) is detachably connected to the opening (101) of the shell (1).

4. The non-contact handheld ultrasonic blade of claim 2, wherein: the lifting mechanism comprises a first motor (8), a first supporting plate (9), a first lead screw (10) and a first moving rod (11), the first supporting plate (9) is arranged in the anhydrous region (6), the first supporting plate (9) is arranged along the direction from the shell (1) to the water sac (2) and one end of the first supporting plate is connected with the partition plate (5), the first motor (8) is arranged at one end of the first supporting plate (9) far away from the partition plate (5), the output shaft of the first motor (8) is coaxially connected with the first lead screw (10), the first lead screw (10) is parallel to the first supporting plate (9), the end part of the first moving rod (11) far away from the water sac (2) is bent to form a first connecting part (12) in threaded fit with the first lead screw (10), a first sliding block (13) is arranged on the first connecting part (12), and a first sliding chute (14) in sliding fit with the first sliding block (13) is arranged on the side surface of the first supporting plate (9) along the length direction, the end part of the first moving rod (11) close to the water sac (2) penetrates through the partition plate (5) to be connected with the ultrasonic probe (3).

5. The non-contact handheld ultrasonic blade of claim 4, wherein: the ultrasonic transducer (4) is fixedly connected to one end of the moving rod, which is close to the ultrasonic probe (3).

6. The non-contact handheld ultrasonic blade of claim 4, wherein: the ultrasonic transducer (4) is connected with one end, close to the ultrasonic probe (3), of the moving rod in a sliding manner, the lifting mechanism further comprises a second motor (15), a second supporting plate (16), a second lead screw (17) and a second moving rod (18), the second supporting plate (16) is arranged in the water-free area (6), the second supporting plate (16) is arranged along the direction from the shell (1) to the water sac (2) and one end of the second supporting plate is connected with the partition plate (5), the second motor (15) is arranged at one end, far away from the partition plate (5), of the second supporting plate (16), an output shaft of the second motor (15) is coaxially connected with the second lead screw (17), the second lead screw (17) is parallel to the second supporting plate (16), and the end, far away from the water sac (2), of the second moving rod (18) is bent to form a second connecting part (19) in threaded fit with the second lead screw (17), the second connecting portion (19) is provided with a second sliding block (20), the side surface of the second supporting plate (16) is provided with a second sliding groove (21) in sliding fit with the second sliding block (20) along the length direction, and the end portion, close to the water bag (2), of the second moving rod (18) penetrates through the partition plate (5) to be connected with the ultrasonic transducer (4).

7. The non-contact handheld ultrasonic blade of claim 2, wherein: casing (1) inside wall is close to opening (101) department and is equipped with connecting ring (22), screw (23) have been seted up towards the one side of opening (101) in connecting ring (22), seted up on baffle (5) with through-hole (24) that screw (23) align, bolt (25) pass through-hole (24) with screw (23) threaded connection.

8. The non-contact handheld ultrasonic blade of claim 4, wherein: be equipped with first sealing washer (26) on baffle (5), first movable rod (11) pass first sealing washer (26) and with first sealing washer (26) sliding fit.

9. The non-contact, hand-held ultrasonic blade of claim 6, wherein: and a second sealing ring (27) is arranged on the partition plate (5), and the second moving rod (18) penetrates through the second sealing ring (27) and is in sliding fit with the second sealing ring (27).

10. The non-contact handheld ultrasonic blade of claim 2, wherein: and a stop lever (28) is arranged on the outer side of one end of the shell (1) far away from the water bag (2).